Application des cartes combinatoires à la modélisation géométrique et sémantique des bâtiments

Abstract : 3D building models are widely used in the civil engineering industry. While the models are needed by several applications, such as architectural representations and simulation processes, they often lack of information that are of major importance for the consistency of the calculations. The original models are then often rebuilt in the way that fits better to the intended applications. To overcome this drawback, we introduce a framework allowing to enrich a 3D model of a building presenting just a geometry, in a way more interoperable model, by adding to it topological and semantic information. A cellular subdivision of the building space is first performed relying on its geometry, then the topological relationships between the cells are explicitely defined. Semantic labels are then attributed to the identified components based on the topology and defined heuristic rules. A 3D combinatorial map data structure (3-map) is used to handle the reconstructed information. From the enriched model we show how to extract applications-driven information allowing to perform acoustic simulation and indoor ray tracing navigation. The approach stands as a bridge between the modeling approaches and the applications in building analysis using the model. It is fully automatic and present interesting results on several types of building models
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Abdoulaye Abou Diakité. Application des cartes combinatoires à la modélisation géométrique et sémantique des bâtiments. Modélisation et simulation. Université Claude Bernard - Lyon I, 2015. Français. ⟨NNT : 2015LYO10281⟩. ⟨tel-01314440⟩

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