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Now showing items 11-20 of 41
A New Paradigm for Geometric Processing
(Blackwell Science Ltd and the Eurographics Association, 1993)
A new paradigm for geometric processing is proposed. The paradigm can be featured by the four key phrases: (1) Totally Four Dimensional Homogeneous Processing, (2) 4 ? 4 Matrix Method and 4 ? 4 Determinant Method, (3) ...
Introducing blending operations in feature models
(Blackwell Science Ltd and the Eurographics Association, 1993)
We describe the implementation of a blending facility in the context of a feature modelling system where solid and feature-based modelling operations can be utilized in parallel during the design process of a part. The ...
A Rendering Algorithm for Discrete Volume Density Objects
(Blackwell Science Ltd and the Eurographics Association, 1993)
We present a new algorithm for simulating the effect of light travelling through volume objects. Such objects (haze, fog, clouds.) are usually modelized by voxel grids which define their density distribution in a discrete ...
Form Factor Calculation: a New Expression with Implementations on a Parallel T.Node Computer
(Blackwell Science Ltd and the Eurographics Association, 1993)
The radiosity technique uses the heat transfer theory to define a view-independent illumination model. For complex scenes, calculation of this model is very time-intensive, due largely to the determination of a geometric ...
Using Multimedia to Support Cooperative Editing
(Blackwell Science Ltd and the Eurographics Association, 1993)
By Cooperative Editing we mean the coordinated manipulation of information by a group of authors. During the editing process the (co-)authors need to communicate their ideas, drafts and constraints (remotely or face-to-face) ...
A Dynamic Gesture Language and Graphical Feedback for Interaction in a 3D User Interface
(Blackwell Science Ltd and the Eurographics Association, 1993)
In user interfaces of modern systems, users get the impression of directly interacting with application objects. In 3D based user interfaces, novel input devices, like hand and force input devices, are being introduced. ...
Landscapes Synthesis Achieved through Erosion and Deposition Process Simulation
(Blackwell Science Ltd and the Eurographics Association, 1993)
This paper describes an original approach to terrain evolution in landscapes synthesis. In order to create some realistic landforms, we simulate geologically contrasted terrains and apply to them deterministic erosion ...
An Object Model for Multimedia Programming
(Blackwell Science Ltd and the Eurographics Association, 1993)
The development of multimedia applications is a complex task. Much of this complexity stems from requirements associated with programming multiple media objects and the control of dependences and inter-relationships between ...
An Integral Geometry Based Method for Fast Form-Factor Computation
(Blackwell Science Ltd and the Eurographics Association, 1993)
Monte Carlo techniques have been widely used in rendering algorithms for local integration. For example, to compute the contribution of a patch to the luminance of another. In the present paper we propose an algorithm based ...
Cooperative Visualization of Computational Fluid Dynamics
(Blackwell Science Ltd and the Eurographics Association, 1993)
Tempus Fugit/Interview is a computational fluid dynamics visualization application for which processing is distributed between high performance graphics workstations and supercomputers. Facilities are provided in the ...