[GitHub] mexvod opened a new issue #9141: Negative line calculate stack

Thu, 27 Sep 2018 03:10:19 -0700 

mexvod opened a new issue #9141: Negative line calculate stack 
URL: https://github.com/apache/incubator-echarts/issues/9141
 
 
   option = {
   
       grid: {
           left: '3%',
           right: '4%',
           bottom: '3%',
           containLabel: true
       },
       xAxis : [
           {
               type : 'category',
               boundaryGap : false,
               data : [1,2,3,4,5]
           }
       ],
       yAxis : [
           {
               type : 'value'
           }
       ],
       series : [
           {
               type:'line',
               stack: '1',
               data:[110,120, 120, 101,115]
           },
           {
               type:'line',
               stack: '1',
               label: {
                   normal: {
                       show: true,
                       position: 'top'
                   }
               },
               areaStyle: {normal: {}},
               data:[134,200, -20, 181,143]
           }
       ]
   };
   
   
![default](https://user-images.githubusercontent.com/10468397/46138836-a5889300-c255-11e8-9809-d40d3c8c196c.png)
   Negative areaStyle badly !!
   Next:
   option = {
   
       grid: {
           left: '3%',
           right: '4%',
           bottom: '3%',
           containLabel: true
       },
       xAxis : [
           {
               type : 'category',
               boundaryGap : false,
               data : [1,2,3,4,5]
           }
       ],
       yAxis : [
           {
               type : 'value'
           }
       ],
       series : [
           {
               type:'line',
              
               data:[110,120, 120, 101,115]
           },
           {
               type:'line',
              
               label: {
                   normal: {
                       show: true,
                       position: 'top'
                   }
               },
               data:[134,200, 80, 181,143]
           }
       ]
   };
   
![default](https://user-images.githubusercontent.com/10468397/46139045-35c6d800-c256-11e8-8755-7cc86c82cddf.png)
   How to make:
   
![default](https://user-images.githubusercontent.com/10468397/46139171-7de5fa80-c256-11e8-8924-17c3f449be9b.png)
   how to paint over these areas?

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