vega.min.js

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i=d3.select(e).selectAll("svg.axes").data([1]);i.enter().append("svg").style("pointer-events","none"),i.attr("class","axes").attr("width",t+r.left+r.right).attr("height",n+r.top+r.bottom).style({position:"absolute",left:0,top:0});var s=i.selectAll("g").data([1]);return s.enter().append("g"),s.attr("transform","translate("+r.left+","+r.top+")"),this._init=!1,this},n.element=function(){return this._el},n.update=function(e,t,n){t=t||0,n=n||"cubic-in-out";var i=this._init;this._init=!0;var s=d3.select(this._el).selectAll("svg.axes").select("g"),o=r(e.scene(),0,0,[]);i||s.selectAll("g.axis").data(o).enter().append("g").attr("class",function(e,t){return"axis axis-"+t});var u=t&&i?s.transition(t).ease(n):s,a=this._width,f=this._height;u.selectAll("g.axis").attr("transform",function(e,t){var n=e.axis.offset||0,r=e.group.width||a,i=e.group.height||f,s;switch(e.axis.orient()){case"left":s=[-n,0];break;case"right":s=[r+n,0];break;case"bottom":s=[0,i+n];break;case"top":s=[0,-n];break;default:s=[0,0]}return"translate("+(s[0]+e.x)+", "+(s[1]+e.y)+")"}).each(function(e){e.axis.scale(e.group.scales[e.axis.scaleName]);var n=d3.select(this);(t&&i?n.transition().duration(t):n).call(e.axis)})},t}(),e.Model=function(){function t(){this._defs=null,this._data={},this._scene=null}var n=t.prototype;return n.defs=function(e){return arguments.length?(this._defs=e,this):this._defs},n.data=function(t){if(!arguments.length)return this._data;var n=this._defs.data.flow||{},r=this._defs.data.defs.map(e.accessor("name")),i,s,o,u,a;for(i=0,o=r.length;i<o;++i){if(!t[u=r[i]])continue;this._data[u]=n[u]?n[u](t[u],this._data,this._defs.marks):t[u],a=this._defs.data.source[u]||[];for(s=0;s<a.length;++s)this._data[a[s]]=n[a[s]]?n[a[s]](this._data[u],this._data,this._defs.marks):this._data[u]}return this},n.width=function(e){return this._defs&&this._defs.marks&&(this._defs.marks.width=e),this._scene&&(this._scene.items[0].width=e),this},n.height=function(e){return this._defs&&this._defs.marks&&(this._defs.marks.height=e),this._scene&&(this._scene.items[0].height=e),this},n.scene=function(e){return arguments.length?(this._scene=e,this):this._scene},n.build=function(){var t=this,n=t._data,r=t._defs.marks;return t._scene=e.scene.build.call(t,r,n,t._scene),t._scene.items[0].width=r.width,t._scene.items[0].height=r.height,t._scene.interactive=!1,this},n.encode=function(t,n,r){var i=this,s=i._scene,o=i._defs;return e.scene.encode.call(i,s,o.marks,t,n,r),this},t}(),e.View=function(){var t=function(t,n,r){this._el=null,this._build=!1,this._model=new e.Model,this._width=n||500,this._height=r||500,this._padding={top:0,left:0,bottom:0,right:0},this._viewport=null,this._renderer=null,this._handler=null,this._io=e.canvas,t&&this.initialize(t)},n=t.prototype;return n.width=function(e){return arguments.length?(this._width!==e&&(this._width=e,this._el&&this.initialize(this._el.parentNode),this._model.width(e)),this):this._width},n.height=function(e){return arguments.length?(this._height!==e&&(this._height=e,this._el&&this.initialize(this._el.parentNode),this._model.height(this._height)),this):this._height},n.padding=function(e){return arguments.length?(this._padding!==e&&(this._padding=e,this._el&&this.initialize(this._el.parentNode)),this):this._padding},n.viewport=function(e){return arguments.length?(this._viewport!==e&&(this._viewport=e,this._el&&this.initialize(this._el.parentNode)),this):this._viewport},n.renderer=function(t){return arguments.length?(t==="canvas"&&(t=e.canvas),t==="svg"&&(t=e.svg),this._io!==t&&(this._io=t,this._renderer=null,this._el&&this.initialize(this._el.parentNode),this._build&&this.render()),this):this._io},n.defs=function(e){return arguments.length?(this._model.defs(e),this):this._model.defs()},n.data=function(t){if(!arguments.length)return this._model.data();var n=e.keys(t).reduce(function(n,r){return n[r]=t[r].map(e.data.ingest),n},{});return this._model.data(n),this._build=!1,this},n.model=function(e){return arguments.length?(this._model!==e&&(this._model=e,this._handler&&this._handler.model(e)),this):this._model},n.initialize=function(t){var n=this,r,i=n._width,s=n._height,o=n._padding;return d3.select(t).select("div.vega").remove(),this._el=t=d3.select(t).append("div").attr("class","vega").style("position","relative").node(),n._viewport&&d3.select(t).style("width",(n._viewport[0]||i)+"px").style("height",(n._viewport[1]||s)+"px").style("overflow","auto"),n._axes=(n._axes||new e.Axes).initialize(t,i,s,o),n._renderer=(n._renderer||new this._io.Renderer).initialize(t,i,s,o),r=n._handler,n._handler=(new this._io.Handler).initialize(t,o,n).model(n._model),r&&r.handlers().forEach(function(e){n._handler.on(e.type,e.handler)}),this},n.render=function(e){return this._axes.update(this._model),this._renderer.render(this._model.scene(),e),this},n.on=function(){return this._handler.on.apply(this._handler,arguments),this},n.off=function(){return this._handler.off.apply(this._handler,arguments),this},n.update=function(t){t=t||{};var n=this,r=t.duration?e.scene.transition(t.duration,t.ease):null;return n._build=n._build||(n._model.build(),!0),n._model.encode(r,t.props,t.items),r?(r.start(function(e){n._renderer.render(n._model.scene(),e)}),this._axes.update(this._model,t.duration,t.ease)):n.render(t.items),n},t}(),e.Spec=function(){var t=function(t){this.spec={width:500,height:500,padding:0,data:[],scales:[],axes:[],marks:[]},t&&e.extend(this.spec,t)},n=t.prototype;return n.width=function(e){return this.spec.width=e,this},n.height=function(e){return this.spec.height=e,this},n.padding=function(e){return this.spec.padding=e,this},n.viewport=function(e){return this.spec.viewport=e,this},n.data=function(t,n){return n?n.name=t:n=e.isString(t)?{name:t}:t,this.spec.data.push(n),this},n.scale=function(t,n){return n?n.name=t:n=e.isString(t)?{name:t}:t,this.spec.scales.push(n),this},n.axis=function(e){return this.spec.axes.push(e),this},n.mark=function(t,n){n?n.type=t:n={type:t},n.properties={},this.spec.marks.push(n);var r=this;return{from:function(t,r){return n.from=r?(r.data=t,r):e.isString(t)?{data:t}:t,this},prop:function(t,r){return n.properties[t]=e.keys(r).reduce(function(t,n){var i=r[n];return t[n]=e.isObject(i)?i:{value:i},t},{}),this},done:function(){return r}}},n.parse=function(t){e.parse.spec(this.spec,t)},n.json=function(){return this.spec},t}(),e.spec=function(t){return new e.Spec(t)},e}();