[GitHub] waitkafuka opened a new issue #8319: 3D绘制surface曲面中的问题

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

waitkafuka opened a new issue #8319: 3D绘制surface曲面中的问题
URL: https://github.com/apache/incubator-echarts/issues/8319
 
 
   3D surface图表中的数据坐标，有什么要求吗？按理说不是应该空间中任意三个不重合的点都可以绘制出一个面吗？为什么在实际中绘制不了呢？
   代码：
   `var myChart = echarts.init(document.getElementsByClassName('chart-container')[0]);
       var data = [
           [-1, -1, 0],
           [0, -1, 0],
           [0.5, -1, 0],
       ];
       var option = {
           grid3D: {
           },
           xAxis3D: {
           },
           yAxis3D: {
           },
           zAxis3D: {
           },
           series: [{
               type: 'surface',
               data:data
           }]
       }
       myChart.setOption(option);`
   
   实际上是想做一个类似这样的图：
   ![image](https://user-images.githubusercontent.com/8555018/39874041-36f73f3c-549f-11e8-9d87-63d7a8946e40.png)
   但是用上面的代码，把数据放进去，渲染不出来，是一片空白：
   ![image](https://user-images.githubusercontent.com/8555018/39874078-54324df8-549f-11e8-9023-d57cd323ade1.png)
   求解！
   是对data有什么要求？

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