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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)
[article]
Titre : An empirical evaluation of three elevation change symbolization methods along routes in bicycle maps Type de document : Article/Communication Auteurs : Annina Brügger, Auteur ; Sara Irina Fabrikant, Auteur ; Arzu Çöltekin, Auteur Année de publication : 2017 Article en page(s) : pp 436 - 451 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Rédaction cartographique
[Termes IGN] bicyclette
[Termes IGN] carte thématique
[Termes IGN] gradient de pente
[Termes IGN] itinéraire
[Termes IGN] lecture de carte
[Termes IGN] oculométrie
[Termes IGN] pente
[Termes IGN] sémiologie graphiqueRésumé : (Auteur) Elevation change is critical for choosing a route when bicycling. We detail an empirical study in which we comparatively evaluated three linear symbolization types (color hue, color-coded arrows, and elevation profiles) to depict elevation change in bicycle maps for two common bicycle route planning tasks: relative height detection and slope identification. Participants performed most accurately with the color-coded arrows for relative height detection tasks, whereas symbolization did not significantly influence map-use performance for slope identification. Participants preferred the elevation profile, in spite of their lowest performance with this method overall. Our rare empirical findings offer much needed new insights into the function and appropriateness of common elevation symbolization methods, specifically to identify elevation change in bicycle route planning tasks in urban areas where map display real estate is already very limited. Numéro de notice : A2017-450 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/15230406.2016.1193766 En ligne : http://dx.doi.org/10.1080/15230406.2016.1193766 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=86361
in Cartography and Geographic Information Science > Vol 44 n° 5 (September 2017) . - pp 436 - 451[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 032-2017051 RAB Revue Centre de documentation En réserve L003 Disponible Comparative eye-tracking evaluation of scatterplots and parallel coordinates / Rudolf Netzel in Visual Informatics, vol 1 n° 2 (June 2017)
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Titre : Comparative eye-tracking evaluation of scatterplots and parallel coordinates Type de document : Article/Communication Auteurs : Rudolf Netzel, Auteur ; Jenny Vuong, Auteur ; Ulrich Engelke, Auteur ; et al., Auteur Année de publication : 2017 Article en page(s) : pp 118 - 131 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] coordonnées cartésiennes
[Termes IGN] graphique
[Termes IGN] oculométrie
[Termes IGN] visualisation de données
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) We investigate task performance and reading characteristics for scatterplots (Cartesian coordinates) and parallel coordinates. In a controlled eye-tracking study, we asked 24 participants to assess the relative distance of points in multidimensional space, depending on the diagram type (parallel coordinates or a horizontal collection of scatterplots), the number of data dimensions (2, 4, 6, or 8), and the relative distance between points (15%, 20%, or 25%). For a given reference point and two target points, we instructed participants to choose the target point that was closer to the reference point in multidimensional space. We present a visual scanning model that describes different strategies to solve this retrieval task for both diagram types, and propose corresponding hypotheses that we test using task completion time, accuracy, and gaze positions as dependent variables. Our results show that scatterplots outperform parallel coordinates significantly in 2 dimensions, however, the task was solved more quickly and more accurately with parallel coordinates in 8 dimensions. The eye-tracking data further shows significant differences between Cartesian and parallel coordinates, as well as between different numbers of dimensions. For parallel coordinates, there is a clear trend toward shorter fixations and longer saccades with increasing number of dimensions. Using an area-of-interest (AOI) based approach, we identify different reading strategies for each diagram type: For parallel coordinates, the participants’ gaze frequently jumped back and forth between pairs of axes, while axes were rarely focused on when viewing Cartesian coordinates. We further found that participants’ attention is biased: toward the center of the whole plotfor parallel coordinates and skewed to the center/left side for Cartesian coordinates. We anticipate that these results may support the design of more effective visualizations for multidimensional data. Numéro de notice : A2017-856 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1016/j.visinf.2017.11.001 Date de publication en ligne : 02/12/2017 En ligne : https://doi.org/10.1016/j.visinf.2017.11.001 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=89751
