BuildingCoder.CmdListAllRooms.GetBoundingBox C# (CSharp) Метод

        static BoundingBoxXYZ GetBoundingBox(
            IList<IList<BoundarySegment>> boundary)
        {
            BoundingBoxXYZ bb = new BoundingBoxXYZ();
              double infinity = double.MaxValue;

              bb.Min = new XYZ( infinity, infinity, infinity );
              bb.Max = -bb.Min;

              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;
        }