applyEmptyImageDimensions-methods | R Documentation |
Simple wrapper for subsetting an image with indices, dropping empty dimensions.
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'nifti'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'character'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'factor'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'list'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'array'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'anlz'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
## S4 method for signature 'ANY'
applyEmptyImageDimensions(img, inds, reorient = FALSE, ...)
apply_empty_dim(img, ...)
img |
image, nifti object, or array |
inds |
indices of subset from |
reorient |
Should image be reoriented if a filename? |
... |
not used |
Object of class nifti
or array
if nifti
is not supplied
apply_empty_dim
is a shorthand for
applyEmptyImageDimensions
with all the same arguments.
getEmptyImageDimensions
,
dropEmptyImageDimensions
set.seed(5)
dims = rep(10, 3)
arr = array(rnorm(prod(dims)), dim = dims)
arr[,,10] = 0
nim = oro.nifti::nifti(arr)
inds = getEmptyImageDimensions(nim)
inds_arr = getEmptyImageDimensions(arr)
testthat::expect_equal(inds, inds_arr)
out = applyEmptyImageDimensions(nim, inds = inds)
out_arr = applyEmptyImageDimensions(arr, inds = inds)
testthat::expect_equal(out_arr, array(out, dim = dim(out)))
out = apply_empty_dim(nim, inds = inds)
set.seed(5)
dims = rep(10, 3)
arr = array(rnorm(prod(dims)), dim = dims)
arr[,,10] = 0
nim = oro.nifti::nifti(arr)
inds = getEmptyImageDimensions(nim)
rnifti = RNifti::asNifti(nim)
timg = tempimg(nim)
limg = list(factor(timg), factor(timg))
apply_empty_dim(nim, inds = inds)
func = function(...) applyEmptyImageDimensions(..., inds = inds)
func(arr)
func(nim)
func(rnifti)
func(timg)
func(limg)
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