[GitHub] [incubator-echarts] chudur-budur opened a new issue #13336: Parallel plot, axes doesn't change if the data and dimensions are modified

[GitBox]

chudur-budur opened a new issue #13336:
URL: https://github.com/apache/incubator-echarts/issues/13336


   ### Version
   4.9.0
   
   ### Reproduction link
   
[https://jsfiddle.net/ramgorur/cfor274e/latest](https://jsfiddle.net/ramgorur/cfor274e/latest)
   
   ### Steps to reproduce
   Just follow the [`JSFiddle 
link`](https://jsfiddle.net/ramgorur/cfor274e/latest) and run the code. No 
setup necessary.
   
   ### What is expected?
   If the `parallelAxis` and `series` are modified in `option` on the fly, the 
axes and the data should change accordingly.
   
   ### What is actually happening?
   Let's say I have a parallel plot of 4-dimensional data. The `option` is like 
this:
   ```javascript
   var option = { parallelAxis: null, series: null };
   
   var myChart = echarts.init(document.getElementById("plot"));
   
   option.parallelAxis = [
           { dim: 0, name: "f1" }, 
           { dim: 1, name: "f2" }, 
           { dim: 2, name: "f3" }, 
           { dim: 3, name: "f4" }
       ];
   option.series = [{
           data: data_4d,
           lineStyle: { color: "red" },
           name: "data_4d",
           type: "parallel"
       }];
   
   myChart.setOption(option);
   ```
   <img 
src="https://i.postimg.cc/hGpQ05dk/Screen-Shot-2020-09-23-at-9-24-38-PM.png"; 
width="400px"/>
   
   Now, if I change the option with different data and axes, like this:
   ```javascript
   var opt = myChart.getOption();
   opt.parallelAxes = [
       { dim: 0, name: "f1" }, 
       { dim: 1, name: "f2"}, 
       { dim: 2, name: "f3"}
   ];
   opt.series = [{
       data: data_3d,
       lineStyle: { color: "red" },
       name: "data_3d",
       type: "parallel"
   }];
   myChart.setOption(opt);
   ```
   The last axis still stays in the plot. 
   
   <img 
src="https://i.postimg.cc/tgXVWjYd/Screen-Shot-2020-09-23-at-9-24-57-PM.png"; 
width="400px"/>
   
   **Please note:** In the case of parallel and scatter plots, there are many 
options that can't be modified on the fly. 
   ---
   Not sure if this is a bug or I'm not doing it in a correct way
   
   <!-- This issue is generated by echarts-issue-helper. DO NOT REMOVE -->
   <!-- This issue is in English. DO NOT REMOVE -->


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