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Interactive design of 3D maps with progressive projection / Helen Jenny in Cartographic journal (the), vol 47 n° 3 (August 2010)  

Public [article]  inCartographic journal (the) > vol 47 n° 3 (August 2010) . - pp 211 - 221 Titre : Interactive design of 3D maps with progressive projection Type de document : Article/Communication Auteurs : Helen Jenny, Auteur ; Bernhard Jenny, Auteur ; Lorenz Hurni, Auteur Année de publication : 2010 Article en page(s) : pp 211 - 221 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Traitement d'image [Termes IGN] cartographie 3D [Termes IGN] courbure de la Terre [Termes IGN] modélisation 3D [Termes IGN] paysage [Termes IGN] projection perspective [Termes IGN] visualisation 3D Résumé : (Auteur) The progressive projection is by origin a manual cartographic technique, traditionally used by panoramic landscape painters; however, it is rarely encountered in digitally created three-dimensional (3D) maps. In this article, the advantages of this specific projection when designing 3D maps are presented, the processes involved in its manual construction, as well as the existing and potential digital implementation approaches, are reviewed. A new algorithmic solution is described, allowing for user-friendly interactive bending of a terrain model into a progressive view, with options to add a curved horizon, to vertically exaggerate the terrain, and to create a 360° strip panorama. The resulting software, Terrain Bender, is freely available for download. Numéro de notice : A2010-469 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1179/000870410X12786821061495 Date de publication en ligne : 18/07/2013 En ligne : https://doi.org/10.1179/000870410X12786821061495 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30662 [article]

Exemplaires(1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
030-2010031	RAB	Revue	Centre de documentation	En réserve L003	Disponible

Relation modelling within multiple representation databases and generalisation services / Dirk Burghardt in Cartographic journal (the), vol 47 n° 3 (August 2010)  

Public [article]  inCartographic journal (the) > vol 47 n° 3 (August 2010) . - pp 238 - 249 Titre : Relation modelling within multiple representation databases and generalisation services Type de document : Article/Communication Auteurs : Dirk Burghardt, Auteur ; I. Petzold, Auteur ; M. Bobzien, Auteur Année de publication : 2010 Article en page(s) : pp 238 - 249 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] architecture orientée services [Termes IGN] carte topographique [Termes IGN] généralisation automatique de données [Termes IGN] modèle relationnel [Termes IGN] représentation multiple [Termes IGN] système d'information géographique [Vedettes matières IGN] Généralisation Résumé : (Auteur) The process of topographic map production at the national mapping agencies is undergoing steady change. The pressure to reduce production cost in particular hassled to the development and use of new approaches. Traditionally, separate datasets and models have been used to produce topographic maps of different scales and even the sources of data often differ. As a consequence, the derived datasets on different scales are usually inconsistent and thus cannot be updated in a common process. With the transition to GIS-based cartography, these disadvantages will be overcome. The research and development presented here have been carried out within an application-oriented research project of the University of Zurich in cooperation with the company Axes Systems. The focus has been on improving automated generalisation for topographic map production. A multiple representation database with extended linkage information was first implemented. These so-called vertical relations enable the storage of meta-information, which is needed to make the generalisations used during incremental updates. Second, a data model of horizontal relations was developed, to model contextual information explicitly. Examples of applications are the subdivision and partition of datasets, and the modelling of feature groups. Third, a service-oriented architecture was established, enabling a platform-independent development and the provision of generalisation functionality. In addition, an embedded workflow management system was introduced, consisting of a workflow editor and workflow engine, to support the interactive configuration of the generalisation process and the automated execution of generalisation services. Numéro de notice : A2010-470 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1179/000870410X12699418769035 Date de publication en ligne : 18/07/2013 En ligne : https://doi.org/10.1179/000870410X12699418769035 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=30663 [article]

Exemplaires(1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
030-2010031	RAB	Revue	Centre de documentation	En réserve L003	Disponible