breadbox Posted January 11, 2017 Share Posted January 11, 2017 I'm trying to understand the VDB Advect SDF SOP better and there is unfortunately no example in the help card. What I am looking to do is advect one volume by another volume. Attached is my working file so far, if anyone can point me in the right direction would appreciate it. AdvectVolumebyVolume.hipnc Quote Link to comment Share on other sites More sharing options...
derjcmp Posted January 11, 2017 Share Posted January 11, 2017 I don't have houdini with me right now. But Im pretty sure that nodes gives you the same results as the volumeTrail SOP Quote Link to comment Share on other sites More sharing options...
breadbox Posted January 11, 2017 Author Share Posted January 11, 2017 To be clear, I'm not trying to advect POINTS... I'm trying to advect a VOLUME, with another volume. Quote Link to comment Share on other sites More sharing options...
loudsubs Posted January 12, 2017 Share Posted January 12, 2017 The volume being advected needs to be an SDF. You had it set to fog, and then you were converting it to a regular Houdini volume. Needs to be a VDB, to work with the VDB advect node. AdvectVolumebyVolume1.hipnc 4 Quote Link to comment Share on other sites More sharing options...
ParticleSkull Posted June 23, 2017 Share Posted June 23, 2017 Thx for he file, @loudsubs!! It helped me a lot Quote Link to comment Share on other sites More sharing options...
breadbox Posted July 10, 2017 Author Share Posted July 10, 2017 Ya, great one @loudsubs. Thanks for putting it in the solver too, you read my mind! Quote Link to comment Share on other sites More sharing options...
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