private static Transform ToTransform(this IfcObjectPlacement placement)
{
if (placement.GetType() == typeof(IfcLocalPlacement))
{
var lp = (IfcLocalPlacement)placement;
var t = lp.ToTransform();
return(t);
}
else if (placement.GetType() == typeof(IfcGridPlacement))
{
throw new Exception("IfcGridPlacement conversion to Transform not supported.");
}
return(null);
}
public static XbimMatrix3D ToMatrix3D(this IfcObjectPlacement objPlace)
{
IfcLocalPlacement lp = objPlace as IfcLocalPlacement;
if (lp != null)
{
XbimMatrix3D local = lp.RelativePlacement.ToMatrix3D();
if (lp.PlacementRelTo != null)
{
return(local * lp.PlacementRelTo.ToMatrix3D());
}
else
{
return(local);
}
}
else
{
throw new NotImplementedException(String.Format("Placement of type {0} is not implemented", objPlace.GetType().Name));
}
}