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Combining Volume Rendering with Line and Surface Rendering
(Eurographics Association, 1991)
Volume data is discrete sampled data in the three-dimensional space. Volume rendering is defined as volume visualization directly from volume primitives and not via surface primitives. Geometric objects are represented as ...
Declarative Graphics And Dynamic Interaction
(Eurographics Association, 1991)
First order logic provides a means of integrating the specification and prototyping of interactive systems. It can describe graphical images in a declarative and order independent manner. It supports the definition of ...
Configurable Representations in Feature-based Modelling
(Eurographics Association, 1991)
A double description is proposed for the representation of a feature-based model which supports the distinction between form and functionality. This description consists of a primary representation in terms of geometric ...
Continuation Methods for Approximating Isovalued Complex Surfaces
(Eurographics Association, 1991)
Basically there are two different approaches for rendering isovalued surfaces in 3D space: projection methods and surface reconstruction. We are discussing two algorithms of the second kind. Both use continuation methods ...
A Testbed for Architectural Modeling
(Eurographics Association, 1991)
This paper describes the philosophy and implementation of a modeling system that is easy to use yet addresses some of the difficulties of design. It does this by supporting concurrent schematic and geometric representations, ...
C 2 Gregory patch
(Eurographics Association, 1991)
G² continuity of free-form surfaces is sometimes very important in engineering applications. The conditions for G2 continuity between two Bezier patches has been studied and methods developed to ensure such continuity. ...
Computational Physics : A Modeler - Simulator for animated physical Objects
(Eurographics Association, 1991)
Physical modeling for animation is now firmly established. The present aim is to design and build a structured and well-defined tool rather than merely specific algorithms to simulate physical knowledge. We will first ...
Fast Rendering of General Ellipses
(Eurographics Association, 1991)
Even though GKS did not include circles and, in a more general form, ellipses and elliptical arcs in the list of elementary graphics primitives, CGM settled this omission with its standardization in 1987. According to CGM ...
Using temporal and spatial coherence for accelerating the calculation of animation sequences
(Eurographics Association, 1991)
Ray tracing is a well known technique for generating realistic images. One of the major drawbacks of this approach are the extensive computational requirements for image calculation. When generating animation sequences ...
Validity Issues for Modular Boundary Models
(Eurographics Association, 1991)
Modular boundary models are a class of solid models which describe a solid object as a collection of face-abutting object parts, called components. The Face-to-Face Composition (FFC) model is a specific model of this class, ...