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Wiki.GIS.com - The GIS Encyclopedia

Wiki.GIS.com is an encyclopedia dedicated to geographic information systems (GIS).

This repository incorporates contributions from the GIS community for the benefit of GIS professionals, students, and anyone with an interest in GIS. The wiki contains informative articles about GIS concepts, new technologies, products, people, and organizations.

Anyone who has any knowledge of GIS is more than welcome to create an account and start sharing that information by creating new pages or expanding existing pages.

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Featured Content

Temporal GIS

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Temporal Geographic Information System (GIS) is an emerging capability in GIS for integrating temporal data with location and attribute data. Temporal data specifically refers to times or dates, enabling temporal visualization and ultimately temporal analysis. Temporal data may refer to discrete events, such as lightning strikes; moving objects, such as trains; or repeated observations, such as counts from traffic sensors.[1] Temporal changes occur at different points or periods of time and are recognized by changes in spatial properties and/or locations. A temporal GIS processes, manages, and analyzes spatio-temporal data; [2] spatial data that changes with time and is part of the geographic movement. The study of modeling temporal information in GIS started in the mid-1980s. The field of computer science's development of temporal data models influenced temporal modeling in the GIS field. Temporal modeling in computer sciences began with the integration of time with relational databases and later extended into object oriented modeling. ... more

Exclusive Content

System Design Strategies

System Design Strategies is an exclusive resource for the successful design and deployment for geographic information systems technology. This documentation is provided to share system architecture design methodology and the fundamental principles that contribute to system performance and scalability.

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GIS Trivia

Can you survive our GIS Trivia Challenge?

What year was the National Spatial Data Infrastructure started?

  1. 1994
  2. 1999
  3. 1997

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