GENERALISATION OF SUBMARINE FEATURES ON NAUTICAL CHARTS

Éric Guilbert · X. Zhang

10 citations0/0 files storedISPRS annals of the photogrammetry, remote sensing and spatial information sciences

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Geographic Information Systems Studies Historical Geography and Cartography Maritime Navigation and Safety

Abstract

Abstract. On most large scale and middle scale maps, relief is represented by contours and spot heights. In order to adapt the representation to the scale, the terrain is generalised either by smoothing or filtering the terrain model or by simplifying the contours. However this approach is not applicable to nautical chart construction where terrain features are selected according to their importance for navigation. This paper presents an approach for the consideration of feature attributes in the generalisation of a set of contours with respect to nautical chart constraints. Features are defined by sets of contours and a set of generalisation operators applied to features is presented. The definitions are introduced in a multi-agent system in order to perform automatic generalisation of a contour set. Results are discussed on a case study and directions for future work are presented.

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References

1998Line Generalization Based on Analysis of Shape Characteristics 2007Modelling the Overall Process of Generalisation 1999Modèle de généralisation de données géographiques à base de contraintes et d'autonomie 2005Building displacement over a ductile truss 1988Automated Cartographic Generalization For Linear Features 2008Cartographic generalisation of lines based on a B‐spline snake model 2000An Integrated Technique for Automated Generalization of Contour Maps 2005Generalization of Contours Using Deviation Angles and Error Bands

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2025Submarine Terrain Generalization in Nautical Charts: A Survey of Traditional Methods and Graph Neural Network Solutions

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