stanzah opened a new issue #14559:
URL: https://github.com/apache/echarts/issues/14559
### Version
5.0.0
### Steps to reproduce
```html
<body>
<div id="test" style="width: 748px; height: 621px"></div>
</body>
<script
type="text/javascript"
src="http://api.map.baidu.com/api?v=2.0&ak=ak";
></script>
<script src="./echarts.min.js"></script>
<script src="./bmap.js"></script>
```
```javascript
$.get(
'https://geo.datav.aliyun.com/areas_v2/bound/530000_full.json',
function (geoJson) {
echarts.registerMap('云南', geoJson)
var chart = echarts.init(document.getElementById('test'))
var option
function renderItem(params, api) {
var coords = [
[102.61552888, 25.28846059],
[102.60288074, 25.08442824],
[102.88056495, 25.07081382],
[102.87654055, 25.28427879],
]
var points = []
for (var i = 0; i < coords.length; i ) {
points.push(api.coord(coords[i]))
}
var color = api.visual('color')
return {
type: 'polygon',
shape: {
points: echarts.graphic.clipPointsByRect(points, {
x: params.coordSys.x,
y: params.coordSys.y,
width: params.coordSys.width,
height: params.coordSys.height,
}),
},
style: api.style({
fill: color,
stroke: echarts.color.lift(color),
}),
}
}
option = {
bmap: {
center: [102.87654055, 25.28427879],
zoom: 10,
},
geo: {
show: true,
map: '云南',
aspectScale: 1,
scaleLimit: { min: 1.1, max: 20 },
itemStyle: {
normal: {
areaColor: 'rgba(0,144,144,1)',
borderColor: 'rgba(1,222,222,.5)',
borderWidth: 1.5,
shadowColor: '#00ffff',
shadowOffsetX: 0,
shadowOffsetY: 0,
shadowBlur: 1,
},
emphasis: {
areaColor: 'rgba(0,104,104,1)',
},
},
label: {
show: true,
color: '#fff',
emphasis: {
color: '#fff',
},
},
zoom: 1.2,
left: 'center',
roam: 'scale',
},
series: [
{
type: 'custom',
coordinateSystem: 'geo',
renderItem: renderItem,
itemStyle: {
opacity: 0.5,
},
data: [0],
z: 10,
},
],
}
option && chart.setOption(option)
}
)
```
### What is expected?
custom polygon 可以在 geo 里渲染出来。
### What is actually happening?
如上代码块所设置，直接设置 `coordinateSystem: 'geo'`，无法找到 polygon。如果设置`coordinateSystem:
'bmap'`，可以在百度地图里找到 polygon。
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