Stephen E. Schweibinz wrote:
>
> >Vished,
> >At 10:13 AM 4/29/99 -0700, you wrote:
> >> I have been trying to run the TextureImage example using a 45Mb 256 color
> >
> >One of the techniques I use is to make sure that the size of the texture is
> >appropriate to the display resolution. So, if you had a very large display,
> >of 2048 x 1536, 24bit colour,
> >your image size should be no bigger than 2048 x 1536 pixels = 3,145,728
> >pixels x 3 (bytes) = 9,437,184 MB frame buffer (1 frame).
> >
> >
> >>FYI, I eventually want to texture map aerial imagery over a Digital
> >>Elevation Model. The TextureImage example is just the first step.
> >
>
> It might be helpful for you to check out an Internet-based orthophoto
> server that I worked on last year to see if it gives you any ideas
> on how to help develop your project:
>
> http://ri.mit.edu
>
Hey, the Rhode Island thing is pretty cool. The original poster might
want to check out the IRIS Performer docs (dig around on www.sgi.com).
Performer has a way to handle very large textures in real time using (sort
of) the multiresolution approach Stephen Schweibinz mentioned. Even
if you aren't using Peformer, the docs do a good job of explaining the
issues.
-cks
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