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Browsing Volume 06 (1987) by Title

Now showing items 55-74 of 114

    • A Fast Antialiasing Method with a Z-Buffer 

      Ghazanfarpour, Djamchid; Peroche, Bernard (Eurographics Association, 1987)
      This paper describes a new antialiasing method when a z-buffer is used. Good quality antialiasing is achieved in spite of unavoidable approximations. Compared to an ordinary z-buffer, only a little extra memory space and ...

    • A Fast Ray Tracing Algorithm Using Space Indexing Techniques 

      Qunsheng, Peng; Zhu, Yining; Liang, Youdong (Eurographics Association, 1987)
      A fast ray tracing algorithm is presented. Spatial coherency is exploited by adopting a linear octree data structure which corresponds to an adaptive partitioning of space. A ray strides over a number of empty regions ...

    • A Fast Voxel Traversal Algorithm for Ray Tracing 

      Amanatides, John; Woo, Andrew (Eurographics Association, 1987)
      A fast and simple voxel traversal algorithm through a 3D space partition is introduced. Going from one voxel to its neighbour requires only two floating point comparisons and one floating point addition. Also, multiple ray ...

    • Filling Complex Polygons by Region-Fill Methods on Raster Graphics Terminals 

      Richards, J.E. (Blackwell Publishing Ltd and the Eurographics Association, 1987)
      A method is described for filling polygons according to the GKS Fill Area definition on terminals that provide only region-filling capabilities. The advantages and disadvantages of using this algorithm in GKS device drivers ...

    • Generative Scene Modelling 

      Beyer, Thomas; Friedell, Mark (Eurographics Association, 1987)
      We describe a new theory of scene modelling that includes generative processes as integral components of scene descriptions. A single, uniform treatment of generative processes replaces the variety of ad hoc mechanisms ...

    • GKS Review Workshop 

      Unknown author (Blackwell Publishing Ltd and the Eurographics Association, 1987)

    • GOCS - The GKS-oriented Communication System 

      Egelhaaf, Chr.; Schuermann, G. (Eurographics Association, 1987)
      We present a system which offers a distributed GKS in an open network. The GKS kernel and the workstations are located on different hosts. There is no restriction to the full level 2b functionality of GKS due to the ...

    • Graphic Acquisition and Retrieval of Stereochemical Information 

      Dubois, J.E.; Cayzergues, P.; Georgoulis, G. (Blackwell Publishing Ltd and the Eurographics Association, 1987)
      Stereochemistry concepts deal with situations associated with chiral arrangement of atoms in a molecule. The existence of stereocompounds implies different physical properties associated with local and global structural ...

    • Graphical Analysis of Complex O.D.E. Solutions 

      Richard, F. (Blackwell Publishing Ltd and the Eurographics Association, 1987)

    • Graphical Interaction Management 

      Barn, Balbir S.; Willis, Philip (Blackwell Publishing Ltd and the Eurographics Association, 1987)
      Graphical interfaces and interactive graphical programmes are awkward to write because of a lack of top-down structure. A methodology for constructing graphical programs will be described, together with a system that ...

    • Graphics in Reservoir Simulation 

      Watkins, Howard K. (Blackwell Publishing Ltd and the Eurographics Association, 1987)
      Reservoir Simulation is used to manage underground oil reservoirs, and the potential cost savings associated with increased oil recovery are enormous. Because of the mathematical complexity of simulation it is necessary ...

    • Graphics, Bifurcation, Order and Chaos 

      Pickover, C.A. (Blackwell Publishing Ltd and the Eurographics Association, 1987)
      Chaos theory involves the study of how complicated behaviour can arise in systems which are based on simple rules, and how minute changes in the input of a system can lead to large differences in the output. In this paper, ...

    • HIRASP: A Hierarchical Interactive Rastergraphics System Based on Pattern Graphs and Pattern Expressions 

      Teunissen, Wim J.M.; van den Bos, Jan (Eurographics Association, 1987)
      To exploit the full capabilities of raster graphics, two and three dimensional drawing primitives should play a preponderant role in the specification of a graphics standard. In addition there should be facilities for ...

    • An Implementer s View of CGM in GKS Environment 

      Moltedo, L.; Noferini, A. (Blackwell Publishing Ltd and the Eurographics Association, 1987)

    • Inaugural Meeting of the EUROGRAPMCS Spanish Chapter 

      Duce, D A (Blackwell Publishing Ltd and the Eurographics Association, 1987)

    • Institutional Membership Column 

      Encarnacao, J. L. (Blackwell Publishing Ltd and the Eurographics Association, 1987)

    • Interaction Management in CAD Systems with History Mechanism 

      Yamaguchi, Yasushi; Kimura, Fumihiko; Ten Hagen, Paul J. W. (Eurographics Association, 1987)
      User friendliness is one of the unresolved problems in CAD systems. There are many possible directions for improving user friendliness. Understanding of the modeling process is one of the most important directions. It is ...

    • Interactive Generation of Fractal Objects 

      Kaandorp, J. A. (Eurographics Association, 1987)
      In this paper a description is given of the development of data structures by which a large class of fractal objects can be represented using production rules, together with an algorithm to generate these objects. These ...

    • An Interactive Graphic Simulator for the Teaching of Fibrendoscopic Techniques 

      Gillies, Duncan; Williams, Christopher (Eurographics Association, 1987)
      A simulator has been designed and implemented for teaching the skills required for fibrendoscopic investigation of the colon. The student using the simulator manipulates a dummy endoscope control head in which the rotary ...

    • An Intersecting Modification to the Bresenham Algorithm 

      Skala, Viclav (Blackwell Publishing Ltd and the Eurographics Association, 1987)