[Sidefx-houdini-list] How to generate PRMan Deep Holdouts with Renderman Rop

Sebastian H. Schmidt sebastian.h.schmidt at googlemail.com
Tue Dec 28 20:59:14 EST 2010


ha,
that's easy thanks a lot !

Seb

On Wed, Dec 29, 2010 at 2:44 PM, Alan Warren <bluemoonshine at gmail.com>wrote:

> The prman ROP will generate a deep shadow map if you set any of Houdini's
> lights to
> "depth map shadow" mode. Try it and examine the RIB to see for yourself.
>
> You can also setup the ROP to do exactly what you typed above. Just set the
> main Display
> to use the zfile driver, and configure a single AOV using the deepshad
> driver with "deepopacity"
> as the variable. The fly-out menus on the prman rop have all of these
> presets available by default
> afaik
>
> HTH
> Alan
>
> On Tue, Dec 28, 2010 at 5:12 PM, Sebastian H. Schmidt <
> sebastian.h.schmidt at googlemail.com> wrote:
>
> > Hi,
> >
> > I'm trying to generate PRMAN Deep Holdouts .dshd with houdinis renderman
> > rop. currently I'm massaging the rib file adding these lines
> >
> > Display "out.zfile" "zfile" "z"
> > Display "+out.dshad" "deepshad" "deepopacity"
> >
> >
> > which creates these files for me, but it would be much easier if  there
> is
> > a
> > way to do that on the renderman node itself ?
> > Any ideas ?
> >
> > thansk & Happy Holidays!
> > Seb
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