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U.S. Department of Energy
Office of Scientific and Technical Information

Experiences with data models in geographic information systems

Conference ·
OSTI ID:501646
 [1]; ;  [2]
  1. Univ. of Minnesota, MN (United States)
  2. and others

Geographic Information Systems (GISs) are used to collect, analyze, and present information describing the physical and logical properties of the geographic world. Geographically referenced data is the spatial data that pertain to a location on the earth`s surface. There are four major functional units in a typical GIS: Data Input Unit: the data input unit; the data model; the data manipulation capabilities; and the result presentation facilities.

OSTI ID:
501646
Report Number(s):
CONF-961239--
Country of Publication:
United States
Language:
English

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