Volume 04 (1985)

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    Book Reviews
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
    A Programmer’s Geometry by A. Bowyer and J. Woodwark.Computer Aided Design: Fundamentals and System Architecture by J. Encaracao and E.G. Schlechtendahl.
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    CORRIGENDA
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    Future EUROGRAPHICS Conferences
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    SICGRAPH Video Reviews
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    Moving Picture Synthesis at Linkoping University
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Fahlander, Olov
    We believe that in the future we will see a diverse variety of applications in the now emerging technology of real time computer animation. Such animations impose stringent computational and bandwidth demands on the underlying system. It is important to investigate carefully the methods best suited to the particular requirements of animation when motion is involved.1,2,3 In this paper we describe a system - Retina - which is now operational. We discuss the underlying concept of parameterization, which is of fundamental importance to the software design. Some timing data for this system will be given. A short description of the 3D editor, which is currently under development, is also given.
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    Executive Committee Elections
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Duce, David
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    Report of the Timberline Meeting of ISO TC97/SC21/WG2 "Computer Graphics"
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Bono, Peter R.
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    Book Review
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Oliver, Martin
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    Concerning the Specification of User Interfaces
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Duce, D. A.
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    EUROGRAPHICS-85 Best Paper Award
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Vandoni, C E
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    Proposed Revisions to the EUROGRAPHICS UK Chapter Constitution
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    Implementations using GKS Pascal Binding Appeal for Information
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Sparks, Madeleine; Gallop, Julian
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    User Interaction with an Environment for Image Processing and Graphics
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Westrup, T D; Kegel, W.; Gras, J.
    The Space Telescope Faint Object Camera is one of the most exciting projects in astronomical history, and will expand the volume of the observable universe by a factor of almost one thousand. In order to process the images from this instrument a FOC Image Processing System (FIPS) has been developed at the European Space Technology Centre (ESTEC) in Holland.Amongst other features, such as means to input, display, store, retrieve and output image and graphics data, FIPS places much emphasis on the user interface. The FIPS Command Language (FCL) is based on algorithmic languages such as PASCAL, C, ALGOL, etc, rather than conventional Job Control Languages, and thus includes control statements, compound statements, functions and procedures, assignment statements, etc. These allow the user to define complex functions out of the basic commands and to process for example, sets of images and graphics files without intervention.In addition, FCL allows command parameters to be specified either by default, canonically, by means of keywords, or via prompts to take account of the experience of the user. HELP information can be invoked both at the command and parameter levels, to assist the inexperienced user. As image processing can be time consuming, certain operations (e.g. rotate an image) can be performed asynchronously to avoid delaying interactive user input.Some examples of the practical usage of FIPS are also given, and the paper concludes with an assessment of how well FIPS has met its objectives and what improvements would be beneficial.FIPS is available on a commercial basis from Dynaflow Software Systems. For further information contact J Gras at the address indicated.
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    EUROGRAPHICS '85
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    Computer Animation and Art Slide Competition
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Rambert, Patrick
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    Micro-based CAD: A Production Tool for Manufacturing Engineering
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Goldman, Gary S.
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    Eurographics Uk Chapter 4th UK Conference
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Kilgour, Alistair
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    AFFILIATION AGREEMENT
    (Blackwell Publishing Ltd and the Eurographics Association, 1985)
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    Better Understanding through Formal Specification
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Duce, D. A.; Fielding, E. V. C.
    The Graphical Kernel System (GKS) is now registered as an ISO International Standard for computer graphics programming. One of the major innovations of the Standard is the bundled specification of aspects, a mechanism which gives the applications programmer the ability to tailor the appearance of a picture independently on each of the workstations on which it is displayed, using the capabilities of the workstations. GKS also incorporates the traditional method of individual specification of aspects in which each workstation does the best it can to represent global aspect values. In this paper a formal specification technique, the Vienna Development Method (VDM), is used to describe aspect specification. The GKS model of aspect specification is progressively constructed from simpler models. Properties of these simpler models are formulated and the specifications are proved to conform to these. The properties are then traced through the more complex models. The paper demonstrates the applicability of formal specification to the design of graphics software and the ability of formal techniques to catalyse the deeper understanding of designs.
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    Dear EUROGRAPHICS Friends!
    (Blackwell Publishing Ltd and the Eurographics Association, 1985) Encarnacao, Jose