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simon gladman
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146 followers
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"Sparse Vermiform" Rendering of Fluids with Pressure Based Color
This blog post discusses a technique for rendering SideFX Houdini FLIP fluids as sparse fields of wormlike particles (hence my slightly over-the-top Sparse Vermiform moniker) with their color based on the fluid system's gas pressure field. The project begin...

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Particle Advection by Gray Scott Reaction Diffusion Revisited
This post continues from my recent blog entry, Particle Advection by Reaction Diffusion in SideFX Houdini . In this project, I've done away with the VEX in the DOP network, and replaced it with a VDB Analysis node to create a vector field the represents the...

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Particle Advection by Reaction Diffusionin SideFX Houdini
After watching this excellent tutorial that discusses advecting particles by magnetic fields to create an animation of the sun, I was inspired to use the same technique to advect particles by fields that are a function of reaction diffusion systems .  The s...

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Revisiting Mitosis in SideFX Houdini
I played with animating mitosis in Houdini last year (see Simulating Mitosis in Houdini ), but the math wasn't quite right, so I thought I'd revisit my VEX to see if it could be improved. After some tinkering, the video above shows my latest (hopefully impr...

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Faux Grain / Fluid Interaction in Houdini
This post describes a simple way to create a system comprising of a regularly surfaced fluid and a faux grain system. The video above contains three clips using the same basic technique: creating a single point source for the FLIP SOP initial data but using...
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