Extract Image Attribute srow_x — srow

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

srow_x(object)

# S4 method for nifti
srow_x(object)

srow_x(object) <- value

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

srow.x(object)

# S4 method for nifti
srow.x(object)

srow.x(object) <- value

# S4 method for nifti
srow.x(object) <- value

# S4 method for niftiImage
srow_x(object)

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

Arguments

object	is an object of class `nifti` or `anlz`.
value	is the value to assign to the `srow_x` 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)
srow_x(img)
#> [1]  -2.5000   0.0000   0.0000 122.0339
srow_x(img) = rep(0, 4)
stopifnot(srow_x(img) == rep(0, 4))

srow_y(img)
#> [1]   0.00000   2.50000   0.00000 -95.18523
srow_y(img) = rep(0, 4)
stopifnot(srow_y(img) == rep(0, 4))

srow_z(img)
#> [1]   0.00000   0.00000   2.50000 -55.03814
srow_z(img) = rep(0, 4)
stopifnot(srow_z(img) == rep(0, 4))