|  |  | 
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|  | Licensed to the Apache Software Foundation (ASF) under one | 
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|  | to you under the Apache License, Version 2.0 (the | 
|  | "License"); you may not use this file except in compliance | 
|  | with the License.  You may obtain a copy of the License at | 
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|  | http://www.apache.org/licenses/LICENSE-2.0 | 
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|  | Unless required by applicable law or agreed to in writing, | 
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|  |  | 
|  | <html> | 
|  | <head> | 
|  | <meta charset="utf-8"> | 
|  | <script src="lib/simpleRequire.js"></script> | 
|  | <script src="lib/config.js"></script> | 
|  | <script src="lib/jquery.min.js"></script> | 
|  | <script src="lib/dat.gui.min.js"></script> | 
|  | </head> | 
|  | <body> | 
|  | <style> | 
|  | html, body, #main { | 
|  | width: 100%; | 
|  | height: 100%; | 
|  | margin: 0; | 
|  | } | 
|  | </style> | 
|  | <div id="main"></div> | 
|  | <script> | 
|  |  | 
|  | require([ | 
|  | 'echarts' | 
|  | ], function (echarts) { | 
|  |  | 
|  | var chart = echarts.init(document.getElementById('main')); | 
|  |  | 
|  | var data = [{ | 
|  | fixed: true, | 
|  | x: chart.getWidth() / 2, | 
|  | y: chart.getHeight() / 2, | 
|  | symbolSize: 20, | 
|  | id: '-1' | 
|  | }]; | 
|  | var edges = []; | 
|  | chart.setOption({ | 
|  | series: [{ | 
|  | type: 'graph', | 
|  | layout: 'force', | 
|  | animation: false, | 
|  | data: data, | 
|  | force: { | 
|  | // initLayout: 'circular', | 
|  | // gravity: 0 | 
|  | repulsion: 100, | 
|  | edgeLength: 5 | 
|  | }, | 
|  | edges: edges | 
|  | }] | 
|  | }); | 
|  |  | 
|  | setInterval(function () { | 
|  | data.push({ | 
|  | id: data.length | 
|  | }); | 
|  | var source = Math.round((data.length - 1) * Math.random()); | 
|  | var target = Math.round((data.length - 1) * Math.random()); | 
|  | if (source !== target) { | 
|  | edges.push({ | 
|  | source: source, | 
|  | target: target | 
|  | }); | 
|  | } | 
|  | chart.setOption({ | 
|  | series: [{ | 
|  | roam: true, | 
|  | data: data, | 
|  | edges: edges | 
|  | }] | 
|  | }); | 
|  |  | 
|  | console.log('nodes: ' + data.length); | 
|  | console.log('links: ' + data.length); | 
|  | }, 500); | 
|  | }); | 
|  | </script> | 
|  | </body> | 
|  | </html> |