Extract NIfTI 3D Image Orientation

Methods that act on the “qform” and “sform” information in the NIfTI header.

sform(object)

# S4 method for nifti
sform(object)

qform(object)

# S4 method for nifti
qform(object)

Arguments

object	is an object of class nifti.

Methods

object = "nifti"

Extract or replace NIfTI description.

Author

Brandon Whitcher bwhitcher@gmail.com

Examples

if (FALSE) {
url <- "http://nifti.nimh.nih.gov/nifti-1/data/avg152T1_LR_nifti.nii.gz"
urlfile <- file.path(system.file("nifti", package="oro.nifti"),
                     "mniLR.nii.gz")
download.file(url, urlfile, quiet=TRUE)
}
urlfile <- file.path(system.file("nifti", package="oro.nifti"),
                     "mniLR.nii.gz")
mniLR <- readNIfTI(urlfile)
sform(mniLR)
#>      [,1] [,2] [,3] [,4]
#> [1,]   -2    0    0   90
#> [2,]    0    2    0 -126
#> [3,]    0    0    2  -72