double daxes_obliquity_angle_diff(THD_dataxes *ax1, THD_dataxes *ax2, 
                                  double tol) 
{
   double angle, rangle;
   if (!ax1 || !ax2) return(0.0);
   angle = THD_compute_oblique_angle(ax1->ijk_to_dicom_real, 0);
   rangle = THD_compute_oblique_angle(ax2->ijk_to_dicom_real, 0);
   rangle = angle-rangle; 
   if (rangle < 0.0) rangle = -rangle;
   if (rangle < tol) rangle = 0.0;
   return(rangle);
}
int dset_obliquity(THD_3dim_dataset *dset , float *anglep)
{
   int obliquity = -1;
   float angle= 0.0f;
      
   if(ISVALID_MAT44(dset->daxes->ijk_to_dicom_real)) {
      angle = THD_compute_oblique_angle(dset->daxes->ijk_to_dicom_real, 0);
      if(angle>0.0) {
         obliquity = 1;
      } else {
         obliquity = 0;
      }
   }
   if (anglep) *anglep = angle;
   return(obliquity);
}
Esempio n. 3
0
void THD_set_dataset_attributes( THD_3dim_dataset *dset )
{
   THD_datablock *blk ;
   THD_dataxes   *daxes ;
   THD_diskptr   *dkptr ;

   int itemp[IFILL_DIM] , ii ;
   float ftemp[FFILL_DIM] ;

   int id , nx , ny , nz , nv , nxy , nxyz , ibr , nb ;
   int atrank[ATRSIZE_DATASET_RANK] , atdims[ATRSIZE_DATASET_DIMENSIONS] ;
   MRI_IMAGE *im ;
   int save_order ;
   THD_dmat33 tmat ;
   THD_dfvec3 tvec ;
   mat44 Tc, Tr;
   float angle;
   char name[666] ; floatvec *fv ;

ENTRY("THD_set_dataset_attributes") ;

   /*-- sanity checks --*/

   if( ! ISVALID_3DIM_DATASET(dset)    ||
       ! ISVALID_DATABLOCK(dset->dblk) ||
       ! ISVALID_DISKPTR(dset->dblk->diskptr) ) EXRETURN ;

   blk = dset->dblk ; daxes = dset->daxes ;  /* always used fixed daxes */
   dkptr = blk->diskptr ;

   /******/
   /****** These attributes used to be set in THD_write_3dim_dataset() *****/
   /******/

   /*----- write TYPESTRING attribute -----*/

   THD_set_string_atr( blk , ATRNAME_TYPESTRING ,
                       DATASET_typestr[dset->type] ) ;

   /*----- write IDCODE attributes -----*/

   THD_set_string_atr( blk , ATRNAME_IDSTRING , dset->idcode.str ) ;
   THD_set_string_atr( blk , ATRNAME_IDDATE   , dset->idcode.date ) ;

   if( ! ISZERO_IDCODE(dset->anat_parent_idcode) )
     THD_set_string_atr( blk, ATRNAME_IDANATPAR, dset->anat_parent_idcode.str );
   else
     THD_erase_one_atr ( blk, ATRNAME_IDANATPAR ) ;

   if( ! ISZERO_IDCODE(dset->warp_parent_idcode) )
     THD_set_string_atr( blk, ATRNAME_IDWARPPAR, dset->warp_parent_idcode.str );
   else
     THD_erase_one_atr ( blk, ATRNAME_IDWARPPAR ) ;

   /*----- write SCENE_TYPE attribute -----*/

   itemp[0] = dset->view_type ;
   itemp[1] = dset->func_type ;
   itemp[2] = dset->type ;

   ITFILL(3,ATRSIZE_SCENE_TYPE) ;
   THD_set_int_atr( blk , ATRNAME_SCENE_TYPE ,
                          ATRSIZE_SCENE_TYPE , itemp ) ;

   /*----- write data labels -----*/

   if( strlen(dset->self_name) == 0 ) DSET_FIX_NAMES(dset) ;

