Umm... Should be able to handle it without any problems. I had a model with over 4 million points and it did it in few minutes. However, the new RiverCAD XP is able to restrict the data extraction to where the model domain is.
Let me know if you still are running into problems.
Chris E. Maeder, M.S., P.E.
Senior Technical Engineer
chris.maeder@bossintl.com