in Visual Informatics > vol 1 n° 2 (June 2017) . - pp 118 - 131[article]
Titre : Eye Tracking methodology Type de document : Monographie Auteurs : Andrew T. Duchowski, Auteur Editeur : Springer International Publishing Année de publication : 2017 Importance : 387 p. ISBN/ISSN/EAN : 978-3-319-57883-5 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Informatique
[Termes IGN] acuité visuelle
[Termes IGN] champ visuel
[Termes IGN] chromatopsie
[Termes IGN] fonction de transfert de modulation
[Termes IGN] interface homme-machine
[Termes IGN] logiciel de visualisation
[Termes IGN] oculométrie
[Termes IGN] Python (langage de programmation)
[Termes IGN] réalité virtuelle
[Termes IGN] vision
[Termes IGN] vision binoculaireRésumé : (éditeur) Focusing on recent advances in analytical techniques, this third edition of Andrew Duchowski’s successful guide has been revised and extended. It includes new chapters on calibration accuracy, precision and correction; advanced eye movement analysis; binocular eye movement analysis; practical gaze analytics; eye movement synthesis. Eye Tracking Methodology opens with useful background information, including an introduction to the human visual system and key issues in visual perception and eye movement. The author then surveys eye-tracking devices and provides a detailed introduction to the technical requirements necessary for installing a system and developing an application program. Modern programming examples (in Python) are included and the author outlines the gaze analytics pipeline, a step-by-step data processing sequence from raw data to statistical analysis. Focusing on the use of modern video-based, corneal-reflection eye trackers – the most widely available and affordable types of systems, Andrew Duchowski takes a look at a number of interesting and challenging applications in human factors, collaborative systems, virtual reality, marketing and advertising. His primary focus is on methodology, and how analysis of eye movements can enhance research and development of anything that is inspected visually. Note de contenu : I- Introduction to the Human Visual System (HVS)
II- Eye Tracking Systems
III- Eye Tracking Methodology
IV- Eye Tracking Applications
ConclusionNuméro de notice : 25789 Affiliation des auteurs : non IGN Thématique : INFORMATIQUE Nature : Monographie En ligne : https://doi.org/10.1007/978-3-319-57883-5 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95001 For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach / Izabela Golebiowska in International journal of geographical information science IJGIS, vol 31 n° 1-2 (January - February 2017)
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Titre : For your eyes only? Evaluating a coordinated and multiple views tool with a map, a parallel coordinated plot and a table using an eye-tracking approach Type de document : Article/Communication Auteurs : Izabela Golebiowska, Auteur ; Tomasz Opach, Auteur ; Jan Ketil Rød, Auteur Année de publication : 2017 Article en page(s) : pp 237 - 252 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] logiciel de visualisation
[Termes IGN] oculométrie
[Termes IGN] visualisation cartographique
[Termes IGN] visualisation de données
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) Geographic visualization tools with coordinated and multiple views (CMV) typically provide sets of visualization methods. Such configuration gives users the possibility of investigating data in various visual contexts; however, it can be confusing due to the multiplicity of visual components and interactive functions. We addressed this challenge and conducted an empirical study on how a CMV tool, consisting of a map, a parallel coordinate plot (PCP), and a table, is used to acquire information. We combined a task-based approach with eye-tracking and usability metrics since these methods provide comprehensive insights into users’ behaviour. Our empirical study revealed that the freedom to choose visualization components is appreciated by users. The individuals worked with all the available visualization methods and they often used more than one visualization method when executing tasks. Different views were used in different ways by various individuals, but in a similarly effective way. Even PCP, which is claimed to be problematic, was found to be a handy way of exploring data when accompanied by interactive functions. Numéro de notice : A2017-032 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2016.1191636 En ligne : http://dx.doi.org/10.1080/13658816.2016.1191636 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84025
