在地图上添加GeoJSON线

        

<!DOCTYPE html>
<html>
<head>
    <meta charset='utf-8' />
    <title></title>
    <meta name='viewport' content='initial-scale=1,maximum-scale=1,user-scalable=no' />
    <script src='https://api.tiles.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.js'></script>
    <link href='https://api.tiles.mapbox.com/mapbox-gl-js/v0.28.0/mapbox-gl.css' rel='stylesheet' />
    <style>
        body { margin:0; padding:0; }
        #map { position:absolute; top:0; bottom:0; width:100%; }
    </style>
</head>
<body>

<div id='map'></div>     /* 用来放置map的div容器 */
<script>
mapboxgl.accessToken = '<your access token here>';
var map = new mapboxgl.Map({
    container: 'map',
    style: 'mapbox://styles/mapbox/streets-v9',
    center: [-122.486052, 37.830348],
    zoom: 15
});

map.on('load', function () {       /* 为map添加load事件监听器 */
    map.addSource("route", {       /* addSource()函数添加资源,资源ID是route */
        "type": "geojson",
        "data": {                  /* GeoJSON格式数据 */
            "type": "Feature",
            "properties": {},
            "geometry": {
                "type": "LineString",
                "coordinates": [
                    [-122.48369693756104, 37.83381888486939],
                    [-122.48348236083984, 37.83317489144141],
                    [-122.48339653015138, 37.83270036637107],
                    [-122.48356819152832, 37.832056363179625],
                    [-122.48404026031496, 37.83114119107971],
                    [-122.48404026031496, 37.83049717427869],
                    [-122.48348236083984, 37.829920943955045],
                    [-122.48356819152832, 37.82954808664175],
                    [-122.48507022857666, 37.82944639795659],
                    [-122.48610019683838, 37.82880236636284],
                    [-122.48695850372314, 37.82931081282506],
                    [-122.48700141906738, 37.83080223556934],
                    [-122.48751640319824, 37.83168351665737],
                    [-122.48803138732912, 37.832158048267786],
                    [-122.48888969421387, 37.83297152392784],
                    [-122.48987674713133, 37.83263257682617],
                    [-122.49043464660643, 37.832937629287755],
                    [-122.49125003814696, 37.832429207817725],
                    [-122.49163627624512, 37.832564787218985],
                    [-122.49223709106445, 37.83337825839438],
                    [-122.49378204345702, 37.83368330777276]
                ]
            }
        }
    });

    map.addLayer({                 /* 为地图添加layer */
        "id": "route",             /* layer id是route */
        "type": "line",            /* line类型layer*/
        "source": "route",         /* 资源引用的是上面定义的source*/
        "layout": {
            "line-join": "round",  /* 线条相交的形状 */
            "line-cap": "round"    /* 线条末端形状 */
        },
        "paint": {
            "line-color": "#888",  /* 线条颜色 */
            "line-width": 8        /* 线条宽度 */
        }
    });
});
</script>

</body>
</html>


原文:https://www.mapbox.com/mapbox-gl-js/example/geojson-line/

Logo

权威|前沿|技术|干货|国内首个API全生命周期开发者社区

更多推荐