[gdal-dev] Need help converting a geotiff file to jpg/tiff/bmp

Frank Warmerdam warmerdam at pobox.com
Mon Dec 1 11:04:07 EST 2008

Benjamin R Welton wrote:
> Thanks for your quick response.
> The geotiff files that i am trying to convert are single band. I am not
> looking to create a false three color tiff from these images i only need to
> have a gray scale representation of the images.
> Iv had a little bit of time to look over the documentation on the VRT
> Driver. It looks like i could essentially use the same template for all of
> the images with only the filename and xsize/ysize altered for each file. Ill
> make an attempt to do the conversion using the VRT files and see if i can
> get the image i want by using that process. One quick question though, is
> there any file size or area limits on how large the VRT could do a
> conversion for? The files that i am doing this conversion on are not really
> large (2000x4500 pixels max) so i am assuming that it will be fine.


There is no apparent limit on the VRT size, though there can be performance
impacts to going through a VRT.

Best regards,
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Programmer for Rent

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