CGTalk - Mental Ray Normal Map problem

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Matthewjc

04-20-2007, 12:01 AM

Hi,

I don't know why, but it seems I can't render Normal Maps in Mental Ray.

Here are some images showing the problem:

This model was rendered with the default scanline renderer in 3D Max 9:
(The Tangent Space Normal Bump Map works Fine.)

http://members.shaw.ca/palindromebooks/scanline_render_hand.jpg

Without making any changes from the scanline rendering, here it is rendered again in Mental Ray with the normal map not working at all....

http://members.shaw.ca/palindromebooks/mentalray_render_hand.jpg

Could anyone please explain why this is happening?

Thanks,
Matt

MattiaNelli

01-24-2008, 12:07 PM

I don't use Max, so I can't help you with your specific problem, but in Maya 2008 I can render normal maps with Mental Ray (version 3.6.1.6). It gives me a worst result if compared to xNormal (http://www.xnormal.net/) realtime view, but it works.

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