garf Posted January 11, 2018 Share Posted January 11, 2018 I'm trying to add some detail to a smoke sim - logically it feels like I should be able to displace/multiply noise into the density using the rest field but I don't know how to use it in the volume vop. Can someone give me some clues? Quote Link to comment Share on other sites More sharing options...
toadstorm Posted January 12, 2018 Share Posted January 12, 2018 Take a look inside the Pyro Shader... they're using Dual Rest in there internally. It looks like you're running an older version of Houdini, but in 16.0 at least, there's a VOP called the Dual Rest Solver, which handles a lot of things for you. It outputs a struct-type channel called "dualrest" which the Unified Noise VOP is capable of reading natively. In previous versions the exact implementation might be a little different, but the Pyro Shader is still the standard model you should be looking at. Quote Link to comment Share on other sites More sharing options...
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