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The possibilities for functionality research on interactive internet maps / A. Balciunas in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 66 - 73 Titre : The possibilities for functionality research on interactive internet maps Type de document : Article/Communication Auteurs : A. Balciunas, Auteur Année de publication : 2011 Article en page(s) : pp 66 - 73 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] carte interactive [Termes IGN] fonctionnalité [Termes IGN] interface utilisateur [Termes IGN] internet interactif [Termes IGN] web mapping Résumé : (Auteur) While the need of interactive Internet maps to solve geographical tasks in society is urgently growing and the technologies are constantly improving, research on user interfaces is one tool that can ensure the application of effective functionality, and thus improve the quality of communication. This article introduces and analyses four classic functionality research techniques (monitoring, examination, feedback registration, and experiment) drawn from the scientific literature and suggests two new research techniques (qualimetry and conversion) based on the author's research. The author suggests distinguishing four main indicators that in general would describe the weak and strong features of research techniques: length of research, costs of research organization, objective of research, and applicability of results. The principal aim of the analysis is to help define the most important advantages and disadvantages of functionality research techniques. The article first describes types of interactive maps and their function groups, then proceeds to the analysis of the six suggested functionality research techniques. Numéro de notice : A2011-228 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.46.2.66 En ligne : https://doi.org/10.3138/carto.46.2.66 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31006 [article]

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Improving web mapping with generalization / Julien Gaffuri in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 83 - 91 Titre : Improving web mapping with generalization Type de document : Article/Communication Auteurs : Julien Gaffuri , Auteur Année de publication : 2011 Article en page(s) : pp 83 - 91 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] arc [Termes IGN] architecture client-serveur [Termes IGN] cartographie par internet [Termes IGN] données vectorielles [Termes IGN] généralisation à la volée [Termes IGN] généralisation cartographique automatisée [Termes IGN] serveur de données localisées [Termes IGN] web mapping Résumé : (Auteur) Maps are not like other images. Internet maps could be improved through the use of automated mapping methods, particularly automated generalization techniques. Operational automated generalization systems exist, but they are not used on the Web. Integrating generalization and Web-mapping systems is an important challenge for Internet cartography; this integration requires that the architecture of existing Web-mapping systems be improved. This article gives some recommendations to progress toward this integration: spatial data servers should diffuse more vector data and fewer pre-computed raster tiles; they should be made “scale aware” and should provide multi-scale data; the generalization transformations should be shared between servers and clients; and Web-mapping clients should be able to compute dynamic graphic generalizations to adapt the spatial data display to the user's needs. Numéro de notice : A2011-230 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.46.2.83 Date de publication en ligne : 01/06/2011 En ligne : https://doi.org/10.3138/carto.46.2.83 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31008 [article]

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Cartographic quality issues for view services in geoportals / Lars Harrie in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 92 - 100 Titre : Cartographic quality issues for view services in geoportals Type de document : Article/Communication Auteurs : Lars Harrie, Auteur ; Sébastien Mustière , Auteur ; Hanna Stigmar, Auteur Année de publication : 2011 Article en page(s) : pp 92 - 100 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] géoportail [Termes IGN] qualité cartographique [Termes IGN] rédaction cartographique [Termes IGN] visualisation cartographique [Termes IGN] web mapping Résumé : (Auteur) Following the INSPIRE directive, several countries are now setting up geoportals. These geoportals have view services that offer new opportunities for users to easily display rich and personalized geographic data. However, they also raise new challenges. One challenge is the absence of the traditional cartographer, which sets requirements for the development of automatic methods that optimize the presentation of the data. This article discusses five issues for the improvement of map presentation —semantics, geometries, levels of detail, labels, and symbols— and reviews some related methods. The development of this type of method is essential for the success of view services in the future. Numéro de notice : A2011-231 Affiliation des auteurs : IGN+Ext (1940-2011) Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.46.2.92 Date de publication en ligne : 01/06/2011 En ligne : https://doi.org/10.3138/carto.46.2.92 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31009 [article]

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Improving accessibility information in pedestrian maps and databases / M. Laasko in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 101 - 108 Titre : Improving accessibility information in pedestrian maps and databases Type de document : Article/Communication Auteurs : M. Laasko, Auteur ; Tapani Sarjakoski, Auteur ; L. Tiina Sarjakoski, Auteur Année de publication : 2011 Article en page(s) : pp 101 - 108 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées [Termes IGN] accessibilité [Termes IGN] base de données localisées [Termes IGN] calcul d'itinéraire [Termes IGN] Finlande [Termes IGN] handicap [Termes IGN] itinéraire piétionnier [Termes IGN] mobilité urbaine [Termes IGN] navigation pédestre [Termes IGN] piéton Résumé : (Auteur) As populations age, more and more people have some kind of restrictions on their mobility. In order to increase the potential of mobility-impaired persons to move around and navigate independently, information on the accessibility of the environment should be supported by map services and delivered together with spatial information to their devices for personal navigation. Spatial databases for pedestrian route planning should contain more detailed information on accessibility, such as pavement surfaces, slopes, and stairs. This study examines a wide range of examples of map services in Finland in terms of the extent to which they support accessibility. The authors then provide and discuss a proposal for the information content of a geospatial database to fulfil the requirements of users with impairments. With guidelines for data content, data classification, and functionality, map information can be developed so that it is also more useful for special user groups and makes the environment more accessible for everyone. Numéro de notice : A2011-232 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.3138/carto.46.2.101 En ligne : https://doi.org/10.3138/carto.46.2.101 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31010 [article]

