[vtkusers] Problem reading in large textures in GeoTIFF format

Elvis Dowson elvis.dowson at mac.com
Fri Nov 7 05:03:30 EST 2008

Hi Mathieu,
                         There apparently is a problem with the NVIDIA  
GPU on my Mac, in displaying texture over 4Kx4K. It works fine on an  
ATI x1600.

So, it most probably is a GPU issue. I will send you the TIFF file  

Best regards,

Elvis Dowson

On Nov 7, 2008, at 1:43 PM, Mathieu Malaterre wrote:

> Hi Elvis,
> that's a *very* old post. This should be handle nicely now, Francois
> Bertel recently fixed the vtkOpenGLImageActor.cxx too a couple of
> weeks back. AFAIK vtkTexture is doing the right thing. Is there a way
> to download your tiff file somewhere ?
> Basically this is an OpenGL restriction, if your texture is larger in
> size that GL_MAX_TEXTURE_SIZE, then the algorithm will split the image
> as describe in the post you found.
> 2cts
> -- 
> Mathieu

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