Mental Ray contours around object's transparency?

#1

Hi everybody, it’s my first thread here, I would really appreciate your help.
I am rendering a character with mental ray contours, and this character has a texture with transparency in some parts. My problem is that MR traces the contour around the polygon, not around the texture’s alpha. Does anyone had this problem before?
I’ve put this image that shows the “hair” with the wrong contour:

http://www.sendspace.com/file/sjwrbo

Thanks in advance.
All the best,
Diogo

#2

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