Lesson 7. UV maps

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Lesson 7. UV maps

Post by AtlantiB on Sat Jul 31, 2010 12:54 pm


credits: blender foundation for Suzanne mesh.
SHOW ME YOUR RESULT BELLOW!!!! Smile

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I'm in university. havent internet to be here Sad

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Re: Lesson 7. UV maps

Post by Love2Raid on Thu Aug 26, 2010 9:15 pm

Great tutorial AtlantiB, Suzanne looks cute. Razz

Okay, I have read this a long time ago already, of course, but I have finally tried to give it a go! What a Face

So I found this lovely chair, created by someone named Yorik. It was totally free and actually a .blend file, which is brilliant of course!



So I thought, why not? I downloaded the chair. It was a packed file, with textures included, but that's too easy! Razz
So I removed all the textures, but left the material.

First problem, quads instead of triangles:



Faces > convert quads to triangles, much better!



Now on with the UV mapping, the chair consisted of 3 parts, which I put in different layers to make it easier.

First part, selecting the edges and marking them:



Unwrapping:



Okay, not bad, but after some tweaking, it's better Very Happy



Now on to the next part (okay it's not great, but I was lazy :p):



And finally, the last part, selecting edges:



And unwrap (O_o):



Now, I put the three parts together and exported....succes! cheers (that means, no error Razz Razz)

Okay, converting with GeMeshAsciitoBin, so far so good!!
(I want a generic_item, not .obj, so I can add minibumps later. :-))

XNALara...

What! It's invisible....pale

Hmm, maybe...



AHA, it's huge!! Idea

Back to XNALara, resize...no difference. Sad

But I have a very strong feeling the problem can be fixed in Notepad. Basketball

Stay tuned. albino
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Re: Lesson 7. UV maps

Post by Love2Raid on Thu Aug 26, 2010 9:34 pm

There were no render groups defined in the mesh, so I manually did this in Notepad, and look:



It's too big and the textures are awful, but at least it worked!

Edit:

Added microbumps, 'baked' ambient occlusion maps. Current status, almost done:



Anyone want this chair?
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Re: Lesson 7. UV maps

Post by XNAaraL on Fri Aug 27, 2010 5:29 am

Sure, i want this chair :-)
To permanent resize:
1th: Load the chair in XNALara
2th: Set thedesired scale value in the field Scale: inside XNALara
3th: Save the mesh as Generic_Item with File->export posed model as .mesh.ascii (inside XNALara). Use the same folder. The folder from BigChairMod.
4th: Convert with GeMeshAsciiToBin back to the .mesh format.

5th: TaTa, in XNALara the new size are displayed automatical.

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Re: Lesson 7. UV maps

Post by Love2Raid on Fri Aug 27, 2010 7:51 pm

Thanks for the tip! I´ll try that. Very Happy

It worked great!

Finished:



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Re: Lesson 7. UV maps

Post by mjolnirs on Wed Sep 01, 2010 1:21 pm

Mmm speaking of the devi... I mean, UV mapping Razz (I hate UV mapping with a passion lol) I have a question.

How can you fix these glitches? they're invisible under certain angles/illumination, unfortunately under most they aren't...


1) is a XNA only problem?
2) how can I fix it?
3) please... don't tell me that the only solution is to re-UV map the whole damn thing! Crying or Very sad
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Re: Lesson 7. UV maps

Post by AtlantiB on Wed Sep 01, 2010 2:25 pm

use my new body mesh(legs and body+ new UV map, with only one seam on her spine. it looks like sims body texture Smile you can fint it in my Aphrodite mod....)
good luck!

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Re: Lesson 7. UV maps

Post by mjolnirs on Wed Sep 01, 2010 4:39 pm

Oh, cool! thanks a lot.
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Re: Lesson 7. UV maps

Post by XNAaraL on Thu Sep 02, 2010 7:37 am

Thanks to AtlantiB. This is the best solution.
@mjolnirs: It is a problem of my the Blender-Import-Script in combination with Blender and the spliting meshes by CD.
Blender recalculate the normals. At the seams so the soft transition is missing to the neighbor parts of the mesh :-( I am looking for a Blender function to prevent this.

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Re: Lesson 7. UV maps

Post by mjolnirs on Thu Sep 02, 2010 2:10 pm

I see, hopefully 2.5x will fix it?
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