[GitHub] 100pah edited a comment on issue #9171: fix #8009 & #5969, symbol symbolSize and opacity setting for category itemStyle in graph

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

100pah edited a comment on issue #9171: fix #8009 & #5969, symbol symbolSize and opacity setting for category itemStyle in graph
URL: https://github.com/apache/incubator-echarts/pull/9171#issuecomment-434807414
 
 
   > little confused about the relationship between model and data
   
   `data` is an instance of `echarts/src/data/List`, `model` is an instance of `echarts/src/model/Model`, or, specifically, `echarts/src/model/Series` in this case.
   
   
   
   Both of them contains user settings in echarts option, for example:
   ```js
   let option = {
       series: {
           name: 'asdf',
           type: 'line',
           itemStyle: { ... },
           data: [ ... ]
       }
   };
   ```
   The data properties is saved into a `data` instance, and the rest of the definitions of series is saved into a series model. And data is a propertied mounted on a series (model).
   ```js
   let data = model.getData();
   ```
   

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