toms200 Posted March 21, 2012 Share Posted March 21, 2012 I am trying to use the site modeling method described in Architectural Visualization by Smith. He converts AutoCad linework to editable splines. Then he attaches multiple splines, applies extrude modifer, and booleans to cut/split roads and parking lots. I cant get the CAD line work to extrude as a volume. The CAD lines are clean and closed polylines. When I draw splines in Max the procedure works. What is up with the splines from CAD? Line work - circles are drawn in max [ATTACH=CONFIG]47321[/ATTACH] extrusions [ATTACH=CONFIG]47320[/ATTACH] Link to comment Share on other sites More sharing options...
ragavang Posted March 21, 2012 Share Posted March 21, 2012 thanks for the kind explanation... its very useful for me!!!!!!!! good!!!!!!!!! Link to comment Share on other sites More sharing options...
Corey Beaulieu Posted March 21, 2012 Share Posted March 21, 2012 did you select all vertex and weld them? Link to comment Share on other sites More sharing options...
jcaddy Posted March 21, 2012 Share Posted March 21, 2012 If everything is welded, delete some verts on those curves. Splines won't extrude properly if verts are too close together some times. Link to comment Share on other sites More sharing options...
toms200 Posted March 21, 2012 Author Share Posted March 21, 2012 Thanks. I had autoweld on and thought that covered it. Manually adjusting the weld distance worked. Link to comment Share on other sites More sharing options...
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