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Fifth Annual Tcl/Tk Workshop, 1997
"Dashboard": A Knowledge-Based Real-Time Control Panel
De Clarke
UCO / Lick Observatory
Santa Cruz, CA
Abstract
This paper describes the use of Tcl and Tk to implement
a "soft" or generic GUI for real time control systems.
UCO/Lick Observatory is using Tcl/Tk in conjunction with
a relational database to implement a suite of code for
instrument control and observing at Keck Observatory.
One Tcl/Tk application serves as both the GUI builder
and the GUI. It relies on information from an authoritative
database to configure its behaviour.
The project illustrates the use of Tcl and Tk
as the common language holding a complex project together,
and the particular suitability of Tcl to database applications.
It also illustrates a software design philosophy in which
an online database engine is an integral part of
software design and deployment, rather than the target
of the application.
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