Thank you for your reply,
"3dinfo session1_raw.nii | grep extents" only output this:
++ 3dinfo: AFNI version=AFNI_16.0.19 (Mar 29 2016) [64-bit]
but "mri_info session1_raw.nii" output this:
Volume information for session1_raw.nii
type: nii
dimensions: 128 x 128 x 24 x 240
voxel sizes: 1.7969, 1.7969, 4.0000
type: FLOAT (3)
fov: 230.000
dof: 0
xstart: -115.0, xend: 115.0
ystart: -115.0, yend: 115.0
zstart: -48.0, zend: 48.0
TR: 2000.00 msec, TE: 0.00 msec, TI: 0.00 msec, flip angle: 0.00 degrees
nframes: 240
PhEncDir: UNKNOWN
ras xform present
xform info: x_r = -0.9989, y_r = 0.0385, z_r = -0.0251, c_r = 6.0954
: x_a = -0.0369, y_a = -0.9974, z_a = -0.0625, c_a = 12.6415
: x_s = -0.0274, y_s = -0.0615, z_s = 0.9977, c_s = 34.1263
Orientation : LPS
Primary Slice Direction: axial
voxel to ras transform:
-1.7950 0.0692 -0.1002 117.7461
-0.0663 -1.7921 -0.2501 134.5827
-0.0492 -0.1106 3.9909 -3.5364
0.0000 0.0000 0.0000 1.0000
voxel-to-ras determinant 12.915
ras to voxel transform:
-0.5559 -0.0205 -0.0152 68.1686
0.0214 -0.5551 -0.0342 72.0548
-0.0063 -0.0156 0.2494 3.7236
0.0000 0.0000 0.0000 1.0000
