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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/09/26 10:52:03 UTC
[GitHub] [incubator-echarts] BiptJXu opened a new issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
BiptJXu opened a new issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348
### Version
latest
### Steps to reproduce
First, you need to define an array with repeated data, which is correct when drawn. However, if you modify the data "my_data[0]=140", you will find that the last data is also refreshed once.(CH:首先，你需要定义含有重复数据的数组，这时画出来时正确的。但是，如果你修改其中的数据“my_data[0]=140”,你会发现最后一个数据也刷新了一次)
```javascript
var my_data=[130, 200, 150, 80, 70, 110, 130];
my_data[0]=135; //test code（is a example）
option = {
xAxis: {
type: 'category',
data: my_data
},
yAxis: {
type: 'value'
},
series: [{
data: my_data,
type: 'bar'
}]
};
```
This problem seems to have nothing to do with the version. Today, I also encountered this problem in the Example on the official website.(https://echarts.apache.org/examples/en/editor.html?c=bar-simple)
### What is expected?
When the histogram(bar) has two duplicate data, modifying one will refresh the other at the same time, although I only want to show the change of one data.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个，虽然我只想展示一个数据的变化)
### What is actually happening?
When modifying the first data, I found that the last data will also change, even though I only modified the first one in the array (when the first element is the same as the last one).
CH:修改第一个数据时，发现最后一个数据也会变化，尽管我在数组中只修改了第一个（当第一个元素和最后一个相同时）。
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348#issuecomment-699478790
Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.
In the meanwhile, please make sure that **you have posted enough image to demo your request**. You may also check out the [API](http://echarts.apache.org/api.html) and [chart option](http://echarts.apache.org/option.html) to get the answer.
If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical questions.
If you are interested in the project, you may also subscribe our [mail list](https://echarts.apache.org/en/maillist.html).
Have a nice day! 🍵
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[GitHub] [incubator-echarts] Ovilia commented on issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348#issuecomment-700421872
The animation does seem strange to me. Marked as a bug and hope someone can dive into the code and see why this is happening.
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[GitHub] [incubator-echarts] Ovilia commented on issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348#issuecomment-699576854
Hi @BiptJXu ,
I cannot reproduce your problem with
```js
var my_data=[130, 200, 150, 80, 70, 110, 130];
option = {
xAxis: {
type: 'category',
data: my_data
},
yAxis: {
type: 'value'
},
series: [{
data: my_data,
type: 'bar'
}]
};
setTimeout(function() {
my_data[0] = 1000;
myChart.setOption(option);
}, 1000);
```
Could you make an online demo?
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[GitHub] [incubator-echarts] BiptJXu commented on issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
Posted by GitBox <gi...@apache.org>.
BiptJXu commented on issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348#issuecomment-699578656
Your code has the same meaning as I mean, which is great.
When I run this code on the official website example (https://echarts.apache.org/examples/en/editor.html?c=bar-simple)，
The first step is correct.
Second, when the function "SetTimeout" is executed, the data is changed. When rendering the chart, the last column of data was also refreshed, although I did not change it.
This is only in the rendering process, it is a very short process, you must observe carefully, as I described in the screenshot.
Finally, I got the correct display. There is no problem in the last step, the problem appears in the second part.
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #13348: When the bar has two duplicate data, modifying one will refresh the other at the same time.(CH:当柱状图有两个重复数据时，修改其中一个会同时刷新另外一个))
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #13348:
URL: https://github.com/apache/incubator-echarts/issues/13348#issuecomment-699576869
@BiptJXu Please provide a demo for the issue either with https://codepen.io/Ovilia/pen/dyYWXWM or https://gallery.echartsjs.com/editor.html.
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