[GitHub] shentao1 opened a new issue #8296: 折线图渲染出错（在2个点，使用dataset的情况下）

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

shentao1 opened a new issue #8296: 折线图渲染出错（在2个点，使用dataset的情况下）
URL: https://github.com/apache/incubator-echarts/issues/8296
 
 
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   ### One-line summary [问题简述]
   折现图dataset有2个点的数据，实际只渲染出了一个点
   
   
   
   
   ### Version & Environment [版本及环境]
   + ECharts version [ECharts 版本]:4.2.21
   + Browser version [浏览器类型和版本]: chrome 66.0.3359.139
   + OS Version [操作系统类型和版本]:w7
   
   
   
   
   
   ### Expected behaviour [期望结果]
   
   渲染出2个点，能正常渲染数据
   
   
   
   ### 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 = {
       dataset:{"source":[["2018-05-02 00:00:00","85.79"],["2018-05-06 00:00:00","85.79"]],"dimensions":["date","precision_rate"]},
       xAxis: {
           type: 'time'
       },
       yAxis: {
           type: 'value'
       },
       series: [
           {"itemStyle":{"color":"#4191fa"},"label":{"fontSize":12,"show":true,"color":"#4191fa","offset":[0,0]},"name":"策略准确率","smooth":false,"symbolSize":8,"symbol":"emptyCircle","showSymbol":true,"type":"line","areaStyle":{"show":false,"color":{"linear":0,"color":"#23539b","linearColor":{"start":"rgba(43,128,207,0.2)","end":"rgba(43,128,207,0.8)"}},"opacity":0},"lineStyle":{"color":"#4191fa","type":"solid","width":2},"value":"precision_rate","encode":{"x":"date","y":"precision_rate"}}
       ]
   };
   
   
   ```
   
   
   
   
   ### Other comments [其他信息]
   <!-- For example: Screenshot or Online demo -->
   <!-- [例如，截图或线上实例 (JSFiddle/JSBin/Codepen)] -->
   
   

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