Extract Image Attribute pixdim

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

pixdim(object)

# S4 method for nifti
pixdim(object)

# S4 method for ANY
pixdim(object)

# S4 method for anlz
pixdim(object)

pixdim(object) <- value

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

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

# S4 method for ANY
pixdim(object) <- value

Arguments

object	is an object of class nifti or anlz.
value	is the value to assign to the pixdim 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_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)
pixdim(mniLR)
#> [1] 0 2 2 2 1 1 1 1