Category Archives: Otls

Houdini CloudMaker OTL

a custom asset that takes rough input geometry and creates awesome clouds
cloud

I’ve been working on some cloud-related projects, and I needed a streamlined way to make many different clouds – with art-directed shapes – quickly and simply. I’ve come up with an OTL that takes rough input geometry and then builds a wispy, fractal-y volume for rendering.

The asset is implemented in Volume VOPs, using simple noise equations to extrapolate cloud-like edges. It creates an intermediate geometry out of metaballs, then creates a volume and adds noise. With this, you can quickly and easily create simple cloud shapes and convert them into high-quality clouds for rendering.

Download:

cloudMaker OTL
requires houdini 12.5 or higher

Houdini Animation Curves otl

being an operator that can extrapolate one set of values to another using curves
curves

I’ve recently been working on an idea that requires me to do separate luminance values in an image into x discreet “steps”, such as 0-12. However I don’t want to do the distribution linearly (read: equally distributed), I need to account for the fact that luminance is non-linear.

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