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Fourier series and the cartographic line / G.J. Lawford in International journal of geographical information science IJGIS, vol 20 n° 1 (january 2006)
[article]
Titre : Fourier series and the cartographic line Type de document : Article/Communication Auteurs : G.J. Lawford, Auteur Année de publication : 2006 Article en page(s) : pp 31 - 52 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Bases de données localisées
[Termes IGN] Australie
[Termes IGN] données vectorielles
[Termes IGN] échelle cartographique
[Termes IGN] généralisation cartographique automatisée
[Termes IGN] matrice
[Termes IGN] reconnaissance de formes
[Termes IGN] segment de droite
[Termes IGN] série de Fourier
[Termes IGN] simplification de contour
[Termes IGN] système d'information géographique
[Termes IGN] trait de côte
[Termes IGN] transformation de FourierRésumé : (Auteur) The application of Fourier Series to cartography and GIS, in particular to shape analysis, fine simplification and enhancement, and the measurement of cartographic scale, is explored. Vector representations of the Australian coastline are manipulated using Fourier techniques and the output appraised in terms of its ability to encapsulate the shape of the original coastline, or as a simplified or enhanced version of the original. Using Fourier techniques on vector representations of parts of the Australian coastline at six different cartographic scales, a relationship between cartographic scale and line complexity is found to exist, and an empirical expression of that relationship developed. The intent of developing an empirical relationship is to bring greater consistency to the process of assigning cartographic scale to data, and thereby to the process of map production, data simplification and GIS analysis. Fourier techniques are found to be a poor encapsulator of cartographic shape, a good method of line simplification and enhancement, and a promising method of measuring cartographic scale. As background, some revision of the history and mathematics of Fourier Series, and previous research into the application of Fourier Series to cartography, is given. Numéro de notice : A2006-024 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article DOI : 10.1080/13658810512331319109 En ligne : https://doi.org/10.1080/13658810512331319109 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=27751
in International journal of geographical information science IJGIS > vol 20 n° 1 (january 2006) . - pp 31 - 52[article]Exemplaires(2)
Code-barres Cote Support Localisation Section Disponibilité 079-06011 RAB Revue Centre de documentation En réserve L003 Disponible 079-06012 RAB Revue Centre de documentation En réserve L003 Disponible