mirror of https://gitee.com/antv-l7/antv-l7
59 lines
1.2 KiB
TypeScript
59 lines
1.2 KiB
TypeScript
import { PolygonLayer, Scene } 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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function convertRGB2Hex(rgb: number[]) {
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return (
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'#' + rgb.map((r) => ('0' + Math.floor(r).toString(16)).slice(-2)).join('')
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);
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}
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export default class MultiPolygon 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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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/f79485d8-d86f-4bb3-856d-537b586be06e.json',
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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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pitch: 0,
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style: 'dark',
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center: [121.775374, 31.31067],
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zoom: 14.1,
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}),
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});
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const layer = new PolygonLayer({})
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.source(await response.json())
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.shape('fill')
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.color('red')
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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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}
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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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