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 { Map } from '@antv/l7-maps';
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import React, { useEffect } from 'react';
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import { useData, addLayers } from './useLine';
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export default () => {
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const { geoData } = useData();
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useEffect(() => {
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const scene = new Scene({
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id: 'map',
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map: new Map({
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pitch: 0,
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style: 'light',
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center: [-96, 37.8],
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zoom: 3,
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}),
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});
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if (geoData) {
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const layer = new PolygonLayer({})
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.source(geoData.county, {
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transforms: [
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{
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type: 'join',
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sourceField: 'id',
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targetField: 'id',
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data: geoData.unemploymentdata,
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},
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],
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})
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.scale('rate', {
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type: 'threshold',
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domain: [3, 6, 8, 10],
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})
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.shape('fill')
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.color('rate', ['#ffffcc', '#b6e2b6', '#64c1c0', '#338cbb', '#253494'])
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.style({
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opacity: 1,
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});
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scene.addLayer(layer);
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addLayers(geoData, scene, layer);
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}
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return () => {
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scene.destroy();
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};
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}, [geoData]);
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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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height: '500px',
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position: 'relative',
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}}
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/>
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);
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};
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