survey_seahorse

Chart.js (402654B)

---

 /*!
  * Chart.js
  * http://chartjs.org/
  * Version: 2.7.3
  *
  * Copyright 2018 Chart.js Contributors
  * Released under the MIT license
  * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md
  */
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
 
 },{}],2:[function(require,module,exports){
 /* MIT license */
 var colorNames = require(6);
 
 module.exports = {
    getRgba: getRgba,
    getHsla: getHsla,
    getRgb: getRgb,
    getHsl: getHsl,
    getHwb: getHwb,
    getAlpha: getAlpha,
 
    hexString: hexString,
    rgbString: rgbString,
    rgbaString: rgbaString,
    percentString: percentString,
    percentaString: percentaString,
    hslString: hslString,
    hslaString: hslaString,
    hwbString: hwbString,
    keyword: keyword
 }
 
 function getRgba(string) {
    if (!string) {
       return;
    }
    var abbr =  /^#([a-fA-F0-9]{3})$/i,
        hex =  /^#([a-fA-F0-9]{6})$/i,
        rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
        per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
        keyword = /(\w+)/;
 
    var rgb = [0, 0, 0],
        a = 1,
        match = string.match(abbr);
    if (match) {
       match = match[1];
       for (var i = 0; i < rgb.length; i++) {
          rgb[i] = parseInt(match[i] + match[i], 16);
       }
    }
    else if (match = string.match(hex)) {
       match = match[1];
       for (var i = 0; i < rgb.length; i++) {
          rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
       }
    }
    else if (match = string.match(rgba)) {
       for (var i = 0; i < rgb.length; i++) {
          rgb[i] = parseInt(match[i + 1]);
       }
       a = parseFloat(match[4]);
    }
    else if (match = string.match(per)) {
       for (var i = 0; i < rgb.length; i++) {
          rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
       }
       a = parseFloat(match[4]);
    }
    else if (match = string.match(keyword)) {
       if (match[1] == "transparent") {
          return [0, 0, 0, 0];
       }
       rgb = colorNames[match[1]];
       if (!rgb) {
          return;
       }
    }
 
    for (var i = 0; i < rgb.length; i++) {
       rgb[i] = scale(rgb[i], 0, 255);
    }
    if (!a && a != 0) {
       a = 1;
    }
    else {
       a = scale(a, 0, 1);
    }
    rgb[3] = a;
    return rgb;
 }
 
 function getHsla(string) {
    if (!string) {
       return;
    }
    var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
    var match = string.match(hsl);
    if (match) {
       var alpha = parseFloat(match[4]);
       var h = scale(parseInt(match[1]), 0, 360),
           s = scale(parseFloat(match[2]), 0, 100),
           l = scale(parseFloat(match[3]), 0, 100),
           a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
       return [h, s, l, a];
    }
 }
 
 function getHwb(string) {
    if (!string) {
       return;
    }
    var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
    var match = string.match(hwb);
    if (match) {
     var alpha = parseFloat(match[4]);
       var h = scale(parseInt(match[1]), 0, 360),
           w = scale(parseFloat(match[2]), 0, 100),
           b = scale(parseFloat(match[3]), 0, 100),
           a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
       return [h, w, b, a];
    }
 }
 
 function getRgb(string) {
    var rgba = getRgba(string);
    return rgba && rgba.slice(0, 3);
 }
 
 function getHsl(string) {
   var hsla = getHsla(string);
   return hsla && hsla.slice(0, 3);
 }
 
 function getAlpha(string) {
    var vals = getRgba(string);
    if (vals) {
       return vals[3];
    }
    else if (vals = getHsla(string)) {
       return vals[3];
    }
    else if (vals = getHwb(string)) {
       return vals[3];
    }
 }
 
 // generators
 function hexString(rgb) {
    return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1])
               + hexDouble(rgb[2]);
 }
 
 function rgbString(rgba, alpha) {
    if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
       return rgbaString(rgba, alpha);
    }
    return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
 }
 
 function rgbaString(rgba, alpha) {
    if (alpha === undefined) {
       alpha = (rgba[3] !== undefined ? rgba[3] : 1);
    }
    return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
            + ", " + alpha + ")";
 }
 
 function percentString(rgba, alpha) {
    if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
       return percentaString(rgba, alpha);
    }
    var r = Math.round(rgba[0]/255 * 100),
        g = Math.round(rgba[1]/255 * 100),
        b = Math.round(rgba[2]/255 * 100);
 
    return "rgb(" + r + "%, " + g + "%, " + b + "%)";
 }
 
 function percentaString(rgba, alpha) {
    var r = Math.round(rgba[0]/255 * 100),
        g = Math.round(rgba[1]/255 * 100),
        b = Math.round(rgba[2]/255 * 100);
    return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
 }
 
 function hslString(hsla, alpha) {
    if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
       return hslaString(hsla, alpha);
    }
    return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
 }
 
 function hslaString(hsla, alpha) {
    if (alpha === undefined) {
       alpha = (hsla[3] !== undefined ? hsla[3] : 1);
    }
    return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
            + alpha + ")";
 }
 
 // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
 // (hwb have alpha optional & 1 is default value)
 function hwbString(hwb, alpha) {
    if (alpha === undefined) {
       alpha = (hwb[3] !== undefined ? hwb[3] : 1);
    }
    return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
            + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
 }
 
 function keyword(rgb) {
   return reverseNames[rgb.slice(0, 3)];
 }
 
 // helpers
 function scale(num, min, max) {
    return Math.min(Math.max(min, num), max);
 }
 
 function hexDouble(num) {
   var str = num.toString(16).toUpperCase();
   return (str.length < 2) ? "0" + str : str;
 }
 
 
 //create a list of reverse color names
 var reverseNames = {};
 for (var name in colorNames) {
    reverseNames[colorNames[name]] = name;
 }
 
 },{"6":6}],3:[function(require,module,exports){
 /* MIT license */
 var convert = require(5);
 var string = require(2);
 
 var Color = function (obj) {
 	if (obj instanceof Color) {
 		return obj;
 	}
 	if (!(this instanceof Color)) {
 		return new Color(obj);
 	}
 
 	this.valid = false;
 	this.values = {
 		rgb: [0, 0, 0],
 		hsl: [0, 0, 0],
 		hsv: [0, 0, 0],
 		hwb: [0, 0, 0],
 		cmyk: [0, 0, 0, 0],
 		alpha: 1
 	};
 
 	// parse Color() argument
 	var vals;
 	if (typeof obj === 'string') {
 		vals = string.getRgba(obj);
 		if (vals) {
 			this.setValues('rgb', vals);
 		} else if (vals = string.getHsla(obj)) {
 			this.setValues('hsl', vals);
 		} else if (vals = string.getHwb(obj)) {
 			this.setValues('hwb', vals);
 		}
 	} else if (typeof obj === 'object') {
 		vals = obj;
 		if (vals.r !== undefined || vals.red !== undefined) {
 			this.setValues('rgb', vals);
 		} else if (vals.l !== undefined || vals.lightness !== undefined) {
 			this.setValues('hsl', vals);
 		} else if (vals.v !== undefined || vals.value !== undefined) {
 			this.setValues('hsv', vals);
 		} else if (vals.w !== undefined || vals.whiteness !== undefined) {
 			this.setValues('hwb', vals);
 		} else if (vals.c !== undefined || vals.cyan !== undefined) {
 			this.setValues('cmyk', vals);
 		}
 	}
 };
 
 Color.prototype = {
 	isValid: function () {
 		return this.valid;
 	},
 	rgb: function () {
 		return this.setSpace('rgb', arguments);
 	},
 	hsl: function () {
 		return this.setSpace('hsl', arguments);
 	},
 	hsv: function () {
 		return this.setSpace('hsv', arguments);
 	},
 	hwb: function () {
 		return this.setSpace('hwb', arguments);
 	},
 	cmyk: function () {
 		return this.setSpace('cmyk', arguments);
 	},
 
 	rgbArray: function () {
 		return this.values.rgb;
 	},
 	hslArray: function () {
 		return this.values.hsl;
 	},
 	hsvArray: function () {
 		return this.values.hsv;
 	},
 	hwbArray: function () {
 		var values = this.values;
 		if (values.alpha !== 1) {
 			return values.hwb.concat([values.alpha]);
 		}
 		return values.hwb;
 	},
 	cmykArray: function () {
 		return this.values.cmyk;
 	},
 	rgbaArray: function () {
 		var values = this.values;
 		return values.rgb.concat([values.alpha]);
 	},
 	hslaArray: function () {
 		var values = this.values;
 		return values.hsl.concat([values.alpha]);
 	},
 	alpha: function (val) {
 		if (val === undefined) {
 			return this.values.alpha;
 		}
 		this.setValues('alpha', val);
 		return this;
 	},
 
 	red: function (val) {
 		return this.setChannel('rgb', 0, val);
 	},
 	green: function (val) {
 		return this.setChannel('rgb', 1, val);
 	},
 	blue: function (val) {
 		return this.setChannel('rgb', 2, val);
 	},
 	hue: function (val) {
 		if (val) {
 			val %= 360;
 			val = val < 0 ? 360 + val : val;
 		}
 		return this.setChannel('hsl', 0, val);
 	},
 	saturation: function (val) {
 		return this.setChannel('hsl', 1, val);
 	},
 	lightness: function (val) {
 		return this.setChannel('hsl', 2, val);
 	},
 	saturationv: function (val) {
 		return this.setChannel('hsv', 1, val);
 	},
 	whiteness: function (val) {
 		return this.setChannel('hwb', 1, val);
 	},
 	blackness: function (val) {
 		return this.setChannel('hwb', 2, val);
 	},
 	value: function (val) {
 		return this.setChannel('hsv', 2, val);
 	},
 	cyan: function (val) {
 		return this.setChannel('cmyk', 0, val);
 	},
 	magenta: function (val) {
 		return this.setChannel('cmyk', 1, val);
 	},
 	yellow: function (val) {
 		return this.setChannel('cmyk', 2, val);
 	},
 	black: function (val) {
 		return this.setChannel('cmyk', 3, val);
 	},
 
 	hexString: function () {
 		return string.hexString(this.values.rgb);
 	},
 	rgbString: function () {
 		return string.rgbString(this.values.rgb, this.values.alpha);
 	},
 	rgbaString: function () {
 		return string.rgbaString(this.values.rgb, this.values.alpha);
 	},
 	percentString: function () {
 		return string.percentString(this.values.rgb, this.values.alpha);
 	},
 	hslString: function () {
 		return string.hslString(this.values.hsl, this.values.alpha);
 	},
 	hslaString: function () {
 		return string.hslaString(this.values.hsl, this.values.alpha);
 	},
 	hwbString: function () {
 		return string.hwbString(this.values.hwb, this.values.alpha);
 	},
 	keyword: function () {
 		return string.keyword(this.values.rgb, this.values.alpha);
 	},
 
 	rgbNumber: function () {
 		var rgb = this.values.rgb;
 		return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
 	},
 
 	luminosity: function () {
 		// http://www.w3.org/TR/WCAG20/#relativeluminancedef
 		var rgb = this.values.rgb;
 		var lum = [];
 		for (var i = 0; i < rgb.length; i++) {
 			var chan = rgb[i] / 255;
 			lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4);
 		}
 		return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2];
 	},
 
 	contrast: function (color2) {
 		// http://www.w3.org/TR/WCAG20/#contrast-ratiodef
 		var lum1 = this.luminosity();
 		var lum2 = color2.luminosity();
 		if (lum1 > lum2) {
 			return (lum1 + 0.05) / (lum2 + 0.05);
 		}
 		return (lum2 + 0.05) / (lum1 + 0.05);
 	},
 
 	level: function (color2) {
 		var contrastRatio = this.contrast(color2);
 		if (contrastRatio >= 7.1) {
 			return 'AAA';
 		}
 
 		return (contrastRatio >= 4.5) ? 'AA' : '';
 	},
 
 	dark: function () {
 		// YIQ equation from http://24ways.org/2010/calculating-color-contrast
 		var rgb = this.values.rgb;
 		var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000;
 		return yiq < 128;
 	},
 
 	light: function () {
 		return !this.dark();
 	},
 
 	negate: function () {
 		var rgb = [];
 		for (var i = 0; i < 3; i++) {
 			rgb[i] = 255 - this.values.rgb[i];
 		}
 		this.setValues('rgb', rgb);
 		return this;
 	},
 
 	lighten: function (ratio) {
 		var hsl = this.values.hsl;
 		hsl[2] += hsl[2] * ratio;
 		this.setValues('hsl', hsl);
 		return this;
 	},
 
 	darken: function (ratio) {
 		var hsl = this.values.hsl;
 		hsl[2] -= hsl[2] * ratio;
 		this.setValues('hsl', hsl);
 		return this;
 	},
 
 	saturate: function (ratio) {
 		var hsl = this.values.hsl;
 		hsl[1] += hsl[1] * ratio;
 		this.setValues('hsl', hsl);
 		return this;
 	},
 
 	desaturate: function (ratio) {
 		var hsl = this.values.hsl;
 		hsl[1] -= hsl[1] * ratio;
 		this.setValues('hsl', hsl);
 		return this;
 	},
 
 	whiten: function (ratio) {
 		var hwb = this.values.hwb;
 		hwb[1] += hwb[1] * ratio;
 		this.setValues('hwb', hwb);
 		return this;
 	},
 
 	blacken: function (ratio) {
 		var hwb = this.values.hwb;
 		hwb[2] += hwb[2] * ratio;
 		this.setValues('hwb', hwb);
 		return this;
 	},
 
 	greyscale: function () {
 		var rgb = this.values.rgb;
 		// http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
 		var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11;
 		this.setValues('rgb', [val, val, val]);
 		return this;
 	},
 
 	clearer: function (ratio) {
 		var alpha = this.values.alpha;
 		this.setValues('alpha', alpha - (alpha * ratio));
 		return this;
 	},
 
 	opaquer: function (ratio) {
 		var alpha = this.values.alpha;
 		this.setValues('alpha', alpha + (alpha * ratio));
 		return this;
 	},
 
 	rotate: function (degrees) {
 		var hsl = this.values.hsl;
 		var hue = (hsl[0] + degrees) % 360;
 		hsl[0] = hue < 0 ? 360 + hue : hue;
 		this.setValues('hsl', hsl);
 		return this;
 	},
 
 	/**
 	 * Ported from sass implementation in C
 	 * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209
 	 */
 	mix: function (mixinColor, weight) {
 		var color1 = this;
 		var color2 = mixinColor;
 		var p = weight === undefined ? 0.5 : weight;
 
 		var w = 2 * p - 1;
 		var a = color1.alpha() - color2.alpha();
 
 		var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0;
 		var w2 = 1 - w1;
 
 		return this
 			.rgb(
 				w1 * color1.red() + w2 * color2.red(),
 				w1 * color1.green() + w2 * color2.green(),
 				w1 * color1.blue() + w2 * color2.blue()
 			)
 			.alpha(color1.alpha() * p + color2.alpha() * (1 - p));
 	},
 
 	toJSON: function () {
 		return this.rgb();
 	},
 
 	clone: function () {
 		// NOTE(SB): using node-clone creates a dependency to Buffer when using browserify,
 		// making the final build way to big to embed in Chart.js. So let's do it manually,
 		// assuming that values to clone are 1 dimension arrays containing only numbers,
 		// except 'alpha' which is a number.
 		var result = new Color();
 		var source = this.values;
 		var target = result.values;
 		var value, type;
 
 		for (var prop in source) {
 			if (source.hasOwnProperty(prop)) {
 				value = source[prop];
 				type = ({}).toString.call(value);
 				if (type === '[object Array]') {
 					target[prop] = value.slice(0);
 				} else if (type === '[object Number]') {
 					target[prop] = value;
 				} else {
 					console.error('unexpected color value:', value);
 				}
 			}
 		}
 
 		return result;
 	}
 };
 
 Color.prototype.spaces = {
 	rgb: ['red', 'green', 'blue'],
 	hsl: ['hue', 'saturation', 'lightness'],
 	hsv: ['hue', 'saturation', 'value'],
 	hwb: ['hue', 'whiteness', 'blackness'],
 	cmyk: ['cyan', 'magenta', 'yellow', 'black']
 };
 
 Color.prototype.maxes = {
 	rgb: [255, 255, 255],
 	hsl: [360, 100, 100],
 	hsv: [360, 100, 100],
 	hwb: [360, 100, 100],
 	cmyk: [100, 100, 100, 100]
 };
 
 Color.prototype.getValues = function (space) {
 	var values = this.values;
 	var vals = {};
 
 	for (var i = 0; i < space.length; i++) {
 		vals[space.charAt(i)] = values[space][i];
 	}
 
 	if (values.alpha !== 1) {
 		vals.a = values.alpha;
 	}
 
 	// {r: 255, g: 255, b: 255, a: 0.4}
 	return vals;
 };
 
 Color.prototype.setValues = function (space, vals) {
 	var values = this.values;
 	var spaces = this.spaces;
 	var maxes = this.maxes;
 	var alpha = 1;
 	var i;
 
 	this.valid = true;
 
 	if (space === 'alpha') {
 		alpha = vals;
 	} else if (vals.length) {
 		// [10, 10, 10]
 		values[space] = vals.slice(0, space.length);
 		alpha = vals[space.length];
 	} else if (vals[space.charAt(0)] !== undefined) {
 		// {r: 10, g: 10, b: 10}
 		for (i = 0; i < space.length; i++) {
 			values[space][i] = vals[space.charAt(i)];
 		}
 
 		alpha = vals.a;
 	} else if (vals[spaces[space][0]] !== undefined) {
 		// {red: 10, green: 10, blue: 10}
 		var chans = spaces[space];
 
 		for (i = 0; i < space.length; i++) {
 			values[space][i] = vals[chans[i]];
 		}
 
 		alpha = vals.alpha;
 	}
 
 	values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha)));
 
 	if (space === 'alpha') {
 		return false;
 	}
 
 	var capped;
 
 	// cap values of the space prior converting all values
 	for (i = 0; i < space.length; i++) {
 		capped = Math.max(0, Math.min(maxes[space][i], values[space][i]));
 		values[space][i] = Math.round(capped);
 	}
 
 	// convert to all the other color spaces
 	for (var sname in spaces) {
 		if (sname !== space) {
 			values[sname] = convert[space][sname](values[space]);
 		}
 	}
 
 	return true;
 };
 
 Color.prototype.setSpace = function (space, args) {
 	var vals = args[0];
 
 	if (vals === undefined) {
 		// color.rgb()
 		return this.getValues(space);
 	}
 
 	// color.rgb(10, 10, 10)
 	if (typeof vals === 'number') {
 		vals = Array.prototype.slice.call(args);
 	}
 
 	this.setValues(space, vals);
 	return this;
 };
 
 Color.prototype.setChannel = function (space, index, val) {
 	var svalues = this.values[space];
 	if (val === undefined) {
 		// color.red()
 		return svalues[index];
 	} else if (val === svalues[index]) {
 		// color.red(color.red())
 		return this;
 	}
 
 	// color.red(100)
 	svalues[index] = val;
 	this.setValues(space, svalues);
 
 	return this;
 };
 
 if (typeof window !== 'undefined') {
 	window.Color = Color;
 }
 
 module.exports = Color;
 
 },{"2":2,"5":5}],4:[function(require,module,exports){
 /* MIT license */
 
 module.exports = {
   rgb2hsl: rgb2hsl,
   rgb2hsv: rgb2hsv,
   rgb2hwb: rgb2hwb,
   rgb2cmyk: rgb2cmyk,
   rgb2keyword: rgb2keyword,
   rgb2xyz: rgb2xyz,
   rgb2lab: rgb2lab,
   rgb2lch: rgb2lch,
 
   hsl2rgb: hsl2rgb,
   hsl2hsv: hsl2hsv,
   hsl2hwb: hsl2hwb,
   hsl2cmyk: hsl2cmyk,
   hsl2keyword: hsl2keyword,
 
   hsv2rgb: hsv2rgb,
   hsv2hsl: hsv2hsl,
   hsv2hwb: hsv2hwb,
   hsv2cmyk: hsv2cmyk,
   hsv2keyword: hsv2keyword,
 
   hwb2rgb: hwb2rgb,
   hwb2hsl: hwb2hsl,
   hwb2hsv: hwb2hsv,
   hwb2cmyk: hwb2cmyk,
   hwb2keyword: hwb2keyword,
 
   cmyk2rgb: cmyk2rgb,
   cmyk2hsl: cmyk2hsl,
   cmyk2hsv: cmyk2hsv,
   cmyk2hwb: cmyk2hwb,
   cmyk2keyword: cmyk2keyword,
 
   keyword2rgb: keyword2rgb,
   keyword2hsl: keyword2hsl,
   keyword2hsv: keyword2hsv,
   keyword2hwb: keyword2hwb,
   keyword2cmyk: keyword2cmyk,
   keyword2lab: keyword2lab,
   keyword2xyz: keyword2xyz,
 
   xyz2rgb: xyz2rgb,
   xyz2lab: xyz2lab,
   xyz2lch: xyz2lch,
 
   lab2xyz: lab2xyz,
   lab2rgb: lab2rgb,
   lab2lch: lab2lch,
 
   lch2lab: lch2lab,
   lch2xyz: lch2xyz,
   lch2rgb: lch2rgb
 }
 
 
 function rgb2hsl(rgb) {
   var r = rgb[0]/255,
       g = rgb[1]/255,
       b = rgb[2]/255,
       min = Math.min(r, g, b),
       max = Math.max(r, g, b),
       delta = max - min,
       h, s, l;
 
   if (max == min)
     h = 0;
   else if (r == max)
     h = (g - b) / delta;
   else if (g == max)
     h = 2 + (b - r) / delta;
   else if (b == max)
     h = 4 + (r - g)/ delta;
 
   h = Math.min(h * 60, 360);
 
   if (h < 0)
     h += 360;
 
   l = (min + max) / 2;
 
   if (max == min)
     s = 0;
   else if (l <= 0.5)
     s = delta / (max + min);
   else
     s = delta / (2 - max - min);
 
   return [h, s * 100, l * 100];
 }
 
 function rgb2hsv(rgb) {
   var r = rgb[0],
       g = rgb[1],
       b = rgb[2],
       min = Math.min(r, g, b),
       max = Math.max(r, g, b),
       delta = max - min,
       h, s, v;
 
   if (max == 0)
     s = 0;
   else
     s = (delta/max * 1000)/10;
 
   if (max == min)
     h = 0;
   else if (r == max)
     h = (g - b) / delta;
   else if (g == max)
     h = 2 + (b - r) / delta;
   else if (b == max)
     h = 4 + (r - g) / delta;
 
   h = Math.min(h * 60, 360);
 
   if (h < 0)
     h += 360;
 
   v = ((max / 255) * 1000) / 10;
 
   return [h, s, v];
 }
 
 function rgb2hwb(rgb) {
   var r = rgb[0],
       g = rgb[1],
       b = rgb[2],
       h = rgb2hsl(rgb)[0],
       w = 1/255 * Math.min(r, Math.min(g, b)),
       b = 1 - 1/255 * Math.max(r, Math.max(g, b));
 
   return [h, w * 100, b * 100];
 }
 
 function rgb2cmyk(rgb) {
   var r = rgb[0] / 255,
       g = rgb[1] / 255,
       b = rgb[2] / 255,
       c, m, y, k;
 
   k = Math.min(1 - r, 1 - g, 1 - b);
   c = (1 - r - k) / (1 - k) || 0;
   m = (1 - g - k) / (1 - k) || 0;
   y = (1 - b - k) / (1 - k) || 0;
   return [c * 100, m * 100, y * 100, k * 100];
 }
 
 function rgb2keyword(rgb) {
   return reverseKeywords[JSON.stringify(rgb)];
 }
 
 function rgb2xyz(rgb) {
   var r = rgb[0] / 255,
       g = rgb[1] / 255,
       b = rgb[2] / 255;
 
   // assume sRGB
   r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92);
   g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92);
   b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92);
 
   var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805);
   var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722);
   var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505);
 
   return [x * 100, y *100, z * 100];
 }
 
 function rgb2lab(rgb) {
   var xyz = rgb2xyz(rgb),
         x = xyz[0],
         y = xyz[1],
         z = xyz[2],
         l, a, b;
 
   x /= 95.047;
   y /= 100;
   z /= 108.883;
 
   x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
   y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
   z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
 
   l = (116 * y) - 16;
   a = 500 * (x - y);
   b = 200 * (y - z);
 
   return [l, a, b];
 }
 
 function rgb2lch(args) {
   return lab2lch(rgb2lab(args));
 }
 
 function hsl2rgb(hsl) {
   var h = hsl[0] / 360,
       s = hsl[1] / 100,
       l = hsl[2] / 100,
       t1, t2, t3, rgb, val;
 
   if (s == 0) {
     val = l * 255;
     return [val, val, val];
   }
 
   if (l < 0.5)
     t2 = l * (1 + s);
   else
     t2 = l + s - l * s;
   t1 = 2 * l - t2;
 
   rgb = [0, 0, 0];
   for (var i = 0; i < 3; i++) {
     t3 = h + 1 / 3 * - (i - 1);
     t3 < 0 && t3++;
     t3 > 1 && t3--;
 
     if (6 * t3 < 1)
       val = t1 + (t2 - t1) * 6 * t3;
     else if (2 * t3 < 1)
       val = t2;
     else if (3 * t3 < 2)
       val = t1 + (t2 - t1) * (2 / 3 - t3) * 6;
     else
       val = t1;
 
     rgb[i] = val * 255;
   }
 
   return rgb;
 }
 
 function hsl2hsv(hsl) {
   var h = hsl[0],
       s = hsl[1] / 100,
       l = hsl[2] / 100,
       sv, v;
 
   if(l === 0) {
       // no need to do calc on black
       // also avoids divide by 0 error
       return [0, 0, 0];
   }
 
   l *= 2;
   s *= (l <= 1) ? l : 2 - l;
   v = (l + s) / 2;
   sv = (2 * s) / (l + s);
   return [h, sv * 100, v * 100];
 }
 
 function hsl2hwb(args) {
   return rgb2hwb(hsl2rgb(args));
 }
 
 function hsl2cmyk(args) {
   return rgb2cmyk(hsl2rgb(args));
 }
 
 function hsl2keyword(args) {
   return rgb2keyword(hsl2rgb(args));
 }
 
 
 function hsv2rgb(hsv) {
   var h = hsv[0] / 60,
       s = hsv[1] / 100,
       v = hsv[2] / 100,
       hi = Math.floor(h) % 6;
 
   var f = h - Math.floor(h),
       p = 255 * v * (1 - s),
       q = 255 * v * (1 - (s * f)),
       t = 255 * v * (1 - (s * (1 - f))),
       v = 255 * v;
 
   switch(hi) {
     case 0:
       return [v, t, p];
     case 1:
       return [q, v, p];
     case 2:
       return [p, v, t];
     case 3:
       return [p, q, v];
     case 4:
       return [t, p, v];
     case 5:
       return [v, p, q];
   }
 }
 
 function hsv2hsl(hsv) {
   var h = hsv[0],
       s = hsv[1] / 100,
       v = hsv[2] / 100,
       sl, l;
 
   l = (2 - s) * v;
   sl = s * v;
   sl /= (l <= 1) ? l : 2 - l;
   sl = sl || 0;
   l /= 2;
   return [h, sl * 100, l * 100];
 }
 
 function hsv2hwb(args) {
   return rgb2hwb(hsv2rgb(args))
 }
 
 function hsv2cmyk(args) {
   return rgb2cmyk(hsv2rgb(args));
 }
 
 function hsv2keyword(args) {
   return rgb2keyword(hsv2rgb(args));
 }
 
 // http://dev.w3.org/csswg/css-color/#hwb-to-rgb
 function hwb2rgb(hwb) {
   var h = hwb[0] / 360,
       wh = hwb[1] / 100,
       bl = hwb[2] / 100,
       ratio = wh + bl,
       i, v, f, n;
 
   // wh + bl cant be > 1
   if (ratio > 1) {
     wh /= ratio;
     bl /= ratio;
   }
 
   i = Math.floor(6 * h);
   v = 1 - bl;
   f = 6 * h - i;
   if ((i & 0x01) != 0) {
     f = 1 - f;
   }
   n = wh + f * (v - wh);  // linear interpolation
 
   switch (i) {
     default:
     case 6:
     case 0: r = v; g = n; b = wh; break;
     case 1: r = n; g = v; b = wh; break;
     case 2: r = wh; g = v; b = n; break;
     case 3: r = wh; g = n; b = v; break;
     case 4: r = n; g = wh; b = v; break;
     case 5: r = v; g = wh; b = n; break;
   }
 
   return [r * 255, g * 255, b * 255];
 }
 
 function hwb2hsl(args) {
   return rgb2hsl(hwb2rgb(args));
 }
 
 function hwb2hsv(args) {
   return rgb2hsv(hwb2rgb(args));
 }
 
 function hwb2cmyk(args) {
   return rgb2cmyk(hwb2rgb(args));
 }
 
 function hwb2keyword(args) {
   return rgb2keyword(hwb2rgb(args));
 }
 
 function cmyk2rgb(cmyk) {
   var c = cmyk[0] / 100,
       m = cmyk[1] / 100,
       y = cmyk[2] / 100,
       k = cmyk[3] / 100,
       r, g, b;
 
   r = 1 - Math.min(1, c * (1 - k) + k);
   g = 1 - Math.min(1, m * (1 - k) + k);
   b = 1 - Math.min(1, y * (1 - k) + k);
   return [r * 255, g * 255, b * 255];
 }
 
 function cmyk2hsl(args) {
   return rgb2hsl(cmyk2rgb(args));
 }
 
 function cmyk2hsv(args) {
   return rgb2hsv(cmyk2rgb(args));
 }
 
 function cmyk2hwb(args) {
   return rgb2hwb(cmyk2rgb(args));
 }
 
 function cmyk2keyword(args) {
   return rgb2keyword(cmyk2rgb(args));
 }
 
 
 function xyz2rgb(xyz) {
   var x = xyz[0] / 100,
       y = xyz[1] / 100,
       z = xyz[2] / 100,
       r, g, b;
 
   r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986);
   g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415);
   b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570);
 
   // assume sRGB
   r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055)
     : r = (r * 12.92);
 
   g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055)
     : g = (g * 12.92);
 
   b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055)
     : b = (b * 12.92);
 
   r = Math.min(Math.max(0, r), 1);
   g = Math.min(Math.max(0, g), 1);
   b = Math.min(Math.max(0, b), 1);
 
   return [r * 255, g * 255, b * 255];
 }
 
 function xyz2lab(xyz) {
   var x = xyz[0],
       y = xyz[1],
       z = xyz[2],
       l, a, b;
 
   x /= 95.047;
   y /= 100;
   z /= 108.883;
 
   x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116);
   y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116);
   z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116);
 
   l = (116 * y) - 16;
   a = 500 * (x - y);
   b = 200 * (y - z);
 
   return [l, a, b];
 }
 
 function xyz2lch(args) {
   return lab2lch(xyz2lab(args));
 }
 
 function lab2xyz(lab) {
   var l = lab[0],
       a = lab[1],
       b = lab[2],
       x, y, z, y2;
 
   if (l <= 8) {
     y = (l * 100) / 903.3;
     y2 = (7.787 * (y / 100)) + (16 / 116);
   } else {
     y = 100 * Math.pow((l + 16) / 116, 3);
     y2 = Math.pow(y / 100, 1/3);
   }
 
   x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3);
 
   z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3);
 
   return [x, y, z];
 }
 
 function lab2lch(lab) {
   var l = lab[0],
       a = lab[1],
       b = lab[2],
       hr, h, c;
 
   hr = Math.atan2(b, a);
   h = hr * 360 / 2 / Math.PI;
   if (h < 0) {
     h += 360;
   }
   c = Math.sqrt(a * a + b * b);
   return [l, c, h];
 }
 
 function lab2rgb(args) {
   return xyz2rgb(lab2xyz(args));
 }
 
 function lch2lab(lch) {
   var l = lch[0],
       c = lch[1],
       h = lch[2],
       a, b, hr;
 
   hr = h / 360 * 2 * Math.PI;
   a = c * Math.cos(hr);
   b = c * Math.sin(hr);
   return [l, a, b];
 }
 
 function lch2xyz(args) {
   return lab2xyz(lch2lab(args));
 }
 
 function lch2rgb(args) {
   return lab2rgb(lch2lab(args));
 }
 
 function keyword2rgb(keyword) {
   return cssKeywords[keyword];
 }
 
 function keyword2hsl(args) {
   return rgb2hsl(keyword2rgb(args));
 }
 
 function keyword2hsv(args) {
   return rgb2hsv(keyword2rgb(args));
 }
 
 function keyword2hwb(args) {
   return rgb2hwb(keyword2rgb(args));
 }
 
 function keyword2cmyk(args) {
   return rgb2cmyk(keyword2rgb(args));
 }
 
 function keyword2lab(args) {
   return rgb2lab(keyword2rgb(args));
 }
 
 function keyword2xyz(args) {
   return rgb2xyz(keyword2rgb(args));
 }
 
 var cssKeywords = {
   aliceblue:  [240,248,255],
   antiquewhite: [250,235,215],
   aqua: [0,255,255],
   aquamarine: [127,255,212],
   azure:  [240,255,255],
   beige:  [245,245,220],
   bisque: [255,228,196],
   black:  [0,0,0],
   blanchedalmond: [255,235,205],
   blue: [0,0,255],
   blueviolet: [138,43,226],
   brown:  [165,42,42],
   burlywood:  [222,184,135],
   cadetblue:  [95,158,160],
   chartreuse: [127,255,0],
   chocolate:  [210,105,30],
   coral:  [255,127,80],
   cornflowerblue: [100,149,237],
   cornsilk: [255,248,220],
   crimson:  [220,20,60],
   cyan: [0,255,255],
   darkblue: [0,0,139],
   darkcyan: [0,139,139],
   darkgoldenrod:  [184,134,11],
   darkgray: [169,169,169],
   darkgreen:  [0,100,0],
   darkgrey: [169,169,169],
   darkkhaki:  [189,183,107],
   darkmagenta:  [139,0,139],
   darkolivegreen: [85,107,47],
   darkorange: [255,140,0],
   darkorchid: [153,50,204],
   darkred:  [139,0,0],
   darksalmon: [233,150,122],
   darkseagreen: [143,188,143],
   darkslateblue:  [72,61,139],
   darkslategray:  [47,79,79],
   darkslategrey:  [47,79,79],
   darkturquoise:  [0,206,209],
   darkviolet: [148,0,211],
   deeppink: [255,20,147],
   deepskyblue:  [0,191,255],
   dimgray:  [105,105,105],
   dimgrey:  [105,105,105],
   dodgerblue: [30,144,255],
   firebrick:  [178,34,34],
   floralwhite:  [255,250,240],
   forestgreen:  [34,139,34],
   fuchsia:  [255,0,255],
   gainsboro:  [220,220,220],
   ghostwhite: [248,248,255],
   gold: [255,215,0],
   goldenrod:  [218,165,32],
   gray: [128,128,128],
   green:  [0,128,0],
   greenyellow:  [173,255,47],
   grey: [128,128,128],
   honeydew: [240,255,240],
   hotpink:  [255,105,180],
   indianred:  [205,92,92],
   indigo: [75,0,130],
   ivory:  [255,255,240],
   khaki:  [240,230,140],
   lavender: [230,230,250],
   lavenderblush:  [255,240,245],
   lawngreen:  [124,252,0],
   lemonchiffon: [255,250,205],
   lightblue:  [173,216,230],
   lightcoral: [240,128,128],
   lightcyan:  [224,255,255],
   lightgoldenrodyellow: [250,250,210],
   lightgray:  [211,211,211],
   lightgreen: [144,238,144],
   lightgrey:  [211,211,211],
   lightpink:  [255,182,193],
   lightsalmon:  [255,160,122],
   lightseagreen:  [32,178,170],
   lightskyblue: [135,206,250],
   lightslategray: [119,136,153],
   lightslategrey: [119,136,153],
   lightsteelblue: [176,196,222],
   lightyellow:  [255,255,224],
   lime: [0,255,0],
   limegreen:  [50,205,50],
   linen:  [250,240,230],
   magenta:  [255,0,255],
   maroon: [128,0,0],
   mediumaquamarine: [102,205,170],
   mediumblue: [0,0,205],
   mediumorchid: [186,85,211],
   mediumpurple: [147,112,219],
   mediumseagreen: [60,179,113],
   mediumslateblue:  [123,104,238],
   mediumspringgreen:  [0,250,154],
   mediumturquoise:  [72,209,204],
   mediumvioletred:  [199,21,133],
   midnightblue: [25,25,112],
   mintcream:  [245,255,250],
   mistyrose:  [255,228,225],
   moccasin: [255,228,181],
   navajowhite:  [255,222,173],
   navy: [0,0,128],
   oldlace:  [253,245,230],
   olive:  [128,128,0],
   olivedrab:  [107,142,35],
   orange: [255,165,0],
   orangered:  [255,69,0],
   orchid: [218,112,214],
   palegoldenrod:  [238,232,170],
   palegreen:  [152,251,152],
   paleturquoise:  [175,238,238],
   palevioletred:  [219,112,147],
   papayawhip: [255,239,213],
   peachpuff:  [255,218,185],
   peru: [205,133,63],
   pink: [255,192,203],
   plum: [221,160,221],
   powderblue: [176,224,230],
   purple: [128,0,128],
   rebeccapurple: [102, 51, 153],
   red:  [255,0,0],
   rosybrown:  [188,143,143],
   royalblue:  [65,105,225],
   saddlebrown:  [139,69,19],
   salmon: [250,128,114],
   sandybrown: [244,164,96],
   seagreen: [46,139,87],
   seashell: [255,245,238],
   sienna: [160,82,45],
   silver: [192,192,192],
   skyblue:  [135,206,235],
   slateblue:  [106,90,205],
   slategray:  [112,128,144],
   slategrey:  [112,128,144],
   snow: [255,250,250],
   springgreen:  [0,255,127],
   steelblue:  [70,130,180],
   tan:  [210,180,140],
   teal: [0,128,128],
   thistle:  [216,191,216],
   tomato: [255,99,71],
   turquoise:  [64,224,208],
   violet: [238,130,238],
   wheat:  [245,222,179],
   white:  [255,255,255],
   whitesmoke: [245,245,245],
   yellow: [255,255,0],
   yellowgreen:  [154,205,50]
 };
 
 var reverseKeywords = {};
 for (var key in cssKeywords) {
   reverseKeywords[JSON.stringify(cssKeywords[key])] = key;
 }
 
 },{}],5:[function(require,module,exports){
 var conversions = require(4);
 
 var convert = function() {
    return new Converter();
 }
 
 for (var func in conversions) {
   // export Raw versions
   convert[func + "Raw"] =  (function(func) {
     // accept array or plain args
     return function(arg) {
       if (typeof arg == "number")
         arg = Array.prototype.slice.call(arguments);
       return conversions[func](arg);
     }
   })(func);
 
   var pair = /(\w+)2(\w+)/.exec(func),
       from = pair[1],
       to = pair[2];
 
   // export rgb2hsl and ["rgb"]["hsl"]
   convert[from] = convert[from] || {};
 
   convert[from][to] = convert[func] = (function(func) { 
     return function(arg) {
       if (typeof arg == "number")
         arg = Array.prototype.slice.call(arguments);
       
       var val = conversions[func](arg);
       if (typeof val == "string" || val === undefined)
         return val; // keyword
 
       for (var i = 0; i < val.length; i++)
         val[i] = Math.round(val[i]);
       return val;
     }
   })(func);
 }
 
 
 /* Converter does lazy conversion and caching */
 var Converter = function() {
    this.convs = {};
 };
 
 /* Either get the values for a space or
   set the values for a space, depending on args */
 Converter.prototype.routeSpace = function(space, args) {
    var values = args[0];
    if (values === undefined) {
       // color.rgb()
       return this.getValues(space);
    }
    // color.rgb(10, 10, 10)
    if (typeof values == "number") {
       values = Array.prototype.slice.call(args);        
    }
 
    return this.setValues(space, values);
 };
   
 /* Set the values for a space, invalidating cache */
 Converter.prototype.setValues = function(space, values) {
    this.space = space;
    this.convs = {};
    this.convs[space] = values;
    return this;
 };
 
 /* Get the values for a space. If there's already
   a conversion for the space, fetch it, otherwise
   compute it */
 Converter.prototype.getValues = function(space) {
    var vals = this.convs[space];
    if (!vals) {
       var fspace = this.space,
           from = this.convs[fspace];
       vals = convert[fspace][space](from);
 
       this.convs[space] = vals;
    }
   return vals;
 };
 
 ["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) {
    Converter.prototype[space] = function(vals) {
       return this.routeSpace(space, arguments);
    }
 });
 
 module.exports = convert;
 },{"4":4}],6:[function(require,module,exports){
 'use strict'
 
 module.exports = {
 	"aliceblue": [240, 248, 255],
 	"antiquewhite": [250, 235, 215],
 	"aqua": [0, 255, 255],
 	"aquamarine": [127, 255, 212],
 	"azure": [240, 255, 255],
 	"beige": [245, 245, 220],
 	"bisque": [255, 228, 196],
 	"black": [0, 0, 0],
 	"blanchedalmond": [255, 235, 205],
 	"blue": [0, 0, 255],
 	"blueviolet": [138, 43, 226],
 	"brown": [165, 42, 42],
 	"burlywood": [222, 184, 135],
 	"cadetblue": [95, 158, 160],
 	"chartreuse": [127, 255, 0],
 	"chocolate": [210, 105, 30],
 	"coral": [255, 127, 80],
 	"cornflowerblue": [100, 149, 237],
 	"cornsilk": [255, 248, 220],
 	"crimson": [220, 20, 60],
 	"cyan": [0, 255, 255],
 	"darkblue": [0, 0, 139],
 	"darkcyan": [0, 139, 139],
 	"darkgoldenrod": [184, 134, 11],
 	"darkgray": [169, 169, 169],
 	"darkgreen": [0, 100, 0],
 	"darkgrey": [169, 169, 169],
 	"darkkhaki": [189, 183, 107],
 	"darkmagenta": [139, 0, 139],
 	"darkolivegreen": [85, 107, 47],
 	"darkorange": [255, 140, 0],
 	"darkorchid": [153, 50, 204],
 	"darkred": [139, 0, 0],
 	"darksalmon": [233, 150, 122],
 	"darkseagreen": [143, 188, 143],
 	"darkslateblue": [72, 61, 139],
 	"darkslategray": [47, 79, 79],
 	"darkslategrey": [47, 79, 79],
 	"darkturquoise": [0, 206, 209],
 	"darkviolet": [148, 0, 211],
 	"deeppink": [255, 20, 147],
 	"deepskyblue": [0, 191, 255],
 	"dimgray": [105, 105, 105],
 	"dimgrey": [105, 105, 105],
 	"dodgerblue": [30, 144, 255],
 	"firebrick": [178, 34, 34],
 	"floralwhite": [255, 250, 240],
 	"forestgreen": [34, 139, 34],
 	"fuchsia": [255, 0, 255],
 	"gainsboro": [220, 220, 220],
 	"ghostwhite": [248, 248, 255],
 	"gold": [255, 215, 0],
 	"goldenrod": [218, 165, 32],
 	"gray": [128, 128, 128],
 	"green": [0, 128, 0],
 	"greenyellow": [173, 255, 47],
 	"grey": [128, 128, 128],
 	"honeydew": [240, 255, 240],
 	"hotpink": [255, 105, 180],
 	"indianred": [205, 92, 92],
 	"indigo": [75, 0, 130],
 	"ivory": [255, 255, 240],
 	"khaki": [240, 230, 140],
 	"lavender": [230, 230, 250],
 	"lavenderblush": [255, 240, 245],
 	"lawngreen": [124, 252, 0],
 	"lemonchiffon": [255, 250, 205],
 	"lightblue": [173, 216, 230],
 	"lightcoral": [240, 128, 128],
 	"lightcyan": [224, 255, 255],
 	"lightgoldenrodyellow": [250, 250, 210],
 	"lightgray": [211, 211, 211],
 	"lightgreen": [144, 238, 144],
 	"lightgrey": [211, 211, 211],
 	"lightpink": [255, 182, 193],
 	"lightsalmon": [255, 160, 122],
 	"lightseagreen": [32, 178, 170],
 	"lightskyblue": [135, 206, 250],
 	"lightslategray": [119, 136, 153],
 	"lightslategrey": [119, 136, 153],
 	"lightsteelblue": [176, 196, 222],
 	"lightyellow": [255, 255, 224],
 	"lime": [0, 255, 0],
 	"limegreen": [50, 205, 50],
 	"linen": [250, 240, 230],
 	"magenta": [255, 0, 255],
 	"maroon": [128, 0, 0],
 	"mediumaquamarine": [102, 205, 170],
 	"mediumblue": [0, 0, 205],
 	"mediumorchid": [186, 85, 211],
 	"mediumpurple": [147, 112, 219],
 	"mediumseagreen": [60, 179, 113],
 	"mediumslateblue": [123, 104, 238],
 	"mediumspringgreen": [0, 250, 154],
 	"mediumturquoise": [72, 209, 204],
 	"mediumvioletred": [199, 21, 133],
 	"midnightblue": [25, 25, 112],
 	"mintcream": [245, 255, 250],
 	"mistyrose": [255, 228, 225],
 	"moccasin": [255, 228, 181],
 	"navajowhite": [255, 222, 173],
 	"navy": [0, 0, 128],
 	"oldlace": [253, 245, 230],
 	"olive": [128, 128, 0],
 	"olivedrab": [107, 142, 35],
 	"orange": [255, 165, 0],
 	"orangered": [255, 69, 0],
 	"orchid": [218, 112, 214],
 	"palegoldenrod": [238, 232, 170],
 	"palegreen": [152, 251, 152],
 	"paleturquoise": [175, 238, 238],
 	"palevioletred": [219, 112, 147],
 	"papayawhip": [255, 239, 213],
 	"peachpuff": [255, 218, 185],
 	"peru": [205, 133, 63],
 	"pink": [255, 192, 203],
 	"plum": [221, 160, 221],
 	"powderblue": [176, 224, 230],
 	"purple": [128, 0, 128],
 	"rebeccapurple": [102, 51, 153],
 	"red": [255, 0, 0],
 	"rosybrown": [188, 143, 143],
 	"royalblue": [65, 105, 225],
 	"saddlebrown": [139, 69, 19],
 	"salmon": [250, 128, 114],
 	"sandybrown": [244, 164, 96],
 	"seagreen": [46, 139, 87],
 	"seashell": [255, 245, 238],
 	"sienna": [160, 82, 45],
 	"silver": [192, 192, 192],
 	"skyblue": [135, 206, 235],
 	"slateblue": [106, 90, 205],
 	"slategray": [112, 128, 144],
 	"slategrey": [112, 128, 144],
 	"snow": [255, 250, 250],
 	"springgreen": [0, 255, 127],
 	"steelblue": [70, 130, 180],
 	"tan": [210, 180, 140],
 	"teal": [0, 128, 128],
 	"thistle": [216, 191, 216],
 	"tomato": [255, 99, 71],
 	"turquoise": [64, 224, 208],
 	"violet": [238, 130, 238],
 	"wheat": [245, 222, 179],
 	"white": [255, 255, 255],
 	"whitesmoke": [245, 245, 245],
 	"yellow": [255, 255, 0],
 	"yellowgreen": [154, 205, 50]
 };
 
 },{}],7:[function(require,module,exports){
 /**
  * @namespace Chart
  */
 var Chart = require(30)();
 
 Chart.helpers = require(46);
 
 // @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!
 require(28)(Chart);
 
 Chart.Animation = require(22);
 Chart.animationService = require(23);
 Chart.defaults = require(26);
 Chart.Element = require(27);
 Chart.elements = require(41);
 Chart.Interaction = require(29);
 Chart.layouts = require(31);
 Chart.platform = require(49);
 Chart.plugins = require(32);
 Chart.Scale = require(33);
 Chart.scaleService = require(34);
 Chart.Ticks = require(35);
 Chart.Tooltip = require(36);
 
 require(24)(Chart);
 require(25)(Chart);
 
 require(56)(Chart);
 require(54)(Chart);
 require(55)(Chart);
 require(57)(Chart);
 require(58)(Chart);
 require(59)(Chart);
 
 // Controllers must be loaded after elements
 // See Chart.core.datasetController.dataElementType
 require(15)(Chart);
 require(16)(Chart);
 require(17)(Chart);
 require(18)(Chart);
 require(19)(Chart);
 require(20)(Chart);
 require(21)(Chart);
 
 require(8)(Chart);
 require(9)(Chart);
 require(10)(Chart);
 require(11)(Chart);
 require(12)(Chart);
 require(13)(Chart);
 require(14)(Chart);
 
 // Loading built-in plugins
 var plugins = require(50);
 for (var k in plugins) {
 	if (plugins.hasOwnProperty(k)) {
 		Chart.plugins.register(plugins[k]);
 	}
 }
 