   THD_set_string_atr( blk , ATRNAME_LABEL1   , dset->label1 ) ;
   THD_set_string_atr( blk , ATRNAME_LABEL2   , dset->label2 ) ;
   THD_set_string_atr( blk , ATRNAME_DATANAME , dset->self_name ) ;

   if( dset->keywords != NULL )
      THD_set_string_atr( blk , ATRNAME_KEYWORDS , dset->keywords ) ;
   else
      THD_erase_one_atr ( blk , ATRNAME_KEYWORDS ) ;

   /*----- write parent names, if they exist -----*/

   if( strlen(dset->warp_parent_name) > 0 )
      THD_set_string_atr( blk , ATRNAME_WARP_PARENT ,
                          dset->warp_parent_name ) ;
   else
      THD_erase_one_atr ( blk , ATRNAME_WARP_PARENT ) ;

   if( strlen(dset->anat_parent_name) > 0 )
      THD_set_string_atr( blk , ATRNAME_ANATOMY_PARENT ,
                          dset->anat_parent_name ) ;
   else
      THD_erase_one_atr ( blk , ATRNAME_ANATOMY_PARENT ) ;

   /*----- write axes orientation -----*/

   itemp[0] = daxes->xxorient ;
   itemp[1] = daxes->yyorient ;
   itemp[2] = daxes->zzorient ;

   ITFILL(3,ATRSIZE_ORIENT_SPECIFIC) ;
   THD_set_int_atr( blk , ATRNAME_ORIENT_SPECIFIC ,
                          ATRSIZE_ORIENT_SPECIFIC , itemp ) ;

   /*----- write axes origin -----*/

   ftemp[0] = daxes->xxorg ;
   ftemp[1] = daxes->yyorg ;
   ftemp[2] = daxes->zzorg ;

   FTFILL(3,ATRSIZE_ORIGIN) ;
   THD_set_float_atr( blk , ATRNAME_ORIGIN ,
                            ATRSIZE_ORIGIN , ftemp ) ;

   /*----- write axes spacings -----*/

   ftemp[0] = daxes->xxdel ;
   ftemp[1] = daxes->yydel ;
   ftemp[2] = daxes->zzdel ;

   FTFILL(3,ATRSIZE_DELTA) ;
   THD_set_float_atr( blk , ATRNAME_DELTA ,
                            ATRSIZE_DELTA , ftemp ) ;

   /*-- write matrix for (i,j,k) to DICOM (x,y,z) conversion [15 Dec 2005] --*/

   if( !ISVALID_MAT44(daxes->ijk_to_dicom) ) THD_daxes_to_mat44( daxes ) ;

   if( ISVALID_MAT44(daxes->ijk_to_dicom) ){
     UNLOAD_MAT44(daxes->ijk_to_dicom, ftemp[0],ftemp[1],ftemp[2],ftemp[3],
                                       ftemp[4],ftemp[5],ftemp[6],ftemp[7],
                                       ftemp[8],ftemp[9],ftemp[10],ftemp[11] );
     THD_set_float_atr( blk , "IJK_TO_DICOM" , 12 , ftemp ) ;
   }

   /*-- write matrix for (i,j,k) to DICOM real (x,y,z) conversion [18 May 2007] --*/
   /* to store obliquity information */
   if(!THD_update_obliquity_status()){ /* maybe update the obliquity unless refitting */
      THD_check_oblique_field(dset);

      if (ISVALID_MAT44(dset->daxes->ijk_to_dicom_real)){
           /* if not oblique already,compute Tc (Cardinal transformation matrix) */
           angle = THD_compute_oblique_angle(daxes->ijk_to_dicom_real, 0);

           if(angle==0.0){
              THD_dicom_card_xform(dset, &tmat, &tvec);
              LOAD_MAT44(Tc,
                  tmat.mat[0][0], tmat.mat[0][1], tmat.mat[0][2], tvec.xyz[0],
                  tmat.mat[1][0], tmat.mat[1][1], tmat.mat[1][2], tvec.xyz[1],
                  tmat.mat[2][0], tmat.mat[2][1], tmat.mat[2][2], tvec.xyz[2]);
              daxes->ijk_to_dicom_real = Tc;
           }
      }
   }
   
   if( ISVALID_MAT44(daxes->ijk_to_dicom_real) ){
     UNLOAD_MAT44(daxes->ijk_to_dicom_real, ftemp[0],ftemp[1],ftemp[2],ftemp[3],
                                       ftemp[4],ftemp[5],ftemp[6],ftemp[7],
                                       ftemp[8],ftemp[9],ftemp[10],ftemp[11] );
     THD_set_float_atr( blk , "IJK_TO_DICOM_REAL" , 12 , ftemp ) ;
   }


