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Cartographic design and the space–time cube / Irma Kveladze in Cartographic journal (the), Vol 56 n° 1 (February 2019)  

Public [article]  inCartographic journal (the) > Vol 56 n° 1 (February 2019) . - pp 73 - 90 Titre : Cartographic design and the space–time cube Type de document : Article/Communication Auteurs : Irma Kveladze, Auteur ; Menno-Jan Kraak, Auteur ; Corné P.J.M. Van Elzakker, Auteur Année de publication : 2019 Article en page(s) : pp 73 - 90 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] convivialité [Termes descripteurs IGN] couleur (rédaction cartographique) [Termes descripteurs IGN] cube espace-temps [Termes descripteurs IGN] estompage en fonction de l'éloignement [Termes descripteurs IGN] information complexe [Termes descripteurs IGN] oculométrie [Termes descripteurs IGN] taille (variable visuelle) [Termes descripteurs IGN] variable visuelle [Vedettes matières IGN] Géovisualisation Résumé : (Auteur) This paper reports on the results of an empirical evaluation that aimed to define the effectiveness and efficiency of different visual variables in depicting the Space–Time Cube’s (STC) content. Existing STC applications demonstrate that the most used visual variables are size and colour hue. Less is known, however, about their usability metrics. The research sets design criteria for STC contents, such as space–time paths, based on the cartographic design theory. The visual variables colour hue, colour value, colour saturation, size and orientation have been applied in two different use case studies. Besides, to support the three-dimensional visual environment, depth cues such as shading and transparency were considered too. User tests have been executed based on real-world problems with particular attention for the visualization strategy and data complexity. The outcomes revealed the most efficient and effective visual variables to represent data of various complexities in the STC. Numéro de notice : A2019-449 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/00087041.2018.1495898 date de publication en ligne : 13/12/2018 En ligne : https://doi.org/10.1080/00087041.2018.1495898 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92796 [article]

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An investigation into challenges experienced when route planning, navigating and wayfinding / Erin Koletsis in International journal of cartography, vol 3 n° 1 (June 2017)  

Public [article]  inInternational journal of cartography > vol 3 n° 1 (June 2017) . - pp 4 - 18 Titre : An investigation into challenges experienced when route planning, navigating and wayfinding Type de document : Article/Communication Auteurs : Erin Koletsis, Auteur ; Corné P.J.M. Van Elzakker, Auteur ; Menno-Jan Kraak, Auteur ; et al., Auteur Année de publication : 2017 Article en page(s) : pp 4 - 18 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes descripteurs IGN] itinéraire [Termes descripteurs IGN] lecture de carte [Termes descripteurs IGN] raisonnement spatial [Termes descripteurs IGN] représentation mentale spatiale [Termes descripteurs IGN] test de performance [Termes descripteurs IGN] utilisateur civil [Vedettes matières IGN] Cartologie Résumé : (Auteur) Some map users still experience difficulties when attempting to route plan, navigate and/or wayfind. This paper provides information on the outcomes of a research project that aims to identify the nature of the difficulties/challenges these users experience. The paper draws on findings from studies of strategies used by novice and experienced map users, and users with poor spatial abilities, to identify the skills that those with poor spatial abilities or with little map reading experience lack. Data were collected using Tobii Pro Glasses 2 hardware and associated software. Fourteen participants walked between two predetermined locations while wearing eye-tracking glasses and speaking their thoughts aloud. The data collected in this study were analysed using quantitative and qualitative approaches. Analysis of the results shows three key findings for this particular group: looking at the map incessantly led to missed environmental cues; street names were not labelled at decision-making points on the map; and some individuals having poor spatial abilities prefer small-scale landmarks, for example, buildings with numbers to locate themselves, as opposed to using road names or larger landmarks. We argue that by considering these findings, map designs could be adjusted to meet the needs of map users with poor spatial abilities. Numéro de notice : A2017-316 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern En ligne : http://dx.doi.org/10.1080/23729333.2017.1300996 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=85370 [article]

