renderPass rerender beauty when just reflection/spec needed?

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  07 July 2010
renderPass rerender beauty when just reflection/spec needed?

when rendering with render Passes, do I always have to render the beauty, when I have to rerender something?
for exapmple, when I just need the specular and reflection Pass, do I have to render the diffuse, which took a LONG time to render?!



Last edited by tinitus : 07 July 2010 at 08:13 AM.
  07 July 2010
Render passes always render the beauty. Thats how they work.
But you could set up a render layer with material overrides to do a specular render. You dont need passes for that.

  07 July 2010
yeah. i am already setting up a reflection pass with the mip_rayswitcher as in your tutorial. thank you for that one!
but some how, the result is a bit different, when compositing the diffuse_result und and the reflection_result with "add".. you know why?
another problem is, that i dont get any alpha channel, when rendering with the mip_rayswitcher?!

  07 July 2010
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