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Procedural Generation of Roads

Nicolas Marechal 1 Eric Galin 1 Adrien Peytavie 1 N Maréchal Eric Guérin 1
1 GeoMod - Modélisation Géométrique, Géométrie Algorithmique, Fractales
LIRIS - Laboratoire d'InfoRmatique en Image et Systèmes d'information
Abstract : In this paper, we propose an automatic method for generating roads based on a weighted anisotropic shortest path algorithm. Given an input scene, we automatically create a path connecting an initial and a final point. The trajectory of the road minimizes a cost function that takes into account the different parameters of the scene including the slope of the terrain, natural obstacles such as rivers, lakes, mountains and forests. The road is generated by excavating the terrain along the path and instantiating generic parameterized models.
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Nicolas Marechal, Eric Galin, Adrien Peytavie, N Maréchal, Eric Guérin. Procedural Generation of Roads. Computer Graphics Forum, Wiley, 2010, 2, 29, pp.429-438. ⟨10.1111/j.1467-8659.2009.01612.x⟩. ⟨hal-01381447⟩

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