Count Number of Vertices
Count the number of vertices in an object for which vertices are well-defined.
nvertices(x, ...) ## S3 method for class 'owin' nvertices(x, ...) ## Default S3 method: nvertices(x, ...)
| x | A window (object of class  | 
| ... | Currently ignored. | 
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)).
A single integer.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au, Rolf Turner r.turner@auckland.ac.nz and Ege Rubak rubak@math.aau.dk and Suman Rakshit.
nvertices(square(2)) nvertices(letterR)
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