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Rotate an image by 90, 180, 270 degrees
rotateFixed(image, angle)
depending on the input, either a matrix or an array
matrix, data frame or 3-dimensional array where the third dimension is equal to 3
one of 90, 180 and 270 degrees
This function is faster than the rotateImage function as it rotates an image for specific angles (90, 180 or 270 degrees).
path = system.file("tmp_images", "3.jpeg", package = "OpenImageR") image = readImage(path) r = rotateFixed(image, 90)
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