spatstat.geom (version 3.6-0)

rotate.im: Rotate a Pixel Image

Description

Rotates a pixel image

Usage

# S3 method for im
rotate(X, angle=pi/2, ..., centre=NULL)

Value

Another object of class "im" representing the rotated pixel image.

Details

The image is rotated by the angle specified. Angles are measured in radians, anticlockwise. The default is to rotate the image 90 degrees anticlockwise.

See Also

affine.im, shift.im, rotate

Examples

  Z <- distmap(letterR)
  X <- rotate(Z)
  # plot(X)
  Y <- rotate(X, centre="midpoint")