mirror of https://gitee.com/antv-l7/antv-l7
116 lines
2.8 KiB
TypeScript
116 lines
2.8 KiB
TypeScript
// @ts-ignore
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import { Scene, HeatmapLayer } from '@antv/l7';
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// @ts-ignore
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import { GaodeMap } from '@antv/l7-maps';
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import React, { useEffect } from 'react';
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export default () => {
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useEffect(() => {
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const scene = new Scene({
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id: 'map',
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stencil: true,
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map: new GaodeMap({
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center: [120.165, 30.26],
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pitch: 0,
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zoom: 6,
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style: 'dark',
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}),
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});
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scene.addImage(
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'00',
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'https://gw.alipayobjects.com/zos/basement_prod/604b5e7f-309e-40db-b95b-4fac746c5153.svg',
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);
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const maskData = {
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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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geometry: {
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type: 'MultiPolygon',
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coordinates: [
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[
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[
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[117.20214843749999, 30.29701788337205],
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[119.66308593749999, 30.050076521698735],
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[117.20214843749999, 29.286398892934763],
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],
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],
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[
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[
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[119.13574218749999, 28.188243641850313],
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[119.64111328125, 29.19053283229458],
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[120.60791015625, 27.955591004642553],
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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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};
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scene.on('loaded', () => {
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fetch(
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'https://gw.alipayobjects.com/os/basement_prod/a1a8158d-6fe3-424b-8e50-694ccf61c4d7.csv',
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)
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.then((res) => res.text())
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.then((data) => {
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const layer = new HeatmapLayer({
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mask: true,
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maskInside: false,
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maskfence: maskData,
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maskOpacity: 0.5,
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maskColor: '#00f',
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})
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.source(data, {
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parser: {
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type: 'csv',
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x: 'lng',
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y: 'lat',
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},
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transforms: [
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{
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type: 'hexagon',
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size: 2500,
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field: 'v',
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method: 'sum',
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},
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],
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})
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.size('sum', (sum) => {
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return sum * 20000;
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})
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.shape('hexagonColumn')
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.style({
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coverage: 0.8,
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angle: 0,
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opacity: 1.0,
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})
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.color('sum', [
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'#094D4A',
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'#146968',
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'#1D7F7E',
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'#289899',
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'#34B6B7',
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'#4AC5AF',
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'#5FD3A6',
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'#7BE39E',
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'#A1EDB8',
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'#C3F9CC',
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'#DEFAC0',
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'#ECFFB1',
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]);
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scene.addLayer(layer);
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});
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});
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}, []);
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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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