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Designing multi-scale maps: lessons learned from existing practices / Marion Dumont in International journal of cartography, Vol 6 n° 1 (March 2020)  

Public [article]  inInternational journal of cartography > Vol 6 n° 1 (March 2020) Titre : Designing multi-scale maps: lessons learned from existing practices Type de document : Article/Communication Auteurs : Marion Dumont , Auteur ; Guillaume Touya , Auteur ; Cécile Duchêne , Auteur Année de publication : 2020 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] analyse visuelle [Termes descripteurs IGN] carte interactive [Termes descripteurs IGN] cognition [Termes descripteurs IGN] données multiéchelles [Termes descripteurs IGN] échelle cartographique [Termes descripteurs IGN] géomatique web [Termes descripteurs IGN] niveau d'abstraction [Termes descripteurs IGN] niveau de détail [Termes descripteurs IGN] représentation multiple [Termes descripteurs IGN] Web Map Tile Service [Termes descripteurs IGN] zoom [Vedettes matières IGN] Généralisation Résumé : (Auteur) Mapping applications display multi-scale maps where zooming in and out triggers the display of different maps at different scales. Multi-scale maps strongly augmented the potential uses of maps, compared to the traditional single-scaled paper maps. But the exploration of the multi-scale maps can be cognitively difficult for users because the content of the maps can be very different at different scales. This paper seeks to identify the factors in the design of map content and style that increase or decrease the exploration cognitive load, in order to improve multi-scales map design. We studied sixteen existing examples of multi-scale maps to identify these factors that influence a fluid zooming interaction. Several different analyses were conducted on these sixteen multi-scale maps. We first conducted a guided visual exploration of the maps, and a detailed study of the scales of the maps, to identify general trends of good practices (e.g. the WMTS standard that defines zoom levels is widely used) and potential ways of improvement (e.g. a same map is often used at multiple successive zoom levels). Then, we focused on the visual complexity of the multi-scale maps by analyzing how it varies, continuously or not, across scales, using clutter measures, which showed a peak of complexity at zoom level 12 of the WMTS standard. Finally, we studied how buildings and roads are subject to abstraction changes across scales (e.g. at what zoom level individual buildings turn into built-up areas), which can be one of the causes of exploration difficulties. We identified some good practices to reduce the impact of abstraction changes, for instance by mixing different levels of abstraction in the same map. Numéro de notice : A2020-060 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/23729333.2020.1717832 date de publication en ligne : 28/01/2020 En ligne : https://doi.org/10.1080/23729333.2020.1717832 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94571 [article]

A method for drawing vertical curve in longitudinal profile in road project / Hüseyin İnce in Survey review, vol 51 n° 368 (September 2019)  

Public [article]  inSurvey review > vol 51 n° 368 (September 2019) . - pp 413 - 421 Titre : A method for drawing vertical curve in longitudinal profile in road project Type de document : Article/Communication Auteurs : Hüseyin İnce, Auteur ; Nuri Erdem, Auteur Année de publication : 2019 Article en page(s) : pp 413 - 421 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Analyse numérique [Termes descripteurs IGN] courbe [Termes descripteurs IGN] échelle cartographique [Termes descripteurs IGN] gradient de pente [Termes descripteurs IGN] profil en long [Termes descripteurs IGN] projet routier Résumé : (Auteur) In road projects, there is a difficulty in drawing tangent points of the calculated vertical curve, turning point and intermediate points due to horizontal and vertical scale differences. This problem is brought about by the fact that proportional relationship between the two different scales is not known for a length with a certain slope in longitudinal profile. This study proposes a method to eliminate this problem. It also gives an example and discusses the findings. Numéro de notice : A2019-367 Thématique : POSITIONNEMENT Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00396265.2018.1470071 date de publication en ligne : 15/05/2018 En ligne : https://doi.org/10.1080/00396265.2018.1470071 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93473 [article]

Multiscale cartographic visualization of harmonized datasets / Peter Kunz in International journal of cartography, vol 5 n° 2-3 (July - November 2019)  

