Hi Robert,

Sorry I had to ask because I am currently working on something where I have to 
pack
basically groups of textured triangles into a texture, and those groups are 
clearly
non-rectangular and may even have holes... I currently use a "tetris 
packing"-like
scheme but the results are not so good.


Regards,


guillaume  

-----Original Message-----
From: [EMAIL PROTECTED] on behalf of Robert Osfield
Sent: Tue 9/5/2006 10:48 AM
To: osg users
Subject: Re: [osg-users] TextureAtlasBuilder checked into CVS.
 
Hi Guillaume,

On 9/5/06, Poirier, Guillaume <[EMAIL PROTECTED]> wrote:
>
> Does this atlas builder packs only rectangular textures with some sort of
> binary
> space partitionning algorithm ? Can it handle non-rectangular elements
> like
> triangle strips ?
>

I am confused, texture atlas is purely for textures, and textures are are
always rectangle in shape.

Triangle strip are are totally orthogonal element to OpenGL and the OSG, and
have nothing todo with texture atlas building, other that texcoords on
geometry has to be updated to handle the new position of the image without
the wider texture atlas.  The updating of tex coords is handled, but again
this has nothing to do with tri strips or other primitives, its purely a
Vec2Array matrix operation on the texcoords.

Robert,

<<winmail.dat>>

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