Matte/shadow in mental Ray

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  01 January 2004
Unhappy Matte/shadow in mental Ray


Does anybody know how I can use mate shadow materials with the Mental Ray on Max 6????

I´d appreciate any help, thanks
  02 February 2004
I agree the question. How can we do tht? I'm making a composition with a 3d car rendered on a photo background.
In need to use a matte shadow material for the floor to cast the shadows.

"Anyone who has never made a mistake has never tried anything new." (Albert Einstein)
  02 February 2004
not sure what u guys mean? have u tried it? cause the matt/shadow material works for me!!

  02 February 2004
Mate Shadow Yes and NO

I am not sure if I do all right. But I have feeling that mate shadow can collect only shadows casted direct by light. That meens shadows made by light with shadow box checked on. It can not show shadow made by final gathering or other mental ray's indirect illumination method. May be there is other way but I use material override with white material and put all together in compositing program AF or PS.

Last edited by stefan : 02 February 2004 at 03:36 PM.
  04 April 2004
Very well stefan.

This is the problem.

But don´t have a direct solution?
  02 February 2005
yep, that's the problem, which means the skylight won't cast any shadows onto your matte material. if you want this effect, though, you can use E-light, which uses shadow maps that WILL cast shadows onto your matte material
  02 February 2006
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