[GitHub] [echarts] edika99 opened a new issue #16505: Normalize dat on dataZoom not show correct chart

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

edika99 opened a new issue #16505:
URL: https://github.com/apache/echarts/issues/16505


   ### Version
   
   5.3.0
   
   ### Link to Minimal Reproduction
   
   https://jsfiddle.net/edika/L467cm0f/27/
   
   ### Steps to Reproduce
   
   I'm trying to show a comparison chart between two prices series.
   The comparison should start always from 100. 
   When I zoom the chart the comparison should be recalculated to always show the comparison starting from 100 for the selected period of time.
   Please check at the jsfiddle, and try to resize the chart to see the behaviour. Looks also at how the last date available is changed unexpectly.
   
   
   ### Current Behavior
   
   Data is recalculated correctly, but the resized timeline does not show correct data. The chart does not start from 100 even if the recalculated data start from 100.
   
   ### Expected Behavior
   
   The comparison should always start from 100, from the start date of the selected period of time 
   
   
   
   ### Environment
   
   ```markdown
   - OS:
   - Browser:
   - Framework:
   ```
   
   
   ### Any additional comments?
   
   _No response_


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