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Schematizing crossroads from abstract textual descriptions / Jean-Marie Favreau (2022)  

Public Titre : Schematizing crossroads from abstract textual descriptions Type de document : Article/Communication Auteurs : Jean-Marie Favreau, Auteur ; Guillaume Touya , Auteur ; Jérémy Kalsron, Auteur Editeur : Bonn : Université de Bonn Année de publication : 2022 Projets : ACTIVmap / Favreau, Jean-Marie Conférence : CompCarto 2022, 1st workshop on Computational Cartography 19/05/2022 20/05/2022 Bonn Allemagne programme Importance : 3 p. Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] carrefour [Termes IGN] carte tactile [Termes IGN] cartogramme [Termes IGN] exploration de texte [Vedettes matières IGN] Cartologie Résumé : (auteur) [début] The use of cartographic representations among people with visual impairments (PVI) is often limited by the lack of available materials. However, two uses have been identified: diagrams made with sticks magnetised to a metal plate (Figure 1) are used by Orientation and Mobility instructors as a discussion aid around complex areas (typically intersections), and more accurate maps made by transcribing adapters are sometimes produced for regular use. While classical variations of the generalisation and stylisation approaches allow for the production of fairly accurate maps [JLCJ21], for example from OpenStreetMap data (figure 2), there are currently no known approaches to producing a more schematic representation, in the manner of the locomotion instructors’ magnets. Numéro de notice : C2022-013 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComSansActesPubliés-Unpublished DOI : sans Date de publication en ligne : 24/05/2022 En ligne : https://hal.science/hal-03677334/ Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=100747

Lived and perceived space during lock-down in a sensitive map approach / Laurence Jolivet (2021)  

Public Titre : Lived and perceived space during lock-down in a sensitive map approach Type de document : Article/Communication Auteurs : Laurence Jolivet , Auteur ; Catherine Dominguès , Auteur ; Eric Mermet , Auteur ; Sevil Seten, Auteur Editeur : International Cartographic Association ICA - Association cartographique internationale ACI Année de publication : 2021 Collection : Proceedings of the ICA num. 4 Projets : 1-Pas de projet / Favreau, Jean-Marie Conférence : ICC 2021, 30th ICA international cartographic conference 14/12/2021 18/12/2021 Florence Italie programme Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] cartogramme [Termes IGN] cartographie sensible [Termes IGN] espace public [Termes IGN] expérience scientifique [Termes IGN] sentiment [Termes IGN] utilisateur civil [Vedettes matières IGN] Cartologie Résumé : (auteur) The first lock-down in France due to the Covid-19 pandemic happened during spring 2020. It meant restrictions for everyone regarding reachable space and possible time length outside home. The seminar of sensitive mapping taking place in École des hautes études en sciences sociales (EHESS) went online and proposed an exercise to investigate the consequences of these statutory restrictions on individual lived and perceived space. The defined protocol of the exercise was based on the framework of the sensitive map approach. This approach adapts the principles of conventional cartography so that to favour personal information selection and design. Each participant of the seminar had the task to map their space. Displayed information should concern meaningful elements from their spatial environment. Other targeted information was sensitive information including emotions, feelings, and opinions as well as perceived elements from the five senses. The resulted map corpus offers diverse mapping creations. Each map contains several graphic items. Items are mainly cartographical displays enriched with non-cartographical drawings, pictures, photos, records, charts. Techniques were mixed: pen, fabrics, computer-based. The themes of displayed elements are about spatially-stable features like the dwelling, buildings remained open, green spaces, and about ephemeral and sensitive information like social interactions, people, perceived sounds, smells and feelings about the lock-down situation and the pandemic. Some maps have used or were inspired by topographic maps. Though in most maps, distances and topology are subjective. Sensitive mapping appeared as an interesting approach to collect individual testimonies and might be complementary to statistical studies. Numéro de notice : C2021-056 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : 10.5194/ica-proc-4-50-2021 Date de publication en ligne : 03/12/2021 En ligne : https://doi.org/10.5194/ica-proc-4-50-2021 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=99435

A change of theme: the role of generalization in thematic mapping / Paulo Raposo in ISPRS International journal of geo-information, vol 9 n° 6 (June 2020)  

