[Sidefx-houdini-list] Perline Noise with Turbulence and other types of noise ?

Alvin Yap alvinyapvfx at gmail.com
Wed Aug 11 18:20:37 EDT 2010

If I am not mistaken, you are looking for the Anti-Aliased Noise VOP?
Playing with the roughness and octaves should bring you similar results.

If not, the Noise VEX function is perlin noise; you can write your own vex
code using that. I write my own noise code in vex using noise() in order to
have lacunarity controls.

Cell noise is available out of the box with vops: Look for the cellular
noise vop? Fractal cellular noise is interesting, I don't think the cellular
noise vop has it out of the box, but again, could use vex to write it.


On Wed, Aug 11, 2010 at 8:47 PM, Vinz <ubik.lists at noos.fr> wrote:

> Hi,
> I'm wondering if it's possible to have perlin noise with turbulence with
> some vop calculations or if it has to be implemented with the HDK ?
> Couldn't find an exact description of what it is compared to Perlin noise.
> Same question for the cellular (worley) round noise also found on this
> page :
> http://www.neilblevins.com/cg_education/procedural_noise/procedural_noise.html
> Thanks a lot,
> Vincent
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