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A geographic information system ( GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. [ 1][ 2] Much of this often happens within a spatial database; however, this is not essential to meet the definition of a GIS. [ 1] In a broader sense, one may consider such a ...
QGIS is a geographic information system (GIS) software that is free and open-source. [ 2] QGIS supports Windows, macOS, and Linux. [ 3] It supports viewing, editing, printing, and analysis of geospatial data in a range of data formats. QGIS was previously also known as Quantum GIS.
ArcGIS is a family of client, server and online geographic information system (GIS) software developed and maintained by Esri . ArcGIS was first released in 1982 and as ARC/INFO, a command line-based GIS. ARC/INFO was later merged into ArcGIS Desktop, which was eventually superseded by ArcGIS Pro in 2015. [ 8]
www .esri .com. Environmental Systems Research Institute, Inc., doing business as Esri ( / ˈɛzriː / ), [ 5] is an American multinational geographic information system (GIS) software company headquartered in Redlands, California. [ 6] It is best known for its ArcGIS products. With a 40% market share in 2011, Esri is one of the world's leading ...
GIS file format. A GIS file format is a standard for encoding geographical information into a computer file, as a specialized type of file format for use in geographic information systems (GIS) and other geospatial applications. Since the 1970s, dozens of formats have been created based on various data models for various purposes.
A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important. [1] [2] [3] The GIS software industry encompasses a broad range of commercial and ...
Geographic Information Science (GIScience) is the basic research field that seeks to redefine geographic concepts and their use in the context of geographic information systems. GIScience also examines the impacts of GIS on individuals and society, and the influences of society on GIS. GIScience re-examines some of the most fundamental themes ...
Website. www .ogc .org /standards /wms. A Web Map Service ( WMS) is a standard protocol developed by the Open Geospatial Consortium in 1999 for serving georeferenced map images over the Internet. [ 1] These images are typically produced by a map server from data provided by a GIS database. [ 3]