Cesium 笛卡尔坐标与WGS84相互转

/**
     * 笛卡尔坐标转WGS84
     * @param Cartesian3 单个点或点数组
     */
    Cartesian3ToWGS84: (Cartesian3) => {
        if (!Cartesian3 || !Cartesian3.x) {
            throw "Error in parameters";
        }
        let _cartesian3 = new Cesium.Cartesian3(Cartesian3.x, Cartesian3.y, Cartesian3.z);
        let _cartographic = Cesium.Cartographic.fromCartesian(_cartesian3);
        let _lat = Cesium.Math.toDegrees(_cartographic.latitude);
        let _lng = Cesium.Math.toDegrees(_cartographic.longitude);
        let _alt = _cartographic.height;
        return {lng: _lng, lat: _lat, alt: _alt};

    },

拾取笛卡尔坐标及应用

var cartesian = viewer.scene.camera.pickEllipsoid(movement.position, viewer.scene.globe.ellipsoid);
            var p = SXYReviewTool.Cartesian3ToWGS84(cartesian);

 wgsToCartesian:function(point) {
                var car33 = Cesium.Cartesian3.fromDegrees(point.lng, point.lat, point.alt);
                var x = car33.x;
                var y = car33.y;
                var z = car33.z;
                return {x: x, y: y, z: z};
            },

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