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Auteur Francis Harvey |
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Bertin’s graphic variables and online map makers: an empirical study of maps produced by prosumers and cartographers / Natalia Ipatow in Cartographica, vol 54 n° 4 (Winter 2019)
[article]
Titre : Bertin’s graphic variables and online map makers: an empirical study of maps produced by prosumers and cartographers Type de document : Article/Communication Auteurs : Natalia Ipatow, Auteur ; Francis Harvey, Auteur Année de publication : 2019 Article en page(s) : pp 233 - 244 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Cartographie numérique
[Termes IGN] approche participative
[Termes IGN] cartographe
[Termes IGN] communication cartographique
[Termes IGN] conception cartographique
[Termes IGN] enquête
[Termes IGN] information cartographique
[Termes IGN] information sémantique
[Termes IGN] représentation graphique
[Termes IGN] sémiologie graphique
[Termes IGN] visualisation de données
[Termes IGN] web mappingRésumé : (Auteur) Near-ubiquitous Internet access with widely available user-friendly Web tools and software packages for map creation have allowed an increasing number of digitally savvy map makers, including prosumers, to communicate with other people using mashup maps for some years. This article presents an empirical study that looks at the question of how prosumers and cartographers use the graphical variables developed by Jacques Bertin in 1967 for cartographic communication. The findings suggest that both prosumers and trained cartographers mainly use the graphical variables colour hue and shape. Trained cartographers additionally use the graphical variables size and colour value to represent ordinal, nominal, and numerical data. The persistence of this difference speaks to the continued importance of cartographic training for effective cartographic communication. Numéro de notice : A2019-558 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.3138/cart.54.4.2018-0024 Date de publication en ligne : 05/12/2019 En ligne : https://doi.org/10.3138/cart.54.4.2018-0024 Format de la ressource électronique : URL Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=94351
in Cartographica > vol 54 n° 4 (Winter 2019) . - pp 233 - 244[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 031-2019041 SL Revue Centre de documentation Revues en salle Disponible Bertin’s matrix concepts reconsidered: transformations of semantics and semiotics to support geovisualization use / Francis Harvey in Cartography and Geographic Information Science, vol 46 n° 2 (March 2019)
[article]
Titre : Bertin’s matrix concepts reconsidered: transformations of semantics and semiotics to support geovisualization use Type de document : Article/Communication Auteurs : Francis Harvey, Auteur ; Eric Losang, Auteur Année de publication : 2019 Article en page(s) : pp 152 - 162 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] sémantique
[Termes IGN] sémiologie graphique
[Termes IGN] traitement de l'information
[Vedettes matières IGN] GéovisualisationRésumé : (Auteur) Transformations, for many the core of analytical cartography, involve manipulations of semiotics and semantics. To develop a framework for contemporary geovisualization, we draw on concepts behind Jacques Bertin’s lesser known work among Anglo-American cartographers, La graphique et le traitement graphique de l’information (1977 Bertin, J. (1977). La graphique et le traitement graphique de l’information. Paris: Flammarion. [Google Scholar]), translated 1981 as Graphics and graphic information-processing. This book describes the transformations of semiotics and semantics in a matrix-based process to create graphics, especially geovisualizations. It offers a logical development from concepts presented in the semiology of graphics and took up semantics and communication aspects. The framework we develop starts with the insights from this book but moves beyond Bertin’s questionable assumption about the necessity of a prior accord between map producer and map reader regarding semiotics and semantics for successful communication. We reconsider the involved semiotic and semantic manipulations for the discursive analysis of geovisualizations beginning with Barbara Petchenik’s insight that cartographic communication accounts for biases and physiological limits. We broaden these considerations to include distributed cognition concepts from Edward Hutchins, which account for preferences and physiological limitations regarding their broader institutional and cultural settings. The revised linkage of semantics and semiotics, which understands map design as a process of developing boundary objects, focuses on the transformations for making geovisualizations. This analysis holds relevance for improvements to geovisualization and the development of enhancements for cartographic design. Numéro de notice : A2019-097 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1080/15230406.2018.1515036 Date de publication en ligne : 30/11/2018 En ligne : https://doi.org/10.1080/15230406.2018.1515036 Format de la ressource électronique : URL Article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=92354
in Cartography and Geographic Information Science > vol 46 n° 2 (March 2019) . - pp 152 - 162[article]Exemplaires(1)
Code-barres Cote Support Localisation Section Disponibilité 032-2019021 RAB Revue Centre de documentation En réserve L003 Disponible Geometric matching of areas comparison measures and association links / Francis Harvey (1998)
contenu dans SDH 98 Proceedings, 8th international symposium on spatial data handling, Vancouver, July 11 - 15, 1998 / Thomas K. Poiker (1998)
Titre : Geometric matching of areas comparison measures and association links Type de document : Article/Communication Auteurs : Francis Harvey, Auteur ; François Vauglin , Auteur ; Atef Bel Hadj Ali , Auteur Editeur : Delhi, Washington, Delft... : International Geographical Union IGU Année de publication : 1998 Conférence : SDH 1998, 8th international symposium on spatial data handling 11/07/1998 15/07/1998 Vancouver Canada Importance : pp 557 - 568 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] appariement de formes
