Square Window
Creates a square window
square(r=1, unitname=NULL) unit.square()
r |
Numeric. The side length of the square, or a vector giving the minimum and maximum coordinate values. |
unitname |
Optional. Name of unit of length. Either a single character string, or a vector of two character strings giving the singular and plural forms, respectively. |
If r is a number, square(r)
is a shortcut for creating a window object
representing the square
[0,r] * [0,r].
It is equivalent to the command
owin(c(0,r),c(0,r)).
If r is a vector of length 2, then
square(r) creates the square with x and y coordinates
ranging from r[1] to r[2].
unit.square creates the unit square
[0,1] * [0,1].
It is equivalent to
square(1) or square() or owin(c(0,1),c(0,1)).
These commands are included for convenience, and to improve the readability of some code.
An object of class "owin" (see owin.object)
specifying a window.
Adrian Baddeley Adrian.Baddeley@curtin.edu.au
and Rolf Turner r.turner@auckland.ac.nz
W <- square(10) W <- square(c(-1,1))
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