E.3.2 Cube advanced Brep

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IfcAdvancedBrep
IfcBuildingElementProxy
IfcShapeRepresentation

The advanced brep representation using NURBS is shown in Figure 418. It shows a twisted cube resulting in b-spline surfaces at four sides. The cube itself is exported as a proxy element.

 

advanced_brep_1.png advanced_brep_2.png
advanced_brep_3.png advanced_brep_4.png

Figure 418 — Advanced shape represented as advanced Brep

 
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