tude);
                    var lng = Cesium.Math.toDegrees(cartographic.longitude);
                    var alt = cartographic.height;
                    pointArr.push(lng, lat, alt);
                }

                //移除所有实体
                entityController.removeAllEntities();

                //构造区对象
                var polygon = {
                    name: "立体区",
                    polygon: {
                        //坐标点
                        hierarchy: Cesium.Ca