炫码科技-高德地图 LOCA 数据可视化 API 2.0— 北京公交线路

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>北京某个时间点的公交线路</title>
    <style>
        html,
        body,
        #map {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
        }
        
        .demo-title {
            position: absolute;
            top: 25px;
            left: 25px;
            z-index: 1;
        }

        h1 {
            font-size: 18px;
            margin: 0;
            color: rgb(180, 180, 190);
        }

        h3 {
            font-size: 12px;
            font-weight: normal;
            margin-top: 5px;
            color: rgb(150,150,150);
        }
    </style>
</head>

<body>
    <div class="demo-title">
        <h1>线路图--北京部分公共交通线路</h1>
        <h3>通过高层展示出叠加在一起的线路，更加清晰展示每条数据线</h3>
    </div>
    <div id="map"></div>
    <script src="https://webapi.amap.com/maps?v=2.0&key=您申请的key值"></script>
    <script src="https://webapi.amap.com/loca?v=2.0.0&key=您申请的key值"></script>

    <script>

        var map =  new AMap.Map('map', {
            zoom: 10.4,
            center: [116.335036, 39.900082],
            // showLabel: false,
            mapStyle: 'amap://styles/45311ae996a8bea0da10ad5151f72979',
            viewMode: '3D',
            pitch: 50,
        });

        var loca = new Loca.Container({
            map,
        });

     	var geo = new Loca.GeoJSONSource({
            url: 'https://a.amap.com/Loca/static/loca-v2/demos/mock_data/bj_bus.json',
        });

        var ll = new Loca.LineLayer({
            loca,
        });
        var colors = ['#f7fcf5', '#e5f5e0', '#c7e9c0', '#a1d99b', '#74c476', '#41ab5d', '#238b45', '#006d2c', '#00441b'].reverse();
        ll.setSource(geo, {
            color: function (index, prop) {
                var i = index % colors.length;
                return colors[i];
            },
            lineWidth: (index, prop) => {
                var i = index % colors.length;
                return i * 0.1 + 2;
            },
            altitude: function (index, feature) {
                var i = index % colors.length;
                return 100 * i;
            },
            // dashArray: [10, 5, 10, 0],
            dashArray: [10, 0, 10, 0],
        });


        var dat = new Loca.Dat();
        dat.addLayer(ll);

    </script>
</body>

</html>

炫码科技-高德地图 LOCA 数据可视化 API 2.0— 北京公交线路

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