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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

Cartography

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Cartography is the study and practice of making geographical maps. Combining science, aesthetics, and technique, cartography builds on the premise that reality can be modeled in ways that communicate spatial information effectively. Cartography addresses the following issues: 1) Setting the map's agenda and selecting traits of the object to be mapped. This is the concern of map editing. Traits may be physical, such as roads or land masses, or may be abstract, such as toponyms or political boundaries. 2) Representing the terrain of the mapped object on flat media. This is the concern of map projections. 3) Eliminating characteristics of the mapped object that are not relevant to the map's purpose. This is the concern of generalization. 4) Reducing the complexity of the characteristics that will be mapped. This is also the concern of generalization. 5) Orchestrating the elements of the map to best convey its message to its audience. This is the concern of map design. ... 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

Test your knowledge of GIS

This is a scale map showing the divisions of a piece of land.

  1. Plat
  2. Zone Improvement Plan
  3. Subdivision Map

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