Of maps, cartography and the geography of the International Cartographic Association / Menno-Jan Kraak in International journal of cartography, vol 3 suppl 1 (May 2017)  

Public [article]  inInternational journal of cartography > vol 3 suppl 1 (May 2017) . - pp 9 - 31 Titre : Of maps, cartography and the geography of the International Cartographic Association Type de document : Article/Communication Auteurs : Menno-Jan Kraak, Auteur ; Sara Irina Fabrikant, Auteur Année de publication : 2017 Article en page(s) : pp 9 - 31 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie [Termes descripteurs IGN] carte Résumé : (Auteur) In this contribution, we first focus on maps as landmarks of cartographic innovation in the context of societal and technical developments in history. This historical analysis stimulated us to offer a new definition for the map that reflects our intention to provide a succinct and flexible, yet inclusive and sustainable definition of our discipline for years to come. We then turn to cartography itself, by analyzing the sustainability of past and current disciplinary definitions, as proposed by its leading professional body, the International Cartographic Association (ICA). In the fourth section, we then go on to analyze the structure and activities of the ICA over the recent past, with the aim to further understand the professional development of the cartographic discipline. Finally, we also consider how the geography of the ICA, that is, the geographic origins of the leading members of the organization, including the executive board members and the chairs of ICA Commissions and Working Groups, might have influenced the shaping of the cartographic discipline. Numéro de notice : A2018-435 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/23729333.2017.1288535 date de publication en ligne : 20/04/2017 En ligne : https://doi.org/10.1080/23729333.2017.1288535 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=90921 [article]

Interactive discovery of sequential patterns in time series of wind data / Norhakim Yusof in International journal of geographical information science IJGIS, vol 30 n° 7- 8 (July - August 2016)  

Public [article]  inInternational journal of geographical information science IJGIS > vol 30 n° 7- 8 (July - August 2016) . - pp 1486 - 1506 Titre : Interactive discovery of sequential patterns in time series of wind data Type de document : Article/Communication Auteurs : Norhakim Yusof, Auteur ; Raul Zurita-Milla, Auteur ; Menno-Jan Kraak, Auteur ; Bas Retsios, Auteur Année de publication : 2016 Article en page(s) : pp 1486 - 1506 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications SIG [Termes descripteurs IGN] carte interactive [Termes descripteurs IGN] direction [Termes descripteurs IGN] météorologie [Termes descripteurs IGN] vent [Termes descripteurs IGN] visualisation de données statistiques [Termes descripteurs IGN] vitesse Résumé : (Auteur) Wind speed and direction vary over space and time due to the interactions between different pressures and temperature gradients within the atmospheric layers. Near the earth’s surface, these interactions are modulated by topography and artificial structures. Hence, characterizing wind behaviour over large areas and long periods is a complex but essential task for various energy-related applications. In this study, we present a novel approach to discover wind patterns by integrating sequential pattern mining and interactive visualization techniques. The approach relies on the use of the Linear time Closed pattern Miner sequence algorithm in conjunction with a time sliding window that allows the discovery of all sequential patterns present in the data. These patterns are then visualized using integrated 2D and 3D coordinated multiple views and visually explored to gain insight into the characteristics of the wind from a spatial, temporal and attribute (type of wind pattern) point of view. This proposed approach is used to analyse 10 years of hourly wind speed and direction data for 29 weather stations in the Netherlands. The results show that there are 15 main sequential patterns in the data. The spatial task shows that weather stations located in the same region do not necessarily experience similar wind pattern. For within the selected time interval, similar wind patterns can be observed in different stations and in the same station at different times of occurrence. The attribute task discovered that the repetitive occurrences of chosen pattern indicate as regular wind behaviour at different weather stations that persisted continuously over time. The results of these tasks show that the proposed interactive discovery facilitates the understanding of wind dynamics in space and time. Numéro de notice : A2016-316 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/13658816.2015.1135928 En ligne : http://dx.doi.org/10.1080/13658816.2015.1135928 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=80936 [article]

