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Deformation-aware split grammars for architectural models

 
: Zmugg, René; Thaller, Wolfgang; Krispel, Ulrich; Edelsbrunner, Johannes; Havemann, Sven; Fellner, Dieter W.

:

Mao, X. ; Institute of Electrical and Electronics Engineers -IEEE-:
International Conference on Cyberworlds, CW 2013. Proceedings : Yokohama, Japan, 21 - 23 October 2013
Los Alamitos, Calif.: IEEE Computer Society Conference Publishing Services (CPS), 2013
ISBN: 978-1-4799-2245-1 (Print)
ISBN: 978-1-4799-2247-5
pp.4-11
International Conference on Cyberworlds (CW) <12, 2013, Yokohama>
English
Conference Paper
Fraunhofer IGD ()
freeform deformation (FFD); shape grammars; computer games; Forschungsgruppe Semantic Models, Immersive Systems (SMIS)

Abstract
With the current state of video games growing in scale, manual content creation may no longer be feasible in the future. Split grammars are a promising technology for large scale procedural generation of urban structures, which are very common in video games. Buildings with curved parts, however, can currently only be approximated by static premodeled assets, and rules apply only to planar surface parts. We present an extension to current split grammar systems that allows the generation of curved architecture through freeform deformations that can be introduced at any level in a grammar. Further subdivision rules can then adapt to these deformations to maintain length constraints, and repetitions can adjust to more or less space.

: http://publica.fraunhofer.de/documents/N-285606.html