mirror of https://gitee.com/antv-l7/antv-l7
82 lines
1.8 KiB
TypeScript
82 lines
1.8 KiB
TypeScript
// @ts-ignore
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import { Marker, MarkerLayer, PolygonLayer, Scene } from '@antv/l7';
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import { GaodeMap, Mapbox } from '@antv/l7-maps';
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import * as React from 'react';
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export default class ClusterMarkerLayer extends React.Component {
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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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function getColor(v: number) {
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return v > 50
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? '#800026'
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: v > 40
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? '#BD0026'
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: v > 30
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? '#E31A1C'
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: v > 20
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? '#FC4E2A'
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: v > 10
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? '#FD8D3C'
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: v > 5
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? '#FEB24C'
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: v > 0
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? '#FED976'
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: '#FFEDA0';
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}
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const response = await 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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const nodes = await response.json();
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const markerLayer = new MarkerLayer({
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cluster: true,
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clusterOption: {
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field: 'mag',
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method: 'sum',
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},
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});
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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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style: 'dark',
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center: [110.19382669582967, 30.258134],
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pitch: 0,
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zoom: 3,
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}),
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});
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// tslint:disable-next-line:prefer-for-of
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for (let i = 0; i < nodes.features.length; i++) {
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const { coordinates } = nodes.features[i].geometry;
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const marker = new Marker({
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color: 'red',
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extData: nodes.features[i].properties,
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}).setLnglat({
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lng: coordinates[0],
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lat: coordinates[1],
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});
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markerLayer.addMarker(marker);
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}
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scene.addMarkerLayer(markerLayer);
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this.scene = scene;
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}
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public render() {
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return (
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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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