Public Attributes

int ndim
int nx
int ny
int nz
int nt
int nu
int nv
int nw
int dim [8]
size_t nvox
int nbyper
int datatype
float dx
float dy
float dz
float dt
float du
float dv
float dw
float pixdim [8]
float scl_slope
float scl_inter
float cal_min
float cal_max
int qform_code
int sform_code
int freq_dim
int phase_dim
int slice_dim
int slice_code
int slice_start
int slice_end
float slice_duration
float quatern_b
float quatern_c
float quatern_d
float qoffset_x
float qoffset_y
float qoffset_z
float qfac
mat44 qto_xyz
mat44 qto_ijk
mat44 sto_xyz
mat44 sto_ijk
float toffset
int xyz_units
int time_units
int nifti_type
int intent_code
float intent_p1
float intent_p2
float intent_p3
char intent_name [16]
char descrip [80]
char aux_file [24]
char * fname
char * iname
int iname_offset
int swapsize
int byteorder
void * data
int num_ext
nifti1_extension * ext_list
analyze_75_orient_code analyze75_orient

analyze_75_orient_code nifti_image::analyze75_orient for old analyze files, orient

char nifti_image::aux_file[24] auxiliary filename

int nifti_image::byteorder byte order on disk (MSB_ or LSB_FIRST)

float nifti_image::cal_max calibration parameter, maximum

float nifti_image::cal_min calibration parameter, minimum

void* nifti_image::data pointer to data: nbyper*nvox bytes

int nifti_image::datatype type of data in voxels: DT_* code

char nifti_image::descrip[80] optional text to describe dataset

int nifti_image::dim[8] dim[0]=ndim, dim[1]=nx, etc.

float nifti_image::dt grid spacings

float nifti_image::du grid spacings

float nifti_image::dv grid spacings

float nifti_image::dw grid spacings

float nifti_image::dx grid spacings

float nifti_image::dy grid spacings

float nifti_image::dz grid spacings

nifti1_extension* nifti_image::ext_list array of extension structs (with data)

char* nifti_image::fname header filename (.hdr or .nii)

int nifti_image::freq_dim indexes (1,2,3, or 0) for MRI

char* nifti_image::iname image filename (.img or .nii)

int nifti_image::iname_offset offset into iname where data starts

int nifti_image::intent_code statistic type (or something)

char nifti_image::intent_name[16] optional description of intent data

float nifti_image::intent_p1 intent parameters

float nifti_image::intent_p2 intent parameters

float nifti_image::intent_p3 intent parameters

int nifti_image::nbyper bytes per voxel, matches datatype

int nifti_image::ndim < Image storage struct last dimension greater than 1 (1..7)

int nifti_image::nifti_type 0==ANALYZE, 1==NIFTI-1 (1 file), 2==NIFTI-1 (2 files), 3==NIFTI-ASCII (1 file)

int nifti_image::nt dimensions of grid array

int nifti_image::nu dimensions of grid array

int nifti_image::num_ext number of extensions in ext_list

int nifti_image::nv dimensions of grid array

size_t nifti_image::nvox number of voxels = nx*ny*nz*...*nw

int nifti_image::nw dimensions of grid array

int nifti_image::nx dimensions of grid array

int nifti_image::ny dimensions of grid array

int nifti_image::nz dimensions of grid array

int nifti_image::phase_dim directions in dim[]/pixdim[]

float nifti_image::pixdim[8] pixdim[1]=dx, etc.

int nifti_image::qform_code codes for (x,y,z) space meaning

mat44 nifti_image::qto_ijk qform: transform (x,y,z) to (i,j,k)

mat44 nifti_image::qto_xyz qform: transform (i,j,k) to (x,y,z)

float nifti_image::quatern_b quaternion transform parameters [when writing a dataset, these are used for qform, NOT qto_xyz]

float nifti_image::scl_inter scaling parameter - intercept

float nifti_image::scl_slope scaling parameter - slope

int nifti_image::sform_code codes for (x,y,z) space meaning

int nifti_image::slice_code code for slice timing pattern

int nifti_image::slice_dim directions in dim[]/pixdim[]

float nifti_image::slice_duration time between individual slices

int nifti_image::slice_end index for end of slices

int nifti_image::slice_start index for start of slices

mat44 nifti_image::sto_ijk sform: transform (x,y,z) to (i,j,k)

mat44 nifti_image::sto_xyz sform: transform (i,j,k) to (x,y,z)

int nifti_image::swapsize swap unit in image data (might be 0)

int nifti_image::time_units dt units: NIFTI_UNITS_* code

float nifti_image::toffset time coordinate offset

int nifti_image::xyz_units dx,dy,dz units: NIFTI_UNITS_* code