mirror of https://gitee.com/antv-l7/antv-l7
97 lines
2.5 KiB
TypeScript
97 lines
2.5 KiB
TypeScript
import { Scene, HeatmapLayer } from '@antv/l7';
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import { GaodeMap, Mapbox, Map } from '@antv/l7-maps';
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import * as React from 'react';
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export default class Amap2demo_heatmap 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 Map({
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// pitch: 0,
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// center: [127.5671666579043, 7.445038892195569],
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// zoom: 2.632456779444394,
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style: 'dark',
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pitch: 0,
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center: [120, 30],
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zoom: 4,
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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/d3564b06-670f-46ea-8edb-842f7010a7c6.json',
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// )
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// .then((res) => res.json())
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// .then((data) => {
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// const layer = new HeatmapLayer({})
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// .source(data)
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// .shape('heatmap')
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// .size('mag', [0, 1.0]) // weight映射通道
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// .style({
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// intensity: 2,
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// radius: 20,
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// opacity: 1.0,
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// rampColors: {
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// colors: [
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// '#FF4818',
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// '#F7B74A',
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// '#FFF598',
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// '#91EABC',
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// '#2EA9A1',
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// '#206C7C',
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// ].reverse(),
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// positions: [0, 0.2, 0.4, 0.6, 0.8, 1.0],
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// },
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// });
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// scene.addLayer(layer);
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// });
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fetch(
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'https://gw.alipayobjects.com/os/bmw-prod/95d5a2c3-f8fa-47f3-8664-ecb8459565ee.json',
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)
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.then((res) => res.json())
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.then((data) => {
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const layer = new HeatmapLayer({})
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.source(data)
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.shape('heatmap')
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.size('weight', [0, 1.0]) // weight映射通道
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.style({
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intensity: 3,
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radius: 24,
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opacity: 1.0,
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rampColors: {
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colors: ['#030EAB', '#0F41EB', '#40D785', '#F1D41A', '#FE0257'],
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positions: [0, 0.25, 0.5, 0.75, 1.0],
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},
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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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