mip_matteshadow casting self shadows error

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Old 10 October 2012   #1
mip_matteshadow casting self shadows error

Hi all,
I've been setting up a scene in Maya and 3ds max which has an IBL setup using Zap andersons methods.
I noticed that in max the mip_matteshadow works very well. It doesn't cast self shadows of stand-in objects onto other stand-in objects. Which is the way it's suppose to work.

But in Maya, it does - stand-in objects cast shadows on other stand-in objects which, of course, is wrong.

I have the 'no self shadows' ticked in both files.

I even went to zap anderson's blog and downloaded an example file he did in maya and it has the same error. I used this file mip_matteshadow2b.ma from this blog link -
http://mentalraytips.blogspot.com.a...r-examples.html

So i'm wondering has anyone ever come across this error before and how have you solved it?
 
Old 10 October 2012   #2
I am starting to wonder if it's my settings in maya that are coursing the trouble.

If someone could try the above files from zap andersons blog and let me know if another standin object, with the same mip matteshadow as the ground is casting shadows into the ground I would very much appreciate it.

Cheers,
 
Old 10 October 2012   #3
Check that your mip_matteshadow_shader is connencted to the shading group/engine shadow shader as well as the material shader. Depending on how you assign the material, I think that connection is skipped...

James
 
Old 10 October 2012   #4
jimjunky your a genius!!
That was it!

Thank you so much!
 
Old 10 October 2012   #5
Ha. I wish

No problem.
 
Old 10 October 2012   #6
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