[GitHub] drorhilman opened a new issue #9593: How can I fix the position of elements when datazoom ?

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

drorhilman opened a new issue #9593: How can I fix the position of elements when datazoom ?
URL: https://github.com/apache/incubator-echarts/issues/9593
 
 
   I have some elements on the scatter plot which I would like to be fixed in the same visual position when the data zoom active. 
   How can I translate a fixed position on the x==0 when data-zooming ?
   or in other words: how can I know where is the new relative position of the data-point when zooming ?
   
   currently, I try to do it like that, but it doesn't work...
   
   ```
   INIT_PIXELS = chart.convertToPixel({'seriesIndex': 0}, (0,0))
   
   function zoomEvent(params){
       new_pox_x = chart.convertFromPixel({'seriesIndex': 0}, INIT_PIXELS)[0]
      // then I update the series ... to contain this new_pos_x
      // but it does not work right.
   }
   ```

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