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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Visual hierarchy is the order in which the human eye perceives what it sees. It is used in cartography to help the map designer create a product where the viewer will process the information presented in order from the most important to the least important. This can be achieved by manipulating different pieces of a map such as its color contrast, symbology, texture, shape, position, scale, orientation and size. ... more
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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Test your knowledge of GIS
What is the identification of the real-world geographic location of an Internet-connected computer, mobile device, website visitor or other?