IFC 4.3.2.20251105 (IFC4X3_ADD2) under development

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4.1.8.1.2.4 Type Body Tessellated Geometry

The following diagram shows the generic classes and relationships used when applying this concept. In addition, concepts may have particular importance to common or standardised industry practices and scenarios. For these specific usage scenarios, the table below shows a recommended list of general usage patterns that users may adopt.

G <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcElementType.htm'>IfcElementType</a> IfcElementType 1. GlobalId [1:1] 2. OwnerHistory [0:1] 3. Name [0:1] 4. Description [0:1]      HasAssignments [0:?]      Nests [0:1]      IsNestedBy [0:?]      HasContext [0:1]      IsDecomposedBy [0:?]      Decomposes [0:1]      HasAssociations [0:?] 5. ApplicableOccurrence [0:1] 6. HasPropertySets [1:?]      Types [0:1] 7. RepresentationMaps [1:?] 8. Tag [0:1]      ReferencedBy [0:?] 9. ElementType [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRepresentationMap.htm'>IfcRepresentationMap</a> IfcRepresentationMap 1. MappingOrigin [1:1] 2. MappedRepresentation [1:1]      HasShapeAspects [0:?]      MapUsage [0:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcElementType.htm'>IfcElementType</a>:RepresentationMaps1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRepresentationMap.htm'>IfcRepresentationMap</a>:IfcRepresentationMap0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a> IfcShapeRepresentation 1. ContextOfItems [1:1] 2. RepresentationIdentifier [0:1] 3. RepresentationType [0:1] Geometry 4. Items [1:?]      RepresentationMap [0:1]      LayerAssignments [0:?]      OfProductRepresentation [0:?]      OfShapeAspect [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRepresentationMap.htm'>IfcRepresentationMap</a>:MappedRepresentation1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a>:IfcShapeRepresentation0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAxis2Placement3D.htm'>IfcAxis2Placement3D</a> IfcAxis2Placement3D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. Axis [0:1] 3. RefDirection [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRepresentationMap.htm'>IfcRepresentationMap</a>:MappingOrigin1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAxis2Placement3D.htm'>IfcAxis2Placement3D</a>:IfcAxis2Placement3D0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAxis2Placement2D.htm'>IfcAxis2Placement2D</a> IfcAxis2Placement2D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. RefDirection [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcRepresentationMap.htm'>IfcRepresentationMap</a>:MappingOrigin1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcAxis2Placement2D.htm'>IfcAxis2Placement2D</a>:IfcAxis2Placement2D0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcGeometricRepresentationContext.htm'>IfcGeometricRepresentationContext</a> IfcGeometricRepresentationContext 1. ContextIdentifier [0:1] 2. ContextType [0:1]      RepresentationsInContext [0:?] 3. CoordinateSpaceDimension [1:1] 4. Precision [0:1] 5. WorldCoordinateSystem [1:1] 6. TrueNorth [0:1]      HasSubContexts [0:?]      HasCoordinateOperation [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a>:ContextOfItems1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcGeometricRepresentationContext.htm'>IfcGeometricRepresentationContext</a>:IfcGeometricRepresentationContext0 IfcLabel_0 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a>:RepresentationIdentifier1->IfcLabel_0:IfcLabel0 IfcLabel_1 IfcLabel <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a>:RepresentationType1->IfcLabel_1:IfcLabel0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a> IfcTriangulatedFaceSet      LayerAssignment [0:1]      StyledByItem [0:1] 1. Coordinates [1:1]      HasColours [0:1]      HasTextures [0:?] 2. Normals [1:?] 3. Closed [0:1] 4. CoordIndex [1:?] 5. PnIndex [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm'>IfcShapeRepresentation</a>:Items1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:IfcTriangulatedFaceSet0 constraint_0 ='Surface' IfcLabel_0->constraint_0 constraint_1 ='Tessellation' IfcLabel_1->constraint_1 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCartesianPointList3D.htm'>IfcCartesianPointList3D</a> IfcCartesianPointList3D      LayerAssignment [0:1]      StyledByItem [0:1] 1. CoordList [1:?] 