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Analysis of planimetric accuracy of airborne laser scanning surveys / M. George Vosselman in Bulletin des sciences géographiques, n° 22 (octobre 2008)
[article]
Titre : Analysis of planimetric accuracy of airborne laser scanning surveys Type de document : Article/Communication Auteurs : M. George Vosselman, Auteur Année de publication : 2008 Article en page(s) : pp 27 - 33 Note générale : Bibliographie Langues : Français (fre) Anglais (eng) Descripteur : [Vedettes matières IGN] Lasergrammétrie
[Termes IGN] crète (ligne)
[Termes IGN] données lidar
[Termes IGN] données localisées 3D
[Termes IGN] hauteur de vol
[Termes IGN] lasergrammétrie
[Termes IGN] modèle numérique de terrain
[Termes IGN] positionnement par GPS
[Termes IGN] précision des données
[Termes IGN] précision planimétrique
[Termes IGN] semis de points
[Termes IGN] télémétrie laser aéroportéRésumé : (Auteur) With the increasing pulse rates of airborne laser scanners point clouds become an interesting data source for mapping beyond the production of digital terrain models. Whereas height accuracy of point clouds is of prime importance for terrain models, mapping of buildings and other objects also requires an analysis of planimetric accuracy of point clouds. This paper presents a methodology to estimate relative strip offsets and standard deviations of X- and Y - coordinates using automatically extracted ridge lines of building in overlaps between strips. An analysis of three blocks with 200-250 million points each shows that constant strip offsets explain the majority of planimetric shifts between ridge lines in strip overlaps. It is demonstrated that strip offset below 3-4 cm and platform positioning noise of only 2 cm can be obtained with GPS configurations consisting of two onboard receivers and multiple reference stations in the terrain and a low flying height. Copyright INCT Numéro de notice : A2008-542 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29612
in Bulletin des sciences géographiques > n° 22 (octobre 2008) . - pp 27 - 33[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 253-08021 RAB Revue Centre de documentation En réserve L003 Disponible Proposed cartographic design principles for 3D maps: a contribution to an extended cartographic theory / C. Häberling in Cartographica, vol 43 n° 3 (September 2008)
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[article]
Titre : Proposed cartographic design principles for 3D maps: a contribution to an extended cartographic theory Type de document : Article/Communication Auteurs : C. Häberling, Auteur ; H. Bär, Auteur ; Lorenz Hurni, Auteur Année de publication : 2008 Article en page(s) : pp 175 - 188 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie numérique
[Termes IGN] cartographie 3D
[Termes IGN] cartographie dynamique
[Termes IGN] cartologie
[Termes IGN] conception cartographique
[Termes IGN] pictogramme
[Termes IGN] signe conventionnel
[Termes IGN] variable visuelle
[Termes IGN] visualisation 3DRésumé : (Auteur) Today, the technical generation of modern perspective views (so-called 3D maps) for static, animated, and dynamic use is highly advanced. Nevertheless, aspects of the design of such views and of their impact on readers have rarely been investigated in cartographic research. The establishment of cartographic design principles is missing, to a large extent. Within the framework of a research project, propositions for such principles were derived by evaluating settings and options for specific graphic variables. Based on an inventory of design aspects and graphic variables for 3D maps, selected cues for two major design aspects (degree of abstraction and size of map objects) and five different graphic variables (viewing inclination, zoom factor, light direction, haze density, and sky structure) were evaluated by means of 3D map examples and expert interviews. A set of cartographic design principles was derived from this evaluation and proposed for more detailed user tests. The proposed design principles could also be seen as the beginning of a framework to extend cartographic theory and assist map authors in the iterative design process. Copyright University of Toronto Press Numéro de notice : A2008-365 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.43.3.175 En ligne : https://doi.org/10.3138/carto.43.3.175 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29358
in Cartographica > vol 43 n° 3 (September 2008) . - pp 175 - 188[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 031-08031 RAB Revue Centre de documentation En réserve L003 Disponible Cartographic generalisation of lines based on a B-spline snake model / E. Guilbert in International journal of geographical information science IJGIS, vol 22 n° 8-9 (august 2008)
