mirror of https://gitee.com/antv-l7/antv-l7
113 lines
2.9 KiB
TypeScript
113 lines
2.9 KiB
TypeScript
import { PointLayer, Scene, PolygonLayer, LineLayer } from '@antv/l7';
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import { GaodeMap } from '@antv/l7-maps';
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import * as React from 'react';
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export default class Amap2demo_mesh2 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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style: 'dark',
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pitch: 40,
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center: [118.8, 32.056],
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zoom: 12.5,
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}),
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});
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this.scene = scene;
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let fontFamily = 'iconfont';
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let fontPath =
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'//at.alicdn.com/t/font_2534097_bl34aphh10n.woff2?t=1622180820063';
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scene.addIconFont('up', '');
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scene.addIconFont('down', '');
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scene.addFontFace(fontFamily, fontPath);
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scene.on('loaded', () => {
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fetch(
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'https://gw.alipayobjects.com/os/bmw-prod/41802695-0f7e-4a81-ab16-539c4e39df0d.json',
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)
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.then((res) => res.json())
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.then((data) => {
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const filllayer = new PolygonLayer({
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name: 'fill',
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zIndex: 3,
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})
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.source(data)
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.shape('fill')
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.color('count', ['rgb(194, 143, 133)', 'rgb(148, 167, 192)'])
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.style({
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opacity: 0.5,
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});
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scene.addLayer(filllayer);
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const linelayer = new LineLayer({
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zIndex: 5,
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name: 'line2',
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})
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.source(data)
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.shape('line')
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.size(1)
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.color('#fff')
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.style({
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opacity: 0.3,
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});
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scene.addLayer(linelayer);
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const pointLayer = new PointLayer({
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zIndex: 10,
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})
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.source(data)
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.shape('icon', 'text')
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.size(15)
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.color('count', (n) => (n > 0 ? '#0f0' : '#f00'))
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.style({
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textAnchor: 'center', // 文本相对锚点的位置 center|left|right|top|bottom|top-left
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textOffset: [30, 5],
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padding: [2, 2],
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fontFamily,
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iconfont: true,
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// textAllowOverlap: true
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});
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scene.addLayer(pointLayer);
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const textLayer = new PointLayer({
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zIndex: 10,
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})
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.source(data)
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.shape('count', 'text')
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.size(12)
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.color('count', (n) => (n > 0 ? '#0f0' : '#f00'))
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.style({
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textAnchor: 'center', // 文本相对锚点的位置 center|left|right|top|bottom|top-left
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textOffset: [40, 10],
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padding: [1, 1],
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});
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scene.addLayer(textLayer);
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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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