rotate.owin

0th

Percentile

Rotate a Window

Rotates a window

Keywords
spatial, math
Usage
## S3 method for class 'owin':
rotate(X, angle=pi/2, \dots, rescue=TRUE)
Arguments
X
A window (object of class "owin").
angle
Angle of rotation.
rescue
Logical. If TRUE, the rotated window will be processed by rescue.rectangle.
...
Optional arguments passed to as.mask controlling the resolution of the rotated window, if X is a binary pixel mask. Ignored if X is not a binary mask.
Details

Rotates the window by the specified angle. Angles are measured in radians, anticlockwise. The default is to rotate the window 90 degrees anticlockwise. The centre of rotation is the origin.

Value

  • Another object of class "owin" representing the rotated window.

See Also

owin.object

Aliases
  • rotate.owin
Examples
w <- owin(c(0,1),c(0,1))
  v <- rotate(w, pi/3)
  plot(v)
  data(letterR)
  w <- as.mask(letterR)
  v <- rotate(w, pi/5)
Documentation reproduced from package spatstat, version 1.23-2, License: GPL (>= 2)

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