[GitHub] [echarts] dignfei opened a new issue #14583: 折线图使用visualMap时颜色错乱，颜色错位

[GitBox]

dignfei opened a new issue #14583:
URL: https://github.com/apache/echarts/issues/14583


   ### Version
   5.0.2
   
   ### Steps to reproduce
   可以在这里直接看到能重现的代码和效果：
   https://www.makeapie.com/editor.html?c=xXlsvJWYJK&v=1
   
   ### What is expected?
   我使用visualMap的pieces，希望折线图分段显示红色和绿色，
   
   ### What is actually happening?
   在折现拐弯的地方，颜色会错乱，红色的折线两端会有一部分绿色，绿的折线两端会有一部分红色
   
   ---
   在chrome浏览器访问时会发生这种情况，如果chrome中设置关闭硬件加速，则可以正常显示。
   可以在这里直接看到效果：
   https://www.makeapie.com/editor.html?c=xXlsvJWYJK&v=1
   从v4到v5所有版本都有这个问题 
   
![image](https://user-images.githubusercontent.com/25482706/113403326-05d58e00-93d9-11eb-90e3-8fcbf4d668d0.png)
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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