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Graphically supported evaluation of mapping techniques used in presenting spatial accessibility / Lukasz Wielebski in Cartography and Geographic Information Science, Vol 46 n° 4 (July 2019)  

Public [article]  inCartography and Geographic Information Science > Vol 46 n° 4 (July 2019) . - pp 311 - 333 Titre : Graphically supported evaluation of mapping techniques used in presenting spatial accessibility Type de document : Article/Communication Auteurs : Lukasz Wielebski, Auteur ; Beata Medyńska-Gulij, Auteur Année de publication : 2019 Article en page(s) : pp 311 - 333 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique [Termes descripteurs IGN] accessibilité [Termes descripteurs IGN] analyse spatiale [Termes descripteurs IGN] charte graphique [Termes descripteurs IGN] conception cartographique [Termes descripteurs IGN] lisibilité perceptive [Termes descripteurs IGN] questionnaire [Termes descripteurs IGN] test de performance [Termes descripteurs IGN] visualisation cartographique Résumé : (Auteur) Given the rising availability of alternative ways of spatial data mapping, there is a growing need to study their usability. An important aspect here is the diversity of the cartographic visualizations that are used to draw conclusions about the usability of various mapping techniques. In our study we evaluated the usability of six various mapping techniques used in presenting spatial accessibility, taking into consideration four components: effectiveness and efficiency (objective criteria) and graphical attractiveness and user-perceived effectiveness (subjective criteria). Using Internet questionnaires, we conducted a graphical perception experiment with respondents performing tasks on a hypothetical monocentric road network model displayed using mapping techniques of spatial accessibility, differing in the applied parameters of graphical and non-graphical factors influencing effectiveness and efficiency. The results showed that non-graphical factors had a greater influence than the graphical factors. In total usability comparison the three-dimensional (3D) point technique was ranked the highest, while the worst result was achieved by the 3D area technique. The proposed graphical form of study results made it possible to compare the influence of various effectiveness factors, to analyze mapping techniques in terms of considered criteria and finally to present their total usability using a chart inspired by Uhorczak’s typogram. Numéro de notice : A2019-200 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/15230406.2018.1479311 En ligne : https://doi.org/10.1080/15230406.2018.1479311 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92655 [article]

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Map symbols for crisis mapping : challenges and prospects / John C. Kostelnick in Cartographic journal (the), Vol 56 n° 1 (February 2019)  

Public [article]  inCartographic journal (the) > Vol 56 n° 1 (February 2019) . - pp 59 - 72 Titre : Map symbols for crisis mapping : challenges and prospects Type de document : Article/Communication Auteurs : John C. Kostelnick, Auteur ; Leah C. Hoeniges, Auteur Année de publication : 2019 Article en page(s) : pp 59 - 72 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique [Termes descripteurs IGN] gestion de crise [Termes descripteurs IGN] sémiologie graphique [Termes descripteurs IGN] standardisation [Termes descripteurs IGN] symbole graphique Résumé : (Auteur) Crisis maps and visualizations utilized routinely by international agencies, humanitarian organizations, and non-governmental organizations for aid and relief activities commonly require complex sets of map symbols. However, effective map symbology for humanitarian relief purposes entails several challenges, including consideration of the following: (1) taxonomy development, (2) symbol design issues, (3) promulgation and sharing of map symbols, and (4) standardization of symbols within and among organizations. This paper discusses these key challenges to the design and use of crisis map symbology through a review of the cartographic literature as well as results collected from a survey targeted at humanitarian organizations from around the world. The survey was designed to gather information on current symbology design and use practices in order to understand common challenges. Survey results confirm agreement in the persistence of these four primary symbology challenges, especially the importance of intuitive symbol design. Respondents disagreed most about the adequacy of current crisis map symbology standards as well as the ease in which standards may be implemented within and across organizations. Survey results suggest the need for expert systems designed specifically for symbology design to support humanitarian relief activities. Numéro de notice : A2019-448 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00087041.2017.1413810 date de publication en ligne : 20/11/2018 En ligne : https://doi.org/10.1080/00087041.2017.1413810 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92794 [article]

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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 July 2019; Tokyo, Japan), 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

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Automated Swiss-style relief shading and rock hachuring / Roman Geisthövel in Cartographic journal (the), Vol 55 n° 4 (November 2018)  

