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The GIS
system is able to be shared among city/county departments that want to
access and create GIS information and applications. This system also
provides security and access to authorized users of the data as determined
by the individual department(s) responsible for their data layer(s). The
system also contains the ability to view and query updated information in a
timely and efficient manner without adversely affecting departments not in
need of GIS information.
The GIS Department has
implemented a centralized database architecture which allows GIS desktop
applications to be supported on user workstations located on the central
Local Area Network (LAN), each with access to central GIS data sources. Data
sources can include GIS file servers, ArcSDE database servers, Raster Image
servers, ArcIMS Intranet and Internet servers, and related attribute data
sources. One central repository serving GIS data allows the GIS department
to implement the necessary security procedures and allows the simplification
of the necessary backup requirements of such vast systems.
Currently
the GIS department manages over 550GB of data. Daily and monthly backups
are done with additional backups being stored offsite for disaster
recovery purposes.
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