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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2019/11/14 05:31:01 UTC

[GitHub] [incubator-echarts] alex2wong commented on issue #11592: 显示折线上任意一点数据(而不是整个坐标系)

alex2wong commented on issue #11592: 显示折线上任意一点数据(而不是整个坐标系)
URL: https://github.com/apache/incubator-echarts/issues/11592#issuecomment-553731530
 
 
   > 你是想知道根据 smooth 插值后的 y？这个不支持的。
   > 根据自己的 data 数组从 x 计算出 y，然后再传到 convert
   
   我同意Ovilia 的说法，这个功能不应该由Echart 去承担，可能用的人并不多，反倒增加了复杂度。你可以在hover事件的handler 里面拿到 x，自己根据data 里面的数据，构建线性函数，去推算当时的y，然后标注到图表上。
   
   这个特定的需求可以自己实现下

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