[Bf-cycles] "Light Path" Node

[Brecht Van Lommel]

Hi,

It's not implemented yet, the purpose is that it will return 1 if a
transparent shadow ray is being traced, so that you can used a cheaper
shader in that case. I'd like to implement "only shadow" materials a
bit different, on object level, and not only for shadows but also for
compositing in emission.

Brecht.

On Sun, Aug 21, 2011 at 7:41 PM, Мукаев Виктор <vitos1g at gmail.com> wrote:
> Hello!
>
> I just want to ask, what does "Is Shadow Ray" output means?
> I thought it determins whether it's shadow or not, and if i use this as a
> factor to mix closure of diffuse and transparent materials it should give me
> "Only Shadow" setup.
> But it's not working such way, so i wonder where is my mistake?
>
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