POV-Ray: Newsgroups: povray.general: Layered UV maps

POV-Ray : Newsgroups : povray.general : Layered UV maps		Server Time 29 Nov 2024 05:46:19 EST (-0500)

From: Skip Talbot
Subject: Layered UV maps
Date: 8 Mar 2006 02:31:16
Message: <440e8844$1@news.povray.org>

I am attempting to create a mesh with layered textures that follow 
different uv vectors.  Is it possible to define a mesh with more than 
one set of uv vectors?  Or use separate lists of uv vectors in a layered 
texture?

Skip

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From: Thomas Baier
Subject: Re: Layered UV maps
Date: 9 Mar 2006 14:30:00
Message: <vh01121nltubudp9pa2m6cu4p2pg1ja4en@4ax.com>

On Wed, 08 Mar 2006 01:31:19 -0600, Skip Talbot <Ski### [at] aolcom>
wrote:

mesh2 implementation of POV-Ray does not support this feature.
I also do not know any other 3d engine supporting this.

Solution shouldbe easy: 
use 2 meshes with different uv vertices
or
use 1 mesh but play with layered textures#

-tb

>I am attempting to create a mesh with layered textures that follow 
>different uv vectors.  Is it possible to define a mesh with more than 
>one set of uv vectors?  Or use separate lists of uv vectors in a layered 
>texture?
>
>Skip

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From: Chambers
Subject: Re: Layered UV maps
Date: 9 Mar 2006 15:51:46
Message: <44109562$1@news.povray.org>

Thomas Baier wrote:
> On Wed, 08 Mar 2006 01:31:19 -0600, Skip Talbot <Ski### [at] aolcom>
> wrote:
> 
> mesh2 implementation of POV-Ray does not support this feature.
> I also do not know any other 3d engine supporting this.

Depends what you mean by "3d engine".  Such an effect is extremely easy 
in OpenGL (and I would assume Direct3D), so 3D Engines probably do 
support it.

...Chambers

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From: Skip Talbot
Subject: Re: Layered UV maps
Date: 10 Mar 2006 02:49:39
Message: <44112f93$1@news.povray.org>

However, I need the textures to follow different UV coordinates on the 
same mesh.  Sure I can layer textures on one mesh, but they are using 
the same UVs.  I thought about creating a second mesh with the different 
  UVs and scaling it slightly larger and giving it a transparent 
texture, but this won't work if my mesh isn't convex (the two may 
intersect).

Skip

Thomas Baier wrote:
> On Wed, 08 Mar 2006 01:31:19 -0600, Skip Talbot <Ski### [at] aolcom>
> wrote:
> 
> mesh2 implementation of POV-Ray does not support this feature.
> I also do not know any other 3d engine supporting this.
> 
> Solution shouldbe easy: 
> use 2 meshes with different uv vertices
> or
> use 1 mesh but play with layered textures#
> 
> -tb
> 
> 
>>I am attempting to create a mesh with layered textures that follow 
>>different uv vectors.  Is it possible to define a mesh with more than 
>>one set of uv vectors?  Or use separate lists of uv vectors in a layered 
>>texture?
>>
>>Skip

Post a reply to this message