Toposurface creat problem

[Jayanta Nath]

Hi Dear Scott Davis and any one,

can you help me how do i do. i have a autocad drawing file with no contour line but have point with z axis from the survey firm. When i am trying to creat toposurface from used imported-->Import Instance with selecting proper layer of point. But toposurface dose not creat.

jayanta nath
India,calcutta

[Dimitri Harvalias]

Welcome Jayanta.
This is a known issue in Revit. You must first convert the points in the ACAD file to a line or circle so Revit can recognize them. The LISP routine attached will do this.
Check out this thread for the full discussion.
http://forums.augi.com/showthread.php?t=36503&highlight=acad+point+line+topo+lisp