 Chart.platform.initialize();
 
 module.exports = Chart;
 if (typeof window !== 'undefined') {
 	window.Chart = Chart;
 }
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, not available anymore
  * @namespace Chart.Legend
  * @deprecated since version 2.1.5
  * @todo remove at version 3
  * @private
  */
 Chart.Legend = plugins.legend._element;
 
 /**
  * Provided for backward compatibility, not available anymore
  * @namespace Chart.Title
  * @deprecated since version 2.1.5
  * @todo remove at version 3
  * @private
  */
 Chart.Title = plugins.title._element;
 
 /**
  * Provided for backward compatibility, use Chart.plugins instead
  * @namespace Chart.pluginService
  * @deprecated since version 2.1.5
  * @todo remove at version 3
  * @private
  */
 Chart.pluginService = Chart.plugins;
 
 /**
  * Provided for backward compatibility, inheriting from Chart.PlugingBase has no
  * effect, instead simply create/register plugins via plain JavaScript objects.
  * @interface Chart.PluginBase
  * @deprecated since version 2.5.0
  * @todo remove at version 3
  * @private
  */
 Chart.PluginBase = Chart.Element.extend({});
 
 /**
  * Provided for backward compatibility, use Chart.helpers.canvas instead.
  * @namespace Chart.canvasHelpers
  * @deprecated since version 2.6.0
  * @todo remove at version 3
  * @private
  */
 Chart.canvasHelpers = Chart.helpers.canvas;
 
 /**
  * Provided for backward compatibility, use Chart.layouts instead.
  * @namespace Chart.layoutService
  * @deprecated since version 2.8.0
  * @todo remove at version 3
  * @private
  */
 Chart.layoutService = Chart.layouts;
 
 },{"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"18":18,"19":19,"20":20,"21":21,"22":22,"23":23,"24":24,"25":25,"26":26,"27":27,"28":28,"29":29,"30":30,"31":31,"32":32,"33":33,"34":34,"35":35,"36":36,"41":41,"46":46,"49":49,"50":50,"54":54,"55":55,"56":56,"57":57,"58":58,"59":59,"8":8,"9":9}],8:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.Bar = function(context, config) {
 		config.type = 'bar';
 
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],9:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.Bubble = function(context, config) {
 		config.type = 'bubble';
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],10:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.Doughnut = function(context, config) {
 		config.type = 'doughnut';
 
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],11:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.Line = function(context, config) {
 		config.type = 'line';
 
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],12:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.PolarArea = function(context, config) {
 		config.type = 'polarArea';
 
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],13:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 
 	Chart.Radar = function(context, config) {
 		config.type = 'radar';
 
 		return new Chart(context, config);
 	};
 
 };
 
 },{}],14:[function(require,module,exports){
 'use strict';
 
 module.exports = function(Chart) {
 	Chart.Scatter = function(context, config) {
 		config.type = 'scatter';
 		return new Chart(context, config);
 	};
 };
 
 },{}],15:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('bar', {
 	hover: {
 		mode: 'label'
 	},
 
 	scales: {
 		xAxes: [{
 			type: 'category',
 
 			// Specific to Bar Controller
 			categoryPercentage: 0.8,
 			barPercentage: 0.9,
 
 			// offset settings
 			offset: true,
 
 			// grid line settings
 			gridLines: {
 				offsetGridLines: true
 			}
 		}],
 
 		yAxes: [{
 			type: 'linear'
 		}]
 	}
 });
 
 defaults._set('horizontalBar', {
 	hover: {
 		mode: 'index',
 		axis: 'y'
 	},
 
 	scales: {
 		xAxes: [{
 			type: 'linear',
 			position: 'bottom'
 		}],
 
 		yAxes: [{
 			position: 'left',
 			type: 'category',
 
 			// Specific to Horizontal Bar Controller
 			categoryPercentage: 0.8,
 			barPercentage: 0.9,
 
 			// offset settings
 			offset: true,
 
 			// grid line settings
 			gridLines: {
 				offsetGridLines: true
 			}
 		}]
 	},
 
 	elements: {
 		rectangle: {
 			borderSkipped: 'left'
 		}
 	},
 
 	tooltips: {
 		callbacks: {
 			title: function(item, data) {
 				// Pick first xLabel for now
 				var title = '';
 
 				if (item.length > 0) {
 					if (item[0].yLabel) {
 						title = item[0].yLabel;
 					} else if (data.labels.length > 0 && item[0].index < data.labels.length) {
 						title = data.labels[item[0].index];
 					}
 				}
 
 				return title;
 			},
 
 			label: function(item, data) {
 				var datasetLabel = data.datasets[item.datasetIndex].label || '';
 				return datasetLabel + ': ' + item.xLabel;
 			}
 		},
 		mode: 'index',
 		axis: 'y'
 	}
 });
 
 /**
  * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap.
  * @private
  */
 function computeMinSampleSize(scale, pixels) {
 	var min = scale.isHorizontal() ? scale.width : scale.height;
 	var ticks = scale.getTicks();
 	var prev, curr, i, ilen;
 
 	for (i = 1, ilen = pixels.length; i < ilen; ++i) {
 		min = Math.min(min, pixels[i] - pixels[i - 1]);
 	}
 
 	for (i = 0, ilen = ticks.length; i < ilen; ++i) {
 		curr = scale.getPixelForTick(i);
 		min = i > 0 ? Math.min(min, curr - prev) : min;
 		prev = curr;
 	}
 
 	return min;
 }
 
 /**
  * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null,
  * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This
  * mode currently always generates bars equally sized (until we introduce scriptable options?).
  * @private
  */
 function computeFitCategoryTraits(index, ruler, options) {
 	var thickness = options.barThickness;
 	var count = ruler.stackCount;
 	var curr = ruler.pixels[index];
 	var size, ratio;
 
 	if (helpers.isNullOrUndef(thickness)) {
 		size = ruler.min * options.categoryPercentage;
 		ratio = options.barPercentage;
 	} else {
 		// When bar thickness is enforced, category and bar percentages are ignored.
 		// Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%')
 		// and deprecate barPercentage since this value is ignored when thickness is absolute.
 		size = thickness * count;
 		ratio = 1;
 	}
 
 	return {
 		chunk: size / count,
 		ratio: ratio,
 		start: curr - (size / 2)
 	};
 }
 
 /**
  * Computes an "optimal" category that globally arranges bars side by side (no gap when
  * percentage options are 1), based on the previous and following categories. This mode
  * generates bars with different widths when data are not evenly spaced.
  * @private
  */
 function computeFlexCategoryTraits(index, ruler, options) {
 	var pixels = ruler.pixels;
 	var curr = pixels[index];
 	var prev = index > 0 ? pixels[index - 1] : null;
 	var next = index < pixels.length - 1 ? pixels[index + 1] : null;
 	var percent = options.categoryPercentage;
 	var start, size;
 
 	if (prev === null) {
 		// first data: its size is double based on the next point or,
 		// if it's also the last data, we use the scale end extremity.
 		prev = curr - (next === null ? ruler.end - curr : next - curr);
 	}
 
 	if (next === null) {
 		// last data: its size is also double based on the previous point.
 		next = curr + curr - prev;
 	}
 
 	start = curr - ((curr - prev) / 2) * percent;
 	size = ((next - prev) / 2) * percent;
 
 	return {
 		chunk: size / ruler.stackCount,
 		ratio: options.barPercentage,
 		start: start
 	};
 }
 
 module.exports = function(Chart) {
 
 	Chart.controllers.bar = Chart.DatasetController.extend({
 
 		dataElementType: elements.Rectangle,
 
 		initialize: function() {
 			var me = this;
 			var meta;
 
 			Chart.DatasetController.prototype.initialize.apply(me, arguments);
 
 			meta = me.getMeta();
 			meta.stack = me.getDataset().stack;
 			meta.bar = true;
 		},
 
 		update: function(reset) {
 			var me = this;
 			var rects = me.getMeta().data;
 			var i, ilen;
 
 			me._ruler = me.getRuler();
 
 			for (i = 0, ilen = rects.length; i < ilen; ++i) {
 				me.updateElement(rects[i], i, reset);
 			}
 		},
 
 		updateElement: function(rectangle, index, reset) {
 			var me = this;
 			var chart = me.chart;
 			var meta = me.getMeta();
 			var dataset = me.getDataset();
 			var custom = rectangle.custom || {};
 			var rectangleOptions = chart.options.elements.rectangle;
 
 			rectangle._xScale = me.getScaleForId(meta.xAxisID);
 			rectangle._yScale = me.getScaleForId(meta.yAxisID);
 			rectangle._datasetIndex = me.index;
 			rectangle._index = index;
 
 			rectangle._model = {
 				datasetLabel: dataset.label,
 				label: chart.data.labels[index],
 				borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,
 				backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),
 				borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),
 				borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)
 			};
 
 			me.updateElementGeometry(rectangle, index, reset);
 
 			rectangle.pivot();
 		},
 
 		/**
 		 * @private
 		 */
 		updateElementGeometry: function(rectangle, index, reset) {
 			var me = this;
 			var model = rectangle._model;
 			var vscale = me.getValueScale();
 			var base = vscale.getBasePixel();
 			var horizontal = vscale.isHorizontal();
 			var ruler = me._ruler || me.getRuler();
 			var vpixels = me.calculateBarValuePixels(me.index, index);
 			var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);
 
 			model.horizontal = horizontal;
 			model.base = reset ? base : vpixels.base;
 			model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
 			model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
 			model.height = horizontal ? ipixels.size : undefined;
 			model.width = horizontal ? undefined : ipixels.size;
 		},
 
 		/**
 		 * @private
 		 */
 		getValueScaleId: function() {
 			return this.getMeta().yAxisID;
 		},
 
 		/**
 		 * @private
 		 */
 		getIndexScaleId: function() {
 			return this.getMeta().xAxisID;
 		},
 
 		/**
 		 * @private
 		 */
 		getValueScale: function() {
 			return this.getScaleForId(this.getValueScaleId());
 		},
 
 		/**
 		 * @private
 		 */
 		getIndexScale: function() {
 			return this.getScaleForId(this.getIndexScaleId());
 		},
 
 		/**
 		 * Returns the stacks based on groups and bar visibility.
 		 * @param {Number} [last] - The dataset index
 		 * @returns {Array} The stack list
 		 * @private
 		 */
 		_getStacks: function(last) {
 			var me = this;
 			var chart = me.chart;
 			var scale = me.getIndexScale();
 			var stacked = scale.options.stacked;
 			var ilen = last === undefined ? chart.data.datasets.length : last + 1;
 			var stacks = [];
 			var i, meta;
 
 			for (i = 0; i < ilen; ++i) {
 				meta = chart.getDatasetMeta(i);
 				if (meta.bar && chart.isDatasetVisible(i) &&
 					(stacked === false ||
 					(stacked === true && stacks.indexOf(meta.stack) === -1) ||
 					(stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {
 					stacks.push(meta.stack);
 				}
 			}
 
 			return stacks;
 		},
 
 		/**
 		 * Returns the effective number of stacks based on groups and bar visibility.
 		 * @private
 		 */
 		getStackCount: function() {
 			return this._getStacks().length;
 		},
 
 		/**
 		 * Returns the stack index for the given dataset based on groups and bar visibility.
 		 * @param {Number} [datasetIndex] - The dataset index
 		 * @param {String} [name] - The stack name to find
 		 * @returns {Number} The stack index
 		 * @private
 		 */
 		getStackIndex: function(datasetIndex, name) {
 			var stacks = this._getStacks(datasetIndex);
 			var index = (name !== undefined)
 				? stacks.indexOf(name)
 				: -1; // indexOf returns -1 if element is not present
 
 			return (index === -1)
 				? stacks.length - 1
 				: index;
 		},
 
 		/**
 		 * @private
 		 */
 		getRuler: function() {
 			var me = this;
 			var scale = me.getIndexScale();
 			var stackCount = me.getStackCount();
 			var datasetIndex = me.index;
 			var isHorizontal = scale.isHorizontal();
 			var start = isHorizontal ? scale.left : scale.top;
 			var end = start + (isHorizontal ? scale.width : scale.height);
 			var pixels = [];
 			var i, ilen, min;
 
 			for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
 				pixels.push(scale.getPixelForValue(null, i, datasetIndex));
 			}
 
 			min = helpers.isNullOrUndef(scale.options.barThickness)
 				? computeMinSampleSize(scale, pixels)
 				: -1;
 
 			return {
 				min: min,
 				pixels: pixels,
 				start: start,
 				end: end,
 				stackCount: stackCount,
 				scale: scale
 			};
 		},
 
 		/**
 		 * Note: pixel values are not clamped to the scale area.
 		 * @private
 		 */
 		calculateBarValuePixels: function(datasetIndex, index) {
 			var me = this;
 			var chart = me.chart;
 			var meta = me.getMeta();
 			var scale = me.getValueScale();
 			var datasets = chart.data.datasets;
 			var value = scale.getRightValue(datasets[datasetIndex].data[index]);
 			var stacked = scale.options.stacked;
 			var stack = meta.stack;
 			var start = 0;
 			var i, imeta, ivalue, base, head, size;
 
 			if (stacked || (stacked === undefined && stack !== undefined)) {
 				for (i = 0; i < datasetIndex; ++i) {
 					imeta = chart.getDatasetMeta(i);
 
 					if (imeta.bar &&
 						imeta.stack === stack &&
 						imeta.controller.getValueScaleId() === scale.id &&
 						chart.isDatasetVisible(i)) {
 
 						ivalue = scale.getRightValue(datasets[i].data[index]);
 						if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {
 							start += ivalue;
 						}
 					}
 				}
 			}
 
 			base = scale.getPixelForValue(start);
 			head = scale.getPixelForValue(start + value);
 			size = (head - base) / 2;
 
 			return {
 				size: size,
 				base: base,
 				head: head,
 				center: head + size / 2
 			};
 		},
 
 		/**
 		 * @private
 		 */
 		calculateBarIndexPixels: function(datasetIndex, index, ruler) {
 			var me = this;
 			var options = ruler.scale.options;
 			var range = options.barThickness === 'flex'
 				? computeFlexCategoryTraits(index, ruler, options)
 				: computeFitCategoryTraits(index, ruler, options);
 
 			var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack);
 			var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2);
 			var size = Math.min(
 				helpers.valueOrDefault(options.maxBarThickness, Infinity),
 				range.chunk * range.ratio);
 
 			return {
 				base: center - size / 2,
 				head: center + size / 2,
 				center: center,
 				size: size
 			};
 		},
 
 		draw: function() {
 			var me = this;
 			var chart = me.chart;
 			var scale = me.getValueScale();
 			var rects = me.getMeta().data;
 			var dataset = me.getDataset();
 			var ilen = rects.length;
 			var i = 0;
 
 			helpers.canvas.clipArea(chart.ctx, chart.chartArea);
 
 			for (; i < ilen; ++i) {
 				if (!isNaN(scale.getRightValue(dataset.data[i]))) {
 					rects[i].draw();
 				}
 			}
 
 			helpers.canvas.unclipArea(chart.ctx);
 		},
 	});
 
 	Chart.controllers.horizontalBar = Chart.controllers.bar.extend({
 		/**
 		 * @private
 		 */
 		getValueScaleId: function() {
 			return this.getMeta().xAxisID;
 		},
 
 		/**
 		 * @private
 		 */
 		getIndexScaleId: function() {
 			return this.getMeta().yAxisID;
 		}
 	});
 };
 
 },{"26":26,"41":41,"46":46}],16:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('bubble', {
 	hover: {
 		mode: 'single'
 	},
 
 	scales: {
 		xAxes: [{
 			type: 'linear', // bubble should probably use a linear scale by default
 			position: 'bottom',
 			id: 'x-axis-0' // need an ID so datasets can reference the scale
 		}],
 		yAxes: [{
 			type: 'linear',
 			position: 'left',
 			id: 'y-axis-0'
 		}]
 	},
 
 	tooltips: {
 		callbacks: {
 			title: function() {
 				// Title doesn't make sense for scatter since we format the data as a point
 				return '';
 			},
 			label: function(item, data) {
 				var datasetLabel = data.datasets[item.datasetIndex].label || '';
 				var dataPoint = data.datasets[item.datasetIndex].data[item.index];
 				return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
 			}
 		}
 	}
 });
 
 
 module.exports = function(Chart) {
 
 	Chart.controllers.bubble = Chart.DatasetController.extend({
 		/**
 		 * @protected
 		 */
 		dataElementType: elements.Point,
 
 		/**
 		 * @protected
 		 */
 		update: function(reset) {
 			var me = this;
 			var meta = me.getMeta();
 			var points = meta.data;
 
 			// Update Points
 			helpers.each(points, function(point, index) {
 				me.updateElement(point, index, reset);
 			});
 		},
 
 		/**
 		 * @protected
 		 */
 		updateElement: function(point, index, reset) {
 			var me = this;
 			var meta = me.getMeta();
 			var custom = point.custom || {};
 			var xScale = me.getScaleForId(meta.xAxisID);
 			var yScale = me.getScaleForId(meta.yAxisID);
 			var options = me._resolveElementOptions(point, index);
 			var data = me.getDataset().data[index];
 			var dsIndex = me.index;
 
 			var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
 			var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
 
 			point._xScale = xScale;
 			point._yScale = yScale;
 			point._options = options;
 			point._datasetIndex = dsIndex;
 			point._index = index;
 			point._model = {
 				backgroundColor: options.backgroundColor,
 				borderColor: options.borderColor,
 				borderWidth: options.borderWidth,
 				hitRadius: options.hitRadius,
 				pointStyle: options.pointStyle,
 				rotation: options.rotation,
 				radius: reset ? 0 : options.radius,
 				skip: custom.skip || isNaN(x) || isNaN(y),
 				x: x,
 				y: y,
 			};
 
 			point.pivot();
 		},
 
 		/**
 		 * @protected
 		 */
 		setHoverStyle: function(point) {
 			var model = point._model;
 			var options = point._options;
 			point.$previousStyle = {
 				backgroundColor: model.backgroundColor,
 				borderColor: model.borderColor,
 				borderWidth: model.borderWidth,
 				radius: model.radius
 			};
 			model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));
 			model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));
 			model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);
 			model.radius = options.radius + options.hoverRadius;
 		},
 
 		/**
 		 * @private
 		 */
 		_resolveElementOptions: function(point, index) {
 			var me = this;
 			var chart = me.chart;
 			var datasets = chart.data.datasets;
 			var dataset = datasets[me.index];
 			var custom = point.custom || {};
 			var options = chart.options.elements.point;
 			var resolve = helpers.options.resolve;
 			var data = dataset.data[index];
 			var values = {};
 			var i, ilen, key;
 
 			// Scriptable options
 			var context = {
 				chart: chart,
 				dataIndex: index,
 				dataset: dataset,
 				datasetIndex: me.index
 			};
 
 			var keys = [
 				'backgroundColor',
 				'borderColor',
 				'borderWidth',
 				'hoverBackgroundColor',
 				'hoverBorderColor',
 				'hoverBorderWidth',
 				'hoverRadius',
 				'hitRadius',
 				'pointStyle',
 				'rotation'
 			];
 
 			for (i = 0, ilen = keys.length; i < ilen; ++i) {
 				key = keys[i];
 				values[key] = resolve([
 					custom[key],
 					dataset[key],
 					options[key]
 				], context, index);
 			}
 
 			// Custom radius resolution
 			values.radius = resolve([
 				custom.radius,
 				data ? data.r : undefined,
 				dataset.radius,
 				options.radius
 			], context, index);
 			return values;
 		}
 	});
 };
 
 },{"26":26,"41":41,"46":46}],17:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('doughnut', {
 	animation: {
 		// Boolean - Whether we animate the rotation of the Doughnut
 		animateRotate: true,
 		// Boolean - Whether we animate scaling the Doughnut from the centre
 		animateScale: false
 	},
 	hover: {
 		mode: 'single'
 	},
 	legendCallback: function(chart) {
 		var text = [];
 		text.push('<ul class="' + chart.id + '-legend">');
 
 		var data = chart.data;
 		var datasets = data.datasets;
 		var labels = data.labels;
 
 		if (datasets.length) {
 			for (var i = 0; i < datasets[0].data.length; ++i) {
 				text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>');
 				if (labels[i]) {
 					text.push(labels[i]);
 				}
 				text.push('</li>');
 			}
 		}
 
 		text.push('</ul>');
 		return text.join('');
 	},
 	legend: {
 		labels: {
 			generateLabels: function(chart) {
 				var data = chart.data;
 				if (data.labels.length && data.datasets.length) {
 					return data.labels.map(function(label, i) {
 						var meta = chart.getDatasetMeta(0);
 						var ds = data.datasets[0];
 						var arc = meta.data[i];
 						var custom = arc && arc.custom || {};
 						var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
 						var arcOpts = chart.options.elements.arc;
 						var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
 						var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
 						var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);
 
 						return {
 							text: label,
 							fillStyle: fill,
 							strokeStyle: stroke,
 							lineWidth: bw,
 							hidden: isNaN(ds.data[i]) || meta.data[i].hidden,
 
 							// Extra data used for toggling the correct item
 							index: i
 						};
 					});
 				}
 				return [];
 			}
 		},
 
 		onClick: function(e, legendItem) {
 			var index = legendItem.index;
 			var chart = this.chart;
 			var i, ilen, meta;
 
 			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
 				meta = chart.getDatasetMeta(i);
 				// toggle visibility of index if exists
 				if (meta.data[index]) {
 					meta.data[index].hidden = !meta.data[index].hidden;
 				}
 			}
 
 			chart.update();
 		}
 	},
 
 	// The percentage of the chart that we cut out of the middle.
 	cutoutPercentage: 50,
 
 	// The rotation of the chart, where the first data arc begins.
 	rotation: Math.PI * -0.5,
 
 	// The total circumference of the chart.
 	circumference: Math.PI * 2.0,
 
 	// Need to override these to give a nice default
 	tooltips: {
 		callbacks: {
 			title: function() {
 				return '';
 			},
 			label: function(tooltipItem, data) {
 				var dataLabel = data.labels[tooltipItem.index];
 				var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
 
 				if (helpers.isArray(dataLabel)) {
 					// show value on first line of multiline label
 					// need to clone because we are changing the value
 					dataLabel = dataLabel.slice();
 					dataLabel[0] += value;
 				} else {
 					dataLabel += value;
 				}
 
 				return dataLabel;
 			}
 		}
 	}
 });
 
 defaults._set('pie', helpers.clone(defaults.doughnut));
 defaults._set('pie', {
 	cutoutPercentage: 0
 });
 
 module.exports = function(Chart) {
 
 	Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({
 
 		dataElementType: elements.Arc,
 
 		linkScales: helpers.noop,
 
 		// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
 		getRingIndex: function(datasetIndex) {
 			var ringIndex = 0;
 
 			for (var j = 0; j < datasetIndex; ++j) {
 				if (this.chart.isDatasetVisible(j)) {
 					++ringIndex;
 				}
 			}
 
 			return ringIndex;
 		},
 
 		update: function(reset) {
 			var me = this;
 			var chart = me.chart;
 			var chartArea = chart.chartArea;
 			var opts = chart.options;
 			var arcOpts = opts.elements.arc;
 			var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;
 			var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;
 			var minSize = Math.min(availableWidth, availableHeight);
 			var offset = {x: 0, y: 0};
 			var meta = me.getMeta();
 			var cutoutPercentage = opts.cutoutPercentage;
 			var circumference = opts.circumference;
 
 			// If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc
 			if (circumference < Math.PI * 2.0) {
 				var startAngle = opts.rotation % (Math.PI * 2.0);
 				startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);
 				var endAngle = startAngle + circumference;
 				var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};
 				var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};
 				var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);
 				var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);
 				var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);
 				var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);
 				var cutout = cutoutPercentage / 100.0;
 				var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))};
 				var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))};
 				var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5};
 				minSize = Math.min(availableWidth / size.width, availableHeight / size.height);
 				offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5};
 			}
 
 			chart.borderWidth = me.getMaxBorderWidth(meta.data);
 			chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0);
 			chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0);
 			chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
 			chart.offsetX = offset.x * chart.outerRadius;
 			chart.offsetY = offset.y * chart.outerRadius;
 
 			meta.total = me.calculateTotal();
 
 			me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index));
 			me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0);
 
 			helpers.each(meta.data, function(arc, index) {
 				me.updateElement(arc, index, reset);
 			});
 		},
 
 		updateElement: function(arc, index, reset) {
 			var me = this;
 			var chart = me.chart;
 			var chartArea = chart.chartArea;
 			var opts = chart.options;
 			var animationOpts = opts.animation;
 			var centerX = (chartArea.left + chartArea.right) / 2;
 			var centerY = (chartArea.top + chartArea.bottom) / 2;
 			var startAngle = opts.rotation; // non reset case handled later
 			var endAngle = opts.rotation; // non reset case handled later
 			var dataset = me.getDataset();
 			var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));
 			var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
 			var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
 			var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
 
 			helpers.extend(arc, {
 				// Utility
 				_datasetIndex: me.index,
 				_index: index,
 
 				// Desired view properties
 				_model: {
 					x: centerX + chart.offsetX,
 					y: centerY + chart.offsetY,
 					startAngle: startAngle,
 					endAngle: endAngle,
 					circumference: circumference,
 					outerRadius: outerRadius,
 					innerRadius: innerRadius,
 					label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index])
 				}
 			});
 
 			var model = arc._model;
 
 			// Resets the visual styles
 			var custom = arc.custom || {};
 			var valueOrDefault = helpers.valueAtIndexOrDefault;
 			var elementOpts = this.chart.options.elements.arc;
 			model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);
 			model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);
 			model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);
 
 			// Set correct angles if not resetting
 			if (!reset || !animationOpts.animateRotate) {
 				if (index === 0) {
 					model.startAngle = opts.rotation;
 				} else {
 					model.startAngle = me.getMeta().data[index - 1]._model.endAngle;
 				}
 
 				model.endAngle = model.startAngle + model.circumference;
 			}
 
 			arc.pivot();
 		},
 
 		calculateTotal: function() {
 			var dataset = this.getDataset();
 			var meta = this.getMeta();
 			var total = 0;
 			var value;
 
 			helpers.each(meta.data, function(element, index) {
 				value = dataset.data[index];
 				if (!isNaN(value) && !element.hidden) {
 					total += Math.abs(value);
 				}
 			});
 
 			/* if (total === 0) {
 				total = NaN;
 			}*/
 
 			return total;
 		},
 
 		calculateCircumference: function(value) {
 			var total = this.getMeta().total;
 			if (total > 0 && !isNaN(value)) {
 				return (Math.PI * 2.0) * (Math.abs(value) / total);
 			}
 			return 0;
 		},
 
 		// gets the max border or hover width to properly scale pie charts
 		getMaxBorderWidth: function(arcs) {
 			var max = 0;
 			var index = this.index;
 			var length = arcs.length;
 			var borderWidth;
 			var hoverWidth;
 
 			for (var i = 0; i < length; i++) {
 				borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;
 				hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;
 
 				max = borderWidth > max ? borderWidth : max;
 				max = hoverWidth > max ? hoverWidth : max;
 			}
 			return max;
 		}
 	});
 };
 
 },{"26":26,"41":41,"46":46}],18:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('line', {
 	showLines: true,
 	spanGaps: false,
 
 	hover: {
 		mode: 'label'
 	},
 
 	scales: {
 		xAxes: [{
 			type: 'category',
 			id: 'x-axis-0'
 		}],
 		yAxes: [{
 			type: 'linear',
 			id: 'y-axis-0'
 		}]
 	}
 });
 
 module.exports = function(Chart) {
 
 	function lineEnabled(dataset, options) {
 		return helpers.valueOrDefault(dataset.showLine, options.showLines);
 	}
 
 	Chart.controllers.line = Chart.DatasetController.extend({
 
 		datasetElementType: elements.Line,
 
 		dataElementType: elements.Point,
 
 		update: function(reset) {
 			var me = this;
 			var meta = me.getMeta();
 			var line = meta.dataset;
 			var points = meta.data || [];
 			var options = me.chart.options;
 			var lineElementOptions = options.elements.line;
 			var scale = me.getScaleForId(meta.yAxisID);
 			var i, ilen, custom;
 			var dataset = me.getDataset();
 			var showLine = lineEnabled(dataset, options);
 
 			// Update Line
 			if (showLine) {
 				custom = line.custom || {};
 
 				// Compatibility: If the properties are defined with only the old name, use those values
 				if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {
 					dataset.lineTension = dataset.tension;
 				}
 
 				// Utility
 				line._scale = scale;
 				line._datasetIndex = me.index;
 				// Data
 				line._children = points;
 				// Model
 				line._model = {
 					// Appearance
 					// The default behavior of lines is to break at null values, according
 					// to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158
 					// This option gives lines the ability to span gaps
 					spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps,
 					tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),
 					backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),
 					borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),
 					borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),
 					borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),
 					borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),
 					borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),
 					borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),
 					fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),
 					steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),
 					cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),
 				};
 
 				line.pivot();
 			}
 
 			// Update Points
 			for (i = 0, ilen = points.length; i < ilen; ++i) {
 				me.updateElement(points[i], i, reset);
 			}
 
 			if (showLine && line._model.tension !== 0) {
 				me.updateBezierControlPoints();
 			}
 
 			// Now pivot the point for animation
 			for (i = 0, ilen = points.length; i < ilen; ++i) {
 				points[i].pivot();
 			}
 		},
 
 		getPointBackgroundColor: function(point, index) {
 			var backgroundColor = this.chart.options.elements.point.backgroundColor;
 			var dataset = this.getDataset();
 			var custom = point.custom || {};
 
 			if (custom.backgroundColor) {
 				backgroundColor = custom.backgroundColor;
 			} else if (dataset.pointBackgroundColor) {
 				backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);
 			} else if (dataset.backgroundColor) {
 				backgroundColor = dataset.backgroundColor;
 			}
 
 			return backgroundColor;
 		},
 
 		getPointBorderColor: function(point, index) {
 			var borderColor = this.chart.options.elements.point.borderColor;
 			var dataset = this.getDataset();
 			var custom = point.custom || {};
 
 			if (custom.borderColor) {
 				borderColor = custom.borderColor;
 			} else if (dataset.pointBorderColor) {
 				borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor);
 			} else if (dataset.borderColor) {
 				borderColor = dataset.borderColor;
 			}
 
 			return borderColor;
 		},
 
 		getPointBorderWidth: function(point, index) {
 			var borderWidth = this.chart.options.elements.point.borderWidth;
 			var dataset = this.getDataset();
 			var custom = point.custom || {};
 
 			if (!isNaN(custom.borderWidth)) {
 				borderWidth = custom.borderWidth;
 			} else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) {
 				borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);
 			} else if (!isNaN(dataset.borderWidth)) {
 				borderWidth = dataset.borderWidth;
 			}
 
 			return borderWidth;
 		},
 
 		getPointRotation: function(point, index) {
 			var pointRotation = this.chart.options.elements.point.rotation;
 			var dataset = this.getDataset();
 			var custom = point.custom || {};
 
 			if (!isNaN(custom.rotation)) {
 				pointRotation = custom.rotation;
 			} else if (!isNaN(dataset.pointRotation) || helpers.isArray(dataset.pointRotation)) {
 				pointRotation = helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointRotation);
 			}
 			return pointRotation;
 		},
 
 		updateElement: function(point, index, reset) {
 			var me = this;
 			var meta = me.getMeta();
 			var custom = point.custom || {};
 			var dataset = me.getDataset();
 			var datasetIndex = me.index;
 			var value = dataset.data[index];
 			var yScale = me.getScaleForId(meta.yAxisID);
 			var xScale = me.getScaleForId(meta.xAxisID);
 			var pointOptions = me.chart.options.elements.point;
 			var x, y;
 
 			// Compatibility: If the properties are defined with only the old name, use those values
 			if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {
 				dataset.pointRadius = dataset.radius;
 			}
 			if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {
 				dataset.pointHitRadius = dataset.hitRadius;
 			}
 
 			x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex);
 			y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex);
 
 			// Utility
 			point._xScale = xScale;
 			point._yScale = yScale;
 			point._datasetIndex = datasetIndex;
 			point._index = index;
 
 			// Desired view properties
 			point._model = {
 				x: x,
 				y: y,
 				skip: custom.skip || isNaN(x) || isNaN(y),
 				// Appearance
 				radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),
 				pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle),
 				rotation: me.getPointRotation(point, index),
 				backgroundColor: me.getPointBackgroundColor(point, index),
 				borderColor: me.getPointBorderColor(point, index),
 				borderWidth: me.getPointBorderWidth(point, index),
 				tension: meta.dataset._model ? meta.dataset._model.tension : 0,
 				steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false,
 				// Tooltip
 				hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius)
 			};
 		},
 
 		calculatePointY: function(value, index, datasetIndex) {
 			var me = this;
 			var chart = me.chart;
 			var meta = me.getMeta();
 			var yScale = me.getScaleForId(meta.yAxisID);
 			var sumPos = 0;
 			var sumNeg = 0;
 			var i, ds, dsMeta;
 
 			if (yScale.options.stacked) {
 				for (i = 0; i < datasetIndex; i++) {
 					ds = chart.data.datasets[i];
 					dsMeta = chart.getDatasetMeta(i);
 					if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) {
 						var stackedRightValue = Number(yScale.getRightValue(ds.data[index]));
 						if (stackedRightValue < 0) {
 							sumNeg += stackedRightValue || 0;
 						} else {
 							sumPos += stackedRightValue || 0;
 						}
 					}
 				}
 
 				var rightValue = Number(yScale.getRightValue(value));
 				if (rightValue < 0) {
 					return yScale.getPixelForValue(sumNeg + rightValue);
 				}
 				return yScale.getPixelForValue(sumPos + rightValue);
 			}
 
 			return yScale.getPixelForValue(value);
 		},
 
 		updateBezierControlPoints: function() {
 			var me = this;
 			var meta = me.getMeta();
 			var area = me.chart.chartArea;
 			var points = (meta.data || []);
 			var i, ilen, point, model, controlPoints;
 
 			// Only consider points that are drawn in case the spanGaps option is used
 			if (meta.dataset._model.spanGaps) {
 				points = points.filter(function(pt) {
 					return !pt._model.skip;
 				});
 			}
 
 			function capControlPoint(pt, min, max) {
 				return Math.max(Math.min(pt, max), min);
 			}
 
 			if (meta.dataset._model.cubicInterpolationMode === 'monotone') {
 				helpers.splineCurveMonotone(points);
 			} else {
 				for (i = 0, ilen = points.length; i < ilen; ++i) {
 					point = points[i];
 					model = point._model;
 					controlPoints = helpers.splineCurve(
 						helpers.previousItem(points, i)._model,
 						model,
 						helpers.nextItem(points, i)._model,
 						meta.dataset._model.tension
 					);
 					model.controlPointPreviousX = controlPoints.previous.x;
 					model.controlPointPreviousY = controlPoints.previous.y;
 					model.controlPointNextX = controlPoints.next.x;
 					model.controlPointNextY = controlPoints.next.y;
 				}
 			}
 
 			if (me.chart.options.elements.line.capBezierPoints) {
 				for (i = 0, ilen = points.length; i < ilen; ++i) {
 					model = points[i]._model;
 					model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right);
 					model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom);
 					model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right);
 					model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom);
 				}
 			}
 		},
 
 		draw: function() {
 			var me = this;
 			var chart = me.chart;
 			var meta = me.getMeta();
 			var points = meta.data || [];
 			var area = chart.chartArea;
 			var ilen = points.length;
 			var halfBorderWidth;
 			var i = 0;
 
 			if (lineEnabled(me.getDataset(), chart.options)) {
 				halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2;
 
 				helpers.canvas.clipArea(chart.ctx, {
 					left: area.left,
 					right: area.right,
 					top: area.top - halfBorderWidth,
 					bottom: area.bottom + halfBorderWidth
 				});
 
 				meta.dataset.draw();
 
 				helpers.canvas.unclipArea(chart.ctx);
 			}
 
 			// Draw the points
 			for (; i < ilen; ++i) {
 				points[i].draw(area);
 			}
 		},
 
 		setHoverStyle: function(element) {
 			// Point
 			var dataset = this.chart.data.datasets[element._datasetIndex];
 			var index = element._index;
 			var custom = element.custom || {};
 			var model = element._model;
 
 			element.$previousStyle = {
 				backgroundColor: model.backgroundColor,
 				borderColor: model.borderColor,
 				borderWidth: model.borderWidth,
 				radius: model.radius
 			};
 
 			model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
 			model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));
 			model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);
 			model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
 		},
 	});
 };
 
 },{"26":26,"41":41,"46":46}],19:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('polarArea', {
 	scale: {
 		type: 'radialLinear',
 		angleLines: {
 			display: false
 		},
 		gridLines: {
 			circular: true
 		},
 		pointLabels: {
 			display: false
 		},
 		ticks: {
 			beginAtZero: true
 		}
 	},
 
 	// Boolean - Whether to animate the rotation of the chart
 	animation: {
 		animateRotate: true,
 		animateScale: true
 	},
 
 	startAngle: -0.5 * Math.PI,
 	legendCallback: function(chart) {
 		var text = [];
 		text.push('<ul class="' + chart.id + '-legend">');
 
 		var data = chart.data;
 		var datasets = data.datasets;
 		var labels = data.labels;
 
 		if (datasets.length) {
 			for (var i = 0; i < datasets[0].data.length; ++i) {
 				text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>');
 				if (labels[i]) {
 					text.push(labels[i]);
 				}
 				text.push('</li>');
 			}
 		}
 
 		text.push('</ul>');
 		return text.join('');
 	},
 	legend: {
 		labels: {
 			generateLabels: function(chart) {
 				var data = chart.data;
 				if (data.labels.length && data.datasets.length) {
 					return data.labels.map(function(label, i) {
 						var meta = chart.getDatasetMeta(0);
 						var ds = data.datasets[0];
 						var arc = meta.data[i];
 						var custom = arc.custom || {};
 						var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
 						var arcOpts = chart.options.elements.arc;
 						var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
 						var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
 						var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth);
 
 						return {
 							text: label,
 							fillStyle: fill,
 							strokeStyle: stroke,
 							lineWidth: bw,
 							hidden: isNaN(ds.data[i]) || meta.data[i].hidden,
 
 							// Extra data used for toggling the correct item
 							index: i
 						};
 					});
 				}
 				return [];
 			}
 		},
 
 		onClick: function(e, legendItem) {
 			var index = legendItem.index;
 			var chart = this.chart;
 			var i, ilen, meta;
 
 			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
 				meta = chart.getDatasetMeta(i);
 				meta.data[index].hidden = !meta.data[index].hidden;
 			}
 
 			chart.update();
 		}
 	},
 
 	// Need to override these to give a nice default
 	tooltips: {
 		callbacks: {
 			title: function() {
 				return '';
 			},
 			label: function(item, data) {
 				return data.labels[item.index] + ': ' + item.yLabel;
 			}
 		}
 	}
 });
 
 module.exports = function(Chart) {
 
 	Chart.controllers.polarArea = Chart.DatasetController.extend({
 
 		dataElementType: elements.Arc,
 
 		linkScales: helpers.noop,
 
 		update: function(reset) {
 			var me = this;
 			var dataset = me.getDataset();
 			var meta = me.getMeta();
 			var start = me.chart.options.startAngle || 0;
 			var starts = me._starts = [];
 			var angles = me._angles = [];
 			var i, ilen, angle;
 
 			me._updateRadius();
 
 			meta.count = me.countVisibleElements();
 
 			for (i = 0, ilen = dataset.data.length; i < ilen; i++) {
 				starts[i] = start;
 				angle = me._computeAngle(i);
 				angles[i] = angle;
 				start += angle;
 			}
 
 			helpers.each(meta.data, function(arc, index) {
 				me.updateElement(arc, index, reset);
 			});
 		},
 
 		/**
 		 * @private
 		 */
 		_updateRadius: function() {
 			var me = this;
 			var chart = me.chart;
 			var chartArea = chart.chartArea;
 			var opts = chart.options;
 			var arcOpts = opts.elements.arc;
 			var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top);
 
 			chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0);
 			chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0);
 			chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount();
 
 			me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index);
 			me.innerRadius = me.outerRadius - chart.radiusLength;
 		},
 
 		updateElement: function(arc, index, reset) {
 			var me = this;
 			var chart = me.chart;
 			var dataset = me.getDataset();
 			var opts = chart.options;
 			var animationOpts = opts.animation;
 			var scale = chart.scale;
 			var labels = chart.data.labels;
 
 			var centerX = scale.xCenter;
 			var centerY = scale.yCenter;
 
 			// var negHalfPI = -0.5 * Math.PI;
 			var datasetStartAngle = opts.startAngle;
 			var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
 			var startAngle = me._starts[index];
 			var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]);
 
 			var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]);
 
 			helpers.extend(arc, {
 				// Utility
 				_datasetIndex: me.index,
 				_index: index,
 				_scale: scale,
 
 				// Desired view properties
 				_model: {
 					x: centerX,
 					y: centerY,
 					innerRadius: 0,
 					outerRadius: reset ? resetRadius : distance,
 					startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle,
 					endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle,
 					label: helpers.valueAtIndexOrDefault(labels, index, labels[index])
 				}
 			});
 
 			// Apply border and fill style
 			var elementOpts = this.chart.options.elements.arc;
 			var custom = arc.custom || {};
 			var valueOrDefault = helpers.valueAtIndexOrDefault;
 			var model = arc._model;
 
 			model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor);
 			model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor);
 			model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth);
 
 			arc.pivot();
 		},
 
 		countVisibleElements: function() {
 			var dataset = this.getDataset();
 			var meta = this.getMeta();
 			var count = 0;
 
 			helpers.each(meta.data, function(element, index) {
 				if (!isNaN(dataset.data[index]) && !element.hidden) {
 					count++;
 				}
 			});
 
 			return count;
 		},
 
 		/**
 		 * @private
 		 */
 		_computeAngle: function(index) {
 			var me = this;
 			var count = this.getMeta().count;
 			var dataset = me.getDataset();
 			var meta = me.getMeta();
 
 			if (isNaN(dataset.data[index]) || meta.data[index].hidden) {
 				return 0;
 			}
 
 			// Scriptable options
 			var context = {
 				chart: me.chart,
 				dataIndex: index,
 				dataset: dataset,
 				datasetIndex: me.index
 			};
 
 			return helpers.options.resolve([
 				me.chart.options.elements.arc.angle,
 				(2 * Math.PI) / count
 			], context, index);
 		}
 	});
 };
 
 },{"26":26,"41":41,"46":46}],20:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('radar', {
 	scale: {
 		type: 'radialLinear'
 	},
 	elements: {
 		line: {
 			tension: 0 // no bezier in radar
 		}
 	}
 });
 
 module.exports = function(Chart) {
 
 	Chart.controllers.radar = Chart.DatasetController.extend({
 
 		datasetElementType: elements.Line,
 
 		dataElementType: elements.Point,
 
 		linkScales: helpers.noop,
 
 		update: function(reset) {
 			var me = this;
 			var meta = me.getMeta();
 			var line = meta.dataset;
 			var points = meta.data;
 			var custom = line.custom || {};
 			var dataset = me.getDataset();
 			var lineElementOptions = me.chart.options.elements.line;
 			var scale = me.chart.scale;
 
 			// Compatibility: If the properties are defined with only the old name, use those values
 			if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) {
 				dataset.lineTension = dataset.tension;
 			}
 
 			helpers.extend(meta.dataset, {
 				// Utility
 				_datasetIndex: me.index,
 				_scale: scale,
 				// Data
 				_children: points,
 				_loop: true,
 				// Model
 				_model: {
 					// Appearance
 					tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension),
 					backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor),
 					borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth),
 					borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor),
 					fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill),
 					borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle),
 					borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash),
 					borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset),
 					borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle),
 				}
 			});
 
 			meta.dataset.pivot();
 
 			// Update Points
 			helpers.each(points, function(point, index) {
 				me.updateElement(point, index, reset);
 			}, me);
 
 			// Update bezier control points
 			me.updateBezierControlPoints();
 		},
 		updateElement: function(point, index, reset) {
 			var me = this;
 			var custom = point.custom || {};
 			var dataset = me.getDataset();
 			var scale = me.chart.scale;
 			var pointElementOptions = me.chart.options.elements.point;
 			var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]);
 
 			// Compatibility: If the properties are defined with only the old name, use those values
 			if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) {
 				dataset.pointRadius = dataset.radius;
 			}
 			if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) {
 				dataset.pointHitRadius = dataset.hitRadius;
 			}
 
 			helpers.extend(point, {
 				// Utility
 				_datasetIndex: me.index,
 				_index: index,
 				_scale: scale,
 
 				// Desired view properties
 				_model: {
 					x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales
 					y: reset ? scale.yCenter : pointPosition.y,
 
 					// Appearance
 					tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),
 					radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),
 					backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),
 					borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),
 					borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),
 					pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),
 					rotation: custom.rotation ? custom.rotation : helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointElementOptions.rotation),
 
 					// Tooltip
 					hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius)
 				}
 			});
 
 			point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
 		},
 		updateBezierControlPoints: function() {
 			var chartArea = this.chart.chartArea;
 			var meta = this.getMeta();
 
 			helpers.each(meta.data, function(point, index) {
 				var model = point._model;
 				var controlPoints = helpers.splineCurve(
 					helpers.previousItem(meta.data, index, true)._model,
 					model,
 					helpers.nextItem(meta.data, index, true)._model,
 					model.tension
 				);
 
 				// Prevent the bezier going outside of the bounds of the graph
 				model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left);
 				model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top);
 
 				model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left);
 				model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top);
 
 				// Now pivot the point for animation
 				point.pivot();
 			});
 		},
 
 		setHoverStyle: function(point) {
 			// Point
 			var dataset = this.chart.data.datasets[point._datasetIndex];
 			var custom = point.custom || {};
 			var index = point._index;
 			var model = point._model;
 
 			point.$previousStyle = {
 				backgroundColor: model.backgroundColor,
 				borderColor: model.borderColor,
 				borderWidth: model.borderWidth,
 				radius: model.radius
 			};
 
 			model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
 			model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
 			model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));
 			model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth);
 		},
 	});
 };
 
 },{"26":26,"41":41,"46":46}],21:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 
 defaults._set('scatter', {
 	hover: {
 		mode: 'single'
 	},
 
 	scales: {
 		xAxes: [{
 			id: 'x-axis-1',    // need an ID so datasets can reference the scale
 			type: 'linear',    // scatter should not use a category axis
 			position: 'bottom'
 		}],
 		yAxes: [{
 			id: 'y-axis-1',
 			type: 'linear',
 			position: 'left'
 		}]
 	},
 
 	showLines: false,
 
 	tooltips: {
 		callbacks: {
 			title: function() {
 				return '';     // doesn't make sense for scatter since data are formatted as a point
 			},
 			label: function(item) {
 				return '(' + item.xLabel + ', ' + item.yLabel + ')';
 			}
 		}
 	}
 });
 
 module.exports = function(Chart) {
 
 	// Scatter charts use line controllers
 	Chart.controllers.scatter = Chart.controllers.line;
 
 };
 
 },{"26":26}],22:[function(require,module,exports){
 'use strict';
 
 var Element = require(27);
 
 var exports = module.exports = Element.extend({
 	chart: null, // the animation associated chart instance
 	currentStep: 0, // the current animation step
 	numSteps: 60, // default number of steps
 	easing: '', // the easing to use for this animation
 	render: null, // render function used by the animation service
 
 	onAnimationProgress: null, // user specified callback to fire on each step of the animation
 	onAnimationComplete: null, // user specified callback to fire when the animation finishes
 });
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, use Chart.Animation instead
  * @prop Chart.Animation#animationObject
  * @deprecated since version 2.6.0
  * @todo remove at version 3
  */
 Object.defineProperty(exports.prototype, 'animationObject', {
 	get: function() {
 		return this;
 	}
 });
 
 /**
  * Provided for backward compatibility, use Chart.Animation#chart instead
  * @prop Chart.Animation#chartInstance
  * @deprecated since version 2.6.0
  * @todo remove at version 3
  */
 Object.defineProperty(exports.prototype, 'chartInstance', {
 	get: function() {
 		return this.chart;
 	},
 	set: function(value) {
 		this.chart = value;
 	}
 });
 
 },{"27":27}],23:[function(require,module,exports){
 /* global window: false */
 'use strict';
 
 var defaults = require(26);
 var helpers = require(46);
 
 defaults._set('global', {
 	animation: {
 		duration: 1000,
 		easing: 'easeOutQuart',
 		onProgress: helpers.noop,
 		onComplete: helpers.noop
 	}
 });
 
 module.exports = {
 	frameDuration: 17,
 	animations: [],
 	dropFrames: 0,
 	request: null,
 
