cesium(坐标转换)

var viewer = new Cesium.Viewer('cesiumContainer');
    var screen;//屏幕坐标
    var world;//世界坐标
    var Geography;//地理坐标
    
    var handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
    handler.setInputAction(function(movement){
        //1、屏幕坐标转世界坐标
        world = viewer.scene.globe.pick(viewer.camera.getPickRay(movement.endPosition),viewer.scene);
        console.log('世界坐标',world)
        //2、世界坐标转屏幕坐标
        screen = Cesium.SceneTransforms.wgs84ToWindowCoordinates( viewer.scene, world);
        console.log('屏幕坐标',screen)
        //3、世界坐标转地理坐标(经纬度)
        Geography = viewer.scene.globe.ellipsoid.cartesianToCartographic(world);
        Geography = [Cesium.Math.toDegrees(Geography.longitude), Cesium.Math.toDegrees(Geography.latitude)];
        console.log('地理坐标',Geography);
        //4、地理坐标(经纬度)转世界坐标
        world = Cesium.Cartesian3.fromDegrees(Geography[0], Geography[1]);
        console.log('世界坐标',world);
        
    },Cesium.ScreenSpaceEventType.MOUSE_MOVE);