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ksj

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About ksj

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    KS
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    United Kingdom
  1. Also tried changing activation in the source, gives the same effect.But is there anyway to have my particles disappear the same way as smoke does?
  2. Thank you so much!Advection is working fine.Thank you once again!
  3. Hi, Thank you for this forum.I need a little help from you guys.I am advecting particles by volume of smoke.I animated the scale source volume in the source density to detach smoke from the source and disperse the remaining one.Kind of a gradual fade out effect.How can I have particles disappear the same way?Currently they keep going.Any way to map the data of scalar volume to say alpha of the particles? Or is there any other way? Thank you.
  4. Hi, I am having some problem creating sharp and thin smoke using wispy smoke.I am a new user and not very proficient at Houdini but I have been trying on my own, gathering information from the forum. In a nutshell, I am trying the effect of a woman emitting smoke from her body.For this I shot the model on green screen, extracted the key and used the trace and scatter sop in Houdini.I have set my simulation.Since I wanted fine smoke, with more details, sharpness and crispness, I searched for the 'how to' get that and came across the 'ink effect' technique using millions of particles. I advected my particles with simulation, however, I think I am missing something.It is not retaining the shape of my sim.My idea is to use the technique to add finer details. Could you kindly take a look at my hipnc file and tell me what am I doing wrong?Is it that smoke is too thick with too many scattered points or am I doing something wrong in the particle network?Or may be there is a way to achieve what I want without getting into particles? I have intentionally reduced the number of particles temporarily. * Also is there any way to control opacity of particles with the sim density? The files below include the hipnc file, a few frames of alpha keys to be loaded into the trace sops, and a few frames of advection test render.This for some reason didn't let me attach the zip file so I am using dropbox. https://dl.dropboxusercontent.com/u/42878955/wispysmoke_advection.zip Thank you for your help.
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