[gdal-dev] need help with gdalwarp

[Wendell Turner]

On Wed, May 07, 2008 at 02:26:12PM -0400, Frank Warmerdam wrote:
> Wendell Turner wrote:
> >
> >I'm new to gdal an have a question about warping an image 
> >that I would like help with.
>
> Yes, gdalwarp is the appropriate tool.
> 
> Does GDAL recognise the coordinate system of the source image?  Try
> a "gdalinfo" on it, and see if there is a coordinate system description.
> 
> If so, it might be sufficient to do something like:
> 
>   gdalwarp src.tif -t_srs '+proj=merc +datum=WGS84' dst.tif
> 
> You might find some of the following helpful to understand coordinate 
> systems
> in GDAL/OGR a bit.
> 
>   http://www.gdal.org/ogr/osr_tutorial.html
> 
> Best regards,

Yes, that worked like a charm.  Thank you for the advice
(and for your work on gdal!)

Wendell