oat Posted March 29, 2010 Share Posted March 29, 2010 please see the attached houdini file. Purpose: use the cookie node to get just the part of the concave polygon that lies inside the box Problem: the result is weird because some parts of the concave sharp outside the box is not subtracted and some strange triangular connecting point 6, 15, 16 is also created from nowhere inside the box... the convex polygon seems alright in these nodes... should i do something to the concave polygon before connecting it to the boolean cookie node? thanks! concave_boolean_error3_184.hipnc Quote Link to comment Share on other sites More sharing options...
ben Posted March 29, 2010 Share Posted March 29, 2010 Just add a Facet after your Polyextrude and check pre-compute normals. Quote Link to comment Share on other sites More sharing options...
oat Posted March 30, 2010 Author Share Posted March 30, 2010 Just add a Facet after your Polyextrude and check pre-compute normals. got it! thank you very much, ben! Quote Link to comment Share on other sites More sharing options...
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