| /* |
| * |
| * (c) Copyright, 1986-1991 |
| * Biodynamics Research Unit |
| * Mayo Foundation |
| * |
| * dbh.h |
| * |
| * |
| * database sub-definitions |
| */ |
| |
| /* |
| * |
| * The previous-generation header for Analyze images. Although (c) Mayo |
| * Foundation, it has been in the public domain for many years. |
| * |
| * Analyze images have a 348 byte header stored in a file with a .hdr suffix, |
| * and a corresponding .img file containing just the pixel data. |
| * |
| */ |
| |
| struct header_key /* header_key */ |
| { /* off + size*/ |
| int sizeof_hdr; /* 0 + 4 */ |
| char data_type[10]; /* 4 + 10 */ |
| char db_name[18]; /* 14 + 18 */ |
| int extents; /* 32 + 4 */ |
| short int session_error; /* 36 + 2 */ |
| char regular; /* 38 + 1 */ |
| char hkey_un0; /* 39 + 1 */ |
| }; /* total=40 */ |
| |
| struct image_dimension /* image_dimension */ |
| { /* off + size*/ |
| short int dim[8]; /* 0 + 16 */ |
| char vox_units[4]; /* 16 + 4 */ |
| char cal_units[8]; /* 20 + 4 */ |
| short int unused1; /* 24 + 2 */ |
| short int datatype; /* 30 + 2 */ |
| short int bitpix; /* 32 + 2 */ |
| short int dim_un0; /* 34 + 2 */ |
| float pixdim[8]; /* 36 + 32 */ |
| |
| /* pixdim[] specifies the voxel dimensions: |
| pixdim[1] - voxel width |
| pixdim[2] - voxel height |
| pixdim[3] - interslice distance |
| ..etc |
| */ |
| float vox_offset; /* 68 + 4 */ |
| float funused1; /* 72 + 4 */ |
| float funused2; /* 76 + 4 */ |
| float funused3; /* 80 + 4 */ |
| float cal_max; /* 84 + 4 */ |
| float cal_min; /* 88 + 4 */ |
| int compressed; /* 92 + 4 */ |
| int verified; /* 96 + 4 */ |
| int glmax, glmin; /* 100 + 8 */ |
| }; |
| |
| struct data_history /* data_history */ |
| { /* off + size*/ |
| char descrip[80]; /* 0 + 80 */ |
| char aux_file[24]; /* 80 + 24 */ |
| char orient; /* 104 + 1 */ |
| char originator[10]; /* 105 + 10 */ |
| char generated[10]; /* 115 + 10 */ |
| char scannum[10]; /* 125 + 10 */ |
| char patient_id[10]; /* 135 + 10 */ |
| char exp_date[10]; /* 145 + 10 */ |
| char exp_time[10]; /* 155 + 10 */ |
| char hist_un0[3]; /* 165 + 3 */ |
| int views; /* 168 + 4 */ |
| int vols_added; /* 172 + 4 */ |
| int start_field; /* 176 + 4 */ |
| int field_skip; /* 180 + 4 */ |
| int omax,omin; /* 184 + 8 */ |
| int smax,smin; /* 192 + 8 */ |
| }; /* total=200 */ |
| |
| struct dsr /* dsr */ |
| { /* off + size*/ |
| struct header_key hk; /* 0 + 40 */ |
| struct image_dimension dime; /* 40 + 108 */ |
| struct data_history hist; /* 148 + 200 */ |
| }; /* total=348 */ |
| |
| /* Acceptable values for hdr.dime.datatype */ |
| #define DT_UNKNOWN 0 |
| #define DT_BINARY 1 |
| #define DT_UNSIGNED_CHAR 2 |
| #define DT_SIGNED_SHORT 4 |
| #define DT_SIGNED_INT 8 |
| #define DT_FLOAT 16 |
| #define DT_COMPLEX 32 |
| #define DT_DOUBLE 64 |
| #define DT_RGB 128 |
