Hi,
When I render floor plans using the example they appear off camera.
In my model IFCBuilding.ObjectPlacement.PlacementRelTo.RelativePlacement.Location is a:
IFCCARTESIANPOINT((171203.197687553,-52054.579108869,125118.7318687));
I guess these get used in the generating of the floor plans (even though I am centering the model in the viewer). If I change this to 0,0,0 it works fine
Cheers,
Tom