[Sidefx-houdini-list] Z-Depth Fog Matte / Z Composite

keshaw singh k4keshaw at gmail.com
Thu Nov 17 04:02:17 EST 2016


hi floyd

you can go for deepcomp workflow

On Thu, Nov 17, 2016 at 7:22 AM, Floyd Gillis <floyd at afcg.com> wrote:

> Hello List,
>
> A couple of questions...
>
> 1.
> I'm rendering a shot with mantra using Atmosphere with Z-Depth Fog.
> Is there a simple way to render "matte" elements that don't contribute to
> the fog?
> Some elements are transparent so I can't use Pz to add fog in comp.
> If the solution isn't "simple" and requires some VOP editing, I'd
> appreciate detailed instructions.
>
> 2.
> Have been trying to composite elements using Houdini's "Z Composite" node.
> Have info from documentation and PQ's "Zdepth Passes" video but am still
> getting artifacts on edges.
> Have tried various settings but get best results with "Pz, Float Type, 32
> bit float, Closest Surface, & minmax edge".
> Any suggesting for cleaner Z compositing using Houdini COPs?
>
> Cheers,
>
> Floyd
>
>
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-- 

==================
Keshaw Singh
VFX/3D/Motion designer
www.3dkeshaw.com



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