problems with mental ray lighting

# 1 19-07-2006 , 03:47 PM

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Join Date: Jul 2006

Location: Massachusetts

Posts: 15

hello, I just started using Maya 7 a few days ago and I am already having a few problems with lighting.

As you can see, I've tried to render something like this
user added image

which is based on a tutorial from https://www.highend3d.com/maya/tutori...ray/241-3.html
but mine ends up looking like this
user added image

does anyone know what I am doing wrong? I've probably messed with the hypershade materials/rendering settings for at least 2 hours and I've made zero progress. And how do I add the shiny/reflective touch to this gear?

Thanks

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# 2 19-07-2006 , 03:55 PM

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Join Date: Mar 2005

Location: London

Posts: 1,135

make sure u have the correct setting like raytracing, final gather ect.

make sure u r using a hdri map rather than a jpeg (get it from the link they provide)

make sure ur gear is the correct side of the ground plane
use the directions in the bottom right hand corner so that Y points upwards an ur gear is that side of the floor plane

what material r u assigning to the gear - use a blinn or dgs(uner mental ray nodes) - lamberts wont work

if this doent work post up the file an i will have a look

Now at SMU doing BSc 3D Computer Animation so its hard to get on here
My wire render tut https://forum.simplymaya.com/showthre...threadid=20973

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# 3 19-07-2006 , 05:01 PM

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Join Date: Jul 2006

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Posts: 15

Thank you, you were a great help!

Here is the final version.

user added image

I still need to work on the lighting but nevertheless, I'm happy with the results!

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# 4 19-07-2006 , 05:57 PM

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Join Date: Mar 2005

Location: London

Posts: 1,135

cool.......:attn: :attn:

just curious but what was the problem?

Now at SMU doing BSc 3D Computer Animation so its hard to get on here
My wire render tut https://forum.simplymaya.com/showthre...threadid=20973

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# 5 19-07-2006 , 06:36 PM

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Join Date: Mar 2006

Posts: 255

Hey Machlin, click on your object and go Polygon>Smooth...

Then rerender that...I bet it will looks a million times more realistic.

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# 6 19-07-2006 , 08:22 PM

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Join Date: Jul 2006

Location: Massachusetts

Posts: 15

pbman, my problem was that I assigned my material to a Phong E material rather than a Blinn and I didn't know how to add the HDRI map file before

Esion, thanks. my gear looks a lot more realistic after i smoothed its teeth. https://img.villagephotos.com/p/2006-6/1190298/gear2.jpg

I just need to make it look more metallic.

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# 7 19-07-2006 , 11:09 PM

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Join Date: Mar 2006

Posts: 255

No problem man...

Increase your specularity a little bit...if you go too much it will be so reflective that it will look see-thru at the bottom...that should make it a nice mirror polished metal color.

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problems with mental ray lighting

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