|  | 
 | <!-- | 
 | 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> | 
 |     </head> | 
 |     <body> | 
 |         <style> | 
 |             html, body, #main { | 
 |                 width: 100%; | 
 |                 height: 100%; | 
 |             } | 
 |         </style> | 
 |         <div id="main"></div> | 
 |         <script> | 
 |  | 
 |             require([ | 
 |                 'echarts' | 
 |             ], function (echarts) { | 
 |  | 
 |                 var chart = echarts.init(document.getElementById('main'), null, { | 
 |  | 
 |                 }); | 
 |  | 
 |                 var data = []; | 
 |  | 
 |                 for (var i = 0; i < 100; i++) { | 
 |                     var theta = i / 100 * 360; | 
 |                     var r = 5 * (1 + Math.sin(theta / 180 * Math.PI)); | 
 |                     data.push([r, theta]); | 
 |                 } | 
 |  | 
 |                 chart.setOption({ | 
 |                     legend: { | 
 |                         data: ['line'] | 
 |                     }, | 
 |                     polar: {}, | 
 |                     tooltip: { | 
 |                         trigger: 'axis', | 
 |                         axisPointer: { | 
 |                             type: 'cross' | 
 |                         } | 
 |                     }, | 
 |                     angleAxis: { | 
 |                         type: 'value', | 
 |                         startAngle: 0 | 
 |                     }, | 
 |                     radiusAxis: { | 
 |                         min: 10, | 
 |                         max: 20 | 
 |                     }, | 
 |                     series: [{ | 
 |                         coordinateSystem: 'polar', | 
 |                         name: 'line', | 
 |                         type: 'line', | 
 |                         data: data | 
 |                     }] | 
 |                 }); | 
 |             }) | 
 |  | 
 |         </script> | 
 |     </body> | 
 | </html> |