[GitHub] fanyoufu opened a new issue #8666: 自定义多边形无法显示

[GitBox <gi...@apache.org>]

fanyoufu opened a new issue #8666: 自定义多边形无法显示
URL: https://github.com/apache/incubator-echarts/issues/8666
 
 
   <!--
   为了方便我们能够复现和修复 bug，请遵从下面的规范描述您的问题。
   -->
   
   
   ### One-line summary [问题简述]
   
   期望画出一个自定义的多边形
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:
   + Browser version [浏览器类型和版本]:
   + OS Version [操作系统类型和版本]:
   
   
   
   
   
   ### Expected behaviour [期望结果]
   
   
   
   
   
   ### ECharts option [ECharts配置项]
   <!-- Copy and paste your 'echarts option' here. -->
   <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
   ```javascript
   const renderItem = function (params, api) {
       var coords = [
           [25,25],
           [10,10],
           [40,10]
       ];
       var points = coords.map(item=>api.coord(item));
       console.info(points)
       return {
           // 表示这个图形元素是矩形。还可以是 'circle', 'sector', 'polygon' 等等。
           type:'polygon',
           shape:echarts.graphic.clipRectByRect(points, {
               x: params.coordSys.x,
               y: params.coordSys.y,
               width: params.coordSys.width,
               height: params.coordSys.height
           })
       }
   }
   option = {
       xAxis: {},
       yAxis: {},
       series: [{
           type: 'custom',
           renderItem,
           data: [
               [50,50,"abc"], // 这是第一个 dataItem
           ]
       }]
   }
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   

----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
 
For queries about this service, please contact Infrastructure at:
users@infra.apache.org


With regards,
Apache Git Services

---------------------------------------------------------------------
To unsubscribe, e-mail: dev-unsubscribe@echarts.apache.org
For additional commands, e-mail: dev-help@echarts.apache.org