IFC 4.4.0.0 build 20261005 (IFC4X4_DEV_20260525) ⚠ buildingSMART Working Draft. All content is under development.

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8.7.2.8 IfcSurfaceOrFaceSurface

8.7.2.8.1 Semantic definition

IfcSurfaceOrFaceSurface provides the option to either select a geometric surface (IfcSurface and subtypes) within a geometric model, or a face with associated surface geometry and coordinates (IfcFaceSurface) within a topological model.

8.7.2.8.2 Type values

Type
IfcFaceBasedSurfaceModel
IfcFaceSurface
IfcSurface
Table A

8.7.2.8.3 Formal representation

TYPE IfcSurfaceOrFaceSurface = SELECT
(IfcFaceBasedSurfaceModel
,IfcFaceSurface
,IfcSurface);
END_TYPE;

8.7.2.8.4 References

Edit on Github

3 contributor(s): ArturTomczakbSI-BotDion Moult
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

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