pyrochlore Posted August 27, 2013 Share Posted August 27, 2013 (edited) Hi all, I want to write a SOP that can pull out points on curves in a closed object. The first step is to test if the point inside or outside that object. I have searched HDK and did not find any function to do this. Could you give me some hint on how to do this in Houdini? Edited August 27, 2013 by pyrochlore Quote Link to comment Share on other sites More sharing options...
kleer001 Posted August 27, 2013 Share Posted August 27, 2013 Ray SOP ? Quote Link to comment Share on other sites More sharing options...
sabotage Posted August 27, 2013 Share Posted August 27, 2013 You can try using IntersectRay http://www.sidefx.com/docs/hdk12.5/class_g_u___detail.html#d46007916194b455497cd8673f1c1f66 Quote Link to comment Share on other sites More sharing options...
Pazuzu Posted August 28, 2013 Share Posted August 28, 2013 Or use a sign distance field of the object to do the test. Quote Link to comment Share on other sites More sharing options...
Ratman Posted August 29, 2013 Share Posted August 29, 2013 I don't think you guys get what HDK means :-P Sabotage is right tho. Quote Link to comment Share on other sites More sharing options...
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