Dune Surfaces: A Spatial Visualization Technique for Medial Axes in the Plane or on the Sphere

Year: 2012 Authors: Peter Calvache

Core claim

Closest-distance height mapping produces aesthetically readable surfaces whose ridges coincide with medial axes in both planar and spherical settings.

Topics

medial axes, Voronoi diagrams, spatial visualization, geographic data

Domains

computational geometry, distance functions, point-in-polygon, spherical geometry, data visualization, geometric aesthetics, cartographic visualization

Methods

closest-distance mapping, ray casting algorithm, great-circle distance, spherical coordinate transform

Media

planar shapes, earth continents dataset, Spratly Islands

Source status

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