deldir v0.2-3

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Delaunay Triangulation and Dirichlet (Voronoi) Tessellation

Calculates the Delaunay triangulation and the Dirichlet or Voronoi tessellation (with respect to the entire plane) of a planar point set. Plots triangulations and tessellations in various ways. Clips tessellations to sub-windows. Calculates perimeters of tessellations. Summarises information about the tiles of the tessellation.

Functions in deldir

Name Description
divchain.default Dividing chain; default method.
divchain.deldir Dividing chain; “deldir” method.
divchain Dividing chain; generic.
lawSummary Produce a Lewis-Aboav-Weaire summary of a tessellation.
duplicatedxy Determine duplicated points.
deldir-internal Internal deldir functions
grapherXmpl grapherXmpl
deldir Delaunay triangulation and Dirichlet tessellation
niProperties Northern Ireland properties.
plot.deldir Plot objects produced by deldir
plot.divchain Plot a dividing chain.
tile.centroids Compute centroids of Dirchlet (Voronoi) tiles
plot.tile.list Plot Dirchlet (Voronoi) tiles
seaweed seaweed
print.tileInfo Print a summary of tile information.
which.tile Determine the tile containing a given point.
tilePerim Calculate tile perimeters.
tile.list Create a list of tiles in a tessellation
tileInfo Extract information from a tile list.
triang.list Create a list of Delaunay triangles
triMat Produce matrix of triangle vertex indices.
plot.triang.list Plot Delaunay triangles
print.deldir Print some information about a tessellation/triangulation.
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Details

Date 2020-11-06
LazyData true
ByteCompile true
License GPL (>= 2)
NeedsCompilation yes
Packaged 2020-11-06 01:42:56 UTC; rolf
Repository CRAN
Date/Publication 2020-11-09 13:20:02 UTC
imports graphics , grDevices
suggests polyclip
depends R (>= 3.5.0)
Contributors Rolf Turner

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