   /*----- write markers, if present -----*/

   if( dset->markers != NULL ){

      for( ii=0 ; ii < MARKS_MAXNUM ; ii++ ){   /* put bad data in */
         if( !dset->markers->valid[ii] )        /* invalid markers */
            dset->markers->xyz[ii][0] =
            dset->markers->xyz[ii][1] =
            dset->markers->xyz[ii][2] = FFILL ;
      }

      THD_set_float_atr( blk , ATRNAME_MARKSXYZ ,
                               ATRSIZE_MARKSXYZ ,
                               &(dset->markers->xyz[0][0]) ) ;

      THD_set_char_atr( blk , ATRNAME_MARKSLAB ,
                              ATRSIZE_MARKSLAB ,
                              &(dset->markers->label[0][0]) ) ;

      THD_set_char_atr( blk , ATRNAME_MARKSHELP ,
                              ATRSIZE_MARKSHELP ,
                              &(dset->markers->help[0][0]) ) ;

      THD_set_int_atr( blk , ATRNAME_MARKSFLAG ,
                             ATRSIZE_MARKSFLAG ,
                             &(dset->markers->aflags[0]) ) ;
   } else {
      THD_erase_one_atr( blk , ATRNAME_MARKSXYZ  ) ;
      THD_erase_one_atr( blk , ATRNAME_MARKSLAB  ) ;
      THD_erase_one_atr( blk , ATRNAME_MARKSHELP ) ;
      THD_erase_one_atr( blk , ATRNAME_MARKSFLAG ) ;
   }

   /*----- write warp, if present -----*/

   if( dset->warp != NULL ){
      int wdata_size = 0 ;

      switch( dset->warp->type ){

         case WARP_AFFINE_TYPE:{
            THD_affine_warp *ww = (THD_affine_warp *) dset->warp ;
            itemp[0] = WARP_AFFINE_TYPE ;
            itemp[1] = ww->resam_type ;

            wdata_size = MAPPING_LINEAR_FSIZE ;
            COPY_FROM_STRUCT( ww->warp ,
                              MAPPING_LINEAR_FSTART ,
                              float ,
                              ftemp ,
                              MAPPING_LINEAR_FSIZE ) ;
         }
         break ;

         case WARP_TALAIRACH_12_TYPE:{
            THD_talairach_12_warp *ww =
               (THD_talairach_12_warp *) dset->warp ;
            int iw , ioff ;

            itemp[0] = WARP_TALAIRACH_12_TYPE ;
            itemp[1] = ww->resam_type ;

            wdata_size = WARP_TALAIRACH_12_SIZE ;

            for( iw=0 ; iw < 12 ; iw++ ){
               ioff = iw * MAPPING_LINEAR_FSIZE ;

               COPY_FROM_STRUCT( ww->warp[iw] ,
                                 MAPPING_LINEAR_FSTART ,
                                 float ,
                                 &(ftemp[ioff]) ,
                                 MAPPING_LINEAR_FSIZE ) ;
            }
         }
         break ;
      } /* end of switch on warp type */

      ITFILL(2,ATRSIZE_WARP_TYPE) ;
      THD_set_int_atr( blk , ATRNAME_WARP_TYPE ,
                             ATRSIZE_WARP_TYPE , itemp ) ;

      THD_set_float_atr( blk , ATRNAME_WARP_DATA ,
                               wdata_size , ftemp ) ;