 	/**
 	 * @param {Chart} chart - The chart to animate.
 	 * @param {Chart.Animation} animation - The animation that we will animate.
 	 * @param {Number} duration - The animation duration in ms.
 	 * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
 	 */
 	addAnimation: function(chart, animation, duration, lazy) {
 		var animations = this.animations;
 		var i, ilen;
 
 		animation.chart = chart;
 
 		if (!lazy) {
 			chart.animating = true;
 		}
 
 		for (i = 0, ilen = animations.length; i < ilen; ++i) {
 			if (animations[i].chart === chart) {
 				animations[i] = animation;
 				return;
 			}
 		}
 
 		animations.push(animation);
 
 		// If there are no animations queued, manually kickstart a digest, for lack of a better word
 		if (animations.length === 1) {
 			this.requestAnimationFrame();
 		}
 	},
 
 	cancelAnimation: function(chart) {
 		var index = helpers.findIndex(this.animations, function(animation) {
 			return animation.chart === chart;
 		});
 
 		if (index !== -1) {
 			this.animations.splice(index, 1);
 			chart.animating = false;
 		}
 	},
 
 	requestAnimationFrame: function() {
 		var me = this;
 		if (me.request === null) {
 			// Skip animation frame requests until the active one is executed.
 			// This can happen when processing mouse events, e.g. 'mousemove'
 			// and 'mouseout' events will trigger multiple renders.
 			me.request = helpers.requestAnimFrame.call(window, function() {
 				me.request = null;
 				me.startDigest();
 			});
 		}
 	},
 
 	/**
 	 * @private
 	 */
 	startDigest: function() {
 		var me = this;
 		var startTime = Date.now();
 		var framesToDrop = 0;
 
 		if (me.dropFrames > 1) {
 			framesToDrop = Math.floor(me.dropFrames);
 			me.dropFrames = me.dropFrames % 1;
 		}
 
 		me.advance(1 + framesToDrop);
 
 		var endTime = Date.now();
 
 		me.dropFrames += (endTime - startTime) / me.frameDuration;
 
 		// Do we have more stuff to animate?
 		if (me.animations.length > 0) {
 			me.requestAnimationFrame();
 		}
 	},
 
 	/**
 	 * @private
 	 */
 	advance: function(count) {
 		var animations = this.animations;
 		var animation, chart;
 		var i = 0;
 
 		while (i < animations.length) {
 			animation = animations[i];
 			chart = animation.chart;
 
 			animation.currentStep = (animation.currentStep || 0) + count;
 			animation.currentStep = Math.min(animation.currentStep, animation.numSteps);
 
 			helpers.callback(animation.render, [chart, animation], chart);
 			helpers.callback(animation.onAnimationProgress, [animation], chart);
 
 			if (animation.currentStep >= animation.numSteps) {
 				helpers.callback(animation.onAnimationComplete, [animation], chart);
 				chart.animating = false;
 				animations.splice(i, 1);
 			} else {
 				++i;
 			}
 		}
 	}
 };
 
 },{"26":26,"46":46}],24:[function(require,module,exports){
 'use strict';
 
 var Animation = require(22);
 var animations = require(23);
 var defaults = require(26);
 var helpers = require(46);
 var Interaction = require(29);
 var layouts = require(31);
 var platform = require(49);
 var plugins = require(32);
 var scaleService = require(34);
 var Tooltip = require(36);
 
 module.exports = function(Chart) {
 
 	// Create a dictionary of chart types, to allow for extension of existing types
 	Chart.types = {};
 
 	// Store a reference to each instance - allowing us to globally resize chart instances on window resize.
 	// Destroy method on the chart will remove the instance of the chart from this reference.
 	Chart.instances = {};
 
 	// Controllers available for dataset visualization eg. bar, line, slice, etc.
 	Chart.controllers = {};
 
 	/**
 	 * Initializes the given config with global and chart default values.
 	 */
 	function initConfig(config) {
 		config = config || {};
 
 		// Do NOT use configMerge() for the data object because this method merges arrays
 		// and so would change references to labels and datasets, preventing data updates.
 		var data = config.data = config.data || {};
 		data.datasets = data.datasets || [];
 		data.labels = data.labels || [];
 
 		config.options = helpers.configMerge(
 			defaults.global,
 			defaults[config.type],
 			config.options || {});
 
 		return config;
 	}
 
 	/**
 	 * Updates the config of the chart
 	 * @param chart {Chart} chart to update the options for
 	 */
 	function updateConfig(chart) {
 		var newOptions = chart.options;
 
 		helpers.each(chart.scales, function(scale) {
 			layouts.removeBox(chart, scale);
 		});
 
 		newOptions = helpers.configMerge(
 			Chart.defaults.global,
 			Chart.defaults[chart.config.type],
 			newOptions);
 
 		chart.options = chart.config.options = newOptions;
 		chart.ensureScalesHaveIDs();
 		chart.buildOrUpdateScales();
 		// Tooltip
 		chart.tooltip._options = newOptions.tooltips;
 		chart.tooltip.initialize();
 	}
 
 	function positionIsHorizontal(position) {
 		return position === 'top' || position === 'bottom';
 	}
 
 	helpers.extend(Chart.prototype, /** @lends Chart */ {
 		/**
 		 * @private
 		 */
 		construct: function(item, config) {
 			var me = this;
 
 			config = initConfig(config);
 
 			var context = platform.acquireContext(item, config);
 			var canvas = context && context.canvas;
 			var height = canvas && canvas.height;
 			var width = canvas && canvas.width;
 
 			me.id = helpers.uid();
 			me.ctx = context;
 			me.canvas = canvas;
 			me.config = config;
 			me.width = width;
 			me.height = height;
 			me.aspectRatio = height ? width / height : null;
 			me.options = config.options;
 			me._bufferedRender = false;
 
 			/**
 			 * Provided for backward compatibility, Chart and Chart.Controller have been merged,
 			 * the "instance" still need to be defined since it might be called from plugins.
 			 * @prop Chart#chart
 			 * @deprecated since version 2.6.0
 			 * @todo remove at version 3
 			 * @private
 			 */
 			me.chart = me;
 			me.controller = me; // chart.chart.controller #inception
 
 			// Add the chart instance to the global namespace
 			Chart.instances[me.id] = me;
 
 			// Define alias to the config data: `chart.data === chart.config.data`
 			Object.defineProperty(me, 'data', {
 				get: function() {
 					return me.config.data;
 				},
 				set: function(value) {
 					me.config.data = value;
 				}
 			});
 
 			if (!context || !canvas) {
 				// The given item is not a compatible context2d element, let's return before finalizing
 				// the chart initialization but after setting basic chart / controller properties that
 				// can help to figure out that the chart is not valid (e.g chart.canvas !== null);
 				// https://github.com/chartjs/Chart.js/issues/2807
 				console.error("Failed to create chart: can't acquire context from the given item");
 				return;
 			}
 
 			me.initialize();
 			me.update();
 		},
 
 		/**
 		 * @private
 		 */
 		initialize: function() {
 			var me = this;
 
 			// Before init plugin notification
 			plugins.notify(me, 'beforeInit');
 
 			helpers.retinaScale(me, me.options.devicePixelRatio);
 
 			me.bindEvents();
 
 			if (me.options.responsive) {
 				// Initial resize before chart draws (must be silent to preserve initial animations).
 				me.resize(true);
 			}
 
 			// Make sure scales have IDs and are built before we build any controllers.
 			me.ensureScalesHaveIDs();
 			me.buildOrUpdateScales();
 			me.initToolTip();
 
 			// After init plugin notification
 			plugins.notify(me, 'afterInit');
 
 			return me;
 		},
 
 		clear: function() {
 			helpers.canvas.clear(this);
 			return this;
 		},
 
 		stop: function() {
 			// Stops any current animation loop occurring
 			animations.cancelAnimation(this);
 			return this;
 		},
 
 		resize: function(silent) {
 			var me = this;
 			var options = me.options;
 			var canvas = me.canvas;
 			var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null;
 
 			// the canvas render width and height will be casted to integers so make sure that
 			// the canvas display style uses the same integer values to avoid blurring effect.
 
 			// Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed
 			var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));
 			var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));
 
 			if (me.width === newWidth && me.height === newHeight) {
 				return;
 			}
 
 			canvas.width = me.width = newWidth;
 			canvas.height = me.height = newHeight;
 			canvas.style.width = newWidth + 'px';
 			canvas.style.height = newHeight + 'px';
 
 			helpers.retinaScale(me, options.devicePixelRatio);
 
 			if (!silent) {
 				// Notify any plugins about the resize
 				var newSize = {width: newWidth, height: newHeight};
 				plugins.notify(me, 'resize', [newSize]);
 
 				// Notify of resize
 				if (me.options.onResize) {
 					me.options.onResize(me, newSize);
 				}
 
 				me.stop();
 				me.update({
 					duration: me.options.responsiveAnimationDuration
 				});
 			}
 		},
 
 		ensureScalesHaveIDs: function() {
 			var options = this.options;
 			var scalesOptions = options.scales || {};
 			var scaleOptions = options.scale;
 
 			helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) {
 				xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index);
 			});
 
 			helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) {
 				yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index);
 			});
 
 			if (scaleOptions) {
 				scaleOptions.id = scaleOptions.id || 'scale';
 			}
 		},
 
 		/**
 		 * Builds a map of scale ID to scale object for future lookup.
 		 */
 		buildOrUpdateScales: function() {
 			var me = this;
 			var options = me.options;
 			var scales = me.scales || {};
 			var items = [];
 			var updated = Object.keys(scales).reduce(function(obj, id) {
 				obj[id] = false;
 				return obj;
 			}, {});
 
 			if (options.scales) {
 				items = items.concat(
 					(options.scales.xAxes || []).map(function(xAxisOptions) {
 						return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'};
 					}),
 					(options.scales.yAxes || []).map(function(yAxisOptions) {
 						return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};
 					})
 				);
 			}
 
 			if (options.scale) {
 				items.push({
 					options: options.scale,
 					dtype: 'radialLinear',
 					isDefault: true,
 					dposition: 'chartArea'
 				});
 			}
 
 			helpers.each(items, function(item) {
 				var scaleOptions = item.options;
 				var id = scaleOptions.id;
 				var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);
 
 				if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {
 					scaleOptions.position = item.dposition;
 				}
 
 				updated[id] = true;
 				var scale = null;
 				if (id in scales && scales[id].type === scaleType) {
 					scale = scales[id];
 					scale.options = scaleOptions;
 					scale.ctx = me.ctx;
 					scale.chart = me;
 				} else {
 					var scaleClass = scaleService.getScaleConstructor(scaleType);
 					if (!scaleClass) {
 						return;
 					}
 					scale = new scaleClass({
 						id: id,
 						type: scaleType,
 						options: scaleOptions,
 						ctx: me.ctx,
 						chart: me
 					});
 					scales[scale.id] = scale;
 				}
 
 				scale.mergeTicksOptions();
 
 				// TODO(SB): I think we should be able to remove this custom case (options.scale)
 				// and consider it as a regular scale part of the "scales"" map only! This would
 				// make the logic easier and remove some useless? custom code.
 				if (item.isDefault) {
 					me.scale = scale;
 				}
 			});
 			// clear up discarded scales
 			helpers.each(updated, function(hasUpdated, id) {
 				if (!hasUpdated) {
 					delete scales[id];
 				}
 			});
 
 			me.scales = scales;
 
 			scaleService.addScalesToLayout(this);
 		},
 
 		buildOrUpdateControllers: function() {
 			var me = this;
 			var types = [];
 			var newControllers = [];
 
 			helpers.each(me.data.datasets, function(dataset, datasetIndex) {
 				var meta = me.getDatasetMeta(datasetIndex);
 				var type = dataset.type || me.config.type;
 
 				if (meta.type && meta.type !== type) {
 					me.destroyDatasetMeta(datasetIndex);
 					meta = me.getDatasetMeta(datasetIndex);
 				}
 				meta.type = type;
 
 				types.push(meta.type);
 
 				if (meta.controller) {
 					meta.controller.updateIndex(datasetIndex);
 					meta.controller.linkScales();
 				} else {
 					var ControllerClass = Chart.controllers[meta.type];
 					if (ControllerClass === undefined) {
 						throw new Error('"' + meta.type + '" is not a chart type.');
 					}
 
 					meta.controller = new ControllerClass(me, datasetIndex);
 					newControllers.push(meta.controller);
 				}
 			}, me);
 
 			return newControllers;
 		},
 
 		/**
 		 * Reset the elements of all datasets
 		 * @private
 		 */
 		resetElements: function() {
 			var me = this;
 			helpers.each(me.data.datasets, function(dataset, datasetIndex) {
 				me.getDatasetMeta(datasetIndex).controller.reset();
 			}, me);
 		},
 
 		/**
 		* Resets the chart back to it's state before the initial animation
 		*/
 		reset: function() {
 			this.resetElements();
 			this.tooltip.initialize();
 		},
 
 		update: function(config) {
 			var me = this;
 
 			if (!config || typeof config !== 'object') {
 				// backwards compatibility
 				config = {
 					duration: config,
 					lazy: arguments[1]
 				};
 			}
 
 			updateConfig(me);
 
 			// plugins options references might have change, let's invalidate the cache
 			// https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
 			plugins._invalidate(me);
 
 			if (plugins.notify(me, 'beforeUpdate') === false) {
 				return;
 			}
 
 			// In case the entire data object changed
 			me.tooltip._data = me.data;
 
 			// Make sure dataset controllers are updated and new controllers are reset
 			var newControllers = me.buildOrUpdateControllers();
 
 			// Make sure all dataset controllers have correct meta data counts
 			helpers.each(me.data.datasets, function(dataset, datasetIndex) {
 				me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements();
 			}, me);
 
 			me.updateLayout();
 
 			// Can only reset the new controllers after the scales have been updated
 			if (me.options.animation && me.options.animation.duration) {
 				helpers.each(newControllers, function(controller) {
 					controller.reset();
 				});
 			}
 
 			me.updateDatasets();
 
 			// Need to reset tooltip in case it is displayed with elements that are removed
 			// after update.
 			me.tooltip.initialize();
 
 			// Last active contains items that were previously in the tooltip.
 			// When we reset the tooltip, we need to clear it
 			me.lastActive = [];
 
 			// Do this before render so that any plugins that need final scale updates can use it
 			plugins.notify(me, 'afterUpdate');
 
 			if (me._bufferedRender) {
 				me._bufferedRequest = {
 					duration: config.duration,
 					easing: config.easing,
 					lazy: config.lazy
 				};
 			} else {
 				me.render(config);
 			}
 		},
 
 		/**
 		 * Updates the chart layout unless a plugin returns `false` to the `beforeLayout`
 		 * hook, in which case, plugins will not be called on `afterLayout`.
 		 * @private
 		 */
 		updateLayout: function() {
 			var me = this;
 
 			if (plugins.notify(me, 'beforeLayout') === false) {
 				return;
 			}
 
 			layouts.update(this, this.width, this.height);
 
 			/**
 			 * Provided for backward compatibility, use `afterLayout` instead.
 			 * @method IPlugin#afterScaleUpdate
 			 * @deprecated since version 2.5.0
 			 * @todo remove at version 3
 			 * @private
 			 */
 			plugins.notify(me, 'afterScaleUpdate');
 			plugins.notify(me, 'afterLayout');
 		},
 
 		/**
 		 * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate`
 		 * hook, in which case, plugins will not be called on `afterDatasetsUpdate`.
 		 * @private
 		 */
 		updateDatasets: function() {
 			var me = this;
 
 			if (plugins.notify(me, 'beforeDatasetsUpdate') === false) {
 				return;
 			}
 
 			for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
 				me.updateDataset(i);
 			}
 
 			plugins.notify(me, 'afterDatasetsUpdate');
 		},
 
 		/**
 		 * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`
 		 * hook, in which case, plugins will not be called on `afterDatasetUpdate`.
 		 * @private
 		 */
 		updateDataset: function(index) {
 			var me = this;
 			var meta = me.getDatasetMeta(index);
 			var args = {
 				meta: meta,
 				index: index
 			};
 
 			if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {
 				return;
 			}
 
 			meta.controller.update();
 
 			plugins.notify(me, 'afterDatasetUpdate', [args]);
 		},
 
 		render: function(config) {
 			var me = this;
 
 			if (!config || typeof config !== 'object') {
 				// backwards compatibility
 				config = {
 					duration: config,
 					lazy: arguments[1]
 				};
 			}
 
 			var duration = config.duration;
 			var lazy = config.lazy;
 
 			if (plugins.notify(me, 'beforeRender') === false) {
 				return;
 			}
 
 			var animationOptions = me.options.animation;
 			var onComplete = function(animation) {
 				plugins.notify(me, 'afterRender');
 				helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);
 			};
 
 			if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {
 				var animation = new Animation({
 					numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps
 					easing: config.easing || animationOptions.easing,
 
 					render: function(chart, animationObject) {
 						var easingFunction = helpers.easing.effects[animationObject.easing];
 						var currentStep = animationObject.currentStep;
 						var stepDecimal = currentStep / animationObject.numSteps;
 
 						chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);
 					},
 
 					onAnimationProgress: animationOptions.onProgress,
 					onAnimationComplete: onComplete
 				});
 
 				animations.addAnimation(me, animation, duration, lazy);
 			} else {
 				me.draw();
 
 				// See https://github.com/chartjs/Chart.js/issues/3781
 				onComplete(new Animation({numSteps: 0, chart: me}));
 			}
 
 			return me;
 		},
 
 		draw: function(easingValue) {
 			var me = this;
 
 			me.clear();
 
 			if (helpers.isNullOrUndef(easingValue)) {
 				easingValue = 1;
 			}
 
 			me.transition(easingValue);
 
 			if (me.width <= 0 || me.height <= 0) {
 				return;
 			}
 
 			if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) {
 				return;
 			}
 
 			// Draw all the scales
 			helpers.each(me.boxes, function(box) {
 				box.draw(me.chartArea);
 			}, me);
 
 			if (me.scale) {
 				me.scale.draw();
 			}
 
 			me.drawDatasets(easingValue);
 			me._drawTooltip(easingValue);
 
 			plugins.notify(me, 'afterDraw', [easingValue]);
 		},
 
 		/**
 		 * @private
 		 */
 		transition: function(easingValue) {
 			var me = this;
 
 			for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {
 				if (me.isDatasetVisible(i)) {
 					me.getDatasetMeta(i).controller.transition(easingValue);
 				}
 			}
 
 			me.tooltip.transition(easingValue);
 		},
 
 		/**
 		 * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw`
 		 * hook, in which case, plugins will not be called on `afterDatasetsDraw`.
 		 * @private
 		 */
 		drawDatasets: function(easingValue) {
 			var me = this;
 
 			if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) {
 				return;
 			}
 
 			// Draw datasets reversed to support proper line stacking
 			for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {
 				if (me.isDatasetVisible(i)) {
 					me.drawDataset(i, easingValue);
 				}
 			}
 
 			plugins.notify(me, 'afterDatasetsDraw', [easingValue]);
 		},
 
 		/**
 		 * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`
 		 * hook, in which case, plugins will not be called on `afterDatasetDraw`.
 		 * @private
 		 */
 		drawDataset: function(index, easingValue) {
 			var me = this;
 			var meta = me.getDatasetMeta(index);
 			var args = {
 				meta: meta,
 				index: index,
 				easingValue: easingValue
 			};
 
 			if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {
 				return;
 			}
 
 			meta.controller.draw(easingValue);
 
 			plugins.notify(me, 'afterDatasetDraw', [args]);
 		},
 
 		/**
 		 * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw`
 		 * hook, in which case, plugins will not be called on `afterTooltipDraw`.
 		 * @private
 		 */
 		_drawTooltip: function(easingValue) {
 			var me = this;
 			var tooltip = me.tooltip;
 			var args = {
 				tooltip: tooltip,
 				easingValue: easingValue
 			};
 
 			if (plugins.notify(me, 'beforeTooltipDraw', [args]) === false) {
 				return;
 			}
 
 			tooltip.draw();
 
 			plugins.notify(me, 'afterTooltipDraw', [args]);
 		},
 
 		// Get the single element that was clicked on
 		// @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
 		getElementAtEvent: function(e) {
 			return Interaction.modes.single(this, e);
 		},
 
 		getElementsAtEvent: function(e) {
 			return Interaction.modes.label(this, e, {intersect: true});
 		},
 
 		getElementsAtXAxis: function(e) {
 			return Interaction.modes['x-axis'](this, e, {intersect: true});
 		},
 
 		getElementsAtEventForMode: function(e, mode, options) {
 			var method = Interaction.modes[mode];
 			if (typeof method === 'function') {
 				return method(this, e, options);
 			}
 
 			return [];
 		},
 
 		getDatasetAtEvent: function(e) {
 			return Interaction.modes.dataset(this, e, {intersect: true});
 		},
 
 		getDatasetMeta: function(datasetIndex) {
 			var me = this;
 			var dataset = me.data.datasets[datasetIndex];
 			if (!dataset._meta) {
 				dataset._meta = {};
 			}
 
 			var meta = dataset._meta[me.id];
 			if (!meta) {
 				meta = dataset._meta[me.id] = {
 					type: null,
 					data: [],
 					dataset: null,
 					controller: null,
 					hidden: null,			// See isDatasetVisible() comment
 					xAxisID: null,
 					yAxisID: null
 				};
 			}
 
 			return meta;
 		},
 
 		getVisibleDatasetCount: function() {
 			var count = 0;
 			for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) {
 				if (this.isDatasetVisible(i)) {
 					count++;
 				}
 			}
 			return count;
 		},
 
 		isDatasetVisible: function(datasetIndex) {
 			var meta = this.getDatasetMeta(datasetIndex);
 
 			// meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false,
 			// the dataset.hidden value is ignored, else if null, the dataset hidden state is returned.
 			return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden;
 		},
 
 		generateLegend: function() {
 			return this.options.legendCallback(this);
 		},
 
 		/**
 		 * @private
 		 */
 		destroyDatasetMeta: function(datasetIndex) {
 			var id = this.id;
 			var dataset = this.data.datasets[datasetIndex];
 			var meta = dataset._meta && dataset._meta[id];
 
 			if (meta) {
 				meta.controller.destroy();
 				delete dataset._meta[id];
 			}
 		},
 
 		destroy: function() {
 			var me = this;
 			var canvas = me.canvas;
 			var i, ilen;
 
 			me.stop();
 
 			// dataset controllers need to cleanup associated data
 			for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
 				me.destroyDatasetMeta(i);
 			}
 
 			if (canvas) {
 				me.unbindEvents();
 				helpers.canvas.clear(me);
 				platform.releaseContext(me.ctx);
 				me.canvas = null;
 				me.ctx = null;
 			}
 
 			plugins.notify(me, 'destroy');
 
 			delete Chart.instances[me.id];
 		},
 
 		toBase64Image: function() {
 			return this.canvas.toDataURL.apply(this.canvas, arguments);
 		},
 
 		initToolTip: function() {
 			var me = this;
 			me.tooltip = new Tooltip({
 				_chart: me,
 				_chartInstance: me, // deprecated, backward compatibility
 				_data: me.data,
 				_options: me.options.tooltips
 			}, me);
 		},
 
 		/**
 		 * @private
 		 */
 		bindEvents: function() {
 			var me = this;
 			var listeners = me._listeners = {};
 			var listener = function() {
 				me.eventHandler.apply(me, arguments);
 			};
 
 			helpers.each(me.options.events, function(type) {
 				platform.addEventListener(me, type, listener);
 				listeners[type] = listener;
 			});
 
 			// Elements used to detect size change should not be injected for non responsive charts.
 			// See https://github.com/chartjs/Chart.js/issues/2210
 			if (me.options.responsive) {
 				listener = function() {
 					me.resize();
 				};
 
 				platform.addEventListener(me, 'resize', listener);
 				listeners.resize = listener;
 			}
 		},
 
 		/**
 		 * @private
 		 */
 		unbindEvents: function() {
 			var me = this;
 			var listeners = me._listeners;
 			if (!listeners) {
 				return;
 			}
 
 			delete me._listeners;
 			helpers.each(listeners, function(listener, type) {
 				platform.removeEventListener(me, type, listener);
 			});
 		},
 
 		updateHoverStyle: function(elements, mode, enabled) {
 			var method = enabled ? 'setHoverStyle' : 'removeHoverStyle';
 			var element, i, ilen;
 
 			for (i = 0, ilen = elements.length; i < ilen; ++i) {
 				element = elements[i];
 				if (element) {
 					this.getDatasetMeta(element._datasetIndex).controller[method](element);
 				}
 			}
 		},
 
 		/**
 		 * @private
 		 */
 		eventHandler: function(e) {
 			var me = this;
 			var tooltip = me.tooltip;
 
 			if (plugins.notify(me, 'beforeEvent', [e]) === false) {
 				return;
 			}
 
 			// Buffer any update calls so that renders do not occur
 			me._bufferedRender = true;
 			me._bufferedRequest = null;
 
 			var changed = me.handleEvent(e);
 			// for smooth tooltip animations issue #4989
 			// the tooltip should be the source of change
 			// Animation check workaround:
 			// tooltip._start will be null when tooltip isn't animating
 			if (tooltip) {
 				changed = tooltip._start
 					? tooltip.handleEvent(e)
 					: changed | tooltip.handleEvent(e);
 			}
 
 			plugins.notify(me, 'afterEvent', [e]);
 
 			var bufferedRequest = me._bufferedRequest;
 			if (bufferedRequest) {
 				// If we have an update that was triggered, we need to do a normal render
 				me.render(bufferedRequest);
 			} else if (changed && !me.animating) {
 				// If entering, leaving, or changing elements, animate the change via pivot
 				me.stop();
 
 				// We only need to render at this point. Updating will cause scales to be
 				// recomputed generating flicker & using more memory than necessary.
 				me.render({
 					duration: me.options.hover.animationDuration,
 					lazy: true
 				});
 			}
 
 			me._bufferedRender = false;
 			me._bufferedRequest = null;
 
 			return me;
 		},
 
 		/**
 		 * Handle an event
 		 * @private
 		 * @param {IEvent} event the event to handle
 		 * @return {Boolean} true if the chart needs to re-render
 		 */
 		handleEvent: function(e) {
 			var me = this;
 			var options = me.options || {};
 			var hoverOptions = options.hover;
 			var changed = false;
 
 			me.lastActive = me.lastActive || [];
 
 			// Find Active Elements for hover and tooltips
 			if (e.type === 'mouseout') {
 				me.active = [];
 			} else {
 				me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions);
 			}
 
 			// Invoke onHover hook
 			// Need to call with native event here to not break backwards compatibility
 			helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);
 
 			if (e.type === 'mouseup' || e.type === 'click') {
 				if (options.onClick) {
 					// Use e.native here for backwards compatibility
 					options.onClick.call(me, e.native, me.active);
 				}
 			}
 
 			// Remove styling for last active (even if it may still be active)
 			if (me.lastActive.length) {
 				me.updateHoverStyle(me.lastActive, hoverOptions.mode, false);
 			}
 
 			// Built in hover styling
 			if (me.active.length && hoverOptions.mode) {
 				me.updateHoverStyle(me.active, hoverOptions.mode, true);
 			}
 
 			changed = !helpers.arrayEquals(me.active, me.lastActive);
 
 			// Remember Last Actives
 			me.lastActive = me.active;
 
 			return changed;
 		}
 	});
 
 	/**
 	 * Provided for backward compatibility, use Chart instead.
 	 * @class Chart.Controller
 	 * @deprecated since version 2.6.0
 	 * @todo remove at version 3
 	 * @private
 	 */
 	Chart.Controller = Chart;
 };
 
 },{"22":22,"23":23,"26":26,"29":29,"31":31,"32":32,"34":34,"36":36,"46":46,"49":49}],25:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 
 module.exports = function(Chart) {
 
 	var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift'];
 
 	/**
 	 * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice',
 	 * 'unshift') and notify the listener AFTER the array has been altered. Listeners are
 	 * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments.
 	 */
 	function listenArrayEvents(array, listener) {
 		if (array._chartjs) {
 			array._chartjs.listeners.push(listener);
 			return;
 		}
 
 		Object.defineProperty(array, '_chartjs', {
 			configurable: true,
 			enumerable: false,
 			value: {
 				listeners: [listener]
 			}
 		});
 
 		arrayEvents.forEach(function(key) {
 			var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1);
 			var base = array[key];
 
 			Object.defineProperty(array, key, {
 				configurable: true,
 				enumerable: false,
 				value: function() {
 					var args = Array.prototype.slice.call(arguments);
 					var res = base.apply(this, args);
 
 					helpers.each(array._chartjs.listeners, function(object) {
 						if (typeof object[method] === 'function') {
 							object[method].apply(object, args);
 						}
 					});
 
 					return res;
 				}
 			});
 		});
 	}
 
 	/**
 	 * Removes the given array event listener and cleanup extra attached properties (such as
 	 * the _chartjs stub and overridden methods) if array doesn't have any more listeners.
 	 */
 	function unlistenArrayEvents(array, listener) {
 		var stub = array._chartjs;
 		if (!stub) {
 			return;
 		}
 
 		var listeners = stub.listeners;
 		var index = listeners.indexOf(listener);
 		if (index !== -1) {
 			listeners.splice(index, 1);
 		}
 
 		if (listeners.length > 0) {
 			return;
 		}
 
 		arrayEvents.forEach(function(key) {
 			delete array[key];
 		});
 
 		delete array._chartjs;
 	}
 
 	// Base class for all dataset controllers (line, bar, etc)
 	Chart.DatasetController = function(chart, datasetIndex) {
 		this.initialize(chart, datasetIndex);
 	};
 
 	helpers.extend(Chart.DatasetController.prototype, {
 
 		/**
 		 * Element type used to generate a meta dataset (e.g. Chart.element.Line).
 		 * @type {Chart.core.element}
 		 */
 		datasetElementType: null,
 
 		/**
 		 * Element type used to generate a meta data (e.g. Chart.element.Point).
 		 * @type {Chart.core.element}
 		 */
 		dataElementType: null,
 
 		initialize: function(chart, datasetIndex) {
 			var me = this;
 			me.chart = chart;
 			me.index = datasetIndex;
 			me.linkScales();
 			me.addElements();
 		},
 
 		updateIndex: function(datasetIndex) {
 			this.index = datasetIndex;
 		},
 
 		linkScales: function() {
 			var me = this;
 			var meta = me.getMeta();
 			var dataset = me.getDataset();
 
 			if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) {
 				meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id;
 			}
 			if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) {
 				meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id;
 			}
 		},
 
 		getDataset: function() {
 			return this.chart.data.datasets[this.index];
 		},
 
 		getMeta: function() {
 			return this.chart.getDatasetMeta(this.index);
 		},
 
 		getScaleForId: function(scaleID) {
 			return this.chart.scales[scaleID];
 		},
 
 		reset: function() {
 			this.update(true);
 		},
 
 		/**
 		 * @private
 		 */
 		destroy: function() {
 			if (this._data) {
 				unlistenArrayEvents(this._data, this);
 			}
 		},
 
 		createMetaDataset: function() {
 			var me = this;
 			var type = me.datasetElementType;
 			return type && new type({
 				_chart: me.chart,
 				_datasetIndex: me.index
 			});
 		},
 
 		createMetaData: function(index) {
 			var me = this;
 			var type = me.dataElementType;
 			return type && new type({
 				_chart: me.chart,
 				_datasetIndex: me.index,
 				_index: index
 			});
 		},
 
 		addElements: function() {
 			var me = this;
 			var meta = me.getMeta();
 			var data = me.getDataset().data || [];
 			var metaData = meta.data;
 			var i, ilen;
 
 			for (i = 0, ilen = data.length; i < ilen; ++i) {
 				metaData[i] = metaData[i] || me.createMetaData(i);
 			}
 
 			meta.dataset = meta.dataset || me.createMetaDataset();
 		},
 
 		addElementAndReset: function(index) {
 			var element = this.createMetaData(index);
 			this.getMeta().data.splice(index, 0, element);
 			this.updateElement(element, index, true);
 		},
 
 		buildOrUpdateElements: function() {
 			var me = this;
 			var dataset = me.getDataset();
 			var data = dataset.data || (dataset.data = []);
 
 			// In order to correctly handle data addition/deletion animation (an thus simulate
 			// real-time charts), we need to monitor these data modifications and synchronize
 			// the internal meta data accordingly.
 			if (me._data !== data) {
 				if (me._data) {
 					// This case happens when the user replaced the data array instance.
 					unlistenArrayEvents(me._data, me);
 				}
 
 				listenArrayEvents(data, me);
 				me._data = data;
 			}
 
 			// Re-sync meta data in case the user replaced the data array or if we missed
 			// any updates and so make sure that we handle number of datapoints changing.
 			me.resyncElements();
 		},
 
 		update: helpers.noop,
 
 		transition: function(easingValue) {
 			var meta = this.getMeta();
 			var elements = meta.data || [];
 			var ilen = elements.length;
 			var i = 0;
 
 			for (; i < ilen; ++i) {
 				elements[i].transition(easingValue);
 			}
 
 			if (meta.dataset) {
 				meta.dataset.transition(easingValue);
 			}
 		},
 
 		draw: function() {
 			var meta = this.getMeta();
 			var elements = meta.data || [];
 			var ilen = elements.length;
 			var i = 0;
 
 			if (meta.dataset) {
 				meta.dataset.draw();
 			}
 
 			for (; i < ilen; ++i) {
 				elements[i].draw();
 			}
 		},
 
 		removeHoverStyle: function(element) {
 			helpers.merge(element._model, element.$previousStyle || {});
 			delete element.$previousStyle;
 		},
 
 		setHoverStyle: function(element) {
 			var dataset = this.chart.data.datasets[element._datasetIndex];
 			var index = element._index;
 			var custom = element.custom || {};
 			var valueOrDefault = helpers.valueAtIndexOrDefault;
 			var getHoverColor = helpers.getHoverColor;
 			var model = element._model;
 
 			element.$previousStyle = {
 				backgroundColor: model.backgroundColor,
 				borderColor: model.borderColor,
 				borderWidth: model.borderWidth
 			};
 
 			model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor));
 			model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor));
 			model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth);
 		},
 
 		/**
 		 * @private
 		 */
 		resyncElements: function() {
 			var me = this;
 			var meta = me.getMeta();
 			var data = me.getDataset().data;
 			var numMeta = meta.data.length;
 			var numData = data.length;
 
 			if (numData < numMeta) {
 				meta.data.splice(numData, numMeta - numData);
 			} else if (numData > numMeta) {
 				me.insertElements(numMeta, numData - numMeta);
 			}
 		},
 
 		/**
 		 * @private
 		 */
 		insertElements: function(start, count) {
 			for (var i = 0; i < count; ++i) {
 				this.addElementAndReset(start + i);
 			}
 		},
 
 		/**
 		 * @private
 		 */
 		onDataPush: function() {
 			this.insertElements(this.getDataset().data.length - 1, arguments.length);
 		},
 
 		/**
 		 * @private
 		 */
 		onDataPop: function() {
 			this.getMeta().data.pop();
 		},
 
 		/**
 		 * @private
 		 */
 		onDataShift: function() {
 			this.getMeta().data.shift();
 		},
 
 		/**
 		 * @private
 		 */
 		onDataSplice: function(start, count) {
 			this.getMeta().data.splice(start, count);
 			this.insertElements(start, arguments.length - 2);
 		},
 
 		/**
 		 * @private
 		 */
 		onDataUnshift: function() {
 			this.insertElements(0, arguments.length);
 		}
 	});
 
 	Chart.DatasetController.extend = helpers.inherits;
 };
 
 },{"46":46}],26:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 
 module.exports = {
 	/**
 	 * @private
 	 */
 	_set: function(scope, values) {
 		return helpers.merge(this[scope] || (this[scope] = {}), values);
 	}
 };
 
 },{"46":46}],27:[function(require,module,exports){
 'use strict';
 
 var color = require(3);
 var helpers = require(46);
 
 function interpolate(start, view, model, ease) {
 	var keys = Object.keys(model);
 	var i, ilen, key, actual, origin, target, type, c0, c1;
 
 	for (i = 0, ilen = keys.length; i < ilen; ++i) {
 		key = keys[i];
 
 		target = model[key];
 
 		// if a value is added to the model after pivot() has been called, the view
 		// doesn't contain it, so let's initialize the view to the target value.
 		if (!view.hasOwnProperty(key)) {
 			view[key] = target;
 		}
 
 		actual = view[key];
 
 		if (actual === target || key[0] === '_') {
 			continue;
 		}
 
 		if (!start.hasOwnProperty(key)) {
 			start[key] = actual;
 		}
 
 		origin = start[key];
 
 		type = typeof target;
 
 		if (type === typeof origin) {
 			if (type === 'string') {
 				c0 = color(origin);
 				if (c0.valid) {
 					c1 = color(target);
 					if (c1.valid) {
 						view[key] = c1.mix(c0, ease).rgbString();
 						continue;
 					}
 				}
 			} else if (type === 'number' && isFinite(origin) && isFinite(target)) {
 				view[key] = origin + (target - origin) * ease;
 				continue;
 			}
 		}
 
 		view[key] = target;
 	}
 }
 
 var Element = function(configuration) {
 	helpers.extend(this, configuration);
 	this.initialize.apply(this, arguments);
 };
 
 helpers.extend(Element.prototype, {
 
 	initialize: function() {
 		this.hidden = false;
 	},
 
 	pivot: function() {
 		var me = this;
 		if (!me._view) {
 			me._view = helpers.clone(me._model);
 		}
 		me._start = {};
 		return me;
 	},
 
 	transition: function(ease) {
 		var me = this;
 		var model = me._model;
 		var start = me._start;
 		var view = me._view;
 
 		// No animation -> No Transition
 		if (!model || ease === 1) {
 			me._view = model;
 			me._start = null;
 			return me;
 		}
 
 		if (!view) {
 			view = me._view = {};
 		}
 
 		if (!start) {
 			start = me._start = {};
 		}
 
 		interpolate(start, view, model, ease);
 
 		return me;
 	},
 
 	tooltipPosition: function() {
 		return {
 			x: this._model.x,
 			y: this._model.y
 		};
 	},
 
 	hasValue: function() {
 		return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);
 	}
 });
 
 Element.extend = helpers.inherits;
 
 module.exports = Element;
 
 },{"3":3,"46":46}],28:[function(require,module,exports){
 /* global window: false */
 /* global document: false */
 'use strict';
 
 var color = require(3);
 var defaults = require(26);
 var helpers = require(46);
 var scaleService = require(34);
 
 module.exports = function() {
 
 	// -- Basic js utility methods
 
 	helpers.configMerge = function(/* objects ... */) {
 		return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {
 			merger: function(key, target, source, options) {
 				var tval = target[key] || {};
 				var sval = source[key];
 
 				if (key === 'scales') {
 					// scale config merging is complex. Add our own function here for that
 					target[key] = helpers.scaleMerge(tval, sval);
 				} else if (key === 'scale') {
 					// used in polar area & radar charts since there is only one scale
 					target[key] = helpers.merge(tval, [scaleService.getScaleDefaults(sval.type), sval]);
 				} else {
 					helpers._merger(key, target, source, options);
 				}
 			}
 		});
 	};
 
 	helpers.scaleMerge = function(/* objects ... */) {
 		return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), {
 			merger: function(key, target, source, options) {
 				if (key === 'xAxes' || key === 'yAxes') {
 					var slen = source[key].length;
 					var i, type, scale;
 
 					if (!target[key]) {
 						target[key] = [];
 					}
 
 					for (i = 0; i < slen; ++i) {
 						scale = source[key][i];
 						type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear');
 
 						if (i >= target[key].length) {
 							target[key].push({});
 						}
 
 						if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) {
 							// new/untyped scale or type changed: let's apply the new defaults
 							// then merge source scale to correctly overwrite the defaults.
 							helpers.merge(target[key][i], [scaleService.getScaleDefaults(type), scale]);
 						} else {
 							// scales type are the same
 							helpers.merge(target[key][i], scale);
 						}
 					}
 				} else {
 					helpers._merger(key, target, source, options);
 				}
 			}
 		});
 	};
 
 	helpers.where = function(collection, filterCallback) {
 		if (helpers.isArray(collection) && Array.prototype.filter) {
 			return collection.filter(filterCallback);
 		}
 		var filtered = [];
 
 		helpers.each(collection, function(item) {
 			if (filterCallback(item)) {
 				filtered.push(item);
 			}
 		});
 
 		return filtered;
 	};
 	helpers.findIndex = Array.prototype.findIndex ?
 		function(array, callback, scope) {
 			return array.findIndex(callback, scope);
 		} :
 		function(array, callback, scope) {
 			scope = scope === undefined ? array : scope;
 			for (var i = 0, ilen = array.length; i < ilen; ++i) {
 				if (callback.call(scope, array[i], i, array)) {
 					return i;
 				}
 			}
 			return -1;
 		};
 	helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
 		// Default to start of the array
 		if (helpers.isNullOrUndef(startIndex)) {
 			startIndex = -1;
 		}
 		for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
 			var currentItem = arrayToSearch[i];
 			if (filterCallback(currentItem)) {
 				return currentItem;
 			}
 		}
 	};
 	helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
 		// Default to end of the array
 		if (helpers.isNullOrUndef(startIndex)) {
 			startIndex = arrayToSearch.length;
 		}
 		for (var i = startIndex - 1; i >= 0; i--) {
 			var currentItem = arrayToSearch[i];
 			if (filterCallback(currentItem)) {
 				return currentItem;
 			}
 		}
 	};
 
 	// -- Math methods
 	helpers.isNumber = function(n) {
 		return !isNaN(parseFloat(n)) && isFinite(n);
 	};
 	helpers.almostEquals = function(x, y, epsilon) {
 		return Math.abs(x - y) < epsilon;
 	};
 	helpers.almostWhole = function(x, epsilon) {
 		var rounded = Math.round(x);
 		return (((rounded - epsilon) < x) && ((rounded + epsilon) > x));
 	};
 	helpers.max = function(array) {
 		return array.reduce(function(max, value) {
 			if (!isNaN(value)) {
 				return Math.max(max, value);
 			}
 			return max;
 		}, Number.NEGATIVE_INFINITY);
 	};
 	helpers.min = function(array) {
 		return array.reduce(function(min, value) {
 			if (!isNaN(value)) {
 				return Math.min(min, value);
 			}
 			return min;
 		}, Number.POSITIVE_INFINITY);
 	};
 	helpers.sign = Math.sign ?
 		function(x) {
 			return Math.sign(x);
 		} :
 		function(x) {
 			x = +x; // convert to a number
 			if (x === 0 || isNaN(x)) {
 				return x;
 			}
 			return x > 0 ? 1 : -1;
 		};
 	helpers.log10 = Math.log10 ?
 		function(x) {
 			return Math.log10(x);
 		} :
 		function(x) {
 			var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10.
 			// Check for whole powers of 10,
 			// which due to floating point rounding error should be corrected.
 			var powerOf10 = Math.round(exponent);
 			var isPowerOf10 = x === Math.pow(10, powerOf10);
 
 			return isPowerOf10 ? powerOf10 : exponent;
 		};
 	helpers.toRadians = function(degrees) {
 		return degrees * (Math.PI / 180);
 	};
 	helpers.toDegrees = function(radians) {
 		return radians * (180 / Math.PI);
 	};
 	// Gets the angle from vertical upright to the point about a centre.
 	helpers.getAngleFromPoint = function(centrePoint, anglePoint) {
 		var distanceFromXCenter = anglePoint.x - centrePoint.x;
 		var distanceFromYCenter = anglePoint.y - centrePoint.y;
 		var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
 
 		var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
 
 		if (angle < (-0.5 * Math.PI)) {
 			angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
 		}
 
 		return {
 			angle: angle,
 			distance: radialDistanceFromCenter
 		};
 	};
 	helpers.distanceBetweenPoints = function(pt1, pt2) {
 		return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2));
 	};
 	helpers.aliasPixel = function(pixelWidth) {
 		return (pixelWidth % 2 === 0) ? 0 : 0.5;
 	};
 	helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {
 		// Props to Rob Spencer at scaled innovation for his post on splining between points
 		// http://scaledinnovation.com/analytics/splines/aboutSplines.html
 
 		// This function must also respect "skipped" points
 
 		var previous = firstPoint.skip ? middlePoint : firstPoint;
 		var current = middlePoint;
 		var next = afterPoint.skip ? middlePoint : afterPoint;
 
 		var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));
 		var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));
 
 		var s01 = d01 / (d01 + d12);
 		var s12 = d12 / (d01 + d12);
 
 		// If all points are the same, s01 & s02 will be inf
 		s01 = isNaN(s01) ? 0 : s01;
 		s12 = isNaN(s12) ? 0 : s12;
 
 		var fa = t * s01; // scaling factor for triangle Ta
 		var fb = t * s12;
 
 		return {
 			previous: {
 				x: current.x - fa * (next.x - previous.x),
 				y: current.y - fa * (next.y - previous.y)
 			},
 			next: {
 				x: current.x + fb * (next.x - previous.x),
 				y: current.y + fb * (next.y - previous.y)
 			}
 		};
 	};
 	helpers.EPSILON = Number.EPSILON || 1e-14;
 	helpers.splineCurveMonotone = function(points) {
 		// This function calculates Bézier control points in a similar way than |splineCurve|,
 		// but preserves monotonicity of the provided data and ensures no local extremums are added
 		// between the dataset discrete points due to the interpolation.
 		// See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation
 
 		var pointsWithTangents = (points || []).map(function(point) {
 			return {
 				model: point._model,
 				deltaK: 0,
 				mK: 0
 			};
 		});
 
 		// Calculate slopes (deltaK) and initialize tangents (mK)
 		var pointsLen = pointsWithTangents.length;
 		var i, pointBefore, pointCurrent, pointAfter;
 		for (i = 0; i < pointsLen; ++i) {
 			pointCurrent = pointsWithTangents[i];
 			if (pointCurrent.model.skip) {
 				continue;
 			}
 
 			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
 			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
 			if (pointAfter && !pointAfter.model.skip) {
 				var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x);
 
 				// In the case of two points that appear at the same x pixel, slopeDeltaX is 0
 				pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0;
 			}
 
 			if (!pointBefore || pointBefore.model.skip) {
 				pointCurrent.mK = pointCurrent.deltaK;
 			} else if (!pointAfter || pointAfter.model.skip) {
 				pointCurrent.mK = pointBefore.deltaK;
 			} else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) {
 				pointCurrent.mK = 0;
 			} else {
 				pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2;
 			}
 		}
 
 		// Adjust tangents to ensure monotonic properties
 		var alphaK, betaK, tauK, squaredMagnitude;
 		for (i = 0; i < pointsLen - 1; ++i) {
 			pointCurrent = pointsWithTangents[i];
 			pointAfter = pointsWithTangents[i + 1];
 			if (pointCurrent.model.skip || pointAfter.model.skip) {
 				continue;
 			}
 
 			if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) {
 				pointCurrent.mK = pointAfter.mK = 0;
 				continue;
 			}
 
 			alphaK = pointCurrent.mK / pointCurrent.deltaK;
 			betaK = pointAfter.mK / pointCurrent.deltaK;
 			squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2);
 			if (squaredMagnitude <= 9) {
 				continue;
 			}
 
 			tauK = 3 / Math.sqrt(squaredMagnitude);
 			pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK;
 			pointAfter.mK = betaK * tauK * pointCurrent.deltaK;
 		}
 
 		// Compute control points
 		var deltaX;
 		for (i = 0; i < pointsLen; ++i) {
 			pointCurrent = pointsWithTangents[i];
 			if (pointCurrent.model.skip) {
 				continue;
 			}
 
 			pointBefore = i > 0 ? pointsWithTangents[i - 1] : null;
 			pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null;
 			if (pointBefore && !pointBefore.model.skip) {
 				deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3;
 				pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX;
 				pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK;
 			}
 			if (pointAfter && !pointAfter.model.skip) {
 				deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3;
 				pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX;
 				pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK;
 			}
 		}
 	};
 	helpers.nextItem = function(collection, index, loop) {
 		if (loop) {
 			return index >= collection.length - 1 ? collection[0] : collection[index + 1];
 		}
 		return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
 	};
 	helpers.previousItem = function(collection, index, loop) {
 		if (loop) {
 			return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
 		}
 		return index <= 0 ? collection[0] : collection[index - 1];
 	};
 	// Implementation of the nice number algorithm used in determining where axis labels will go
 	helpers.niceNum = function(range, round) {
 		var exponent = Math.floor(helpers.log10(range));
 		var fraction = range / Math.pow(10, exponent);
 		var niceFraction;
 
 		if (round) {
 			if (fraction < 1.5) {
 				niceFraction = 1;
 			} else if (fraction < 3) {
 				niceFraction = 2;
 			} else if (fraction < 7) {
 				niceFraction = 5;
 			} else {
 				niceFraction = 10;
 			}
 		} else if (fraction <= 1.0) {
 			niceFraction = 1;
 		} else if (fraction <= 2) {
 			niceFraction = 2;
 		} else if (fraction <= 5) {
 			niceFraction = 5;
 		} else {
 			niceFraction = 10;
 		}
 
 		return niceFraction * Math.pow(10, exponent);
 	};
 	// Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
 	helpers.requestAnimFrame = (function() {
 		if (typeof window === 'undefined') {
 			return function(callback) {
 				callback();
 			};
 		}
 		return window.requestAnimationFrame ||
 			window.webkitRequestAnimationFrame ||
 			window.mozRequestAnimationFrame ||
 			window.oRequestAnimationFrame ||
 			window.msRequestAnimationFrame ||
 			function(callback) {
 				return window.setTimeout(callback, 1000 / 60);
 			};
 	}());
 	// -- DOM methods
 	helpers.getRelativePosition = function(evt, chart) {
 		var mouseX, mouseY;
 		var e = evt.originalEvent || evt;
 		var canvas = evt.target || evt.srcElement;
 		var boundingRect = canvas.getBoundingClientRect();
 
 		var touches = e.touches;
 		if (touches && touches.length > 0) {
 			mouseX = touches[0].clientX;
 			mouseY = touches[0].clientY;
 