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Online visualization of 3D city model using CityGML and X3DOM / B. Mao in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 109 - 114 Titre : Online visualization of 3D city model using CityGML and X3DOM Type de document : Article/Communication Auteurs : B. Mao, Auteur ; Yifang Ban, Auteur Année de publication : 2011 Article en page(s) : pp 109 - 114 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] Ajax [Termes IGN] CityGML [Termes IGN] modèle 3D de l'espace urbain [Termes IGN] visualisation 3D [Termes IGN] web mapping [Termes IGN] X3D Résumé : (Auteur) This article proposes a novel framework for online visualization of 3D city models. CityGML is used to represent the city models, based on which 3D scenes in X3D are generated, then dynamically updated to the user side with AJAX and visualized in WebGL-supported browsers with X3DOM. The experimental results show that the proposed framework can easily be implemented using widely supported major browsers and can efficiently support online visualization of 3D city models in small areas. For the visualization of large volumes of data, generalization methods and multiple-representation data structure should be studied in future research. Numéro de notice : A2011-233 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.46.2.109 En ligne : https://doi.org/10.3138/carto.46.2.109 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31011 [article]

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Quality analysis of OpenStreetMap data based on application needs / J. Mondzech in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 115 - 125 Titre : Quality analysis of OpenStreetMap data based on application needs Type de document : Article/Communication Auteurs : J. Mondzech, Auteur ; Monika Sester, Auteur Année de publication : 2011 Article en page(s) : pp 115 - 125 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Infrastructure de données [Termes IGN] Allemagne [Termes IGN] analyse comparative [Termes IGN] base de données ATKIS [Termes IGN] données localisées des bénévoles [Termes IGN] évaluation des données [Termes IGN] navigation pédestre [Termes IGN] OpenStreetMap [Termes IGN] pertinence [Termes IGN] production participative [Termes IGN] qualité des données Résumé : (Auteur) More volunteered geographic information is becoming available; if this information is to be exploited, its quality must be known. This study evaluates the quality of OpenStreetMap data with respect to its “fitness for use” (i.e., its suitability for a certain application), specifically pedestrian navigation. The quality of the data is determined by comparing simulated routes on two networks; one data set is from OSM, and the other is the German topographic data set, ATKIS. Both accessibility and length of routes are used as quality criteria. The two data sets are tested using three different test scenarios in Germany. Numéro de notice : A2011-234 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/SOCIETE NUMERIQUE Nature : Article DOI : 10.3138/carto.46.2.115 En ligne : https://doi.org/10.3138/carto.46.2.115 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=31012 [article]

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A user study of a map-based slideshow editor / H. Fujita in Cartographica, vol 46 n° 2 (June 2011)  

Public [article]  inCartographica > vol 46 n° 2 (June 2011) . - pp 74 - 82 Titre : A user study of a map-based slideshow editor Type de document : Article/Communication Auteurs : H. Fujita, Auteur ; Masatoshi Arikawa, Auteur Année de publication : 2011 Article en page(s) : pp 74 - 82 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Géomatique web [Termes IGN] données spatiotemporelles [Termes IGN] éditique web [Termes IGN] intégration de données [Termes IGN] interface utilisateur [Termes IGN] photographie numérique [Termes IGN] vidéo numérique Résumé : (Auteur) Our research goal is to facilitate the sharing of stories with digital maps. Today, many kinds of “my map” applications allow users to create maps that display personal collections of places visited, along with photographs, videos, and texts. The authors of such maps can organize and publish their collections of places by creating maps, and viewers can browse these collections freely by panning and zooming the maps or searching by location. It is difficult, however, for authors to represent their experiences as a sequence of events, mainly because it is up to the viewer to decide which map locations will be viewed, and in what order. Therefore, one future requirement for this type of map application is to facilitate map-based storytelling. The objective of this study is to identify and discuss the characteristics of map-based stories and the effectiveness of maps in editing them. To help users communicate map-based stories in a more narrative fashion, we have developed software for mapping photo collections and creating slideshows to present travelogues, sightseeing guides, and so on, which we call a map-based slideshow. In this article, we analyse user-created, map-based slideshows, focusing on the spatiotemporal relationships among the photographs that compose the slideshow. We also describe a user study focusing on how and in which order users edit map-based slideshows. The results show characteristics of the spatiotemporal structures of map-based stories. We also evaluated the effectiveness of maps in the user's story-editing process. Because the spatial slideshow is a typical form of map-based story, we assume that most of the knowledge acquired is applicable not only to map-based slideshows but also to other map-based stories, such as a “tour” of Google Earth. Numéro de notice : A2011-229 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/carto.46.2.74 En ligne : https://doi.org/10.3138/carto.46.2.74 Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=76482 [article]

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