|  | 
 | <!-- | 
 | Licensed to the Apache Software Foundation (ASF) under one | 
 | or more contributor license agreements.  See the NOTICE file | 
 | distributed with this work for additional information | 
 | regarding copyright ownership.  The ASF licenses this file | 
 | 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 | 
 |  | 
 |    http://www.apache.org/licenses/LICENSE-2.0 | 
 |  | 
 | Unless required by applicable law or agreed to in writing, | 
 | software distributed under the License is distributed on an | 
 | "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | 
 | KIND, either express or implied.  See the License for the | 
 | specific language governing permissions and limitations | 
 | under the License. | 
 | --> | 
 |  | 
 | <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 { | 
 |                 width: 100%; | 
 |                 height: 100%; | 
 |                 margin: 0; | 
 |             } | 
 |             .chart { | 
 |                 width: 50%; | 
 |                 float: left; | 
 |                 height: 100%; | 
 |             } | 
 |         </style> | 
 |         <div id="main0" class="chart"></div> | 
 |         <div id="main1" class="chart"></div> | 
 |         <script> | 
 |  | 
 |             require([ | 
 |                 'echarts' | 
 |             ], function (echarts) { | 
 |  | 
 |                 [0.1, 0.9].forEach(function (friction, index) { | 
 |                     var chart = echarts.init(document.getElementById('main' + index)); | 
 |  | 
 |                     function createNodes(count) { | 
 |                         var nodes = []; | 
 |                         for (var i = 0; i < count; i++) { | 
 |                             nodes.push({ | 
 |                                 id: i | 
 |                             }); | 
 |                         } | 
 |                         return nodes; | 
 |                     } | 
 |  | 
 |                     function createEdges(count) { | 
 |                         var edges = []; | 
 |                         if (count === 2) { | 
 |                             return [[0, 1]]; | 
 |                         } | 
 |                         for (var i = 0; i < count; i++) { | 
 |                             edges.push([i, (i + 1) % count]); | 
 |                         } | 
 |                         return edges; | 
 |                     } | 
 |  | 
 |                     chart.setOption({ | 
 |                         series: { | 
 |                             type: 'graph', | 
 |                             layout: 'force', | 
 |                             animation: false, | 
 |                             data: createNodes(22), | 
 |                             width: '50%', | 
 |                             height: '50%', | 
 |                             force: { | 
 |                                 layoutAnimation: false, | 
 |                                 repulsion: 100, | 
 |                                 edgeLength: 5, | 
 |                                 friction | 
 |                             }, | 
 |                             edges: createEdges(22).map(function (e) { | 
 |                                 return { | 
 |                                     source: e[0], | 
 |                                     target: e[1] | 
 |                                 }; | 
 |                             }) | 
 |                         } | 
 |                     }); | 
 |                 }); | 
 |             }); | 
 |         </script> | 
 |     </body> | 
 | </html> |