 		} else {
 			mouseX = e.clientX;
 			mouseY = e.clientY;
 		}
 
 		// Scale mouse coordinates into canvas coordinates
 		// by following the pattern laid out by 'jerryj' in the comments of
 		// http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/
 		var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));
 		var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));
 		var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));
 		var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));
 		var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;
 		var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;
 
 		// We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However
 		// the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here
 		mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);
 		mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);
 
 		return {
 			x: mouseX,
 			y: mouseY
 		};
 
 	};
 
 	// Private helper function to convert max-width/max-height values that may be percentages into a number
 	function parseMaxStyle(styleValue, node, parentProperty) {
 		var valueInPixels;
 		if (typeof styleValue === 'string') {
 			valueInPixels = parseInt(styleValue, 10);
 
 			if (styleValue.indexOf('%') !== -1) {
 				// percentage * size in dimension
 				valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];
 			}
 		} else {
 			valueInPixels = styleValue;
 		}
 
 		return valueInPixels;
 	}
 
 	/**
 	 * Returns if the given value contains an effective constraint.
 	 * @private
 	 */
 	function isConstrainedValue(value) {
 		return value !== undefined && value !== null && value !== 'none';
 	}
 
 	// Private helper to get a constraint dimension
 	// @param domNode : the node to check the constraint on
 	// @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight)
 	// @param percentageProperty : property of parent to use when calculating width as a percentage
 	// @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser
 	function getConstraintDimension(domNode, maxStyle, percentageProperty) {
 		var view = document.defaultView;
 		var parentNode = helpers._getParentNode(domNode);
 		var constrainedNode = view.getComputedStyle(domNode)[maxStyle];
 		var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle];
 		var hasCNode = isConstrainedValue(constrainedNode);
 		var hasCContainer = isConstrainedValue(constrainedContainer);
 		var infinity = Number.POSITIVE_INFINITY;
 
 		if (hasCNode || hasCContainer) {
 			return Math.min(
 				hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity,
 				hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity);
 		}
 
 		return 'none';
 	}
 	// returns Number or undefined if no constraint
 	helpers.getConstraintWidth = function(domNode) {
 		return getConstraintDimension(domNode, 'max-width', 'clientWidth');
 	};
 	// returns Number or undefined if no constraint
 	helpers.getConstraintHeight = function(domNode) {
 		return getConstraintDimension(domNode, 'max-height', 'clientHeight');
 	};
 	/**
 	 * @private
  	 */
 	helpers._calculatePadding = function(container, padding, parentDimension) {
 		padding = helpers.getStyle(container, padding);
 
 		return padding.indexOf('%') > -1 ? parentDimension / parseInt(padding, 10) : parseInt(padding, 10);
 	};
 	/**
 	 * @private
 	 */
 	helpers._getParentNode = function(domNode) {
 		var parent = domNode.parentNode;
 		if (parent && parent.host) {
 			parent = parent.host;
 		}
 		return parent;
 	};
 	helpers.getMaximumWidth = function(domNode) {
 		var container = helpers._getParentNode(domNode);
 		if (!container) {
 			return domNode.clientWidth;
 		}
 
 		var clientWidth = container.clientWidth;
 		var paddingLeft = helpers._calculatePadding(container, 'padding-left', clientWidth);
 		var paddingRight = helpers._calculatePadding(container, 'padding-right', clientWidth);
 
 		var w = clientWidth - paddingLeft - paddingRight;
 		var cw = helpers.getConstraintWidth(domNode);
 		return isNaN(cw) ? w : Math.min(w, cw);
 	};
 	helpers.getMaximumHeight = function(domNode) {
 		var container = helpers._getParentNode(domNode);
 		if (!container) {
 			return domNode.clientHeight;
 		}
 
 		var clientHeight = container.clientHeight;
 		var paddingTop = helpers._calculatePadding(container, 'padding-top', clientHeight);
 		var paddingBottom = helpers._calculatePadding(container, 'padding-bottom', clientHeight);
 
 		var h = clientHeight - paddingTop - paddingBottom;
 		var ch = helpers.getConstraintHeight(domNode);
 		return isNaN(ch) ? h : Math.min(h, ch);
 	};
 	helpers.getStyle = function(el, property) {
 		return el.currentStyle ?
 			el.currentStyle[property] :
 			document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
 	};
 	helpers.retinaScale = function(chart, forceRatio) {
 		var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1;
 		if (pixelRatio === 1) {
 			return;
 		}
 
 		var canvas = chart.canvas;
 		var height = chart.height;
 		var width = chart.width;
 
 		canvas.height = height * pixelRatio;
 		canvas.width = width * pixelRatio;
 		chart.ctx.scale(pixelRatio, pixelRatio);
 
 		// If no style has been set on the canvas, the render size is used as display size,
 		// making the chart visually bigger, so let's enforce it to the "correct" values.
 		// See https://github.com/chartjs/Chart.js/issues/3575
 		if (!canvas.style.height && !canvas.style.width) {
 			canvas.style.height = height + 'px';
 			canvas.style.width = width + 'px';
 		}
 	};
 	// -- Canvas methods
 	helpers.fontString = function(pixelSize, fontStyle, fontFamily) {
 		return fontStyle + ' ' + pixelSize + 'px ' + fontFamily;
 	};
 	helpers.longestText = function(ctx, font, arrayOfThings, cache) {
 		cache = cache || {};
 		var data = cache.data = cache.data || {};
 		var gc = cache.garbageCollect = cache.garbageCollect || [];
 
 		if (cache.font !== font) {
 			data = cache.data = {};
 			gc = cache.garbageCollect = [];
 			cache.font = font;
 		}
 
 		ctx.font = font;
 		var longest = 0;
 		helpers.each(arrayOfThings, function(thing) {
 			// Undefined strings and arrays should not be measured
 			if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) {
 				longest = helpers.measureText(ctx, data, gc, longest, thing);
 			} else if (helpers.isArray(thing)) {
 				// if it is an array lets measure each element
 				// to do maybe simplify this function a bit so we can do this more recursively?
 				helpers.each(thing, function(nestedThing) {
 					// Undefined strings and arrays should not be measured
 					if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) {
 						longest = helpers.measureText(ctx, data, gc, longest, nestedThing);
 					}
 				});
 			}
 		});
 
 		var gcLen = gc.length / 2;
 		if (gcLen > arrayOfThings.length) {
 			for (var i = 0; i < gcLen; i++) {
 				delete data[gc[i]];
 			}
 			gc.splice(0, gcLen);
 		}
 		return longest;
 	};
 	helpers.measureText = function(ctx, data, gc, longest, string) {
 		var textWidth = data[string];
 		if (!textWidth) {
 			textWidth = data[string] = ctx.measureText(string).width;
 			gc.push(string);
 		}
 		if (textWidth > longest) {
 			longest = textWidth;
 		}
 		return longest;
 	};
 	helpers.numberOfLabelLines = function(arrayOfThings) {
 		var numberOfLines = 1;
 		helpers.each(arrayOfThings, function(thing) {
 			if (helpers.isArray(thing)) {
 				if (thing.length > numberOfLines) {
 					numberOfLines = thing.length;
 				}
 			}
 		});
 		return numberOfLines;
 	};
 
 	helpers.color = !color ?
 		function(value) {
 			console.error('Color.js not found!');
 			return value;
 		} :
 		function(value) {
 			/* global CanvasGradient */
 			if (value instanceof CanvasGradient) {
 				value = defaults.global.defaultColor;
 			}
 
 			return color(value);
 		};
 
 	helpers.getHoverColor = function(colorValue) {
 		/* global CanvasPattern */
 		return (colorValue instanceof CanvasPattern) ?
 			colorValue :
 			helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString();
 	};
 };
 
 },{"26":26,"3":3,"34":34,"46":46}],29:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 
 /**
  * Helper function to get relative position for an event
  * @param {Event|IEvent} event - The event to get the position for
  * @param {Chart} chart - The chart
  * @returns {Point} the event position
  */
 function getRelativePosition(e, chart) {
 	if (e.native) {
 		return {
 			x: e.x,
 			y: e.y
 		};
 	}
 
 	return helpers.getRelativePosition(e, chart);
 }
 
 /**
  * Helper function to traverse all of the visible elements in the chart
  * @param chart {chart} the chart
  * @param handler {Function} the callback to execute for each visible item
  */
 function parseVisibleItems(chart, handler) {
 	var datasets = chart.data.datasets;
 	var meta, i, j, ilen, jlen;
 
 	for (i = 0, ilen = datasets.length; i < ilen; ++i) {
 		if (!chart.isDatasetVisible(i)) {
 			continue;
 		}
 
 		meta = chart.getDatasetMeta(i);
 		for (j = 0, jlen = meta.data.length; j < jlen; ++j) {
 			var element = meta.data[j];
 			if (!element._view.skip) {
 				handler(element);
 			}
 		}
 	}
 }
 
 /**
  * Helper function to get the items that intersect the event position
  * @param items {ChartElement[]} elements to filter
  * @param position {Point} the point to be nearest to
  * @return {ChartElement[]} the nearest items
  */
 function getIntersectItems(chart, position) {
 	var elements = [];
 
 	parseVisibleItems(chart, function(element) {
 		if (element.inRange(position.x, position.y)) {
 			elements.push(element);
 		}
 	});
 
 	return elements;
 }
 
 /**
  * Helper function to get the items nearest to the event position considering all visible items in teh chart
  * @param chart {Chart} the chart to look at elements from
  * @param position {Point} the point to be nearest to
  * @param intersect {Boolean} if true, only consider items that intersect the position
  * @param distanceMetric {Function} function to provide the distance between points
  * @return {ChartElement[]} the nearest items
  */
 function getNearestItems(chart, position, intersect, distanceMetric) {
 	var minDistance = Number.POSITIVE_INFINITY;
 	var nearestItems = [];
 
 	parseVisibleItems(chart, function(element) {
 		if (intersect && !element.inRange(position.x, position.y)) {
 			return;
 		}
 
 		var center = element.getCenterPoint();
 		var distance = distanceMetric(position, center);
 
 		if (distance < minDistance) {
 			nearestItems = [element];
 			minDistance = distance;
 		} else if (distance === minDistance) {
 			// Can have multiple items at the same distance in which case we sort by size
 			nearestItems.push(element);
 		}
 	});
 
 	return nearestItems;
 }
 
 /**
  * Get a distance metric function for two points based on the
  * axis mode setting
  * @param {String} axis the axis mode. x|y|xy
  */
 function getDistanceMetricForAxis(axis) {
 	var useX = axis.indexOf('x') !== -1;
 	var useY = axis.indexOf('y') !== -1;
 
 	return function(pt1, pt2) {
 		var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0;
 		var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0;
 		return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2));
 	};
 }
 
 function indexMode(chart, e, options) {
 	var position = getRelativePosition(e, chart);
 	// Default axis for index mode is 'x' to match old behaviour
 	options.axis = options.axis || 'x';
 	var distanceMetric = getDistanceMetricForAxis(options.axis);
 	var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
 	var elements = [];
 
 	if (!items.length) {
 		return [];
 	}
 
 	chart.data.datasets.forEach(function(dataset, datasetIndex) {
 		if (chart.isDatasetVisible(datasetIndex)) {
 			var meta = chart.getDatasetMeta(datasetIndex);
 			var element = meta.data[items[0]._index];
 
 			// don't count items that are skipped (null data)
 			if (element && !element._view.skip) {
 				elements.push(element);
 			}
 		}
 	});
 
 	return elements;
 }
 
 /**
  * @interface IInteractionOptions
  */
 /**
  * If true, only consider items that intersect the point
  * @name IInterfaceOptions#boolean
  * @type Boolean
  */
 
 /**
  * Contains interaction related functions
  * @namespace Chart.Interaction
  */
 module.exports = {
 	// Helper function for different modes
 	modes: {
 		single: function(chart, e) {
 			var position = getRelativePosition(e, chart);
 			var elements = [];
 
 			parseVisibleItems(chart, function(element) {
 				if (element.inRange(position.x, position.y)) {
 					elements.push(element);
 					return elements;
 				}
 			});
 
 			return elements.slice(0, 1);
 		},
 
 		/**
 		 * @function Chart.Interaction.modes.label
 		 * @deprecated since version 2.4.0
 		 * @todo remove at version 3
 		 * @private
 		 */
 		label: indexMode,
 
 		/**
 		 * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something
 		 * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item
 		 * @function Chart.Interaction.modes.index
 		 * @since v2.4.0
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @param options {IInteractionOptions} options to use during interaction
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		index: indexMode,
 
 		/**
 		 * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something
 		 * If the options.intersect is false, we find the nearest item and return the items in that dataset
 		 * @function Chart.Interaction.modes.dataset
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @param options {IInteractionOptions} options to use during interaction
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		dataset: function(chart, e, options) {
 			var position = getRelativePosition(e, chart);
 			options.axis = options.axis || 'xy';
 			var distanceMetric = getDistanceMetricForAxis(options.axis);
 			var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric);
 
 			if (items.length > 0) {
 				items = chart.getDatasetMeta(items[0]._datasetIndex).data;
 			}
 
 			return items;
 		},
 
 		/**
 		 * @function Chart.Interaction.modes.x-axis
 		 * @deprecated since version 2.4.0. Use index mode and intersect == true
 		 * @todo remove at version 3
 		 * @private
 		 */
 		'x-axis': function(chart, e) {
 			return indexMode(chart, e, {intersect: false});
 		},
 
 		/**
 		 * Point mode returns all elements that hit test based on the event position
 		 * of the event
 		 * @function Chart.Interaction.modes.intersect
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		point: function(chart, e) {
 			var position = getRelativePosition(e, chart);
 			return getIntersectItems(chart, position);
 		},
 
 		/**
 		 * nearest mode returns the element closest to the point
 		 * @function Chart.Interaction.modes.intersect
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @param options {IInteractionOptions} options to use
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		nearest: function(chart, e, options) {
 			var position = getRelativePosition(e, chart);
 			options.axis = options.axis || 'xy';
 			var distanceMetric = getDistanceMetricForAxis(options.axis);
 			var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric);
 
 			// We have multiple items at the same distance from the event. Now sort by smallest
 			if (nearestItems.length > 1) {
 				nearestItems.sort(function(a, b) {
 					var sizeA = a.getArea();
 					var sizeB = b.getArea();
 					var ret = sizeA - sizeB;
 
 					if (ret === 0) {
 						// if equal sort by dataset index
 						ret = a._datasetIndex - b._datasetIndex;
 					}
 
 					return ret;
 				});
 			}
 
 			// Return only 1 item
 			return nearestItems.slice(0, 1);
 		},
 
 		/**
 		 * x mode returns the elements that hit-test at the current x coordinate
 		 * @function Chart.Interaction.modes.x
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @param options {IInteractionOptions} options to use
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		x: function(chart, e, options) {
 			var position = getRelativePosition(e, chart);
 			var items = [];
 			var intersectsItem = false;
 
 			parseVisibleItems(chart, function(element) {
 				if (element.inXRange(position.x)) {
 					items.push(element);
 				}
 
 				if (element.inRange(position.x, position.y)) {
 					intersectsItem = true;
 				}
 			});
 
 			// If we want to trigger on an intersect and we don't have any items
 			// that intersect the position, return nothing
 			if (options.intersect && !intersectsItem) {
 				items = [];
 			}
 			return items;
 		},
 
 		/**
 		 * y mode returns the elements that hit-test at the current y coordinate
 		 * @function Chart.Interaction.modes.y
 		 * @param chart {chart} the chart we are returning items from
 		 * @param e {Event} the event we are find things at
 		 * @param options {IInteractionOptions} options to use
 		 * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned
 		 */
 		y: function(chart, e, options) {
 			var position = getRelativePosition(e, chart);
 			var items = [];
 			var intersectsItem = false;
 
 			parseVisibleItems(chart, function(element) {
 				if (element.inYRange(position.y)) {
 					items.push(element);
 				}
 
 				if (element.inRange(position.x, position.y)) {
 					intersectsItem = true;
 				}
 			});
 
 			// If we want to trigger on an intersect and we don't have any items
 			// that intersect the position, return nothing
 			if (options.intersect && !intersectsItem) {
 				items = [];
 			}
 			return items;
 		}
 	}
 };
 
 },{"46":46}],30:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 
 defaults._set('global', {
 	responsive: true,
 	responsiveAnimationDuration: 0,
 	maintainAspectRatio: true,
 	events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'],
 	hover: {
 		onHover: null,
 		mode: 'nearest',
 		intersect: true,
 		animationDuration: 400
 	},
 	onClick: null,
 	defaultColor: 'rgba(0,0,0,0.1)',
 	defaultFontColor: '#666',
 	defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
 	defaultFontSize: 12,
 	defaultFontStyle: 'normal',
 	showLines: true,
 
 	// Element defaults defined in element extensions
 	elements: {},
 
 	// Layout options such as padding
 	layout: {
 		padding: {
 			top: 0,
 			right: 0,
 			bottom: 0,
 			left: 0
 		}
 	}
 });
 
 module.exports = function() {
 
 	// Occupy the global variable of Chart, and create a simple base class
 	var Chart = function(item, config) {
 		this.construct(item, config);
 		return this;
 	};
 
 	Chart.Chart = Chart;
 
 	return Chart;
 };
 
 },{"26":26}],31:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 
 function filterByPosition(array, position) {
 	return helpers.where(array, function(v) {
 		return v.position === position;
 	});
 }
 
 function sortByWeight(array, reverse) {
 	array.forEach(function(v, i) {
 		v._tmpIndex_ = i;
 		return v;
 	});
 	array.sort(function(a, b) {
 		var v0 = reverse ? b : a;
 		var v1 = reverse ? a : b;
 		return v0.weight === v1.weight ?
 			v0._tmpIndex_ - v1._tmpIndex_ :
 			v0.weight - v1.weight;
 	});
 	array.forEach(function(v) {
 		delete v._tmpIndex_;
 	});
 }
 
 /**
  * @interface ILayoutItem
  * @prop {String} position - The position of the item in the chart layout. Possible values are
  * 'left', 'top', 'right', 'bottom', and 'chartArea'
  * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area
  * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down
  * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom)
  * @prop {Function} update - Takes two parameters: width and height. Returns size of item
  * @prop {Function} getPadding -  Returns an object with padding on the edges
  * @prop {Number} width - Width of item. Must be valid after update()
  * @prop {Number} height - Height of item. Must be valid after update()
  * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update
  * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update
  * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update
  * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update
  */
 
 // The layout service is very self explanatory.  It's responsible for the layout within a chart.
 // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
 // It is this service's responsibility of carrying out that layout.
 module.exports = {
 	defaults: {},
 
 	/**
 	 * Register a box to a chart.
 	 * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title.
 	 * @param {Chart} chart - the chart to use
 	 * @param {ILayoutItem} item - the item to add to be layed out
 	 */
 	addBox: function(chart, item) {
 		if (!chart.boxes) {
 			chart.boxes = [];
 		}
 
 		// initialize item with default values
 		item.fullWidth = item.fullWidth || false;
 		item.position = item.position || 'top';
 		item.weight = item.weight || 0;
 
 		chart.boxes.push(item);
 	},
 
 	/**
 	 * Remove a layoutItem from a chart
 	 * @param {Chart} chart - the chart to remove the box from
 	 * @param {Object} layoutItem - the item to remove from the layout
 	 */
 	removeBox: function(chart, layoutItem) {
 		var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1;
 		if (index !== -1) {
 			chart.boxes.splice(index, 1);
 		}
 	},
 
 	/**
 	 * Sets (or updates) options on the given `item`.
 	 * @param {Chart} chart - the chart in which the item lives (or will be added to)
 	 * @param {Object} item - the item to configure with the given options
 	 * @param {Object} options - the new item options.
 	 */
 	configure: function(chart, item, options) {
 		var props = ['fullWidth', 'position', 'weight'];
 		var ilen = props.length;
 		var i = 0;
 		var prop;
 
 		for (; i < ilen; ++i) {
 			prop = props[i];
 			if (options.hasOwnProperty(prop)) {
 				item[prop] = options[prop];
 			}
 		}
 	},
 
 	/**
 	 * Fits boxes of the given chart into the given size by having each box measure itself
 	 * then running a fitting algorithm
 	 * @param {Chart} chart - the chart
 	 * @param {Number} width - the width to fit into
 	 * @param {Number} height - the height to fit into
 	 */
 	update: function(chart, width, height) {
 		if (!chart) {
 			return;
 		}
 
 		var layoutOptions = chart.options.layout || {};
 		var padding = helpers.options.toPadding(layoutOptions.padding);
 		var leftPadding = padding.left;
 		var rightPadding = padding.right;
 		var topPadding = padding.top;
 		var bottomPadding = padding.bottom;
 
 		var leftBoxes = filterByPosition(chart.boxes, 'left');
 		var rightBoxes = filterByPosition(chart.boxes, 'right');
 		var topBoxes = filterByPosition(chart.boxes, 'top');
 		var bottomBoxes = filterByPosition(chart.boxes, 'bottom');
 		var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea');
 
 		// Sort boxes by weight. A higher weight is further away from the chart area
 		sortByWeight(leftBoxes, true);
 		sortByWeight(rightBoxes, false);
 		sortByWeight(topBoxes, true);
 		sortByWeight(bottomBoxes, false);
 
 		// Essentially we now have any number of boxes on each of the 4 sides.
 		// Our canvas looks like the following.
 		// The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
 		// B1 is the bottom axis
 		// There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
 		// These locations are single-box locations only, when trying to register a chartArea location that is already taken,
 		// an error will be thrown.
 		//
 		// |----------------------------------------------------|
 		// |                  T1 (Full Width)                   |
 		// |----------------------------------------------------|
 		// |    |    |                 T2                  |    |
 		// |    |----|-------------------------------------|----|
 		// |    |    | C1 |                           | C2 |    |
 		// |    |    |----|                           |----|    |
 		// |    |    |                                     |    |
 		// | L1 | L2 |           ChartArea (C0)            | R1 |
 		// |    |    |                                     |    |
 		// |    |    |----|                           |----|    |
 		// |    |    | C3 |                           | C4 |    |
 		// |    |----|-------------------------------------|----|
 		// |    |    |                 B1                  |    |
 		// |----------------------------------------------------|
 		// |                  B2 (Full Width)                   |
 		// |----------------------------------------------------|
 		//
 		// What we do to find the best sizing, we do the following
 		// 1. Determine the minimum size of the chart area.
 		// 2. Split the remaining width equally between each vertical axis
 		// 3. Split the remaining height equally between each horizontal axis
 		// 4. Give each layout the maximum size it can be. The layout will return it's minimum size
 		// 5. Adjust the sizes of each axis based on it's minimum reported size.
 		// 6. Refit each axis
 		// 7. Position each axis in the final location
 		// 8. Tell the chart the final location of the chart area
 		// 9. Tell any axes that overlay the chart area the positions of the chart area
 
 		// Step 1
 		var chartWidth = width - leftPadding - rightPadding;
 		var chartHeight = height - topPadding - bottomPadding;
 		var chartAreaWidth = chartWidth / 2; // min 50%
 		var chartAreaHeight = chartHeight / 2; // min 50%
 
 		// Step 2
 		var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);
 
 		// Step 3
 		var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);
 
 		// Step 4
 		var maxChartAreaWidth = chartWidth;
 		var maxChartAreaHeight = chartHeight;
 		var minBoxSizes = [];
 
 		function getMinimumBoxSize(box) {
 			var minSize;
 			var isHorizontal = box.isHorizontal();
 
 			if (isHorizontal) {
 				minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);
 				maxChartAreaHeight -= minSize.height;
 			} else {
 				minSize = box.update(verticalBoxWidth, maxChartAreaHeight);
 				maxChartAreaWidth -= minSize.width;
 			}
 
 			minBoxSizes.push({
 				horizontal: isHorizontal,
 				minSize: minSize,
 				box: box,
 			});
 		}
 
 		helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);
 
 		// If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478)
 		var maxHorizontalLeftPadding = 0;
 		var maxHorizontalRightPadding = 0;
 		var maxVerticalTopPadding = 0;
 		var maxVerticalBottomPadding = 0;
 
 		helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) {
 			if (horizontalBox.getPadding) {
 				var boxPadding = horizontalBox.getPadding();
 				maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left);
 				maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right);
 			}
 		});
 
 		helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) {
 			if (verticalBox.getPadding) {
 				var boxPadding = verticalBox.getPadding();
 				maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top);
 				maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom);
 			}
 		});
 
 		// At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could
 		// be if the axes are drawn at their minimum sizes.
 		// Steps 5 & 6
 		var totalLeftBoxesWidth = leftPadding;
 		var totalRightBoxesWidth = rightPadding;
 		var totalTopBoxesHeight = topPadding;
 		var totalBottomBoxesHeight = bottomPadding;
 
 		// Function to fit a box
 		function fitBox(box) {
 			var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) {
 				return minBox.box === box;
 			});
 
 			if (minBoxSize) {
 				if (box.isHorizontal()) {
 					var scaleMargin = {
 						left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding),
 						right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding),
 						top: 0,
 						bottom: 0
 					};
 
 					// Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends
 					// on the margin. Sometimes they need to increase in size slightly
 					box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);
 				} else {
 					box.update(minBoxSize.minSize.width, maxChartAreaHeight);
 				}
 			}
 		}
 
 		// Update, and calculate the left and right margins for the horizontal boxes
 		helpers.each(leftBoxes.concat(rightBoxes), fitBox);
 
 		helpers.each(leftBoxes, function(box) {
 			totalLeftBoxesWidth += box.width;
 		});
 
 		helpers.each(rightBoxes, function(box) {
 			totalRightBoxesWidth += box.width;
 		});
 
 		// Set the Left and Right margins for the horizontal boxes
 		helpers.each(topBoxes.concat(bottomBoxes), fitBox);
 
 		// Figure out how much margin is on the top and bottom of the vertical boxes
 		helpers.each(topBoxes, function(box) {
 			totalTopBoxesHeight += box.height;
 		});
 
 		helpers.each(bottomBoxes, function(box) {
 			totalBottomBoxesHeight += box.height;
 		});
 
 		function finalFitVerticalBox(box) {
 			var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) {
 				return minSize.box === box;
 			});
 
 			var scaleMargin = {
 				left: 0,
 				right: 0,
 				top: totalTopBoxesHeight,
 				bottom: totalBottomBoxesHeight
 			};
 
 			if (minBoxSize) {
 				box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);
 			}
 		}
 
 		// Let the left layout know the final margin
 		helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);
 
 		// Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)
 		totalLeftBoxesWidth = leftPadding;
 		totalRightBoxesWidth = rightPadding;
 		totalTopBoxesHeight = topPadding;
 		totalBottomBoxesHeight = bottomPadding;
 
 		helpers.each(leftBoxes, function(box) {
 			totalLeftBoxesWidth += box.width;
 		});
 
 		helpers.each(rightBoxes, function(box) {
 			totalRightBoxesWidth += box.width;
 		});
 
 		helpers.each(topBoxes, function(box) {
 			totalTopBoxesHeight += box.height;
 		});
 		helpers.each(bottomBoxes, function(box) {
 			totalBottomBoxesHeight += box.height;
 		});
 
 		// We may be adding some padding to account for rotated x axis labels
 		var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0);
 		totalLeftBoxesWidth += leftPaddingAddition;
 		totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0);
 
 		var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0);
 		totalTopBoxesHeight += topPaddingAddition;
 		totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0);
 
 		// Figure out if our chart area changed. This would occur if the dataset layout label rotation
 		// changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do
 		// without calling `fit` again
 		var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;
 		var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;
 
 		if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {
 			helpers.each(leftBoxes, function(box) {
 				box.height = newMaxChartAreaHeight;
 			});
 
 			helpers.each(rightBoxes, function(box) {
 				box.height = newMaxChartAreaHeight;
 			});
 
 			helpers.each(topBoxes, function(box) {
 				if (!box.fullWidth) {
 					box.width = newMaxChartAreaWidth;
 				}
 			});
 
 			helpers.each(bottomBoxes, function(box) {
 				if (!box.fullWidth) {
 					box.width = newMaxChartAreaWidth;
 				}
 			});
 
 			maxChartAreaHeight = newMaxChartAreaHeight;
 			maxChartAreaWidth = newMaxChartAreaWidth;
 		}
 
 		// Step 7 - Position the boxes
 		var left = leftPadding + leftPaddingAddition;
 		var top = topPadding + topPaddingAddition;
 
 		function placeBox(box) {
 			if (box.isHorizontal()) {
 				box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth;
 				box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth;
 				box.top = top;
 				box.bottom = top + box.height;
 
 				// Move to next point
 				top = box.bottom;
 
 			} else {
 
 				box.left = left;
 				box.right = left + box.width;
 				box.top = totalTopBoxesHeight;
 				box.bottom = totalTopBoxesHeight + maxChartAreaHeight;
 
 				// Move to next point
 				left = box.right;
 			}
 		}
 
 		helpers.each(leftBoxes.concat(topBoxes), placeBox);
 
 		// Account for chart width and height
 		left += maxChartAreaWidth;
 		top += maxChartAreaHeight;
 
 		helpers.each(rightBoxes, placeBox);
 		helpers.each(bottomBoxes, placeBox);
 
 		// Step 8
 		chart.chartArea = {
 			left: totalLeftBoxesWidth,
 			top: totalTopBoxesHeight,
 			right: totalLeftBoxesWidth + maxChartAreaWidth,
 			bottom: totalTopBoxesHeight + maxChartAreaHeight
 		};
 
 		// Step 9
 		helpers.each(chartAreaBoxes, function(box) {
 			box.left = chart.chartArea.left;
 			box.top = chart.chartArea.top;
 			box.right = chart.chartArea.right;
 			box.bottom = chart.chartArea.bottom;
 
 			box.update(maxChartAreaWidth, maxChartAreaHeight);
 		});
 	}
 };
 
 },{"46":46}],32:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var helpers = require(46);
 
 defaults._set('global', {
 	plugins: {}
 });
 
 /**
  * The plugin service singleton
  * @namespace Chart.plugins
  * @since 2.1.0
  */
 module.exports = {
 	/**
 	 * Globally registered plugins.
 	 * @private
 	 */
 	_plugins: [],
 
 	/**
 	 * This identifier is used to invalidate the descriptors cache attached to each chart
 	 * when a global plugin is registered or unregistered. In this case, the cache ID is
 	 * incremented and descriptors are regenerated during following API calls.
 	 * @private
 	 */
 	_cacheId: 0,
 
 	/**
 	 * Registers the given plugin(s) if not already registered.
 	 * @param {Array|Object} plugins plugin instance(s).
 	 */
 	register: function(plugins) {
 		var p = this._plugins;
 		([]).concat(plugins).forEach(function(plugin) {
 			if (p.indexOf(plugin) === -1) {
 				p.push(plugin);
 			}
 		});
 
 		this._cacheId++;
 	},
 
 	/**
 	 * Unregisters the given plugin(s) only if registered.
 	 * @param {Array|Object} plugins plugin instance(s).
 	 */
 	unregister: function(plugins) {
 		var p = this._plugins;
 		([]).concat(plugins).forEach(function(plugin) {
 			var idx = p.indexOf(plugin);
 			if (idx !== -1) {
 				p.splice(idx, 1);
 			}
 		});
 
 		this._cacheId++;
 	},
 
 	/**
 	 * Remove all registered plugins.
 	 * @since 2.1.5
 	 */
 	clear: function() {
 		this._plugins = [];
 		this._cacheId++;
 	},
 
 	/**
 	 * Returns the number of registered plugins?
 	 * @returns {Number}
 	 * @since 2.1.5
 	 */
 	count: function() {
 		return this._plugins.length;
 	},
 
 	/**
 	 * Returns all registered plugin instances.
 	 * @returns {Array} array of plugin objects.
 	 * @since 2.1.5
 	 */
 	getAll: function() {
 		return this._plugins;
 	},
 
 	/**
 	 * Calls enabled plugins for `chart` on the specified hook and with the given args.
 	 * This method immediately returns as soon as a plugin explicitly returns false. The
 	 * returned value can be used, for instance, to interrupt the current action.
 	 * @param {Object} chart - The chart instance for which plugins should be called.
 	 * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate').
 	 * @param {Array} [args] - Extra arguments to apply to the hook call.
 	 * @returns {Boolean} false if any of the plugins return false, else returns true.
 	 */
 	notify: function(chart, hook, args) {
 		var descriptors = this.descriptors(chart);
 		var ilen = descriptors.length;
 		var i, descriptor, plugin, params, method;
 
 		for (i = 0; i < ilen; ++i) {
 			descriptor = descriptors[i];
 			plugin = descriptor.plugin;
 			method = plugin[hook];
 			if (typeof method === 'function') {
 				params = [chart].concat(args || []);
 				params.push(descriptor.options);
 				if (method.apply(plugin, params) === false) {
 					return false;
 				}
 			}
 		}
 
 		return true;
 	},
 
 	/**
 	 * Returns descriptors of enabled plugins for the given chart.
 	 * @returns {Array} [{ plugin, options }]
 	 * @private
 	 */
 	descriptors: function(chart) {
 		var cache = chart.$plugins || (chart.$plugins = {});
 		if (cache.id === this._cacheId) {
 			return cache.descriptors;
 		}
 
 		var plugins = [];
 		var descriptors = [];
 		var config = (chart && chart.config) || {};
 		var options = (config.options && config.options.plugins) || {};
 
 		this._plugins.concat(config.plugins || []).forEach(function(plugin) {
 			var idx = plugins.indexOf(plugin);
 			if (idx !== -1) {
 				return;
 			}
 
 			var id = plugin.id;
 			var opts = options[id];
 			if (opts === false) {
 				return;
 			}
 
 			if (opts === true) {
 				opts = helpers.clone(defaults.global.plugins[id]);
 			}
 
 			plugins.push(plugin);
 			descriptors.push({
 				plugin: plugin,
 				options: opts || {}
 			});
 		});
 
 		cache.descriptors = descriptors;
 		cache.id = this._cacheId;
 		return descriptors;
 	},
 
 	/**
 	 * Invalidates cache for the given chart: descriptors hold a reference on plugin option,
 	 * but in some cases, this reference can be changed by the user when updating options.
 	 * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167
 	 * @private
 	 */
 	_invalidate: function(chart) {
 		delete chart.$plugins;
 	}
 };
 
 /**
  * Plugin extension hooks.
  * @interface IPlugin
  * @since 2.1.0
  */
 /**
  * @method IPlugin#beforeInit
  * @desc Called before initializing `chart`.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#afterInit
  * @desc Called after `chart` has been initialized and before the first update.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeUpdate
  * @desc Called before updating `chart`. If any plugin returns `false`, the update
  * is cancelled (and thus subsequent render(s)) until another `update` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart update.
  */
 /**
  * @method IPlugin#afterUpdate
  * @desc Called after `chart` has been updated and before rendering. Note that this
  * hook will not be called if the chart update has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeDatasetsUpdate
  * @desc Called before updating the `chart` datasets. If any plugin returns `false`,
  * the datasets update is cancelled until another `update` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} false to cancel the datasets update.
  * @since version 2.1.5
 */
 /**
  * @method IPlugin#afterDatasetsUpdate
  * @desc Called after the `chart` datasets have been updated. Note that this hook
  * will not be called if the datasets update has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  * @since version 2.1.5
  */
 /**
  * @method IPlugin#beforeDatasetUpdate
  * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin
  * returns `false`, the datasets update is cancelled until another `update` is triggered.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Number} args.index - The dataset index.
  * @param {Object} args.meta - The dataset metadata.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart datasets drawing.
  */
 /**
  * @method IPlugin#afterDatasetUpdate
  * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note
  * that this hook will not be called if the datasets update has been previously cancelled.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Number} args.index - The dataset index.
  * @param {Object} args.meta - The dataset metadata.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeLayout
  * @desc Called before laying out `chart`. If any plugin returns `false`,
  * the layout update is cancelled until another `update` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart layout.
  */
 /**
  * @method IPlugin#afterLayout
  * @desc Called after the `chart` has been layed out. Note that this hook will not
  * be called if the layout update has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeRender
  * @desc Called before rendering `chart`. If any plugin returns `false`,
  * the rendering is cancelled until another `render` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart rendering.
  */
 /**
  * @method IPlugin#afterRender
  * @desc Called after the `chart` has been fully rendered (and animation completed). Note
  * that this hook will not be called if the rendering has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeDraw
  * @desc Called before drawing `chart` at every animation frame specified by the given
  * easing value. If any plugin returns `false`, the frame drawing is cancelled until
  * another `render` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart drawing.
  */
 /**
  * @method IPlugin#afterDraw
  * @desc Called after the `chart` has been drawn for the specific easing value. Note
  * that this hook will not be called if the drawing has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeDatasetsDraw
  * @desc Called before drawing the `chart` datasets. If any plugin returns `false`,
  * the datasets drawing is cancelled until another `render` is triggered.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart datasets drawing.
  */
 /**
  * @method IPlugin#afterDatasetsDraw
  * @desc Called after the `chart` datasets have been drawn. Note that this hook
  * will not be called if the datasets drawing has been previously cancelled.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Number} easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeDatasetDraw
  * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets
  * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing
  * is cancelled until another `render` is triggered.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Number} args.index - The dataset index.
  * @param {Object} args.meta - The dataset metadata.
  * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart datasets drawing.
  */
 /**
  * @method IPlugin#afterDatasetDraw
  * @desc Called after the `chart` datasets at the given `args.index` have been drawn
  * (datasets are drawn in the reverse order). Note that this hook will not be called
  * if the datasets drawing has been previously cancelled.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Number} args.index - The dataset index.
  * @param {Object} args.meta - The dataset metadata.
  * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeTooltipDraw
  * @desc Called before drawing the `tooltip`. If any plugin returns `false`,
  * the tooltip drawing is cancelled until another `render` is triggered.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Object} args.tooltip - The tooltip.
  * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  * @returns {Boolean} `false` to cancel the chart tooltip drawing.
  */
 /**
  * @method IPlugin#afterTooltipDraw
  * @desc Called after drawing the `tooltip`. Note that this hook will not
  * be called if the tooltip drawing has been previously cancelled.
  * @param {Chart} chart - The chart instance.
  * @param {Object} args - The call arguments.
  * @param {Object} args.tooltip - The tooltip.
  * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#beforeEvent
  * @desc Called before processing the specified `event`. If any plugin returns `false`,
  * the event will be discarded.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {IEvent} event - The event object.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#afterEvent
  * @desc Called after the `event` has been consumed. Note that this hook
  * will not be called if the `event` has been previously discarded.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {IEvent} event - The event object.
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#resize
  * @desc Called after the chart as been resized.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Number} size - The new canvas display size (eq. canvas.style width & height).
  * @param {Object} options - The plugin options.
  */
 /**
  * @method IPlugin#destroy
  * @desc Called after the chart as been destroyed.
  * @param {Chart.Controller} chart - The chart instance.
  * @param {Object} options - The plugin options.
  */
 
 },{"26":26,"46":46}],33:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 var Ticks = require(35);
 
 defaults._set('scale', {
 	display: true,
 	position: 'left',
 	offset: false,
 
 	// grid line settings
 	gridLines: {
 		display: true,
 		color: 'rgba(0, 0, 0, 0.1)',
 		lineWidth: 1,
 		drawBorder: true,
 		drawOnChartArea: true,
 		drawTicks: true,
 		tickMarkLength: 10,
 		zeroLineWidth: 1,
 		zeroLineColor: 'rgba(0,0,0,0.25)',
 		zeroLineBorderDash: [],
 		zeroLineBorderDashOffset: 0.0,
 		offsetGridLines: false,
 		borderDash: [],
 		borderDashOffset: 0.0
 	},
 
 	// scale label
 	scaleLabel: {
 		// display property
 		display: false,
 
 		// actual label
 		labelString: '',
 
 		// line height
 		lineHeight: 1.2,
 
 		// top/bottom padding
 		padding: {
 			top: 4,
 			bottom: 4
 		}
 	},
 
 	// label settings
 	ticks: {
 		beginAtZero: false,
 		minRotation: 0,
 		maxRotation: 50,
 		mirror: false,
 		padding: 0,
 		reverse: false,
 		display: true,
 		autoSkip: true,
 		autoSkipPadding: 0,
 		labelOffset: 0,
 		// We pass through arrays to be rendered as multiline labels, we convert Others to strings here.
 		callback: Ticks.formatters.values,
 		minor: {},
 		major: {}
 	}
 });
 
 function labelsFromTicks(ticks) {
 	var labels = [];
 	var i, ilen;
 
 	for (i = 0, ilen = ticks.length; i < ilen; ++i) {
 		labels.push(ticks[i].label);
 	}
 
 	return labels;
 }
 
 function getLineValue(scale, index, offsetGridLines) {
 	var lineValue = scale.getPixelForTick(index);
 
 	if (offsetGridLines) {
 		if (index === 0) {
 			lineValue -= (scale.getPixelForTick(1) - lineValue) / 2;
 		} else {
 			lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2;
 		}
 	}
 	return lineValue;
 }
 
 function computeTextSize(context, tick, font) {
 	return helpers.isArray(tick) ?
 		helpers.longestText(context, font, tick) :
 		context.measureText(tick).width;
 }
 
 function parseFontOptions(options) {
 	var valueOrDefault = helpers.valueOrDefault;
 	var globalDefaults = defaults.global;
 	var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize);
 	var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle);
 	var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily);
 
 	return {
 		size: size,
 		style: style,
 		family: family,
 		font: helpers.fontString(size, style, family)
 	};
 }
 
 function parseLineHeight(options) {
 	return helpers.options.toLineHeight(
 		helpers.valueOrDefault(options.lineHeight, 1.2),
 		helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize));
 }
 
 module.exports = Element.extend({
 	/**
 	 * Get the padding needed for the scale
 	 * @method getPadding
 	 * @private
 	 * @returns {Padding} the necessary padding
 	 */
 	getPadding: function() {
 		var me = this;
 		return {
 			left: me.paddingLeft || 0,
 			top: me.paddingTop || 0,
 			right: me.paddingRight || 0,
 			bottom: me.paddingBottom || 0
 		};
 	},
 
 	/**
 	 * Returns the scale tick objects ({label, major})
 	 * @since 2.7
 	 */
 	getTicks: function() {
 		return this._ticks;
 	},
 
 	// These methods are ordered by lifecyle. Utilities then follow.
 	// Any function defined here is inherited by all scale types.
 	// Any function can be extended by the scale type
 
 	mergeTicksOptions: function() {
 		var ticks = this.options.ticks;
 		if (ticks.minor === false) {
 			ticks.minor = {
 				display: false
 			};
 		}
 		if (ticks.major === false) {
 			ticks.major = {
 				display: false
 			};
 		}
 		for (var key in ticks) {
 			if (key !== 'major' && key !== 'minor') {
 				if (typeof ticks.minor[key] === 'undefined') {
 					ticks.minor[key] = ticks[key];
 				}
 				if (typeof ticks.major[key] === 'undefined') {
 					ticks.major[key] = ticks[key];
 				}
 			}
 		}
 	},
 	beforeUpdate: function() {
 		helpers.callback(this.options.beforeUpdate, [this]);
 	},
 
 	update: function(maxWidth, maxHeight, margins) {
 		var me = this;
 		var i, ilen, labels, label, ticks, tick;
 
 		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
 		me.beforeUpdate();
 
 		// Absorb the master measurements
 		me.maxWidth = maxWidth;
 		me.maxHeight = maxHeight;
 		me.margins = helpers.extend({
 			left: 0,
 			right: 0,
 			top: 0,
 			bottom: 0
 		}, margins);
 		me.longestTextCache = me.longestTextCache || {};
 
 		// Dimensions
 		me.beforeSetDimensions();
 		me.setDimensions();
 		me.afterSetDimensions();
 
 		// Data min/max
 		me.beforeDataLimits();
 		me.determineDataLimits();
 		me.afterDataLimits();
 
 		// Ticks - `this.ticks` is now DEPRECATED!
 		// Internal ticks are now stored as objects in the PRIVATE `this._ticks` member
 		// and must not be accessed directly from outside this class. `this.ticks` being
 		// around for long time and not marked as private, we can't change its structure
 		// without unexpected breaking changes. If you need to access the scale ticks,
 		// use scale.getTicks() instead.
 
 		me.beforeBuildTicks();
 
 		// New implementations should return an array of objects but for BACKWARD COMPAT,
 		// we still support no return (`this.ticks` internally set by calling this method).
 		ticks = me.buildTicks() || [];
 
 		me.afterBuildTicks();
 
 		me.beforeTickToLabelConversion();
 
 		// New implementations should return the formatted tick labels but for BACKWARD
 		// COMPAT, we still support no return (`this.ticks` internally changed by calling
 		// this method and supposed to contain only string values).
 		labels = me.convertTicksToLabels(ticks) || me.ticks;
 
 		me.afterTickToLabelConversion();
 
 		me.ticks = labels;   // BACKWARD COMPATIBILITY
 
 		// IMPORTANT: from this point, we consider that `this.ticks` will NEVER change!
 
