[GitHub] amittonge opened a new issue #8796: Consider mark line while calculating axis range

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

amittonge opened a new issue #8796: Consider mark line while calculating axis range
URL: https://github.com/apache/incubator-echarts/issues/8796
 
 
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   ### One-line summary [问题简述]
   Currently axis scale is calculated on the basic of series data. Please consider following case where mark line is not visible if its value greater than axis scale.
   There are number of use cases where mark line value is greater than series data max.
   
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:
   + Browser version [浏览器类型和版本]:
   + OS Version [操作系统类型和版本]:
   
   
   
   
   
   ### Expected behaviour [期望结果]
   
   If markline value is grater than series data max then axis scale should extend to mark line value so that it get shown on chart. We can do this by setting axis max but then setiing axis  'scale' to true does not take effect. 
   
   
   
   ### ECharts option [ECharts配置项]
   <!-- Copy and paste your 'echarts option' here. -->
   <!-- [下方贴你的option，注意不要删掉下方 ```javascript 和 尾部的 ``` 字样。最好是我们能够直接运行的 option。如何得到能运行的 option 参见上方的 guidelines for contributing] -->
   ```javascript
   option = {
       color: ['#3398DB'],
       tooltip : {
           trigger: 'axis',
           axisPointer : {            // 坐标轴指示器，坐标轴触发有效
               type : 'shadow'        // 默认为直线，可选为：'line' | 'shadow'
           }
       },
       grid: {
           left: '3%',
           right: '4%',
           bottom: '3%',
           containLabel: true
       },
       xAxis : [
           {
               type : 'category',
               data : ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
               axisTick: {
                   alignWithLabel: true
               }
           }
       ],
       yAxis : [
           {
               type : 'value'
           }
       ],
       series : [
           {
               name:'直接访问',
               type:'bar',
               barWidth: '60%',
               data:[10, 52, 200, 334, 390, 330, 220],
               
               markLine: {
                   data: [{
                       name:"Targeted Profit",
                       yAxis:450
                   }]
               }
           }
       ]
   };
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   ![markline](https://user-images.githubusercontent.com/11725750/43517485-84823016-95a6-11e8-9cce-0fd618a5e7c6.png)
   
   

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