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Overcoming challenges in developing more usable pedestrian navigation systems / Ioannis Delikostidis in Cartography and Geographic Information Science, Vol 43 n° 3 (June 2016)  

Public [article]  inCartography and Geographic Information Science > Vol 43 n° 3 (June 2016) . - pp 189 - 207 Titre : Overcoming challenges in developing more usable pedestrian navigation systems Type de document : Article/Communication Auteurs : Ioannis Delikostidis, Auteur ; Corné P.J.M. Van Elzakker, Auteur ; Menno-Jan Kraak, Auteur Année de publication : 2016 Article en page(s) : pp 189 - 207 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Navigation et positionnement [Termes descripteurs IGN] conception orientée utilisateur [Termes descripteurs IGN] évaluation [Termes descripteurs IGN] implémentation (informatique) [Termes descripteurs IGN] interface utilisateur [Termes descripteurs IGN] milieu urbain [Termes descripteurs IGN] navigation pédestre Résumé : (Auteur) This article presents an overview of a research project focusing on improving the usability of pedestrian navigation systems by following a User-Centered Design (UCD) approach. One of the main problems with those systems is how to adequately support and enhance the spatial interactions of a traveler to new urban areas, which is crucial for successful self-orienting and wayfinding. The methodology employed allows for conceptualizing, implementing and evaluating research prototypes that aim to satisfy the special user requirements. Outlined in this article are the techniques designed and integrated in the developed prototype, the methods used for their evaluation through field-based studies and the challenges encountered during this process. New techniques with a measurable impact on the effectiveness, efficiency and satisfaction of navigation were tested and found to dramatically enhance the sense of personal geo-identification in new places. Examples of those techniques are landmark visibility indication, multi-path routing based on time availability, multi-perspective landmark photos and reverse overview + detail maps. Overall, the outcomes of this research verify the capacity of UCD to help overcoming current usability issues with pedestrian navigation systems. By demonstrating an effective UCD methodology and discussing the lessons learned, we intend to aid the development of next generation navigation appliances. Numéro de notice : A2016-164 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : 10.1080/15230406.2015.1031180 En ligne : https://doi.org/10.1080/15230406.2015.1031180 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=80470 [article]

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Usability evaluation of centered time cartograms / Rehmat Ullah in Open geosciences, vol 8 n° 1 (January - July 2016)  

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The space-time cube as part of a GeoVisual analytics environment to support the understanding of movement data / Irma Kveladze in International journal of geographical information science IJGIS, vol 29 n° 11 (November 2015)  

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An alternative method to constructing time cartograms for the visual representation of scheduled movement data / Rehmat Ullah in Journal of maps, vol 11 n° 4 ([01/08/2015])  

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Co-clustering geo-referenced time series: exploring spatio-temporal patterns in Dutch temperature data / Xiaojing Wu in International journal of geographical information science IJGIS, vol 29 n° 4 (April 2015)  

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Visual discovery of synchronisation in weather data at multiple temporal resolutions / Xiaojing Wu in Cartographic journal (the), vol 50 n° 3 (August 2013)

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Parallel indexing technique for spatio-temporal data / Zhenwen He in ISPRS Journal of photogrammetry and remote sensing, vol 78 (April 2013)

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Building pattern recognition in topographic data : examples on collinear and curvilinear alignments / Non-répertorié in Geoinformatica, vol 15 n° 4 (October 2011)

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vol 24 n° 10 - october 2010 - Geospatial visual analytics : focus on time. Special issue of the ICA commission on geovisualization (Bulletin de International journal of geographical information science IJGIS) / Gennady Adrienko

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Cartography / Menno-Jan Kraak (2010)

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Challenges for automated generalisation at European mapping agencies: a qualitative and quantitative analysis / T. Foesrster in Cartographic journal (the), vol 47 n° 1 (January 2010)  

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