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Posted to dev@echarts.apache.org by GitBox <gi...@apache.org> on 2018/10/30 10:17:20 UTC
[GitHub] aengl opened a new issue #9303: setOption() causes brush controls
to disappear
aengl opened a new issue #9303: setOption() causes brush controls to disappear
URL: https://github.com/apache/incubator-echarts/issues/9303
### One-line summary [问题简述]
If `setOption()` is called more then once, brush controls disappear.
### Version & Environment [版本及环境]
+ ECharts version [ECharts 版本]: 4.2.0-rc.2
+ Browser version [浏览器类型和版本]: Google Chrome 70.0.3538.77 (Official Build) (64-bit)
+ OS Version [操作系统类型和版本]: macOS Mojave 10.14
### Expected behaviour [期望结果]
It should still be possible to use brushes on the graph after updating its data via `setOption()`.
### ECharts option [ECharts配置项]
```javascript
var option = {
brush: {},
series: [
{
data: [[1, 1], [2, 2]],
type: 'scatter',
},
],
xAxis: {},
yAxis: {},
};
```
### Other comments [其他信息]
Here is an html file that replicates the issue:
```
<html>
<head>
<meta charset="utf-8">
<script src="./node_modules/echarts/dist/echarts.min.js"></script>
</head>
<body>
<div id="main" style="width:600px; height:400px;"></div>
<script type="text/javascript">
var myChart = echarts.init(document.getElementById('main'));
var option = {
brush: {},
series: [
{
data: [[1, 1], [2, 2]],
type: 'scatter',
},
],
xAxis: {},
yAxis: {},
};
myChart.setOption(option);
setInterval(() => {
// Bug: this setOption() call makes the brush controls disappear!
myChart.setOption(option);
// If we set "notMerge" to true the controls won't disappear, but now it
// becomes impossible to interact with the chart since the setOption()
// call now cancels all existing brushes
// myChart.setOption(option, true);
}, 1000);
</script>
</body>
</html>
```
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