Abstract
There are now three International Standards for application program interfaces for computer graphics programming, GKS, GKS-3D and PHIGS. In this paper a simplified model GKS-like system is described and a 2D PHIGS-like system is then described in terms of this and a centralised structure store. Formal specifications of the systems are given illustrating how the specification of a system can be built up from a hierarchy of simple components. The purpose of the paper is to illustrate one approach to the description of a compatible family of graphics standards and the use of formal specification techniques in this process.
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References
ObjEx Reference Manual,Gerrard Software Ltd, UK (1987).
D.A. Duce, E.V.C. Fielding and L.S. Marshall. Formal Specification of a Small Example Based on GKS, Transaction on Graphics 7 (3) pp. 180–197, 1988.
R.M. Gallimore, D. Coleman and V. Stavridou. UMIST OBJ: a Language for Executable Program Specification, Computer Journal 32(5) pp. 413–421, 1989.
ISO. Information processing systems — Computer graphics — Graphical Kernal System (GKS) functional description, ISO 7942, ISO Central Secretariat, August 1985.
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ISO. Information processing systems — Computer graphics — Programmer’s Hierarchical Interactive Graphics System functional description, ISO/IEC 9592: 1, 1989.
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© 2000 Springer Science+Business Media New York
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Duce, D.A. (2000). Applications of OBJ to the Specification of Standards for Computer Graphics. In: Goguen, J., Malcolm, G. (eds) Software Engineering with OBJ. Advances in Formal Methods, vol 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-6541-0_4
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DOI: https://doi.org/10.1007/978-1-4757-6541-0_4
Publisher Name: Springer, Boston, MA
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