problem with normal maps

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Old 05 May 2010   #1
problem with normal maps

hi. i am pretty new to mudbox and was trying to make a base mesh and sculpt. but once i export as normal map and try it in 3ds max, the results seen distorted. any reason y? is it becoz of the UV? thanks

Old 05 May 2010   #2
looks fine to me...
whats the problem..?

those artefacts on the forehead.?
thinks in this area is the geometry to close together maybe the lowres is to low...
try a different search distance or clean it up in PS...
Old 05 May 2010   #3
hmm i mean as in after i import back into max as a normal map. it gives mi a distorted mesh as like the second image on the top right whereas what i sculpt in mudbox looks pretty smooth.

thanks for replying
Old 05 May 2010   #4
is this on the left side your highest level in mud..?
are you generating a normalmap in mudbox with the max preset..?
Old 05 May 2010   #5
yup the top left is the highest level in mud and i am generating with max preset.

i keep getting these broken distorted maps when rendered. any ideas? thanks !

Old 05 May 2010   #6
hmm looks like bad flipped uvs...
Old 05 May 2010   #7
hi thanks ! i solved the flipped UV . stupid me. thanks .

but somehow the normal map isnt as smooth as the one at lvl 3 sub D in mudbox. is that always the case? the detail area also isnt as pumped out as in the mudbox no matter how high i put the setting for the normal map. is it normal?
also for the left eye brow area is also curved in in the normal map while it is suppose to curved out in the mudbox mesh.

thanks thanks

Last edited by ZenArc : 05 May 2010 at 07:29 PM.
Old 05 May 2010   #8
try to use automatic uvs... if there are no artefacts your current uvs are bad...
Old 05 May 2010   #9
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