When connected to IFC file, it will appear at the bottom of the main dRofus window and will show which type it is. You can always disconnect by selecting from the menu dRofus-> Room-> BIM → IFC → Close IFC file .
When connected to IFC file, it will appear at the bottom of the main dRofus window and will show which type it is. You can always disconnect by selecting from the menu dRofus-> Room-> BIM → IFC → Close IFC file .