返回椭球或地图表面上点的经纬度(方法一)
handler.setInputAction((event) => {// 获取点的世界坐标const start_point = viewer.scene.camera.pickEllipsoid(event.position, viewer.scene.globe.ellipsoid)// 笛卡尔坐标转弧度let cartographic = Cesium.Cartographic.fromCartesian(start_point, viewer.scene.globe.ellipsoid, new Cesium.Cartographic())// Cesium.Math.toDegrees 弧度转度,将弧度转换成经纬度let lng = Cesium.Math.toDegrees(cartographic.longitude)let lat = Cesium.Math.toDegrees(cartographic.latitude)}, Cesium.ScreenSpaceEventType.LEFT_UP)
返回椭球或地图表面上点的经纬度(方法二)
handler.setInputAction((event) => {// 从相机位置到position的像素创建射线let ray = viewer.camera.getPickRay(event.position)// 找到射线与渲染的地球表面之间的焦点let cartesian = viewer.scene.globe.pick(ray, viewer.scene)let cartographic = Cesium.Cartographic.fromCartesian(cartesian)let lng = Cesium.Math.toDegrees(cartographic.longitude)let lat = Cesium.Math.toDegrees(cartographic.latitude)}, Cesium.ScreenSpaceEventType.LEFT_CLICK)
返回椭球或地图表面上点的经纬度(方法三)
handler.setInputAction((event) => {// 在开启地形深度检测,且不适用默认地形时准确// 获取具有高度的物体上的鼠标点坐标let cartesian = viewer.scene.pickPosition(event.position)}, Cesium.ScreenSpaceEventType.LEFT_CLICK)