| Definition | Type | Referenced Entity |
|---|
| IfcAssociatedSurface | FUNCTION | IfcSurface |
| IfcAxis1Placement | ENTITY | IfcGeometricRepresentationItem |
| IfcAxis1Placement | ENTITY | IfcRepresentationItem |
| IfcBaseAxis | FUNCTION | IfcRepresentationItem |
| IfcBaseAxis | FUNCTION | IfcGeometricRepresentationItem |
| IfcBuild2Axes | FUNCTION | IfcRepresentationItem |
| IfcBuild2Axes | FUNCTION | IfcGeometricRepresentationItem |
| IfcBuildAxes | FUNCTION | IfcGeometricRepresentationItem |
| IfcBuildAxes | FUNCTION | IfcRepresentationItem |
| IfcCompositeCurveOnSurface | ENTITY | IfcSurface |
| IfcConvertDirectionInto2D | FUNCTION | IfcGeometricRepresentationItem |
| IfcConvertDirectionInto2D | FUNCTION | IfcRepresentationItem |
| IfcCrossProduct | FUNCTION | IfcRepresentationItem |
| IfcCrossProduct | FUNCTION | IfcGeometricRepresentationItem |
| IfcCurveBoundedSurface | ENTITY | IfcSurface |
| IfcElementarySurface | ENTITY | IfcToroidalSurface |
| IfcExtrudedAreaSolid | ENTITY | IfcRepresentationItem |
| IfcExtrudedAreaSolid | ENTITY | IfcGeometricRepresentationItem |
| IfcFaceSurface | ENTITY | IfcSurface |
| IfcFirstProjAxis | FUNCTION | IfcRepresentationItem |
| IfcFirstProjAxis | FUNCTION | IfcGeometricRepresentationItem |
| IfcGeometricRepresentationItem | ENTITY | IfcSurface |
| IfcGeometricSetSelect | SELECT | IfcSurface |
| IfcGetBasisSurface | FUNCTION | IfcSurface |
| IfcHalfSpaceSolid | ENTITY | IfcSurface |
| IfcLayeredItem | SELECT | IfcRepresentationItem |
| IfcMirroredProfileDef | ENTITY | IfcGeometricRepresentationItem |
| IfcMirroredProfileDef | ENTITY | IfcRepresentationItem |
| IfcNormalise | FUNCTION | IfcRepresentationItem |
| IfcNormalise | FUNCTION | IfcGeometricRepresentationItem |
| IfcOrthogonalComplement | FUNCTION | IfcGeometricRepresentationItem |
| IfcOrthogonalComplement | FUNCTION | IfcRepresentationItem |
| IfcPcurve | ENTITY | IfcSurface |
| IfcPointOnSurface | ENTITY | IfcSurface |
| IfcRectangularTrimmedSurface | ENTITY | IfcSurface |
| IfcRepresentation | ENTITY | IfcRepresentationItem |
| IfcRepresentationItem | ENTITY | IfcGeometricRepresentationItem |
| IfcRevolvedAreaSolid | ENTITY | IfcGeometricRepresentationItem |
| IfcRevolvedAreaSolid | ENTITY | IfcRepresentationItem |
| IfcScalarTimesVector | FUNCTION | IfcRepresentationItem |
| IfcScalarTimesVector | FUNCTION | IfcGeometricRepresentationItem |
| IfcSecondProjAxis | FUNCTION | IfcRepresentationItem |
| IfcSecondProjAxis | FUNCTION | IfcGeometricRepresentationItem |
| IfcShapeRepresentationTypes | FUNCTION | IfcSurface |
| IfcShapeRepresentationTypes | FUNCTION | IfcRepresentationItem |
| IfcStyledItem | ENTITY | IfcRepresentationItem |
| IfcSurface | ENTITY | IfcElementarySurface |
| IfcSurfaceCurve | ENTITY | IfcSurface |
| IfcSurfaceCurveSweptAreaSolid | ENTITY | IfcSurface |
| IfcSurfaceOfLinearExtrusion | ENTITY | IfcRepresentationItem |
| IfcSurfaceOfLinearExtrusion | ENTITY | IfcGeometricRepresentationItem |
| IfcSurfaceOfRevolution | ENTITY | IfcRepresentationItem |
| IfcSurfaceOfRevolution | ENTITY | IfcGeometricRepresentationItem |
| IfcSurfaceOrFaceSurface | SELECT | IfcSurface |
| IfcTopologyRepresentationTypes | FUNCTION | IfcRepresentationItem |
| IfcVectorDifference | FUNCTION | IfcGeometricRepresentationItem |
| IfcVectorDifference | FUNCTION | IfcRepresentationItem |
| IfcVectorSum | FUNCTION | IfcGeometricRepresentationItem |
| IfcVectorSum | FUNCTION | IfcRepresentationItem |