[GitHub] [incubator-echarts] Gamehu opened a new issue #10684: 柱状图点击以后实现，shadow的效果

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

Gamehu opened a new issue #10684: 柱状图点击以后实现，shadow的效果
URL: https://github.com/apache/incubator-echarts/issues/10684
 
 
   ### What problem does this feature solve?
   当柱状体值特别小时，点击之后，看不到点击效果，想通过点击后在所在栅格加上类似shadow的效果，告诉用户其实是选中了该柱状图
   
   ### What does the proposed API look like?
   
                   myChart.dispatchAction({
   type: 'showShadow',
   seriesIndex:0
   })
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   

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