mirror of https://gitee.com/antv-l7/antv-l7
137 lines
3.4 KiB
TypeScript
137 lines
3.4 KiB
TypeScript
// @ts-ignore
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import { PolygonLayer, Scene, PointLayer } 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 Highlight 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 response2 = 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 pointsData = await response2.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: 'dark',
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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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highlightColor: [0, 0, 1, 1],
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onHover: (pickedFeature) => {
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// tslint:disable-next-line:no-console
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// console.log(pickedFeature);
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},
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});
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layer
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.source(await response.json())
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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: 1.0,
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});
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scene.addLayer(layer);
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const pointLayer = new PointLayer()
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.source(pointsData, {
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cluster: true,
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})
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.shape('circle')
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.scale('point_count', {
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type: 'quantile',
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})
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.size('point_count', [5, 10, 15, 20, 25])
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.animate(false)
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.active(true)
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.color('yellow')
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.style({
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opacity: 0.5,
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strokeWidth: 1,
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});
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scene.addLayer(pointLayer);
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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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enablePicking: true,
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enableHighlight: true,
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highlightColor: [0, 0, 255],
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};
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const pointFolder = gui.addFolder('拾取 & 高亮');
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// pointFolder
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// .add(styleOptions, 'enablePicking')
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// .onChange((enablePicking: boolean) => {
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// // FIXME: 该配置项会影响到初始化阶段 PixelPickingPass 的添加，暂不支持在运行时更改
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// layer.style({
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// enablePicking,
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// });
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// scene.render();
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// });
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pointFolder
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.add(styleOptions, 'enableHighlight')
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.onChange((enableHighlight: boolean) => {
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layer.style({
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enableHighlight,
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});
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scene.render();
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});
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pointFolder
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.addColor(styleOptions, 'highlightColor')
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.onChange((highlightColor: number[]) => {
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const [r, g, b] = highlightColor.map((c) => c / 255);
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layer.style({
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highlightColor: [r, g, b, 1],
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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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