When exporting ifc and the base quantities according to the ifc-standard GrossSideArea exports as NetSideArea and GrossVolume as NetVolume? The value is correct but the label is wrong, so Revit 2020 exports twice NetSideArea and NetVolume when it should be NetSideArea, GrossSideArea and NetVolume, GrossVolume...
Anyone more that have this issue?
#1171891= IFCWALLSTANDARDCASE('2b1ZQeFaDC9R7SsjWQw5cB',#42,'Basic Wall:Gyproc XR 95/95 (450) NN-NX M0, EI 60:1835643',$,'Basic Wall:Gyproc XR 95/95 (450) NN-NX M0, EI 60',#1171869,#1171887,'1835643');
#1171894= IFCQUANTITYLENGTH('Height',$,$,3680.);
#1171895= IFCQUANTITYLENGTH('Length',$,$,4649.xxx-xxxxxxxx);
#1171896= IFCQUANTITYLENGTH('Width',$,$,145.);
#1171897= IFCQUANTITYAREA('GrossFootprintArea',$,$,0.674249999998985);
#1171898= IFCQUANTITYVOLUME('NetVolume',$,$,2481239999.99624);
#1171899= IFCQUANTITYAREA('NetSideArea',$,$,17111999.9999741);
#1171900= IFCQUANTITYAREA('NetSideArea',$,$,12.659899999974);
#1171901= IFCQUANTITYVOLUME('NetVolume',$,$,1.83568549999625);
#1171902= IFCELEMENTQUANTITY('2SVKzTKhLAX9tiEmn9j1q$',#42,'BaseQuantities',$,$,(#1171894,#1171895,#1171896,#1171897,#1171898,#1171899,#1171900,#1171901));
#1171904= IFCRELDEFINESBYPROPERTIES('08rnQBy056GvBs7YvAdJiW',#42,$,$,(#1171891),#1171902);
The Development Team at Autodesk has confirmed that is a bug and they are currently working on it.
I haven´t received any info that the problem is fixed yet.
looks like this issue still hasnt been resolved in Revit 2020 but looks ok in Revit 2021
https://github.com/Autodesk/revit-ifc/issues/198
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