Rendering problem using mr

[CIM]

Let me guess, you have a black environment?

[Digidim]

...is your (mr) raytracing depth set up right ?

(Render Global Setting -> General -> ...)

[Tornado7]

I’ve solved my problem. I’ve rebuilded my shader from the beginning and, “magically”, it works well even with mr…… misteries of the cg…….:)

[Emmortal1]

I've been noticing a similar issue as of late, having to create new shaders for my scene for them to render properly. I ran into this problem with a simple Use Background shader issue I was having. I just deleted the surface and recreated it and applied a newly created Use Background and it worked fine. I have no idea what the hell happened there, who knows.

Emmortal

[moblur]

Just a tid bit of info, may or may not be related to similar artifacting, but when I dupe a poly object with multiple materials assigned to different portions of the poly model, or a combined poly(lets say 2 blinns, a lambert and a phong material) the original renders fine in mental ray, but the duped only renders with one of the materials applied to all the surfaces. I discovered that if you expand the object in the hypershade to see all of its materials inputs, rogue initial shading group attachments are present, delete these connections and all should be well... if you need me to explain more I'll try..

[Tornado7]

Thanks for these infos :)

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