crick Posted June 30, 2015 Share Posted June 30, 2015 Dear Houdini Artists Coming from Softimage I quite immersed in to Houdini for a project about creating clouds. So far I setup a POP simulation. Then I use the "vdb from particles" node to create fog vdb's and later pipe it trough cloud noise. Now I am struggling with flickering when using velocity trail as particle footprint. I also see the problem: The trail particles are following the rotation from the lead particle, thus resulting in a erratic behavior. The thing is it would look awesome if I could get the velocity trails to work. Am I missing something here? Any hints? Thanks Crick Quote Link to comment Share on other sites More sharing options...
pbarua Posted June 30, 2015 Share Posted June 30, 2015 Are you using ID for trialling? Quote Link to comment Share on other sites More sharing options...
crick Posted June 30, 2015 Author Share Posted June 30, 2015 Hey Thanks for pointing this out. Is this possible with vdb? If I create a vdb form ID attribute it is somehow not a level set grid... Maybe better to use trail sop in the Particle sim directly? Quote Link to comment Share on other sites More sharing options...
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