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Titre : Cartographic generalisation of lines based on a B-spline snake model Type de document : Article/Communication Auteurs : E. Guilbert, Auteur ; Eric Saux, Auteur Année de publication : 2008 Article en page(s) : pp 847 - 870 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] algorithme snake
[Termes IGN] fonction spline
[Termes IGN] généralisation cartographique automatisée
[Termes IGN] lissage de courbe
[Termes IGN] navigation maritime
[Termes IGN] objet géographique linéaire
[Termes IGN] simplification de contour
[Termes IGN] système d'information géographique
[Termes IGN] visualisation
[Vedettes matières IGN] GénéralisationRésumé : (Auteur) The automation of cartographic map production is still an important research field in Geographical Information Systems (GIS). With the increasing development of monitoring and decision-aid systems either on computer networks or wireless networks, efficient methods are needed to visualise geographical data while respecting some application constraints (accuracy, legibility, security, etc.). This paper introduces a B-spline snake model to deal with the current operators involved in the cartographic generalisation process of lines. This model enables us to perform those operators with a continuous approach. In order to avoid local conflicts such as intersections or self-intersections, the consistency of the lines is checked and discrete operations such as segment removal are performed during the process. We apply the method to map production in the highly constrained domain of maritime navigation systems. Experimental results of marine chart generalisation yield some discussions about generalisation robustness and quality. Copyright Taylor & Francis Numéro de notice : A2008-305 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.1080/13658810701689846 En ligne : https://doi.org/10.1080/13658810701689846 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29298
in International journal of geographical information science IJGIS > vol 22 n° 8-9 (august 2008) . - pp 847 - 870[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-08051 RAB Revue Centre de documentation En réserve L003 Disponible 079-08052 RAB Revue Centre de documentation En réserve L003 Disponible Approximating cartography to the customer's expectations: applying the “House of Quality” to map design / Francisco Javier Ariza-López in Cartographica, vol 43 n° 2 (June 2008)
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Titre : Approximating cartography to the customer's expectations: applying the “House of Quality” to map design Type de document : Article/Communication Auteurs : Francisco Javier Ariza-López, Auteur ; J.L. Garcia Balboa, Auteur Année de publication : 2008 Article en page(s) : pp 107 - 123 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique
[Termes IGN] conception cartographique
[Termes IGN] étude de marché
[Termes IGN] indicateur de qualité
[Termes IGN] qualité totale
[Termes IGN] spécification de produitRésumé : (Auteur) The design of a map and guide for a Spanish natural park has been guided by the application of a product-development methodology known as quality function deployment (QFD). QFD is a tool for bringing the voice of the customer into the product-development process, from conceptual design to manufacturing. In order to develop a high-quality product whose design meets customers’ needs, market research has been developed to discover customers’ expectations and the strengths and weaknesses of competitors’ products. Sixteen main customer expectations (WHATs) were considered in relation to product comfort, content, and portrayal. In order to take into account the afore mentioned expectations, 24 technical descriptors (HOWs) were considered. The product was finally specified by all the technical descriptors and their target values (HOW MUCHs). Results of the methodology are expressed using a set of matrices that depicts a house, the “House of Quality,” that concentrates the most important aspects of a product plan. Applying this methodology is an enriching experience, but somewhat difficult and time consuming. Copyright University of Toronto Press Numéro de notice : A2008-216 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.43.2.107 En ligne : https://doi.org/10.3138/carto.43.2.107 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29211
