substep Posted May 10, 2013 Share Posted May 10, 2013 Hey Guys, I did some searching on this, and I'm still kinda unclear on the best way to do this. In Maya, it's quite simple, create a cluster and constrain the cluster to a null. I imagine it's somewhat similar in Houdini, but I'm lost. any help would be awesome. Thanks! Quote Link to comment Share on other sites More sharing options...
bloomendale Posted May 10, 2013 Share Posted May 10, 2013 You can add point sop to curve object and use something like ch("/obj/null" + "`$PT+1`" + "/tx") ch("/obj/null" + "`$PT+1`" + "/ty") ch("/obj/null" + "`$PT+1`" + "/tz") in position parameter. This will "link" every point of the curve with corresponding null object position (point with $PT==0 with null1 object and so on). Quote Link to comment Share on other sites More sharing options...
substep Posted May 10, 2013 Author Share Posted May 10, 2013 (edited) Hi, This make sense looking at it, But I guess I'm unable to get it working in H. Do I need a point sop for each point on the curve? In my scene below, I've basically just added the expression you typed into a point sop's position XYZ, with replacing the null name of course, but it doesn't seem to work for me Please let me know what I'm doing wrong, I love "ah haa" moments Curve_01.hip Edited May 10, 2013 by substep Quote Link to comment Share on other sites More sharing options...
bloomendale Posted May 10, 2013 Share Posted May 10, 2013 I use names of the null nodes to get access to their position. So they are named sequentially. 3ak_curveToNulls.hipnc 1 Quote Link to comment Share on other sites More sharing options...
substep Posted May 10, 2013 Author Share Posted May 10, 2013 ah, that makes sense. I think I understand it now. many thanks for your help! Quote Link to comment Share on other sites More sharing options...
sanostol Posted May 10, 2013 Share Posted May 10, 2013 some more ways, just for fun curveToNulls.hipnc 1 Quote Link to comment Share on other sites More sharing options...
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