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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

Topography

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Topography (from the Greek topo- "place" and graphia, "writing") is the study of Earth's surface shape and features or those of planets, moons, and asteroids. It is also the description of such surface shapes and features, especially their depiction in maps. The topography of an area can also mean the surface shape and features themselves. In a broader sense, topography is concerned with local detail in general, including not only relief but also vegetative and human-made features, and even local history and culture. This meaning is less common in America, where topographic maps with elevation contours have made "topography" synonymous with relief. The older sense of topography as the study of place still has currency in Europe. ... 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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Event: Webinar of Top 10 Features of SuperGIS Desktop 3.2
Location: Online
Date: 2/5/2015 Time: (11:00am)

Event: Esri Federal GIS Conference
Location: Washington, DC
Date: 2/9/2015

Event: Esri Federal GIS Conference
Location: Washington, DC
Date: 2/9/2015

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GIS Trivia

Can you survive our GIS Trivia Challenge?

This topology term states that every non-self-intersecting loop in a plane divides the plane into an ""inside"" and an ""outside"" and any path connecting a point of one region to a point of the other intersects that loop somewhere.

  1. Jordan curve theorem
  2. Nielsen theory
  3. Kuratowski's closure-complement problem

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