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tripack (version 1.3-9)

Triangulation of Irregularly Spaced Data

Description

A constrained two-dimensional Delaunay triangulation package providing both triangulation and generation of voronoi mosaics of irregular spaced data.

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Version

Install

install.packages('tripack')

Monthly Downloads

2,920

Version

1.3-9

License

ACM | file LICENSE

Maintainer

Fortran code by R J Renka R functions by Albrecht Gebhardt With contributions from Stephen Eglen stephenancedacuk

Last Published

March 6th, 2020

Functions in tripack (1.3-9)

plot.tri

Plot a triangulation object
circum

Determine the circumcircle of a triangle
plot.voronoi

Plot a voronoi object
voronoi

Voronoi object
tri.dellens

Compute the Delaunay segment lengths
tritest

tritest / sample data
tri.find

Locate a point in a triangulation
identify.tri

Identify points in a triangulation plot
convex.hull

Return the convex hull of a triangulation object
tri.mesh

Create a delaunay triangulation
plot.voronoi.polygons

plots an voronoi.polygons object
voronoi.area

Calculate area of Voronoi polygons
tri

A triangulation object
add.constraint

Add a constraint to an triangulaion object
cells

extract info about voronoi cells
print.summary.tri

Print a summary of a triangulation object
summary.voronoi

Return a summary of a voronoi object
circles

plot circles
neighbours

List of neighbours from a triangulation object
print.summary.voronoi

Print a summary of a voronoi object
outer.convhull

Version of outer which operates only in a convex hull
voronoi.findrejectsites

Find the Voronoi sites at the border of the region (to be rejected).
summary.tri

Return a summary of a triangulation object
circumcircle

Determine the circumcircle of a set of points
circtest

circtest / sample data
on.convex.hull

Determines if points are on the convex hull of a triangulation object
voronoi.mosaic

Create a Voronoi mosaic
print.voronoi

Print a voronoi object
tripack-internal

Internal functions
left

Determines whether given points are left of a directed edge.
triangles

Extract a list of triangles from a triangulation object
in.convex.hull

Determines if points are in the convex hull of a triangulation object
voronoi.polygons

extract polygons from a voronoi mosaic
print.tri

Print a triangulation object