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Multi-VMap: a multi-scale model for vector maps / R. Viana in Geoinformatica, vol 10 n° 3 (September - November 2006)  

Public [article]  inGeoinformatica > vol 10 n° 3 (September - November 2006) . - pp 359 - 394 Titre : Multi-VMap: a multi-scale model for vector maps Type de document : Article/Communication Auteurs : R. Viana, Auteur ; P. Magillo, Auteur ; E. Puppo, Auteur ; P.A. Ramos, Auteur Année de publication : 2006 Article en page(s) : pp 359 - 394 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie numérique [Termes IGN] algorithme géométrique [Termes IGN] analyse combinatoire (maths) [Termes IGN] données multiéchelles [Termes IGN] graphe [Termes IGN] mise à jour automatique [Termes IGN] représentation vectorielle [Termes IGN] VMAP Résumé : (Auteur) Multi-VMap is a compact framework from which plane graphs representing geographic maps at different levels of detail can be extracted. Its main feature is that the scale of the extracted map can be variable through its domain, while each entity maintains consistent combinatorial relations with the rest of entities represented in the map. The model is based on a set of operators, called updates, which modify the level of detail in a small portion of a map. The set of updates is partially ordered and can therefore be represented as a Directed Acyclic Graph, which defines our multi-scale structure. An algorithm to extract a map at the required resolution is proposed, and a lower bound for the number of different maps which can be extracted from the model is given. The model supports map data processing operations (e.g., querying), as well as progressive and selective transmission of maps over a network. Copyright Springer Numéro de notice : A2006-530 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1007/s10707-006-9832-y En ligne : https://doi.org/10.1007/s10707-006-9832-y Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28253 [article]

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