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nvertices

Count Number of Vertices


Description

Count the number of vertices in an object for which vertices are well-defined.

Usage

nvertices(x, ...)

  ## S3 method for class 'owin'
nvertices(x, ...)

  ## Default S3 method:
nvertices(x, ...)

Arguments

x

A window (object of class "owin"), or some other object which has vertices.

...

Currently ignored.

Details

This function counts the number of vertices of x as they would be returned by vertices(x). It is more efficient than executing npoints(vertices(x)).

Value

A single integer.

Author(s)

Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk and Suman Rakshit.

See Also

Examples

nvertices(square(2))
  nvertices(letterR)

spatstat.geom

Geometrical Functionality of the 'spatstat' Family

v2.1-0
GPL (>= 2)
Authors
Adrian Baddeley [aut, cre], Rolf Turner [aut], Ege Rubak [aut], Tilman Davies [ctb], Ute Hahn [ctb], Abdollah Jalilian [ctb], Sebastian Meyer [ctb], Suman Rakshit [ctb], Dominic Schuhmacher [ctb], Rasmus Waagepetersen [ctb]
Initial release
2021-04-15

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