Scott Keating

ScottKeating

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Scott Keating is a production specialist at SideFX specializing in the user experience needs of Houdini artists. He is also an award-winning commercial illustrator, designer, and comic-book artist and his work has been published worldwide, in magazines, books, comics, and commercial products.

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My Talks

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Lighting and Rendering
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Rigging and Muscles
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Houdini 16 for Games
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Thinking Procedurally
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Intro to VFX
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Houdini for VR

My Tutorials

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Mantra User Guide
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PyroFX | Volcano
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Mantra Waterfall Render
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FLIP Fluid Waterfall

Recent Forum Posts

Poly Subdivide but Leave UV's Alone? June 12, 2018, 5:26 p.m.

On the Subdivide SOP, there is an option near the bottom of the parameters called ‘Vertex Attributes’. Assuming your UV's are vertex attributes, you can set how the values are interpreted after subdivision in this menu.

The method you're looking for is probably ‘linear everywhere’ which simply adds the subdivision without affecting the UV attributes at all. Potentially, you may instead want ‘Sharpen Boundaries’ which will leave the boundaries alone but allow some deformation of the interior UV values.

Cheers,
Scott

Clustered pyro sim skips some instances May 16, 2012, 5:11 p.m.

Hmm,

Its also possible that you'll need to switch to Reize Static, rather than dynamic.

Then make sure the final size/position of the containers are stored on the cluster points. That way, the ‘edge’ of the container will live in the right place in space the moment it appears.

(use a foreach on the points, or vops trickery if you're clever ). Just timeshift to the end of the cluster animation so they aren't shifting around on you.

Clustered pyro sim skips some instances May 16, 2012, 4:48 p.m.

Its likely that that particular cluster doesn't have enough of your source ( density I guess ) present on the frame its created so the resize container resizes down to nothing and then can't find the density once it does show up.

You may need to simulate in continuous mode, or delay the resizing of containers a frame or two to give the density a chance to build up before the resize….resizes.