GADM
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GADM
GADM
Level 1 administrative divisions of Germany, created from GADM data
Level 1 administrative divisions of Germany, created from GADM data
Original author(s)Robert J. Hijmans
Initial release2009; 11 years ago (2009)
Stable release
3.6 / 6 May 2018; 22 months ago (2018-05-06)[1]
Written inshapefile
TypeGeographic Information Systems, Data visualization
LicenseCopyrighted with academic friendly policy
Websitegadm.org

GADM, the Database of Global Administrative Areas, is a high-resolution database of country administrative areas, with a goal of "all countries, at all levels, at any time period."[2]

The database is available in a few export formats, including shapefiles that are used in most common GIS applications.[3] Files for use with the data analysis language R are also available.

The files allow for data analysis as well as the easy creation of descriptive data plots that include geographical maps.[4][5]

Although it is a public database, GADM has a higher spatial resolution than other free databases,[6] and also higher than commercial software such as ArcGIS.[7]

GADM is not freely available for commercial use. The GADM project created the spatial data for many countries from spatial databases provided by national governments, NGO, and/or from maps and lists of names available on the Internet (e.g. from Wikipedia).

See also

References

  1. ^ "GADM data". Gadm.org. Retrieved 2018.
  2. ^ Main GADM website
  3. ^ Marine Life Mapping & Visualisation
  4. ^ chloropleth map of deforestation in Africa
  5. ^ Swiss canton languages
  6. ^ Free Geography Tools website
  7. ^ Kelly Center blog

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

GADM
 



 



 
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