mapbox 基于turf 绘制扇形_综合

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<html><head><meta charset="utf-8"><title>绘制扇形</title><meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no"><link href="https://api.mapbox.com/mapbox-gl-js/v2.7.0/mapbox-gl.css" rel="stylesheet"><script src="https://api.mapbox.com/mapbox-gl-js/v2.7.0/mapbox-gl.js"></script><script src="https://cdn.bootcdn.net/ajax/libs/Turf.js/6.5.0/turf.min.js"></script><style>body {margin: 0;padding: 0;}#map {position: absolute;top: 0;bottom: 0;width: 100%;}</style>
</head><body><div id="map"></div><script>mapboxgl.accessToken ='pk.eyJ1IjoibHh0aWFudGlhbiIsImEiOiJjaXd2ZjlkYnQwMTZvMnRtYWZnM2lpbHFvIn0.ef3rFZTr9psmLWahrqap2A';const map = new mapboxgl.Map({container: 'map', // container IDstyle: 'mapbox://styles/mapbox/light-v10', // style URLcenter: [-75, 40], // starting positionzoom: 10 // starting zoom});map.on('load', () => {const arr = {"北": [330,30],"东北": [15, 75],"西北": [285,345],"南": [150,210],"东南": [105,165],"西南": [195,255],"东": [60,120],"西": [240,300]};Object.keys(arr).forEach((item, index) => {initLayer(index,arr[item]);});});function initLayer(i, item){var center = turf.point([-75, 40]);var radius = 10;var bearing1 = item[0];var bearing2 = item[1];var data = turf.sector(center, radius, bearing1, bearing2);map.addSource(`maine${i}`, {'type': 'geojson','data':data});// Add a new layer to visualize the polygon.map.addLayer({'id': `maine${i}`,'type': 'fill','source': `maine${i}`, // reference the data source'layout': {},'paint': {'fill-color': '#0080ff', // blue color fill'fill-opacity': 0.5}});// Add a black outline around the polygon.map.addLayer({'id': `outline${i}`,'type': 'line','source': `maine${i}`,'layout': {},'paint': {'line-color': '#000','line-width': 3}});}</script></body></html>