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953u6015t

Smoke Solver | Tips and Tricks

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On 9/23/2017 at 8:43 PM, 953u6015t said:

Few tips and tricks to manipulate gas simulation.

1. Independent resolution grid. E.g. Overriding vel grid size independent to a density grid.

2. Creating additional utilities. E.g. gradient, speed, vorticity and etc which can be used to manipulate forces.

3. Forces via VEX and some example snippets.

smokesolver_v1.hipnc

P.S. Some of this technique are not Open CL friendly though.

 

result.1.jpg


Thanks a bunch for the detailed setup!

Im genuinely curious, where does one start if they want to learn these things?

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Subjective question, at least this how I started:

1. Shelf tools, learn the basics and concepts.

2. Dive into DOPs OTLs/HDAs and look around to see how they are implemented. My examples are just a product of what those Side Effects guys implemented.

3. Read Houdini's documentation.

4. Be inspired by all the test that posted on Vimeo/YouTube that doesn't look like off the shelf imagery.

 

Edited by 953u6015t
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It would be grate if you paste explanation in your custom stuff to fast understand what happen there))

But anyway thanks for sharing.

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Good point. Something I have to improvise I guess. Initially I wanted to but was lazy, easier to put a setup than writing. I'll consider in future though!

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Awesome files, little notes in them would add a lot, but hey you took the time to make these for everyone so thanks!

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