mirror of https://gitee.com/antv-l7/antv-l7
93 lines
2.1 KiB
TypeScript
93 lines
2.1 KiB
TypeScript
import { Scene, HeatmapLayer } from '@antv/l7';
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import { GaodeMap, GaodeMapV2 } from '@antv/l7-maps';
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import * as React from 'react';
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export default class Amap2demo_heatmap_hexagon extends React.Component {
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// @ts-ignore
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private scene: Scene;
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public componentWillUnmount() {
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this.scene.destroy();
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}
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public async componentDidMount() {
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const scene = new Scene({
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id: 'map',
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map: new GaodeMap({
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// pitch: 58.5,
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pitch: 43,
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center: [120.13383079335335, 29.651873105004427],
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zoom: 7.068989519212174,
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viewMode: '3D',
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}),
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});
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this.scene = scene;
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scene.on('loaded', () => {
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fetch(
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'https://gw.alipayobjects.com/os/basement_prod/a1a8158d-6fe3-424b-8e50-694ccf61c4d7.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: 2500,
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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', (sum) => {
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return sum * 20000;
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})
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.shape('hexagonColumn')
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.style({
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coverage: 0.8,
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angle: 0,
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opacity: 1.0,
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})
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.color('sum', [
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'#094D4A',
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'#146968',
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'#1D7F7E',
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'#289899',
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'#34B6B7',
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'#4AC5AF',
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'#5FD3A6',
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'#7BE39E',
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'#A1EDB8',
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'#C3F9CC',
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'#DEFAC0',
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'#ECFFB1',
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]);
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scene.addLayer(layer);
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});
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});
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}
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public render() {
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return (
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<>
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<div
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id="map"
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style={{
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position: 'absolute',
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top: 0,
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left: 0,
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right: 0,
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bottom: 0,
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}}
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/>
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</>
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);
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}
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}
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