rotate.im
From spatstat v1.64-1
by Adrian Baddeley
Rotate a Pixel Image
Rotates a pixel image
Usage
# S3 method for im
rotate(X, angle=pi/2, …, centre=NULL)
Arguments
- X
A pixel image (object of class
"im"
).- angle
Angle of rotation, in radians.
- …
Ignored.
- centre
Centre of rotation. Either a vector of length 2, or a character string (partially matched to
"centroid"
,"midpoint"
or"bottomleft"
). The default is the coordinate originc(0,0)
.
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.
Value
Another object of class "im"
representing the
rotated pixel image.
See Also
Examples
# NOT RUN {
Z <- distmap(letterR)
X <- rotate(Z)
# }
# NOT RUN {
plot(X)
# }
# NOT RUN {
Y <- rotate(X, centre="midpoint")
# }
Community examples
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