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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/08/13 02:48:28 UTC

[GitHub] Ovilia commented on issue #8856: 折线图性能问题

Ovilia commented on issue #8856: 折线图性能问题
URL: https://github.com/apache/incubator-echarts/issues/8856#issuecomment-412395489
 
 
   sampling 的原理是把原先一个像素点内的多个点用一个点表示，可以指定用什么算法生成这个点，比如是平均数还是最大最小值等，详见 http://echarts.baidu.com/option.html#series-line.sampling
   不用 sampling 的原因在我看来可能是怕 tooltip 的时候显示不出其中的某些点？但是其实本来一个像素内有多个点，也很可能选不中那个点吧？

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