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Posted by Frank on February 2, 2007, 10:02 am
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Here's an open source, command line tool "quadjoin" to seamlessly join
1 or more USGS DRG (.tif) files using the accompanying world file
(.tfw file) Any collars are clipped. Note: the tiff files must have
the same attributes, e.g. scale, color map, etc. Along with the source
there are executables for linux (Fedora) and XP (using cygwin).
More information and a map of a section of appalachian trail at:
http://quadjoin.sourceforge.net/
Frank Glandorf
Cincinnati, USA
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