[GitHub] [incubator-echarts] mgsod opened a new issue #13694: 雷达图中,tooltip的formatter回调中无法取到当前选中点的数据

Wed, 25 Nov 2020 00:32:15 -0800 


mgsod opened a new issue #13694:
URL: https://github.com/apache/incubator-echarts/issues/13694


   ### Version
   4.9.0
   
   ### Reproduction link
   
[https://echarts.apache.org/examples/zh/editor.html?c=radar](https://echarts.apache.org/examples/zh/editor.html?c=radar)
   
   ### Steps to reproduce
   tooltip中给formatter添加回调函数,打印参数
   
   ### What is expected?
   鼠标悬停到雷达图中的数据点时,可以在formatter回调参数中获取到这个点的相关信息.
   例如当前数据点的索引.
   
   
   ### What is actually happening?
   formatter参数中返回的是整个series的数据 无法确定当前选中的是哪个点
   
   在配置项手册中有提到一个`dimensionIndex`属性
   
   如下图:
   
   
![radar1](https://user-images.githubusercontent.com/18007892/100201392-f762fb80-2f3a-11eb-9449-88bca246cf49.png)
   
   
   但在实际打印`params`时却没有该属性,且也没有任何可以表示当前鼠标悬停的数据点的信息
   
   
![radar](https://user-images.githubusercontent.com/18007892/100201428-02b62700-2f3b-11eb-8e20-59caa4e1e656.png)
   
   
![radar2](https://user-images.githubusercontent.com/18007892/100202038-bae3cf80-2f3b-11eb-837e-6ed877fa396e.png)
   
   
   
   
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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