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Voronoï diagrams on line segments: Measurements for contextual generalization purposes

  • Jean-François Hangouët
  • Riam Djadri
Formal Models of Space
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1329)

Abstract

Contextual generalization is the generalization of a group of geographic features, or of a single feature within its geographical environment. The positions of the features relatively one to the other have to be elicited before any generalization operation can be chosen and performed lest the rendering of the geographical meaning be defaced or misleading. The paper shows, through examples, that Voronoï diagrams on the segments constitutive of the polylines (as geographical features are stored in vector databases) provide a mathematically exact valuation of any feature's relation to its surroundings and thus proves reliably helpful for contextual generalization.

Keywords

Automated Generalization Voronoï Diagrams 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1997

Authors and Affiliations

  • Jean-François Hangouët
    • 1
  • Riam Djadri
    • 1
  1. 1.Cogit LaboratoryI.G.N.Saint-Mandè CèdexFrance

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