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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/11/05 10:07:24 UTC
[GitHub] [incubator-echarts] dirslashls opened a new issue #13549: Brushlink across datasets doesn't work correctly if there are null values
dirslashls opened a new issue #13549:
URL: https://github.com/apache/incubator-echarts/issues/13549
### Version
5.0.0-beta.2
### Steps to reproduce
Use the following where two bar series with two different datasets are setup. They have the same set of categories. However, the value for Monday on the top series is null which results in incorrect brush linking.
```
option = {
brush: {
brushLink: [0,1],
xAxisIndex: [0,1]
},
grid: [
{ bottom: '50%' },
{ top: '50%' }],
xAxis: [{
type: 'category',
gridIndex: 0,
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},{
type: 'category',
gridIndex: 1,
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
}],
yAxis: [{
type: 'value',
gridIndex: 0
},{
type: 'value',
gridIndex: 1
}],
dataset: [
{
source: [
['Mon',null],
['Tue',100],
['Wed',0],
['Thu',55]
]
},{
source: [
['Mon',10],
['Tue',0],
['Wed',20],
['Thu',25],
]
}],
series: [{
name: "Count",
datasetIndex: 0,
encode: { x: 0, y: 1 },
type: 'bar',
xAxisIndex: 0,
yAxisIndex: 0,
showBackground: true,
backgroundStyle: {
color: 'rgba(220, 220, 220, 0.8)'
}
},{
name: "Count",
datasetIndex: 1,
encode: { x: 0, y: 1 },
type: 'bar',
xAxisIndex: 1,
yAxisIndex: 1,
showBackground: true,
backgroundStyle: {
color: 'rgba(220, 220, 220, 0.8)'
}
}]
};
```
### What is expected?
Brush link should link the same categories.
### What is actually happening?
It is offset by one (because of the null value).
---
I briefly traced it to getRawIndex which uses some sort of indexing if present causing this problem.
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #13549: Brushlink across datasets doesn't work correctly if there are null values
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #13549:
URL: https://github.com/apache/incubator-echarts/issues/13549#issuecomment-722277082
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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.
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