IFC 4.3.0.1 (IFC4X3_TC1)

4.7.1.5.4.3 Triangulated Geometry

The following diagram shows the generic classes and relationships used when applying this concept.

G IfcTriangulatedFaceSet 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:?] IfcCartesianPointList3D IfcCartesianPointList3D      LayerAssignment [0:1]      StyledByItem [0:1] 1. CoordList [1:?] 2. TagList [1:?] IfcTriangulatedFaceSet:Coordinates1->IfcCartesianPointList3D:IfcCartesianPointList3D0 IfcParameterValue IfcParameterValue IfcTriangulatedFaceSet:Normals1->IfcParameterValue:IfcParameterValue0 IfcBoolean IfcBoolean IfcTriangulatedFaceSet:Closed1->IfcBoolean:IfcBoolean0 IfcPositiveInteger_0 IfcPositiveInteger IfcTriangulatedFaceSet:CoordIndex1->IfcPositiveInteger_0:IfcPositiveInteger0 IfcPositiveInteger_1 IfcPositiveInteger IfcTriangulatedFaceSet:PnIndex1->IfcPositiveInteger_1:IfcPositiveInteger0 IfcIndexedColourMap IfcIndexedColourMap 1. MappedTo [1:1] 2. Opacity [0:1] 3. Colours [1:1] 4. ColourIndex [1:?] IfcTriangulatedFaceSet:HasColours1->IfcIndexedColourMap:MappedTo0 IfcLengthMeasure IfcLengthMeasure IfcCartesianPointList3D:CoordList1->IfcLengthMeasure:IfcLengthMeasure0 IfcColourRgbList IfcColourRgbList 1. ColourList [1:?] IfcIndexedColourMap:Colours1->IfcColourRgbList:IfcColourRgbList0 IfcPositiveInteger_2 IfcPositiveInteger IfcIndexedColourMap:ColourIndex1->IfcPositiveInteger_2:IfcPositiveInteger0 IfcNormalisedRatioMeasure_1 IfcNormalisedRatioMeasure IfcIndexedColourMap:Opacity1->IfcNormalisedRatioMeasure_1:IfcNormalisedRatioMeasure0 IfcNormalisedRatioMeasure_0 IfcNormalisedRatioMeasure IfcColourRgbList:ColourList1->IfcNormalisedRatioMeasure_0:IfcNormalisedRatioMeasure0
Figure 4.7.1.5.4.3.A