Extract Image Attribute aux_file

Methods that act on the aux_file field in the NIfTI/ANALYZE header.

aux_file(object)

# S4 method for nifti
aux_file(object)

# S4 method for anlz
aux_file(object)

aux_file(object) <- value

# S4 method for nifti
aux_file(object) <- value

# S4 method for anlz
aux_file(object) <- value

aux.file(object)

# S4 method for nifti
aux.file(object)

# S4 method for anlz
aux.file(object)

aux.file(object) <- value

# S4 method for nifti
aux.file(object) <- value

# S4 method for anlz
aux.file(object) <- value

# S4 method for niftiImage
aux_file(object)

# S4 method for niftiImage
aux_file(object) <- value

Arguments

object	is an object of class nifti or anlz.
value	is the value to assign to the aux_file field.

Details

See documentation on the ANALYZE and/or NIfTI data standards for more details.

References

ANALYZE 7.5
http://eeg.sourceforge.net/ANALYZE75.pdf
NIfTI-1
http://nifti.nimh.nih.gov/

Author

John Muschelli muschellij2@gmail.com,
Brandon Whitcher bwhitcher@gmail.com

Examples

if (FALSE) {
url <- "http://nifti.nimh.nih.gov/nifti-1/data/avg152T1_RL_nifti.nii.gz"
urlfile <- file.path(system.file("nifti", package="oro.nifti"),
                    "mniRL.nii.gz")
download.file(url, urlfile, quiet=TRUE)
}
options("niftiAuditTrail"=FALSE)

urlfile <- file.path(system.file("nifti", package="oro.nifti"),
                     "mniRL.nii.gz")
mniRL <- readNIfTI(urlfile)
aux.file(mniRL)
#> [1] "none                   "
aux.file(mniRL) <- "avg152T1_RL_nifti"
aux.file(mniRL)
#> [1] "avg152T1_RL_nifti"
file = system.file("extdata", "example.nii.gz", package = "RNifti")
img = RNifti::readNifti(file)
aux_file(img)
#> [1] ""
aux_file(img) = "hey"
stopifnot(aux_file(img) ==  "hey")