CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

authors Ervin, Stephen and Westort, Caroline
year 1995
title Procedural Terrain: A Virtual Bulldozer
source Sixth International Conference on Computer-Aided Architectural Design Futures [ISBN 9971-62-423-0] Singapore, 24-26 September 1995, pp. 257-265
summary We describe a system for procedural landform design, which uses the simple metaphor of a two-dimensional profile or ăbladeŰ, swept along a three-dimensional trajectory, or ăpathŰ, leaving behind a modeled surface in its wake. This ăpathŰ and ăbladeŰ system can mimic a common bulldozer ˝ a simple rectangular blade moved along a path constrained to straight lined and large radius curves ˝ as well as more fanciful landform designs ˝ a blade of continually changing profile swept along an exponential spiral path, for instance. Our prototype ăbulldozerŰ (implemented in AutoLisp) operates in a field of procedurally defined landform ăprimitivesŰ to create a virtual surface, and uses a standard rectangular mesh for displaying the resultant landform.
keywords Digital Terrain Model, Procedural Model, Landscape Design, Landform
series CAAD Futures
full text file.pdf (298,989 bytes)
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