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Problem with Mental Ray

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Ma Go
Problem with Mental Ray
on May 23, 2011 at 3:27:46 pm


i have a problem with Mental Ray.
If i render with maya software, so the result is alright. (Screenshot 1)

But when i try to render exactly the same scene with mental ray, i get a crazy result (Screenshot 2).

Seems, that mental ray is not able to interpret the mask. By the way, the alpha channel looks similar.
I already tried to render with "raytracing", but the problem still remains.
I dont know the reason. Maybe somebody is able to help me.

I use 3 pictures for the texture. One colorized picture in the color-channel. The second one is a greyscaled picture, which i use as a bumpmap and the third is a black-white picture, which i connected with transparency (to use the picture as a mask).


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Ben van Hamelen
Re: Problem with Mental Ray
on May 23, 2011 at 6:32:11 pm

Did you check if your output data type supports alpha? Render settings -> Quality -> Framebuffer.

By default it's set to RGBA (Byte) 4x8 bit, which should do fine when it comes to alpha. Hence the 'A' in RGBA ;)

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