[vtkusers] texture combination

[ddey]

There is still a third solution.( If  the 4 textures
are from one face of the box, then just tile them together, as John suggested -
this method is overkill.)  Clip the bus object with a set of planes that define the camera
frustrum, and make the output into an actor. Set the corresponding
photograph as texture to this actor. Repeat this for the other 3 textures


    Damini.

John Biddiscombe wrote:

> >
> >   Now I've got 4 texture images of a bus taken from digital camera.
> >
> >   and i've reconstructed the bus object as a closed box in VTK model.
> >
> >   Can I generate one texture map for the box, from those 4 images?
>
> Yes. Paste all 4 images into a single one by tiling them using paint shop
> pro, or even an image filter. Generate texture coords based on the
> sections. Apply Actor->SetTexture()
>
> Very tedious and hard to get right.
>
> OR...
>
> Alternatively. Box has 6 sides. 6 textures from 6 images (or 4 in your
> case) and 6 actors ...
> Side1Actor->SetTexture(image1)
> Side2Actor->SetTexture(image2)
> ...
>
> Also very tedious.
>
> vtk support for multiple textures is not great :)
>
> John B
>
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