Browsing EG1986 Proceedings (Technical Papers) by Title

Now showing items 6-25 of 28

    • Deformations of Sweep Objects in Solid Modelling 

      Post, Frits H.; Klok, Fopke (The Eurographics Association, 1986)
      Deformations, such as bending, twisting and tapering, are important operations for modifying the shape of solid objects. In this paper, we present methods to deform objects defined by sweeping. A closed 2D polygon (the ...

    • Digital Synthesis Of Calligraphic Script 

      Dooijes, E.H. (The Eurographics Association, 1986)
      We discuss some of the problems associated with the generation of publication quality, quasi-calligraphic script from keyboard input. Our ultimate goal is the construction of a system for the production of Arabic texts, ...

    • A General Purpose User Interface With Hierarchical Data Structure Management 

      Janni, Alberto Di; Italiano, Margherita (The Eurographics Association, 1986)
      This paper presents a general purpose User Interface Management System based upon a user driven menu handling and a hierarchical organization of graphic data structure. The package has mainly two purposes: one being to ...

    • Geometric Boundary Modelling without Topological Data Structures 

      Takala, Tapio (The Eurographics Association, 1986)
      The Boundary Representation (BR) scheme for solid modelling is reconsidered and generalized in the paper. It is pointed out that the topological data, though usually represented separately, is derivable from the geometric ...

    • An Implementation of the GKS-3D/Phigs Viewing Pipeline 

      Singleton, Karen (The Eurographics Association, 1986)
      Following the establishment of GKS as the first international standard for computer graphics, two new standards, GKS-3D and PHIGS, are emerging which cater for three dimensional graphics. In order to display a 3-D object, ...

    • The Integrated Display Controller (IDC) for VLSI-Design Workstations 

      Strk, Jrgen (The Eurographics Association, 1986)
      A display controller to accelerate the updating of the frame buffer in raster displays is presented. The advantage of a frame buffer system is the ability to display pictures of any complexity, flicker free. The disadvantage ...

    • The Integration of Particle and Polygon Rendering using an A-buffer Algorithm 

      N.Magnenat-Thalmann,; D.Thalmann,; S.Beland, (The Eurographics Association, 1986)
      A particle system, as defined by Reeves, is a collection of particles that together represent a fuzzy object. Over a period of time, particles in the system are born, move, change and die. We have introduced interactive ...

    • An Introduction to the Graphics Systems Processor 

      Short, Graham (The Eurographics Association, 1986)
      This paper describes the system applications of the Graphics System Processor (GSP) produced by Texas Instruments Inc. The paper discusses the general-purpose capabilities of the GSP which make it a flexible processor to ...

    • Linked Management Graphics For Production Control 

      Woodgate, H. Sam (The Eurographics Association, 1986)
      This paper describes the use of Linked Graphical Displays as a means of extending the information transfer capability of Management Graphics Systems in the context of Engineering Manufacturing. As the pace and complexity ...

    • Mappings Between Product Data Definitions 

      Richter, Dieter (The Eurographics Association, 1986)
      It can be observed that existing product data interfaces are constructed by a pragmatic manner. It is not seen any theoretical approach neither for describing nor for evaluating models. In this paper an algebraic approach ...

    • Memory Organization for a Cubic Frame Buffer 

      Kaufman, Arie (The Eurographics Association, 1986)
      A special memory organization of a cubic voxel-based frame buffer is presented. The memory of voxels is divided into n modules of voxels each. The k-th module groups together all the principal diagonal planes within the ...

    • Methods for Cross-Sectional Design of B-Spline Surfaces 

      Woodward, Charles D. (The Eurographics Association, 1986)
      The complexity of free-form surface construction and interaction can often be reduced with methods of crosssectional design. A number of such methods, includin sweeps, skinning and surface interpolation are described in ...

    • Multi-Dimensional Graphics: Algorithms & Applications 

      Inselberg, Alfred (The Eurographics Association, 1986)

    • A Multiple Application Graphics Integrated Circuit - MAGIC 

      Agate, M.; Finch, H.R.; Garel, A.A.; Grimsdale, R.L.; Simmonds, A.C.; Lister, P. F. (The Eurographics Association, 1986)
      MAGIC is a geometry processor which Corms a part of a graphics system based on parallel processing. The number of MAGIC processors required is dictated by the desired system performance. Each unit is capable of controlling ...

    • A Multiprocessor Architecture For High-Quality Interactive Displays 

      Sutherland, Robert J. (The Eurographics Association, 1986)
      A multiprocessor array coupled to a deep framebuffer is proposed as the basis for an interactive user environment of high quality. Several aspects of such an architecture are considered, improvements on previous approaches ...

    • A Pixel-Parallelhidden Surface Algorithm For Constructive Solid Geometry 

      Jansen, Frederik W. (The Eurographics Association, 1986)
      VLSI techniques have greatly enlarged the possibilities to design new frame buffer architectures with parallel processing capabilities down to the pixel level. For these pixel processor systems a parallel hidden surface ...

    • A Portable Graphical Display System For The Partially Sighted 

      DUNLOP, G.R.; B.Sc.,; B.E.(Hons),; Ph.D.,; M.I.E.E.,; C.Elec.Eng., (The Eurographics Association, 1986)
      A portable reading aid based on a graphical display system has been developed for partially sighted persons. This graphical display system incorporates dual microprocessor control of a flat panel AC plasma display and a ...

    • A Quad-Tree Algorithm for Displaying a 2-Dimensional Slice of an N-Dimensional Weighted Voronoi Tessellation 

      Angell, Ian O.; Moore, Richard E.M. (The Eurographics Association, 1986)

    • A Statistical Method For Adaptive Stochastic Sampling 

      Purgathofer, Werner (The Eurographics Association, 1986)
      Stochastic sampling is a good alternative to pure oversampling in terms of image quality. A method for adaptively controlling the number of required samples to the complexity of the picture is presented. The quality of the ...

    • Towards a Formal Specification of the GKS Output Primitives 

      Duce, D. A.; Fielding, E. V. C. (The Eurographics Association, 1986)