[GitHub] [echarts] isCopyman opened a new issue, #17730: [Feature] Set multiple axisPointers in X-axis or Y-axis

[GitBox]

isCopyman opened a new issue, #17730:
URL: https://github.com/apache/echarts/issues/17730

   ### What problem does this feature solve?
   
   Do the measuring like oscilloscope cursor.
   
   
   ### What does the proposed API look like?
   
   normal xAxis only one axisPointer
   
![image](https://user-images.githubusercontent.com/25970108/194366504-65eca90a-000c-4414-8fe5-088962ce9667.png)
   
   ``` js
   xAxis: {
       type: 'value',
       //need multiple axisPointers
       axisPointer: {
         snap: false,
         lineStyle: {
           color: '#7581BD',
           width: 2
         },
         label: {
           show: true,
           // formatter: function (params) {
           //   return echarts.format.formatTime('yyyy-MM-dd', params.value);
           // },
           backgroundColor: '#7581BD'
         },
         handle: {
           show: true,
           color: '#7581BD'
         }
       },
     }
   ```
   need this to set multiple ones
   ```js
   xAxis: {
       type: 'value',
       //need multiple axisPointers
       axisPointer: [axisPointer1, axisPointer2, ... ]
     }
   ```


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