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GIS meets new challenges -- Exploration of Spatial Information Grid Technology

Source: Internet
Author: User
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Since the invention of paper, human beings have used paper maps to represent geospatial information for thousands of years. After the emergence of the computer, people began to use discrete and topological relationship between point strings in the computer to describe various spatial elements of points, lines, planes, and bodies. This led to the emergence of digital maps. With the development of information technology, digital map is no longer the only way to express geospatial data in computers. Grid technology poses new challenges to the original GIS ......

See http://www.cnblogs.com/gisattic/articles/236204.html for details

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