[GitHub] [incubator-echarts] POILover commented on issue #11517: markLine的data中坐标轴数值太小时的bug

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

POILover commented on issue #11517: markLine的data中坐标轴数值太小时的bug
URL: https://github.com/apache/incubator-echarts/issues/11517#issuecomment-547819683
 
 
   ```js
   option = {
       xAxis:  {
           type: 'category',
           boundaryGap: false,
           data: ['周一','周二','周三','周四','周五','周六','周日']
       },
       yAxis: {
           type: 'value',
       },
       series: [
           {
               type:'line',
               data:[.01, -.02,.02, .05, .03, .002, 0],
               markLine: {
                   data: [
                         { yAxis:0.005 }
                   ]
               }
           }
       ]
   };
   
   ```
   When testing this option, we can see the mark-line is shown on the 0.01 of yAxis, not on 0.005, which should have been there.
   With changing the param of markLine.data.yAxis, like 0.0005, 0.001, 0.006, 0.01, 0.02, we can find echarts just cut the param with rounding at third decimal place. 
   Since the yAxis is able to show such precision, why mark-line doesn't deserve this ability?

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