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Help for Unwrap UVW
show user profile  Aze
Hi, please help me, When I wanna use a normal bump I have some problem in the edges of my unwrapped seams , I sculpted in Mudbox and Unwrapped in max


read 451 times
9/24/2011 12:45:56 AM (last edit: 9/24/2011 12:45:56 AM)
show user profile  Dave
Ah normal map seams. First things first is to check your smoothing groups on the low poly model. Ideally they should all be the same (as that data is coming from the normal map now). It could also have been an issue with your bake, cage not set up correctly or lord knows whatever else. It's been so long since I've had this problem that I can never remember the steps to fix it exactly.

There's also the issue of how max handles the normal map. It prefers inverted green channels I believe. (-Y)

Typically, a seam on your unwrap will produce a seam in your normal map because you're splitting the tangents (essentially, duplicating the verts along the seam edge in the UV's). I realise I'm just spouting nonsense and not actually getting to anything that will help you in any practical sense!

"I flew over Egypt once"

read 443 times
9/24/2011 1:19:44 AM (last edit: 9/24/2011 1:19:44 AM)
show user profile  Aze
Thanks Dave , I did what you advised but it didn`t work , I assigned Smooth group 1 to all of my model and again assigned UNwrap uvw (That previous one which I did before), and again normal bump in Mudbox , Filip green , ... do you mind ? is something missed?
read 426 times
9/24/2011 7:38:47 AM (last edit: 9/24/2011 7:38:47 AM)
show user profile  Garp
Try MrG's turtle tutorial (in the featured threads on the left). There's a part about baking the normal map.




read 423 times
9/24/2011 8:02:49 AM (last edit: 9/24/2011 8:02:49 AM)
show user profile  Aze
Hi Grap , I love your sea turtle and I learned that tutorial , thanks ... I made this model based on your tutorial , but I`ve still have this problem , can you tell me what`s problem exactly come from?
read 416 times
9/24/2011 9:13:00 AM (last edit: 9/24/2011 9:13:00 AM)
show user profile  Aze
Michael grote made this tutorial to save me but, I don`t know what this problem exactly?
read 412 times
9/24/2011 9:21:10 AM (last edit: 9/24/2011 9:21:10 AM)
show user profile  mrgrotey
Hi there, not really sure to be honest, try adding an edit normals modifier, select all then hit unify.

This came up before but I dont think it got resolved then either. I cant replicate the error.




read 398 times
9/24/2011 10:11:52 AM (last edit: 9/24/2011 10:11:52 AM)
show user profile  Aze
Thanks but Edit normal didn`t solve it! What can I do now?
read 392 times
9/24/2011 11:34:57 AM (last edit: 9/24/2011 11:34:57 AM)
show user profile  mrgrotey
can you post your max file up? divshare will do that for you (include the normal map too




read 387 times
9/24/2011 11:41:53 AM (last edit: 9/24/2011 11:41:53 AM)
show user profile  Octopuzzy
What is your gamma set to in max? I think it's on 2.2 by default now which doesn't play nicely with normalmaps unless you import it with gamma 1.0....or was it 2.2.




read 384 times
9/24/2011 11:50:08 AM (last edit: 9/24/2011 11:50:08 AM)
show user profile  Aze
yes Meachel ofcourse! I`ll be happy , I`ll sending wait a minute
read 381 times
9/24/2011 12:04:27 PM (last edit: 9/24/2011 12:04:27 PM)
show user profile  Aze
I changed gamma to 1 Octopuzzy but it still has problem
read 379 times
9/24/2011 12:21:19 PM (last edit: 9/24/2011 12:21:19 PM)
show user profile  Aze
Meachel it`s on divshare right now, how should I send it to you?
read 375 times
9/24/2011 12:28:12 PM (last edit: 9/24/2011 12:28:12 PM)
show user profile  mrgrotey
post the link here




read 373 times
9/24/2011 12:29:01 PM (last edit: 9/24/2011 12:29:01 PM)
show user profile  Aze
http://www.divshare.com/download/15789515-9b9
http://www.divshare.com/download/15789561-ad2

read 370 times
9/24/2011 12:41:28 PM (last edit: 9/24/2011 12:41:28 PM)
 
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