国产欧美在线亚洲一区刘亦菲,国产精品亚洲欧美大片在线看,国产欧美专区在线观看

運行重置
            <!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>衛星掃描</title>
    <link  rel='stylesheet'/>
    <script src='http://ua.bigemap.com:30081/bmsdk/bigemap-gl.js/v1.1.0/bigemap-gl.js'></script>
</head>
<style>
    body {
        margin: 0;
        padding: 0;
    }

    #container {
        position: absolute;
        top: 0;
        bottom: 0;
        width: 100%;
    }

    .bmgl-widget-credits {
        display: none
    }
</style>

<body>
<div id='container'></div>
</body>
<script>
    bmgl.Config.HTTP_URL = 'http://ua.bigemap.com:30081/bmsdk/';
    var viewer = new bmgl.Viewer('container', {
        mapId: 'bigemap.dc-satellite',
        requestRenderMode: false,
        timeline: true,
        shouldAnimate: true,
    });
    var data = [{
        longitude: 104.02001381,
        dimension: 30.64743519,
        height: 100,
        time: 0
    }, {
        longitude: 104.03567791,
        dimension: 30.63134193,
        height: 100,
        time: 50
    }, {
        longitude: 104.05533314,
        dimension: 30.62241554,
        height: 100,
        time: 100
    }, {
        longitude: 104.07464504,
        dimension: 30.62275887,
        height: 100,
        time: 150
    }, {
        longitude: 104.09271240,
        dimension: 30.62335968,
        height: 100,
        time: 200
    }, {
        longitude: 104.11241055,
        dimension: 30.65421581,
        height: 100,
        time: 250
    }, {
        longitude: 104.11215305,
        dimension: 30.66318512,
        height: 100,
        time: 300
    }];

    // 起始時間
    var start = bmgl.JulianDate.fromDate(new Date(2017, 7, 11));
    // 結束時間
    var stop = bmgl.JulianDate.addSeconds(start, 300, new bmgl.JulianDate());

    // 設置始時鐘始時間
    viewer.clock.startTime = start.clone();
    // 設置時鐘當前時間
    viewer.clock.currentTime = start.clone();
    // 設置始終停止時間
    viewer.clock.stopTime = stop.clone();
    // 時間速率，數字越大時間過的越快
    viewer.clock.multiplier = 5;
    // 時間軸

    viewer.timeline.zoomTo(start, stop);
    // 循環執行
    viewer.clock.clockRange = bmgl.ClockRange.LOOP_STOP;


    var property = computeFlight(data);
    // 添加模型
    var planeModel = viewer.entities.add({
        // 和時間軸關聯
        availability: new bmgl.TimeIntervalCollection([new bmgl.TimeInterval({
            start: start,
            stop: stop
        })]),
        position: property,
        // 根據所提供的速度計算點
        orientation: new bmgl.VelocityOrientationProperty(property),
        // 模型數據
        model: {
            uri: '/SampleData/models/CesiumAir/Cesium_Air.glb',
            minimumPixelSize: 105
        },
        path: {
            resolution: 1,
            material: new bmgl.PolylineGlowMaterialProperty({
                glowPower: .1,
                color: bmgl.Color.YELLOW
            }),
            width: 10
        }
    });

    viewer.trackedEntity = planeModel

    planeModel.position.setInterpolationOptions({ //設定位置的插值算法
        interpolationDegree: 0,
        interpolationAlgorithm: bmgl.LagrangePolynomialApproximation
    });

    var scene = viewer.scene;
    var handler = new bmgl.ScreenSpaceEventHandler(scene.canvas);
    var ellipsoid = scene.globe.ellipsoid; //得到當前三維場景的橢球體

    let di = 1;
    //添加移動事件
    viewer.clock.onTick.addEventListener(e => {
        let postion_xyz = planeModel.position.getValue(e.currentTime)

        var wgs84 = ellipsoid.cartesianToCartographic(postion_xyz);
        let lng = bmgl.Math.toDegrees(wgs84.longitude)
        let lat = bmgl.Math.toDegrees(wgs84.latitude)
        let height = bmgl.Math.toDegrees(wgs84.height)

        let latlng = [lat, lng]
         if(di == data.length){
            return;
        }   

        let dis = distan({dimension: lat, longitude: lng}, data[di])
        if (dis < 100) {
            createLabel(di)
            di += 1
        }

    })

    function createLabel() {
        viewer.entities.add({
            position: bmgl.Cartesian3.fromDegrees(data[di].longitude, data[di].dimension, 100),
            label: {
                scale: 1,
                //貼地
                // heightReference:bmgl.HeightReference.CLAMP_TO_GROUND,
                fillColor: bmgl.Color.BLUE,
                text: 'BIGEMAP',
            },
        });
    }

    function computeFlight(source) {
        var property = new bmgl.SampledPositionProperty();
        for (var i = 0; i < source.length; i++) {
            var time = bmgl.JulianDate.addSeconds(start, source[i].time, new bmgl.JulianDate);
            var position = bmgl.Cartesian3.fromDegrees(source[i].longitude, source[i].dimension, source[i].height);
            // 添加位置，和時間對應
            property.addSample(time, position);
        }
        return property;
    }

    function distan(point1, point2) {
    //     point2.longitude, point2.dimension, 1
    //     ;dimension: lat, longitude
        var point1_xyz=bmgl.Cartesian3.fromDegrees(point1.longitude,point1.dimension,1);
        var point2_xyz=bmgl.Cartesian3.fromDegrees(point2.longitude,point2.dimension,1);
        var distance = bmgl.Cartesian3.distance(point1_xyz, point2_xyz);

        return distance;

    }

</script>

</html>