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POP Shading

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Hi Everybody,

I'm new to particles in Houdini and I would gladly appreciate some help of fundemental concepts of POPS/shading

For what I have understood, most of the time you generate i3d that you map again on a volumetric shader (VEX 3d texture fog), so how do you edit your 3d texture ? let's say add some turbulence, change luminosity on Y axis, etc ... Is it possible to create custom 3d texture fog with VEX builder ?

Is the pipeline POP -> VEX CLOUD -> I3D -> VEX 3d texture FOG, the standard way to shade particles ?

Thanks in advance


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