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A Prolog Rule-Based System for cartographic Name Placement
(Blackwell Publishing Ltd and the Eurographics Association, 1990)
Manual name placement is an extremely time consuming task and has been one of the most difficult aspects of the map production process to automate. It is complicated by the large number of rules required for the selection ...
Modelling Clip: Some More Results
(Blackwell Publishing Ltd and the Eurographics Association, 1990)
The modedling clip of the PHIGS ISO Standard is mathematically analysed. The most important result of this analysis is the fact that the projective image of a modding clip body (that is a not necessarily bounded convex ...
IFSs and Interactive Image Synthesis
(Blackwell Publishing Ltd and the Eurographics Association, 1990)
Deterministic Fractal geometry provides a framework for describing both the geometry of man-made structures and the geometry of nature.Certain deterministic Fractals which exist in the plane may be"partitioned" into a ...
Top Draw: A Structure Network Visualiser for PHIGS
(Blackwell Publishing Ltd and the Eurographics Association, 1990)
The Programmerâ s Hierarchical Interactive Graphics System (PHIGS) is an International Standard for computer graphics. PHIGS provides a flexible mechanism for creating hierarchical models from collections of directed ...
Graphics Object Management in The X Window System
(Blackwell Publishing Ltd and the Eurographics Association, 1990)
This paper describes a library for the creation and manipulation of geometrically defined graphical objects in The X Window System Objects are arranged in a 2.5D space, and can be transformed, made invisible or visible, ...