[GitHub] [incubator-echarts] emryx26 commented on issue #11493: 树图用setOption更新数据时，发现图有残留BUG

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

emryx26 commented on issue #11493:
URL: https://github.com/apache/incubator-echarts/issues/11493#issuecomment-650072744


   我也出现残留问题，提供两组数据，先render第一组，再render第二组的时候会出现线条残留。
   
   1.
   ```json
   {"host":"8","name":"8","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"2","name":"2","value":2,"itemStyle":{"borderColor":"grey"}},{"host":"3","name":"3","value":2,"itemStyle":{"borderColor":"grey"}},{"host":"5","name":"5","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"nas","name":"db_backup","value":1,"itemStyle":{"borderColor":"#eb4034"}}]},{"host":"6","name":"6","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"nas","name":"job3","value":1,"itemStyle":{"borderColor":"#eb4034"},"children":[{"host":"nas","name":"job2","value":0,"itemStyle":{"borderColor":"#49eb34"},"children":[{"host":"nas","name":"job1","value":0,"itemStyle":{"borderColor":"#49eb34"}},{"host":"nas","name":"job1","value":0,"itemStyle":{"borderColor":"#49eb34"}}]},{"host":"nas","name":"job2","value":0,"itemStyle":{"borderColor":"#49eb34"}}]},{"host":"nas","name":"job3","value":1,"itemStyle":{"borderColor":"#eb4034"}}]},{"host":"7","name":"7","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"6","name":"6","value":2,"itemStyle":{"borderColor":"grey"}}]}]}
   ```
   
   2.
   ```json
   {"host":"7","name":"7","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"6","name":"6","value":2,"itemStyle":{"borderColor":"grey"},"children":[{"host":"nas","name":"job3","value":1,"itemStyle":{"borderColor":"#eb4034"},"children":[{"host":"nas","name":"job2","value":0,"itemStyle":{"borderColor":"#49eb34"},"children":[{"host":"nas","name":"job1","value":0,"itemStyle":{"borderColor":"#49eb34"}}]}]}]}]}
   ```


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