/*!
 * d3.chart - v0.3.0
 * License: MIT
 * Date: 2016-01-23
 */
!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e(require("d3")):"function"==typeof define&&define.amd?define("d3.chart",["d3"],e):"object"==typeof exports?exports["d3.chart"]=e(require("d3")):t["d3.chart"]=e(t.d3)}(this,function(t){return function(t){function e(n){if(r[n])return r[n].exports;var i=r[n]={exports:{},id:n,loaded:!1};return t[n].call(i.exports,i,i.exports,e),i.loaded=!0,i.exports}var r={};return e.m=t,e.c=r,e.p="",e(0)}([function(t,e,r){var n;n=function(t,e,n){"use strict";var i=r(1),o=r(2),a=r(3);a(/^3\./.test(i.version),"d3.js version 3 is required"),r(4),i.chart=function(t){return 0===arguments.length?o:1===arguments.length?o[t]:o.extend.apply(o,arguments)},i.selection.prototype.chart=function(t,e){if(0===arguments.length)return this._chart;var r=o[t];return a(r,"No chart registered with name '"+t+"'"),new r(this,e)},i.selection.enter.prototype.chart=function(){return this._chart},i.transition.prototype.chart=i.selection.enter.prototype.chart,n.exports=i.chart}.call(e,r,e,t),!(void 0!==n&&(t.exports=n))},function(e,r){e.exports=t},function(t,e,r){var n;n=function(t,e,n){"use strict";function i(t){var e,r,n,i;if(!t)return t;for(r=arguments.length,e=1;r>e;e++)if(n=arguments[e])for(i in n)t[i]=n[i];return t}var o=r(3),a=Object.hasOwnProperty,s=function(t,e){var r=this.constructor,n=r.__super__;n&&s.call(n,t,e),a.call(r.prototype,"initialize")&&this.initialize.apply(t,e)},c=function(t,e){var r=this.constructor,n=r.__super__;return this===t&&a.call(this,"transform")&&(e=this.transform(e)),a.call(r.prototype,"transform")&&(e=r.prototype.transform.call(t,e)),n&&(e=c.call(n,t,e)),e},h=function(t,e){this.base=t,this._layers={},this._attached={},this._events={},e&&e.transform&&(this.transform=e.transform),s.call(this,this,[e])};h.prototype.initialize=function(){},h.prototype.unlayer=function(t){var e=this.layer(t);return delete this._layers[t],delete e._chart,e},h.prototype.layer=function(t,e,r){var n;if(1===arguments.length)return this._layers[t];if(2===arguments.length){if("function"==typeof e.draw)return e._chart=this,this._layers[t]=e,this._layers[t];o(!1,"When reattaching a layer, the second argument must be a d3.chart layer")}return n=e.layer(r),this._layers[t]=n,e._chart=this,n},h.prototype.attach=function(t,e){return 1===arguments.length?this._attached[t]:(this._attached[t]=e,e)},h.prototype.transform=function(t){return t},h.prototype.draw=function(t){var e,r,n;t=c.call(this,this,t);for(e in this._layers)this._layers[e].draw(t);for(r in this._attached)n=this.demux?this.demux(r,t):t,this._attached[r].draw(n)},h.prototype.on=function(t,e,r){var n=this._events[t]||(this._events[t]=[]);return n.push({callback:e,context:r||this,_chart:this}),this},h.prototype.once=function(t,e,r){var n=this,i=function(){n.off(t,i),e.apply(this,arguments)};return this.on(t,i,r)},h.prototype.off=function(t,e,r){var n,i,o,a,s,c;if(0===arguments.length){for(t in this._events)this._events[t].length=0;return this}if(1===arguments.length)return o=this._events[t],o&&(o.length=0),this;for(n=t?[t]:Object.keys(this._events),s=0;s<n.length;s++)for(i=n[s],o=this._events[i],c=o.length;c--;)a=o[c],(e&&e===a.callback||r&&r===a.context)&&o.splice(c,1);return this},h.prototype.trigger=function(t){var e,r,n=Array.prototype.slice.call(arguments,1),i=this._events[t];if(void 0!==i)for(e=0;e<i.length;e++)r=i[e],r.callback.apply(r.context,n);return this},h.extend=function(t,e,r){var n,o=this;n=e&&a.call(e,"constructor")?e.constructor:function(){return o.apply(this,arguments)},i(n,o,r);var s=function(){this.constructor=n};return s.prototype=o.prototype,n.prototype=new s,e&&i(n.prototype,e),n.__super__=o.prototype,h[t]=n,n},n.exports=h}.call(e,r,e,t),!(void 0!==n&&(t.exports=n))},function(t,e,r){var n;n=function(t,e,r){"use strict";r.exports=function(t,e){if(!t)throw new Error("[d3.chart] "+e)}}.call(e,r,e,t),!(void 0!==n&&(t.exports=n))},function(t,e,r){var n;n=function(t){"use strict";var e=r(1),n=r(5);e.selection.prototype.layer=function(t){var e,r=new n(this);if(r.dataBind=t.dataBind,r.insert=t.insert,"events"in t)for(e in t.events)r.on(e,t.events[e]);return this.on=function(){return r.on.apply(r,arguments)},this.off=function(){return r.off.apply(r,arguments)},this.draw=function(){return r.draw.apply(r,arguments)},this}}.call(e,r,e,t),!(void 0!==n&&(t.exports=n))},function(t,e,r){var n;n=function(t,e,n){"use strict";var i=r(1),o=r(3),a=/^(enter|update|merge|exit)(:transition)?$/,s=function(t){o(t,"Layers must be initialized with a base."),this._base=t,this._handlers={}};s.prototype.dataBind=function(){o(!1,"Layers must specify a `dataBind` method.")},s.prototype.insert=function(){o(!1,"Layers must specify an `insert` method.")},s.prototype.on=function(t,e,r){return r=r||{},o(a.test(t),"Unrecognized lifecycle event name specified to `Layer#on`: '"+t+"'."),t in this._handlers||(this._handlers[t]=[]),this._handlers[t].push({callback:e,chart:r.chart||null}),this._base},s.prototype.off=function(t,e){var r,n=this._handlers[t];if(o(a.test(t),"Unrecognized lifecycle event name specified to `Layer#off`: '"+t+"'."),!n)return this._base;if(1===arguments.length)return n.length=0,this._base;for(r=n.length-1;r>-1;--r)n[r].callback===e&&n.splice(r,1);return this._base},s.prototype.draw=function(t){var e,r,n,a,s,c,h,l,u;e=this.dataBind.call(this._base,t),o(e&&e.call===i.selection.prototype.call,"Invalid selection defined by `Layer#dataBind` method."),o(e.enter,"Layer selection not properly bound."),r=e.enter(),r._chart=this._base._chart,n=[{name:"update",selection:e},{name:"enter",selection:r,method:this.insert},{name:"merge",selection:e},{name:"exit",selection:e,method:e.exit}];for(var p=0,f=n.length;f>p;++p)if(h=n[p].name,a=n[p].selection,s=n[p].method,"function"==typeof s&&(a=s.call(a)),!a.empty()){if(o(a&&a.call===i.selection.prototype.call,"Invalid 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