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Headquarters. Des Plaines, Illinois. The Urban and Regional Information Systems Association ( URISA) is a non-profit association of professionals using geographic information systems (GIS) and other information technologies to solve challenges at all levels of government. [1] URISA promotes the effective and ethical use of spatial information ...
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 ...
Giles County is a county located in the U.S. state of Virginia on the West Virginia state line. As of the 2020 census, the population was 16,787. [ 1] Its county seat is Pearisburg. [ 2] Giles County is included in the Blacksburg - Christiansburg, VA Metropolitan Statistical Area .
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Open GIS Consortium. The Open Geospatial Consortium ( OGC ), an international voluntary consensus standards organization for geospatial content and location-based services, sensor web and Internet of Things, GIS data processing and data sharing. It originated in 1994 and involves more than 500 commercial, governmental, nonprofit and research ...
Cambridge, Massachusetts, USA. The Harvard Laboratory for Computer Graphics and Spatial Analysis (1965 to 1991) pioneered early cartographic and architectural computer applications that led to integrated geographic information systems (GIS). [1] Some of the Laboratory's influential programs included SYMAP, SYMVU, GRID, CALFORM, and POLYVRT.
The American Association of Geographers ( AAG) is a non-profit scientific and educational society aimed at advancing the understanding, study, and importance of geography and related fields. Its headquarters is located in Washington, D.C. The organization was founded on December 29, 1904, in Philadelphia, as the Association of American ...
e. Virginia counties and cities by year of establishment. The Commonwealth of Virginia is divided into 95 counties, along with 38 independent cities that are considered county-equivalents for census purposes, totaling 133 second-level subdivisions. In Virginia, cities are co-equal levels of government to counties, but towns are part of counties.