At 07:51 AM 11/29/2002, Cristina Castaño/LABEIN and others wrote: > 1.- The walls are not conneted and there is a gap between them. > > 2.- The file don´t distinguish internal zones, so it considers only one. We > have read in the IFCtoIDF manual that this is a common mistake in the > conversion and we would like to know if there is any solution for this > problem.