deldir v0.1-16
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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 | |
| tile.list | Create a list of tiles in a tessellation | |
| triang.list | Create a list of Delaunay triangles | |
| which.tile | Determine the tile containing a given point. | |
| deldir | Delaunay triangulation and Dirichlet tessellation | |
| tileInfo | Extract information from a tile list. | |
| plot.triang.list | Plot Delaunay triangles | |
| print.tileInfo | Print a summary of tile information. | |
| tilePerim | Calculate tile perimeters. | |
| triMat | Produce matrix of triangle vertex indices. | |
| seaweed | seaweed | |
| tile.centroids | Compute centroids of Dirchlet (Voronoi) tiles | |
| divchain.deldir | Dividing chain; “deldir” method. | |
| plot.divchain | Plot a dividing chain. | |
| plot.tile.list | Plot Dirchlet (Voronoi) tiles | |
| duplicatedxy | Determine duplicated points. | |
| deldir-internal | Internal deldir functions | |
| niProperties | Northern Ireland properties. | |
| plot.deldir | Plot objects produced by deldir | |
| divchain.default | Dividing chain; default method. | |
| divchain | Dividing chain; generic. | |
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Details
| Date | 2019-01-04 |
| LazyData | true |
| ByteCompile | true |
| License | GPL (>= 2) |
| NeedsCompilation | yes |
| Packaged | 2019-01-04 10:06:28 UTC; rolf |
| Repository | CRAN |
| Date/Publication | 2019-01-04 15:40:08 UTC |
| imports | graphics , grDevices |
| suggests | polyclip |
| depends | R (>= 0.99) |
| Contributors | Rolf Turner |
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