[GitHub] [echarts] elewen edited a comment on issue #15175: markLine 的线条无法设置使其显示在 serise 下方

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

elewen edited a comment on issue #15175:
URL: https://github.com/apache/echarts/issues/15175#issuecomment-864721976


   > @elewen Hi, 可以给个具体的例子吗，我这边试了下没有问题：
   > 
   > **option配置**
   > 
   > ```js
   > option = {
   >   xAxis: {
   >     type: "category",
   >     data: ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"]
   >   },
   >   yAxis: {},
   >   series: [
   >       
   >       {
   >         data: [1820, 932, 901, 934, 1290, 1330, 11320],
   >         type: "line",
   >         markLine: {
   >           data: [{
   >             type: "average",
   >             lineStyle: {
   >                 type: 'solid',
   >                 width: 3,
   >             }
   >           }],
   >           silent: true
   >         }
   >       },
   >     {
   >         z:10,
   >         data: [20, 1932, 1901, 9314, 12190, 13310, 13120],
   >         type: "line",
   >         lineStyle: {
   >           width: 5,  
   >         },
   >         markLine: {
   >           data: [{
   >             type: "average",
   >             lineStyle: {
   >                 type: 'solid',
   >                 width: 3,
   >             }
   >           }],
   >           silent: true
   >         }
   >       }
   >   
   >   ]
   > }
   > ```
   > 
   > **效果：**
   > 绿色series（z为10），显示在蓝色series的markLine上方
   > 
   > ![image](https://user-images.githubusercontent.com/10973821/122497984-ec7bcf80-d020-11eb-9d15-e2760fc500b3.png)
   
   感谢回复，根据你给出的配置经过测试后已解决了我的问题。
   
   我总共有4个 serise，其中一个是markLine所在的 serise，另外三个series 是三条折线图。我又试了好几次，发现其他三个系列的z必须大于等于5、markline所在的 series 不设置z或者设置小于其他几个的z的时候才能成功覆盖；如果单独只给markline所在的  serise设置小于2的z值或者负数z值，而不给其他series指定z值，也无法实现覆盖。不知道这个覆盖逻辑是怎么规定和计算的，没找到相关说明。


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