mirror of https://gitee.com/antv-l7/antv-l7
51 lines
1.1 KiB
JavaScript
51 lines
1.1 KiB
JavaScript
import { HeatmapLayer } from '@l7/layers';
|
|
import { Scene } from '@l7/scene';
|
|
const scene = new Scene({
|
|
id: 'map',
|
|
style: 'light',
|
|
pitch: 0,
|
|
pitch: 0,
|
|
center: [110.097892, 33.853662],
|
|
zoom: 4.056,
|
|
type: 'amap',
|
|
});
|
|
|
|
fetch(
|
|
'https://gw.alipayobjects.com/os/basement_prod/7359a5e9-3c5e-453f-b207-bc892fb23b84.csv',
|
|
)
|
|
.then((res) => res.text())
|
|
.then((data) => {
|
|
const layer = new HeatmapLayer({})
|
|
.source(data, {
|
|
parser: {
|
|
type: 'csv',
|
|
x: 'lng',
|
|
y: 'lat'
|
|
},
|
|
transforms: [
|
|
{
|
|
type: 'grid',
|
|
size: 20000,
|
|
field: 'v',
|
|
method: 'sum'
|
|
}
|
|
]
|
|
})
|
|
.size('count', (value) => {
|
|
return value * 0;
|
|
})
|
|
.shape('circle')
|
|
.style({
|
|
coverage: 0.9,
|
|
angle: 0,
|
|
})
|
|
.color('count', [
|
|
'#8C1EB2', '#8C1EB2', '#DA05AA',
|
|
'#F0051A', '#FF2A3C', '#FF4818',
|
|
'#FF4818', '#FF8B18',
|
|
'#F77B00', '#ED9909',
|
|
'#ECC357', '#EDE59C'
|
|
].reverse())
|
|
scene.addLayer(layer);
|
|
});
|