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Lookup NU author(s): Professor Michael HarrisonORCiD
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The concept of an ‘interactor’ has been introduced by Faconti and Paterno' [6] as an abstraction of an entity in interactive graphics capable of both input and output. However the notion of interaction object need not be confined to graphics systems; it represents a useful structure for thinking and reasoning about the behaviour of interactive systems in general. As part of Esprit Basic Research Action 7040 (Amodeus-2) we are using the concept of interactor, and existing work on state-based processes and agents, to develop a model and theory of interactive systems. In this paper we describe two formal models for interaction objects and sketch how they can be used to build a small vocabulary of operators to support the rigorous specification of a graphics system. Our model differs from the approach of Faconti and Paterno' in that it abstracts away from any specific graphics framework and is thus suited to the level of abstraction demanded by formal approaches to system development.
Author(s): Duke DJ, Harrison MD
Publication type: Article
Publication status: Published
Journal: Computer Graphics Forum
Year: 1993
Volume: 12
Issue: 3
Pages: 25-36
ISSN (print): 0167-7055
ISSN (electronic): 1467-8659
Publisher: Wiley-Blackwell
URL: http://dx.doi.org/10.1111/1467-8659.1230025
DOI: 10.1111/1467-8659.1230025
Notes: Paper presented at Eurographics '93, Barcelona, Spain, 6-10 September 1993.
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