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DIVA-GIS is a free geographic information system software program used for the analysis of geographic data, especially species occurrence data. The software was first designed for application to the study of the distribution of plants, especially crop wild relatives such as wild potatoes .
GIS data for Commonwealth of Pennsylvania; Name Description; Pennsylvania Spatial Data Access: State wide GIS datasets provided by Pennsylvania State University: Open Data Philly: Data repository for the City of Philadelphia, which includes GIS data-sets relating to the Philadelphia region, available to view and download in various formats
Given that every projection gives deformations, each country's needs are different in order to reduce these distortions. These national projections, or national Coordinate Reference Systems are officially announced by the relevant national agencies. The list below is a collection of available official national projected Coordinate Reference ...
The two-letter country codes were used by the US government for geographical data processing in many publications, such as the CIA World Factbook. The standard is also known as DAFIF 0413 ed 7 Amdt. No. 3 (Nov 2003) and as DIA 65-18 (Defense Intelligence Agency, 1994, "Geopolitical Data Elements and Related Features").
Capaware rc1 0.1 GRASS GIS 6.4 gvSIG 1.0 IDRISI Taiga 16.05 SAGA-GIS v. 2.0.3. The following open-source desktop GIS projects are reviewed in Steiniger and Bocher (2008/9): [13] GRASS GIS – Geospatial data management, vector and raster manipulation - developed by the U.S. Army Corps of Engineers; gvSIG – Mapping and geoprocessing with a 3D ...
Also detrending of data is possible. Finally 3D and 4D extensions are included with emphasis on direct computations of climatologies from ODV [ 4 ] spreadsheet files. The software whose first version was available since 1996, [ 5 ] can now be downloaded at the DIVA Archived 2017-12-01 at the Wayback Machine site and is the reference tool for ...
The extent to which such modelled data reflect real-world species distributions will depend on a number of factors, including the nature, complexity, and accuracy of the models used and the quality of the available environmental data layers; the availability of sufficient and reliable species distribution data as model input; and the influence ...
System for Automated Geoscientific Analyses (SAGA GIS) is a geographic information system (GIS) computer program, used to edit spatial data.It is free and open-source software, developed originally by a small team at the Department of Physical Geography, University of Göttingen, Germany, and is now being maintained and extended by an international developer community.