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Spreading map information over different depth layers – An improvement for map-reading efficiency? / Dennis Edler in Cartographica, vol 49 n° 3 (September 2014)  

Public [article]  inCartographica > vol 49 n° 3 (September 2014) . - pp 153 -163 Titre : Spreading map information over different depth layers – An improvement for map-reading efficiency? Type de document : Article/Communication Auteurs : Dennis Edler, Auteur ; Oliver Huber, Auteur ; Claudia Knust, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 153 -163 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] cognition [Termes IGN] couche thématique [Termes IGN] lecture de carte [Termes IGN] représentation cartographique 3D [Vedettes matières IGN] Géovisualisation Résumé : (Auteur) In recent years, True-3D representations such as lenticular visualization have entered the stage of analogue and, especially, digital cartography. The increase of 3D displays as products of mass media raises some fundamental questions about a new generation of 3D maps. Auto-stereoscopic displays allow cartographers to design 3D maps covering several information layers located at different positions along the depth axis. However, it remains unclear whether the opportunity to spread map information over different information depth layers can improve cartographic communication by helping to increase the duration and accuracy of map reading. This article presents the results of an empirical study, based on the test results achieved by 83 geography students who counted different map symbols in a series of 2D or 3D thematic maps of differing complexity. Numéro de notice : A2014-504 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.49.3.2142 En ligne : http://www.utpjournals.press/doi/full/10.3138/carto.49.3.2142 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=74096 [article]

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Coordinate questions in the web environment / A. Favretto in Cartographica, vol 49 n° 3 (September 2014)  

Public [article]  inCartographica > vol 49 n° 3 (September 2014) . - pp164 -174 Titre : Coordinate questions in the web environment Type de document : Article/Communication Auteurs : A. Favretto, Auteur Année de publication : 2014 Article en page(s) : pp164 -174 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Systèmes de référence et réseaux [Termes IGN] Bing Maps [Termes IGN] coordonnées géographiques [Termes IGN] géomatique web [Termes IGN] Google Earth [Termes IGN] web mapping Résumé : (Auteur) This article contributes to the clarification of the coordinate reference systems (CRS) used by some Web mapping applications. This is a complex issue, mainly because of a lack of pertinent information; there is little published literature on CRS, and information available online – which is not produced by mapping experts – is fragmented and often imprecise. Following a short introduction focusing on Web mapping and the European Petroleum Survey Group (EPSG) database, which is currently maintained and published by the International Association of Oil and Gas Producers (OGP) Geomatics Committee, the article analyzes the CRS used by some well-known Web mapping applications, such as Google Maps and Bing Maps (planimetric browsers) and Google Earth (virtual globe). Some geodetic technical information is given, with reference to the main desktop GIS software libraries and to reports on CRS queried from different versions of the EPSG database (2008–2013). Numéro de notice : A2014-505 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/POSITIONNEMENT Nature : Article DOI : 10.3138/carto.49.3.2255 En ligne : http://www.utpjournals.press/doi/full/10.3138/carto.49.3.2255 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=74097 [article]

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Flexible mixed reality and situated simulation as emerging forms of Geovisualization / Chris Lonergan in Cartographica, vol 49 n° 3 (September 2014)  

Public [article]  inCartographica > vol 49 n° 3 (September 2014) . - pp 175 -187 Titre : Flexible mixed reality and situated simulation as emerging forms of Geovisualization Type de document : Article/Communication Auteurs : Chris Lonergan, Auteur ; Nick Hedley, Auteur Année de publication : 2014 Article en page(s) : pp 175 -187 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques [Termes IGN] analyse géovisuelle [Termes IGN] réalité augmentée [Termes IGN] réalité virtuelle [Termes IGN] simulation dynamique [Termes IGN] simulation spatiale [Termes IGN] visualisation dynamique Résumé : (Auteur) This article reports on the applied research behind a geospatial mobile augmented reality system that can run in situ simulations of dynamic spatial phenomena. The authors summarize previous work that has led to a critical convergence of enabling technologies and identify new forms of geovisualization facilitated by these technologies. The article introduces situated simulation as a new form of augmented situated geovisual analysis, using two versions of a prototype system called A Touch of Rain. This system allows users to run augmented precipitation simulations in real space, in which virtual rain falls on and interacts with real landscapes and buildings, and thus to perform augmented geovisual analysis. This method opens up new opportunities to link geospatial data, models, and everyday spaces. The authors conclude by discussing implications and opportunities for GIScience. Numéro de notice : A2014-506 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : 10.3138/carto.49.3.2440 En ligne : http://www.utpjournals.press/doi/full/10.3138/carto.49.3.2440 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=74098 [article]

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A user study of experimental maps for outdoor activities / Juha Oksanen in Cartographica, vol 49 n° 3 (September 2014)  

Public [article]  inCartographica > vol 49 n° 3 (September 2014) . - pp 188 -201 Titre : A user study of experimental maps for outdoor activities Type de document : Article/Communication Auteurs : Juha Oksanen, Auteur ; Hanna-Marika Halkosaari, Auteur ; Tapani Sarjakoski, Auteur ; et al., Auteur Année de publication : 2014 Article en page(s) : pp 188 -201 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique [Termes IGN] analyse des correspondances [Termes IGN] carte numérique [Termes IGN] conception cartographique [Termes IGN] données topographiques Résumé : (Auteur) This article presents results from a user study on experimental maps created for outdoor activities and demonstrates methods suitable for analyzing the map survey data. The first goal of the study was to find out to what degree the experimental maps created for the study satisfy the needs of map users in general. The second was a detailed exploration of opinions on the different map types to look for trends related to age, frequency of map use, or amount of time spent in nature. A third goal was to gauge interest and willingness to pay for experimental maps as printed products. In addition, the article demonstrates how cross-tabulation and correspondence analysis can be used to conduct versatile quantitative analysis and interpret map survey data. The survey results suggest that the conventional topographic-map-like products for outdoor activities currently offered by map publishers should be supplemented by new kinds of maps to attract and educate digital natives to become active map users. At the same time, the quality of information and representation of terrain accessibility on maps for outdoor activities must not be compromised simply to fulfil the broad-based needs of map users. Numéro de notice : A2014-507 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.49.3.2185 En ligne : http://www.utpjournals.press/doi/full/10.3138/carto.49.3.2185 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=74099 [article]

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