[vtkusers] texture ontop of texture ?

[David Gobbi]

Hi Ingo,

The only way to avoid this weird mixing (other than using an offset)
is to have the textures share the same vertices.

That means that the actor for the larger texture has to have vertices
not only for the corners of the large texture, but also for the corners
of the small texture, so that in the region where the textures overlap
both textures use the same set of vertices are used to calculate the
Z value.  I don't know if this is a clear explanation, but it should
give you the general idea.

 - David

--
  David Gobbi, PhD                dgobbi at imaging.robarts.ca
  Advanced Imaging Research Group
  Robarts Research Institute, University of Western Ontario

On Fri, 12 Dec 2003, de Boer Ingo wrote:

> Hi,
>
> I have two textures... A large one and a small one.
> I want to put the small one ontop the large one at the
> same z coordinate. But I get some weird mixture of both
> textures when I move the object. One solution would be a
> minimal distance, but are there any better solutions ?
>
> greets
>   Ingo
>
> ---
> Dr.-Ing. Ingo H. de Boer
>
> Polytec GmbH
> Polytec-Platz 1-7, 76337 Waldbronn, Germany
> phone: ++49 7243 604 106
> fax  : ++49 7243 604 255
>
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