This function calls fslhd to obtain a nifti header
fslhd(file, opts = "", verbose = TRUE, ...)(character) image filename or character of class nifti
(character) additional options to be passed to fslhd
(logical) print out command before running
options passed to checkimg
Character of information from fslhd
if (have.fsl()){
mnifile = file.path(fsldir(), "data", "standard",
"MNI152_T1_2mm.nii.gz")
fslhd(mnifile)
}
#> fslhd "/usr/local/fsl/data/standard/MNI152_T1_2mm.nii.gz"
#> [1] "filename\t/usr/local/fsl/data/standard/MNI152_T1_2mm.nii.gz"
#> [2] ""
#> [3] "sizeof_hdr\t348"
#> [4] "data_type\tINT16"
#> [5] "dim0\t\t3"
#> [6] "dim1\t\t91"
#> [7] "dim2\t\t109"
#> [8] "dim3\t\t91"
#> [9] "dim4\t\t1"
#> [10] "dim5\t\t1"
#> [11] "dim6\t\t1"
#> [12] "dim7\t\t1"
#> [13] "vox_units\tmm"
#> [14] "time_units\ts"
#> [15] "datatype\t4"
#> [16] "nbyper\t\t2"
#> [17] "bitpix\t\t16"
#> [18] "pixdim0\t\t-1.000000"
#> [19] "pixdim1\t\t2.000000"
#> [20] "pixdim2\t\t2.000000"
#> [21] "pixdim3\t\t2.000000"
#> [22] "pixdim4\t\t1.000000"
#> [23] "pixdim5\t\t0.000000"
#> [24] "pixdim6\t\t0.000000"
#> [25] "pixdim7\t\t0.000000"
#> [26] "vox_offset\t352"
#> [27] "cal_max\t\t8000.000000"
#> [28] "cal_min\t\t3000.000000"
#> [29] "scl_slope\t1.000000"
#> [30] "scl_inter\t0.000000"
#> [31] "phase_dim\t0"
#> [32] "freq_dim\t0"
#> [33] "slice_dim\t0"
#> [34] "slice_name\tUnknown"
#> [35] "slice_code\t0"
#> [36] "slice_start\t0"
#> [37] "slice_end\t0"
#> [38] "slice_duration\t0.000000"
#> [39] "toffset\t\t0.000000"
#> [40] "intent\t\tUnknown"
#> [41] "intent_code\t0"
#> [42] "intent_name\t"
#> [43] "intent_p1\t0.000000"
#> [44] "intent_p2\t0.000000"
#> [45] "intent_p3\t0.000000"
#> [46] "qform_name\tMNI_152"
#> [47] "qform_code\t4"
#> [48] "qto_xyz:1\t-2.000000 0.000000 -0.000000 90.000000 "
#> [49] "qto_xyz:2\t0.000000 2.000000 -0.000000 -126.000000 "
#> [50] "qto_xyz:3\t0.000000 0.000000 2.000000 -72.000000 "
#> [51] "qto_xyz:4\t0.000000 0.000000 0.000000 1.000000 "
#> [52] "qform_xorient\tRight-to-Left"
#> [53] "qform_yorient\tPosterior-to-Anterior"
#> [54] "qform_zorient\tInferior-to-Superior"
#> [55] "sform_name\tMNI_152"
#> [56] "sform_code\t4"
#> [57] "sto_xyz:1\t-2.000000 0.000000 0.000000 90.000000 "
#> [58] "sto_xyz:2\t0.000000 2.000000 0.000000 -126.000000 "
#> [59] "sto_xyz:3\t0.000000 0.000000 2.000000 -72.000000 "
#> [60] "sto_xyz:4\t0.000000 0.000000 0.000000 1.000000 "
#> [61] "sform_xorient\tRight-to-Left"
#> [62] "sform_yorient\tPosterior-to-Anterior"
#> [63] "sform_zorient\tInferior-to-Superior"
#> [64] "file_type\tNIFTI-1+"
#> [65] "file_code\t1"
#> [66] "descrip\t\tFSL5.0"
#> [67] "aux_file\t"