Abstract. MAPCHAT is a system for on-line capture and dissemination of
tactical and terrain information among geographically separated users. It has
a distributed, multi-server, multi-client architecture that enables the users to
capture and communicate spatial and non-spatial data, in the form
of overlays, to other users in the LAN, or WAN,
or to mobile users in field locations, connected through a
wireless interface. The MAPCHAT system consists of Windows PCs, loaded
with MAPCHAT software, and a back-end repository of maps and
overlays (Windows PC with Oracle Database Server), all connected via
a LAN, WAN or wirelessly using GPS-fitted receivers for mobile
subscribers. MAPCHAT works on the principle of normal Chat software
with one significant difference: in addition to the textual chat
messages, it handles geographic data encoded as textual data in
XML format. MAPCHAT software consists of two components—the server and
the client. The server component is a normal Chat server
implemented using TCP/IP socket programming in Java2. The MAPCHAT client
is a powerful GIS tool, capable of display and analysis
of geographic data in various formats, with an added XML
parser and a communication module.
Related topics:
geographic information system, command systems
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