 		// BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`)
 		for (i = 0, ilen = labels.length; i < ilen; ++i) {
 			label = labels[i];
 			tick = ticks[i];
 			if (!tick) {
 				ticks.push(tick = {
 					label: label,
 					major: false
 				});
 			} else {
 				tick.label = label;
 			}
 		}
 
 		me._ticks = ticks;
 
 		// Tick Rotation
 		me.beforeCalculateTickRotation();
 		me.calculateTickRotation();
 		me.afterCalculateTickRotation();
 		// Fit
 		me.beforeFit();
 		me.fit();
 		me.afterFit();
 		//
 		me.afterUpdate();
 
 		return me.minSize;
 
 	},
 	afterUpdate: function() {
 		helpers.callback(this.options.afterUpdate, [this]);
 	},
 
 	//
 
 	beforeSetDimensions: function() {
 		helpers.callback(this.options.beforeSetDimensions, [this]);
 	},
 	setDimensions: function() {
 		var me = this;
 		// Set the unconstrained dimension before label rotation
 		if (me.isHorizontal()) {
 			// Reset position before calculating rotation
 			me.width = me.maxWidth;
 			me.left = 0;
 			me.right = me.width;
 		} else {
 			me.height = me.maxHeight;
 
 			// Reset position before calculating rotation
 			me.top = 0;
 			me.bottom = me.height;
 		}
 
 		// Reset padding
 		me.paddingLeft = 0;
 		me.paddingTop = 0;
 		me.paddingRight = 0;
 		me.paddingBottom = 0;
 	},
 	afterSetDimensions: function() {
 		helpers.callback(this.options.afterSetDimensions, [this]);
 	},
 
 	// Data limits
 	beforeDataLimits: function() {
 		helpers.callback(this.options.beforeDataLimits, [this]);
 	},
 	determineDataLimits: helpers.noop,
 	afterDataLimits: function() {
 		helpers.callback(this.options.afterDataLimits, [this]);
 	},
 
 	//
 	beforeBuildTicks: function() {
 		helpers.callback(this.options.beforeBuildTicks, [this]);
 	},
 	buildTicks: helpers.noop,
 	afterBuildTicks: function() {
 		helpers.callback(this.options.afterBuildTicks, [this]);
 	},
 
 	beforeTickToLabelConversion: function() {
 		helpers.callback(this.options.beforeTickToLabelConversion, [this]);
 	},
 	convertTicksToLabels: function() {
 		var me = this;
 		// Convert ticks to strings
 		var tickOpts = me.options.ticks;
 		me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this);
 	},
 	afterTickToLabelConversion: function() {
 		helpers.callback(this.options.afterTickToLabelConversion, [this]);
 	},
 
 	//
 
 	beforeCalculateTickRotation: function() {
 		helpers.callback(this.options.beforeCalculateTickRotation, [this]);
 	},
 	calculateTickRotation: function() {
 		var me = this;
 		var context = me.ctx;
 		var tickOpts = me.options.ticks;
 		var labels = labelsFromTicks(me._ticks);
 
 		// Get the width of each grid by calculating the difference
 		// between x offsets between 0 and 1.
 		var tickFont = parseFontOptions(tickOpts);
 		context.font = tickFont.font;
 
 		var labelRotation = tickOpts.minRotation || 0;
 
 		if (labels.length && me.options.display && me.isHorizontal()) {
 			var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache);
 			var labelWidth = originalLabelWidth;
 			var cosRotation, sinRotation;
 
 			// Allow 3 pixels x2 padding either side for label readability
 			var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6;
 
 			// Max label rotation can be set or default to 90 - also act as a loop counter
 			while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) {
 				var angleRadians = helpers.toRadians(labelRotation);
 				cosRotation = Math.cos(angleRadians);
 				sinRotation = Math.sin(angleRadians);
 
 				if (sinRotation * originalLabelWidth > me.maxHeight) {
 					// go back one step
 					labelRotation--;
 					break;
 				}
 
 				labelRotation++;
 				labelWidth = cosRotation * originalLabelWidth;
 			}
 		}
 
 		me.labelRotation = labelRotation;
 	},
 	afterCalculateTickRotation: function() {
 		helpers.callback(this.options.afterCalculateTickRotation, [this]);
 	},
 
 	//
 
 	beforeFit: function() {
 		helpers.callback(this.options.beforeFit, [this]);
 	},
 	fit: function() {
 		var me = this;
 		// Reset
 		var minSize = me.minSize = {
 			width: 0,
 			height: 0
 		};
 
 		var labels = labelsFromTicks(me._ticks);
 
 		var opts = me.options;
 		var tickOpts = opts.ticks;
 		var scaleLabelOpts = opts.scaleLabel;
 		var gridLineOpts = opts.gridLines;
 		var display = opts.display;
 		var isHorizontal = me.isHorizontal();
 
 		var tickFont = parseFontOptions(tickOpts);
 		var tickMarkLength = opts.gridLines.tickMarkLength;
 
 		// Width
 		if (isHorizontal) {
 			// subtract the margins to line up with the chartArea if we are a full width scale
 			minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth;
 		} else {
 			minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0;
 		}
 
 		// height
 		if (isHorizontal) {
 			minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0;
 		} else {
 			minSize.height = me.maxHeight; // fill all the height
 		}
 
 		// Are we showing a title for the scale?
 		if (scaleLabelOpts.display && display) {
 			var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts);
 			var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding);
 			var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height;
 
 			if (isHorizontal) {
 				minSize.height += deltaHeight;
 			} else {
 				minSize.width += deltaHeight;
 			}
 		}
 
 		// Don't bother fitting the ticks if we are not showing them
 		if (tickOpts.display && display) {
 			var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache);
 			var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels);
 			var lineSpace = tickFont.size * 0.5;
 			var tickPadding = me.options.ticks.padding;
 
 			if (isHorizontal) {
 				// A horizontal axis is more constrained by the height.
 				me.longestLabelWidth = largestTextWidth;
 
 				var angleRadians = helpers.toRadians(me.labelRotation);
 				var cosRotation = Math.cos(angleRadians);
 				var sinRotation = Math.sin(angleRadians);
 
 				// TODO - improve this calculation
 				var labelHeight = (sinRotation * largestTextWidth)
 					+ (tickFont.size * tallestLabelHeightInLines)
 					+ (lineSpace * (tallestLabelHeightInLines - 1))
 					+ lineSpace; // padding
 
 				minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding);
 
 				me.ctx.font = tickFont.font;
 				var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font);
 				var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font);
 
 				// Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned
 				// which means that the right padding is dominated by the font height
 				if (me.labelRotation !== 0) {
 					me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges
 					me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3;
 				} else {
 					me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges
 					me.paddingRight = lastLabelWidth / 2 + 3;
 				}
 			} else {
 				// A vertical axis is more constrained by the width. Labels are the
 				// dominant factor here, so get that length first and account for padding
 				if (tickOpts.mirror) {
 					largestTextWidth = 0;
 				} else {
 					// use lineSpace for consistency with horizontal axis
 					// tickPadding is not implemented for horizontal
 					largestTextWidth += tickPadding + lineSpace;
 				}
 
 				minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth);
 
 				me.paddingTop = tickFont.size / 2;
 				me.paddingBottom = tickFont.size / 2;
 			}
 		}
 
 		me.handleMargins();
 
 		me.width = minSize.width;
 		me.height = minSize.height;
 	},
 
 	/**
 	 * Handle margins and padding interactions
 	 * @private
 	 */
 	handleMargins: function() {
 		var me = this;
 		if (me.margins) {
 			me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0);
 			me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0);
 			me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0);
 			me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0);
 		}
 	},
 
 	afterFit: function() {
 		helpers.callback(this.options.afterFit, [this]);
 	},
 
 	// Shared Methods
 	isHorizontal: function() {
 		return this.options.position === 'top' || this.options.position === 'bottom';
 	},
 	isFullWidth: function() {
 		return (this.options.fullWidth);
 	},
 
 	// Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not
 	getRightValue: function(rawValue) {
 		// Null and undefined values first
 		if (helpers.isNullOrUndef(rawValue)) {
 			return NaN;
 		}
 		// isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values
 		if (typeof rawValue === 'number' && !isFinite(rawValue)) {
 			return NaN;
 		}
 		// If it is in fact an object, dive in one more level
 		if (rawValue) {
 			if (this.isHorizontal()) {
 				if (rawValue.x !== undefined) {
 					return this.getRightValue(rawValue.x);
 				}
 			} else if (rawValue.y !== undefined) {
 				return this.getRightValue(rawValue.y);
 			}
 		}
 
 		// Value is good, return it
 		return rawValue;
 	},
 
 	/**
 	 * Used to get the value to display in the tooltip for the data at the given index
 	 * @param index
 	 * @param datasetIndex
 	 */
 	getLabelForIndex: helpers.noop,
 
 	/**
 	 * Returns the location of the given data point. Value can either be an index or a numerical value
 	 * The coordinate (0, 0) is at the upper-left corner of the canvas
 	 * @param value
 	 * @param index
 	 * @param datasetIndex
 	 */
 	getPixelForValue: helpers.noop,
 
 	/**
 	 * Used to get the data value from a given pixel. This is the inverse of getPixelForValue
 	 * The coordinate (0, 0) is at the upper-left corner of the canvas
 	 * @param pixel
 	 */
 	getValueForPixel: helpers.noop,
 
 	/**
 	 * Returns the location of the tick at the given index
 	 * The coordinate (0, 0) is at the upper-left corner of the canvas
 	 */
 	getPixelForTick: function(index) {
 		var me = this;
 		var offset = me.options.offset;
 		if (me.isHorizontal()) {
 			var innerWidth = me.width - (me.paddingLeft + me.paddingRight);
 			var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1);
 			var pixel = (tickWidth * index) + me.paddingLeft;
 
 			if (offset) {
 				pixel += tickWidth / 2;
 			}
 
 			var finalVal = me.left + Math.round(pixel);
 			finalVal += me.isFullWidth() ? me.margins.left : 0;
 			return finalVal;
 		}
 		var innerHeight = me.height - (me.paddingTop + me.paddingBottom);
 		return me.top + (index * (innerHeight / (me._ticks.length - 1)));
 	},
 
 	/**
 	 * Utility for getting the pixel location of a percentage of scale
 	 * The coordinate (0, 0) is at the upper-left corner of the canvas
 	 */
 	getPixelForDecimal: function(decimal) {
 		var me = this;
 		if (me.isHorizontal()) {
 			var innerWidth = me.width - (me.paddingLeft + me.paddingRight);
 			var valueOffset = (innerWidth * decimal) + me.paddingLeft;
 
 			var finalVal = me.left + Math.round(valueOffset);
 			finalVal += me.isFullWidth() ? me.margins.left : 0;
 			return finalVal;
 		}
 		return me.top + (decimal * me.height);
 	},
 
 	/**
 	 * Returns the pixel for the minimum chart value
 	 * The coordinate (0, 0) is at the upper-left corner of the canvas
 	 */
 	getBasePixel: function() {
 		return this.getPixelForValue(this.getBaseValue());
 	},
 
 	getBaseValue: function() {
 		var me = this;
 		var min = me.min;
 		var max = me.max;
 
 		return me.beginAtZero ? 0 :
 			min < 0 && max < 0 ? max :
 			min > 0 && max > 0 ? min :
 			0;
 	},
 
 	/**
 	 * Returns a subset of ticks to be plotted to avoid overlapping labels.
 	 * @private
 	 */
 	_autoSkip: function(ticks) {
 		var skipRatio;
 		var me = this;
 		var isHorizontal = me.isHorizontal();
 		var optionTicks = me.options.ticks.minor;
 		var tickCount = ticks.length;
 		var labelRotationRadians = helpers.toRadians(me.labelRotation);
 		var cosRotation = Math.cos(labelRotationRadians);
 		var longestRotatedLabel = me.longestLabelWidth * cosRotation;
 		var result = [];
 		var i, tick, shouldSkip;
 
 		// figure out the maximum number of gridlines to show
 		var maxTicks;
 		if (optionTicks.maxTicksLimit) {
 			maxTicks = optionTicks.maxTicksLimit;
 		}
 
 		if (isHorizontal) {
 			skipRatio = false;
 
 			if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) {
 				skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight)));
 			}
 
 			// if they defined a max number of optionTicks,
 			// increase skipRatio until that number is met
 			if (maxTicks && tickCount > maxTicks) {
 				skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks));
 			}
 		}
 
 		for (i = 0; i < tickCount; i++) {
 			tick = ticks[i];
 
 			// Since we always show the last tick,we need may need to hide the last shown one before
 			shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount);
 			if (shouldSkip && i !== tickCount - 1) {
 				// leave tick in place but make sure it's not displayed (#4635)
 				delete tick.label;
 			}
 			result.push(tick);
 		}
 		return result;
 	},
 
 	// Actually draw the scale on the canvas
 	// @param {rectangle} chartArea : the area of the chart to draw full grid lines on
 	draw: function(chartArea) {
 		var me = this;
 		var options = me.options;
 		if (!options.display) {
 			return;
 		}
 
 		var context = me.ctx;
 		var globalDefaults = defaults.global;
 		var optionTicks = options.ticks.minor;
 		var optionMajorTicks = options.ticks.major || optionTicks;
 		var gridLines = options.gridLines;
 		var scaleLabel = options.scaleLabel;
 
 		var isRotated = me.labelRotation !== 0;
 		var isHorizontal = me.isHorizontal();
 
 		var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks();
 		var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor);
 		var tickFont = parseFontOptions(optionTicks);
 		var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor);
 		var majorTickFont = parseFontOptions(optionMajorTicks);
 
 		var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0;
 
 		var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor);
 		var scaleLabelFont = parseFontOptions(scaleLabel);
 		var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding);
 		var labelRotationRadians = helpers.toRadians(me.labelRotation);
 
 		var itemsToDraw = [];
 
 		var axisWidth = me.options.gridLines.lineWidth;
 		var xTickStart = options.position === 'right' ? me.left : me.right - axisWidth - tl;
 		var xTickEnd = options.position === 'right' ? me.left + tl : me.right;
 		var yTickStart = options.position === 'bottom' ? me.top + axisWidth : me.bottom - tl - axisWidth;
 		var yTickEnd = options.position === 'bottom' ? me.top + axisWidth + tl : me.bottom + axisWidth;
 
 		helpers.each(ticks, function(tick, index) {
 			// autoskipper skipped this tick (#4635)
 			if (helpers.isNullOrUndef(tick.label)) {
 				return;
 			}
 
 			var label = tick.label;
 			var lineWidth, lineColor, borderDash, borderDashOffset;
 			if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) {
 				// Draw the first index specially
 				lineWidth = gridLines.zeroLineWidth;
 				lineColor = gridLines.zeroLineColor;
 				borderDash = gridLines.zeroLineBorderDash;
 				borderDashOffset = gridLines.zeroLineBorderDashOffset;
 			} else {
 				lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index);
 				lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index);
 				borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash);
 				borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset);
 			}
 
 			// Common properties
 			var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY;
 			var textAlign = 'middle';
 			var textBaseline = 'middle';
 			var tickPadding = optionTicks.padding;
 
 			if (isHorizontal) {
 				var labelYOffset = tl + tickPadding;
 
 				if (options.position === 'bottom') {
 					// bottom
 					textBaseline = !isRotated ? 'top' : 'middle';
 					textAlign = !isRotated ? 'center' : 'right';
 					labelY = me.top + labelYOffset;
 				} else {
 					// top
 					textBaseline = !isRotated ? 'bottom' : 'middle';
 					textAlign = !isRotated ? 'center' : 'left';
 					labelY = me.bottom - labelYOffset;
 				}
 
 				var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);
 				if (xLineValue < me.left) {
 					lineColor = 'rgba(0,0,0,0)';
 				}
 				xLineValue += helpers.aliasPixel(lineWidth);
 
 				labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option)
 
 				tx1 = tx2 = x1 = x2 = xLineValue;
 				ty1 = yTickStart;
 				ty2 = yTickEnd;
 				y1 = chartArea.top;
 				y2 = chartArea.bottom + axisWidth;
 			} else {
 				var isLeft = options.position === 'left';
 				var labelXOffset;
 
 				if (optionTicks.mirror) {
 					textAlign = isLeft ? 'left' : 'right';
 					labelXOffset = tickPadding;
 				} else {
 					textAlign = isLeft ? 'right' : 'left';
 					labelXOffset = tl + tickPadding;
 				}
 
 				labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset;
 
 				var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1);
 				if (yLineValue < me.top) {
 					lineColor = 'rgba(0,0,0,0)';
 				}
 				yLineValue += helpers.aliasPixel(lineWidth);
 
 				labelY = me.getPixelForTick(index) + optionTicks.labelOffset;
 
 				tx1 = xTickStart;
 				tx2 = xTickEnd;
 				x1 = chartArea.left;
 				x2 = chartArea.right + axisWidth;
 				ty1 = ty2 = y1 = y2 = yLineValue;
 			}
 
 			itemsToDraw.push({
 				tx1: tx1,
 				ty1: ty1,
 				tx2: tx2,
 				ty2: ty2,
 				x1: x1,
 				y1: y1,
 				x2: x2,
 				y2: y2,
 				labelX: labelX,
 				labelY: labelY,
 				glWidth: lineWidth,
 				glColor: lineColor,
 				glBorderDash: borderDash,
 				glBorderDashOffset: borderDashOffset,
 				rotation: -1 * labelRotationRadians,
 				label: label,
 				major: tick.major,
 				textBaseline: textBaseline,
 				textAlign: textAlign
 			});
 		});
 
 		// Draw all of the tick labels, tick marks, and grid lines at the correct places
 		helpers.each(itemsToDraw, function(itemToDraw) {
 			if (gridLines.display) {
 				context.save();
 				context.lineWidth = itemToDraw.glWidth;
 				context.strokeStyle = itemToDraw.glColor;
 				if (context.setLineDash) {
 					context.setLineDash(itemToDraw.glBorderDash);
 					context.lineDashOffset = itemToDraw.glBorderDashOffset;
 				}
 
 				context.beginPath();
 
 				if (gridLines.drawTicks) {
 					context.moveTo(itemToDraw.tx1, itemToDraw.ty1);
 					context.lineTo(itemToDraw.tx2, itemToDraw.ty2);
 				}
 
 				if (gridLines.drawOnChartArea) {
 					context.moveTo(itemToDraw.x1, itemToDraw.y1);
 					context.lineTo(itemToDraw.x2, itemToDraw.y2);
 				}
 
 				context.stroke();
 				context.restore();
 			}
 
 			if (optionTicks.display) {
 				// Make sure we draw text in the correct color and font
 				context.save();
 				context.translate(itemToDraw.labelX, itemToDraw.labelY);
 				context.rotate(itemToDraw.rotation);
 				context.font = itemToDraw.major ? majorTickFont.font : tickFont.font;
 				context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor;
 				context.textBaseline = itemToDraw.textBaseline;
 				context.textAlign = itemToDraw.textAlign;
 
 				var label = itemToDraw.label;
 				if (helpers.isArray(label)) {
 					var lineCount = label.length;
 					var lineHeight = tickFont.size * 1.5;
 					var y = me.isHorizontal() ? 0 : -lineHeight * (lineCount - 1) / 2;
 
 					for (var i = 0; i < lineCount; ++i) {
 						// We just make sure the multiline element is a string here..
 						context.fillText('' + label[i], 0, y);
 						// apply same lineSpacing as calculated @ L#320
 						y += lineHeight;
 					}
 				} else {
 					context.fillText(label, 0, 0);
 				}
 				context.restore();
 			}
 		});
 
 		if (scaleLabel.display) {
 			// Draw the scale label
 			var scaleLabelX;
 			var scaleLabelY;
 			var rotation = 0;
 			var halfLineHeight = parseLineHeight(scaleLabel) / 2;
 
 			if (isHorizontal) {
 				scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width
 				scaleLabelY = options.position === 'bottom'
 					? me.bottom - halfLineHeight - scaleLabelPadding.bottom
 					: me.top + halfLineHeight + scaleLabelPadding.top;
 			} else {
 				var isLeft = options.position === 'left';
 				scaleLabelX = isLeft
 					? me.left + halfLineHeight + scaleLabelPadding.top
 					: me.right - halfLineHeight - scaleLabelPadding.top;
 				scaleLabelY = me.top + ((me.bottom - me.top) / 2);
 				rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI;
 			}
 
 			context.save();
 			context.translate(scaleLabelX, scaleLabelY);
 			context.rotate(rotation);
 			context.textAlign = 'center';
 			context.textBaseline = 'middle';
 			context.fillStyle = scaleLabelFontColor; // render in correct colour
 			context.font = scaleLabelFont.font;
 			context.fillText(scaleLabel.labelString, 0, 0);
 			context.restore();
 		}
 
 		if (gridLines.drawBorder) {
 			// Draw the line at the edge of the axis
 			context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0);
 			context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0);
 			var x1 = me.left;
 			var x2 = me.right + axisWidth;
 			var y1 = me.top;
 			var y2 = me.bottom + axisWidth;
 
 			var aliasPixel = helpers.aliasPixel(context.lineWidth);
 			if (isHorizontal) {
 				y1 = y2 = options.position === 'top' ? me.bottom : me.top;
 				y1 += aliasPixel;
 				y2 += aliasPixel;
 			} else {
 				x1 = x2 = options.position === 'left' ? me.right : me.left;
 				x1 += aliasPixel;
 				x2 += aliasPixel;
 			}
 
 			context.beginPath();
 			context.moveTo(x1, y1);
 			context.lineTo(x2, y2);
 			context.stroke();
 		}
 	}
 });
 
 },{"26":26,"27":27,"35":35,"46":46}],34:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var helpers = require(46);
 var layouts = require(31);
 
 module.exports = {
 	// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
 	// use the new chart options to grab the correct scale
 	constructors: {},
 	// Use a registration function so that we can move to an ES6 map when we no longer need to support
 	// old browsers
 
 	// Scale config defaults
 	defaults: {},
 	registerScaleType: function(type, scaleConstructor, scaleDefaults) {
 		this.constructors[type] = scaleConstructor;
 		this.defaults[type] = helpers.clone(scaleDefaults);
 	},
 	getScaleConstructor: function(type) {
 		return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
 	},
 	getScaleDefaults: function(type) {
 		// Return the scale defaults merged with the global settings so that we always use the latest ones
 		return this.defaults.hasOwnProperty(type) ? helpers.merge({}, [defaults.scale, this.defaults[type]]) : {};
 	},
 	updateScaleDefaults: function(type, additions) {
 		var me = this;
 		if (me.defaults.hasOwnProperty(type)) {
 			me.defaults[type] = helpers.extend(me.defaults[type], additions);
 		}
 	},
 	addScalesToLayout: function(chart) {
 		// Adds each scale to the chart.boxes array to be sized accordingly
 		helpers.each(chart.scales, function(scale) {
 			// Set ILayoutItem parameters for backwards compatibility
 			scale.fullWidth = scale.options.fullWidth;
 			scale.position = scale.options.position;
 			scale.weight = scale.options.weight;
 			layouts.addBox(chart, scale);
 		});
 	}
 };
 
 },{"26":26,"31":31,"46":46}],35:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 
 /**
  * Namespace to hold static tick generation functions
  * @namespace Chart.Ticks
  */
 module.exports = {
 	/**
 	 * Namespace to hold formatters for different types of ticks
 	 * @namespace Chart.Ticks.formatters
 	 */
 	formatters: {
 		/**
 		 * Formatter for value labels
 		 * @method Chart.Ticks.formatters.values
 		 * @param value the value to display
 		 * @return {String|Array} the label to display
 		 */
 		values: function(value) {
 			return helpers.isArray(value) ? value : '' + value;
 		},
 
 		/**
 		 * Formatter for linear numeric ticks
 		 * @method Chart.Ticks.formatters.linear
 		 * @param tickValue {Number} the value to be formatted
 		 * @param index {Number} the position of the tickValue parameter in the ticks array
 		 * @param ticks {Array<Number>} the list of ticks being converted
 		 * @return {String} string representation of the tickValue parameter
 		 */
 		linear: function(tickValue, index, ticks) {
 			// If we have lots of ticks, don't use the ones
 			var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0];
 
 			// If we have a number like 2.5 as the delta, figure out how many decimal places we need
 			if (Math.abs(delta) > 1) {
 				if (tickValue !== Math.floor(tickValue)) {
 					// not an integer
 					delta = tickValue - Math.floor(tickValue);
 				}
 			}
 
 			var logDelta = helpers.log10(Math.abs(delta));
 			var tickString = '';
 
 			if (tickValue !== 0) {
 				var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1]));
 				if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation
 					var logTick = helpers.log10(Math.abs(tickValue));
 					tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta));
 				} else {
 					var numDecimal = -1 * Math.floor(logDelta);
 					numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
 					tickString = tickValue.toFixed(numDecimal);
 				}
 			} else {
 				tickString = '0'; // never show decimal places for 0
 			}
 
 			return tickString;
 		},
 
 		logarithmic: function(tickValue, index, ticks) {
 			var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue))));
 
 			if (tickValue === 0) {
 				return '0';
 			} else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) {
 				return tickValue.toExponential();
 			}
 			return '';
 		}
 	}
 };
 
 },{"46":46}],36:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 
 defaults._set('global', {
 	tooltips: {
 		enabled: true,
 		custom: null,
 		mode: 'nearest',
 		position: 'average',
 		intersect: true,
 		backgroundColor: 'rgba(0,0,0,0.8)',
 		titleFontStyle: 'bold',
 		titleSpacing: 2,
 		titleMarginBottom: 6,
 		titleFontColor: '#fff',
 		titleAlign: 'left',
 		bodySpacing: 2,
 		bodyFontColor: '#fff',
 		bodyAlign: 'left',
 		footerFontStyle: 'bold',
 		footerSpacing: 2,
 		footerMarginTop: 6,
 		footerFontColor: '#fff',
 		footerAlign: 'left',
 		yPadding: 6,
 		xPadding: 6,
 		caretPadding: 2,
 		caretSize: 5,
 		cornerRadius: 6,
 		multiKeyBackground: '#fff',
 		displayColors: true,
 		borderColor: 'rgba(0,0,0,0)',
 		borderWidth: 0,
 		callbacks: {
 			// Args are: (tooltipItems, data)
 			beforeTitle: helpers.noop,
 			title: function(tooltipItems, data) {
 				// Pick first xLabel for now
 				var title = '';
 				var labels = data.labels;
 				var labelCount = labels ? labels.length : 0;
 
 				if (tooltipItems.length > 0) {
 					var item = tooltipItems[0];
 
 					if (item.xLabel) {
 						title = item.xLabel;
 					} else if (labelCount > 0 && item.index < labelCount) {
 						title = labels[item.index];
 					}
 				}
 
 				return title;
 			},
 			afterTitle: helpers.noop,
 
 			// Args are: (tooltipItems, data)
 			beforeBody: helpers.noop,
 
 			// Args are: (tooltipItem, data)
 			beforeLabel: helpers.noop,
 			label: function(tooltipItem, data) {
 				var label = data.datasets[tooltipItem.datasetIndex].label || '';
 
 				if (label) {
 					label += ': ';
 				}
 				label += tooltipItem.yLabel;
 				return label;
 			},
 			labelColor: function(tooltipItem, chart) {
 				var meta = chart.getDatasetMeta(tooltipItem.datasetIndex);
 				var activeElement = meta.data[tooltipItem.index];
 				var view = activeElement._view;
 				return {
 					borderColor: view.borderColor,
 					backgroundColor: view.backgroundColor
 				};
 			},
 			labelTextColor: function() {
 				return this._options.bodyFontColor;
 			},
 			afterLabel: helpers.noop,
 
 			// Args are: (tooltipItems, data)
 			afterBody: helpers.noop,
 
 			// Args are: (tooltipItems, data)
 			beforeFooter: helpers.noop,
 			footer: helpers.noop,
 			afterFooter: helpers.noop
 		}
 	}
 });
 
 var positioners = {
 	/**
 	 * Average mode places the tooltip at the average position of the elements shown
 	 * @function Chart.Tooltip.positioners.average
 	 * @param elements {ChartElement[]} the elements being displayed in the tooltip
 	 * @returns {Point} tooltip position
 	 */
 	average: function(elements) {
 		if (!elements.length) {
 			return false;
 		}
 
 		var i, len;
 		var x = 0;
 		var y = 0;
 		var count = 0;
 
 		for (i = 0, len = elements.length; i < len; ++i) {
 			var el = elements[i];
 			if (el && el.hasValue()) {
 				var pos = el.tooltipPosition();
 				x += pos.x;
 				y += pos.y;
 				++count;
 			}
 		}
 
 		return {
 			x: Math.round(x / count),
 			y: Math.round(y / count)
 		};
 	},
 
 	/**
 	 * Gets the tooltip position nearest of the item nearest to the event position
 	 * @function Chart.Tooltip.positioners.nearest
 	 * @param elements {Chart.Element[]} the tooltip elements
 	 * @param eventPosition {Point} the position of the event in canvas coordinates
 	 * @returns {Point} the tooltip position
 	 */
 	nearest: function(elements, eventPosition) {
 		var x = eventPosition.x;
 		var y = eventPosition.y;
 		var minDistance = Number.POSITIVE_INFINITY;
 		var i, len, nearestElement;
 
 		for (i = 0, len = elements.length; i < len; ++i) {
 			var el = elements[i];
 			if (el && el.hasValue()) {
 				var center = el.getCenterPoint();
 				var d = helpers.distanceBetweenPoints(eventPosition, center);
 
 				if (d < minDistance) {
 					minDistance = d;
 					nearestElement = el;
 				}
 			}
 		}
 
 		if (nearestElement) {
 			var tp = nearestElement.tooltipPosition();
 			x = tp.x;
 			y = tp.y;
 		}
 
 		return {
 			x: x,
 			y: y
 		};
 	}
 };
 
 /**
  * Helper method to merge the opacity into a color
  */
 function mergeOpacity(colorString, opacity) {
 	var color = helpers.color(colorString);
 	return color.alpha(opacity * color.alpha()).rgbaString();
 }
 
 // Helper to push or concat based on if the 2nd parameter is an array or not
 function pushOrConcat(base, toPush) {
 	if (toPush) {
 		if (helpers.isArray(toPush)) {
 			// base = base.concat(toPush);
 			Array.prototype.push.apply(base, toPush);
 		} else {
 			base.push(toPush);
 		}
 	}
 
 	return base;
 }
 
 /**
  * Returns array of strings split by newline
  * @param {String} value - The value to split by newline.
  * @returns {Array} value if newline present - Returned from String split() method
  * @function
  */
 function splitNewlines(str) {
 	if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) {
 		return str.split('\n');
 	}
 	return str;
 }
 
 
 // Private helper to create a tooltip item model
 // @param element : the chart element (point, arc, bar) to create the tooltip item for
 // @return : new tooltip item
 function createTooltipItem(element) {
 	var xScale = element._xScale;
 	var yScale = element._yScale || element._scale; // handle radar || polarArea charts
 	var index = element._index;
 	var datasetIndex = element._datasetIndex;
 
 	return {
 		xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '',
 		yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '',
 		index: index,
 		datasetIndex: datasetIndex,
 		x: element._model.x,
 		y: element._model.y
 	};
 }
 
 /**
  * Helper to get the reset model for the tooltip
  * @param tooltipOpts {Object} the tooltip options
  */
 function getBaseModel(tooltipOpts) {
 	var globalDefaults = defaults.global;
 	var valueOrDefault = helpers.valueOrDefault;
 
 	return {
 		// Positioning
 		xPadding: tooltipOpts.xPadding,
 		yPadding: tooltipOpts.yPadding,
 		xAlign: tooltipOpts.xAlign,
 		yAlign: tooltipOpts.yAlign,
 
 		// Body
 		bodyFontColor: tooltipOpts.bodyFontColor,
 		_bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily),
 		_bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle),
 		_bodyAlign: tooltipOpts.bodyAlign,
 		bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize),
 		bodySpacing: tooltipOpts.bodySpacing,
 
 		// Title
 		titleFontColor: tooltipOpts.titleFontColor,
 		_titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily),
 		_titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle),
 		titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize),
 		_titleAlign: tooltipOpts.titleAlign,
 		titleSpacing: tooltipOpts.titleSpacing,
 		titleMarginBottom: tooltipOpts.titleMarginBottom,
 
 		// Footer
 		footerFontColor: tooltipOpts.footerFontColor,
 		_footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily),
 		_footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle),
 		footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize),
 		_footerAlign: tooltipOpts.footerAlign,
 		footerSpacing: tooltipOpts.footerSpacing,
 		footerMarginTop: tooltipOpts.footerMarginTop,
 
 		// Appearance
 		caretSize: tooltipOpts.caretSize,
 		cornerRadius: tooltipOpts.cornerRadius,
 		backgroundColor: tooltipOpts.backgroundColor,
 		opacity: 0,
 		legendColorBackground: tooltipOpts.multiKeyBackground,
 		displayColors: tooltipOpts.displayColors,
 		borderColor: tooltipOpts.borderColor,
 		borderWidth: tooltipOpts.borderWidth
 	};
 }
 
 /**
  * Get the size of the tooltip
  */
 function getTooltipSize(tooltip, model) {
 	var ctx = tooltip._chart.ctx;
 
 	var height = model.yPadding * 2; // Tooltip Padding
 	var width = 0;
 
 	// Count of all lines in the body
 	var body = model.body;
 	var combinedBodyLength = body.reduce(function(count, bodyItem) {
 		return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length;
 	}, 0);
 	combinedBodyLength += model.beforeBody.length + model.afterBody.length;
 
 	var titleLineCount = model.title.length;
 	var footerLineCount = model.footer.length;
 	var titleFontSize = model.titleFontSize;
 	var bodyFontSize = model.bodyFontSize;
 	var footerFontSize = model.footerFontSize;
 
 	height += titleLineCount * titleFontSize; // Title Lines
 	height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing
 	height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin
 	height += combinedBodyLength * bodyFontSize; // Body Lines
 	height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing
 	height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin
 	height += footerLineCount * (footerFontSize); // Footer Lines
 	height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing
 
 	// Title width
 	var widthPadding = 0;
 	var maxLineWidth = function(line) {
 		width = Math.max(width, ctx.measureText(line).width + widthPadding);
 	};
 
 	ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily);
 	helpers.each(model.title, maxLineWidth);
 
 	// Body width
 	ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily);
 	helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth);
 
 	// Body lines may include some extra width due to the color box
 	widthPadding = model.displayColors ? (bodyFontSize + 2) : 0;
 	helpers.each(body, function(bodyItem) {
 		helpers.each(bodyItem.before, maxLineWidth);
 		helpers.each(bodyItem.lines, maxLineWidth);
 		helpers.each(bodyItem.after, maxLineWidth);
 	});
 
 	// Reset back to 0
 	widthPadding = 0;
 
 	// Footer width
 	ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily);
 	helpers.each(model.footer, maxLineWidth);
 
 	// Add padding
 	width += 2 * model.xPadding;
 
 	return {
 		width: width,
 		height: height
 	};
 }
 
 /**
  * Helper to get the alignment of a tooltip given the size
  */
 function determineAlignment(tooltip, size) {
 	var model = tooltip._model;
 	var chart = tooltip._chart;
 	var chartArea = tooltip._chart.chartArea;
 	var xAlign = 'center';
 	var yAlign = 'center';
 
 	if (model.y < size.height) {
 		yAlign = 'top';
 	} else if (model.y > (chart.height - size.height)) {
 		yAlign = 'bottom';
 	}
 
 	var lf, rf; // functions to determine left, right alignment
 	var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart
 	var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges
 	var midX = (chartArea.left + chartArea.right) / 2;
 	var midY = (chartArea.top + chartArea.bottom) / 2;
 
 	if (yAlign === 'center') {
 		lf = function(x) {
 			return x <= midX;
 		};
 		rf = function(x) {
 			return x > midX;
 		};
 	} else {
 		lf = function(x) {
 			return x <= (size.width / 2);
 		};
 		rf = function(x) {
 			return x >= (chart.width - (size.width / 2));
 		};
 	}
 
 	olf = function(x) {
 		return x + size.width + model.caretSize + model.caretPadding > chart.width;
 	};
 	orf = function(x) {
 		return x - size.width - model.caretSize - model.caretPadding < 0;
 	};
 	yf = function(y) {
 		return y <= midY ? 'top' : 'bottom';
 	};
 
 	if (lf(model.x)) {
 		xAlign = 'left';
 
 		// Is tooltip too wide and goes over the right side of the chart.?
 		if (olf(model.x)) {
 			xAlign = 'center';
 			yAlign = yf(model.y);
 		}
 	} else if (rf(model.x)) {
 		xAlign = 'right';
 
 		// Is tooltip too wide and goes outside left edge of canvas?
 		if (orf(model.x)) {
 			xAlign = 'center';
 			yAlign = yf(model.y);
 		}
 	}
 
 	var opts = tooltip._options;
 	return {
 		xAlign: opts.xAlign ? opts.xAlign : xAlign,
 		yAlign: opts.yAlign ? opts.yAlign : yAlign
 	};
 }
 
 /**
  * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment
  */
 function getBackgroundPoint(vm, size, alignment, chart) {
 	// Background Position
 	var x = vm.x;
 	var y = vm.y;
 
 	var caretSize = vm.caretSize;
 	var caretPadding = vm.caretPadding;
 	var cornerRadius = vm.cornerRadius;
 	var xAlign = alignment.xAlign;
 	var yAlign = alignment.yAlign;
 	var paddingAndSize = caretSize + caretPadding;
 	var radiusAndPadding = cornerRadius + caretPadding;
 
 	if (xAlign === 'right') {
 		x -= size.width;
 	} else if (xAlign === 'center') {
 		x -= (size.width / 2);
 		if (x + size.width > chart.width) {
 			x = chart.width - size.width;
 		}
 		if (x < 0) {
 			x = 0;
 		}
 	}
 
 	if (yAlign === 'top') {
 		y += paddingAndSize;
 	} else if (yAlign === 'bottom') {
 		y -= size.height + paddingAndSize;
 	} else {
 		y -= (size.height / 2);
 	}
 
 	if (yAlign === 'center') {
 		if (xAlign === 'left') {
 			x += paddingAndSize;
 		} else if (xAlign === 'right') {
 			x -= paddingAndSize;
 		}
 	} else if (xAlign === 'left') {
 		x -= radiusAndPadding;
 	} else if (xAlign === 'right') {
 		x += radiusAndPadding;
 	}
 
 	return {
 		x: x,
 		y: y
 	};
 }
 
 /**
  * Helper to build before and after body lines
  */
 function getBeforeAfterBodyLines(callback) {
 	return pushOrConcat([], splitNewlines(callback));
 }
 
 var exports = module.exports = Element.extend({
 	initialize: function() {
 		this._model = getBaseModel(this._options);
 		this._lastActive = [];
 	},
 
 	// Get the title
 	// Args are: (tooltipItem, data)
 	getTitle: function() {
 		var me = this;
 		var opts = me._options;
 		var callbacks = opts.callbacks;
 
 		var beforeTitle = callbacks.beforeTitle.apply(me, arguments);
 		var title = callbacks.title.apply(me, arguments);
 		var afterTitle = callbacks.afterTitle.apply(me, arguments);
 
 		var lines = [];
 		lines = pushOrConcat(lines, splitNewlines(beforeTitle));
 		lines = pushOrConcat(lines, splitNewlines(title));
 		lines = pushOrConcat(lines, splitNewlines(afterTitle));
 
 		return lines;
 	},
 
 	// Args are: (tooltipItem, data)
 	getBeforeBody: function() {
 		return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments));
 	},
 
 	// Args are: (tooltipItem, data)
 	getBody: function(tooltipItems, data) {
 		var me = this;
 		var callbacks = me._options.callbacks;
 		var bodyItems = [];
 
 		helpers.each(tooltipItems, function(tooltipItem) {
 			var bodyItem = {
 				before: [],
 				lines: [],
 				after: []
 			};
 			pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data)));
 			pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data));
 			pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data)));
 
 			bodyItems.push(bodyItem);
 		});
 
 		return bodyItems;
 	},
 
 	// Args are: (tooltipItem, data)
 	getAfterBody: function() {
 		return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments));
 	},
 
 	// Get the footer and beforeFooter and afterFooter lines
 	// Args are: (tooltipItem, data)
 	getFooter: function() {
 		var me = this;
 		var callbacks = me._options.callbacks;
 
 		var beforeFooter = callbacks.beforeFooter.apply(me, arguments);
 		var footer = callbacks.footer.apply(me, arguments);
 		var afterFooter = callbacks.afterFooter.apply(me, arguments);
 
 		var lines = [];
 		lines = pushOrConcat(lines, splitNewlines(beforeFooter));
 		lines = pushOrConcat(lines, splitNewlines(footer));
 		lines = pushOrConcat(lines, splitNewlines(afterFooter));
 
 		return lines;
 	},
 
 	update: function(changed) {
 		var me = this;
 		var opts = me._options;
 
 		// Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition
 		// that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time
 		// which breaks any animations.
 		var existingModel = me._model;
 		var model = me._model = getBaseModel(opts);
 		var active = me._active;
 
 		var data = me._data;
 
 		// In the case where active.length === 0 we need to keep these at existing values for good animations
 		var alignment = {
 			xAlign: existingModel.xAlign,
 			yAlign: existingModel.yAlign
 		};
 		var backgroundPoint = {
 			x: existingModel.x,
 			y: existingModel.y
 		};
 		var tooltipSize = {
 			width: existingModel.width,
 			height: existingModel.height
 		};
 		var tooltipPosition = {
 			x: existingModel.caretX,
 			y: existingModel.caretY
 		};
 
 		var i, len;
 
 		if (active.length) {
 			model.opacity = 1;
 
 			var labelColors = [];
 			var labelTextColors = [];
 			tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition);
 
 			var tooltipItems = [];
 			for (i = 0, len = active.length; i < len; ++i) {
 				tooltipItems.push(createTooltipItem(active[i]));
 			}
 
 			// If the user provided a filter function, use it to modify the tooltip items
 			if (opts.filter) {
 				tooltipItems = tooltipItems.filter(function(a) {
 					return opts.filter(a, data);
 				});
 			}
 
 			// If the user provided a sorting function, use it to modify the tooltip items
 			if (opts.itemSort) {
 				tooltipItems = tooltipItems.sort(function(a, b) {
 					return opts.itemSort(a, b, data);
 				});
 			}
 
 			// Determine colors for boxes
 			helpers.each(tooltipItems, function(tooltipItem) {
 				labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart));
 				labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart));
 			});
 
 
 			// Build the Text Lines
 			model.title = me.getTitle(tooltipItems, data);
 			model.beforeBody = me.getBeforeBody(tooltipItems, data);
 			model.body = me.getBody(tooltipItems, data);
 			model.afterBody = me.getAfterBody(tooltipItems, data);
 			model.footer = me.getFooter(tooltipItems, data);
 
 			// Initial positioning and colors
 			model.x = Math.round(tooltipPosition.x);
 			model.y = Math.round(tooltipPosition.y);
 			model.caretPadding = opts.caretPadding;
 			model.labelColors = labelColors;
 			model.labelTextColors = labelTextColors;
 
 			// data points
 			model.dataPoints = tooltipItems;
 
 			// We need to determine alignment of the tooltip
 			tooltipSize = getTooltipSize(this, model);
 			alignment = determineAlignment(this, tooltipSize);
 			// Final Size and Position
 			backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart);
 		} else {
 			model.opacity = 0;
 		}
 
 		model.xAlign = alignment.xAlign;
 		model.yAlign = alignment.yAlign;
 		model.x = backgroundPoint.x;
 		model.y = backgroundPoint.y;
 		model.width = tooltipSize.width;
 		model.height = tooltipSize.height;
 
 		// Point where the caret on the tooltip points to
 		model.caretX = tooltipPosition.x;
 		model.caretY = tooltipPosition.y;
 
 		me._model = model;
 
 		if (changed && opts.custom) {
 			opts.custom.call(me, model);
 		}
 
 		return me;
 	},
 
 	drawCaret: function(tooltipPoint, size) {
 		var ctx = this._chart.ctx;
 		var vm = this._view;
 		var caretPosition = this.getCaretPosition(tooltipPoint, size, vm);
 
 		ctx.lineTo(caretPosition.x1, caretPosition.y1);
 		ctx.lineTo(caretPosition.x2, caretPosition.y2);
 		ctx.lineTo(caretPosition.x3, caretPosition.y3);
 	},
 	getCaretPosition: function(tooltipPoint, size, vm) {
 		var x1, x2, x3, y1, y2, y3;
 		var caretSize = vm.caretSize;
 		var cornerRadius = vm.cornerRadius;
 		var xAlign = vm.xAlign;
 		var yAlign = vm.yAlign;
 		var ptX = tooltipPoint.x;
 		var ptY = tooltipPoint.y;
 		var width = size.width;
 		var height = size.height;
 
 		if (yAlign === 'center') {
 			y2 = ptY + (height / 2);
 
 			if (xAlign === 'left') {
 				x1 = ptX;
 				x2 = x1 - caretSize;
 				x3 = x1;
 
 				y1 = y2 + caretSize;
 				y3 = y2 - caretSize;
 			} else {
 				x1 = ptX + width;
 				x2 = x1 + caretSize;
 				x3 = x1;
 
 				y1 = y2 - caretSize;
 				y3 = y2 + caretSize;
 			}
 		} else {
 			if (xAlign === 'left') {
 				x2 = ptX + cornerRadius + (caretSize);
 				x1 = x2 - caretSize;
 				x3 = x2 + caretSize;
 			} else if (xAlign === 'right') {
 				x2 = ptX + width - cornerRadius - caretSize;
 				x1 = x2 - caretSize;
 				x3 = x2 + caretSize;
 			} else {
 				x2 = vm.caretX;
 				x1 = x2 - caretSize;
 				x3 = x2 + caretSize;
 			}
 			if (yAlign === 'top') {
 				y1 = ptY;
 				y2 = y1 - caretSize;
 				y3 = y1;
 			} else {
 				y1 = ptY + height;
 				y2 = y1 + caretSize;
 				y3 = y1;
 				// invert drawing order
 				var tmp = x3;
 				x3 = x1;
 				x1 = tmp;
 			}
 		}
 		return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3};
 	},
 
 	drawTitle: function(pt, vm, ctx, opacity) {
 		var title = vm.title;
 
 		if (title.length) {
 			ctx.textAlign = vm._titleAlign;
 			ctx.textBaseline = 'top';
 
 			var titleFontSize = vm.titleFontSize;
 			var titleSpacing = vm.titleSpacing;
 
 			ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity);
 			ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
 
 			var i, len;
 			for (i = 0, len = title.length; i < len; ++i) {
 				ctx.fillText(title[i], pt.x, pt.y);
 				pt.y += titleFontSize + titleSpacing; // Line Height and spacing
 
 				if (i + 1 === title.length) {
 					pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing
 				}
 			}
 		}
 	},
 
 	drawBody: function(pt, vm, ctx, opacity) {
 		var bodyFontSize = vm.bodyFontSize;
 		var bodySpacing = vm.bodySpacing;
 		var body = vm.body;
 
 		ctx.textAlign = vm._bodyAlign;
 		ctx.textBaseline = 'top';
 		ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
 
 		// Before Body
 		var xLinePadding = 0;
 		var fillLineOfText = function(line) {
 			ctx.fillText(line, pt.x + xLinePadding, pt.y);
 			pt.y += bodyFontSize + bodySpacing;
 		};
 
 		// Before body lines
 		ctx.fillStyle = mergeOpacity(vm.bodyFontColor, opacity);
 		helpers.each(vm.beforeBody, fillLineOfText);
 
 		var drawColorBoxes = vm.displayColors;
 		xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0;
 
 		// Draw body lines now
 		helpers.each(body, function(bodyItem, i) {
 			var textColor = mergeOpacity(vm.labelTextColors[i], opacity);
 			ctx.fillStyle = textColor;
 			helpers.each(bodyItem.before, fillLineOfText);
 
 			helpers.each(bodyItem.lines, function(line) {
 				// Draw Legend-like boxes if needed
 				if (drawColorBoxes) {
 					// Fill a white rect so that colours merge nicely if the opacity is < 1
 					ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity);
 					ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize);
 
 					// Border
 					ctx.lineWidth = 1;
 					ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity);
 					ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize);
 
 					// Inner square
 					ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity);
 					ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2);
 					ctx.fillStyle = textColor;
 				}
 
 				fillLineOfText(line);
 			});
 
 			helpers.each(bodyItem.after, fillLineOfText);
 		});
 
 		// Reset back to 0 for after body
 		xLinePadding = 0;
 
 		// After body lines
 		helpers.each(vm.afterBody, fillLineOfText);
 		pt.y -= bodySpacing; // Remove last body spacing
 	},
 
 	drawFooter: function(pt, vm, ctx, opacity) {
 		var footer = vm.footer;
 
 		if (footer.length) {
 			pt.y += vm.footerMarginTop;
 
 			ctx.textAlign = vm._footerAlign;
 			ctx.textBaseline = 'top';
 
 			ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity);
 			ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
 
 			helpers.each(footer, function(line) {
 				ctx.fillText(line, pt.x, pt.y);
 				pt.y += vm.footerFontSize + vm.footerSpacing;
 			});
 		}
 	},
 
 	drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {
 		ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);
 		ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);
 		ctx.lineWidth = vm.borderWidth;
 		var xAlign = vm.xAlign;
 		var yAlign = vm.yAlign;
 		var x = pt.x;
 		var y = pt.y;
 		var width = tooltipSize.width;
 		var height = tooltipSize.height;
 		var radius = vm.cornerRadius;
 
 		ctx.beginPath();
 		ctx.moveTo(x + radius, y);
 		if (yAlign === 'top') {
 			this.drawCaret(pt, tooltipSize);
 		}
 		ctx.lineTo(x + width - radius, y);
 		ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
 		if (yAlign === 'center' && xAlign === 'right') {
 			this.drawCaret(pt, tooltipSize);
 		}
 		ctx.lineTo(x + width, y + height - radius);
 		ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
 		if (yAlign === 'bottom') {
 			this.drawCaret(pt, tooltipSize);
 		}
 		ctx.lineTo(x + radius, y + height);
 		ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
 		if (yAlign === 'center' && xAlign === 'left') {
 			this.drawCaret(pt, tooltipSize);
 		}
 		ctx.lineTo(x, y + radius);
 		ctx.quadraticCurveTo(x, y, x + radius, y);
 		ctx.closePath();
 
 		ctx.fill();
 
 		if (vm.borderWidth > 0) {
 			ctx.stroke();
 		}
 	},
 
 	draw: function() {
 		var ctx = this._chart.ctx;
 		var vm = this._view;
 
 		if (vm.opacity === 0) {
 			return;
 		}
 
 		var tooltipSize = {
 			width: vm.width,
 			height: vm.height
 		};
 		var pt = {
 			x: vm.x,
 			y: vm.y
 		};
 
 		// IE11/Edge does not like very small opacities, so snap to 0
 		var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;
 
 		// Truthy/falsey value for empty tooltip
 		var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length;
 
 		if (this._options.enabled && hasTooltipContent) {
 			// Draw Background
 			this.drawBackground(pt, vm, ctx, tooltipSize, opacity);
 
 			// Draw Title, Body, and Footer
 			pt.x += vm.xPadding;
 			pt.y += vm.yPadding;
 
 			// Titles
 			this.drawTitle(pt, vm, ctx, opacity);
 
 			// Body
 			this.drawBody(pt, vm, ctx, opacity);
 
 			// Footer
 			this.drawFooter(pt, vm, ctx, opacity);
 		}
 	},
 
 	/**
 	 * Handle an event
 	 * @private
 	 * @param {IEvent} event - The event to handle
 	 * @returns {Boolean} true if the tooltip changed
 	 */
 	handleEvent: function(e) {
 		var me = this;
 		var options = me._options;
 		var changed = false;
 
 		me._lastActive = me._lastActive || [];
 
