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Is it possible to create Thiessen polygons around nodes in QGIS? e.g. http://en.wikipedia.org/wiki/Voronoi_diagram

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2 Answers 2

up vote 9 down vote accepted

Yes, you'll find "Voronoi Polygons" in Vector - Geometry tools (at least if you use current trunk version).

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The ftools plugin can produce Thiessen polygons, as Vector -> Geometry Tools -> Delaunay Triangulation.

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