in International journal of geographical information science IJGIS > vol 31 n° 1-2 (January - February 2017) . - pp 237 - 252[article]Réservation
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Code-barres Cote Support Localisation Section Disponibilité 079-2017011 RAB Revue Centre de documentation En réserve L003 Disponible 079-2017012 RAB Revue Centre de documentation En réserve L003 Disponible Usability evaluation of centered time cartograms / Rehmat Ullah in Open geosciences, vol 8 n° 1 (January - July 2016)
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Titre : Usability evaluation of centered time cartograms Type de document : Article/Communication Auteurs : Rehmat Ullah, Auteur ; Eskedar Zelalem Mengistu, Auteur ; Corné P.J.M. Van Elzakker, Auteur ; Menno-Jan Kraak, Auteur Année de publication : 2016 Article en page(s) : pp 337 - 359 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] cartogramme
[Termes IGN] convivialité
[Termes IGN] oculométrie
[Termes IGN] Pays-Bas
[Termes IGN] réseau ferroviaire
[Termes IGN] temps
[Vedettes matières IGN] GéovisualisationRésumé : (auteur) A time cartogram visualizes travelling-times between locations. It replaces the geographic distance by time distance and distorts the underlyingmap accordingly. By distorting themap, time cartogramsmay give a more intuitive and clear picture of travelling-times. The distortion of the map, however, can make time cartograms harder to recognize and use. Although cartograms are becoming widespread in use, very little is known about their usability. This study focuses on the usability of centered time cartograms: time cartograms that visualize travellingtimes from a fixed starting location to other destinations in a region. We created several centered time cartograms to answer spatio-temporal questions related to the Dutch railway network. Two experiments were performed: a laboratory test and an online survey. In the laboratory test, we used eye-tracking, thinking aloud, and video-recording to compare four different designs of centered time cartograms to find out which one (or combination) of these performs better in answering spatiotemporal questions and thus, to establish a favorable design strategy for these cartograms. In the online survey, centered time cartograms were evaluated against a geographic and schematic map for accuracy, response time, and preference. The first experiment suggested that among various designs, the centered time cartogram with emphasized railroads is the most preferred design and the centered time cartogram without railroads is the least preferred. The second experiment indicated that overall, centered time cartograms perform better than the two other solutions in performing spatio-temporal tasks, particularly when the task has a dominant time-related component. Numéro de notice : A2016--069 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1515/geo-2016-0035 En ligne : https://doi.org/10.1515/geo-2016-0035 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=84415
in Open geosciences > vol 8 n° 1 (January - July 2016) . - pp 337 - 359[article]Assessing the effectiveness and efficiency of map colour for colour impairments using an eye-tracking approach / Weihua Dong in Cartographic journal (the), Vol 53 n° 2 (May 2016)PermalinkHow do display design and user characteristics matter in animations? An empirical study with air traffic control displays / Sara Maggi in Cartographica, vol 51 n° 1 (Spring 2016)PermalinkQuel rôle jouent les principes visuels et les caractéristiques de l'utilisateur dans la visualisation dynamique d'information ? / Sara Maggi in Cartes & Géomatique, n° 226 (décembre 2015)PermalinkDiscriminating classes of sequential and qualitative colour schemes / Alžběta Brychtová in International journal of cartography, vol 1 n° 1 (August 2015)PermalinkEye tracking to explore the potential of enhanced imagery basemaps in web mapping / Weihua Dong in Cartographic journal (the), vol 51 n° 4 (November 2014)PermalinkExploring eye movement patterns on cartographic animations using projections of a space-time-cube / Alexander Salveson Nossum in Cartographic journal (the), vol 51 n° 3 (August 2014)PermalinkAnalysing landmarks in nature and elements of geospatial images to support wayfinding / Pyry Kettunen (2014)PermalinkPermalinkUsing eye-tracking and mouse metrics to test usability of web mapping navigation / S. Manson in Cartography and Geographic Information Science, vol 39 n° 1 (January 2012)Permalink