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Logical Input Devices and Interaction
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
The logical input device model, as is adopted in the standardized graphics package GKS, has been an accepted basis for producing device-independent graphics systems. However, when used in highly interactive graphical ...
SIGHT-A Dedicated Computer Graphics Machine
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
The. architecture of, and a performance estimate for, the dedicated graphics processor - SIGHT, a high-speed ray tracing machine, are presented. Ray tracing is a vector calculation in 3-dimensional (3-D) space and each ray ...
Irregular Polygon Fill Using Contour Encoding
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
A filling algorithm for irregular polygons is described. This algorithm is oriented towards raster graphics and uses image memories as job areas. The algorithm is based on the encoding of polygon boundaries by contour ...
Evaluation of Standard Graphics Packages
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
In order to compare the quality of different implementations of GKS, the ISO0 standard for computer graphics, an evaluation method for GKS implementations is presented. It is based upon several groups of criteria. One group ...
Making Drawings Talk: Pictures in Minds and Machines
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
Interactions between human minds and machine systems will be discussed, drawing on experience of CAD and focusing on modes of expression. Free forms of text and drawings pose deep questions when interpretations have to ...
Graphic Acquisition and Retrieval of Stereochemical Information
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
Stereochemistry concepts deal with situations associated with chiral arrangement of atoms in a molecule. The existence of stereocompounds implies different physical properties associated with local and global structural ...
Graphical Analysis of Complex O.D.E. Solutions
(Blackwell Publishing Ltd and the Eurographics Association, 1987)
An Intersecting Modification to the Bresenham Algorithm
(Blackwell Publishing Ltd and the Eurographics Association, 1987)