mirror of https://gitee.com/antv-l7/antv-l7
58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
import { Scene, HeatmapLayer } from '@antv/l7';
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import { Mapbox } from '@antv/l7-maps';
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const scene = new Scene({
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id: 'map',
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map: new Mapbox({
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style: 'dark',
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pitch: 47.49999999999995,
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center: [ 112.50447776627743, 30.830476390931125 ],
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zoom: 3.9879693680088626
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})
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});
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scene.on('loaded', () => {
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fetch(
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'https://gw.alipayobjects.com/os/basement_prod/7359a5e9-3c5e-453f-b207-bc892fb23b84.csv'
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)
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.then(res => res.text())
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.then(data => {
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const layer = new HeatmapLayer({})
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.source(data, {
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parser: {
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type: 'csv',
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x: 'lng',
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y: 'lat'
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},
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transforms: [
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{
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type: 'hexagon',
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size: 200000,
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field: 'v',
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method: 'sum'
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}
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]
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})
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.size('sum', value => {
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return value * 20;
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})
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.shape('hexagonColumn')
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.color(
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'count',
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[
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'#FF4818',
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'#F7B74A',
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'#FFF598',
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'#FF40F3',
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'#9415FF',
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'#421EB2'
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].reverse()
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)
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.style({
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coverage: 0.9,
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angle: 0
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});
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scene.addLayer(layer);
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});
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});
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