Learn R
spatstat.geom (version 3.2-9)

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 owin
nvertices(x, ...)
  # S3 method for default
nvertices(x, ...)

Value

A single integer.

Arguments

x

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

...

Currently ignored.

Author

Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner rolfturner@posteo.net and Ege Rubak rubak@math.aau.dk and Suman Rakshit.

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)).

See Also

vertices

Examples

Run this code
  nvertices(square(2))
  nvertices(letterR)

Run the code above in your browser using DataLab