Geographic and Spatial Data Management and Modelingby Walter M. Grayman, W. M. Grayman Consulting Engineers, Cincinnati, OH, USA,
Abstract: A geographic information system is a computer based technology for storing and using spatial data. Many alternative methodologies exist for managing the three general types of spatial data: areal data, terrain data, and network data. The primary uses for spatial data, mapping and modeling, have been applied extensively in the area of water resources.
Subject Headings: Spatial data | Data processing | Information management | Geographic information systems | Information systems | Water resources | Terrain
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