Re: disconnecting UVs in *.obj export?

["Tim Leydecker" <BauerOink(at)gmx.de>]

Hi Wayne,

yes, it seems it´s the polynode bisectors/samples that each
get individually exported, so the number of resulting UVs
per vertex is between 2-5.

This is definitely wrong behaviour and should be adressed
as in comparison XSI will import and display a mesh with
a single UV/vertex correctly, (re)creating those polybisectors.
So, logically, those bisectors aren´t mandatory and the *.obj
files exported out of XSI _should adhere to the standard?

In Maya, as a workaround one can open the TextureEditor
and do an Edit>Merge UVs with a veeery small treshold
but this is something not too ideal when dealing with a
complex mesh, rigged mesh or whatever that depends
on history as this merging may introduce other,unknown changes.

I´ll pack it up and log it a feature request.

Cheers

tim

P.S: ZBrush has a similar "merge" feature somewhere in it´s
import settings for *,obj files, as you probably know allready.
Regarding the Hotbox, cool, love it but now still find XSI faster
to model with (viewportspeed, +/-, tools, working modes). Nukes Maya.


----- Original Message ----- 
From: "Wayne Williams" <wayne(at)tripwireinteractive.com>
To: <XSI(at)Softimage.COM>
Sent: Wednesday, November 29, 2006 7:14 PM
Subject: Re: disconnecting UVs in *.obj export?


> Do you mean the uv's have become unwelded? i.e. you are seeing the polynode 
> bisectors for each vertex? This happens in Max when importing .obj's. Typically we 
> just scale the UV's up very large in the editor and do a global weld on the whole 
> uv set, then scale back down. This alleviates any uv's
> > from accidentally welding in a way they shouldnt. Perhaps there is a maya
> function to do the same? Speaking of Maya, I've been exploring it a bit and man, 
> the Hotbox/Custom marking menus are seriously a big workflow boost. Maybe in XSI 
> v8.5.11? :-D
> -Wayne
> ----- Original Message ----- 
> From: "Tim Leydecker" <BauerOink(at)gmx.de>
> To: <XSI(at)Softimage.COM>
> Sent: Wednesday, November 29, 2006 12:14 PM
> Subject: disconnecting UVs in *.obj export?
>
>
> > Hi guys,
> >
> > I´ve a clean, all-quadmesh created in XSI with
> > a planar TextureSupport providing UVcoordinates.
> > Nothing special until I export the mesh as *.obj file
> > and import it into Maya, in both Maya 6 and 8 I
> > end up with the mesh having 4 UVs per Vertex?
> >
> > This isn´t ideal, especially not for I/O with ZBrush...
> >
> > Anyone else ran into this on XSI 5.11? bug/fix?
> >
> > Cheers
> >
> > tim
> >
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