返回对象LOD层级信息。语法int4 ST_LOD(scene sceneObject);参数参数名称描述sceneObjectscene对象。描述返回对象LOD层级信息。示例select ST_LOD(ST_sceneFromText('{"type" : "gltf", "lod" : 1 , "content" : {"accessors":...}}')); -------- 1