Matt,
Yes. Below is the header of FA.
Anastasia
<nifti_image
nifti_type = 'NIFTI-1'
image_offset = '0'
ndim = '3'
nx = '256'
ny = '256'
nz = '54'
dx = '0.9375'
dy = '0.9375'
dz = '2.4'
datatype = '16'
nbyper = '4'
byteorder = 'LSB_FIRST'
scl_slope = '1'
scl_inter = '0'
xyz_units = '2'
time_units = '8'
descrip = 'FSL4.0'
qform_code = '1'
quatern_b = '0'
quatern_c = '1'
quatern_d = '0'
qoffset_x = '120.987'
qoffset_y = '-96.6315'
qoffset_z = '-54.9122'
qfac = '-1'
sform_code = '1'
sto_xyz_matrix = '-0.9375 0 0 120.987 0 0.9375 0 -96.6315 0 0 2.4 -54.9122
0 0 0 1'
num_ext = '0'
# Many fields require codes to be set (e.g. sform_code, qform_code, intent_code)
# Valid values are:
# sform_code (or qform) :- 0=UNKNOWN, 1=SCANNER_ANAT, 2=ALIGNED_ANAT,
3=TALAIRACH, 4=MNI_152
# xyz_units :- 1=METER, 2=MM, 3=MICRON
# t_units :- 8=SEC, 16=MSEC, 24=USEC, 32=HZ, 40=PPM, 48=RADS
# intent_code :- 0=NONE, 2=CORRELATION, 3=TTEST, 4=FTEST, 5=ZSCORE,
6=CHISQ, ...
# 22=PVAL, 23=LOGPVAL, 24=LOG10PVAL, 1001=ESTIMATE,
1002=LABEL (incl masks)
# Other codes can be found in the
/usr/local/fsl-4.0.4/src/niftiio/nifti1.h file
/>
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