Recent Submissions

  • PRELOG - A SYSTEM FOR PRESENTING AND RENDERING LOGIC SPECIFICATIONS OF INTERACTIVE SYSTEMS 

    Johnson, C.W.; Harrison, M.D. (Eurographics Association, 1990)
    Formal specifications provide the non-specialist with an extremely poor impression of what it would be like to interact with a computer system. Prototypes provide a far better impression of the ‘look and feel’ of possible ...
  • Fast Rendering of Arbitrary Distributed Volume Densities 

    Sakas, Georgios (Eurographics Association, 1990)
    In recent years a number of techniques have been developed for rendering volume effects (haze, fog, smoke, clouds, etc.). These techniques are either time consuming (ray-tracing, radiosity) or do not account for arbitrary ...
  • OPTIMIZATION OF THE BINARY SPACE PARTITION ALGORITHM (BSP) FOR THE VISUALIZATION OF DYNAMIC SCENES 

    Torres, Enric (Eurographics Association, 1990)
    This paper describes an improvement of the generation of BSP trees and its utilization in the visualization of dynamic polyhedral scenes. Dynamic BSP trees, a new six-level structure, are presented. Dynamic BSP trees are ...
  • TRIES: DATA STRUCTURES BASED ON BINARY REPRESENTATION FOR RAY TRACING 

    Thirion, Jean-Philippe (Eurographics Association, 1990)
    Tries are data structures used for multidimensional searching. We introduce an original method to build Tries for a set of convex polyhedra, weshow how Tries can be used for Ray tracing and we compare them with other data ...
  • AN APPROACH TO THE FORMAL SPECIFICATION OF THE COMPONENTS OF AN INTERACTION 

    Faconti, Giorgio P.; Paterno, Fabio (Eurographics Association, 1990)
    In this paper we present the preliminary results from a work aiming to the formal specification af a model suitable for the description of interactive graphics program within the framework defined by the Reference Model ...
  • WSE: An Environment for Exploring Window Strategies 

    Koivunen, Marja-Riitta (Eurographics Association, 1990)
    This paper describes Window Strategies Environment (WSE), which is an environment for exploring different window strategies. It is a tool for developers who want to implement and explore different window strategies easily. ...
  • RENDERING MIRAGES AND OTHER ATMOSPHERIC PHENOMENA 

    Berger, Marc; Levit, Nancy; Trout, Terry (Eurographics Association, 1990)
    The past few years have seen some very impressive results in rendering natural phenomena. This paper addresses the problem of how to model and render optical illusions brought about by atmospheric refraction. Refraction ...
  • THREE-DIMENSIONAL TEXTURING USING LATTICES 

    Lewis, Robert R. (Eurographics Association, 1990)
    This paper describes a way to perform realistic three-dimensional texturing of ray-traced objects with irregular surfaces. Such texturing has teen done in the past with texture mapping, particle systems, or volumetric ...
  • INTERACTIVE RAY-TRACING FOR IMAGE PRODUCTION WITH INCREASING REALISM 

    Sousa, A. Augusto; Costa, Antonio M. C.; Ferreira, Fernando N. (Eurographics Association, 1990)
    The generation of highly realistic images using the conventional Ray-Tracing algorithm, in CAD environments, is totally out of the question if we consider the interactive requirements of most CAD systems. In this paper, ...
  • AUTOMATIC MODELLING OF NATURAL SCENES FOR GENERATING SYNTHETIC MOVIES 

    Koch, Reinhard (Eurographics Association, 1990)
    A model based analysis by synthesis algorithm is presented. It combines image analysis and synthesis techniques to obtain a three dimensional scene description and to generate synthetic movies out of that scene description. ...
  • AN APPROACH TO IMPROVE THE RELIABILITY OF BOOLEAN OPERATION ON A PAIR OF POLYHEDRA 

    Li, Xinyou; Sun, Jiaguang; Tang, Zesheng (Eurographics Association, 1990)
    It is essential and pressing to improve reliability of Boolean operations in geometric modelling systems. The Boolean operations in commercial systems now available are not reliable enough because of numerical calculation ...
  • RECONSTRUCTION OF A BOUNDARY REPRESENTATION MODEL FROM THREE ORTHOGRAPHIC PROJECTIONS: A GEOMETRICAL APPROACH 

    Müller, A.; Richter, D. (Eurographics Association, 1990)
    A method is presented for creating a boundary representation model from engineering projections. Although the topic of this reconstruction method has been studied for a few years the fundamentals of reconstruction are ...
  • A RASTER GRAPHICS APPROACH TO FLOW VISUALIZATION 

    van Wijk, Jarke J. (Eurographics Association, 1990)
    Most techniques for the visualization of fluid dynamics are based on vector graphics. Streamlines or arrows are calculated as vectors, which are converted to pixels for display on raster devices. The techniques described ...
  • Hemi-Cube Ray-Tracing: A Method for Generating Soft Shadows 

    Meyer, Urs (Eurographics Association, 1990)
    This paper presents a new ray-tracing technique for generating soft shadows. The technique treats scenes consisting of light sources and opaque objects which are polygons or polyhedra of arbitrary shape and size. To determine ...
  • AN INTERPOLATION METHOD FOR STOCHASTIC MODELS 

    Ramstein, G. (Eurographics Association, 1990)
    This paper presents a method using stochastic models for the simulation and interpolation of natural phenomena. These models are based on the general concept of random functions with stationary increments, to which the fbm ...
  • Mathematical Models for Semi-globalized Spectral Synthesis 

    Anjyo, Ken-ichi (Eurographics Association, 1990)
    Semi-globalized spectral synthesis is proposed as a new tool for three-dimensional scene description consisting of many natural objects, such as terrain, sea waves, and clouds. The method is based on the mathematical theory ...
  • HYPERIMAGES - AN ALTERNATIVE TO THE CONVENTIONAL DIGITAL IMAGES 

    Bieri, Hanspeter (Eurographics Association, 1990)
    Hyperimages represent a variation of the conventional digital images which implies pixels of different dimensions within the same image. The extent of a hyperimage is the disjoint union of all pixel extents it contains, ...
  • A Stochastic Functional Approach for Terrain Modeling 

    Dong, Jun-Cai; Peng, Qun-Sheng; Liang, You-Dong (Eurographics Association, 1990)
    A new functional modeling approach - -functional modeling, is presented to depict various classes of natural terrain. While this approach possesses the functions of several previous methods, it does not suffer the drawbacks ...
  • On Formulation and Display for Visualizing Features and Evaluating Quality of Free-form Surfaces 

    Higashi, Masatake; Kushimoto, Takuya; Hosaka, Mamoru (Eurographics Association, 1990)
    For evaluating quality of free-form surfaces and visualizing their features, various curves on a surface, which characterize its properties, are defined and their equations are deduced. Newly introduced curves include those ...
  • EDEN - AN EDITOR ENVIRONMENT FOR OBJECT- ORIENTED GRAPHICS EDITING 

    Fellner, Dieter W.; Kappe, F. (Eurographics Association, 1990)
    Systems allowing the creation and manipulation of graphical information (so-called Graphic Editors) have become essential in various fields of applications. At the same time the typical user of such a system has changed. ...

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