[Geotiff] Re: [OSGeodata] File format for geo-coded ground-based photos

Frank Warmerdam warmerdam at pobox.com
Wed May 10 13:12:51 EDT 2006


Tyler Mitchell wrote:
> Ned,
> EXIF already has some stuff, of course.  I assume you've seen this..
> http://search.cpan.org/src/EXIFTOOL/Image-ExifTool-6.00/html/TagNames/GPS.html
> 
> Apparently getting tools to write EXIF may be more the issue, but there is this EXIFTOOL I heard of.
> 
> Can GDAL access all EXIF tags in images?

Tyler / Ned,

Ironically though EXIF uses a TIFF directory, I currently only support
EXIF data in JPEG files, not TIFF files for GDAL.  But I would be inclined
to agree that EXIF would be a logical way of holding simple point geolocation
information.

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    | President OSGF, http://osgeo.org



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