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Proceedings Paper

VIMOS instrument control software design: an object-oriented approach
Author(s): Sylvie Brau-Nogué; Christian Lucuix
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Paper Abstract

The Franco-Italian VIMOS instrument is a VIsible imaging Multi-Object Spectrograph with outstanding multiplex capabilities, allowing to take spectra of more than 800 objects simultaneously, or integral field spectroscopy mode in a 54x54 arcsec area. VIMOS is being installed at the Nasmyth focus of the third Unit Telescope of the European Southern Observatory Very Large Telescope (VLT) at Mount Paranal in Chile. This paper will describe the analysis, the design and the implementation of the VIMOS Instrument Control System, using UML notation. Our Control group followed an Object Oriented software process while keeping in mind the ESO VLT standard control concepts. At ESO VLT a complete software library is available. Rather than applying waterfall lifecycle, ICS project used iterative development, a lifecycle consisting of several iterations. Each iteration consisted in : capture and evaluate the requirements, visual modeling for analysis and design, implementation, test, and deployment. Depending of the project phases, iterations focused more or less on specific activity. The result is an object model (the design model), including use-case realizations. An implementation view and a deployment view complement this product. An extract of VIMOS ICS UML model will be presented and some implementation, integration and test issues will be discussed.

Paper Details

Date Published: 13 December 2002
PDF: 12 pages
Proc. SPIE 4848, Advanced Telescope and Instrumentation Control Software II, (13 December 2002); doi: 10.1117/12.461341
Show Author Affiliations
Sylvie Brau-Nogué, Observatoire Midi-Pyrénées (France)
Christian Lucuix, Observatoire Midi-Pyrénées (France)

Published in SPIE Proceedings Vol. 4848:
Advanced Telescope and Instrumentation Control Software II
Hilton Lewis, Editor(s)

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