Now showing items 1-20 of 35

    • A PAINT PROGRAM FOR THE GRAPHIC ARTS IN PRINTING 

      Willis, P J (The Eurographics Association, 84)
      There is considerable scope for the application of computer techniques to help the graphic designer working with printed products, provided that pictures of high technical quality result. Described here is the product of ...
    • APPLICATION OF COMPUTER-GENERATED ANIMATION IN EUROPEAN SPACE RESEARCH 

      Kristiansen, E. (The Eurographics Association, 84)
      In space research, there is often a need to illustrate motion, such as a spacecraft's orbital motion and attitude manoeuvres. This paper presents various types of applications for computer generated animation in space ...
    • COMPUTER-AIDED THREE-DIMENSIONAL RECONSTRUCTION FROM SERIAL SECTIONS: A SOFTWARE PACKAGE FOR RECONSTRUCTION AND SELECTIVE IMAGE GENERATION FOR COMPLEX TOPOLOGIES 

      Huijsmans, D. P.; Lamers, W. H.; Los, J. A.; Smith, J.; Strackee, J. (The Eurographics Association, 1984)
      To extend computer-aided three-dimensional reconstruction of (microscopic) biological structures to complex topologies, a number of specially developed contour algorithms are employed to generate hidden-line displays of ...
    • GENERATING HIGH QUALITY PICTURES BY RAY-TRACING 

      BOUVILLE, C.; DUBOIS, J.L.; MARCHAL, I. (The Eurographics Association, 1984)
      Ray-casting techniques provide a very general framework in which many problems can be solved in a much easier way than with conventional methods. This is particularly true for the illumination model when a high level of ...
    • NUMERICAL SIMULATION AND VIDEO DISPLAY OF DYNAMIC PROBLEMS 

      Janick, CARNET; Jacques, DUJARDIN (The Eurographics Association, 1984)
      The increasing ability of computers to digest and regurgitate numerical results requires graphic displays which allow new and complex problems to be dealt with. In this paper we present software designed to study phenomena ...
    • COMPUTER GRAPHICS DEVELOPMENT IN EUROPE 

      Marechal, Guy; Matthys, Jan (The Eurographics Association, 1984)
      Europe is becoming aware that a political determination to collaborate is required, if it wants to attain the position it could claim on the basis of its research achievements. This is especially true in the field of ...
    • SUDS - SUrface Description System 

      Moretonl, Henry P.; Bergeron, R. Daniel (The Eurographics Association, 1984)
      A library of routines has been developed for the design of arbitrarily curved three-dimensional surfaces. The routines provide for the description and editing of surfaces. Surfaces are defined by families of parametric ...
    • EXPERIENCES WITH NEW IMAGE COMPONENT ALGORITHMS 

      Samet, Hanan; Tamminen, Markku (The Eurographics Association, 1984)
      We present experiences and comparisons evaluating a fast algorithm for connected component labeling of quad- and octrees. The algorithm works without loss of efficiency on linear tree representations that may reside in ...
    • Three-Dimensional Data Input by Selection of Hierarchically Defined Blocks 

      Yamaguchi, K.; Inamoto, N.; Kunii, H. S.; Kunii, T. L. (The Eurographics Association, 1984)
      This paper discusses inputing three dimensional solid object data by means of a two dimensional tablet. This method involves refining an object by gradually generalizing a class of 'permissible' objects. The design of an ...
    • SHAPING THE FUTURE A SYSTEMS APPROACH TO MIS PLANNING 

      Kirkley, John L. (The Eurographics Association, 1984)
    • USER INTERFACE: CONCEPTS AND SPECIFICATIONS 

      Spliid, Axel Monrad; Sorgen, Amos (The Eurographics Association, 1984)
      A CAD/CAM/CAE system may be very powerful, but its acceptance among a user group depends heavily on its User Interface. It is very important that the User Interface of such a system can easily be adapted to the engineer's ...
    • THE DESIGN OF A USER INTERFACE FOR A CAM APPLICATION 

      Sauter, Roland (The Eurographics Association, 1984)
      This paper describes a user interface which has been designed for the rough environment of a workshop floor. It has a strictly hierarchical structure of the commands, but allows a lot of context-free operator's actions and ...
    • INTERACTIVE EDITING OF POLYGONS 

      Olsson, Lennart (The Eurographics Association, 1984)
      This paper describes an internal data structure which can be used in interactive editing of polygons. A user can delete, restore, split and merge polygons and change type and direction of polygons. The polygons that are ...
    • Twixt: A 3D Animation System 

      Gomez, Julian E. (The Eurographics Association, 1984)
      This paper describes a visually interactive 3D computer animation system. Animation is controlled by lists of events stored in tracks. Tracks are interpolated by functions that have an arbitrary degree of knowledge about ...
    • AN ANALYTICAL VISIBILITY METHOD FOR DISPLAYING PARAMETRICALLY DEFINED SURFACES 

      Rehwald, Peter; Hornung, Christoph (The Eurographics Association, 1984)
      This paper describes an analytical method to determine the visible parts of a Cartesian product surface. The bounds of these visible areas are determined in terms of the (u,v)-parameter-plane. This leads to many advantages ...
    • A NEW DISPLAY FILE STRUCTURE FOR LINE AND SURFACE PRESENTATIONS 

      Krmer, Thomas; Rix, Joachim (The Eurographics Association, 1984)
      In the design process of 3D objects i t will be helpful to use not only an output pipeline design for a wire frame model on a vector device but also for shaded surface presentations on a raster device. To reduce the total ...
    • THE DEVELOPMENT OF COMPUTER GRAPHICS CURRICULA FOR DESIGN EDUCATION 

      King, Robin G. (The Eurographics Association, 1984)
      With the imminent availability of low cost, high resolution computer graphics systems suitable for visual and graphic arts applications, design education must now come to terms with radical changes in design methodology ...
    • TWO DISPLAY ALGORITHMS FOR OCTTREES 

      Oliver, M.A. (The Eurographics Association, 1984)
      This paper deals with the problem of the fast display of a three dimensional object that is represented by an Octtree with the Octtree encoded as a simple linear structure without pointers. Two algorithms are described: ...
    • QUADTREE SCAN CONVERSION 

      Oliver, M.A.; King, T.R.; Wiseman, N.E. (The Eurographics Association, 1984)
      An efficient method is described for turning a quadtree encoding of an image into scan lines. When implemented in hardware it becomes possible to generate video in real time for a raster display without the need for a ...
    • HOW INTELLIGENT CAN BUSINESS GRAPHICS SOFTWARE BE? 

      Jones, Peter R. (The Eurographics Association, 1984)
      This paper justifies the question posed in its title, by pointing out some of the reasons which make the use of a "quasi" automatic system necessary, when customized performances of the intelligence built in a business ...