Centre de documentation
scientifique

Line generalisation by repeated elimination of points / M. Visvalingam in Cartographic journal (the), vol 30 n° 1 (June 1993)  

Public [article]  inCartographic journal (the) > vol 30 n° 1 (June 1993) . - pp 46 - 51 Titre : Line generalisation by repeated elimination of points Type de document : Article/Communication Auteurs : M. Visvalingam, Auteur ; J.D. Whyatt, Auteur Année de publication : 1993 Article en page(s) : pp 46 - 51 Note générale : Bibliographie Langues : Anglais (eng) Descripteur : [Termes IGN] algorithme de Douglas-Peucker [Termes IGN] élimination de points [Termes IGN] généralisation cartographique automatisée [Termes IGN] lissage de courbe [Termes IGN] objet géographique linéaire [Vedettes matières IGN] Généralisation Résumé : (Auteur) This paper presents a new approach to line generalisation which uses the concept of 'effective area' for progressive simplification of a line by point elimination. Two coastlines are used to compare the performance of this, with that of the widely used Douglas-Peucker, algorithm. The results from the areabased algorithm compare favourably with manual generalisation of the same lines. It is capable of achieving both imperceptible minimal simplifications and caricatural generalisations. By careful selection of cut-off values, it is possible to use the same algorithm for scaledependent and scaleindependent generalisations. More importantly, it offers scope for modelling cartographic lines as consisting of features within features so that their geometric manipulation may be modified by application- -and/ or userdefined rules and weights. The paper examines the merits and limitations of the algorithm and the opportunities it offers for further research and progress in the field of line generalisation. Numéro de notice : A1993-027 Affiliation des auteurs : non IGN Thématique : GEOMATIQUE/INFORMATIQUE Nature : Article nature-HAL : ArtAvecCL-RevueIntern DOI : 10.1179/000870493786962263 En ligne : https://www.tandfonline.com/doi/abs/10.1179/000870493786962263 Format de la ressource électronique : URL article Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=25693 [article]

Exemplaires(1)

Code-barres	Cote	Support	Localisation	Section	Disponibilité
030-93011	RAB	Revue	Centre de documentation	En réserve L003	Disponible