in the ‘door selection settings’ it is not possible to provide a corner connection as is possible in the window settings. Hopefully, this will be provided in a next Archicad version     

What would also be convenient in Archicad (and this is possible in Revit), is that you can draw a local “region view” in the floor plans where you can set the “floor plan cut plane settings” separately for this “region view”. (Useful for example if there are windows drawn at...