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headus 3D scans

The UV Shell angle is wrong so I can't unwrap my mesh

 
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Rias



Posts: 3
Joined: 13 Nov 2008

PostPosted: Thu Nov 13, 2008 2:11 pm    Post subject: The UV Shell angle is wrong so I can't unwrap my mesh Reply with quote

I've used headus a few times before and it worked fine, but for this model which is not irregular in any way it maps the model from the top and not the front like it is meant to..

And it maps the foot from the front instead of the top... Sigh.


Please help me find a solution.

Edit: I just started on another one of my projects and it is doing the same thing! Why is it mapping it to the wrong damn angle.


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Lewi



Posts: 61
Joined: 14 Jul 2006

PostPosted: Thu Nov 13, 2008 5:00 pm    Post subject: Reply with quote

Hi, it looks like you haven't flattened that shell yet. Try switching to UV mode holding the mouse pointer over the shell and pressing "Shift + F".
It doesn't really matter how the shells drop into UV space as once the flattening starts it is all sorted out. That torso shell will need a seam up the back or under the arms to flatten though as cylinders or tubes can go funky without one.
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Rias



Posts: 3
Joined: 13 Nov 2008

PostPosted: Thu Nov 13, 2008 7:47 pm    Post subject: Reply with quote

Lewi wrote:
Hi, it looks like you haven't flattened that shell yet. Try switching to UV mode holding the mouse pointer over the shell and pressing "Shift + F".
It doesn't really matter how the shells drop into UV space as once the flattening starts it is all sorted out. That torso shell will need a seam up the back or under the arms to flatten though as cylinders or tubes can go funky without one.


It DOES matter. I know how to flatten the mesh, I've used uvlayout2 rather a bit. But it is projected at the wrong angle - from the top, instead of from the front like it is supposed to be.

It will not flatten properly at all the way it is, and until it projects it from the front, uvlayout 2 is incapable of unwrapping my model.

Edit. For some reason my post sounded really defensive, it wasn't meant to be Very Happy
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headus
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Posts: 2902
Joined: 24 Mar 2005
Location: Perth, Australia

PostPosted: Fri Nov 14, 2008 12:37 am    Post subject: Reply with quote

"It will not flatten properly at all the way it is,"

Like Lewi says, it looks like its missing a seam down the torso, either down the back or down one or both sides. Any "tube" shape (i.e. arms, legs, torsos) needs at least one split line so that it can flatten out properly.

Have a look at the "Split-and-Stretch" movie here ...

http://www.uvlayout.com/videos/

... for an example of the process.

Phil
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Rias



Posts: 3
Joined: 13 Nov 2008

PostPosted: Fri Nov 14, 2008 11:56 am    Post subject: Reply with quote

heh i feel like a real idiot now, I was just trying to find a different way of unwrapping it and missed a cut. Thanks Very Happy
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