[Sidefx-houdini-list] About shaders

Peter Bowmar pbowmar at gmail.com
Sun Sep 30 09:02:41 EDT 2007

Hi Jordi,

Sadly, this is lacking even in 9. Most facilities set up a VOPnet to
do exactly what you're suggesting, with all features already there and
waiting to be used. This is easier in 9 as there are new VOP
components that help you with this, but there is still no UberVOP net.
 In 8.1 you'll need to use VOPs to get where you want to be. Check out
the Exchange as there are useful VOPs on there like SSS and on Odforce
there is (was?) a nice translucency shader that could be put into a
VOP easily.


Peter B

On 30/09/2007, Jordi Bares <jordibares at the-mill.com> wrote:
> I am using H8.1 for the project I am working, and specially on the shader
> area I feel a bit weird, specially because doesn't seem to have a monolithic
> general purpose shader that can cope with everydays' basic stuff.
> I am using VEX Layered surface I was expecting to have other tools also like
> simple translucency, incandescence...
> Is there anything I have missed? Would you recommend me to use another vex
> shader for the translucency? If so, which one, doesn't seem to be one.
> On another note, may be a community OTL that has wrapped this?
> Just as suggestion, here at The Mill we use all the time a monolithic and
> very optimized supershader that does all sorts of things, from blurry
> reflections, thin film, incandescence, transparency tricks, multiple mixed
> specular calculations (blinn, phong, etc..) plus we have setup a bunch of
> presets that do the job 95% of the cases with minor tweaks, probably one of
> the most productive tools we have.
> Any chance the Houdini community has developed something similar to share?
> In any case, I would like to ask specially about the translucency effect,
> anyone could point me in the right direction?
> Thanks in advance
> jb
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