Public [article]  inCartographic journal (the) > Vol 55 n° 4 (November 2018) . - pp 341 - 361 Titre : Automated Swiss-style relief shading and rock hachuring Type de document : Article/Communication Auteurs : Roman Geisthövel, Auteur ; Lorenz Hurni, Auteur Année de publication : 2018 Article en page(s) : pp 341 - 361 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique [Termes descripteurs IGN] carte topographique [Termes descripteurs IGN] cartographie étrangère [Termes descripteurs IGN] estompage analytique [Termes descripteurs IGN] généralisation cartographique [Termes descripteurs IGN] représentation du relief [Termes descripteurs IGN] style cartographique [Termes descripteurs IGN] Suisse Résumé : (Auteur) Rock depiction in Swiss topographic maps has evolved from humble line drawings into expressive renderings indicating slope, aspect and traversability. In this paper, an automatic method to derive monochrome Swiss-style rock hachures from a raster elevation model is presented. The proper placement and light modulation of the linear strokes depend on the availability of sound foundations for both terrain generalization and relief shading, for which two novel methods are introduced. The generalization applies line integral convolution along slope lines to the elevation values. The resulting smoothed raster has the footprint of its steep faces enlarged to increase the map space available for steep faces. The shaded relief is generated with the focus on terrain edges, unlike common raster cell-based methods. The rock hachures are modulated according to the grey values of the shaded relief. Finally, we present two topographic maps that demonstrate this new method of depicting relief. Numéro de notice : A2018-592 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00087041.2018.1551955 date de publication en ligne : 01/03/2019 En ligne : https://doi.org/10.1080/00087041.2018.1551955 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92566 [article]

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Star and polyline glyphs in a grid plot and on a map display: which perform better? / Tomasz Opach in Cartography and Geographic Information Science, Vol 45 n° 5 (August 2018)  

Public [article]  inCartography and Geographic Information Science > Vol 45 n° 5 (August 2018) . - pp 400 - 419 Titre : Star and polyline glyphs in a grid plot and on a map display: which perform better? Type de document : Article/Communication Auteurs : Tomasz Opach, Auteur ; Stanislav Popelka, Auteur ; Jitka Dolezalova, Auteur ; Jan Ketil Rød, Auteur Année de publication : 2018 Article en page(s) : pp 400 - 419 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique [Termes descripteurs IGN] oculométrie [Termes descripteurs IGN] symbole graphique [Termes descripteurs IGN] utilisateur [Termes descripteurs IGN] variable visuelle Résumé : (Auteur) Glyphs are small geometric shapes that in geovisualization are often used to represent multidimensional spatial data. The aim of this study is to investigate the effectiveness of their two types – star and polyline glyphs, as they can encode the same message and can provide similar functionality. Thus, if the two glyph types are similar and can be used for the same data, the question arises as to which of them better facilitates various user tasks. To address this question, an empirical study of 26 individual users is conducted to investigate differences in user performance for polyline and star glyphs shown either in a grid plot or on a map display. In this study, a task-based approach with eye-tracking is applied, as well as a subjective questionnaire and a psychological test of cognitive style. The finding is that polyline glyphs better facilitate tasks when datapoint values in glyphs are to be read, whereas star glyphs are better when a visual search among glyphs is to be done. Moreover, the results reveal that the map display works better than the grid plot. If star glyphs are to be used, the key (legend) needs to be better incorporated into a visual interface. Numéro de notice : A2018-510 Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/15230406.2017.1364169 date de publication en ligne : 29/08/2017 En ligne : https://doi.org/10.1080/15230406.2017.1364169 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90334 [article]

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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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Analysis of tsunami evacuation maps for a consensual symbolization rules proposal / Jean-François Girres in International journal of cartography, vol 4 n° 1 (March 2018)  

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An empirical evaluation of three elevation change symbolization methods along routes in bicycle maps / Annina Brügger in Cartography and Geographic Information Science, Vol 44 n° 5 (September 2017)  

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The differentiation of point symbols using selected visual variables in the mobile augmented reality system / Łukasz Halik in Cartographic journal (the), Vol 54 n° 2 (May 2017)  

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The effect of spatial distance on the discriminability of colors in maps / Alžběta Brychtová in Cartography and Geographic Information Science, Vol 44 n° 3 (May 2017)  

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Grouping rules for effective legend design / Zhe Qin in Cartographic journal (the), Vol 54 n° 1 (February 2017)  

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An improved map-symbol model to facilitate sharing of heterogeneous qualitative map symbols / Mingguang Wu in Cartography and Geographic Information Science, Vol 44 n° 1 (January 2017)  

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Characterizing maps from visual properties / Catherine Dominguès (2017)  

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Designing typefaces for maps : a protocol of tests / Sébastien Biniek (2017)    

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RJMCMC based text placement to optimize label placement and quantity / Guillaume Touya (2017)  

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