Figure 12 — Body Geometry
Elements may have a 'Body' representation describing the volumetric shape of the object. Such representation may be used for 3D rendering or quantity take-off. Geometry may be based on boundary representations describing outer faces, primitives such as spheres or cones, swept solids such as profile extrusions or revolutions, Constructive Solid Geometry (CSG) such as clippings or subtractions of other shapes, or Non-Uniform Rational B-Spline (NURBS) geometry. Surface styles may indicate particular colors, textures, and reflectance for 3D rendering.
Figure 12 illustrates an instance diagram.
|
Figure 12 — Body Geometry |
| Entity |  |
|---|---|
| IfcColumn | R R |
| IfcMember | R R |
| IfcPlate | R R |
| IfcRailing | R R |
| IfcStairFlight | R R |
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