IFC 4.3.0.1 (IFC4X3) development

4.7.1.4.5.2 Extruded Area Tapered Geometry

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

G IfcExtrudedAreaSolidTapered IfcExtrudedAreaSolidTapered      LayerAssignment [0:1]      StyledByItem [0:1] Profile 1. SweptArea [1:1] 2. Position [0:1] 3. ExtrudedDirection [1:1] 4. Depth [1:1] 5. EndSweptArea [1:1] IfcProfileDef IfcProfileDef 1. ProfileType [1:1] 2. ProfileName [0:1]      HasExternalReference [0:?]      HasProperties [0:?] IfcExtrudedAreaSolidTapered:SweptArea1->IfcProfileDef:IfcProfileDef0 IfcStyledItem IfcStyledItem      LayerAssignment [0:1]      StyledByItem [0:1] 1. Item [0:1] 2. Styles [1:?] 3. Name [0:1] IfcExtrudedAreaSolidTapered:StyledByItem1->IfcStyledItem:Item0 IfcAxis2Placement3D IfcAxis2Placement3D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. Axis [0:1] 3. RefDirection [0:1] IfcExtrudedAreaSolidTapered:Position1->IfcAxis2Placement3D:IfcAxis2Placement3D0 IfcDirection_2 IfcDirection      LayerAssignment [0:1]      StyledByItem [0:1] 1. DirectionRatios [2:3] IfcExtrudedAreaSolidTapered:ExtrudedDirection1->IfcDirection_2:IfcDirection0 IfcPositiveLengthMeasure IfcPositiveLengthMeasure IfcExtrudedAreaSolidTapered:Depth1->IfcPositiveLengthMeasure:IfcPositiveLengthMeasure0 IfcLabel IfcLabel IfcStyledItem:Name1->IfcLabel:IfcLabel0 IfcSurfaceStyle IfcSurfaceStyle 1. Name [0:1] 2. Side [1:1] 3. Styles [1:5] IfcStyledItem:Styles1->IfcSurfaceStyle:IfcSurfaceStyle0 IfcCartesianPoint IfcCartesianPoint      LayerAssignment [0:1]      StyledByItem [0:1] 1. Coordinates [1:3] IfcAxis2Placement3D:Location1->IfcCartesianPoint:IfcCartesianPoint0 IfcDirection_0 IfcDirection      LayerAssignment [0:1]      StyledByItem [0:1] 1. DirectionRatios [2:3] IfcAxis2Placement3D:Axis1->IfcDirection_0:IfcDirection0 IfcDirection_1 IfcDirection      LayerAssignment [0:1]      StyledByItem [0:1] 1. DirectionRatios [2:3] IfcAxis2Placement3D:RefDirection1->IfcDirection_1:IfcDirection0
Figure 4.7.1.4.5.2.A

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