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Old 11-07-2012, 11:15 AM   #1
jackson five
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Join Date: Nov 2011
Posts: 66
What is the best way in the world to bake normal occlusion and shadowmaps

i want to convert some buildings with 1000 polys to 8 polys i was trying with transfer maps in maya and couldn`t get any good results infact, some black spots popping all over the mesh after baking.
i wonder what would be the best way to bake normal maps for houses and buildings.
Old 11-08-2012, 03:20 AM   #2
Columbus, USA
Join Date: Sep 2006
Posts: 56

xNormal is great for baking maps.
Old 11-08-2012, 09:16 AM   #3
DeadlyNightshade's Avatar
Martin Dahlin
Jr. Technical Artist
Stockholm, Sweden
Join Date: Jul 2012
Posts: 925
I always use a combination of xNormal and Maya mental ray (transfer maps).
Black spots can be the result of many things:
-Source mesh penetrating the cage
-Insufficient rays, resulting in noise on the AO map
-Corrupt geometry on the mesh
-Overlapping UV shells

You should first check your geometry with the "Cleanup" tool in Maya. You want to look for this:
-Lamina faces
-Nonmanifold geometry
-Zero-length edges
-Zero-geometry faces

You can also check for faces with zero map area. They tent to appear on complex objects if you are just using Maya's native crap-unwrappers (I use Roadkill and never get them).
Nightshade UV Editor (script for Maya) - Extends Maya's default UV Texture Editor with additional tools.

Last edited by DeadlyNightshade : 11-08-2012 at 09:24 AM.
Old 11-08-2012, 09:16 AM   #4
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