Extract Image Attribute xyzt_units — xyzt

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

xyzt_units(object)

# S4 method for nifti
xyzt_units(object)

xyzt_units(object) <- value

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

xyzt.units(object)

# S4 method for nifti
xyzt.units(object)

xyzt.units(object) <- value

# S4 method for nifti
xyzt.units(object) <- value

# S4 method for niftiImage
xyzt_units(object)

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

Arguments

object	is an object of class `nifti` or `anlz`.
value	is the value to assign to the `xyzt_units` 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

file = system.file("extdata", "example.nii.gz", package = "RNifti")
img = RNifti::readNifti(file)
xyzt_units(img)
#> [1] 10
xyzt_units(img) = 8
stopifnot(xyzt_units(img) ==  8)