百度地图MapVGL的轨迹动图

百度地图MapVGL的轨迹动图

<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <title>MapVGL</title>
    <meta http-equiv="X-UA-Compatible" content="IE=Edge">
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
    <style>
    html,
    body {
        width: 100%;
        height: 100%;
        margin: 0;
        padding: 0;
    }
    #map_container {
        width: 100%;
        height: 100%;
        margin: 0;
    }
    </style>
    <script src="//api.map.baidu.com/api?v=1.0&type=webgl&ak=1XjLLEhZhQNUzd93EjU5nOGQ"></script>
    <script src="//mapv.baidu.com/build/mapv.min.js"></script>
    <script src="static/common.js"></script>
    <script src="https://code.bdstatic.com/npm/mapvgl@1.0.0-beta.97/dist/mapvgl.min.js"></script>
</head>
<body>
    <div id="map_container"></div>
    <script>
    /* global BMapGL */
    /* global Stats */
    /* global mapv */
    /* global mapvgl */
    /* global initMap */
    var map = initMap({
        tilt: 60,
        heading: 0,
        center: [106.560734,29.566986],
        zoom: 13,
    });

    var view = new mapvgl.View({
        map: map
    });

    view.startAnimation();

    fetch('./static/car.csv').then(function (rs) {
        return rs.text();
    }).then(function (csvstr) {
        // csvstr = (csvstr.split('\n').slice(0, 1).concat(csvstr.split('\n').slice(1, 10))).join('\n');
        var dataSet = mapv.csv.getDataSet(csvstr);
        var data = dataSet.get();

        var linePointLayer = new mapvgl.LinePointLayer({
            size: 5,
            speed: 1,
            color: 'rgba(255, 255, 0, 0.6)',
            animationType: mapvgl.LinePointLayer.ANIMATION_TYPE_UNIFORM_SPEED,
            shapeType: mapvgl.LinePointLayer.SHAPE_TYPE_CIRCLE,
            blend: 'lighter'
        });
        view.addLayer(linePointLayer);
        linePointLayer.setData(data);

        var lineLayer = new mapvgl.SimpleLineLayer({
            color: 'rgba(55, 55, 255, 0.11)'
        });
        view.addLayer(lineLayer);
        lineLayer.setData(data);
    });
    </script>
</body>
</html>