/// <summary>
/// Return bounding box calculated from the room
/// boundary segments. The lower left corner turns
/// out to be identical with the one returned by
/// the standard room bounding box.
/// </summary>
static BoundingBoxXYZ GetBoundingBox(
IList <IList <BoundarySegment> > boundary)
{
BoundingBoxXYZ bb = new BoundingBoxXYZ();
bb.Clear();
foreach (IList <BoundarySegment> loop in boundary)
{
foreach (BoundarySegment seg in loop)
{
Curve c = seg.GetCurve();
IList <XYZ> pts = c.Tessellate();
foreach (XYZ p in pts)
{
bb.ExpandToContain(p);
}
}
}
return(bb);
}