Public [article]  inInternational journal of cartography > vol 5 n° 2-3 (July - November 2019) . - pp 178 - 194 Titre : Multiscale cartographic visualization of harmonized datasets Type de document : Article/Communication Auteurs : Peter Kunz, Auteur ; Joachim Bobrich, Auteur Congrès : Congrès: ICC 2019, 29th International Cartographic Conference ICA Mapping everything for everyone (15 - 20 juillet 2019; Tokyo, Japon) , Commanditaire Année de publication : 2019 Article en page(s) : pp 178 - 194 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] Allemagne [Termes descripteurs IGN] cartographie topographique [Termes descripteurs IGN] échelle cartographique [Termes descripteurs IGN] geoportail [Termes descripteurs IGN] intégration de données [Termes descripteurs IGN] OpenStreetMap [Termes descripteurs IGN] PostGIS [Termes descripteurs IGN] représentation multiple [Termes descripteurs IGN] stockage de données [Vedettes matières IGN] Géovisualisation Résumé : (Auteur) With the product TopPlusOpen, the Federal Agency for Cartography and Geodesy (BKG) has for the first time provided a freely accessible web map, which is based entirely on open or free data sources. For this purpose, the BKG processed and combined many different data sources in order to achieve the best possible map presentation. Among others, free official spatial data of the Federal Government and the Open Data states Berlin, Hamburg, North Rhine-Westphalia and Thuringia are presented in the product. Furthermore, Brandenburg, Mecklenburg-Western Pomerania and Rhineland-Palatinate provide their official spatial data for TopPlusOpen based on a cooperation agreement so that also these states are presented exclusively by official data. The services of the TopPlusOpen were released in September 2017. The product was very well received by the public, private and scientific sectors and is already used as a background map in many geoportals. The free access and the cross-border map presentation are especially mentioned. Numéro de notice : A2019-236 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/23729333.2019.1610931 date de publication en ligne : 13/05/2019 En ligne : https://doi.org/10.1080/23729333.2019.1610931 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92935 [article]

Fifty shades of Roboto: text design choices and categories in multi-scale maps / Sébastien Biniek (2019)    

Public Titre : Fifty shades of Roboto: text design choices and categories in multi-scale maps Type de document : Article/Communication Auteurs : Sébastien Biniek , Auteur ; Guillaume Touya , Auteur ; Gilles Rouffineau, Auteur Congrès : Congrès: ICC 2019, 29th International Cartographic Conference ICA Mapping everything for everyone (15 - 20 juillet 2019; Tokyo, Japon) , Commanditaire Editeur : International Cartographic Association ICA Année de publication : 2019 Autre Editeur : Göttingen : Copernicus publications Collection : Advances in cartography and GIScience Projets : 1-Pas de projet / Importance : 8 p. Format : 21 x 30 cm Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique [Termes descripteurs IGN] 1:30.000 [Termes descripteurs IGN] 1:40.000 [Termes descripteurs IGN] composition typographique [Termes descripteurs IGN] conception cartographique [Termes descripteurs IGN] géoportail BRGM-IGN [Termes descripteurs IGN] Google Maps [Termes descripteurs IGN] OpenStreetMap [Termes descripteurs IGN] placement automatique des écritures [Termes descripteurs IGN] sémiologie graphique Résumé : (auteur) The impetus induced by the development of multi-scale, multi-style maps calls for thinking our resources and protocols with greater interoperability. In the field of toponymy, this requires, in particular, thinking of categories and their structuring with more granularity. Assuming that typography, as a device for visualizing toponyms, is a tool whose potential is still under-exploited, we ask ourselves how the field of typographic design can improve our understanding of toponymic categories and help to structure them in a multi-scale logic. The approach adopted to answer this question is to analyse several existing maps to find good and bad practices. We identified different styles of place names and we built a typology of text features in the surveyed maps. The surveyed maps are the 1 : 35 000 scale, in IGN-France, OSM and GoogleMaps portals. Numéro de notice : C2019-012 Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/ica-adv-1-2-2019 date de publication en ligne : 03/07/2019 En ligne : http://dx.doi.org/10.5194/ica-adv-1-2-2019 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93260

