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GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file. The potential additional information includes map projection, coordinate systems, ellipsoids, datums, and everything else necessary to establish the exact spatial reference for the file. The GeoTIFF format is fully compliant with TIFF 6.0, so software incapable of reading and interpreting the specialized metadata will still be able to open a GeoTIFF format file.

Described at

Link to a page describing this subject · 33,480 chars · not written by Vinony

Source code

This library is designed to permit the extraction and parsing of the "GeoTIFF" Key directories, as well as definition and installation of GeoTIFF keys in new files. More information about GeoTIFF specifications, projection codes and use can be found here. Information on the mailing list and archived SVN repository can be found here libgeotiff should work with the Visual Studio toolchain. See .appveyor.yml for example. There are two demonstration test programs makegeo and listgeo that create and list-out the GeoTIFF tags and keys associated with a small TIFF file, as well as a full-featured utility called geotifcp . These will all be built in the bin/ directory as a matter of course, though may require modification if you are not using LibTIFF , as they make explicit calls to LibTIFF for opening the files and setting the tags. to generate and list an example GeoTIFF file. To see the geotifcp utility in action, first call: Credits This library was originally written by Niles Ritter (also the primary author of the GeoTIFF specification). Eric Brown of Universal Systems, who contributed a bug fix to GTIFPCSToImage() . Safe Software who supported by upgrade to use the EPSG 6.2.2 database for libgeotiff 1.2.0 . Many others who contributed before it occured to me to maintain credits.

Excerpt from the source-code README · 4,029 chars · not written by Vinony

Wikidata facts

Instance of
file format
Show 11 more facts
file extension
tiff
media type
image/tiff
inception
1994-00-00
Commons category
GeoTIFF
source code repository URL
github.com/OSGeo/libgeotiff
copyright license
public domain
software version identifier
1.7.4
Sources (4)

via Wikidata · CC0

~3 min read

Encyclopedic overview

6 sections
Contents
  • History
  • Cloud Optimized GeoTIFF
  • See also
  • References
  • Further reading
  • External links

GeoTIFF is a public domain metadata standard which allows georeferencing information to be embedded within a TIFF file. The potential additional information includes map projection, coordinate systems, ellipsoids, datums, and everything else necessary to establish the exact spatial reference for the file. The GeoTIFF format is fully compliant with TIFF 6.0, so software incapable of reading and interpreting the specialized metadata will still be able to open a GeoTIFF format file.

An alternative to the "inlined" TIFF geospatial metadata is the *.tfw World File sidecar file format which may sit in the same folder as the regular TIFF file to provide a subset of the functionality of the standard GeoTIFF described here.

Excerpted from Wikipedia’s “GeoTIFF” article, available under the CC BY-SA 4.0 licence.