v.delaunay(1grass) | GRASS GIS User's Manual | v.delaunay(1grass) |
v.delaunay - Creates a Delaunay triangulation from an input vector map containing points or centroids.
vector, geometry, triangulation
v.delaunay
v.delaunay --help
v.delaunay [-rl] input=name
[layer=string] output=name [--overwrite]
[--help] [--verbose] [--quiet] [--ui]
v.delaunay uses an existing vector points map (input) to create a Delaunay triangulation vector map (output).
Delaunay triangulation example (red-yellow points are the data points from which the triangulation was generated):
Commands used with the North Carolina dataset to create the above
figure (subset shown in figure).
g.region n=220750 s=219950 w=638300 e=639000 -p v.delaunay input=elev_lid792_randpts output=elev_lid792_randpts_delaunay
Leonid Guibas and Jorge Stolfi, (1985). Primitives for the Manipulation of General Subdivisions and the Computation of Voronoi Diagrams, ACM Transactions on Graphics, Vol 4, No. 2, April 1985, Pages 74-123
v.voronoi, v.hull
Martin Pavlovsky, Google Summer of Code 2008, Student
Paul Kelly, Mentor
Based on "dct" by Geoff Leach, Department of Computer Science,
RMIT.
Available at: v.delaunay source code (history)
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