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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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The system that divides a chart of the world with latitude-longitude gridlines between 80 deg. N and 70 deg. S latitudes into grid cells of 10 deg. latitude by 10 deg. longitude.