[GitHub] [echarts] 100pah commented on issue #14961: VisualMap-piecewise is not applied to Parallel chart, if Parallel has defined ParallelAxis with this data

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

100pah commented on issue #14961:
URL: https://github.com/apache/echarts/issues/14961#issuecomment-842087734


   @Akkarine it's a bug.
   
   To make a work around, we have to probably add another column in data and make `visualMap` component refer to it. 
   For example:
   
   ```js
   
   option = {
       'visualMap': {
           'orient': 'horizontal',
           'top': 0,
           'left': 'center',
           'seriesIndex': [0],
           'type': 'piecewise',
           'categories': ['flat', 'linear'],
   
           // Refer to the new added column in data
           'dimension': 3,
           // 'dimension': 2,
   
   
           'inRange': {
               'color': ['#155872', '#1cd841']
           },
           'outOfRange': {
               'color': '#ddd',
               'opacity': 0.1
           }
       },
       'parallelAxis': [
           {
               'dim': 0,
               'name': 'mae/amplitude',
               'type': 'value'
           },
           {
               'dim': 1,
               'name': 'time',
               'type': 'value'
           },
           // Just comment line below and visualMap will work
           {
               'dim': 2,
               'name': 'test',
               'type': 'category',
               data: ['flat', 'linear']
           }
       ],
       'parallel': {
           'layout': 'vertical'
       },
       'series': [{
           'name': 'parallel',
           'type': 'parallel',
   
   
           // Add a new column the same as dimension 2
           'data': [
               [0.106873855811681, 40.8704931735992, 'flat', 'flat'],
               [0.116787657916912, 34.3274087905884, 'flat', 'flat'],
               [0.113293574574632, 97.4140477180481, 'linear', 'linear'],
               [0.11207702142822, 51.7055630683899, 'flat', 'flat'],
               [0.107281154014564, 40.8551776409149, 'flat', 'flat']
           ]
       }]
   }
   ```
   
   ```
   


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