 		// Find Active Elements for tooltips
 		if (e.type === 'mouseout') {
 			me._active = [];
 		} else {
 			me._active = me._chart.getElementsAtEventForMode(e, options.mode, options);
 		}
 
 		// Remember Last Actives
 		changed = !helpers.arrayEquals(me._active, me._lastActive);
 
 		// Only handle target event on tooltip change
 		if (changed) {
 			me._lastActive = me._active;
 
 			if (options.enabled || options.custom) {
 				me._eventPosition = {
 					x: e.x,
 					y: e.y
 				};
 
 				me.update(true);
 				me.pivot();
 			}
 		}
 
 		return changed;
 	}
 });
 
 /**
  * @namespace Chart.Tooltip.positioners
  */
 exports.positioners = positioners;
 
 
 },{"26":26,"27":27,"46":46}],37:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 
 defaults._set('global', {
 	elements: {
 		arc: {
 			backgroundColor: defaults.global.defaultColor,
 			borderColor: '#fff',
 			borderWidth: 2
 		}
 	}
 });
 
 module.exports = Element.extend({
 	inLabelRange: function(mouseX) {
 		var vm = this._view;
 
 		if (vm) {
 			return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
 		}
 		return false;
 	},
 
 	inRange: function(chartX, chartY) {
 		var vm = this._view;
 
 		if (vm) {
 			var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY});
 			var	angle = pointRelativePosition.angle;
 			var distance = pointRelativePosition.distance;
 
 			// Sanitise angle range
 			var startAngle = vm.startAngle;
 			var endAngle = vm.endAngle;
 			while (endAngle < startAngle) {
 				endAngle += 2.0 * Math.PI;
 			}
 			while (angle > endAngle) {
 				angle -= 2.0 * Math.PI;
 			}
 			while (angle < startAngle) {
 				angle += 2.0 * Math.PI;
 			}
 
 			// Check if within the range of the open/close angle
 			var betweenAngles = (angle >= startAngle && angle <= endAngle);
 			var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius);
 
 			return (betweenAngles && withinRadius);
 		}
 		return false;
 	},
 
 	getCenterPoint: function() {
 		var vm = this._view;
 		var halfAngle = (vm.startAngle + vm.endAngle) / 2;
 		var halfRadius = (vm.innerRadius + vm.outerRadius) / 2;
 		return {
 			x: vm.x + Math.cos(halfAngle) * halfRadius,
 			y: vm.y + Math.sin(halfAngle) * halfRadius
 		};
 	},
 
 	getArea: function() {
 		var vm = this._view;
 		return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2));
 	},
 
 	tooltipPosition: function() {
 		var vm = this._view;
 		var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2);
 		var rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
 
 		return {
 			x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
 			y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
 		};
 	},
 
 	draw: function() {
 		var ctx = this._chart.ctx;
 		var vm = this._view;
 		var sA = vm.startAngle;
 		var eA = vm.endAngle;
 
 		ctx.beginPath();
 
 		ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA);
 		ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true);
 
 		ctx.closePath();
 		ctx.strokeStyle = vm.borderColor;
 		ctx.lineWidth = vm.borderWidth;
 
 		ctx.fillStyle = vm.backgroundColor;
 
 		ctx.fill();
 		ctx.lineJoin = 'bevel';
 
 		if (vm.borderWidth) {
 			ctx.stroke();
 		}
 	}
 });
 
 },{"26":26,"27":27,"46":46}],38:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 
 var globalDefaults = defaults.global;
 
 defaults._set('global', {
 	elements: {
 		line: {
 			tension: 0.4,
 			backgroundColor: globalDefaults.defaultColor,
 			borderWidth: 3,
 			borderColor: globalDefaults.defaultColor,
 			borderCapStyle: 'butt',
 			borderDash: [],
 			borderDashOffset: 0.0,
 			borderJoinStyle: 'miter',
 			capBezierPoints: true,
 			fill: true, // do we fill in the area between the line and its base axis
 		}
 	}
 });
 
 module.exports = Element.extend({
 	draw: function() {
 		var me = this;
 		var vm = me._view;
 		var ctx = me._chart.ctx;
 		var spanGaps = vm.spanGaps;
 		var points = me._children.slice(); // clone array
 		var globalOptionLineElements = globalDefaults.elements.line;
 		var lastDrawnIndex = -1;
 		var index, current, previous, currentVM;
 
 		// If we are looping, adding the first point again
 		if (me._loop && points.length) {
 			points.push(points[0]);
 		}
 
 		ctx.save();
 
 		// Stroke Line Options
 		ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle;
 
 		// IE 9 and 10 do not support line dash
 		if (ctx.setLineDash) {
 			ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash);
 		}
 
 		ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset;
 		ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle;
 		ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth;
 		ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor;
 
 		// Stroke Line
 		ctx.beginPath();
 		lastDrawnIndex = -1;
 
 		for (index = 0; index < points.length; ++index) {
 			current = points[index];
 			previous = helpers.previousItem(points, index);
 			currentVM = current._view;
 
 			// First point moves to it's starting position no matter what
 			if (index === 0) {
 				if (!currentVM.skip) {
 					ctx.moveTo(currentVM.x, currentVM.y);
 					lastDrawnIndex = index;
 				}
 			} else {
 				previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex];
 
 				if (!currentVM.skip) {
 					if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) {
 						// There was a gap and this is the first point after the gap
 						ctx.moveTo(currentVM.x, currentVM.y);
 					} else {
 						// Line to next point
 						helpers.canvas.lineTo(ctx, previous._view, current._view);
 					}
 					lastDrawnIndex = index;
 				}
 			}
 		}
 
 		ctx.stroke();
 		ctx.restore();
 	}
 });
 
 },{"26":26,"27":27,"46":46}],39:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 
 var defaultColor = defaults.global.defaultColor;
 
 defaults._set('global', {
 	elements: {
 		point: {
 			radius: 3,
 			pointStyle: 'circle',
 			backgroundColor: defaultColor,
 			borderColor: defaultColor,
 			borderWidth: 1,
 			// Hover
 			hitRadius: 1,
 			hoverRadius: 4,
 			hoverBorderWidth: 1
 		}
 	}
 });
 
 function xRange(mouseX) {
 	var vm = this._view;
 	return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false;
 }
 
 function yRange(mouseY) {
 	var vm = this._view;
 	return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false;
 }
 
 module.exports = Element.extend({
 	inRange: function(mouseX, mouseY) {
 		var vm = this._view;
 		return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false;
 	},
 
 	inLabelRange: xRange,
 	inXRange: xRange,
 	inYRange: yRange,
 
 	getCenterPoint: function() {
 		var vm = this._view;
 		return {
 			x: vm.x,
 			y: vm.y
 		};
 	},
 
 	getArea: function() {
 		return Math.PI * Math.pow(this._view.radius, 2);
 	},
 
 	tooltipPosition: function() {
 		var vm = this._view;
 		return {
 			x: vm.x,
 			y: vm.y,
 			padding: vm.radius + vm.borderWidth
 		};
 	},
 
 	draw: function(chartArea) {
 		var vm = this._view;
 		var model = this._model;
 		var ctx = this._chart.ctx;
 		var pointStyle = vm.pointStyle;
 		var rotation = vm.rotation;
 		var radius = vm.radius;
 		var x = vm.x;
 		var y = vm.y;
 		var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.)
 
 		if (vm.skip) {
 			return;
 		}
 
 		// Clipping for Points.
 		if (chartArea === undefined || (model.x >= chartArea.left && chartArea.right * errMargin >= model.x && model.y >= chartArea.top && chartArea.bottom * errMargin >= model.y)) {
 			ctx.strokeStyle = vm.borderColor || defaultColor;
 			ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth);
 			ctx.fillStyle = vm.backgroundColor || defaultColor;
 			helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation);
 		}
 	}
 });
 
 },{"26":26,"27":27,"46":46}],40:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 
 defaults._set('global', {
 	elements: {
 		rectangle: {
 			backgroundColor: defaults.global.defaultColor,
 			borderColor: defaults.global.defaultColor,
 			borderSkipped: 'bottom',
 			borderWidth: 0
 		}
 	}
 });
 
 function isVertical(bar) {
 	return bar._view.width !== undefined;
 }
 
 /**
  * Helper function to get the bounds of the bar regardless of the orientation
  * @param bar {Chart.Element.Rectangle} the bar
  * @return {Bounds} bounds of the bar
  * @private
  */
 function getBarBounds(bar) {
 	var vm = bar._view;
 	var x1, x2, y1, y2;
 
 	if (isVertical(bar)) {
 		// vertical
 		var halfWidth = vm.width / 2;
 		x1 = vm.x - halfWidth;
 		x2 = vm.x + halfWidth;
 		y1 = Math.min(vm.y, vm.base);
 		y2 = Math.max(vm.y, vm.base);
 	} else {
 		// horizontal bar
 		var halfHeight = vm.height / 2;
 		x1 = Math.min(vm.x, vm.base);
 		x2 = Math.max(vm.x, vm.base);
 		y1 = vm.y - halfHeight;
 		y2 = vm.y + halfHeight;
 	}
 
 	return {
 		left: x1,
 		top: y1,
 		right: x2,
 		bottom: y2
 	};
 }
 
 module.exports = Element.extend({
 	draw: function() {
 		var ctx = this._chart.ctx;
 		var vm = this._view;
 		var left, right, top, bottom, signX, signY, borderSkipped;
 		var borderWidth = vm.borderWidth;
 
 		if (!vm.horizontal) {
 			// bar
 			left = vm.x - vm.width / 2;
 			right = vm.x + vm.width / 2;
 			top = vm.y;
 			bottom = vm.base;
 			signX = 1;
 			signY = bottom > top ? 1 : -1;
 			borderSkipped = vm.borderSkipped || 'bottom';
 		} else {
 			// horizontal bar
 			left = vm.base;
 			right = vm.x;
 			top = vm.y - vm.height / 2;
 			bottom = vm.y + vm.height / 2;
 			signX = right > left ? 1 : -1;
 			signY = 1;
 			borderSkipped = vm.borderSkipped || 'left';
 		}
 
 		// Canvas doesn't allow us to stroke inside the width so we can
 		// adjust the sizes to fit if we're setting a stroke on the line
 		if (borderWidth) {
 			// borderWidth shold be less than bar width and bar height.
 			var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom));
 			borderWidth = borderWidth > barSize ? barSize : borderWidth;
 			var halfStroke = borderWidth / 2;
 			// Adjust borderWidth when bar top position is near vm.base(zero).
 			var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0);
 			var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0);
 			var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0);
 			var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0);
 			// not become a vertical line?
 			if (borderLeft !== borderRight) {
 				top = borderTop;
 				bottom = borderBottom;
 			}
 			// not become a horizontal line?
 			if (borderTop !== borderBottom) {
 				left = borderLeft;
 				right = borderRight;
 			}
 		}
 
 		ctx.beginPath();
 		ctx.fillStyle = vm.backgroundColor;
 		ctx.strokeStyle = vm.borderColor;
 		ctx.lineWidth = borderWidth;
 
 		// Corner points, from bottom-left to bottom-right clockwise
 		// | 1 2 |
 		// | 0 3 |
 		var corners = [
 			[left, bottom],
 			[left, top],
 			[right, top],
 			[right, bottom]
 		];
 
 		// Find first (starting) corner with fallback to 'bottom'
 		var borders = ['bottom', 'left', 'top', 'right'];
 		var startCorner = borders.indexOf(borderSkipped, 0);
 		if (startCorner === -1) {
 			startCorner = 0;
 		}
 
 		function cornerAt(index) {
 			return corners[(startCorner + index) % 4];
 		}
 
 		// Draw rectangle from 'startCorner'
 		var corner = cornerAt(0);
 		ctx.moveTo(corner[0], corner[1]);
 
 		for (var i = 1; i < 4; i++) {
 			corner = cornerAt(i);
 			ctx.lineTo(corner[0], corner[1]);
 		}
 
 		ctx.fill();
 		if (borderWidth) {
 			ctx.stroke();
 		}
 	},
 
 	height: function() {
 		var vm = this._view;
 		return vm.base - vm.y;
 	},
 
 	inRange: function(mouseX, mouseY) {
 		var inRange = false;
 
 		if (this._view) {
 			var bounds = getBarBounds(this);
 			inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom;
 		}
 
 		return inRange;
 	},
 
 	inLabelRange: function(mouseX, mouseY) {
 		var me = this;
 		if (!me._view) {
 			return false;
 		}
 
 		var inRange = false;
 		var bounds = getBarBounds(me);
 
 		if (isVertical(me)) {
 			inRange = mouseX >= bounds.left && mouseX <= bounds.right;
 		} else {
 			inRange = mouseY >= bounds.top && mouseY <= bounds.bottom;
 		}
 
 		return inRange;
 	},
 
 	inXRange: function(mouseX) {
 		var bounds = getBarBounds(this);
 		return mouseX >= bounds.left && mouseX <= bounds.right;
 	},
 
 	inYRange: function(mouseY) {
 		var bounds = getBarBounds(this);
 		return mouseY >= bounds.top && mouseY <= bounds.bottom;
 	},
 
 	getCenterPoint: function() {
 		var vm = this._view;
 		var x, y;
 		if (isVertical(this)) {
 			x = vm.x;
 			y = (vm.y + vm.base) / 2;
 		} else {
 			x = (vm.x + vm.base) / 2;
 			y = vm.y;
 		}
 
 		return {x: x, y: y};
 	},
 
 	getArea: function() {
 		var vm = this._view;
 		return vm.width * Math.abs(vm.y - vm.base);
 	},
 
 	tooltipPosition: function() {
 		var vm = this._view;
 		return {
 			x: vm.x,
 			y: vm.y
 		};
 	}
 });
 
 },{"26":26,"27":27}],41:[function(require,module,exports){
 'use strict';
 
 module.exports = {};
 module.exports.Arc = require(37);
 module.exports.Line = require(38);
 module.exports.Point = require(39);
 module.exports.Rectangle = require(40);
 
 },{"37":37,"38":38,"39":39,"40":40}],42:[function(require,module,exports){
 'use strict';
 
 var helpers = require(43);
 
 /**
  * @namespace Chart.helpers.canvas
  */
 var exports = module.exports = {
 	/**
 	 * Clears the entire canvas associated to the given `chart`.
 	 * @param {Chart} chart - The chart for which to clear the canvas.
 	 */
 	clear: function(chart) {
 		chart.ctx.clearRect(0, 0, chart.width, chart.height);
 	},
 
 	/**
 	 * Creates a "path" for a rectangle with rounded corners at position (x, y) with a
 	 * given size (width, height) and the same `radius` for all corners.
 	 * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context.
 	 * @param {Number} x - The x axis of the coordinate for the rectangle starting point.
 	 * @param {Number} y - The y axis of the coordinate for the rectangle starting point.
 	 * @param {Number} width - The rectangle's width.
 	 * @param {Number} height - The rectangle's height.
 	 * @param {Number} radius - The rounded amount (in pixels) for the four corners.
 	 * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object?
 	 */
 	roundedRect: function(ctx, x, y, width, height, radius) {
 		if (radius) {
 			// NOTE(SB) `epsilon` helps to prevent minor artifacts appearing
 			// on Chrome when `r` is exactly half the height or the width.
 			var epsilon = 0.0000001;
 			var r = Math.min(radius, (height / 2) - epsilon, (width / 2) - epsilon);
 
 			ctx.moveTo(x + r, y);
 			ctx.lineTo(x + width - r, y);
 			ctx.arcTo(x + width, y, x + width, y + r, r);
 			ctx.lineTo(x + width, y + height - r);
 			ctx.arcTo(x + width, y + height, x + width - r, y + height, r);
 			ctx.lineTo(x + r, y + height);
 			ctx.arcTo(x, y + height, x, y + height - r, r);
 			ctx.lineTo(x, y + r);
 			ctx.arcTo(x, y, x + r, y, r);
 			ctx.closePath();
 			ctx.moveTo(x, y);
 		} else {
 			ctx.rect(x, y, width, height);
 		}
 	},
 
 	drawPoint: function(ctx, style, radius, x, y, rotation) {
 		var type, edgeLength, xOffset, yOffset, height, size;
 		rotation = rotation || 0;
 
 		if (style && typeof style === 'object') {
 			type = style.toString();
 			if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') {
 				ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height);
 				return;
 			}
 		}
 
 		if (isNaN(radius) || radius <= 0) {
 			return;
 		}
 
 		ctx.save();
 		ctx.translate(x, y);
 		ctx.rotate(rotation * Math.PI / 180);
 		ctx.beginPath();
 
 		switch (style) {
 		// Default includes circle
 		default:
 			ctx.arc(0, 0, radius, 0, Math.PI * 2);
 			ctx.closePath();
 			break;
 		case 'triangle':
 			edgeLength = 3 * radius / Math.sqrt(3);
 			height = edgeLength * Math.sqrt(3) / 2;
 			ctx.moveTo(-edgeLength / 2, height / 3);
 			ctx.lineTo(edgeLength / 2, height / 3);
 			ctx.lineTo(0, -2 * height / 3);
 			ctx.closePath();
 			break;
 		case 'rect':
 			size = 1 / Math.SQRT2 * radius;
 			ctx.rect(-size, -size, 2 * size, 2 * size);
 			break;
 		case 'rectRounded':
 			var offset = radius / Math.SQRT2;
 			var leftX = -offset;
 			var topY = -offset;
 			var sideSize = Math.SQRT2 * radius;
 
 			// NOTE(SB) the rounded rect implementation changed to use `arcTo`
 			// instead of `quadraticCurveTo` since it generates better results
 			// when rect is almost a circle. 0.425 (instead of 0.5) produces
 			// results visually closer to the previous impl.
 			this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius * 0.425);
 			break;
 		case 'rectRot':
 			size = 1 / Math.SQRT2 * radius;
 			ctx.moveTo(-size, 0);
 			ctx.lineTo(0, size);
 			ctx.lineTo(size, 0);
 			ctx.lineTo(0, -size);
 			ctx.closePath();
 			break;
 		case 'cross':
 			ctx.moveTo(0, radius);
 			ctx.lineTo(0, -radius);
 			ctx.moveTo(-radius, 0);
 			ctx.lineTo(radius, 0);
 			break;
 		case 'crossRot':
 			xOffset = Math.cos(Math.PI / 4) * radius;
 			yOffset = Math.sin(Math.PI / 4) * radius;
 			ctx.moveTo(-xOffset, -yOffset);
 			ctx.lineTo(xOffset, yOffset);
 			ctx.moveTo(-xOffset, yOffset);
 			ctx.lineTo(xOffset, -yOffset);
 			break;
 		case 'star':
 			ctx.moveTo(0, radius);
 			ctx.lineTo(0, -radius);
 			ctx.moveTo(-radius, 0);
 			ctx.lineTo(radius, 0);
 			xOffset = Math.cos(Math.PI / 4) * radius;
 			yOffset = Math.sin(Math.PI / 4) * radius;
 			ctx.moveTo(-xOffset, -yOffset);
 			ctx.lineTo(xOffset, yOffset);
 			ctx.moveTo(-xOffset, yOffset);
 			ctx.lineTo(xOffset, -yOffset);
 			break;
 		case 'line':
 			ctx.moveTo(-radius, 0);
 			ctx.lineTo(radius, 0);
 			break;
 		case 'dash':
 			ctx.moveTo(0, 0);
 			ctx.lineTo(radius, 0);
 			break;
 		}
 
 		ctx.fill();
 		ctx.stroke();
 		ctx.restore();
 	},
 
 	clipArea: function(ctx, area) {
 		ctx.save();
 		ctx.beginPath();
 		ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top);
 		ctx.clip();
 	},
 
 	unclipArea: function(ctx) {
 		ctx.restore();
 	},
 
 	lineTo: function(ctx, previous, target, flip) {
 		if (target.steppedLine) {
 			if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) {
 				ctx.lineTo(previous.x, target.y);
 			} else {
 				ctx.lineTo(target.x, previous.y);
 			}
 			ctx.lineTo(target.x, target.y);
 			return;
 		}
 
 		if (!target.tension) {
 			ctx.lineTo(target.x, target.y);
 			return;
 		}
 
 		ctx.bezierCurveTo(
 			flip ? previous.controlPointPreviousX : previous.controlPointNextX,
 			flip ? previous.controlPointPreviousY : previous.controlPointNextY,
 			flip ? target.controlPointNextX : target.controlPointPreviousX,
 			flip ? target.controlPointNextY : target.controlPointPreviousY,
 			target.x,
 			target.y);
 	}
 };
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, use Chart.helpers.canvas.clear instead.
  * @namespace Chart.helpers.clear
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.clear = exports.clear;
 
 /**
  * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead.
  * @namespace Chart.helpers.drawRoundedRectangle
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.drawRoundedRectangle = function(ctx) {
 	ctx.beginPath();
 	exports.roundedRect.apply(exports, arguments);
 };
 
 },{"43":43}],43:[function(require,module,exports){
 'use strict';
 
 /**
  * @namespace Chart.helpers
  */
 var helpers = {
 	/**
 	 * An empty function that can be used, for example, for optional callback.
 	 */
 	noop: function() {},
 
 	/**
 	 * Returns a unique id, sequentially generated from a global variable.
 	 * @returns {Number}
 	 * @function
 	 */
 	uid: (function() {
 		var id = 0;
 		return function() {
 			return id++;
 		};
 	}()),
 
 	/**
 	 * Returns true if `value` is neither null nor undefined, else returns false.
 	 * @param {*} value - The value to test.
 	 * @returns {Boolean}
 	 * @since 2.7.0
 	 */
 	isNullOrUndef: function(value) {
 		return value === null || typeof value === 'undefined';
 	},
 
 	/**
 	 * Returns true if `value` is an array, else returns false.
 	 * @param {*} value - The value to test.
 	 * @returns {Boolean}
 	 * @function
 	 */
 	isArray: Array.isArray ? Array.isArray : function(value) {
 		return Object.prototype.toString.call(value) === '[object Array]';
 	},
 
 	/**
 	 * Returns true if `value` is an object (excluding null), else returns false.
 	 * @param {*} value - The value to test.
 	 * @returns {Boolean}
 	 * @since 2.7.0
 	 */
 	isObject: function(value) {
 		return value !== null && Object.prototype.toString.call(value) === '[object Object]';
 	},
 
 	/**
 	 * Returns `value` if defined, else returns `defaultValue`.
 	 * @param {*} value - The value to return if defined.
 	 * @param {*} defaultValue - The value to return if `value` is undefined.
 	 * @returns {*}
 	 */
 	valueOrDefault: function(value, defaultValue) {
 		return typeof value === 'undefined' ? defaultValue : value;
 	},
 
 	/**
 	 * Returns value at the given `index` in array if defined, else returns `defaultValue`.
 	 * @param {Array} value - The array to lookup for value at `index`.
 	 * @param {Number} index - The index in `value` to lookup for value.
 	 * @param {*} defaultValue - The value to return if `value[index]` is undefined.
 	 * @returns {*}
 	 */
 	valueAtIndexOrDefault: function(value, index, defaultValue) {
 		return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue);
 	},
 
 	/**
 	 * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the
 	 * value returned by `fn`. If `fn` is not a function, this method returns undefined.
 	 * @param {Function} fn - The function to call.
 	 * @param {Array|undefined|null} args - The arguments with which `fn` should be called.
 	 * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.
 	 * @returns {*}
 	 */
 	callback: function(fn, args, thisArg) {
 		if (fn && typeof fn.call === 'function') {
 			return fn.apply(thisArg, args);
 		}
 	},
 
 	/**
 	 * Note(SB) for performance sake, this method should only be used when loopable type
 	 * is unknown or in none intensive code (not called often and small loopable). Else
 	 * it's preferable to use a regular for() loop and save extra function calls.
 	 * @param {Object|Array} loopable - The object or array to be iterated.
 	 * @param {Function} fn - The function to call for each item.
 	 * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`.
 	 * @param {Boolean} [reverse] - If true, iterates backward on the loopable.
 	 */
 	each: function(loopable, fn, thisArg, reverse) {
 		var i, len, keys;
 		if (helpers.isArray(loopable)) {
 			len = loopable.length;
 			if (reverse) {
 				for (i = len - 1; i >= 0; i--) {
 					fn.call(thisArg, loopable[i], i);
 				}
 			} else {
 				for (i = 0; i < len; i++) {
 					fn.call(thisArg, loopable[i], i);
 				}
 			}
 		} else if (helpers.isObject(loopable)) {
 			keys = Object.keys(loopable);
 			len = keys.length;
 			for (i = 0; i < len; i++) {
 				fn.call(thisArg, loopable[keys[i]], keys[i]);
 			}
 		}
 	},
 
 	/**
 	 * Returns true if the `a0` and `a1` arrays have the same content, else returns false.
 	 * @see http://stackoverflow.com/a/14853974
 	 * @param {Array} a0 - The array to compare
 	 * @param {Array} a1 - The array to compare
 	 * @returns {Boolean}
 	 */
 	arrayEquals: function(a0, a1) {
 		var i, ilen, v0, v1;
 
 		if (!a0 || !a1 || a0.length !== a1.length) {
 			return false;
 		}
 
 		for (i = 0, ilen = a0.length; i < ilen; ++i) {
 			v0 = a0[i];
 			v1 = a1[i];
 
 			if (v0 instanceof Array && v1 instanceof Array) {
 				if (!helpers.arrayEquals(v0, v1)) {
 					return false;
 				}
 			} else if (v0 !== v1) {
 				// NOTE: two different object instances will never be equal: {x:20} != {x:20}
 				return false;
 			}
 		}
 
 		return true;
 	},
 
 	/**
 	 * Returns a deep copy of `source` without keeping references on objects and arrays.
 	 * @param {*} source - The value to clone.
 	 * @returns {*}
 	 */
 	clone: function(source) {
 		if (helpers.isArray(source)) {
 			return source.map(helpers.clone);
 		}
 
 		if (helpers.isObject(source)) {
 			var target = {};
 			var keys = Object.keys(source);
 			var klen = keys.length;
 			var k = 0;
 
 			for (; k < klen; ++k) {
 				target[keys[k]] = helpers.clone(source[keys[k]]);
 			}
 
 			return target;
 		}
 
 		return source;
 	},
 
 	/**
 	 * The default merger when Chart.helpers.merge is called without merger option.
 	 * Note(SB): this method is also used by configMerge and scaleMerge as fallback.
 	 * @private
 	 */
 	_merger: function(key, target, source, options) {
 		var tval = target[key];
 		var sval = source[key];
 
 		if (helpers.isObject(tval) && helpers.isObject(sval)) {
 			helpers.merge(tval, sval, options);
 		} else {
 			target[key] = helpers.clone(sval);
 		}
 	},
 
 	/**
 	 * Merges source[key] in target[key] only if target[key] is undefined.
 	 * @private
 	 */
 	_mergerIf: function(key, target, source) {
 		var tval = target[key];
 		var sval = source[key];
 
 		if (helpers.isObject(tval) && helpers.isObject(sval)) {
 			helpers.mergeIf(tval, sval);
 		} else if (!target.hasOwnProperty(key)) {
 			target[key] = helpers.clone(sval);
 		}
 	},
 
 	/**
 	 * Recursively deep copies `source` properties into `target` with the given `options`.
 	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
 	 * @param {Object} target - The target object in which all sources are merged into.
 	 * @param {Object|Array(Object)} source - Object(s) to merge into `target`.
 	 * @param {Object} [options] - Merging options:
 	 * @param {Function} [options.merger] - The merge method (key, target, source, options)
 	 * @returns {Object} The `target` object.
 	 */
 	merge: function(target, source, options) {
 		var sources = helpers.isArray(source) ? source : [source];
 		var ilen = sources.length;
 		var merge, i, keys, klen, k;
 
 		if (!helpers.isObject(target)) {
 			return target;
 		}
 
 		options = options || {};
 		merge = options.merger || helpers._merger;
 
 		for (i = 0; i < ilen; ++i) {
 			source = sources[i];
 			if (!helpers.isObject(source)) {
 				continue;
 			}
 
 			keys = Object.keys(source);
 			for (k = 0, klen = keys.length; k < klen; ++k) {
 				merge(keys[k], target, source, options);
 			}
 		}
 
 		return target;
 	},
 
 	/**
 	 * Recursively deep copies `source` properties into `target` *only* if not defined in target.
 	 * IMPORTANT: `target` is not cloned and will be updated with `source` properties.
 	 * @param {Object} target - The target object in which all sources are merged into.
 	 * @param {Object|Array(Object)} source - Object(s) to merge into `target`.
 	 * @returns {Object} The `target` object.
 	 */
 	mergeIf: function(target, source) {
 		return helpers.merge(target, source, {merger: helpers._mergerIf});
 	},
 
 	/**
 	 * Applies the contents of two or more objects together into the first object.
 	 * @param {Object} target - The target object in which all objects are merged into.
 	 * @param {Object} arg1 - Object containing additional properties to merge in target.
 	 * @param {Object} argN - Additional objects containing properties to merge in target.
 	 * @returns {Object} The `target` object.
 	 */
 	extend: function(target) {
 		var setFn = function(value, key) {
 			target[key] = value;
 		};
 		for (var i = 1, ilen = arguments.length; i < ilen; ++i) {
 			helpers.each(arguments[i], setFn);
 		}
 		return target;
 	},
 
 	/**
 	 * Basic javascript inheritance based on the model created in Backbone.js
 	 */
 	inherits: function(extensions) {
 		var me = this;
 		var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() {
 			return me.apply(this, arguments);
 		};
 
 		var Surrogate = function() {
 			this.constructor = ChartElement;
 		};
 
 		Surrogate.prototype = me.prototype;
 		ChartElement.prototype = new Surrogate();
 		ChartElement.extend = helpers.inherits;
 
 		if (extensions) {
 			helpers.extend(ChartElement.prototype, extensions);
 		}
 
 		ChartElement.__super__ = me.prototype;
 		return ChartElement;
 	}
 };
 
 module.exports = helpers;
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, use Chart.helpers.callback instead.
  * @function Chart.helpers.callCallback
  * @deprecated since version 2.6.0
  * @todo remove at version 3
  * @private
  */
 helpers.callCallback = helpers.callback;
 
 /**
  * Provided for backward compatibility, use Array.prototype.indexOf instead.
  * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+
  * @function Chart.helpers.indexOf
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.indexOf = function(array, item, fromIndex) {
 	return Array.prototype.indexOf.call(array, item, fromIndex);
 };
 
 /**
  * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead.
  * @function Chart.helpers.getValueOrDefault
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.getValueOrDefault = helpers.valueOrDefault;
 
 /**
  * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead.
  * @function Chart.helpers.getValueAtIndexOrDefault
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
 
 },{}],44:[function(require,module,exports){
 'use strict';
 
 var helpers = require(43);
 
 /**
  * Easing functions adapted from Robert Penner's easing equations.
  * @namespace Chart.helpers.easingEffects
  * @see http://www.robertpenner.com/easing/
  */
 var effects = {
 	linear: function(t) {
 		return t;
 	},
 
 	easeInQuad: function(t) {
 		return t * t;
 	},
 
 	easeOutQuad: function(t) {
 		return -t * (t - 2);
 	},
 
 	easeInOutQuad: function(t) {
 		if ((t /= 0.5) < 1) {
 			return 0.5 * t * t;
 		}
 		return -0.5 * ((--t) * (t - 2) - 1);
 	},
 
 	easeInCubic: function(t) {
 		return t * t * t;
 	},
 
 	easeOutCubic: function(t) {
 		return (t = t - 1) * t * t + 1;
 	},
 
 	easeInOutCubic: function(t) {
 		if ((t /= 0.5) < 1) {
 			return 0.5 * t * t * t;
 		}
 		return 0.5 * ((t -= 2) * t * t + 2);
 	},
 
 	easeInQuart: function(t) {
 		return t * t * t * t;
 	},
 
 	easeOutQuart: function(t) {
 		return -((t = t - 1) * t * t * t - 1);
 	},
 
 	easeInOutQuart: function(t) {
 		if ((t /= 0.5) < 1) {
 			return 0.5 * t * t * t * t;
 		}
 		return -0.5 * ((t -= 2) * t * t * t - 2);
 	},
 
 	easeInQuint: function(t) {
 		return t * t * t * t * t;
 	},
 
 	easeOutQuint: function(t) {
 		return (t = t - 1) * t * t * t * t + 1;
 	},
 
 	easeInOutQuint: function(t) {
 		if ((t /= 0.5) < 1) {
 			return 0.5 * t * t * t * t * t;
 		}
 		return 0.5 * ((t -= 2) * t * t * t * t + 2);
 	},
 
 	easeInSine: function(t) {
 		return -Math.cos(t * (Math.PI / 2)) + 1;
 	},
 
 	easeOutSine: function(t) {
 		return Math.sin(t * (Math.PI / 2));
 	},
 
 	easeInOutSine: function(t) {
 		return -0.5 * (Math.cos(Math.PI * t) - 1);
 	},
 
 	easeInExpo: function(t) {
 		return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1));
 	},
 
 	easeOutExpo: function(t) {
 		return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1;
 	},
 
 	easeInOutExpo: function(t) {
 		if (t === 0) {
 			return 0;
 		}
 		if (t === 1) {
 			return 1;
 		}
 		if ((t /= 0.5) < 1) {
 			return 0.5 * Math.pow(2, 10 * (t - 1));
 		}
 		return 0.5 * (-Math.pow(2, -10 * --t) + 2);
 	},
 
 	easeInCirc: function(t) {
 		if (t >= 1) {
 			return t;
 		}
 		return -(Math.sqrt(1 - t * t) - 1);
 	},
 
 	easeOutCirc: function(t) {
 		return Math.sqrt(1 - (t = t - 1) * t);
 	},
 
 	easeInOutCirc: function(t) {
 		if ((t /= 0.5) < 1) {
 			return -0.5 * (Math.sqrt(1 - t * t) - 1);
 		}
 		return 0.5 * (Math.sqrt(1 - (t -= 2) * t) + 1);
 	},
 
 	easeInElastic: function(t) {
 		var s = 1.70158;
 		var p = 0;
 		var a = 1;
 		if (t === 0) {
 			return 0;
 		}
 		if (t === 1) {
 			return 1;
 		}
 		if (!p) {
 			p = 0.3;
 		}
 		if (a < 1) {
 			a = 1;
 			s = p / 4;
 		} else {
 			s = p / (2 * Math.PI) * Math.asin(1 / a);
 		}
 		return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
 	},
 
 	easeOutElastic: function(t) {
 		var s = 1.70158;
 		var p = 0;
 		var a = 1;
 		if (t === 0) {
 			return 0;
 		}
 		if (t === 1) {
 			return 1;
 		}
 		if (!p) {
 			p = 0.3;
 		}
 		if (a < 1) {
 			a = 1;
 			s = p / 4;
 		} else {
 			s = p / (2 * Math.PI) * Math.asin(1 / a);
 		}
 		return a * Math.pow(2, -10 * t) * Math.sin((t - s) * (2 * Math.PI) / p) + 1;
 	},
 
 	easeInOutElastic: function(t) {
 		var s = 1.70158;
 		var p = 0;
 		var a = 1;
 		if (t === 0) {
 			return 0;
 		}
 		if ((t /= 0.5) === 2) {
 			return 1;
 		}
 		if (!p) {
 			p = 0.45;
 		}
 		if (a < 1) {
 			a = 1;
 			s = p / 4;
 		} else {
 			s = p / (2 * Math.PI) * Math.asin(1 / a);
 		}
 		if (t < 1) {
 			return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p));
 		}
 		return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1;
 	},
 	easeInBack: function(t) {
 		var s = 1.70158;
 		return t * t * ((s + 1) * t - s);
 	},
 
 	easeOutBack: function(t) {
 		var s = 1.70158;
 		return (t = t - 1) * t * ((s + 1) * t + s) + 1;
 	},
 
 	easeInOutBack: function(t) {
 		var s = 1.70158;
 		if ((t /= 0.5) < 1) {
 			return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s));
 		}
 		return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
 	},
 
 	easeInBounce: function(t) {
 		return 1 - effects.easeOutBounce(1 - t);
 	},
 
 	easeOutBounce: function(t) {
 		if (t < (1 / 2.75)) {
 			return 7.5625 * t * t;
 		}
 		if (t < (2 / 2.75)) {
 			return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75;
 		}
 		if (t < (2.5 / 2.75)) {
 			return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375;
 		}
 		return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375;
 	},
 
 	easeInOutBounce: function(t) {
 		if (t < 0.5) {
 			return effects.easeInBounce(t * 2) * 0.5;
 		}
 		return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5;
 	}
 };
 
 module.exports = {
 	effects: effects
 };
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, use Chart.helpers.easing.effects instead.
  * @function Chart.helpers.easingEffects
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.easingEffects = effects;
 
 },{"43":43}],45:[function(require,module,exports){
 'use strict';
 
 var helpers = require(43);
 
 /**
  * @alias Chart.helpers.options
  * @namespace
  */
 module.exports = {
 	/**
 	 * Converts the given line height `value` in pixels for a specific font `size`.
 	 * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em').
 	 * @param {Number} size - The font size (in pixels) used to resolve relative `value`.
 	 * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid).
 	 * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height
 	 * @since 2.7.0
 	 */
 	toLineHeight: function(value, size) {
 		var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/);
 		if (!matches || matches[1] === 'normal') {
 			return size * 1.2;
 		}
 
 		value = +matches[2];
 
 		switch (matches[3]) {
 		case 'px':
 			return value;
 		case '%':
 			value /= 100;
 			break;
 		default:
 			break;
 		}
 
 		return size * value;
 	},
 
 	/**
 	 * Converts the given value into a padding object with pre-computed width/height.
 	 * @param {Number|Object} value - If a number, set the value to all TRBL component,
 	 *  else, if and object, use defined properties and sets undefined ones to 0.
 	 * @returns {Object} The padding values (top, right, bottom, left, width, height)
 	 * @since 2.7.0
 	 */
 	toPadding: function(value) {
 		var t, r, b, l;
 
 		if (helpers.isObject(value)) {
 			t = +value.top || 0;
 			r = +value.right || 0;
 			b = +value.bottom || 0;
 			l = +value.left || 0;
 		} else {
 			t = r = b = l = +value || 0;
 		}
 
 		return {
 			top: t,
 			right: r,
 			bottom: b,
 			left: l,
 			height: t + b,
 			width: l + r
 		};
 	},
 
 	/**
 	 * Evaluates the given `inputs` sequentially and returns the first defined value.
 	 * @param {Array[]} inputs - An array of values, falling back to the last value.
 	 * @param {Object} [context] - If defined and the current value is a function, the value
 	 * is called with `context` as first argument and the result becomes the new input.
 	 * @param {Number} [index] - If defined and the current value is an array, the value
 	 * at `index` become the new input.
 	 * @since 2.7.0
 	 */
 	resolve: function(inputs, context, index) {
 		var i, ilen, value;
 
 		for (i = 0, ilen = inputs.length; i < ilen; ++i) {
 			value = inputs[i];
 			if (value === undefined) {
 				continue;
 			}
 			if (context !== undefined && typeof value === 'function') {
 				value = value(context);
 			}
 			if (index !== undefined && helpers.isArray(value)) {
 				value = value[index];
 			}
 			if (value !== undefined) {
 				return value;
 			}
 		}
 	}
 };
 
 },{"43":43}],46:[function(require,module,exports){
 'use strict';
 
 module.exports = require(43);
 module.exports.easing = require(44);
 module.exports.canvas = require(42);
 module.exports.options = require(45);
 
 },{"42":42,"43":43,"44":44,"45":45}],47:[function(require,module,exports){
 /**
  * Platform fallback implementation (minimal).
  * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939
  */
 
 module.exports = {
 	acquireContext: function(item) {
 		if (item && item.canvas) {
 			// Support for any object associated to a canvas (including a context2d)
 			item = item.canvas;
 		}
 
 		return item && item.getContext('2d') || null;
 	}
 };
 
 },{}],48:[function(require,module,exports){
 /**
  * Chart.Platform implementation for targeting a web browser
  */
 
 'use strict';
 
 var helpers = require(46);
 
 var EXPANDO_KEY = '$chartjs';
 var CSS_PREFIX = 'chartjs-';
 var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor';
 var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation';
 var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart'];
 
 /**
  * DOM event types -> Chart.js event types.
  * Note: only events with different types are mapped.
  * @see https://developer.mozilla.org/en-US/docs/Web/Events
  */
 var EVENT_TYPES = {
 	touchstart: 'mousedown',
 	touchmove: 'mousemove',
 	touchend: 'mouseup',
 	pointerenter: 'mouseenter',
 	pointerdown: 'mousedown',
 	pointermove: 'mousemove',
 	pointerup: 'mouseup',
 	pointerleave: 'mouseout',
 	pointerout: 'mouseout'
 };
 
 /**
  * The "used" size is the final value of a dimension property after all calculations have
  * been performed. This method uses the computed style of `element` but returns undefined
  * if the computed style is not expressed in pixels. That can happen in some cases where
  * `element` has a size relative to its parent and this last one is not yet displayed,
  * for example because of `display: none` on a parent node.
  * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value
  * @returns {Number} Size in pixels or undefined if unknown.
  */
 function readUsedSize(element, property) {
 	var value = helpers.getStyle(element, property);
 	var matches = value && value.match(/^(\d+)(\.\d+)?px$/);
 	return matches ? Number(matches[1]) : undefined;
 }
 
 /**
  * Initializes the canvas style and render size without modifying the canvas display size,
  * since responsiveness is handled by the controller.resize() method. The config is used
  * to determine the aspect ratio to apply in case no explicit height has been specified.
  */
 function initCanvas(canvas, config) {
 	var style = canvas.style;
 
 	// NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it
 	// returns null or '' if no explicit value has been set to the canvas attribute.
 	var renderHeight = canvas.getAttribute('height');
 	var renderWidth = canvas.getAttribute('width');
 
 	// Chart.js modifies some canvas values that we want to restore on destroy
 	canvas[EXPANDO_KEY] = {
 		initial: {
 			height: renderHeight,
 			width: renderWidth,
 			style: {
 				display: style.display,
 				height: style.height,
 				width: style.width
 			}
 		}
 	};
 
 	// Force canvas to display as block to avoid extra space caused by inline
 	// elements, which would interfere with the responsive resize process.
 	// https://github.com/chartjs/Chart.js/issues/2538
 	style.display = style.display || 'block';
 
 	if (renderWidth === null || renderWidth === '') {
 		var displayWidth = readUsedSize(canvas, 'width');
 		if (displayWidth !== undefined) {
 			canvas.width = displayWidth;
 		}
 	}
 
 	if (renderHeight === null || renderHeight === '') {
 		if (canvas.style.height === '') {
 			// If no explicit render height and style height, let's apply the aspect ratio,
 			// which one can be specified by the user but also by charts as default option
 			// (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2.
 			canvas.height = canvas.width / (config.options.aspectRatio || 2);
 		} else {
 			var displayHeight = readUsedSize(canvas, 'height');
 			if (displayWidth !== undefined) {
 				canvas.height = displayHeight;
 			}
 		}
 	}
 
 	return canvas;
 }
 
 /**
  * Detects support for options object argument in addEventListener.
  * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support
  * @private
  */
 var supportsEventListenerOptions = (function() {
 	var supports = false;
 	try {
 		var options = Object.defineProperty({}, 'passive', {
 			get: function() {
 				supports = true;
 			}
 		});
 		window.addEventListener('e', null, options);
 	} catch (e) {
 		// continue regardless of error
 	}
 	return supports;
 }());
 
 // Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events.
 // https://github.com/chartjs/Chart.js/issues/4287
 var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false;
 
 function addEventListener(node, type, listener) {
 	node.addEventListener(type, listener, eventListenerOptions);
 }
 
 function removeEventListener(node, type, listener) {
 	node.removeEventListener(type, listener, eventListenerOptions);
 }
 
 function createEvent(type, chart, x, y, nativeEvent) {
 	return {
 		type: type,
 		chart: chart,
 		native: nativeEvent || null,
 		x: x !== undefined ? x : null,
 		y: y !== undefined ? y : null,
 	};
 }
 
 function fromNativeEvent(event, chart) {
 	var type = EVENT_TYPES[event.type] || event.type;
 	var pos = helpers.getRelativePosition(event, chart);
 	return createEvent(type, chart, pos.x, pos.y, event);
 }
 
 function throttled(fn, thisArg) {
 	var ticking = false;
 	var args = [];
 
 	return function() {
 		args = Array.prototype.slice.call(arguments);
 		thisArg = thisArg || this;
 
 		if (!ticking) {
 			ticking = true;
 			helpers.requestAnimFrame.call(window, function() {
 				ticking = false;
 				fn.apply(thisArg, args);
 			});
 		}
 	};
 }
 
 // Implementation based on https://github.com/marcj/css-element-queries
 function createResizer(handler) {
 	var resizer = document.createElement('div');
 	var cls = CSS_PREFIX + 'size-monitor';
 	var maxSize = 1000000;
 	var style =
 		'position:absolute;' +
 		'left:0;' +
 		'top:0;' +
 		'right:0;' +
 		'bottom:0;' +
 		'overflow:hidden;' +
 		'pointer-events:none;' +
 		'visibility:hidden;' +
 		'z-index:-1;';
 
 	resizer.style.cssText = style;
 	resizer.className = cls;
 	resizer.innerHTML =
 		'<div class="' + cls + '-expand" style="' + style + '">' +
 			'<div style="' +
 				'position:absolute;' +
 				'width:' + maxSize + 'px;' +
 				'height:' + maxSize + 'px;' +
 				'left:0;' +
 				'top:0">' +
 			'</div>' +
 		'</div>' +
 		'<div class="' + cls + '-shrink" style="' + style + '">' +
 			'<div style="' +
 				'position:absolute;' +
 				'width:200%;' +
 				'height:200%;' +
 				'left:0; ' +
 				'top:0">' +
 			'</div>' +
 		'</div>';
 
 	var expand = resizer.childNodes[0];
 	var shrink = resizer.childNodes[1];
 
 	resizer._reset = function() {
 		expand.scrollLeft = maxSize;
 		expand.scrollTop = maxSize;
 		shrink.scrollLeft = maxSize;
 		shrink.scrollTop = maxSize;
 	};
 	var onScroll = function() {
 		resizer._reset();
 		handler();
 	};
 
 	addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand'));
 	addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink'));
 
 	return resizer;
 }
 
 // https://davidwalsh.name/detect-node-insertion
 function watchForRender(node, handler) {
 	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
 	var proxy = expando.renderProxy = function(e) {
 		if (e.animationName === CSS_RENDER_ANIMATION) {
 			handler();
 		}
 	};
 
 	helpers.each(ANIMATION_START_EVENTS, function(type) {
 		addEventListener(node, type, proxy);
 	});
 
 	// #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class
 	// is removed then added back immediately (same animation frame?). Accessing the
 	// `offsetParent` property will force a reflow and re-evaluate the CSS animation.
 	// https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics
 	// https://github.com/chartjs/Chart.js/issues/4737
 	expando.reflow = !!node.offsetParent;
 
 	node.classList.add(CSS_RENDER_MONITOR);
 }
 
 function unwatchForRender(node) {
 	var expando = node[EXPANDO_KEY] || {};
 	var proxy = expando.renderProxy;
 
 	if (proxy) {
 		helpers.each(ANIMATION_START_EVENTS, function(type) {
 			removeEventListener(node, type, proxy);
 		});
 
 		delete expando.renderProxy;
 	}
 
 	node.classList.remove(CSS_RENDER_MONITOR);
 }
 
 function addResizeListener(node, listener, chart) {
 	var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {});
 
 	// Let's keep track of this added resizer and thus avoid DOM query when removing it.
 	var resizer = expando.resizer = createResizer(throttled(function() {
 		if (expando.resizer) {
 			return listener(createEvent('resize', chart));
 		}
 	}));
 
 	// The resizer needs to be attached to the node parent, so we first need to be
 	// sure that `node` is attached to the DOM before injecting the resizer element.
 	watchForRender(node, function() {
 		if (expando.resizer) {
 			var container = node.parentNode;
 			if (container && container !== resizer.parentNode) {
 				container.insertBefore(resizer, container.firstChild);
 			}
 
