版本：9.0.0
迁徙图

迁徙图是在地图中动态、实时地展示数据的迁徙轨迹和迁徙量级，直观查看数据的来源和去向。需要引入turf.js。
<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <title>迁徙图</title>
    <meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
    <style>
        body {
            margin: 0;
            padding: 0;
        }

        #map {
            position: absolute;
            top: 0;
            bottom: 0;
            width: 100%;
        }
    </style>
    <script src="https://delivery.mapmost.com/cdn/sdk/webgl/v9.0.0/mapmost-webgl-min.js"></script>
    <script src="https://unpkg.com/@turf/turf@6/turf.min.js"></script>
</head>

<body>
<div id="map"></div>
<script>

    let map = new mapmost.Map({
        container: 'map',  
        style: "<your style url>", 
        center: [120.70899820084962, 31.339048513540533], 
        zoom: 14, 
        userId: '***', // 授权码
    });

    map.on('load', function () {

        // 数据
        let data = { // color:默认值'#00eaff'
        arcSet: [
            {
                coords: [[120.70254950835465, 31.34452333816192], [120.72899820084962, 31.339048513540533]],
                color: '#FFFF00'
            },
            {
                coords: [[120.71146083590128, 31.328411691268002], [120.72899820084962, 31.339048513540533]],
                color: '#00FF00',
            },
            {
                coords: [[120.6919983801705, 31.330883608912274], [120.72899820084962, 31.339048513540533]],
                color: '#ff4E5D'
            },
            {
                coords: [[120.69473931280976, 31.347288081092003], [120.72899820084962, 31.339048513540533]],
                color: '#00eaff'
            }
        ],

        // name:可选   size:默认值1
        pointSet: [
            {
                name: '起点1',
                coords: [120.70254950835465, 31.34452333816192],
                color: '#FFFF00',
                size: 1
            },
            {
                name: '起点2',
                coords: [120.71146083590128, 31.328411691268002],
                color: '#00FF00',
                size: 1.2
            },
            {
                name: '起点3',
                coords: [120.6919983801705, 31.330883608912274],
                color: '#ff4E5D',
                size: 1.5
            },
            {
                name: '起点4',
                coords: [120.69473931280976, 31.347288081092003],
                color: '#00eaff',
                size: 2
            },
            {
                name: '终点',
                coords: [120.72899820084962, 31.339048513540533],
                color: '#0000ff',
                size: 2.3
            },
        ]
    };

    let a = map.addLayer({
        id: 'migrate-demo',
        type:'migrate',
        data: data,
        pointImgUrl: './point.png' // 运动点的图标
    })

    // 鼠标点击删除迁徙图
    map.on('click', function () {
        map.removeLayer('migrate-demo');
    })
});

</script>
</body>
</html>