Now showing items 1-20 of 4794

    • Towards a 3-D Graphics Workstation 

      Kaufmann, Arie (The Eurographics Association, 1986)
      A voxel-map based architecture which lays the foundations for a 3-D graphics workstation,called the CUBE Workstation, is presented. The architecture is centered around a largecubic frame-buffer of voxels, operated on by ...
    • Utilization of VLSI for Creating an Active Data Base of 3-D Geometric Models 

      Skyttä, J.; Takala, T. (The Eurographics Association, 1986)
      Parallelism of geometric computation can be achieved by distributing the computation efforts according to essentially three different strategies, based on functional, spatial and structural division, respectively (Mantyla ...
    • A Visual System for a Traffic Simulator 

      Möller, R. (The Eurographics Association, 1986)
      The prototype of a modular CGI-system for real time simulation in atraffic simulator will be presented. It will be shown, that withthe proposed configuration of a large asymmetric multiprocessorsystem, organized in different ...
    • "Position Paper:Display Hardware for Boolean Expression Models" 

      Thomas, A. L. (The Eurographics Association, 1986)
      In any discussion of graphics hardware there appear to be two basic positions which can be adopted. The first is that of the technologist, who is primarily concerned with what it is possible to make and how to make it. The ...
    • A Survey of Simulator Requirements 

      Joseph, H. (The Eurographics Association, 1986)
      Simulators have been developed to train pilots, sailors or car drivers withoutthe costs and risks of moving their real vehicles. To obtain high success intraining, the simulators have to provide a high level of realism. ...
    • Towards a Z-Buffer and Ray-Tracing Multimode System based on Parallel Architecture and VLSI chips 

      P.Lemy, (The Eurographics Association, 1986)
      After the hidden surfaces algorithms for 3D rastergraphics, hardware design isthe main problem, for many applicat ions, such as : Audiovisual animat ions. CADCAM,and simulation.After a short description of our CUBI 7 system ...
    • CSG Hidden Surface Algorithms for VLSI Hardware Systems 

      Jansen, Frederik W. (The Eurographics Association, 1986)
      Constructive Solid Geometry (CSG) is a solid modeling representation thatdefines objects ·as Boolean combinations of primitive solids. For thedisplay of such objects, both the visibility problem and the problem ofcombining ...
    • Looking at Workstation Architectures from the Viewpoint of Interaction 

      Krömker, Detlef (The Eurographics Association, 1986)
      Today's design of sophisticated graphics workstations may be characterized by the terms 3D-system, user driven, object-oriented user interfaceand multiple-windows system with the challenge to create high levelinterfaces ...
    • AVLSI Chip for Ray Tracing Bicubic Patches 

      Pulleyblank, R W.; Kapenga, J. (The Eurographics Association, 1986)
      A VLSI chip for ray tracing bicubic patches in Bezier form is explored. The purpose of the chip is to calculate the intersection point of a ray with the bicubic patch to a specified level of accuracy, returning the location ...
    • Developments in High Performance CGI Systems 

      Grimsdale, R L.; Lister, P. F. (The Eurographics Association, 1986)
      This contribution describes some work being undertaken in the design andimplementation of architectures for high performance Computer Image Generationfor a range of applications from workstations to flight simulator visual ...
    • Display Architecture for VLSI -based Graphics Workstations 

      Hagen, P. J. W. ten; Kujik, A. A.M.; Trienekens, C. G. (The Eurographics Association, 1986)
      At present, two popular development areas in computer graphics are improvement ofinteraction behaviour and more realistic graphics.The architecture for a high quality interactive workstation proposed in this work isdesigned ...
    • New Algorithms for Computer Graphics 

      Ovennars, Mark H. (The Eurographics Association, 1987)
      "IntroductionThe area of computational geometry deals with the study of algorithms for problems concerning geometric objects like e.g. lines, polygons, circles, etc. in the plane and in higher dimensional space. Since its ...
    • Reconstructing Solids from Tomographic Scans --The PARCUM II System-· 

      Jackèl, D. (The Eurographics Association, 1987)
      The computer-aided design of mechanical parts is supported by sophisticated geometric modelers and visualized by high-performance raster graphics systems allowing for a realistic display. The geometric modeler accepts the ...
    • Cellular Architectures and Algorithmsfor Image Synthesis 

      Meriaux, Michel (The Eurographics Association, 1987)
      The aim of this paper is to provide some refiexions and partial results about cellular architectures for image synthesis and graphics. As some steps of image synthesis involve a long processing time, quite incompatible ...
    • Parallel Subpixel Scanconversion 

      Claussen, Ute (The Eurographics Association, 1987)
      "IntroductionComputer graphics and its subsections image processing, image analysis and image generation are known to be a wide field for the application of parallel architectures. While in image processing and analysis ...
    • Ray Tracing Rational B-Spline Patches in VLSI 

      Schneider, Bengt-Olaf (The Eurographics Association, 1987)
      Rational B-spline surfaces make it possible to merge the concepts of freeform surfaces and that of surfaces described by rational polynomials especially conic sections. For ray tracing it is crucial to determine the ...
    • A Vector-like Architecture for Raster Graphics 

      Akman, Varol; Hagen, Paul ten; Kuijk, Fons (The Eurographics Association, 1987)
      Raster graphics, while good at achieving realistic and cost-effective image generation, lacks useful (e.g. high-level) and fast (e.g. almost real-time) interaction facilities. One may try to speed up the entire classical ...
    • VLSI Drawing Processor Utilizing Multiple ParallelScan-Line Processors 

      Denault, Damian; Ryherd, Eric; Torborg, John (The Eurographics Association, 1987)
      In a typical graphics system, a single drawing processor is used to perform pixel level drawing operations, one pixel at a time. A VLSI based drawing processor and image memory controller is presented which takes advantage ...
    • An Exact Incremental Hidden Surface RemovalAlgorithm 

      Kuijk, A.A.M.; Hagen, P.J. W. ten; Akman, V. (The Eurographics Association, 1987)
      This paper describes an incremental Hidden Surface Removal Algorithm (HSRA), developed to be embedded in a new architecture for raster graphics described in [1,7]. The algorithm can be classified as "exact" since it operates ...
    • 3D Graphics For Consumer Applications -How Realistic Does it Have to Be? 

      Winser, Paul (The Eurographics Association, 1987)
      The design of graphics Ie's for the consumer market has performance limitations imposed by the need to maintain low cost, and must be driven by consideration of the potential applications. The likely requirements for a ...