Phil Harvey > Image-ExifTool-9.53 > Image::ExifTool::Geotag

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Module Version: 1.40   Source  

NAME ^

Image::ExifTool::Geotag - Geotagging utility routines

SYNOPSIS ^

This module is used by Image::ExifTool

DESCRIPTION ^

This module loads GPS track logs, interpolates to determine position based on time, and sets new GPS values for geotagging images. Currently supported formats are GPX, NMEA RMC/GGA/GLL, KML, IGC, Garmin XML and TCX, Magellan PMGNTRK, Honeywell PTNTHPR, and Winplus Beacon text files.

Methods in this module should not be called directly. Instead, the Geotag feature is accessed by writing the values of the ExifTool Geotag, Geosync and Geotime tags (see the Extra Tags in the tag name documentation).

NOTES ^

To take advantage of attitude information in the PTNTHPR NMEA sentence, two user-defined tags, GPSPitch and GPSRoll, must be active.

AUTHOR ^

Copyright 2003-2014, Phil Harvey (phil at owl.phy.queensu.ca)

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

REFERENCES ^

http://www.topografix.com/GPX/1/1/
http://www.gpsinformation.org/dale/nmea.htm#GSA
http://code.google.com/apis/kml/documentation/kmlreference.html
http://www.fai.org/gliding/system/files/tech_spec_gnss.pdf

ACKNOWLEDGEMENTS ^

Thanks to Lionel Genet for the ability to read IGC format track logs.

SEE ALSO ^

"Extra Tags" in Image::ExifTool::TagNames, Image::ExifTool(3pm)

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