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52.加载国华模型5.8G-隐藏点击模型.html

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

<head>
    <!-- Use correct character set. -->
    <meta charset="utf-8" />
    <!-- Tell IE to use the latest, best version. -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <!-- Make the application on mobile take up the full browser screen and disable user scaling. -->
    <meta name="viewport"
        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no" />
    <title>Hello World!</title>
    <script src="Build/Cesium/Cesium.js"></script>
    <script src="js/jquery.min.js"></script>
    <style>
        @import url(Build/Cesium/Widgets/widgets.css);

        html,
        body,
        #cesiumContainer {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
            overflow: hidden;
        }
    </style>
</head>

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

        //创建一个基本地球
        let viewer = new Cesium.Viewer("cesiumContainer", {
            imageryProvider: new Cesium.WebMapTileServiceImageryProvider({
                url: 'http://t0.tianditu.gov.cn/img\_w/wmts?tk=0702d09e30dca11ed07ba4cec6d6bdac',
                layer: 'img',
                style: 'default',
                tileMatrixSetID: 'w',
                format: 'tiles',
                maximumLevel: 18
            }),
            animation: false, //动画控制，默认true （图中1）
            baseLayerPicker: false,//地图切换控件(底图以及地形图)是否显示,默认显示true  （图中6）
            fullscreenButton: true,//全屏按钮,默认显示true  （图中4）
            geocoder: false,//地名查找,默认true  （图中9）
            // timeline: false,//时间线,默认true  （图中3）
            vrButton: false,//双屏模式,默认不显示false
            homeButton: true,//主页按钮，默认true  （图中8）
            infoBox: false,//点击要素之后显示的信息,默认true
            selectionIndicator: true,//选中元素显示,默认true
            shadows: true,
        });
        viewer.cesiumWidget.creditContainer.style.display = "none";//去cesium logo水印

        viewer.scene.debugShowFramesPerSecond = true;//开启帧数
        //viewer.scene.globe.enableLighting = true;


        var shadowMap = viewer.shadowMap;
        shadowMap.softShadows = true;
        shadowMap.maximumDistance = 350.0;
        shadowMap.size = 8192;


        //添加数据

        //添加文字
        viewer.entities.add({
            name: '文字',
            position: Cesium.Cartesian3.fromDegrees(116.3904715, 39.90571),
            label: {
                text: '看这里',
                font: '19px Helvetica',
                style: Cesium.LabelStyle.FILL_AND_OUTLINE,
                fillColor: Cesium.Color.AZURE,
                outlineColor: Cesium.Color.BLACK,
                outlineWidth: 3,
                verticalOrigin: Cesium.VerticalOrigin.BOTTOM, //垂直方向以底部来计算标签的位置
            }
        });

        var tileset = viewer.scene.primitives.add(new Cesium.Cesium3DTileset({
            //  url: '测试辅助文件/Lab导出环氧乙烷/tileset.json', //数据路径
            //url: '测试辅助文件/张单单大厦/tileset.json', //数据路径
            // url: '测试辅助文件/eo/tileset.json', //数据路径
            // url: '测试辅助文件/eo/tileset.json', //数据路径
             url: '../GH/tileset.json', //数据路径
           // url: '测试辅助文件/测试小模型/tileset.json', //数据路径
            //  url: '测试辅助文件/催化重整/催化重整.json', //数据路径
            maximumScreenSpaceError: 22, //最大的屏幕空间误差，数值越小，显示越精细
            maximumNumberOfLoadedTiles: 1500, //最大加载瓦片个数

            //minimumPixelSize: 500,
        }));

        tileset.readyPromise.then(function (model) {

            var params = {
                tx: 116.3904715,  //模型中心X轴坐标（经度，单位：十进制度）
                ty: 39.90571,    //模型中心Y轴坐标（纬度，单位：十进制度）
                tz: 50,    //模型中心Z轴坐标（高度，单位：米）
                rx: -90,    //X轴（经度）方向旋转角度（单位：度）圆心应该是在地心，改动其中一个值的时候，不止变化了该变量，比如改动ry，模型的高度也有了显著上升
                ry: 180,    //Y轴（纬度）方向旋转角度（单位：度）
                rz: 0      //Z轴（高程）方向旋转角度（单位：度）
            };
            //旋转
            var mx = Cesium.Matrix3.fromRotationX(Cesium.Math.toRadians(params.rx));
            var my = Cesium.Matrix3.fromRotationY(Cesium.Math.toRadians(params.ry));
            var mz = Cesium.Matrix3.fromRotationZ(Cesium.Math.toRadians(params.rz));
            var rotationX = Cesium.Matrix4.fromRotationTranslation(mx);
            var rotationY = Cesium.Matrix4.fromRotationTranslation(my);
            var rotationZ = Cesium.Matrix4.fromRotationTranslation(mz);
            //平移
            var position = Cesium.Cartesian3.fromDegrees(params.tx, params.ty, params.tz);

            var m = Cesium.Transforms.eastNorthUpToFixedFrame(position);
            //旋转、平移矩阵相乘
            Cesium.Matrix4.multiply(m, rotationX, m);
            Cesium.Matrix4.multiply(m, rotationY, m);
            Cesium.Matrix4.multiply(m, rotationZ, m);
            //赋值给tileset
            tileset._root.transform = m;


        });


        var boundingSphere = new Cesium.BoundingSphere(Cesium.Cartesian3.fromDegrees(116.3904715, 39.90571, 10), 18.7);

        viewer.camera.flyToBoundingSphere(boundingSphere, { duration: 0 });


        viewer.scene.postProcessStages.fxaa.enabled = true;

        var utc = Cesium.JulianDate.fromDate(new Date("2019/10/04 12:30:00"));//UTC


        viewer.screenSpaceEventHandler.setInputAction(function onMouseMove(movement) {

            var pickedFeature = viewer.scene.pick(movement.endPosition);
            //alert(!Cesium.defined(pickedFeature));
            if (!Cesium.defined(pickedFeature)) {
                //如果

                return;
            }

            var name = pickedFeature.getProperty("name");
            if (!Cesium.defined(name)) {
                name = pickedFeature.getProperty("id");
            }
            console.log(name);
        }, Cesium.ScreenSpaceEventType.MOUSE_MOVE);


        ///
        var clickHandler = viewer.screenSpaceEventHandler.getInputAction(
            Cesium.ScreenSpaceEventType.LEFT_CLICK
        );
        // An entity object which will hold info about the currently selected feature for infobox display
        //一个实体对象，它将保存有关当前所选功能的信息以供信息框显示
        var selectedEntity = new Cesium.Entity();


        viewer.screenSpaceEventHandler.setInputAction(function onLeftClick(movement) {


            // Pick a new feature
            var pickedFeature = viewer.scene.pick(movement.position);
            if (!Cesium.defined(pickedFeature)) {
                clickHandler(movement);
                return;
            }


            // Set feature infobox description
            var featureName = pickedFeature.getProperty("name");
            selectedEntity.name = featureName;
            selectedEntity.description = 'Loading <div class="cesium-infoBox-loading"></div>';
            viewer.selectedEntity = selectedEntity;
            pickedFeature.show = false;
            console.log(featureName);


        }, Cesium.ScreenSpaceEventType.LEFT_CLICK);


    </script>
</body>

</html>