[GitHub] [echarts] pissang edited a comment on issue #15992: Polar heat map is not smooth enough, with shadows in the graph

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

pissang edited a comment on issue #15992:
URL: https://github.com/apache/echarts/issues/15992#issuecomment-962830195


   @zcg8633 You can add a small bias to avoid this kind of precision issue.
   ```js
   const bias = 1e-3;
   ...
   startAngle: -(coord[3] + size[1] / 2) - bias
   endAngle:  -(coord[3] - size[1] / 2) + bias
   ```


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