window_img | R Documentation |
Windows an image to min and max values and also changes cal_max and cal_min parameters
window_img(
x,
window = c(0, 100),
replace = c("window", "missing", "zero"),
...
)
x |
is either a character name for the image or an object of class nifti |
window |
numeric of length 2 that gives min and max for window |
replace |
either "window" if the any values outside of c(min, max) are set to the min or max or "missing" for these to be set to NA |
... |
not used |
Object of class nifti
readnii
set.seed(5)
dims = rep(10, 3)
arr = array(rnorm(prod(dims)), dim = dims)
nim = oro.nifti::nifti(arr)
window_img(nim, window = c(1, 5))
window_img(nim, window = c(1, 5), replace = "missing")
tfile = tempimg(nim)
window_img(tfile)
window_img(as.factor(tfile))
arr = window_img(img_data(nim))
rnim = RNifti::readNifti(tfile)
window_img(rnim, window = c(1, 5))
range(window_img(rnim, window = c(1, 5)))
window_img(rnim, window = c(1, 5), replace = "missing")
range(window_img(rnim, window = c(1, 5), replace = "missing"))
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