16 bit rendering

[DiGiman]

I solved my own problem.

[Undseth]

Sounds interesting, please tell us (me).

[DiGiman]

In the render globals-
Your image format must be one that is capable of 16 bit. Something like RLA, TIFF, SGI, and I think IFF. Under the Mental Ray tab find the Framebuffer Attributes section. Here you can change from an RGBA 4x8bit, to say RGBA 4x16bit, or even 32bit. I haven't yet figured out what the RGBE does. :shrug:
Anyway hope this helps you. It took me forever to figure this out, but i'm kinda slow sometimes.... :)

[Undseth]

Thanks! Nice to know. I have seen those options before, but it didnt come to mind when I read your post earlier.

[devdoka]

from the docs :

mental ray 3.1 also supports the RGBE high dynamic range color data format. Its stores RGB colors (no alpha) as floating-point values with an 8-bit mantissa and an 8-bit shared exponent.

[CGTalk Moderation]

This thread has been automatically closed as it remained inactive for 12 months. If you wish to continue the discussion, please create a new thread in the appropriate forum.