corners

0th

Percentile

Corners of a rectangle

Returns the four corners of a rectangle

Keywords
spatial
Usage
corners(window)
Arguments
window
A window. An object of class owin, or data in any format acceptable to as.owin().
Details

This trivial function is occasionally convenient. If window is of type "rectangle" this returns the four corners of the window itself; otherwise, it returns the corners of the bounding rectangle of the window.

Value

  • A list with two components x and y, which are numeric vectors of length 4 giving the coordinates of the four corner points of the (bounding rectangle of the) window.

See Also

quad.object, quadscheme

Aliases
  • corners
Examples
w <- unit.square()
  corners(w)
       # returns list(x=c(0,1,0,1),y=c(0,0,1,1))
Documentation reproduced from package spatstat, version 1.5-9, License: GPL version 2 or newer

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