Universitat de Girona IMA Girona Graphics Group


Procedural Modeling of Suspension Bridges


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Abstract

In this paper we introduce a method for designing a class of engineering structures, namely suspension bridges. These bridges are ubiquitous in the industrialized countries, often appearing in known city landscapes, yet they are complex enough that hand-based modeling is tedious and time consuming. We present a method that finds the right proportions for such a structure through an optimization method that tries to distribute the tower positions while maintaining cable width to be a finite number. By simultaneously optimizing the span and sag of the cables of a bridge, we optimize the geometry and soundness of the structure. We present the details of our technique together with examples illustrating its use, including comparisons with real structures.



Bibtex

@inproceedings{Patow11,
     author = {Patow, Gustavo},
     title = {Procedural Modeling of Suspension Bridges},
     booktitle = {V Ibero-American Symposium in Computer Graphics, SIACG 2011},
     year = {2011},
     pages = {135--140}
}

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