| license: mit |
Original code from:
http://bl.ocks.org/JMStewart/f0dc27409658ab04d1c8
Now attempting to use D3 with React v16
forked from Fasani's block: React V16 + D3 + Force
forked from hshoff's block: React V16 + D3 + Force
forked from hshoff's block: React V16 + D3 + Force
Final solution is to render 50% less
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script src="https://unpkg.com/react@next/umd/react.production.min.js" charset="utf-8"></script> | |
| <script src="https://unpkg.com/react-dom@next/umd/react-dom.production.min.js" charset="utf-8"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/create-react-class@15.6.0/create-react-class.min.js" charset="utf-8"></script> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| </head> | |
| <body> | |
| <div id="container"></div> | |
| <script> | |
| var size = 1000; | |
| var height = 500; | |
| var width = 960; | |
| var charge = -0.3; | |
| var dataGlobal = d3.range(size).map(function() { | |
| return { r: Math.floor(Math.random() * 8 + 2) }; | |
| }); | |
| var start = new Date(); | |
| var time = 0; | |
| var ticks = 0; | |
| var force = d3.layout | |
| .force() | |
| .size([width, height]) | |
| .nodes(dataGlobal) | |
| .charge(function(d) { | |
| return d.r * d.r * charge; | |
| }) | |
| .start(); | |
| var BubbleChart = createReactClass({ | |
| displayName: "BubbleChart", | |
| render: function() { | |
| return React.createElement( | |
| Chart, | |
| { | |
| width: this.props.width, | |
| height: this.props.height | |
| }, | |
| React.createElement( | |
| DataSeries, | |
| { | |
| data: this.props.data | |
| }, | |
| null | |
| ) | |
| ); | |
| } | |
| }); | |
| var Chart = createReactClass({ | |
| displayName: "Chart", | |
| render: function() { | |
| return React.createElement( | |
| "svg", | |
| { | |
| width: this.props.width, | |
| height: this.props.height | |
| }, | |
| this.props.children | |
| ); | |
| } | |
| }); | |
| var DataSeries = createReactClass({ | |
| displayName: "DataSeries", | |
| getInitialState: function() { | |
| return { | |
| data: this.props.data, | |
| shouldRender: true | |
| }; | |
| }, | |
| componentDidMount: function() { | |
| var _self = this; | |
| force.on("tick", function() { | |
| var renderStart = new Date(); | |
| window.requestAnimationFrame(_self.tick); | |
| time += new Date() - renderStart; | |
| ticks++; | |
| }); | |
| }, | |
| tick: function() { | |
| this.setState({ | |
| data: this.props.data, | |
| shouldRender: !this.state.shouldRender | |
| }); | |
| }, | |
| shouldComponentUpdate() { | |
| return this.state.shouldRender; | |
| }, | |
| render: function() { | |
| var circles = this.state.data.map(function(point, i) { | |
| return React.createElement( | |
| "circle", | |
| { | |
| key: i, | |
| cx: 0, | |
| cy: 0, | |
| r: point.r, | |
| fill: "steelblue", | |
| style: { transform: `translate(${point.x}px, ${point.y}px)` } | |
| }, | |
| null | |
| ); | |
| }); | |
| return React.createElement("g", null, circles); | |
| } | |
| }); | |
| var container = document.getElementById("container"); | |
| ReactDOM.render( | |
| React.createElement( | |
| BubbleChart, | |
| { | |
| data: dataGlobal, | |
| width: width, | |
| height: height | |
| }, | |
| null | |
| ), | |
| container | |
| ); | |
| force.on("end", function() { | |
| var totalTime = new Date() - start; | |
| console.log("Total Time:", totalTime); | |
| console.log("Render Time:", time); | |
| console.log("Ticks:", ticks); | |
| console.log("Average Time:", totalTime / ticks); | |
| }); | |
| </script> | |
| </html> |