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Post your wishes about Graphisoft products: Archicad, BIMx, BIMcloud, and DDScad.

GDL: REQUEST ( "Floor Plan Cut Plane" )


The current function GLOB_CUTPLANES_INFO can deliver unexpected results and is incapable of delivering the relevant values to carry out correct top & bottom cropping of GDL Objects on plan. Examples of this can be seen in various sloping GS supplied objects including Rafters.


In order to enable correct presentation on plan, assuming a GLOB value is not available, a simple solution would be to enable a REQUEST function to make all the values in the current story Floor Plan Cut Plane settings available as an array including the number of stories above and below the current story and their local offset values.

Apple iMac Intel i9 / macOS Sonoma / AC27UKI (most recent builds.. if they work)
Barry Kelly

Original discussion leading to this wish can be found here...



One of the forum moderators.
Versions 6.5 to 27
i7-10700 @ 2.9Ghz, 32GB ram, GeForce RTX 2060 (6GB), Windows 10
Lenovo Thinkpad - i7-1270P 2.20 GHz, 32GB RAM, Nvidia T550, Windows 11