IFC Translator Conversion Settings for IFC Export
Andrea Polgar
Graphisoft
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on 2017-01-26 03:54 PM
Geometry Conversion Methodology
What is BREP?
BREP is short for Boundary Representation. A BREP reproduces the precise geometry when exporting IFC files. BREP geometries will include Solid Element Operations, Trims, Crops, etc from the ARCHICAD model.
Limitations of BREP
- Non editable elements (object based)
- Some parameters are lost
Example of an ARCHICAD IFC exported as BREP (Revit 2016).
Extruded/Revolved Geometries
Example of an ARCHICAD IFC exported as Extruded/Revolved geometries (Revit 2016). With the extruded/revolved geometry method, elements edited with Solid Element Operations will be exported according to their original definition geometry – as for example on this image.
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