[Sidefx-houdini-list] Z-Depth Fog Matte / Z Composite
k4keshaw at gmail.com
Thu Nov 17 04:02:17 EST 2016
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...
> 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.
> 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?
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