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Posted to commits@echarts.apache.org by "Feather130 (via GitHub)" <gi...@apache.org> on 2024/01/23 07:46:09 UTC
[I] Pie chart setting moveOverlap, when all data is 0, the label undergoes a positional shift[Bug] [echarts]
Feather130 opened a new issue, #19533:
URL: https://github.com/apache/echarts/issues/19533
### Version
5.4.3
### Link to Minimal Reproduction
https://echarts.apache.org/examples/zh/editor.html?code=PYBwLglsB2AEC8sDeAoWtJgDYFMBcya6GOAHmAQOQBKOAZjgE5OzB2wCGsA6jgEYBnCGByUANEXQCArnxHkqAMQ4BrHLAAiHMB3GTYuOhViUAxjmgjGlIgF8J6MMGBZIIAqmIZGEAOa-mKmEcAFsbdHsiXADoABMPfWAfC2NKADcmSFMOLD0vQ1SC8NhIqSYIHAECAG19Ty9YaA4Q_BMAQVNzAQFYRUZgMIcGsABPEFbKEAq8hsYOWIhpKpMAVgAGAFIZr1jtDhr9LyRYNJzpVrWxRuaJgGUcDkZTAAtYAFFoXwhoURKhhuQJzOFyuTRaVA0EGYpjAlD-h2Ix1OWHOBEu13BJjeIQ4EFy8IB6CRwLRoJuVAAqtAoHA2rEBHDbAiALr_YhYDh8HBYAAyHBGwGkxnqAJCwAyAHkMowOe4TAJnhAjABNYpeUoNDlcrAJQmwBXAADuBDAjHObK8IGAQkgMCC0CEsVEFuIdCSOLAVioSFMtm2DTdlluEAAXq0AIwANgRGq8oRAzw4QmWIoawRCt1GuF1ev1idiRoAQijGARw5cEV4FfMjRK6HQBDgwAANUmV4jVguGgDCLiSVEYvj4HAAFOjx1c1gA6FYASjVDSZAKXxBXzJQtgA3EA
### Steps to Reproduce
```javascript
option = {
title: {
text: 'Referer of a Website',
subtext: 'Fake Data',
left: 'center'
},
tooltip: {
trigger: 'item'
},
legend: {
orient: 'vertical',
left: 'left'
},
series: [
{
name: 'Access From',
type: 'pie',
radius: '50%',
data: [
{ value: 0, name: 'Search Engine' },
{ value: 0, name: 'Direct' },
{ value: 0, name: 'Email' },
{ value: 0, name: 'Union Ads' }
],
labelLayout: {
moveOverlap: 'shiftY'
},
label: {
show: true,
position: 'inside',
formatter: '{c}',
fontSize: 16
},
emphasis: {
itemStyle: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
]
};
```
### Current Behavior
Label offset
### Expected Behavior
Label alignment
### Environment
```markdown
- OS:
- Browser:
- Framework:
```
### Any additional comments?
_No response_
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Re: [I] [Bug] Pie chart setting moveOverlap, when all data is 0, the label undergoes a positional shift [echarts]
Posted by "anentropic (via GitHub)" <gi...@apache.org>.
anentropic commented on issue #19533:
URL: https://github.com/apache/echarts/issues/19533#issuecomment-2700755587
> Add `labelLayout.y:555` to activate _moveOverlap_. Related to [#17937](https://github.com/apache/echarts/issues/17937).
>
> 📌 please close issue if problem solved.
I don't think this suggestion fixes anything. The problem is not that `moveOverlap` was not activated, but instead that it shifted labels which didn't need shifting, spoiling what would have been a symmetrical alignment.
The underlying problem in OP's example seems to be that `moveOverlap: 'shiftY'` shifts labels which share the same `y` value, even if they have different `x` values and so didn't actually overlap before shifting.
that was probably simpler to implement than having to measure to width of the labels to check for actual overlaps I guess?
the label widths are available in `labelLayout` callback function, but only for current label so I don't think it'd be possible to use that for making our own moveOverlap implementation
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Re: [I] [Bug] Pie chart setting moveOverlap, when all data is 0, the label undergoes a positional shift [echarts]
Posted by "helgasoft (via GitHub)" <gi...@apache.org>.
helgasoft commented on issue #19533:
URL: https://github.com/apache/echarts/issues/19533#issuecomment-1908770529
Add ```labelLayout.y:555``` to activate _moveOverlap_. Related to #17937.
📌 please close issue if problem solved.
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