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IFC4 RV - How to export elements with closed body containing inner voids

rv
ifc4
#1

Hi,

ifcfacetedbrepwithvoids are out of scope in IFC4 RV 1.2

http://www.buildingsmart-tech.org/ifc/IFC4/Add2TC1/html/link/ifcfacetedbrepwithvoids.htm

Option is skip closed shells of voids during IFC4 RV export. But this is data loss! Volume will be also invalid.