2. TagList [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:Coordinates1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCartesianPointList3D.htm'>IfcCartesianPointList3D</a>:IfcCartesianPointList3D0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcParameterValue.htm'>IfcParameterValue</a> IfcParameterValue <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:Normals1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcParameterValue.htm'>IfcParameterValue</a>:IfcParameterValue0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedColourMap.htm'>IfcIndexedColourMap</a> IfcIndexedColourMap 1. MappedTo [1:1] 2. Opacity [0:1] 3. Colours [1:1] 4. ColourIndex [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:HasColours1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedColourMap.htm'>IfcIndexedColourMap</a>:MappedTo0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedTriangleTextureMap.htm'>IfcIndexedTriangleTextureMap</a> IfcIndexedTriangleTextureMap 1. Maps [1:?] 2. MappedTo [1:1] 3. TexCoords [1:1] 4. TexCoordIndex [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:HasTextures1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedTriangleTextureMap.htm'>IfcIndexedTriangleTextureMap</a>:MappedTo0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcStyledItem.htm'>IfcStyledItem</a> IfcStyledItem      LayerAssignment [0:1]      StyledByItem [0:1] 1. Item [0:1] 2. Styles [1:?] 3. Name [0:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcTriangulatedFaceSet.htm'>IfcTriangulatedFaceSet</a>:StyledByItem1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcStyledItem.htm'>IfcStyledItem</a>:Item0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcLengthMeasure.htm'>IfcLengthMeasure</a> IfcLengthMeasure <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcCartesianPointList3D.htm'>IfcCartesianPointList3D</a>:CoordList1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcLengthMeasure.htm'>IfcLengthMeasure</a>:IfcLengthMeasure0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcColourRgbList.htm'>IfcColourRgbList</a> IfcColourRgbList 1. ColourList [1:?] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedColourMap.htm'>IfcIndexedColourMap</a>:Colours1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcColourRgbList.htm'>IfcColourRgbList</a>:IfcColourRgbList0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcImageTexture.htm'>IfcImageTexture</a> IfcImageTexture 1. RepeatS [1:1] 2. RepeatT [1:1] 3. Mode [0:1] 4. TextureTransform [0:1] 5. Parameter [1:?]      IsMappedBy [0:?]      UsedInStyles [0:?] 6. URLReference [1:1] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcIndexedTriangleTextureMap.htm'>IfcIndexedTriangleTextureMap</a>:Maps1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcImageTexture.htm'>IfcImageTexture</a>:IfcImageTexture0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSurfaceStyle.htm'>IfcSurfaceStyle</a> IfcSurfaceStyle 1. Name [0:1] 2. Side [1:1] 3. Styles [1:5] <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcStyledItem.htm'>IfcStyledItem</a>:Styles1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSurfaceStyle.htm'>IfcSurfaceStyle</a>:IfcSurfaceStyle0 <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcNormalisedRatioMeasure.htm'>IfcNormalisedRatioMeasure</a> IfcNormalisedRatioMeasure <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcColourRgbList.htm'>IfcColourRgbList</a>:ColourList1-><a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcNormalisedRatioMeasure.htm'>IfcNormalisedRatioMeasure</a>:IfcNormalisedRatioMeasure0 Image_Texture Image Texture <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcImageTexture.htm'>IfcImageTexture</a>->Image_Texture Surface_Color_Style Surface Color Style <a href='/IFC/RELEASE/IFC4x3/HTML/lexical/IfcSurfaceStyle.htm'>IfcSurfaceStyle</a>->Surface_Color_Style
Figure 4.1.8.1.2.4.A

General Usage

ApplicableEntity
IfcElementType
Table 4.1.8.1.2.4.B

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