Documents numériques

peut être téléchargé Fifty shades of Roboto - pdf éditeur Adobe Acrobat PDF

Finding the oasis in the desert fog? Understanding multi-scale map reading / Guillaume Touya (2019)    

Public Titre : Finding the oasis in the desert fog? Understanding multi-scale map reading Type de document : Article/Communication Auteurs : Guillaume Touya , Auteur Congrès : ICC 2019 Workshop on Abstraction, Scale and Perception (15 - 20 juillet 2019; Tokyo, Japon), Commanditaire Editeur : International Cartographic Association ICA Année de publication : 2019 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] échelle cartographique [Termes descripteurs IGN] généralisation cartographique automatisée [Termes descripteurs IGN] représentation mentale spatiale [Termes descripteurs IGN] représentation multiple [Termes descripteurs IGN] zoom [Vedettes matières IGN] Géovisualisation Résumé : (Auteur) Fluid interactions of complex information visualizations promote flow by giving “a sense of control” and a loss of self-consciousness” during the interaction (Elmqvist et al., 2011).In the context of multi-scale geovisualization with different maps rendered at different zoom levels, fluid interactions mainly consist in smoothly zooming in the scales/zoom levels, while keeping a constant sense of place. User experience shows that current multi-scale maps are not provided with fluid interactions. Despite recent improvements, zooming in and out of multi-scale maps such as GoogleMaps, OSM, or National Mapping Agencies’ geoportals still causes a desert fog effect (Jul & Furnas, 1998) when the map changes. Desert fog can be defined as “a condition wherein a view of an information world contains no information on which to base navigational decisions.” In a multi-scale map, it means that the abstraction, content and style changes between two maps at different scales make the user lose his sense of place for a short moment wondering where his previous position (i.e. where he was looking at, or where his cursor was) is in the newly rendered map (Dumont et al., 2016). Contributions on continuous generalisation (van Oosterom et al., 2014), or on progressive generalisation (Dumont et al., 2017; Touya & Dumont, 2017) try to provide more continuous or progressive abstractions of map features across scales. [...] Numéro de notice : C2019-019 Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans date de publication en ligne : 14/08/2019 En ligne : https://hal.archives-ouvertes.fr/hal-02266373 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=93598

Documents numériques

peut être téléchargé Finding the oasis in the desert fog? ... - pdf éditeur Adobe Acrobat PDF

Generating urban morphologies at large scales / Juste Raimbault (2019)    

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Les représentations planes cylindriques de la terre / Françoise Duquenne in XYZ, n° 157 (décembre 2018 - février 2019)

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Large scale textured mesh reconstruction from mobile mapping images and LIDAR scans / Mohamed Boussaha in ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, IV-2 ([28/05/2018])  

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The development and analysis of quasi-linear map projections / Jonathan Charles Lliffe in Cartography and Geographic Information Science, Vol 45 n° 3 (May 2018)  

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The transformation of relief representation on topographic maps in Hungary: from hachures to contour lines / Lazlo Zentai in Cartographic journal (the), vol 55 n° 2 (May 2018)  

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Revue des descripteurs tridimensionnels (3D) pour la catégorisation des nuages de points acquis avec un système LiDAR de télémétrie mobile / Sylvie Daniel in Geomatica [en ligne], vol 72 n° 1 (March 2018)  

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Analyse de l'évolution des légendes topographiques : Exemple des cartes topographiques IGN et Swisstopo / Jérémie Ory in Cartes & Géomatique, n° 235-236 (mars - juin 2018)

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Maps telling stories ? / Franz-Benjamin Mocnik in Cartographic journal (the), vol 55 n° 1 (February 2018)  

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Développement d'un modèle de macro-dynamique forestière pour simuler la dynamique des forêts françaises dans un contexte non-stationnaire / Thimotée Audinot (2018) 

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Domain adaptation for large scale classification of very high resolution satellite images with deep convolutional neural networks / Tristan Postadjian (2018)  

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