mirror of https://gitee.com/antv-l7/antv-l7
97 lines
2.3 KiB
TypeScript
97 lines
2.3 KiB
TypeScript
import { PointLayer, 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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// @ts-ignore
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import data from '../data/data.json';
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export default class TextLayerDemo 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 data = {
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type: 'FeatureCollection',
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features: [
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{
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type: 'Feature',
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properties: {
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name: '中华人民共和国',
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},
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geometry: {
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type: 'Point',
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coordinates: [103.0078125, 36.03133177633187],
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},
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},
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{
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type: 'Feature',
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properties: {
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name: '中华人民共和国',
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},
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geometry: {
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type: 'Point',
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coordinates: [122.6953125, 10.833305983642491],
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},
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},
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],
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};
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const response = await fetch(
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'https://gw.alipayobjects.com/os/rmsportal/oVTMqfzuuRFKiDwhPSFL.json',
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);
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const pointsData = await response.json();
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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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center: [120.19382669582967, 30.258134],
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pitch: 0,
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style: 'dark',
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zoom: 3,
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}),
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});
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// scene.on('loaded', () => {
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const pointLayer = new PointLayer({})
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.source(pointsData.list, {
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parser: {
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type: 'json',
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x: 'j',
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y: 'w',
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},
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})
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.shape('m', 'text')
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.size(24)
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.color('#fff')
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.style({
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fontWeight: 800,
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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: [0, 0], // 文本相对锚点的偏移量 [水平, 垂直]
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spacing: 2, // 字符间距
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padding: [4, 4], // 文本包围盒 padding [水平，垂直]，影响碰撞检测结果，避免相邻文本靠的太近
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strokeColor: 'white', // 描边颜色
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strokeWidth: 4, // 描边宽度
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strokeOpacity: 1.0,
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});
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scene.addLayer(pointLayer);
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this.scene = scene;
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// });
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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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