 			// The container size might have changed, let's reset the resizer state.
 			resizer._reset();
 		}
 	});
 }
 
 function removeResizeListener(node) {
 	var expando = node[EXPANDO_KEY] || {};
 	var resizer = expando.resizer;
 
 	delete expando.resizer;
 	unwatchForRender(node);
 
 	if (resizer && resizer.parentNode) {
 		resizer.parentNode.removeChild(resizer);
 	}
 }
 
 function injectCSS(platform, css) {
 	// http://stackoverflow.com/q/3922139
 	var style = platform._style || document.createElement('style');
 	if (!platform._style) {
 		platform._style = style;
 		css = '/* Chart.js */\n' + css;
 		style.setAttribute('type', 'text/css');
 		document.getElementsByTagName('head')[0].appendChild(style);
 	}
 
 	style.appendChild(document.createTextNode(css));
 }
 
 module.exports = {
 	/**
 	 * This property holds whether this platform is enabled for the current environment.
 	 * Currently used by platform.js to select the proper implementation.
 	 * @private
 	 */
 	_enabled: typeof window !== 'undefined' && typeof document !== 'undefined',
 
 	initialize: function() {
 		var keyframes = 'from{opacity:0.99}to{opacity:1}';
 
 		injectCSS(this,
 			// DOM rendering detection
 			// https://davidwalsh.name/detect-node-insertion
 			'@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +
 			'@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' +
 			'.' + CSS_RENDER_MONITOR + '{' +
 				'-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +
 				'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' +
 			'}'
 		);
 	},
 
 	acquireContext: function(item, config) {
 		if (typeof item === 'string') {
 			item = document.getElementById(item);
 		} else if (item.length) {
 			// Support for array based queries (such as jQuery)
 			item = item[0];
 		}
 
 		if (item && item.canvas) {
 			// Support for any object associated to a canvas (including a context2d)
 			item = item.canvas;
 		}
 
 		// To prevent canvas fingerprinting, some add-ons undefine the getContext
 		// method, for example: https://github.com/kkapsner/CanvasBlocker
 		// https://github.com/chartjs/Chart.js/issues/2807
 		var context = item && item.getContext && item.getContext('2d');
 
 		// `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is
 		// inside an iframe or when running in a protected environment. We could guess the
 		// types from their toString() value but let's keep things flexible and assume it's
 		// a sufficient condition if the item has a context2D which has item as `canvas`.
 		// https://github.com/chartjs/Chart.js/issues/3887
 		// https://github.com/chartjs/Chart.js/issues/4102
 		// https://github.com/chartjs/Chart.js/issues/4152
 		if (context && context.canvas === item) {
 			initCanvas(item, config);
 			return context;
 		}
 
 		return null;
 	},
 
 	releaseContext: function(context) {
 		var canvas = context.canvas;
 		if (!canvas[EXPANDO_KEY]) {
 			return;
 		}
 
 		var initial = canvas[EXPANDO_KEY].initial;
 		['height', 'width'].forEach(function(prop) {
 			var value = initial[prop];
 			if (helpers.isNullOrUndef(value)) {
 				canvas.removeAttribute(prop);
 			} else {
 				canvas.setAttribute(prop, value);
 			}
 		});
 
 		helpers.each(initial.style || {}, function(value, key) {
 			canvas.style[key] = value;
 		});
 
 		// The canvas render size might have been changed (and thus the state stack discarded),
 		// we can't use save() and restore() to restore the initial state. So make sure that at
 		// least the canvas context is reset to the default state by setting the canvas width.
 		// https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html
 		canvas.width = canvas.width;
 
 		delete canvas[EXPANDO_KEY];
 	},
 
 	addEventListener: function(chart, type, listener) {
 		var canvas = chart.canvas;
 		if (type === 'resize') {
 			// Note: the resize event is not supported on all browsers.
 			addResizeListener(canvas, listener, chart);
 			return;
 		}
 
 		var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {});
 		var proxies = expando.proxies || (expando.proxies = {});
 		var proxy = proxies[chart.id + '_' + type] = function(event) {
 			listener(fromNativeEvent(event, chart));
 		};
 
 		addEventListener(canvas, type, proxy);
 	},
 
 	removeEventListener: function(chart, type, listener) {
 		var canvas = chart.canvas;
 		if (type === 'resize') {
 			// Note: the resize event is not supported on all browsers.
 			removeResizeListener(canvas, listener);
 			return;
 		}
 
 		var expando = listener[EXPANDO_KEY] || {};
 		var proxies = expando.proxies || {};
 		var proxy = proxies[chart.id + '_' + type];
 		if (!proxy) {
 			return;
 		}
 
 		removeEventListener(canvas, type, proxy);
 	}
 };
 
 // DEPRECATIONS
 
 /**
  * Provided for backward compatibility, use EventTarget.addEventListener instead.
  * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
  * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener
  * @function Chart.helpers.addEvent
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.addEvent = addEventListener;
 
 /**
  * Provided for backward compatibility, use EventTarget.removeEventListener instead.
  * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+
  * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener
  * @function Chart.helpers.removeEvent
  * @deprecated since version 2.7.0
  * @todo remove at version 3
  * @private
  */
 helpers.removeEvent = removeEventListener;
 
 },{"46":46}],49:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 var basic = require(47);
 var dom = require(48);
 
 // @TODO Make possible to select another platform at build time.
 var implementation = dom._enabled ? dom : basic;
 
 /**
  * @namespace Chart.platform
  * @see https://chartjs.gitbooks.io/proposals/content/Platform.html
  * @since 2.4.0
  */
 module.exports = helpers.extend({
 	/**
 	 * @since 2.7.0
 	 */
 	initialize: function() {},
 
 	/**
 	 * Called at chart construction time, returns a context2d instance implementing
 	 * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}.
 	 * @param {*} item - The native item from which to acquire context (platform specific)
 	 * @param {Object} options - The chart options
 	 * @returns {CanvasRenderingContext2D} context2d instance
 	 */
 	acquireContext: function() {},
 
 	/**
 	 * Called at chart destruction time, releases any resources associated to the context
 	 * previously returned by the acquireContext() method.
 	 * @param {CanvasRenderingContext2D} context - The context2d instance
 	 * @returns {Boolean} true if the method succeeded, else false
 	 */
 	releaseContext: function() {},
 
 	/**
 	 * Registers the specified listener on the given chart.
 	 * @param {Chart} chart - Chart from which to listen for event
 	 * @param {String} type - The ({@link IEvent}) type to listen for
 	 * @param {Function} listener - Receives a notification (an object that implements
 	 * the {@link IEvent} interface) when an event of the specified type occurs.
 	 */
 	addEventListener: function() {},
 
 	/**
 	 * Removes the specified listener previously registered with addEventListener.
 	 * @param {Chart} chart -Chart from which to remove the listener
 	 * @param {String} type - The ({@link IEvent}) type to remove
 	 * @param {Function} listener - The listener function to remove from the event target.
 	 */
 	removeEventListener: function() {}
 
 }, implementation);
 
 /**
  * @interface IPlatform
  * Allows abstracting platform dependencies away from the chart
  * @borrows Chart.platform.acquireContext as acquireContext
  * @borrows Chart.platform.releaseContext as releaseContext
  * @borrows Chart.platform.addEventListener as addEventListener
  * @borrows Chart.platform.removeEventListener as removeEventListener
  */
 
 /**
  * @interface IEvent
  * @prop {String} type - The event type name, possible values are:
  * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout',
  * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize'
  * @prop {*} native - The original native event (null for emulated events, e.g. 'resize')
  * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events)
  * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events)
  */
 
 },{"46":46,"47":47,"48":48}],50:[function(require,module,exports){
 'use strict';
 
 module.exports = {};
 module.exports.filler = require(51);
 module.exports.legend = require(52);
 module.exports.title = require(53);
 
 },{"51":51,"52":52,"53":53}],51:[function(require,module,exports){
 /**
  * Plugin based on discussion from the following Chart.js issues:
  * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569
  * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897
  */
 
 'use strict';
 
 var defaults = require(26);
 var elements = require(41);
 var helpers = require(46);
 
 defaults._set('global', {
 	plugins: {
 		filler: {
 			propagate: true
 		}
 	}
 });
 
 var mappers = {
 	dataset: function(source) {
 		var index = source.fill;
 		var chart = source.chart;
 		var meta = chart.getDatasetMeta(index);
 		var visible = meta && chart.isDatasetVisible(index);
 		var points = (visible && meta.dataset._children) || [];
 		var length = points.length || 0;
 
 		return !length ? null : function(point, i) {
 			return (i < length && points[i]._view) || null;
 		};
 	},
 
 	boundary: function(source) {
 		var boundary = source.boundary;
 		var x = boundary ? boundary.x : null;
 		var y = boundary ? boundary.y : null;
 
 		return function(point) {
 			return {
 				x: x === null ? point.x : x,
 				y: y === null ? point.y : y,
 			};
 		};
 	}
 };
 
 // @todo if (fill[0] === '#')
 function decodeFill(el, index, count) {
 	var model = el._model || {};
 	var fill = model.fill;
 	var target;
 
 	if (fill === undefined) {
 		fill = !!model.backgroundColor;
 	}
 
 	if (fill === false || fill === null) {
 		return false;
 	}
 
 	if (fill === true) {
 		return 'origin';
 	}
 
 	target = parseFloat(fill, 10);
 	if (isFinite(target) && Math.floor(target) === target) {
 		if (fill[0] === '-' || fill[0] === '+') {
 			target = index + target;
 		}
 
 		if (target === index || target < 0 || target >= count) {
 			return false;
 		}
 
 		return target;
 	}
 
 	switch (fill) {
 	// compatibility
 	case 'bottom':
 		return 'start';
 	case 'top':
 		return 'end';
 	case 'zero':
 		return 'origin';
 	// supported boundaries
 	case 'origin':
 	case 'start':
 	case 'end':
 		return fill;
 	// invalid fill values
 	default:
 		return false;
 	}
 }
 
 function computeBoundary(source) {
 	var model = source.el._model || {};
 	var scale = source.el._scale || {};
 	var fill = source.fill;
 	var target = null;
 	var horizontal;
 
 	if (isFinite(fill)) {
 		return null;
 	}
 
 	// Backward compatibility: until v3, we still need to support boundary values set on
 	// the model (scaleTop, scaleBottom and scaleZero) because some external plugins and
 	// controllers might still use it (e.g. the Smith chart).
 
 	if (fill === 'start') {
 		target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom;
 	} else if (fill === 'end') {
 		target = model.scaleTop === undefined ? scale.top : model.scaleTop;
 	} else if (model.scaleZero !== undefined) {
 		target = model.scaleZero;
 	} else if (scale.getBasePosition) {
 		target = scale.getBasePosition();
 	} else if (scale.getBasePixel) {
 		target = scale.getBasePixel();
 	}
 
 	if (target !== undefined && target !== null) {
 		if (target.x !== undefined && target.y !== undefined) {
 			return target;
 		}
 
 		if (typeof target === 'number' && isFinite(target)) {
 			horizontal = scale.isHorizontal();
 			return {
 				x: horizontal ? target : null,
 				y: horizontal ? null : target
 			};
 		}
 	}
 
 	return null;
 }
 
 function resolveTarget(sources, index, propagate) {
 	var source = sources[index];
 	var fill = source.fill;
 	var visited = [index];
 	var target;
 
 	if (!propagate) {
 		return fill;
 	}
 
 	while (fill !== false && visited.indexOf(fill) === -1) {
 		if (!isFinite(fill)) {
 			return fill;
 		}
 
 		target = sources[fill];
 		if (!target) {
 			return false;
 		}
 
 		if (target.visible) {
 			return fill;
 		}
 
 		visited.push(fill);
 		fill = target.fill;
 	}
 
 	return false;
 }
 
 function createMapper(source) {
 	var fill = source.fill;
 	var type = 'dataset';
 
 	if (fill === false) {
 		return null;
 	}
 
 	if (!isFinite(fill)) {
 		type = 'boundary';
 	}
 
 	return mappers[type](source);
 }
 
 function isDrawable(point) {
 	return point && !point.skip;
 }
 
 function drawArea(ctx, curve0, curve1, len0, len1) {
 	var i;
 
 	if (!len0 || !len1) {
 		return;
 	}
 
 	// building first area curve (normal)
 	ctx.moveTo(curve0[0].x, curve0[0].y);
 	for (i = 1; i < len0; ++i) {
 		helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]);
 	}
 
 	// joining the two area curves
 	ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y);
 
 	// building opposite area curve (reverse)
 	for (i = len1 - 1; i > 0; --i) {
 		helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true);
 	}
 }
 
 function doFill(ctx, points, mapper, view, color, loop) {
 	var count = points.length;
 	var span = view.spanGaps;
 	var curve0 = [];
 	var curve1 = [];
 	var len0 = 0;
 	var len1 = 0;
 	var i, ilen, index, p0, p1, d0, d1;
 
 	ctx.beginPath();
 
 	for (i = 0, ilen = (count + !!loop); i < ilen; ++i) {
 		index = i % count;
 		p0 = points[index]._view;
 		p1 = mapper(p0, index, view);
 		d0 = isDrawable(p0);
 		d1 = isDrawable(p1);
 
 		if (d0 && d1) {
 			len0 = curve0.push(p0);
 			len1 = curve1.push(p1);
 		} else if (len0 && len1) {
 			if (!span) {
 				drawArea(ctx, curve0, curve1, len0, len1);
 				len0 = len1 = 0;
 				curve0 = [];
 				curve1 = [];
 			} else {
 				if (d0) {
 					curve0.push(p0);
 				}
 				if (d1) {
 					curve1.push(p1);
 				}
 			}
 		}
 	}
 
 	drawArea(ctx, curve0, curve1, len0, len1);
 
 	ctx.closePath();
 	ctx.fillStyle = color;
 	ctx.fill();
 }
 
 module.exports = {
 	id: 'filler',
 
 	afterDatasetsUpdate: function(chart, options) {
 		var count = (chart.data.datasets || []).length;
 		var propagate = options.propagate;
 		var sources = [];
 		var meta, i, el, source;
 
 		for (i = 0; i < count; ++i) {
 			meta = chart.getDatasetMeta(i);
 			el = meta.dataset;
 			source = null;
 
 			if (el && el._model && el instanceof elements.Line) {
 				source = {
 					visible: chart.isDatasetVisible(i),
 					fill: decodeFill(el, i, count),
 					chart: chart,
 					el: el
 				};
 			}
 
 			meta.$filler = source;
 			sources.push(source);
 		}
 
 		for (i = 0; i < count; ++i) {
 			source = sources[i];
 			if (!source) {
 				continue;
 			}
 
 			source.fill = resolveTarget(sources, i, propagate);
 			source.boundary = computeBoundary(source);
 			source.mapper = createMapper(source);
 		}
 	},
 
 	beforeDatasetDraw: function(chart, args) {
 		var meta = args.meta.$filler;
 		if (!meta) {
 			return;
 		}
 
 		var ctx = chart.ctx;
 		var el = meta.el;
 		var view = el._view;
 		var points = el._children || [];
 		var mapper = meta.mapper;
 		var color = view.backgroundColor || defaults.global.defaultColor;
 
 		if (mapper && color && points.length) {
 			helpers.canvas.clipArea(ctx, chart.chartArea);
 			doFill(ctx, points, mapper, view, color, el._loop);
 			helpers.canvas.unclipArea(ctx);
 		}
 	}
 };
 
 },{"26":26,"41":41,"46":46}],52:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 var layouts = require(31);
 
 var noop = helpers.noop;
 
 defaults._set('global', {
 	legend: {
 		display: true,
 		position: 'top',
 		fullWidth: true,
 		reverse: false,
 		weight: 1000,
 
 		// a callback that will handle
 		onClick: function(e, legendItem) {
 			var index = legendItem.datasetIndex;
 			var ci = this.chart;
 			var meta = ci.getDatasetMeta(index);
 
 			// See controller.isDatasetVisible comment
 			meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null;
 
 			// We hid a dataset ... rerender the chart
 			ci.update();
 		},
 
 		onHover: null,
 
 		labels: {
 			boxWidth: 40,
 			padding: 10,
 			// Generates labels shown in the legend
 			// Valid properties to return:
 			// text : text to display
 			// fillStyle : fill of coloured box
 			// strokeStyle: stroke of coloured box
 			// hidden : if this legend item refers to a hidden item
 			// lineCap : cap style for line
 			// lineDash
 			// lineDashOffset :
 			// lineJoin :
 			// lineWidth :
 			generateLabels: function(chart) {
 				var data = chart.data;
 				return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {
 					return {
 						text: dataset.label,
 						fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]),
 						hidden: !chart.isDatasetVisible(i),
 						lineCap: dataset.borderCapStyle,
 						lineDash: dataset.borderDash,
 						lineDashOffset: dataset.borderDashOffset,
 						lineJoin: dataset.borderJoinStyle,
 						lineWidth: dataset.borderWidth,
 						strokeStyle: dataset.borderColor,
 						pointStyle: dataset.pointStyle,
 
 						// Below is extra data used for toggling the datasets
 						datasetIndex: i
 					};
 				}, this) : [];
 			}
 		}
 	},
 
 	legendCallback: function(chart) {
 		var text = [];
 		text.push('<ul class="' + chart.id + '-legend">');
 		for (var i = 0; i < chart.data.datasets.length; i++) {
 			text.push('<li><span style="background-color:' + chart.data.datasets[i].backgroundColor + '"></span>');
 			if (chart.data.datasets[i].label) {
 				text.push(chart.data.datasets[i].label);
 			}
 			text.push('</li>');
 		}
 		text.push('</ul>');
 		return text.join('');
 	}
 });
 
 /**
  * Helper function to get the box width based on the usePointStyle option
  * @param labelopts {Object} the label options on the legend
  * @param fontSize {Number} the label font size
  * @return {Number} width of the color box area
  */
 function getBoxWidth(labelOpts, fontSize) {
 	return labelOpts.usePointStyle ?
 		fontSize * Math.SQRT2 :
 		labelOpts.boxWidth;
 }
 
 /**
  * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
  */
 var Legend = Element.extend({
 
 	initialize: function(config) {
 		helpers.extend(this, config);
 
 		// Contains hit boxes for each dataset (in dataset order)
 		this.legendHitBoxes = [];
 
 		// Are we in doughnut mode which has a different data type
 		this.doughnutMode = false;
 	},
 
 	// These methods are ordered by lifecycle. Utilities then follow.
 	// Any function defined here is inherited by all legend types.
 	// Any function can be extended by the legend type
 
 	beforeUpdate: noop,
 	update: function(maxWidth, maxHeight, margins) {
 		var me = this;
 
 		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
 		me.beforeUpdate();
 
 		// Absorb the master measurements
 		me.maxWidth = maxWidth;
 		me.maxHeight = maxHeight;
 		me.margins = margins;
 
 		// Dimensions
 		me.beforeSetDimensions();
 		me.setDimensions();
 		me.afterSetDimensions();
 		// Labels
 		me.beforeBuildLabels();
 		me.buildLabels();
 		me.afterBuildLabels();
 
 		// Fit
 		me.beforeFit();
 		me.fit();
 		me.afterFit();
 		//
 		me.afterUpdate();
 
 		return me.minSize;
 	},
 	afterUpdate: noop,
 
 	//
 
 	beforeSetDimensions: noop,
 	setDimensions: function() {
 		var me = this;
 		// Set the unconstrained dimension before label rotation
 		if (me.isHorizontal()) {
 			// Reset position before calculating rotation
 			me.width = me.maxWidth;
 			me.left = 0;
 			me.right = me.width;
 		} else {
 			me.height = me.maxHeight;
 
 			// Reset position before calculating rotation
 			me.top = 0;
 			me.bottom = me.height;
 		}
 
 		// Reset padding
 		me.paddingLeft = 0;
 		me.paddingTop = 0;
 		me.paddingRight = 0;
 		me.paddingBottom = 0;
 
 		// Reset minSize
 		me.minSize = {
 			width: 0,
 			height: 0
 		};
 	},
 	afterSetDimensions: noop,
 
 	//
 
 	beforeBuildLabels: noop,
 	buildLabels: function() {
 		var me = this;
 		var labelOpts = me.options.labels || {};
 		var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || [];
 
 		if (labelOpts.filter) {
 			legendItems = legendItems.filter(function(item) {
 				return labelOpts.filter(item, me.chart.data);
 			});
 		}
 
 		if (me.options.reverse) {
 			legendItems.reverse();
 		}
 
 		me.legendItems = legendItems;
 	},
 	afterBuildLabels: noop,
 
 	//
 
 	beforeFit: noop,
 	fit: function() {
 		var me = this;
 		var opts = me.options;
 		var labelOpts = opts.labels;
 		var display = opts.display;
 
 		var ctx = me.ctx;
 
 		var globalDefault = defaults.global;
 		var valueOrDefault = helpers.valueOrDefault;
 		var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);
 		var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);
 		var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);
 		var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);
 
 		// Reset hit boxes
 		var hitboxes = me.legendHitBoxes = [];
 
 		var minSize = me.minSize;
 		var isHorizontal = me.isHorizontal();
 
 		if (isHorizontal) {
 			minSize.width = me.maxWidth; // fill all the width
 			minSize.height = display ? 10 : 0;
 		} else {
 			minSize.width = display ? 10 : 0;
 			minSize.height = me.maxHeight; // fill all the height
 		}
 
 		// Increase sizes here
 		if (display) {
 			ctx.font = labelFont;
 
 			if (isHorizontal) {
 				// Labels
 
 				// Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one
 				var lineWidths = me.lineWidths = [0];
 				var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0;
 
 				ctx.textAlign = 'left';
 				ctx.textBaseline = 'top';
 
 				helpers.each(me.legendItems, function(legendItem, i) {
 					var boxWidth = getBoxWidth(labelOpts, fontSize);
 					var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
 
 					if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) {
 						totalHeight += fontSize + (labelOpts.padding);
 						lineWidths[lineWidths.length] = me.left;
 					}
 
 					// Store the hitbox width and height here. Final position will be updated in `draw`
 					hitboxes[i] = {
 						left: 0,
 						top: 0,
 						width: width,
 						height: fontSize
 					};
 
 					lineWidths[lineWidths.length - 1] += width + labelOpts.padding;
 				});
 
 				minSize.height += totalHeight;
 
 			} else {
 				var vPadding = labelOpts.padding;
 				var columnWidths = me.columnWidths = [];
 				var totalWidth = labelOpts.padding;
 				var currentColWidth = 0;
 				var currentColHeight = 0;
 				var itemHeight = fontSize + vPadding;
 
 				helpers.each(me.legendItems, function(legendItem, i) {
 					var boxWidth = getBoxWidth(labelOpts, fontSize);
 					var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
 
 					// If too tall, go to new column
 					if (currentColHeight + itemHeight > minSize.height) {
 						totalWidth += currentColWidth + labelOpts.padding;
 						columnWidths.push(currentColWidth); // previous column width
 
 						currentColWidth = 0;
 						currentColHeight = 0;
 					}
 
 					// Get max width
 					currentColWidth = Math.max(currentColWidth, itemWidth);
 					currentColHeight += itemHeight;
 
 					// Store the hitbox width and height here. Final position will be updated in `draw`
 					hitboxes[i] = {
 						left: 0,
 						top: 0,
 						width: itemWidth,
 						height: fontSize
 					};
 				});
 
 				totalWidth += currentColWidth;
 				columnWidths.push(currentColWidth);
 				minSize.width += totalWidth;
 			}
 		}
 
 		me.width = minSize.width;
 		me.height = minSize.height;
 	},
 	afterFit: noop,
 
 	// Shared Methods
 	isHorizontal: function() {
 		return this.options.position === 'top' || this.options.position === 'bottom';
 	},
 
 	// Actually draw the legend on the canvas
 	draw: function() {
 		var me = this;
 		var opts = me.options;
 		var labelOpts = opts.labels;
 		var globalDefault = defaults.global;
 		var lineDefault = globalDefault.elements.line;
 		var legendWidth = me.width;
 		var lineWidths = me.lineWidths;
 
 		if (opts.display) {
 			var ctx = me.ctx;
 			var valueOrDefault = helpers.valueOrDefault;
 			var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor);
 			var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize);
 			var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle);
 			var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily);
 			var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);
 			var cursor;
 
 			// Canvas setup
 			ctx.textAlign = 'left';
 			ctx.textBaseline = 'middle';
 			ctx.lineWidth = 0.5;
 			ctx.strokeStyle = fontColor; // for strikethrough effect
 			ctx.fillStyle = fontColor; // render in correct colour
 			ctx.font = labelFont;
 
 			var boxWidth = getBoxWidth(labelOpts, fontSize);
 			var hitboxes = me.legendHitBoxes;
 
 			// current position
 			var drawLegendBox = function(x, y, legendItem) {
 				if (isNaN(boxWidth) || boxWidth <= 0) {
 					return;
 				}
 
 				// Set the ctx for the box
 				ctx.save();
 
 				ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor);
 				ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle);
 				ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset);
 				ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle);
 				ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth);
 				ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor);
 				var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0);
 
 				if (ctx.setLineDash) {
 					// IE 9 and 10 do not support line dash
 					ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash));
 				}
 
 				if (opts.labels && opts.labels.usePointStyle) {
 					// Recalculate x and y for drawPoint() because its expecting
 					// x and y to be center of figure (instead of top left)
 					var radius = fontSize * Math.SQRT2 / 2;
 					var offSet = radius / Math.SQRT2;
 					var centerX = x + offSet;
 					var centerY = y + offSet;
 
 					// Draw pointStyle as legend symbol
 					helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY);
 				} else {
 					// Draw box as legend symbol
 					if (!isLineWidthZero) {
 						ctx.strokeRect(x, y, boxWidth, fontSize);
 					}
 					ctx.fillRect(x, y, boxWidth, fontSize);
 				}
 
 				ctx.restore();
 			};
 			var fillText = function(x, y, legendItem, textWidth) {
 				var halfFontSize = fontSize / 2;
 				var xLeft = boxWidth + halfFontSize + x;
 				var yMiddle = y + halfFontSize;
 
 				ctx.fillText(legendItem.text, xLeft, yMiddle);
 
 				if (legendItem.hidden) {
 					// Strikethrough the text if hidden
 					ctx.beginPath();
 					ctx.lineWidth = 2;
 					ctx.moveTo(xLeft, yMiddle);
 					ctx.lineTo(xLeft + textWidth, yMiddle);
 					ctx.stroke();
 				}
 			};
 
 			// Horizontal
 			var isHorizontal = me.isHorizontal();
 			if (isHorizontal) {
 				cursor = {
 					x: me.left + ((legendWidth - lineWidths[0]) / 2),
 					y: me.top + labelOpts.padding,
 					line: 0
 				};
 			} else {
 				cursor = {
 					x: me.left + labelOpts.padding,
 					y: me.top + labelOpts.padding,
 					line: 0
 				};
 			}
 
 			var itemHeight = fontSize + labelOpts.padding;
 			helpers.each(me.legendItems, function(legendItem, i) {
 				var textWidth = ctx.measureText(legendItem.text).width;
 				var width = boxWidth + (fontSize / 2) + textWidth;
 				var x = cursor.x;
 				var y = cursor.y;
 
 				if (isHorizontal) {
 					if (x + width >= legendWidth) {
 						y = cursor.y += itemHeight;
 						cursor.line++;
 						x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2);
 					}
 				} else if (y + itemHeight > me.bottom) {
 					x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding;
 					y = cursor.y = me.top + labelOpts.padding;
 					cursor.line++;
 				}
 
 				drawLegendBox(x, y, legendItem);
 
 				hitboxes[i].left = x;
 				hitboxes[i].top = y;
 
 				// Fill the actual label
 				fillText(x, y, legendItem, textWidth);
 
 				if (isHorizontal) {
 					cursor.x += width + (labelOpts.padding);
 				} else {
 					cursor.y += itemHeight;
 				}
 
 			});
 		}
 	},
 
 	/**
 	 * Handle an event
 	 * @private
 	 * @param {IEvent} event - The event to handle
 	 * @return {Boolean} true if a change occured
 	 */
 	handleEvent: function(e) {
 		var me = this;
 		var opts = me.options;
 		var type = e.type === 'mouseup' ? 'click' : e.type;
 		var changed = false;
 
 		if (type === 'mousemove') {
 			if (!opts.onHover) {
 				return;
 			}
 		} else if (type === 'click') {
 			if (!opts.onClick) {
 				return;
 			}
 		} else {
 			return;
 		}
 
 		// Chart event already has relative position in it
 		var x = e.x;
 		var y = e.y;
 
 		if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) {
 			// See if we are touching one of the dataset boxes
 			var lh = me.legendHitBoxes;
 			for (var i = 0; i < lh.length; ++i) {
 				var hitBox = lh[i];
 
 				if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) {
 					// Touching an element
 					if (type === 'click') {
 						// use e.native for backwards compatibility
 						opts.onClick.call(me, e.native, me.legendItems[i]);
 						changed = true;
 						break;
 					} else if (type === 'mousemove') {
 						// use e.native for backwards compatibility
 						opts.onHover.call(me, e.native, me.legendItems[i]);
 						changed = true;
 						break;
 					}
 				}
 			}
 		}
 
 		return changed;
 	}
 });
 
 function createNewLegendAndAttach(chart, legendOpts) {
 	var legend = new Legend({
 		ctx: chart.ctx,
 		options: legendOpts,
 		chart: chart
 	});
 
 	layouts.configure(chart, legend, legendOpts);
 	layouts.addBox(chart, legend);
 	chart.legend = legend;
 }
 
 module.exports = {
 	id: 'legend',
 
 	/**
 	 * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making
 	 * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of
 	 * the plugin, which one will be re-exposed in the chart.js file.
 	 * https://github.com/chartjs/Chart.js/pull/2640
 	 * @private
 	 */
 	_element: Legend,
 
 	beforeInit: function(chart) {
 		var legendOpts = chart.options.legend;
 
 		if (legendOpts) {
 			createNewLegendAndAttach(chart, legendOpts);
 		}
 	},
 
 	beforeUpdate: function(chart) {
 		var legendOpts = chart.options.legend;
 		var legend = chart.legend;
 
 		if (legendOpts) {
 			helpers.mergeIf(legendOpts, defaults.global.legend);
 
 			if (legend) {
 				layouts.configure(chart, legend, legendOpts);
 				legend.options = legendOpts;
 			} else {
 				createNewLegendAndAttach(chart, legendOpts);
 			}
 		} else if (legend) {
 			layouts.removeBox(chart, legend);
 			delete chart.legend;
 		}
 	},
 
 	afterEvent: function(chart, e) {
 		var legend = chart.legend;
 		if (legend) {
 			legend.handleEvent(e);
 		}
 	}
 };
 
 },{"26":26,"27":27,"31":31,"46":46}],53:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var Element = require(27);
 var helpers = require(46);
 var layouts = require(31);
 
 var noop = helpers.noop;
 
 defaults._set('global', {
 	title: {
 		display: false,
 		fontStyle: 'bold',
 		fullWidth: true,
 		lineHeight: 1.2,
 		padding: 10,
 		position: 'top',
 		text: '',
 		weight: 2000         // by default greater than legend (1000) to be above
 	}
 });
 
 /**
  * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required!
  */
 var Title = Element.extend({
 	initialize: function(config) {
 		var me = this;
 		helpers.extend(me, config);
 
 		// Contains hit boxes for each dataset (in dataset order)
 		me.legendHitBoxes = [];
 	},
 
 	// These methods are ordered by lifecycle. Utilities then follow.
 
 	beforeUpdate: noop,
 	update: function(maxWidth, maxHeight, margins) {
 		var me = this;
 
 		// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
 		me.beforeUpdate();
 
 		// Absorb the master measurements
 		me.maxWidth = maxWidth;
 		me.maxHeight = maxHeight;
 		me.margins = margins;
 
 		// Dimensions
 		me.beforeSetDimensions();
 		me.setDimensions();
 		me.afterSetDimensions();
 		// Labels
 		me.beforeBuildLabels();
 		me.buildLabels();
 		me.afterBuildLabels();
 
 		// Fit
 		me.beforeFit();
 		me.fit();
 		me.afterFit();
 		//
 		me.afterUpdate();
 
 		return me.minSize;
 
 	},
 	afterUpdate: noop,
 
 	//
 
 	beforeSetDimensions: noop,
 	setDimensions: function() {
 		var me = this;
 		// Set the unconstrained dimension before label rotation
 		if (me.isHorizontal()) {
 			// Reset position before calculating rotation
 			me.width = me.maxWidth;
 			me.left = 0;
 			me.right = me.width;
 		} else {
 			me.height = me.maxHeight;
 
 			// Reset position before calculating rotation
 			me.top = 0;
 			me.bottom = me.height;
 		}
 
 		// Reset padding
 		me.paddingLeft = 0;
 		me.paddingTop = 0;
 		me.paddingRight = 0;
 		me.paddingBottom = 0;
 
 		// Reset minSize
 		me.minSize = {
 			width: 0,
 			height: 0
 		};
 	},
 	afterSetDimensions: noop,
 
 	//
 
 	beforeBuildLabels: noop,
 	buildLabels: noop,
 	afterBuildLabels: noop,
 
 	//
 
 	beforeFit: noop,
 	fit: function() {
 		var me = this;
 		var valueOrDefault = helpers.valueOrDefault;
 		var opts = me.options;
 		var display = opts.display;
 		var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize);
 		var minSize = me.minSize;
 		var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1;
 		var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);
 		var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0;
 
 		if (me.isHorizontal()) {
 			minSize.width = me.maxWidth; // fill all the width
 			minSize.height = textSize;
 		} else {
 			minSize.width = textSize;
 			minSize.height = me.maxHeight; // fill all the height
 		}
 
 		me.width = minSize.width;
 		me.height = minSize.height;
 
 	},
 	afterFit: noop,
 
 	// Shared Methods
 	isHorizontal: function() {
 		var pos = this.options.position;
 		return pos === 'top' || pos === 'bottom';
 	},
 
 	// Actually draw the title block on the canvas
 	draw: function() {
 		var me = this;
 		var ctx = me.ctx;
 		var valueOrDefault = helpers.valueOrDefault;
 		var opts = me.options;
 		var globalDefaults = defaults.global;
 
 		if (opts.display) {
 			var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize);
 			var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle);
 			var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily);
 			var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);
 			var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize);
 			var offset = lineHeight / 2 + opts.padding;
 			var rotation = 0;
 			var top = me.top;
 			var left = me.left;
 			var bottom = me.bottom;
 			var right = me.right;
 			var maxWidth, titleX, titleY;
 
 			ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour
 			ctx.font = titleFont;
 
 			// Horizontal
 			if (me.isHorizontal()) {
 				titleX = left + ((right - left) / 2); // midpoint of the width
 				titleY = top + offset;
 				maxWidth = right - left;
 			} else {
 				titleX = opts.position === 'left' ? left + offset : right - offset;
 				titleY = top + ((bottom - top) / 2);
 				maxWidth = bottom - top;
 				rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5);
 			}
 
 			ctx.save();
 			ctx.translate(titleX, titleY);
 			ctx.rotate(rotation);
 			ctx.textAlign = 'center';
 			ctx.textBaseline = 'middle';
 
 			var text = opts.text;
 			if (helpers.isArray(text)) {
 				var y = 0;
 				for (var i = 0; i < text.length; ++i) {
 					ctx.fillText(text[i], 0, y, maxWidth);
 					y += lineHeight;
 				}
 			} else {
 				ctx.fillText(text, 0, 0, maxWidth);
 			}
 
 			ctx.restore();
 		}
 	}
 });
 
 function createNewTitleBlockAndAttach(chart, titleOpts) {
 	var title = new Title({
 		ctx: chart.ctx,
 		options: titleOpts,
 		chart: chart
 	});
 
 	layouts.configure(chart, title, titleOpts);
 	layouts.addBox(chart, title);
 	chart.titleBlock = title;
 }
 
 module.exports = {
 	id: 'title',
 
 	/**
 	 * Backward compatibility: since 2.1.5, the title is registered as a plugin, making
 	 * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of
 	 * the plugin, which one will be re-exposed in the chart.js file.
 	 * https://github.com/chartjs/Chart.js/pull/2640
 	 * @private
 	 */
 	_element: Title,
 
 	beforeInit: function(chart) {
 		var titleOpts = chart.options.title;
 
 		if (titleOpts) {
 			createNewTitleBlockAndAttach(chart, titleOpts);
 		}
 	},
 
 	beforeUpdate: function(chart) {
 		var titleOpts = chart.options.title;
 		var titleBlock = chart.titleBlock;
 
 		if (titleOpts) {
 			helpers.mergeIf(titleOpts, defaults.global.title);
 
 			if (titleBlock) {
 				layouts.configure(chart, titleBlock, titleOpts);
 				titleBlock.options = titleOpts;
 			} else {
 				createNewTitleBlockAndAttach(chart, titleOpts);
 			}
 		} else if (titleBlock) {
 			layouts.removeBox(chart, titleBlock);
 			delete chart.titleBlock;
 		}
 	}
 };
 
 },{"26":26,"27":27,"31":31,"46":46}],54:[function(require,module,exports){
 'use strict';
 
 var Scale = require(33);
 var scaleService = require(34);
 
 module.exports = function() {
 
 	// Default config for a category scale
 	var defaultConfig = {
 		position: 'bottom'
 	};
 
 	var DatasetScale = Scale.extend({
 		/**
 		* Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those
 		* else fall back to data.labels
 		* @private
 		*/
 		getLabels: function() {
 			var data = this.chart.data;
 			return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels;
 		},
 
 		determineDataLimits: function() {
 			var me = this;
 			var labels = me.getLabels();
 			me.minIndex = 0;
 			me.maxIndex = labels.length - 1;
 			var findIndex;
 
 			if (me.options.ticks.min !== undefined) {
 				// user specified min value
 				findIndex = labels.indexOf(me.options.ticks.min);
 				me.minIndex = findIndex !== -1 ? findIndex : me.minIndex;
 			}
 
 			if (me.options.ticks.max !== undefined) {
 				// user specified max value
 				findIndex = labels.indexOf(me.options.ticks.max);
 				me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex;
 			}
 
 			me.min = labels[me.minIndex];
 			me.max = labels[me.maxIndex];
 		},
 
 		buildTicks: function() {
 			var me = this;
 			var labels = me.getLabels();
 			// If we are viewing some subset of labels, slice the original array
 			me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1);
 		},
 
 		getLabelForIndex: function(index, datasetIndex) {
 			var me = this;
 			var data = me.chart.data;
 			var isHorizontal = me.isHorizontal();
 
 			if (data.yLabels && !isHorizontal) {
 				return me.getRightValue(data.datasets[datasetIndex].data[index]);
 			}
 			return me.ticks[index - me.minIndex];
 		},
 
 		// Used to get data value locations.  Value can either be an index or a numerical value
 		getPixelForValue: function(value, index) {
 			var me = this;
 			var offset = me.options.offset;
 			// 1 is added because we need the length but we have the indexes
 			var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1);
 
 			// If value is a data object, then index is the index in the data array,
 			// not the index of the scale. We need to change that.
 			var valueCategory;
 			if (value !== undefined && value !== null) {
 				valueCategory = me.isHorizontal() ? value.x : value.y;
 			}
 			if (valueCategory !== undefined || (value !== undefined && isNaN(index))) {
 				var labels = me.getLabels();
 				value = valueCategory || value;
 				var idx = labels.indexOf(value);
 				index = idx !== -1 ? idx : index;
 			}
 
 			if (me.isHorizontal()) {
 				var valueWidth = me.width / offsetAmt;
 				var widthOffset = (valueWidth * (index - me.minIndex));
 
 				if (offset) {
 					widthOffset += (valueWidth / 2);
 				}
 
 				return me.left + Math.round(widthOffset);
 			}
 			var valueHeight = me.height / offsetAmt;
 			var heightOffset = (valueHeight * (index - me.minIndex));
 
 			if (offset) {
 				heightOffset += (valueHeight / 2);
 			}
 
 			return me.top + Math.round(heightOffset);
 		},
 		getPixelForTick: function(index) {
 			return this.getPixelForValue(this.ticks[index], index + this.minIndex, null);
 		},
 		getValueForPixel: function(pixel) {
 			var me = this;
 			var offset = me.options.offset;
 			var value;
 			var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1);
 			var horz = me.isHorizontal();
 			var valueDimension = (horz ? me.width : me.height) / offsetAmt;
 
 			pixel -= horz ? me.left : me.top;
 
 			if (offset) {
 				pixel -= (valueDimension / 2);
 			}
 
 			if (pixel <= 0) {
 				value = 0;
 			} else {
 				value = Math.round(pixel / valueDimension);
 			}
 
 			return value + me.minIndex;
 		},
 		getBasePixel: function() {
 			return this.bottom;
 		}
 	});
 
 	scaleService.registerScaleType('category', DatasetScale, defaultConfig);
 };
 
 },{"33":33,"34":34}],55:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var helpers = require(46);
 var scaleService = require(34);
 var Ticks = require(35);
 
 module.exports = function(Chart) {
 
 	var defaultConfig = {
 		position: 'left',
 		ticks: {
 			callback: Ticks.formatters.linear
 		}
 	};
 
 	var LinearScale = Chart.LinearScaleBase.extend({
 
 		determineDataLimits: function() {
 			var me = this;
 			var opts = me.options;
 			var chart = me.chart;
 			var data = chart.data;
 			var datasets = data.datasets;
 			var isHorizontal = me.isHorizontal();
 			var DEFAULT_MIN = 0;
 			var DEFAULT_MAX = 1;
 
 			function IDMatches(meta) {
 				return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;
 			}
 
 			// First Calculate the range
 			me.min = null;
 			me.max = null;
 
 			var hasStacks = opts.stacked;
 			if (hasStacks === undefined) {
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					if (hasStacks) {
 						return;
 					}
 
 					var meta = chart.getDatasetMeta(datasetIndex);
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&
 						meta.stack !== undefined) {
 						hasStacks = true;
 					}
 				});
 			}
 
 			if (opts.stacked || hasStacks) {
 				var valuesPerStack = {};
 
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					var meta = chart.getDatasetMeta(datasetIndex);
 					var key = [
 						meta.type,
 						// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
 						((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),
 						meta.stack
 					].join('.');
 
 					if (valuesPerStack[key] === undefined) {
 						valuesPerStack[key] = {
 							positiveValues: [],
 							negativeValues: []
 						};
 					}
 
 					// Store these per type
 					var positiveValues = valuesPerStack[key].positiveValues;
 					var negativeValues = valuesPerStack[key].negativeValues;
 
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
 						helpers.each(dataset.data, function(rawValue, index) {
 							var value = +me.getRightValue(rawValue);
 							if (isNaN(value) || meta.data[index].hidden) {
 								return;
 							}
 
 							positiveValues[index] = positiveValues[index] || 0;
 							negativeValues[index] = negativeValues[index] || 0;
 
 							if (opts.relativePoints) {
 								positiveValues[index] = 100;
 							} else if (value < 0) {
 								negativeValues[index] += value;
 							} else {
 								positiveValues[index] += value;
 							}
 						});
 					}
 				});
 
 				helpers.each(valuesPerStack, function(valuesForType) {
 					var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);
 					var minVal = helpers.min(values);
 					var maxVal = helpers.max(values);
 					me.min = me.min === null ? minVal : Math.min(me.min, minVal);
 					me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);
 				});
 
 			} else {
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					var meta = chart.getDatasetMeta(datasetIndex);
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
 						helpers.each(dataset.data, function(rawValue, index) {
 							var value = +me.getRightValue(rawValue);
 							if (isNaN(value) || meta.data[index].hidden) {
 								return;
 							}
 
 							if (me.min === null) {
 								me.min = value;
 							} else if (value < me.min) {
 								me.min = value;
 							}
 
 							if (me.max === null) {
 								me.max = value;
 							} else if (value > me.max) {
 								me.max = value;
 							}
 						});
 					}
 				});
 			}
 
 			me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN;
 			me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX;
 
 			// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
 			this.handleTickRangeOptions();
 		},
 		getTickLimit: function() {
 			var maxTicks;
 			var me = this;
 			var tickOpts = me.options.ticks;
 
 			if (me.isHorizontal()) {
 				maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50));
 			} else {
 				// The factor of 2 used to scale the font size has been experimentally determined.
 				var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize);
 				maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize)));
 			}
 
 			return maxTicks;
 		},
 		// Called after the ticks are built. We need
 		handleDirectionalChanges: function() {
 			if (!this.isHorizontal()) {
 				// We are in a vertical orientation. The top value is the highest. So reverse the array
 				this.ticks.reverse();
 			}
 		},
 		getLabelForIndex: function(index, datasetIndex) {
 			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
 		},
 		// Utils
 		getPixelForValue: function(value) {
 			// This must be called after fit has been run so that
 			// this.left, this.top, this.right, and this.bottom have been defined
 			var me = this;
 			var start = me.start;
 
 			var rightValue = +me.getRightValue(value);
 			var pixel;
 			var range = me.end - start;
 
 			if (me.isHorizontal()) {
 				pixel = me.left + (me.width / range * (rightValue - start));
 			} else {
 				pixel = me.bottom - (me.height / range * (rightValue - start));
 			}
 			return pixel;
 		},
 		getValueForPixel: function(pixel) {
 			var me = this;
 			var isHorizontal = me.isHorizontal();
 			var innerDimension = isHorizontal ? me.width : me.height;
 			var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension;
 			return me.start + ((me.end - me.start) * offset);
 		},
 		getPixelForTick: function(index) {
 			return this.getPixelForValue(this.ticksAsNumbers[index]);
 		}
 	});
 
 	scaleService.registerScaleType('linear', LinearScale, defaultConfig);
 };
 
 },{"26":26,"34":34,"35":35,"46":46}],56:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 var Scale = require(33);
 
 /**
  * Generate a set of linear ticks
  * @param generationOptions the options used to generate the ticks
  * @param dataRange the range of the data
  * @returns {Array<Number>} array of tick values
  */
 function generateTicks(generationOptions, dataRange) {
 	var ticks = [];
 	// To get a "nice" value for the tick spacing, we will use the appropriately named
 	// "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
 	// for details.
 
 	var factor;
 	var precision;
 	var spacing;
 
 	if (generationOptions.stepSize && generationOptions.stepSize > 0) {
 		spacing = generationOptions.stepSize;
 	} else {
 		var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false);
 		spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true);
 
 		precision = generationOptions.precision;
 		if (precision !== undefined) {
 			// If the user specified a precision, round to that number of decimal places
 			factor = Math.pow(10, precision);
 			spacing = Math.ceil(spacing * factor) / factor;
 		}
 	}
 	var niceMin = Math.floor(dataRange.min / spacing) * spacing;
 	var niceMax = Math.ceil(dataRange.max / spacing) * spacing;
 
 	// If min, max and stepSize is set and they make an evenly spaced scale use it.
 	if (!helpers.isNullOrUndef(generationOptions.min) && !helpers.isNullOrUndef(generationOptions.max) && generationOptions.stepSize) {
 		// If very close to our whole number, use it.
 		if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) {
 			niceMin = generationOptions.min;
 			niceMax = generationOptions.max;
 		}
 	}
 
 	var numSpaces = (niceMax - niceMin) / spacing;
 	// If very close to our rounded value, use it.
 	if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {
 		numSpaces = Math.round(numSpaces);
 	} else {
 		numSpaces = Math.ceil(numSpaces);
 	}
 
 	precision = 1;
 	if (spacing < 1) {
 		precision = Math.pow(10, 1 - Math.floor(helpers.log10(spacing)));
 		niceMin = Math.round(niceMin * precision) / precision;
 		niceMax = Math.round(niceMax * precision) / precision;
 	}
 	ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin);
 	for (var j = 1; j < numSpaces; ++j) {
 		ticks.push(Math.round((niceMin + j * spacing) * precision) / precision);
 	}
 	ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax);
 
 	return ticks;
 }
 
 module.exports = function(Chart) {
 
 	var noop = helpers.noop;
 
 	Chart.LinearScaleBase = Scale.extend({
 		getRightValue: function(value) {
 			if (typeof value === 'string') {
 				return +value;
 			}
 			return Scale.prototype.getRightValue.call(this, value);
 		},
 
 		handleTickRangeOptions: function() {
 			var me = this;
 			var opts = me.options;
 			var tickOpts = opts.ticks;
 
 			// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
 			// do nothing since that would make the chart weird. If the user really wants a weird chart
 			// axis, they can manually override it
 			if (tickOpts.beginAtZero) {
 				var minSign = helpers.sign(me.min);
 				var maxSign = helpers.sign(me.max);
 
 				if (minSign < 0 && maxSign < 0) {
 					// move the top up to 0
 					me.max = 0;
 				} else if (minSign > 0 && maxSign > 0) {
 					// move the bottom down to 0
 					me.min = 0;
 				}
 			}
 
 			var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined;
 			var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined;
 
 			if (tickOpts.min !== undefined) {
 				me.min = tickOpts.min;
 			} else if (tickOpts.suggestedMin !== undefined) {
 				if (me.min === null) {
 					me.min = tickOpts.suggestedMin;
 				} else {
 					me.min = Math.min(me.min, tickOpts.suggestedMin);
 				}
 			}
 
 			if (tickOpts.max !== undefined) {
 				me.max = tickOpts.max;
 			} else if (tickOpts.suggestedMax !== undefined) {
 				if (me.max === null) {
 					me.max = tickOpts.suggestedMax;
 				} else {
 					me.max = Math.max(me.max, tickOpts.suggestedMax);
 				}
 			}
 
 			if (setMin !== setMax) {
 				// We set the min or the max but not both.
 				// So ensure that our range is good
 				// Inverted or 0 length range can happen when
 				// ticks.min is set, and no datasets are visible
 				if (me.min >= me.max) {
 					if (setMin) {
 						me.max = me.min + 1;
 					} else {
 						me.min = me.max - 1;
 					}
 				}
 			}
 
 			if (me.min === me.max) {
 				me.max++;
 
 				if (!tickOpts.beginAtZero) {
 					me.min--;
 				}
 			}
 		},
 		getTickLimit: noop,
 		handleDirectionalChanges: noop,
 
 		buildTicks: function() {
 			var me = this;
 			var opts = me.options;
 			var tickOpts = opts.ticks;
 
