Hi Micahel,

osgdem supports all the formats that GDAL does, to find out what
supported formats are do:

 gdalinfo --formats

You can use Jpegs but you'll need to manually specify the coordinate
system for it via command line parameters, this is a bit of pain so
its generally much easier just to use geospecifc DEMs and imagery.

Robert.

On Jan 24, 2008 3:32 AM, Michael W. Hall <[EMAIL PROTECTED]> wrote:
> I would like to use the BMNG image file to create a model of earth in my
> program.  I have one of the BMNG jpgs.  Can I use osgdem with the jpg
> file to create a earth model?  Do I need DTED data?  I am trying to
> improve my knowledge of maps and learn OpenSceneGraph.
>
> Also, how do you know if a texture map and the data you have go
> together?
>
>
>
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>
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