mirror of https://gitee.com/antv-l7/antv-l7
100 lines
2.1 KiB
TypeScript
100 lines
2.1 KiB
TypeScript
// @ts-ignore
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import { PolygonLayer, Scene } from '@antv/l7';
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import { Mapbox } from '@antv/l7-maps';
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import * as dat from 'dat.gui';
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import * as React from 'react';
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export default class Sepia extends React.Component {
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private gui: dat.GUI;
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private $stats: Node;
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private scene: Scene;
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public componentWillUnmount() {
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if (this.gui) {
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this.gui.destroy();
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}
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if (this.$stats) {
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document.body.removeChild(this.$stats);
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}
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this.scene.destroy();
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}
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public async componentDidMount() {
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const response = await fetch(
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'https://gw.alipayobjects.com/os/basement_prod/d2e0e930-fd44-4fca-8872-c1037b0fee7b.json',
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);
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const data = await response.json();
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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: 'mapbox://styles/mapbox/streets-v9',
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center: [110.19382669582967, 50.258134],
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pitch: 0,
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zoom: 3,
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}),
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});
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const layer = new PolygonLayer({
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enablePicking: true,
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enableHighlight: true,
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passes: ['sepia'],
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});
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layer
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.source(data)
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.size('name', [0, 10000, 50000, 30000, 100000])
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.color('name', [
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'#2E8AE6',
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'#69D1AB',
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'#DAF291',
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'#FFD591',
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'#FF7A45',
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'#CF1D49',
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])
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.shape('fill')
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.style({
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opacity: 0.8,
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});
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scene.addLayer(layer);
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this.scene = scene;
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/*** 运行时修改样式属性 ***/
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const gui = new dat.GUI();
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this.gui = gui;
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const styleOptions = {
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amount: 0.5,
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};
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const pointFolder = gui.addFolder('Sepia 配置');
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pointFolder.add(styleOptions, 'amount', 0, 1).onChange((amount: number) => {
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layer.style({
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passes: [
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[
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'sepia',
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{
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amount,
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},
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],
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],
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});
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scene.render();
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});
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pointFolder.open();
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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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