[Termes IGN] appariement géométrique
[Termes IGN] information sémantique
[Termes IGN] intégration de donnéesNuméro de notice : C1998-044 Affiliation des auteurs : COGIT+Ext (1988-2011) Thématique : GEOMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=81334 Local-government data sharing: evaluating the foundations of spatial data infrastructures / Francis Harvey in International journal of geographical information science IJGIS, vol 20 n° 7 (august 2006)
[article]
Titre : Local-government data sharing: evaluating the foundations of spatial data infrastructures Type de document : Article/Communication Auteurs : Francis Harvey, Auteur ; David Tulloch, Auteur Année de publication : 2006 Article en page(s) : pp 743 - 768 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Infrastructure de données
[Termes IGN] collectivité territoriale
[Termes IGN] Etats-Unis
[Termes IGN] infrastructure nationale des données localisées
[Termes IGN] partage de données localiséesRésumé : (Auteur) This paper presents a typology of local-government data sharing arrangements in the US at a time when spatial data infrastructures (SDI) are moving into a second generation. In the first generation, the US National Spatial Data Infrastructure (NSDI) theoretically involved a pyramid of data integration resting on local-government data sharing. Availability of local-government data is the foundation for all SDI-related data sharing in this model. However, first-generation SDI data-sharing activities and principles have gained only a tenuous hold in local governments. Some formalized data sharing occurs, but only infrequently in response to SDI programmes and policies. Previous research suggests that local-government data sharing aligns with immediate organizational and practical concerns rather than state or national policies and programmes. We present research findings echoing extending these findings to show that local-government data sharing is largely informal in nature and is undertaken to support existing governmental activities. NSDI principles remain simply irrelevant for the majority of surveyed local governments. The typology we present distinguishes four distinct types of local-government data sharing arrangements that reflect institutional, political, and economic factors. The effectiveness of second generation, client-service-based SDI will be seriously constrained if the problems of local government take-up fail to be addressed. Copyright Taylor & Francis Numéro de notice : A2006-293 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE Nature : Article DOI : 10.1080/13658810600661607 En ligne : https://doi.org/10.1080/13658810600661607 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=28020
in International journal of geographical information science IJGIS > vol 20 n° 7 (august 2006) . - pp 743 - 768[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 079-06071 RAB Revue Centre de documentation En réserve L003 Disponible 079-06072 RAB Revue Centre de documentation En réserve L003 Disponible No fuzzy creep! A clustering algorithm for controlling arbitrary node movement / Francis Harvey (07/04/1997)
contenu dans 1997 ACSM-ASPRS annual convention, Volume 5. Auto-Carto 13 / American society for photogrammetry and remote sensing (1997)
Titre : No fuzzy creep! A clustering algorithm for controlling arbitrary node movement Type de document : Article/Communication Auteurs : Francis Harvey, Auteur ; François Vauglin , Auteur Editeur : Bethesda [Maryland - Etats-Unis] : American Society for Photogrammetry and Remote Sensing ASPRS Année de publication : 07/04/1997 Conférence : Auto-Carto 1997, 13th international symposium on computer-assisted cartography 07/04/1997 10/04/1997 Seattle Washington - Etats-Unis open access proceedings Importance : pp 317 - 326 Format : 21 x 30 cm Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] analyse de groupement
[Termes IGN] géomètrie algorithmique
[Termes IGN] noeudRésumé : (Auteur) A perennial problem in vector overlay is fuzzy creep. Commercial vector overlay algorithms resolve near intersections of lines employing arbitrary node movement to align two chains at nodes selected randomly in the area of an epsilon band. While this solution is effective in reducing the number of sliver polygons, it introduces distortion. In some situations this distortion may be tolerable, but in others it may produce positional errors that are unacceptable for the cartographic or analytical purpose. Our research aims to provide an extension of overlay processing that provides a solution for GIS uses that require more exact control over node movement. The key to this is a robust, non-distorting cluster analysis. The cluster algorithm we present fulfills two goals: 1) it selects nodes based on an nearness heuristic, 2) it allows the user to fix the position of one data set's nodes and moves the other data set's nodes to match these position. In this paper we review existing cluster algorithms from the computational geometry and analytical cartography literature, evaluating their heuristics in terms of the potential to avoid fuzzy creep. Grouping the algorithms into a bit-map and fuzzy-detection types, we discuss the advantages and disadvantages of each approach for controlled near intersection detection. Based on the results of this analysis, we present a algorithm for non-distortive geometric match processing, the basis for our work on geometric match processing. Numéro de notice : C1997-068 Affiliation des auteurs : COGIT+Ext (1988-2011) Thématique : GEOMATIQUE/INFORMATIQUE Nature : Communication nature-HAL : ComAvecCL&ActesPubliésIntl DOI : sans En ligne : https://cartogis.org/docs/proceedings/archive/auto-carto-13/pdf/no-fuzzy-creep-a [...] Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=64340 Documents numériques
en open access
No-fuzzy-creep-a-clustering-algorithm ... - pdf éditeurAdobe Acrobat PDF vol 14 n° 8 - december 2000 - Social construction of geographical information C (Bulletin de International journal of geographical information science IJGIS) / Francis HarveyPermalink