IFC 4.3.2.20240423 (IFC4X3_ADD2) under development

4.2.8.3.1.1 Circle Hollow Profile Definition

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

G IfcCircleHollowProfileDef IfcCircleHollowProfileDef 1. ProfileType [1:1] 2. ProfileName [0:1]      HasExternalReference [0:?]      HasProperties [0:?] 3. Position [0:1] 4. Radius [1:1] 5. WallThickness [1:1] IfcProfileTypeEnum IfcProfileTypeEnum IfcCircleHollowProfileDef:ProfileType1->IfcProfileTypeEnum:IfcProfileTypeEnum0 IfcLabel IfcLabel IfcCircleHollowProfileDef:ProfileName1->IfcLabel:IfcLabel0 IfcAxis2Placement2D IfcAxis2Placement2D      LayerAssignment [0:1]      StyledByItem [0:1] 1. Location [1:1] 2. RefDirection [0:1] IfcCircleHollowProfileDef:Position1->IfcAxis2Placement2D:IfcAxis2Placement2D0 IfcPositiveLengthMeasure_0 IfcPositiveLengthMeasure IfcCircleHollowProfileDef:Radius1->IfcPositiveLengthMeasure_0:IfcPositiveLengthMeasure0 IfcPositiveLengthMeasure_1 IfcPositiveLengthMeasure IfcCircleHollowProfileDef:WallThickness1->IfcPositiveLengthMeasure_1:IfcPositiveLengthMeasure0 IfcCartesianPoint IfcCartesianPoint      LayerAssignment [0:1]      StyledByItem [0:1] 1. Coordinates [1:3] IfcAxis2Placement2D:Location1->IfcCartesianPoint:IfcCartesianPoint0 IfcDirection IfcDirection      LayerAssignment [0:1]      StyledByItem [0:1] 1. DirectionRatios [2:3] IfcAxis2Placement2D:RefDirection1->IfcDirection:IfcDirection0
Figure 4.2.8.3.1.1.A

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