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Vray needs that feature 
how can I get access to the wishlist in that forum? we have Vray in our company, do we got a ID code or so to access this area?
Render Subset of Scene
This shader allows re-rendering a subset of the objects in a scene, defi ned by material, geometric objects, or instance labels. It is the ideal "quick fix" solution when almost everything in a scene is perfect, and just this one little object or one material needs a small tweak.
It is applied as a lens shader and works by first testing which object an eye-ray hits, and only if the object is part of the desired subset is it actually shaded at all.
Pixels of the background and other objects by default return transparent black (0 0 0 0), making the final render image ideal for compositing directly on top of the original render.
So, for example, if a certain material in a scene did not turn out satisfactory, one can simply:
- Modify the material.
- Apply this lens shader and choosing that material.
- Render the image (at a fraction of the time of re-rendering the whole image).
- Composite the result on top of the original render!
we are using that technique for car configurators when we render parts of an interior separate (seats, gear shifts, steering wheels, etc.)
it is a really nice and fast
dub
how can I get access to the wishlist in that forum? we have Vray in our company, do we got a ID code or so to access this area?Render Subset of Scene
This shader allows re-rendering a subset of the objects in a scene, defi ned by material, geometric objects, or instance labels. It is the ideal "quick fix" solution when almost everything in a scene is perfect, and just this one little object or one material needs a small tweak.
It is applied as a lens shader and works by first testing which object an eye-ray hits, and only if the object is part of the desired subset is it actually shaded at all.
Pixels of the background and other objects by default return transparent black (0 0 0 0), making the final render image ideal for compositing directly on top of the original render.
So, for example, if a certain material in a scene did not turn out satisfactory, one can simply:
- Modify the material.
- Apply this lens shader and choosing that material.
- Render the image (at a fraction of the time of re-rendering the whole image).
- Composite the result on top of the original render!
we are using that technique for car configurators when we render parts of an interior separate (seats, gear shifts, steering wheels, etc.)
it is a really nice and fast
dub
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