Beer glass scene creation
This course contains a little bit of everything with modeling, UVing, texturing and dynamics in Maya, as well as compositing multilayered EXR's in Photoshop.
# 1 29-09-2011 , 01:19 AM
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Trouble in hypershade, Maya2012

So I'm trying to set up a render and when I try to link up a surface shader to an amb_occlusion map the amb_occlusion has a little red bar over it's name. I'm thinking that means something is wrong. I have evidence to this because when I try to render nothing comes out, just blackness.

Can someone help me with this please?

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# 2 29-09-2011 , 01:46 AM
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mental ray plugin must be loaded AND set as the current render engine


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Last edited by ctbram; 29-09-2011 at 01:49 AM.
# 3 29-09-2011 , 02:04 AM
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in my render settings window i have it set to mental ray. is that what you were asking?


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# 4 29-09-2011 , 10:42 AM
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...does it happen with mia_material?

(also, you are not using mental ray stand alone are you?)

# 5 29-09-2011 , 01:06 PM
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in my render settings window i have it set to mental ray. is that what you were asking?

You mean in the render globals?


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# 6 29-09-2011 , 03:38 PM
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yep I meant render globals. mental ray must be selected as the render engine.

Mental ray node selected but mental ray not set as the render engine == red title bar

user added image

mental ray node and mental ray selected as the render engine == normal title bar

user added image


"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675

Last edited by ctbram; 29-09-2011 at 03:47 PM.
# 7 29-09-2011 , 09:22 PM
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Oh i see what you're saying now.
thanks a lot for pics they help a lot
i made a simple 3d model last but failed to render so i'll try again

currently working on the 2nd of 3 series model. the 1st one i made above is part of the series too.
https://cahemmy123.deviantart.com/#/d4b7vfu

will redo and try it


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# 8 30-09-2011 , 04:29 AM
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well now my amb occ node works ok but when i render all i see is my wireframe and it's transparent but for the wires.
what's up with that?


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# 9 30-09-2011 , 12:15 PM
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The only way I know for wire frame to show up during rending is if you have turned on contour render and you have to switch that on in like 3 different places so how you could accidentally do it is beyond me.

Can we see a screen shot of the problem and your global render settings please.

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"If I have seen further it is by standing on the shoulders of giants." Sir Isaac Newton, 1675

Last edited by ctbram; 30-09-2011 at 12:27 PM.
# 10 30-09-2011 , 01:58 PM
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did you do a render snapshot?

# 11 30-09-2011 , 04:41 PM
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ct, i'll fix my setting and get back to you

honest, no


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# 12 30-09-2011 , 07:17 PM
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silly me i had on fast_amb_occ instead of the regular amb_occ
works fine now


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# 13 30-09-2011 , 10:17 PM
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ah glad you got it figured out.


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