nicoladanese Posted January 15, 2019 Share Posted January 15, 2019 hey! I'm trying to apply gas turbulence based on the velocity of my volume, what I want is turbulence only where the volume has some velocity, but I can't make it work although it seems pretty straightforward (see image attached) Quote Link to comment Share on other sites More sharing options...
evanrudefx Posted January 15, 2019 Share Posted January 15, 2019 I think the control field needs to be a scalar field. You can use a gas match field and gas analysis to do this. I included a .hip file vel_turbulence.hip 2 Quote Link to comment Share on other sites More sharing options...
nicoladanese Posted January 15, 2019 Author Share Posted January 15, 2019 hey Evan works perfectly! thanks! Quote Link to comment Share on other sites More sharing options...
merlino Posted January 15, 2019 Share Posted January 15, 2019 If you're not using OpenCL you can also enable the asset modification, find the "forcescale" binding and set it as "vector" type. Then put a length node after it. This way you can leave "vel" as control field. 1 Quote Link to comment Share on other sites More sharing options...
evanrudefx Posted January 15, 2019 Share Posted January 15, 2019 oh yea, good idea. Quote Link to comment Share on other sites More sharing options...
nicoladanese Posted January 16, 2019 Author Share Posted January 16, 2019 thanks a lot Marco! Quote Link to comment Share on other sites More sharing options...
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