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Unformatted text preview: . GIS AS A SET OF INTERRELATED SUBSYSTEMS
Data Processing Subsystem • data acquisition - from maps, images or field surveys • data input - data must be input from source material to the digital database • data storage - how often is it used, how should it be updated, is it confidential? Data Analysis Subsystem • retrieval and analysis - may be simple responses to queries, or complex statistical
analyses of large sets of data • information output - how to display the results? as maps or tables? Or will the
information be fed into some other digital system? Information Use Subsystem • users may be researchers, planners, managers • interaction needed between GIS group and users to plan analytical procedures and data
structures Management Subsystem • organizational role - GIS section is often organized as a separate unit within a resource
management agency (cf. the Computer Center at many universities) offering spatial
database and analysis services • staff - include System Manager, Database Manager, System Operator, System Analysts,
Digitizer Operators - a typical resource management agency GIS center might have a
staff of 5-7 • procedures - extensive interaction is needed between the GIS group and the rest of the
organization if the system is to function effectively
In this course all of these subsystems will be examined. ...
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This note was uploaded on 12/04/2011 for the course GEB 1011 taught by Professor Staff during the Fall '08 term at Broward College.
- Fall '08