 			// Figure out what the max number of ticks we can support it is based on the size of
 			// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
 			// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
 			// the graph. Make sure we always have at least 2 ticks
 			var maxTicks = me.getTickLimit();
 			maxTicks = Math.max(2, maxTicks);
 
 			var numericGeneratorOptions = {
 				maxTicks: maxTicks,
 				min: tickOpts.min,
 				max: tickOpts.max,
 				precision: tickOpts.precision,
 				stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize)
 			};
 			var ticks = me.ticks = generateTicks(numericGeneratorOptions, me);
 
 			me.handleDirectionalChanges();
 
 			// At this point, we need to update our max and min given the tick values since we have expanded the
 			// range of the scale
 			me.max = helpers.max(ticks);
 			me.min = helpers.min(ticks);
 
 			if (tickOpts.reverse) {
 				ticks.reverse();
 
 				me.start = me.max;
 				me.end = me.min;
 			} else {
 				me.start = me.min;
 				me.end = me.max;
 			}
 		},
 		convertTicksToLabels: function() {
 			var me = this;
 			me.ticksAsNumbers = me.ticks.slice();
 			me.zeroLineIndex = me.ticks.indexOf(0);
 
 			Scale.prototype.convertTicksToLabels.call(me);
 		}
 	});
 };
 
 },{"33":33,"46":46}],57:[function(require,module,exports){
 'use strict';
 
 var helpers = require(46);
 var Scale = require(33);
 var scaleService = require(34);
 var Ticks = require(35);
 
 /**
  * Generate a set of logarithmic ticks
  * @param generationOptions the options used to generate the ticks
  * @param dataRange the range of the data
  * @returns {Array<Number>} array of tick values
  */
 function generateTicks(generationOptions, dataRange) {
 	var ticks = [];
 	var valueOrDefault = helpers.valueOrDefault;
 
 	// Figure out what the max number of ticks we can support it is based on the size of
 	// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
 	// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
 	// the graph
 	var tickVal = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min))));
 
 	var endExp = Math.floor(helpers.log10(dataRange.max));
 	var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp));
 	var exp, significand;
 
 	if (tickVal === 0) {
 		exp = Math.floor(helpers.log10(dataRange.minNotZero));
 		significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp));
 
 		ticks.push(tickVal);
 		tickVal = significand * Math.pow(10, exp);
 	} else {
 		exp = Math.floor(helpers.log10(tickVal));
 		significand = Math.floor(tickVal / Math.pow(10, exp));
 	}
 	var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1;
 
 	do {
 		ticks.push(tickVal);
 
 		++significand;
 		if (significand === 10) {
 			significand = 1;
 			++exp;
 			precision = exp >= 0 ? 1 : precision;
 		}
 
 		tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision;
 	} while (exp < endExp || (exp === endExp && significand < endSignificand));
 
 	var lastTick = valueOrDefault(generationOptions.max, tickVal);
 	ticks.push(lastTick);
 
 	return ticks;
 }
 
 
 module.exports = function(Chart) {
 
 	var defaultConfig = {
 		position: 'left',
 
 		// label settings
 		ticks: {
 			callback: Ticks.formatters.logarithmic
 		}
 	};
 
 	var LogarithmicScale = Scale.extend({
 		determineDataLimits: function() {
 			var me = this;
 			var opts = me.options;
 			var chart = me.chart;
 			var data = chart.data;
 			var datasets = data.datasets;
 			var isHorizontal = me.isHorizontal();
 			function IDMatches(meta) {
 				return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id;
 			}
 
 			// Calculate Range
 			me.min = null;
 			me.max = null;
 			me.minNotZero = null;
 
 			var hasStacks = opts.stacked;
 			if (hasStacks === undefined) {
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					if (hasStacks) {
 						return;
 					}
 
 					var meta = chart.getDatasetMeta(datasetIndex);
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) &&
 						meta.stack !== undefined) {
 						hasStacks = true;
 					}
 				});
 			}
 
 			if (opts.stacked || hasStacks) {
 				var valuesPerStack = {};
 
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					var meta = chart.getDatasetMeta(datasetIndex);
 					var key = [
 						meta.type,
 						// we have a separate stack for stack=undefined datasets when the opts.stacked is undefined
 						((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''),
 						meta.stack
 					].join('.');
 
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
 						if (valuesPerStack[key] === undefined) {
 							valuesPerStack[key] = [];
 						}
 
 						helpers.each(dataset.data, function(rawValue, index) {
 							var values = valuesPerStack[key];
 							var value = +me.getRightValue(rawValue);
 							// invalid, hidden and negative values are ignored
 							if (isNaN(value) || meta.data[index].hidden || value < 0) {
 								return;
 							}
 							values[index] = values[index] || 0;
 							values[index] += value;
 						});
 					}
 				});
 
 				helpers.each(valuesPerStack, function(valuesForType) {
 					if (valuesForType.length > 0) {
 						var minVal = helpers.min(valuesForType);
 						var maxVal = helpers.max(valuesForType);
 						me.min = me.min === null ? minVal : Math.min(me.min, minVal);
 						me.max = me.max === null ? maxVal : Math.max(me.max, maxVal);
 					}
 				});
 
 			} else {
 				helpers.each(datasets, function(dataset, datasetIndex) {
 					var meta = chart.getDatasetMeta(datasetIndex);
 					if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) {
 						helpers.each(dataset.data, function(rawValue, index) {
 							var value = +me.getRightValue(rawValue);
 							// invalid, hidden and negative values are ignored
 							if (isNaN(value) || meta.data[index].hidden || value < 0) {
 								return;
 							}
 
 							if (me.min === null) {
 								me.min = value;
 							} else if (value < me.min) {
 								me.min = value;
 							}
 
 							if (me.max === null) {
 								me.max = value;
 							} else if (value > me.max) {
 								me.max = value;
 							}
 
 							if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) {
 								me.minNotZero = value;
 							}
 						});
 					}
 				});
 			}
 
 			// Common base implementation to handle ticks.min, ticks.max
 			this.handleTickRangeOptions();
 		},
 		handleTickRangeOptions: function() {
 			var me = this;
 			var opts = me.options;
 			var tickOpts = opts.ticks;
 			var valueOrDefault = helpers.valueOrDefault;
 			var DEFAULT_MIN = 1;
 			var DEFAULT_MAX = 10;
 
 			me.min = valueOrDefault(tickOpts.min, me.min);
 			me.max = valueOrDefault(tickOpts.max, me.max);
 
 			if (me.min === me.max) {
 				if (me.min !== 0 && me.min !== null) {
 					me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1);
 					me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1);
 				} else {
 					me.min = DEFAULT_MIN;
 					me.max = DEFAULT_MAX;
 				}
 			}
 			if (me.min === null) {
 				me.min = Math.pow(10, Math.floor(helpers.log10(me.max)) - 1);
 			}
 			if (me.max === null) {
 				me.max = me.min !== 0
 					? Math.pow(10, Math.floor(helpers.log10(me.min)) + 1)
 					: DEFAULT_MAX;
 			}
 			if (me.minNotZero === null) {
 				if (me.min > 0) {
 					me.minNotZero = me.min;
 				} else if (me.max < 1) {
 					me.minNotZero = Math.pow(10, Math.floor(helpers.log10(me.max)));
 				} else {
 					me.minNotZero = DEFAULT_MIN;
 				}
 			}
 		},
 		buildTicks: function() {
 			var me = this;
 			var opts = me.options;
 			var tickOpts = opts.ticks;
 			var reverse = !me.isHorizontal();
 
 			var generationOptions = {
 				min: tickOpts.min,
 				max: tickOpts.max
 			};
 			var ticks = me.ticks = generateTicks(generationOptions, me);
 
 			// At this point, we need to update our max and min given the tick values since we have expanded the
 			// range of the scale
 			me.max = helpers.max(ticks);
 			me.min = helpers.min(ticks);
 
 			if (tickOpts.reverse) {
 				reverse = !reverse;
 				me.start = me.max;
 				me.end = me.min;
 			} else {
 				me.start = me.min;
 				me.end = me.max;
 			}
 			if (reverse) {
 				ticks.reverse();
 			}
 		},
 		convertTicksToLabels: function() {
 			this.tickValues = this.ticks.slice();
 
 			Scale.prototype.convertTicksToLabels.call(this);
 		},
 		// Get the correct tooltip label
 		getLabelForIndex: function(index, datasetIndex) {
 			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
 		},
 		getPixelForTick: function(index) {
 			return this.getPixelForValue(this.tickValues[index]);
 		},
 		/**
 		 * Returns the value of the first tick.
 		 * @param {Number} value - The minimum not zero value.
 		 * @return {Number} The first tick value.
 		 * @private
 		 */
 		_getFirstTickValue: function(value) {
 			var exp = Math.floor(helpers.log10(value));
 			var significand = Math.floor(value / Math.pow(10, exp));
 
 			return significand * Math.pow(10, exp);
 		},
 		getPixelForValue: function(value) {
 			var me = this;
 			var reverse = me.options.ticks.reverse;
 			var log10 = helpers.log10;
 			var firstTickValue = me._getFirstTickValue(me.minNotZero);
 			var offset = 0;
 			var innerDimension, pixel, start, end, sign;
 
 			value = +me.getRightValue(value);
 			if (reverse) {
 				start = me.end;
 				end = me.start;
 				sign = -1;
 			} else {
 				start = me.start;
 				end = me.end;
 				sign = 1;
 			}
 			if (me.isHorizontal()) {
 				innerDimension = me.width;
 				pixel = reverse ? me.right : me.left;
 			} else {
 				innerDimension = me.height;
 				sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0)
 				pixel = reverse ? me.top : me.bottom;
 			}
 			if (value !== start) {
 				if (start === 0) { // include zero tick
 					offset = helpers.getValueOrDefault(
 						me.options.ticks.fontSize,
 						Chart.defaults.global.defaultFontSize
 					);
 					innerDimension -= offset;
 					start = firstTickValue;
 				}
 				if (value !== 0) {
 					offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start));
 				}
 				pixel += sign * offset;
 			}
 			return pixel;
 		},
 		getValueForPixel: function(pixel) {
 			var me = this;
 			var reverse = me.options.ticks.reverse;
 			var log10 = helpers.log10;
 			var firstTickValue = me._getFirstTickValue(me.minNotZero);
 			var innerDimension, start, end, value;
 
 			if (reverse) {
 				start = me.end;
 				end = me.start;
 			} else {
 				start = me.start;
 				end = me.end;
 			}
 			if (me.isHorizontal()) {
 				innerDimension = me.width;
 				value = reverse ? me.right - pixel : pixel - me.left;
 			} else {
 				innerDimension = me.height;
 				value = reverse ? pixel - me.top : me.bottom - pixel;
 			}
 			if (value !== start) {
 				if (start === 0) { // include zero tick
 					var offset = helpers.getValueOrDefault(
 						me.options.ticks.fontSize,
 						Chart.defaults.global.defaultFontSize
 					);
 					value -= offset;
 					innerDimension -= offset;
 					start = firstTickValue;
 				}
 				value *= log10(end) - log10(start);
 				value /= innerDimension;
 				value = Math.pow(10, log10(start) + value);
 			}
 			return value;
 		}
 	});
 
 	scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig);
 };
 
 },{"33":33,"34":34,"35":35,"46":46}],58:[function(require,module,exports){
 'use strict';
 
 var defaults = require(26);
 var helpers = require(46);
 var scaleService = require(34);
 var Ticks = require(35);
 
 module.exports = function(Chart) {
 
 	var globalDefaults = defaults.global;
 
 	var defaultConfig = {
 		display: true,
 
 		// Boolean - Whether to animate scaling the chart from the centre
 		animate: true,
 		position: 'chartArea',
 
 		angleLines: {
 			display: true,
 			color: 'rgba(0, 0, 0, 0.1)',
 			lineWidth: 1
 		},
 
 		gridLines: {
 			circular: false
 		},
 
 		// label settings
 		ticks: {
 			// Boolean - Show a backdrop to the scale label
 			showLabelBackdrop: true,
 
 			// String - The colour of the label backdrop
 			backdropColor: 'rgba(255,255,255,0.75)',
 
 			// Number - The backdrop padding above & below the label in pixels
 			backdropPaddingY: 2,
 
 			// Number - The backdrop padding to the side of the label in pixels
 			backdropPaddingX: 2,
 
 			callback: Ticks.formatters.linear
 		},
 
 		pointLabels: {
 			// Boolean - if true, show point labels
 			display: true,
 
 			// Number - Point label font size in pixels
 			fontSize: 10,
 
 			// Function - Used to convert point labels
 			callback: function(label) {
 				return label;
 			}
 		}
 	};
 
 	function getValueCount(scale) {
 		var opts = scale.options;
 		return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0;
 	}
 
 	function getPointLabelFontOptions(scale) {
 		var pointLabelOptions = scale.options.pointLabels;
 		var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize);
 		var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle);
 		var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily);
 		var font = helpers.fontString(fontSize, fontStyle, fontFamily);
 
 		return {
 			size: fontSize,
 			style: fontStyle,
 			family: fontFamily,
 			font: font
 		};
 	}
 
 	function measureLabelSize(ctx, fontSize, label) {
 		if (helpers.isArray(label)) {
 			return {
 				w: helpers.longestText(ctx, ctx.font, label),
 				h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize)
 			};
 		}
 
 		return {
 			w: ctx.measureText(label).width,
 			h: fontSize
 		};
 	}
 
 	function determineLimits(angle, pos, size, min, max) {
 		if (angle === min || angle === max) {
 			return {
 				start: pos - (size / 2),
 				end: pos + (size / 2)
 			};
 		} else if (angle < min || angle > max) {
 			return {
 				start: pos - size - 5,
 				end: pos
 			};
 		}
 
 		return {
 			start: pos,
 			end: pos + size + 5
 		};
 	}
 
 	/**
 	 * Helper function to fit a radial linear scale with point labels
 	 */
 	function fitWithPointLabels(scale) {
 		/*
 		 * Right, this is really confusing and there is a lot of maths going on here
 		 * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
 		 *
 		 * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
 		 *
 		 * Solution:
 		 *
 		 * We assume the radius of the polygon is half the size of the canvas at first
 		 * at each index we check if the text overlaps.
 		 *
 		 * Where it does, we store that angle and that index.
 		 *
 		 * After finding the largest index and angle we calculate how much we need to remove
 		 * from the shape radius to move the point inwards by that x.
 		 *
 		 * We average the left and right distances to get the maximum shape radius that can fit in the box
 		 * along with labels.
 		 *
 		 * Once we have that, we can find the centre point for the chart, by taking the x text protrusion
 		 * on each side, removing that from the size, halving it and adding the left x protrusion width.
 		 *
 		 * This will mean we have a shape fitted to the canvas, as large as it can be with the labels
 		 * and position it in the most space efficient manner
 		 *
 		 * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
 		 */
 
 		var plFont = getPointLabelFontOptions(scale);
 
 		// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
 		// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
 		var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);
 		var furthestLimits = {
 			r: scale.width,
 			l: 0,
 			t: scale.height,
 			b: 0
 		};
 		var furthestAngles = {};
 		var i, textSize, pointPosition;
 
 		scale.ctx.font = plFont.font;
 		scale._pointLabelSizes = [];
 
 		var valueCount = getValueCount(scale);
 		for (i = 0; i < valueCount; i++) {
 			pointPosition = scale.getPointPosition(i, largestPossibleRadius);
 			textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || '');
 			scale._pointLabelSizes[i] = textSize;
 
 			// Add quarter circle to make degree 0 mean top of circle
 			var angleRadians = scale.getIndexAngle(i);
 			var angle = helpers.toDegrees(angleRadians) % 360;
 			var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180);
 			var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270);
 
 			if (hLimits.start < furthestLimits.l) {
 				furthestLimits.l = hLimits.start;
 				furthestAngles.l = angleRadians;
 			}
 
 			if (hLimits.end > furthestLimits.r) {
 				furthestLimits.r = hLimits.end;
 				furthestAngles.r = angleRadians;
 			}
 
 			if (vLimits.start < furthestLimits.t) {
 				furthestLimits.t = vLimits.start;
 				furthestAngles.t = angleRadians;
 			}
 
 			if (vLimits.end > furthestLimits.b) {
 				furthestLimits.b = vLimits.end;
 				furthestAngles.b = angleRadians;
 			}
 		}
 
 		scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles);
 	}
 
 	/**
 	 * Helper function to fit a radial linear scale with no point labels
 	 */
 	function fit(scale) {
 		var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2);
 		scale.drawingArea = Math.round(largestPossibleRadius);
 		scale.setCenterPoint(0, 0, 0, 0);
 	}
 
 	function getTextAlignForAngle(angle) {
 		if (angle === 0 || angle === 180) {
 			return 'center';
 		} else if (angle < 180) {
 			return 'left';
 		}
 
 		return 'right';
 	}
 
 	function fillText(ctx, text, position, fontSize) {
 		if (helpers.isArray(text)) {
 			var y = position.y;
 			var spacing = 1.5 * fontSize;
 
 			for (var i = 0; i < text.length; ++i) {
 				ctx.fillText(text[i], position.x, y);
 				y += spacing;
 			}
 		} else {
 			ctx.fillText(text, position.x, position.y);
 		}
 	}
 
 	function adjustPointPositionForLabelHeight(angle, textSize, position) {
 		if (angle === 90 || angle === 270) {
 			position.y -= (textSize.h / 2);
 		} else if (angle > 270 || angle < 90) {
 			position.y -= textSize.h;
 		}
 	}
 
 	function drawPointLabels(scale) {
 		var ctx = scale.ctx;
 		var opts = scale.options;
 		var angleLineOpts = opts.angleLines;
 		var pointLabelOpts = opts.pointLabels;
 
 		ctx.lineWidth = angleLineOpts.lineWidth;
 		ctx.strokeStyle = angleLineOpts.color;
 
 		var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max);
 
 		// Point Label Font
 		var plFont = getPointLabelFontOptions(scale);
 
 		ctx.textBaseline = 'top';
 
 		for (var i = getValueCount(scale) - 1; i >= 0; i--) {
 			if (angleLineOpts.display) {
 				var outerPosition = scale.getPointPosition(i, outerDistance);
 				ctx.beginPath();
 				ctx.moveTo(scale.xCenter, scale.yCenter);
 				ctx.lineTo(outerPosition.x, outerPosition.y);
 				ctx.stroke();
 				ctx.closePath();
 			}
 
 			if (pointLabelOpts.display) {
 				// Extra 3px out for some label spacing
 				var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5);
 
 				// Keep this in loop since we may support array properties here
 				var pointLabelFontColor = helpers.valueAtIndexOrDefault(pointLabelOpts.fontColor, i, globalDefaults.defaultFontColor);
 				ctx.font = plFont.font;
 				ctx.fillStyle = pointLabelFontColor;
 
 				var angleRadians = scale.getIndexAngle(i);
 				var angle = helpers.toDegrees(angleRadians);
 				ctx.textAlign = getTextAlignForAngle(angle);
 				adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition);
 				fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size);
 			}
 		}
 	}
 
 	function drawRadiusLine(scale, gridLineOpts, radius, index) {
 		var ctx = scale.ctx;
 		ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1);
 		ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1);
 
 		if (scale.options.gridLines.circular) {
 			// Draw circular arcs between the points
 			ctx.beginPath();
 			ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2);
 			ctx.closePath();
 			ctx.stroke();
 		} else {
 			// Draw straight lines connecting each index
 			var valueCount = getValueCount(scale);
 
 			if (valueCount === 0) {
 				return;
 			}
 
 			ctx.beginPath();
 			var pointPosition = scale.getPointPosition(0, radius);
 			ctx.moveTo(pointPosition.x, pointPosition.y);
 
 			for (var i = 1; i < valueCount; i++) {
 				pointPosition = scale.getPointPosition(i, radius);
 				ctx.lineTo(pointPosition.x, pointPosition.y);
 			}
 
 			ctx.closePath();
 			ctx.stroke();
 		}
 	}
 
 	function numberOrZero(param) {
 		return helpers.isNumber(param) ? param : 0;
 	}
 
 	var LinearRadialScale = Chart.LinearScaleBase.extend({
 		setDimensions: function() {
 			var me = this;
 			var opts = me.options;
 			var tickOpts = opts.ticks;
 			// Set the unconstrained dimension before label rotation
 			me.width = me.maxWidth;
 			me.height = me.maxHeight;
 			me.xCenter = Math.round(me.width / 2);
 			me.yCenter = Math.round(me.height / 2);
 
 			var minSize = helpers.min([me.height, me.width]);
 			var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);
 			me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2);
 		},
 		determineDataLimits: function() {
 			var me = this;
 			var chart = me.chart;
 			var min = Number.POSITIVE_INFINITY;
 			var max = Number.NEGATIVE_INFINITY;
 
 			helpers.each(chart.data.datasets, function(dataset, datasetIndex) {
 				if (chart.isDatasetVisible(datasetIndex)) {
 					var meta = chart.getDatasetMeta(datasetIndex);
 
 					helpers.each(dataset.data, function(rawValue, index) {
 						var value = +me.getRightValue(rawValue);
 						if (isNaN(value) || meta.data[index].hidden) {
 							return;
 						}
 
 						min = Math.min(value, min);
 						max = Math.max(value, max);
 					});
 				}
 			});
 
 			me.min = (min === Number.POSITIVE_INFINITY ? 0 : min);
 			me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max);
 
 			// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
 			me.handleTickRangeOptions();
 		},
 		getTickLimit: function() {
 			var tickOpts = this.options.ticks;
 			var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);
 			return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));
 		},
 		convertTicksToLabels: function() {
 			var me = this;
 
 			Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me);
 
 			// Point labels
 			me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me);
 		},
 		getLabelForIndex: function(index, datasetIndex) {
 			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
 		},
 		fit: function() {
 			if (this.options.pointLabels.display) {
 				fitWithPointLabels(this);
 			} else {
 				fit(this);
 			}
 		},
 		/**
 		 * Set radius reductions and determine new radius and center point
 		 * @private
 		 */
 		setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) {
 			var me = this;
 			var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l);
 			var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r);
 			var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t);
 			var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b);
 
 			radiusReductionLeft = numberOrZero(radiusReductionLeft);
 			radiusReductionRight = numberOrZero(radiusReductionRight);
 			radiusReductionTop = numberOrZero(radiusReductionTop);
 			radiusReductionBottom = numberOrZero(radiusReductionBottom);
 
 			me.drawingArea = Math.min(
 				Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2),
 				Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2));
 			me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom);
 		},
 		setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) {
 			var me = this;
 			var maxRight = me.width - rightMovement - me.drawingArea;
 			var maxLeft = leftMovement + me.drawingArea;
 			var maxTop = topMovement + me.drawingArea;
 			var maxBottom = me.height - bottomMovement - me.drawingArea;
 
 			me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left);
 			me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top);
 		},
 
 		getIndexAngle: function(index) {
 			var angleMultiplier = (Math.PI * 2) / getValueCount(this);
 			var startAngle = this.chart.options && this.chart.options.startAngle ?
 				this.chart.options.startAngle :
 				0;
 
 			var startAngleRadians = startAngle * Math.PI * 2 / 360;
 
 			// Start from the top instead of right, so remove a quarter of the circle
 			return index * angleMultiplier + startAngleRadians;
 		},
 		getDistanceFromCenterForValue: function(value) {
 			var me = this;
 
 			if (value === null) {
 				return 0; // null always in center
 			}
 
 			// Take into account half font size + the yPadding of the top value
 			var scalingFactor = me.drawingArea / (me.max - me.min);
 			if (me.options.ticks.reverse) {
 				return (me.max - value) * scalingFactor;
 			}
 			return (value - me.min) * scalingFactor;
 		},
 		getPointPosition: function(index, distanceFromCenter) {
 			var me = this;
 			var thisAngle = me.getIndexAngle(index) - (Math.PI / 2);
 			return {
 				x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter,
 				y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter
 			};
 		},
 		getPointPositionForValue: function(index, value) {
 			return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
 		},
 
 		getBasePosition: function() {
 			var me = this;
 			var min = me.min;
 			var max = me.max;
 
 			return me.getPointPositionForValue(0,
 				me.beginAtZero ? 0 :
 				min < 0 && max < 0 ? max :
 				min > 0 && max > 0 ? min :
 				0);
 		},
 
 		draw: function() {
 			var me = this;
 			var opts = me.options;
 			var gridLineOpts = opts.gridLines;
 			var tickOpts = opts.ticks;
 			var valueOrDefault = helpers.valueOrDefault;
 
 			if (opts.display) {
 				var ctx = me.ctx;
 				var startAngle = this.getIndexAngle(0);
 
 				// Tick Font
 				var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize);
 				var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle);
 				var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily);
 				var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
 
 				helpers.each(me.ticks, function(label, index) {
 					// Don't draw a centre value (if it is minimum)
 					if (index > 0 || tickOpts.reverse) {
 						var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]);
 
 						// Draw circular lines around the scale
 						if (gridLineOpts.display && index !== 0) {
 							drawRadiusLine(me, gridLineOpts, yCenterOffset, index);
 						}
 
 						if (tickOpts.display) {
 							var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor);
 							ctx.font = tickLabelFont;
 
 							ctx.save();
 							ctx.translate(me.xCenter, me.yCenter);
 							ctx.rotate(startAngle);
 
 							if (tickOpts.showLabelBackdrop) {
 								var labelWidth = ctx.measureText(label).width;
 								ctx.fillStyle = tickOpts.backdropColor;
 								ctx.fillRect(
 									-labelWidth / 2 - tickOpts.backdropPaddingX,
 									-yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY,
 									labelWidth + tickOpts.backdropPaddingX * 2,
 									tickFontSize + tickOpts.backdropPaddingY * 2
 								);
 							}
 
 							ctx.textAlign = 'center';
 							ctx.textBaseline = 'middle';
 							ctx.fillStyle = tickFontColor;
 							ctx.fillText(label, 0, -yCenterOffset);
 							ctx.restore();
 						}
 					}
 				});
 
 				if (opts.angleLines.display || opts.pointLabels.display) {
 					drawPointLabels(me);
 				}
 			}
 		}
 	});
 
 	scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig);
 };
 
 },{"26":26,"34":34,"35":35,"46":46}],59:[function(require,module,exports){
 /* global window: false */
 'use strict';
 
 var moment = require(1);
 moment = typeof moment === 'function' ? moment : window.moment;
 
 var defaults = require(26);
 var helpers = require(46);
 var Scale = require(33);
 var scaleService = require(34);
 
 // Integer constants are from the ES6 spec.
 var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991;
 var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991;
 
 var INTERVALS = {
 	millisecond: {
 		common: true,
 		size: 1,
 		steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]
 	},
 	second: {
 		common: true,
 		size: 1000,
 		steps: [1, 2, 5, 10, 15, 30]
 	},
 	minute: {
 		common: true,
 		size: 60000,
 		steps: [1, 2, 5, 10, 15, 30]
 	},
 	hour: {
 		common: true,
 		size: 3600000,
 		steps: [1, 2, 3, 6, 12]
 	},
 	day: {
 		common: true,
 		size: 86400000,
 		steps: [1, 2, 5]
 	},
 	week: {
 		common: false,
 		size: 604800000,
 		steps: [1, 2, 3, 4]
 	},
 	month: {
 		common: true,
 		size: 2.628e9,
 		steps: [1, 2, 3]
 	},
 	quarter: {
 		common: false,
 		size: 7.884e9,
 		steps: [1, 2, 3, 4]
 	},
 	year: {
 		common: true,
 		size: 3.154e10
 	}
 };
 
 var UNITS = Object.keys(INTERVALS);
 
 function sorter(a, b) {
 	return a - b;
 }
 
 function arrayUnique(items) {
 	var hash = {};
 	var out = [];
 	var i, ilen, item;
 
 	for (i = 0, ilen = items.length; i < ilen; ++i) {
 		item = items[i];
 		if (!hash[item]) {
 			hash[item] = true;
 			out.push(item);
 		}
 	}
 
 	return out;
 }
 
 /**
  * Returns an array of {time, pos} objects used to interpolate a specific `time` or position
  * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is
  * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other
  * extremity (left + width or top + height). Note that it would be more optimized to directly
  * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need
  * to create the lookup table. The table ALWAYS contains at least two items: min and max.
  *
  * @param {Number[]} timestamps - timestamps sorted from lowest to highest.
  * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min
  * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}.
  * If 'series', timestamps will be positioned at the same distance from each other. In this
  * case, only timestamps that break the time linearity are registered, meaning that in the
  * best case, all timestamps are linear, the table contains only min and max.
  */
 function buildLookupTable(timestamps, min, max, distribution) {
 	if (distribution === 'linear' || !timestamps.length) {
 		return [
 			{time: min, pos: 0},
 			{time: max, pos: 1}
 		];
 	}
 
 	var table = [];
 	var items = [min];
 	var i, ilen, prev, curr, next;
 
 	for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
 		curr = timestamps[i];
 		if (curr > min && curr < max) {
 			items.push(curr);
 		}
 	}
 
 	items.push(max);
 
 	for (i = 0, ilen = items.length; i < ilen; ++i) {
 		next = items[i + 1];
 		prev = items[i - 1];
 		curr = items[i];
 
 		// only add points that breaks the scale linearity
 		if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) {
 			table.push({time: curr, pos: i / (ilen - 1)});
 		}
 	}
 
 	return table;
 }
 
 // @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/
 function lookup(table, key, value) {
 	var lo = 0;
 	var hi = table.length - 1;
 	var mid, i0, i1;
 
 	while (lo >= 0 && lo <= hi) {
 		mid = (lo + hi) >> 1;
 		i0 = table[mid - 1] || null;
 		i1 = table[mid];
 
 		if (!i0) {
 			// given value is outside table (before first item)
 			return {lo: null, hi: i1};
 		} else if (i1[key] < value) {
 			lo = mid + 1;
 		} else if (i0[key] > value) {
 			hi = mid - 1;
 		} else {
 			return {lo: i0, hi: i1};
 		}
 	}
 
 	// given value is outside table (after last item)
 	return {lo: i1, hi: null};
 }
 
 /**
  * Linearly interpolates the given source `value` using the table items `skey` values and
  * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos')
  * returns the position for a timestamp equal to 42. If value is out of bounds, values at
  * index [0, 1] or [n - 1, n] are used for the interpolation.
  */
 function interpolate(table, skey, sval, tkey) {
 	var range = lookup(table, skey, sval);
 
 	// Note: the lookup table ALWAYS contains at least 2 items (min and max)
 	var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo;
 	var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi;
 
 	var span = next[skey] - prev[skey];
 	var ratio = span ? (sval - prev[skey]) / span : 0;
 	var offset = (next[tkey] - prev[tkey]) * ratio;
 
 	return prev[tkey] + offset;
 }
 
 /**
  * Convert the given value to a moment object using the given time options.
  * @see http://momentjs.com/docs/#/parsing/
  */
 function momentify(value, options) {
 	var parser = options.parser;
 	var format = options.parser || options.format;
 
 	if (typeof parser === 'function') {
 		return parser(value);
 	}
 
 	if (typeof value === 'string' && typeof format === 'string') {
 		return moment(value, format);
 	}
 
 	if (!(value instanceof moment)) {
 		value = moment(value);
 	}
 
 	if (value.isValid()) {
 		return value;
 	}
 
 	// Labels are in an incompatible moment format and no `parser` has been provided.
 	// The user might still use the deprecated `format` option to convert his inputs.
 	if (typeof format === 'function') {
 		return format(value);
 	}
 
 	return value;
 }
 
 function parse(input, scale) {
 	if (helpers.isNullOrUndef(input)) {
 		return null;
 	}
 
 	var options = scale.options.time;
 	var value = momentify(scale.getRightValue(input), options);
 	if (!value.isValid()) {
 		return null;
 	}
 
 	if (options.round) {
 		value.startOf(options.round);
 	}
 
 	return value.valueOf();
 }
 
 /**
  * Returns the number of unit to skip to be able to display up to `capacity` number of ticks
  * in `unit` for the given `min` / `max` range and respecting the interval steps constraints.
  */
 function determineStepSize(min, max, unit, capacity) {
 	var range = max - min;
 	var interval = INTERVALS[unit];
 	var milliseconds = interval.size;
 	var steps = interval.steps;
 	var i, ilen, factor;
 
 	if (!steps) {
 		return Math.ceil(range / (capacity * milliseconds));
 	}
 
 	for (i = 0, ilen = steps.length; i < ilen; ++i) {
 		factor = steps[i];
 		if (Math.ceil(range / (milliseconds * factor)) <= capacity) {
 			break;
 		}
 	}
 
 	return factor;
 }
 
 /**
  * Figures out what unit results in an appropriate number of auto-generated ticks
  */
 function determineUnitForAutoTicks(minUnit, min, max, capacity) {
 	var ilen = UNITS.length;
 	var i, interval, factor;
 
 	for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) {
 		interval = INTERVALS[UNITS[i]];
 		factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER;
 
 		if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) {
 			return UNITS[i];
 		}
 	}
 
 	return UNITS[ilen - 1];
 }
 
 /**
  * Figures out what unit to format a set of ticks with
  */
 function determineUnitForFormatting(ticks, minUnit, min, max) {
 	var duration = moment.duration(moment(max).diff(moment(min)));
 	var ilen = UNITS.length;
 	var i, unit;
 
 	for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) {
 		unit = UNITS[i];
 		if (INTERVALS[unit].common && duration.as(unit) >= ticks.length) {
 			return unit;
 		}
 	}
 
 	return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0];
 }
 
 function determineMajorUnit(unit) {
 	for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) {
 		if (INTERVALS[UNITS[i]].common) {
 			return UNITS[i];
 		}
 	}
 }
 
 /**
  * Generates a maximum of `capacity` timestamps between min and max, rounded to the
  * `minor` unit, aligned on the `major` unit and using the given scale time `options`.
  * Important: this method can return ticks outside the min and max range, it's the
  * responsibility of the calling code to clamp values if needed.
  */
 function generate(min, max, capacity, options) {
 	var timeOpts = options.time;
 	var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity);
 	var major = determineMajorUnit(minor);
 	var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize);
 	var weekday = minor === 'week' ? timeOpts.isoWeekday : false;
 	var majorTicksEnabled = options.ticks.major.enabled;
 	var interval = INTERVALS[minor];
 	var first = moment(min);
 	var last = moment(max);
 	var ticks = [];
 	var time;
 
 	if (!stepSize) {
 		stepSize = determineStepSize(min, max, minor, capacity);
 	}
 
 	// For 'week' unit, handle the first day of week option
 	if (weekday) {
 		first = first.isoWeekday(weekday);
 		last = last.isoWeekday(weekday);
 	}
 
 	// Align first/last ticks on unit
 	first = first.startOf(weekday ? 'day' : minor);
 	last = last.startOf(weekday ? 'day' : minor);
 
 	// Make sure that the last tick include max
 	if (last < max) {
 		last.add(1, minor);
 	}
 
 	time = moment(first);
 
 	if (majorTicksEnabled && major && !weekday && !timeOpts.round) {
 		// Align the first tick on the previous `minor` unit aligned on the `major` unit:
 		// we first aligned time on the previous `major` unit then add the number of full
 		// stepSize there is between first and the previous major time.
 		time.startOf(major);
 		time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor);
 	}
 
 	for (; time < last; time.add(stepSize, minor)) {
 		ticks.push(+time);
 	}
 
 	ticks.push(+time);
 
 	return ticks;
 }
 
 /**
  * Returns the right and left offsets from edges in the form of {left, right}.
  * Offsets are added when the `offset` option is true.
  */
 function computeOffsets(table, ticks, min, max, options) {
 	var left = 0;
 	var right = 0;
 	var upper, lower;
 
 	if (options.offset && ticks.length) {
 		if (!options.time.min) {
 			upper = ticks.length > 1 ? ticks[1] : max;
 			lower = ticks[0];
 			left = (
 				interpolate(table, 'time', upper, 'pos') -
 				interpolate(table, 'time', lower, 'pos')
 			) / 2;
 		}
 		if (!options.time.max) {
 			upper = ticks[ticks.length - 1];
 			lower = ticks.length > 1 ? ticks[ticks.length - 2] : min;
 			right = (
 				interpolate(table, 'time', upper, 'pos') -
 				interpolate(table, 'time', lower, 'pos')
 			) / 2;
 		}
 	}
 
 	return {left: left, right: right};
 }
 
 function ticksFromTimestamps(values, majorUnit) {
 	var ticks = [];
 	var i, ilen, value, major;
 
 	for (i = 0, ilen = values.length; i < ilen; ++i) {
 		value = values[i];
 		major = majorUnit ? value === +moment(value).startOf(majorUnit) : false;
 
 		ticks.push({
 			value: value,
 			major: major
 		});
 	}
 
 	return ticks;
 }
 
 function determineLabelFormat(data, timeOpts) {
 	var i, momentDate, hasTime;
 	var ilen = data.length;
 
 	// find the label with the most parts (milliseconds, minutes, etc.)
 	// format all labels with the same level of detail as the most specific label
 	for (i = 0; i < ilen; i++) {
 		momentDate = momentify(data[i], timeOpts);
 		if (momentDate.millisecond() !== 0) {
 			return 'MMM D, YYYY h:mm:ss.SSS a';
 		}
 		if (momentDate.second() !== 0 || momentDate.minute() !== 0 || momentDate.hour() !== 0) {
 			hasTime = true;
 		}
 	}
 	if (hasTime) {
 		return 'MMM D, YYYY h:mm:ss a';
 	}
 	return 'MMM D, YYYY';
 }
 
 module.exports = function() {
 
 	var defaultConfig = {
 		position: 'bottom',
 
 		/**
 		 * Data distribution along the scale:
 		 * - 'linear': data are spread according to their time (distances can vary),
 		 * - 'series': data are spread at the same distance from each other.
 		 * @see https://github.com/chartjs/Chart.js/pull/4507
 		 * @since 2.7.0
 		 */
 		distribution: 'linear',
 
 		/**
 		 * Scale boundary strategy (bypassed by min/max time options)
 		 * - `data`: make sure data are fully visible, ticks outside are removed
 		 * - `ticks`: make sure ticks are fully visible, data outside are truncated
 		 * @see https://github.com/chartjs/Chart.js/pull/4556
 		 * @since 2.7.0
 		 */
 		bounds: 'data',
 
 		time: {
 			parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment
 			format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/
 			unit: false, // false == automatic or override with week, month, year, etc.
 			round: false, // none, or override with week, month, year, etc.
 			displayFormat: false, // DEPRECATED
 			isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/
 			minUnit: 'millisecond',
 
 			// defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/
 			displayFormats: {
 				millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM,
 				second: 'h:mm:ss a', // 11:20:01 AM
 				minute: 'h:mm a', // 11:20 AM
 				hour: 'hA', // 5PM
 				day: 'MMM D', // Sep 4
 				week: 'll', // Week 46, or maybe "[W]WW - YYYY" ?
 				month: 'MMM YYYY', // Sept 2015
 				quarter: '[Q]Q - YYYY', // Q3
 				year: 'YYYY' // 2015
 			},
 		},
 		ticks: {
 			autoSkip: false,
 
 			/**
 			 * Ticks generation input values:
 			 * - 'auto': generates "optimal" ticks based on scale size and time options.
 			 * - 'data': generates ticks from data (including labels from data {t|x|y} objects).
 			 * - 'labels': generates ticks from user given `data.labels` values ONLY.
 			 * @see https://github.com/chartjs/Chart.js/pull/4507
 			 * @since 2.7.0
 			 */
 			source: 'auto',
 
 			major: {
 				enabled: false
 			}
 		}
 	};
 
 	var TimeScale = Scale.extend({
 		initialize: function() {
 			if (!moment) {
 				throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');
 			}
 
 			this.mergeTicksOptions();
 
 			Scale.prototype.initialize.call(this);
 		},
 
 		update: function() {
 			var me = this;
 			var options = me.options;
 
 			// DEPRECATIONS: output a message only one time per update
 			if (options.time && options.time.format) {
 				console.warn('options.time.format is deprecated and replaced by options.time.parser.');
 			}
 
 			return Scale.prototype.update.apply(me, arguments);
 		},
 
 		/**
 		 * Allows data to be referenced via 't' attribute
 		 */
 		getRightValue: function(rawValue) {
 			if (rawValue && rawValue.t !== undefined) {
 				rawValue = rawValue.t;
 			}
 			return Scale.prototype.getRightValue.call(this, rawValue);
 		},
 
 		determineDataLimits: function() {
 			var me = this;
 			var chart = me.chart;
 			var timeOpts = me.options.time;
 			var unit = timeOpts.unit || 'day';
 			var min = MAX_INTEGER;
 			var max = MIN_INTEGER;
 			var timestamps = [];
 			var datasets = [];
 			var labels = [];
 			var i, j, ilen, jlen, data, timestamp;
 
 			// Convert labels to timestamps
 			for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) {
 				labels.push(parse(chart.data.labels[i], me));
 			}
 
 			// Convert data to timestamps
 			for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) {
 				if (chart.isDatasetVisible(i)) {
 					data = chart.data.datasets[i].data;
 
 					// Let's consider that all data have the same format.
 					if (helpers.isObject(data[0])) {
 						datasets[i] = [];
 
 						for (j = 0, jlen = data.length; j < jlen; ++j) {
 							timestamp = parse(data[j], me);
 							timestamps.push(timestamp);
 							datasets[i][j] = timestamp;
 						}
 					} else {
 						timestamps.push.apply(timestamps, labels);
 						datasets[i] = labels.slice(0);
 					}
 				} else {
 					datasets[i] = [];
 				}
 			}
 
 			if (labels.length) {
 				// Sort labels **after** data have been converted
 				labels = arrayUnique(labels).sort(sorter);
 				min = Math.min(min, labels[0]);
 				max = Math.max(max, labels[labels.length - 1]);
 			}
 
 			if (timestamps.length) {
 				timestamps = arrayUnique(timestamps).sort(sorter);
 				min = Math.min(min, timestamps[0]);
 				max = Math.max(max, timestamps[timestamps.length - 1]);
 			}
 
 			min = parse(timeOpts.min, me) || min;
 			max = parse(timeOpts.max, me) || max;
 
 			// In case there is no valid min/max, set limits based on unit time option
 			min = min === MAX_INTEGER ? +moment().startOf(unit) : min;
 			max = max === MIN_INTEGER ? +moment().endOf(unit) + 1 : max;
 
 			// Make sure that max is strictly higher than min (required by the lookup table)
 			me.min = Math.min(min, max);
 			me.max = Math.max(min + 1, max);
 
 			// PRIVATE
 			me._horizontal = me.isHorizontal();
 			me._table = [];
 			me._timestamps = {
 				data: timestamps,
 				datasets: datasets,
 				labels: labels
 			};
 		},
 
 		buildTicks: function() {
 			var me = this;
 			var min = me.min;
 			var max = me.max;
 			var options = me.options;
 			var timeOpts = options.time;
 			var timestamps = [];
 			var ticks = [];
 			var i, ilen, timestamp;
 
 			switch (options.ticks.source) {
 			case 'data':
 				timestamps = me._timestamps.data;
 				break;
 			case 'labels':
 				timestamps = me._timestamps.labels;
 				break;
 			case 'auto':
 			default:
 				timestamps = generate(min, max, me.getLabelCapacity(min), options);
 			}
 
 			if (options.bounds === 'ticks' && timestamps.length) {
 				min = timestamps[0];
 				max = timestamps[timestamps.length - 1];
 			}
 
 			// Enforce limits with user min/max options
 			min = parse(timeOpts.min, me) || min;
 			max = parse(timeOpts.max, me) || max;
 
 			// Remove ticks outside the min/max range
 			for (i = 0, ilen = timestamps.length; i < ilen; ++i) {
 				timestamp = timestamps[i];
 				if (timestamp >= min && timestamp <= max) {
 					ticks.push(timestamp);
 				}
 			}
 
 			me.min = min;
 			me.max = max;
 
 			// PRIVATE
 			me._unit = timeOpts.unit || determineUnitForFormatting(ticks, timeOpts.minUnit, me.min, me.max);
 			me._majorUnit = determineMajorUnit(me._unit);
 			me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution);
 			me._offsets = computeOffsets(me._table, ticks, min, max, options);
 			me._labelFormat = determineLabelFormat(me._timestamps.data, timeOpts);
 
 			return ticksFromTimestamps(ticks, me._majorUnit);
 		},
 
 		getLabelForIndex: function(index, datasetIndex) {
 			var me = this;
 			var data = me.chart.data;
 			var timeOpts = me.options.time;
 			var label = data.labels && index < data.labels.length ? data.labels[index] : '';
 			var value = data.datasets[datasetIndex].data[index];
 
 			if (helpers.isObject(value)) {
 				label = me.getRightValue(value);
 			}
 			if (timeOpts.tooltipFormat) {
 				return momentify(label, timeOpts).format(timeOpts.tooltipFormat);
 			}
 			if (typeof label === 'string') {
 				return label;
 			}
 
 			return momentify(label, timeOpts).format(me._labelFormat);
 		},
 
 		/**
 		 * Function to format an individual tick mark
 		 * @private
 		 */
 		tickFormatFunction: function(tick, index, ticks, formatOverride) {
 			var me = this;
 			var options = me.options;
 			var time = tick.valueOf();
 			var formats = options.time.displayFormats;
 			var minorFormat = formats[me._unit];
 			var majorUnit = me._majorUnit;
 			var majorFormat = formats[majorUnit];
 			var majorTime = tick.clone().startOf(majorUnit).valueOf();
 			var majorTickOpts = options.ticks.major;
 			var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime;
 			var label = tick.format(formatOverride ? formatOverride : major ? majorFormat : minorFormat);
 			var tickOpts = major ? majorTickOpts : options.ticks.minor;
 			var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback);
 
 			return formatter ? formatter(label, index, ticks) : label;
 		},
 
 		convertTicksToLabels: function(ticks) {
 			var labels = [];
 			var i, ilen;
 
 			for (i = 0, ilen = ticks.length; i < ilen; ++i) {
 				labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks));
 			}
 
 			return labels;
 		},
 
 		/**
 		 * @private
 		 */
 		getPixelForOffset: function(time) {
 			var me = this;
 			var size = me._horizontal ? me.width : me.height;
 			var start = me._horizontal ? me.left : me.top;
 			var pos = interpolate(me._table, 'time', time, 'pos');
 
 			return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right);
 		},
 
 		getPixelForValue: function(value, index, datasetIndex) {
 			var me = this;
 			var time = null;
 
 			if (index !== undefined && datasetIndex !== undefined) {
 				time = me._timestamps.datasets[datasetIndex][index];
 			}
 
 			if (time === null) {
 				time = parse(value, me);
 			}
 
 			if (time !== null) {
 				return me.getPixelForOffset(time);
 			}
 		},
 
 		getPixelForTick: function(index) {
 			var ticks = this.getTicks();
 			return index >= 0 && index < ticks.length ?
 				this.getPixelForOffset(ticks[index].value) :
 				null;
 		},
 
 		getValueForPixel: function(pixel) {
 			var me = this;
 			var size = me._horizontal ? me.width : me.height;
 			var start = me._horizontal ? me.left : me.top;
 			var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right;
 			var time = interpolate(me._table, 'pos', pos, 'time');
 
 			return moment(time);
 		},
 
 		/**
 		 * Crude approximation of what the label width might be
 		 * @private
 		 */
 		getLabelWidth: function(label) {
 			var me = this;
 			var ticksOpts = me.options.ticks;
 			var tickLabelWidth = me.ctx.measureText(label).width;
 			var angle = helpers.toRadians(ticksOpts.maxRotation);
 			var cosRotation = Math.cos(angle);
 			var sinRotation = Math.sin(angle);
 			var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize);
 
 			return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);
 		},
 
 		/**
 		 * @private
 		 */
 		getLabelCapacity: function(exampleTime) {
 			var me = this;
 
 			var formatOverride = me.options.time.displayFormats.millisecond;	// Pick the longest format for guestimation
 
 			var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, [], formatOverride);
 			var tickLabelWidth = me.getLabelWidth(exampleLabel);
 			var innerWidth = me.isHorizontal() ? me.width : me.height;
 
 			var capacity = Math.floor(innerWidth / tickLabelWidth);
 			return capacity > 0 ? capacity : 1;
 		}
 	});
 
 	scaleService.registerScaleType('time', TimeScale, defaultConfig);
 };
 
 },{"1":1,"26":26,"33":33,"34":34,"46":46}]},{},[7])(7)
 });