Maya for 3D Printing - Rapid Prototyping
In this course we're going to look at something a little different, creating technically accurate 3D printed parts.
# 1 10-12-2011 , 06:48 AM
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Join Date: Dec 2011
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Fur Map/Rendering issues

Hello all,

Im in the process of modeling a cat character, and im having trouble getting the fur to behave predictably. I run Maya 2012 on Windows 7 64-bit, i7 CPU 950 @ 3.07 GHz, NVidia GeForce GTX 560, 12 GB ram. Im rendering in Mental Ray.

The main issue i have is the fur maps. There are certain areas that refuse to be affected by any means i can think of. The tail tip is the most prominent (see pics), but it happens around the lips too. Ive uploaded maps from photoshop, ive created fresh maps within maya, ive uploaded maps then edited them in maya...ive tried flodding it with a value, which works everywhere except these affected areas. Ive deleted the maps and recreated them. ive deleted the fur descriptions and ive deleted the entire fur system. Ive even exported the mesh as an .obj and imported it into a new scene and created fresh fur and also have selected from one of the presets. neither seemed to fix the problem.

Secondary problems include the sparseness of the tail. Why does it look like an opossum? Ive used an equalizer map to boost the density both at the tail and on the face. And the hands/feet. And why is the color so random? Ive set both the base and tip colors to put white in the last full posed image. the noise frequency and amplitude are both set at 0.00 for both renders.

Lastly, any general tips for improving the fur, or indeed, anything?

I appreciate any help and/or feedback offered.

Thank you!

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# 2 10-12-2011 , 09:08 AM
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Have you check that your normals are facing the correct way for the end of the tail...........dave




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# 3 10-12-2011 , 09:27 AM
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Thanks for your response, Dave.

The normals do not seem to be the issue. I have checked that both the face normals and the fur normals are facing the correct outward position.

# 4 10-12-2011 , 09:37 AM
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Looking at you second shot down, the nose area is black and the tip of the tail is this a baldness map if so find where it is and delete it or paint it out.............dave

Edit:also check your UV for flipping and overlapping




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Last edited by daverave; 10-12-2011 at 09:39 AM.
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