Public [article]  inISPRS International journal of geo-information > vol 9 n° 6 (June 2020) . - n° 371 ; 18 p. Titre : A change of theme: the role of generalization in thematic mapping Type de document : Article/Communication Auteurs : Paulo Raposo, Auteur ; Guillaume Touya , Auteur ; Pia Bereuter, Auteur Année de publication : 2020 Projets : 1-Pas de projet / Favreau, Jean-Marie Article en page(s) : n° 371 ; 18 p. Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] cartogramme [Termes IGN] cartographie thématique [Termes IGN] couche thématique [Termes IGN] fond cartographique [Termes IGN] géovisualisation [Termes IGN] histoire de la cartographie [Termes IGN] représentation cartographique [Termes IGN] style cartographique [Termes IGN] visualisation cartographique [Vedettes matières IGN] Généralisation Résumé : (auteur) Cartographic generalization research has focused almost exclusively in recent years on topographic mapping, and has thereby gained an incorrect reputation for having to do only with reference or positional data. The generalization research community needs to broaden its scope to include thematic cartography and geovisualization. Generalization is not new to these areas of cartography, and has in fact always been involved in thematic geographic visualization, despite rarely being acknowledged. We illustrate this involvement with several examples of famous, public-audience thematic maps, noting the generalization procedures involved in drawing each, both across their basemap and thematic layers. We also consider, for each map example we note, which generalization operators were crucial to the formation of the map’s thematic message. The many incremental gains made by the cartographic generalization research community while treating reference data can be brought to bear on thematic cartography in the same way they were used implicitly on the well-known thematic maps we highlight here as examples. Numéro de notice : A2020-318 Affiliation des auteurs : UGE-LASTIG+Ext (2020- ) Autre URL associée : vers HAL Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.3390/ijgi9060371 Date de publication en ligne : 04/06/2020 En ligne : https://hal.science/hal-02774131v1 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=95183 [article]

Mapping for a sustainable world / Menno-Jan Kraak (2020)  

Public Titre : Mapping for a sustainable world Type de document : Monographie Auteurs : Menno-Jan Kraak, Auteur ; Robert Emmett Roth, Auteur ; Britta Ricker, Auteur ; Ayako Kagawa, Auteur ; Guillaume Le Sourd, Auteur Editeur : International Cartographic Association ICA - Association cartographique internationale ACI Année de publication : 2020 Autre Editeur : Paris, New York, Genève : Organisation des Nations Unies ONU Importance : 143 p. ISBN/ISSN/EAN : 978-92-1-604046-8 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie [Termes IGN] carte choroplèthe [Termes IGN] cartogramme [Termes IGN] données localisées [Termes IGN] rédaction cartographique Résumé : (éditeur) The book comprises four sections. Section 1 introduces the SDGs and their relation to geospatial data, describing SDG indicators and data transformations for mapping. Section 2 describes foundational design decisions in the cartographic workflow including projections, scale, generalization, symbolization, typography, and visual hierarchy among others. Section 3 introduces common map types (e.g., choropleth maps, proportional symbol maps, dasymetric maps, bivariate maps, cartograms) and diagrams (e.g., bar charts, scatterplots, timelines) for representing the SDG indicators. Finally, Section 4 discusses considerations for map use environments such as audiences, user interfaces and interaction operators, mobile and web media, storytelling versus exploration, and open access. Numéro de notice : 17151 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Recueil / ouvrage collectif Date de publication en ligne : 01/12/2020 En ligne : https://digitallibrary.un.org/record/3898826?ln=en Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=98684

CarSenToGram: geovisual text analytics for exploring spatiotemporal variation in public discourse on Twitter / Caglar Koylu in Cartography and Geographic Information Science, Vol 46 n° 1 (January 2019)  

Public [article]  inCartography and Geographic Information Science > Vol 46 n° 1 (January 2019) . - pp 57 - 71 Titre : CarSenToGram: geovisual text analytics for exploring spatiotemporal variation in public discourse on Twitter Type de document : Article/Communication Auteurs : Caglar Koylu, Auteur ; Ryan Larson, Auteur ; Bryce J. Dietrich, Auteur ; Kang-Pyo Lee, Auteur Année de publication : 2019 Article en page(s) : pp 57 - 71 Note générale : bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] analyse du discours [Termes IGN] analyse géovisuelle [Termes IGN] cartogramme [Termes IGN] contenu généré par les utilisateurs [Termes IGN] corpus [Termes IGN] données issues des réseaux sociaux [Termes IGN] exploration de données [Termes IGN] sentiment [Termes IGN] Twitter [Vedettes matières IGN] Géovisualisation Résumé : (auteur) Assessing the impact of events on the evolution of online public discourse is challenging due to the lack of data prior to the event and appropriate methodologies for capturing the progression of tenor of public discourse, both in terms of their tone and topic. In this article, we introduce a geovisual analytics framework, CarSenToGram, which integrates topic modeling and sentiment analysis with cartograms to identify the changing dynamics of public discourse on a particular topic across space and time. The main novelty of CarSenToGram is coupling comprehensible spatiotemporal overviews of the overall distribution, topical and sentiment patterns with increasing levels of information supported by zoom and filter, and details-on-demand interactions. To demonstrate the utility of CarSenToGram, in this article, we analyze tweets related to immigration the month before and after the 27 January 2017 travel ban in order to reveal insights into one of the defining moments of President Trump’s first year in office. Not only do we find that the travel ban influenced online public discourse and sentiment on immigration, but it also highlighted important partisan divisions within the US. Numéro de notice : A2019-012 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/15230406.2018.1510343 Date de publication en ligne : 18/09/2018 En ligne : https://doi.org/10.1080/15230406.2018.1510343 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=91661 [article]

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