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       gpscorrelate - correlates digital images with GPS data filling EXIF


       gpscorrelate [-z | --timeadd +/-HH[:MM]] [-O | --photooffset seconds]
                    [-i | --no-interpolation] [-v | --verbose] [-d |
                    --datum datum] [-n | --no-write] [-m | --max-dist time]
                    [-t | --ignore-tracksegs] [-M | --no-mtime] [-f |
                    --fix-timestamps] [-p | --degmins] -g file.gpx

       gpscorrelate -s | --show | -o | --machine  image.jpg...

       gpscorrelate [-M | --no-mtime] {-r | --remove} image.jpg...

       gpscorrelate -V | --version | -h | --help



       This manual page documents briefly the gpscorrelate and
       gpscorrelate-gui commands.

       There is an extended documenation available in HTML format; see below.

       gpscorrelate is a program that acts on digital images in JPEG format
       filling EXIF (Exchangeable Image File Format) fields related to GPS
       (Global Positioning System) information. Source for the GPS data is a
       record of GPS information encoded in GPX (GPS Exchange Format) Format.
       The act of filling those fields is referred to as correlation.

       If GPS data are available at the precise moment the image was taken
       (with a 1-second granularity) the GPS data are stored unmodified in
       EXIF fields. If they are not linear interpolation of GPS data available
       at moments before and after the image was taken can be used.

       gpscorrelate is a command line tool implementing correlation whereas
       gpscorrelate-gui is the corresponding GTK+ graphical user interface.


       These programs follow the usual GNU command line syntax, with long
       options starting with two dashes (‘-'). A summary of options is
       included below. For a complete description, see the HTML documentation.

       -g, --gps file.gpx
           correlate using the specified GPX file with GPS data

       -s, --show
           only show the GPS data of the given images

       -o, --machine
           only show the GPS data of the given images in a machine readable
           output, if there is any

       -r, --remove
           only remove GPS EXIF data from the given images

       -z, --timeadd +/-XX[:XX]
           time to add to GPS data to make it match the timestamps of the
           images. GPS data is in UTC; images are not likely to be in UTC.
           Enter the timezone used when taking the images: eg, +8 for Perth

       -O, --photooffset seconds
           time in seconds to add to the photo timestamp to make it match the
           GPS timestamp. To determine the amount of seconds needed, just
           create a picture of your GPS device showing the current time and
           compare it with the timestamp of your photo file.

       -i, --no-interpolation
           disable interpolation between points. Interpolation is linear,
           points are rounded if disabled

       -v, --verbose
           show which GPS data has been selected for each image

       -d, --datum datum
           specify measurement datum. If not set, WGS-84 used

       -n, --no-write
           do not write the exif data. Useful with --verbose

       -m, --max-dist time
           max time outside points that image will be matched. Time is in

       -t, --ignore-tracksegs
           Interpolate between track segments, too

       -M, --no-mtime
           Do not change mtime of modified files

       -f, --fix-timestamps
           Fix broken GPS datestamps written with versions < 1.5.2

       -p, --degmins
           Write location as DD MM.MM as was default before < 1.5.3

       -h, --help
           Only show summary of options

       -V, --version
           Only print the version


       gpsd (1), gpsbabel (1), gpxlogger (1), cgpxlogger (1).

       The documentation of gpscorrelate and gpscorrelate-gui in HTML format
       are available on the filesystem at /usr/share/doc/gpscorrelate.


       This manual page was initially written by Stefano Zacchiroli for the Debian(TM) system. It was extended by Till Maas Permission is granted to copy, distribute and/or
       modify this document under the terms of the GNU General Public License,
       Version 2 any later version published by the Free Software Foundation.

       On Debian systems, the complete text of the GNU General Public License
       can be found in /usr/share/common-licenses/GPL.


       Stefano Zacchiroli


       Copyright © 2006, 2008 Stefano Zacchiroli, Till Maas

[FIXME: source]                   30 Oct 2008