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Erschienen in:
2010 | OriginalPaper | Buchkapitel
From Laser Data to Parametric Models: Towards an Automatic Method for Building Façade Modelling
verfasst von : Hakim Boulaassal, Christine Chevrier, Tania Landes
Erschienen in: Digital Heritage
Verlag: Springer Berlin Heidelberg
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The interest in the generation of 3D façade models is increasing more and more. TLS data have introduced other visions to deal with this topic. This paper proposes a new approach to façade modelling using TLS data. Geometric relevant features of façades are first extracted via a segmentation algorithm. Then, based on the segmentation results, the automatic extraction of edges has been carried out. Afterwards, the edges are decomposed into straight segments and arcs, based on the criterion of the collinearity of points. Then, the intersection points are calculated based on the study of their geometric characteristics, as well as their topological relationships. These points allow us to construct the parametric objects that can be correctly sized and completed via an interactive graphical user interface.