in Cartographica > vol 43 n° 2 (June 2008) . - pp 107 - 123[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 031-08021 RAB Revue Centre de documentation En réserve L003 Disponible Cartographic support for locational problem-solving by groups / Marc P. Armstrong in International journal of geographical information science IJGIS, vol 22 n° 6-7 (june 2008)
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Titre : Cartographic support for locational problem-solving by groups Type de document : Article/Communication Auteurs : Marc P. Armstrong, Auteur ; P.J. Densham, Auteur Année de publication : 2008 Article en page(s) : pp 721 - 749 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG
[Termes IGN] approche participative
[Termes IGN] carte synthétique
[Termes IGN] carte thématique
[Termes IGN] outil d'aide à la décision
[Termes IGN] représentation cartographique
[Termes IGN] système d'information géographiqueRésumé : (Auteur) Collaborative spatial decision-making environments in which group members individually and collectively pursue solutions to semi-structured problems have a unique set of geographic visualization requirements. Group members often pursue diverse strategies as they attempt to solve such problems. As a consequence, numerous mapped representations of alternative solutions are generated. It is difficult to compare and synthesize these results, especially when decision-makers have little or no previous cartographic training. In this paper, we derive several map types that synthesize representations of alternative solutions to location-selection problems. These synthetic maps, designed to be accessible to group members, are created by decomposing solutions into a collection of atomic elements that are then placed into an accounting framework. Network map algebra operations are performed within this framework, and the results are accumulated and displayed as maps. Group members can use these maps to identify similar and dissimilar elements of alternative solutions to a problem. Such maps are intended to promote discussion and support group consensus-building activities. Copyright Taylor & Francis Numéro de notice : A2008-230 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810701602252 En ligne : https://doi.org/10.1080/13658810701602252 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=29225
in International journal of geographical information science IJGIS > vol 22 n° 6-7 (june 2008) . - pp 721 - 749[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-08041 RAB Revue Centre de documentation En réserve L003 Disponible 079-08042 RAB Revue Centre de documentation En réserve L003 Disponible Concevoir des légendes topographiques à l'aide de palettes de peintre / Sidonie Christophe in Le monde des cartes, n° 196 (Juin 2008)
PermalinkMaps as predictive tools: mind the gap / Ferjan J. Ormeling in Cartographica, vol 43 n° 2 (June 2008)
PermalinkA simplicial complex-based DBMS approach to 3D topographic data modelling / F. Penninga in International journal of geographical information science IJGIS, vol 22 n° 6-7 (june 2008)
PermalinkConveying geospatial public transport information on the World-wide Web: a review of the United Kingdom sources / R. Scrimgeour in Cartographic journal (the), vol 45 n° 2 (May 2008)
PermalinkInteraction with maps on the Internet: a user centred design approach for the Atlas of Canada / R.E. Kramers in Cartographic journal (the), vol 45 n° 2 (May 2008)
PermalinkUsability evaluation of Web mapping sites / Annu-Maaria Nivala in Cartographic journal (the), vol 45 n° 2 (May 2008)
PermalinkUse and users of the OROK-Atlas online / A. Pucher in Cartographic journal (the), vol 45 n° 2 (May 2008)
PermalinkPopulation-density estimation using regression and area-to-point residual kriging / X. Liu in International journal of geographical information science IJGIS, vol 22 n° 4-5 (april 2008)
PermalinkVers la prochaine génération de bases de données et de cartes / Françoise de Blomac in SIG la lettre, n° 96 (avril 2008)
PermalinkLa rationalisation de la production cartographique à grande echelle au temps de Vauban / I. Warmoes in Le monde des cartes, n° 195 (mars 2008)
PermalinkCartography of high mountain areas : testing of a new digital cliff drawing method / Loïc Gondol (01/02/2008)
PermalinkCOGIT, MATIS, LOEMI et LAREG : les quatres Labos de l'IGN / Laurent Polidori in Géomètre, n° 2045 (février 2008)
PermalinkL'atlas essentiel pour comprendre le monde, l'amour et les grandes catastrophes / Olivier Le Carrer (2008)
PermalinkCartographie thématique, 3. Méthodes quantitatives et transformations attributaires / Colette Cauvin (2008)
PermalinkPermalinkPermalinkPermalinkPeut-on encore parler de sémiologie graphique ? / Françoise de Blomac in SIG la lettre, n° 93 (janvier 2008)
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