Browsing EG1988 Proceedings (Technical Papers) by Title
Now showing items 120 of 41

Animation of Stochastic ModelBased 3D Textures
(Eurographics Association, 1988)We have previously shown the validity of a statistical model proposed by us for realistic textures. We have also shown how to use this model to map realistic textures onto a still surface of any shape and extent, maintaining ... 
Application Profiles for Computer Graphics Standards  A Touch of Realism
(Eurographics Association, 1988)Computer graphics standards have become widely used and are now a fact of life. We have reached the stage of reviewing and extending the current standards. There is an important move within the user community which needs ... 
Architectures for Mass Market 3D Displays
(Eurographics Association, 1988)We discuss the specific architecture requirements of real time 3D display systems intended for low cost mass market products of the near future. Vertex transformation and polygon rendering are two processing aspects where ... 
Automatic Detection of Closed Parametric Surfaces without Interior
(Eurographics Association, 1988)This paper presents an algorithm for the automatic detection of closed piecewise parametric surfaces without any inside or outside, e.g. a Klein bottle. The algorithm is able to decide whether a given closed surface is ... 
Boundary to Constructive Solid Geometry: A Step Towards 3D Conversion
(Eurographics Association, 1988)Several solid representation schemes exist today in solid modeling. As none of them has properties that are uniformly better than any other, the need for modeling systems working on two or more different schemes which ... 
The Calculus of the NonExact Perspective Projection  SceneShifting for Computer Animation
(Eurographics Association, 1988)This paper shows the principle way to apply the, sceneshiftin technique of the classical film to computer animation. calculus is presented which is a modification of the wellknown classical calculus of the perspective ... 
COLOUR SECTION
(Eurographics Association, 1988) 
A Compositional Semantics for Graphics
(Eurographics Association, 1988)In this paper a theory for developing "intelligent" interactive graphic systems is detailed. The Fregean compositionality principle is enunciated for graphical representations. Geometrical symbols and relations receive ... 
Conic BetaSplines with Local Tension Control for Interactive Curve Fitting
(Eurographics Association, 1988)Polynomial Betasplines were introduced by Barsky as an extension of polynomial Bsplines with bias and tension parameters which allow more flexibility in controlling shape in curve fitting. It is possible to show that a ... 
Construction and Animation of a Synthetic Actress
(Eurographics Association, 1988)This paper describes a method for creating and animating a synthetic actress. It emphasizes the methodology used to generate realistic images and motions. In particular, points which are often ignored in the literature are ... 
Conversion of Boundary Representations to Bintrees
(Eurographics Association, 1988)Methods for the conversion from boundaryrepresentations to approximation models (especially the bintree model) are examined. A new algorithm for the conversion to the bintree model is presented. It employs an inheritence ... 
The Development of PHEX, a 3D Graphics Extension to X11
(Eurographics Association, 1988)Today, many computer applications require both 3 dimensional (3D) graphics and window management. The new ISO PHIGS [1] and GKS3D [2] standards define functional interfaces for applications needing 3D graphics but do not ... 
Efficient Adaptive Subdivision of Bezier Surfaces
(Eurographics Association, 1988)The support of freeform surfaces by modem solid modeling systems has necessitated the development of hardware and algorithms for the interactive display of surface patches. This paper describes an algorithm for the display ... 
An Evaluation of CSG Trees Based on Polyhedral Solids
(Eurographics Association, 1988)Set operation on polyhedra is an important component of Geometric Modeling System (GMS) when a Constructive Solid Geometry (CSG) representation with polyhedral solid primitives is used. Output data will be the unique ... 
A Evalution of Some ThreeColor Tiling Patterns
(Eurographics Association, 1988)Some new technologies for information display use discrete arrays of cells or picture elements. Each cell displays a single color and the colors do not overlap as they do on a CRT screen. Colored cells are distributed on ... 
Experimenting with a Parallel RayTracing Algorithm on a Hypercube Machine
(Eurographics Association, 1988)A parallel space tracing algorithm is presented. It subdivides the scene into regions. These latter are distributed among the processors of an iPSC hypercube machine designed by Intel company. Each processor subdivides its ... 
An Expert System for Polyhedra Modelling
(Eurographics Association, 1988)Very often we wish to construct shapes according to some criteria, which are properties we want the object to possess. In this case explicit construction becomes an inadapted way of working. One would wish to obtain the ... 
Fast Algorithm for Polygon Clipping with 3D Windows
(Eurographics Association, 1988)Many applications which use 3D graphics, need 3D geometric modeling and hence polygon clipping against 3D Windows or general volumes. The disadvantages of existing clipping algorithms are that they are 2D, slow or produce ... 
FormFactors for General Environments
(Eurographics Association, 1988)A new algorithm, based on the hemicube formulation, which calculates the formfactors required by the solution of the rendering equation, is presented. The concept of formfactors of the standard radiosity method is ... 
A Formal Specification of a Boundary Representation
(Eurographics Association, 1988)Geometric modellers are used in a wide spectrum of applications in computer graphics. As many other applications use the generated internal representation of solids, semantic correctness is of special importance. On the ...