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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/11/23 23:14:35 UTC
[GitHub] [incubator-echarts] dirslashls opened a new issue #13668: incorrect continous color mapping on maps if min and max is same
dirslashls opened a new issue #13668:
URL: https://github.com/apache/incubator-echarts/issues/13668
### Version
5.0.0
### Steps to reproduce
Navigate to https://echarts.apache.org/examples/en/editor.html?c=map-usa
Change the visualMap and data options to the following and leave the rest as is.
1) visualMap options
```
visualMap: {
left: 'right',
min: 4822023,
max: 4822023,
inRange: {
color: ['#313695', '#4575b4', '#74add1', '#abd9e9', '#e0f3f8', '#ffffbf', '#fee090', '#fdae61', '#f46d43', '#d73027', '#a50026']
},
text: ['High', 'Low'], // 文本，默认为数值文本
calculable: true
},
```
2) series data options
```
data:[
{name: 'Alabama', value: 4822023},
]
```
### What is expected?
Expect to see only the single state with data to have the color.
### What is actually happening?
Entire map has the same color including the state with the data.
---
If I set the min and max to be different values, the coloring works fine. However, in my case the min/max are automatically calculated based on the data and if there is data for a single state, this happens.
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[GitHub] [incubator-echarts] pissang commented on issue #13668: incorrect continous color mapping on maps if min and max is same
Posted by GitBox <gi...@apache.org>.
pissang commented on issue #13668:
URL: https://github.com/apache/incubator-echarts/issues/13668#issuecomment-732748671
I think the main issue here is only `Alabama` should be expected to have color. But instead, all regions have colors now when min, max is same.
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #13668: incorrect continous color mapping on maps if min and max is same
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #13668:
URL: https://github.com/apache/incubator-echarts/issues/13668#issuecomment-732480482
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 question.
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Have a nice day! 🍵
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[GitHub] [incubator-echarts] Ovilia commented on issue #13668: incorrect continous color mapping on maps if min and max is same
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #13668:
URL: https://github.com/apache/incubator-echarts/issues/13668#issuecomment-732639191
I think in this case, the last color should be used instead of the center one, similar to [the case of degenerated CSS gradient](https://www.w3.org/TR/css-images-3/#degenerate-radials).
> This will make the gradient look like a solid-color image equal to the color of the last color-stop, ...
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[GitHub] [incubator-echarts] Ovilia commented on issue #13668: incorrect continous color mapping on maps if min and max is same
Posted by GitBox <gi...@apache.org>.
Ovilia commented on issue #13668:
URL: https://github.com/apache/incubator-echarts/issues/13668#issuecomment-733418132
@pissang is right. I took the demo as piecewise visualMap by mistake.
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