= GeoTIFF = 

GeoTIFF represents an effort by over 160 different remote sensing,
GIS, cartographic, and surveying related companies and organizations
to establish a [http://www.awaresystems.be/imaging/tiff/faq.html TIFF]
based interchange format for georeferenced raster imagery.

Trac was previously used for code and ticket management, but

{{{#!html
<h1 style="text-align: center; color: blue">Since December 2018, creation of new tickets/issues has been moved to <a href="https://github.com/OSGeo/libgeotiff/issues">https://github.com/OSGeo/libgeotiff/issues</a></h1>
<h1 style="text-align: center; color: red">The Subversion repository has been frozen and is no longer updated. Refer to the <a href="https://github.com/OSGeo/libgeotiff">GitHub</a> link as well for source code</h1>
}}}



== Information and Support ==

 * [https://www.ogc.org/standards/geotiff OGC GeoTIFF Standard]: OGC GeoTIFF Standard 1.1
 * [http://geotiff.maptools.org/spec/geotiffhome.html GeoTIFF Revision 1.0 Specification]: This is the historical version of the GeoTIFF spec, pre-dating the OGC effort
 * http://geotiff.osgeo.org/ : Primary GeoTIFF web site (this page).
 * [http://sourceforge.net/projects/geotiff-jai GeoTIFF-JAI] and [http://sourceforge.net/projects/xtiff-jai/ Extensible-TIFF-JAI]: Niles Ritters projects for a Java GeoTIFF API.
 * http://download.osgeo.org/geotiff/ : Current archive of GeoTIFF spec, EPSG/POSC tables, and libgeotiff source code.
 * http://download.osgeo.org/geotiff/samples : Sample GeoTIFF files.
 * [http://web.archive.org/web/20160817040211/http://www.remotesensing.org/geotiff/faq.html GeoTIFF FAQ] written by Mike Ruth.
 * Unofficial [http://web.archive.org/web/20160802172057/http://www.remotesensing.org/geotiff/proj_list/ Catalog of Projections] and their parameters.
 * [wiki:VerticalCS] - guidance on vertical coordinate systems.
 * [wiki:TOWGS84GeoKey] - TOWGS84 datum shift geokey proposal
 * [wiki:RefiningGeoTIFF] - notes on suggested refinements to the GeoTIFF specification
 * [https://github.com/xlhomme/GeotiffParser.js GeotiffParser.js] - !JavaScript GeoTIFF Parser
 * [https://github.com/constantinius/geotiff.js geotiff.js] - !JavaScript GeoTIFF Parser focussing on raw raster data
			
== libgeotiff ==

Libgeotiff is an open source library normally hosted on top of [http://libtiff.maptools.org/ libtiff] for reading, and writing GeoTIFF information tags.  The libgeotiff library is a sub-project of the [http://metacrs.osgeo.org MetaCRS] project.  Please contact warmerdam@pobox.com for more information, or to get involved.

 * [http://web.archive.org/web/20160310113533/http://www.remotesensing.org/geotiff/api/globals.html Libgeotiff API]: Partial documentation.
 * [http://svn.osgeo.org/metacrs/geotiff/trunk/libgeotiff/bin/makegeo.c makegeo.c]: Minimal example of creating a geotiff file.
 * [http://trac.osgeo.org/geotiff/browser/trunk/libgeotiff *Outdated* libgeotiff SVN repository] is https://svn.osgeo.org/metacrs/geotiff/trunk/libgeotiff
 * The most recent libgeotiff release is version 1.6.0 and is available from http://download.osgeo.org/geotiff/libgeotiff/libgeotiff-1.6.0.tar.gz or the corresponding [http://download.osgeo.org/geotiff/libgeotiff/libgeotiff-1.6.0.zip zip].
 * The released libgeotiff source code and various other items are available in the [http://download.osgeo.org/geotiff/libgeotiff download.osgeo.org] download directories.
 * A contributed win32 gui for listgeo is available at http://download.osgeo.org/geotiff/libgeotiff/listgeo_GUI.zip .
 * [http://web.archive.org/web/20160817035938/http://www.remotesensing.org/geotiff/listgeo.html listgeo] - utility program (distributed with libgeotiff) for dumping the metadata of a GeoTIFF file.
 * [http://web.archive.org/web/20160817035546/http://www.remotesensing.org/geotiff/geotifcp.html geotifcp] - utility program (distributed with libgeotiff) for applying metadata to a TIFF file, making it a GeoTIFF file.
 * [http://svn.osgeo.org/metacrs/geotiff/trunk/libgeotiff/csv/README EPSG CSV Refresh Notes]

== GeoTIFF Mailing List ==

A mailing list is currently active to discuss the on-going development of this standard, and the libgeotiff support library.  Subscribe and unsubscribe [https://lists.osgeo.org/mailman/listinfo/geotiff on the web].  Mail can be sent to geotiff@lists.osgeo.org.  Online 
[http://lists.osgeo.org/pipermail/geotiff/ threaded archives] are available for viewing on the web.

The GeoTIFF mailing list is also available by NNTP at news://news.gmane.org/gmane.comp.gis.geotiff.

Comments? e-mail warmerdam@pobox.com (Frank Warmerdam)

== Bug Tracking ==

https://github.com/OSGeo/libgeotiff/issues