| IFC相关实体 | CityGML LOD4相关实体 |
| IfcProject | Building |
| IfcSite | lod3Solid |
| IfcBuilding | lod3MultiSurface |
| IfcBuildingStorey | RoofSurface |
| IfcWallStandardCase | WallSurface |
| IfcSlab | GroundSurface |
| IfcRoof | Door |
| IfcDoor | Window |
| IfcWindow | AbstractiCityObjectType |
| IfcFurnishingElement | Room |
| IfcStair |
|
| IfcSpace |
|