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Posted to commits@echarts.apache.org by GitBox <gi...@apache.org> on 2020/04/02 20:07:39 UTC
[GitHub] [incubator-echarts] 100pah opened a new issue #12374: visualMap
piecewise not work on dimension x/y in some kind of configurations
100pah opened a new issue #12374: visualMap piecewise not work on dimension x/y in some kind of configurations
URL: https://github.com/apache/incubator-echarts/issues/12374
### Version
4.7.0
### Steps to reproduce
This option does not work and throws an error.
```js
option = {
xAxis: { type: 'time' },
yAxis: { type: 'value' },
visualMap: {
type: 'piecewise',
show: false,
dimension: 0,
pieces: [{
lte: new Date('2020-04-01T01:00'),
color: 'blue'
}, {
gt: new Date('2020-04-01T01:00'),
color: 'red'
}]
},
tooltip:{ trigger: "axis" },
series: [{
type: 'line',
data: [
['2020-04-01T00:00', 200],
['2020-04-01T01:00', 400],
['2020-04-01T02:00', 650],
['2020-04-01T03:00', 500]
]
}]
};
```
This option works (which is the expected result):
```js
option = {
xAxis: { type: 'time' },
yAxis: { type: 'value' },
visualMap: {
type: 'piecewise',
show: false,
dimension: 0,
pieces: [{
gt: new Date('2020-04-01T00:00'),
lte: new Date('2020-04-01T01:00'),
color: 'blue'
}, {
gt: new Date('2020-04-01T01:00'),
lte: new Date('2020-04-01T04:00'),
color: 'red'
}]
},
tooltip:{ trigger: "axis" },
series: [{
type: 'line',
data: [
['2020-04-01T00:00', 200],
['2020-04-01T01:00', 400],
['2020-04-01T02:00', 650],
['2020-04-01T03:00', 500]
]
}]
};
```
But users are not easy to know they should config `visualMap` like that.
### What is expected?
Make the previous option work.
### What is actually happening?
It not works and throws an error.
### Related issue
#12366
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[GitHub] [incubator-echarts] echarts-bot[bot] commented on issue #12374:
visualMap piecewise not work on dimension x/y in some kind of configurations
Posted by GitBox <gi...@apache.org>.
echarts-bot[bot] commented on issue #12374: visualMap piecewise not work on dimension x/y in some kind of configurations
URL: https://github.com/apache/incubator-echarts/issues/12374#issuecomment-608076250
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.
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Have a nice day! 🍵
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[GitHub] [echarts] drumslave-git commented on issue #12374: visualMap piecewise not work on dimension x/y in some kind of configurations
Posted by GitBox <gi...@apache.org>.
drumslave-git commented on issue #12374:
URL: https://github.com/apache/echarts/issues/12374#issuecomment-905502628
Still actual for me in echarts 4.9.0. Dont know what happened with #11847, but based on that I did my own dirty hack fix
```
import VisualMapModel from 'echarts/lib/component/visualMap/VisualMapModel';
import OriginPiecewiseModel from 'echarts/src/component/visualMap/PiecewiseModel';
import * as zrUtil from 'zrender/src/core/util';
const PiecewiseModel = OriginPiecewiseModel.prototype;
const originGetVisualMeta = OriginPiecewiseModel.prototype.getVisualMeta;
PiecewiseModel.getVisualMeta = function (getColorVisual){
const {stops, outerColors} = originGetVisualMeta.call(this, getColorVisual);
// stop needs to have something
if (!stops.length) {
// get value axis
const visualMapModel = this;
const pieceList = this._pieceList.slice();
const cartesian = visualMapModel.ecModel.getComponent('series').coordinateSystem;
const baseAxis = cartesian.getBaseAxis();
const valueAxis = cartesian.getOtherAxis(baseAxis);
const extent = valueAxis.scale.getExtent();
zrUtil.each(pieceList, function (piece) {
for (let i = 0; i < piece.interval.length; i++) {
// Because CanvasRenderingContext2D doesn't support Infinity
// So set stop value to axis end.
let value = piece.interval[i] === -Infinity
? extent[0]
: piece.interval[i] === Infinity
? extent[1]
: piece.interval[i];
stops.push({
value: value,
color: piece.visual.color
});
}
});
}
return {stops, outerColors};
};
VisualMapModel.extend(PiecewiseModel);
```
Use
`import './PiecewiseModel';`
after
`import echarts from 'echarts';`
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[GitHub] [incubator-echarts] susiwen8 commented on issue #12374: visualMap piecewise not work on dimension x/y in some kind of configurations
Posted by GitBox <gi...@apache.org>.
susiwen8 commented on issue #12374:
URL: https://github.com/apache/incubator-echarts/issues/12374#issuecomment-652964933
Relate to #5801,
PR #11847 might fix this, but need some modification
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