   } else {  /* no warp exists */
Esempio n. 4
0
int main( int argc , char *argv[] )
{
   THD_3dim_dataset *dset=NULL;
   int iarg , verbose = -1 ;
   char *outbuf, *stmp=NULL;
   char *labelName = NULL;
   char *sbdelim = {"|"};
   char *NAflag = {"NA"};
   char *atrdelim = {"\t"}, *form=NULL;
   INFO_FIELDS sing[512];
   int iis=0, N_sing = 0, isb=0, withhead = 0, itmp=0;
   int ip=0, needpair = 0, namelen=0, monog_pairs = 0;
   THD_3dim_dataset *tttdset=NULL, *dsetp=NULL;
   char *tempstr = NULL;
   int extinit = 0;
   float RL_AP_IS[6];

   mainENTRY("3dinfo main") ; machdep() ;

   if( argc < 2) { Syntax(TXT,1) ; RETURN(0); }

   iarg = 1 ;
   while (iarg < argc && argv[iarg][0] == '-') {
      CHECK_HELP(argv[iarg],Syntax);
           if( strncmp(argv[iarg],"-verb" ,5) == 0 ){
            verbose =  0; iarg++; continue; }
      else if( strncmp(argv[iarg],"-VERB" ,5) == 0 ){
            verbose =  1; iarg++; continue; }
      else if( strncmp(argv[iarg],"-short",5) == 0 ){
            verbose = -1; iarg++; continue; }
      else if( strcasecmp(argv[iarg],"-header_line") == 0 ||
               strcasecmp(argv[iarg],"-hdr") == 0 ){
            withhead = 1; iarg++; continue; }
      else if( strcasecmp(argv[iarg],"-monog_pairs") == 0 ){
            monog_pairs = 1; iarg++; continue; }
      else if ( strncmp(argv[iarg],"-label2",7) == 0 )
      {
        iarg++;
        if (iarg >= argc)
           ERROR_exit( "3dinfo needs an argument after -label2number\n");
        labelName = malloc(sizeof(char) * 2048);
        strcpy(labelName, argv[iarg]);
        iarg++; continue;
      }
      else if( strcasecmp(argv[iarg],"-sb_delim") == 0) {
         iarg++;
         if (iarg >= argc)
           ERROR_exit( "3dinfo needs a string after -sb_delim\n");
         sbdelim = argv[iarg];
         iarg++; continue;
      }
      else if( strcasecmp(argv[iarg],"-NA_flag") == 0) {
         iarg++;
         if (iarg >= argc)
           ERROR_exit( "3dinfo needs a string after -NA_flag\n");
         NAflag = argv[iarg];
         iarg++; continue;
      }
      else if( strcasecmp(argv[iarg],"-atr_delim") == 0) {
         iarg++;
         if (iarg >= argc)
           ERROR_exit( "3dinfo needs a string after -atr_delim\n");
         atrdelim = argv[iarg];
         iarg++; continue;
      }
      else if( strcasecmp(argv[iarg],"-space") == 0) {
         sing[N_sing++] = DSET_SPACE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-av_space") == 0) {
         sing[N_sing++] = AV_DSET_SPACE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-gen_space") == 0) {
         sing[N_sing++] = DSET_GEN_SPACE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-is_nifti") == 0) {
         sing[N_sing++] = IS_NIFTI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-is_atlas") == 0) {
         sing[N_sing++] = IS_ATLAS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-exists") == 0) {
         sing[N_sing++] = DSET_EXISTS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-is_oblique") == 0) {
         sing[N_sing++] = IS_OBLIQUE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-obliquity") == 0) {
         sing[N_sing++] = OBLIQUITY; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-handedness") == 0) {
         sing[N_sing++] = HANDEDNESS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-prefix") == 0) {
         sing[N_sing++] = PREFIX; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-prefix_noext") == 0) {
         sing[N_sing++] = PREFIX_NOEXT; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-ni") == 0) {
         sing[N_sing++] = NI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nj") == 0) {
         sing[N_sing++] = NJ; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nk") == 0) {
         sing[N_sing++] = NK; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-n4") == 0) {
         sing[N_sing++] = NI;
         sing[N_sing++] = NJ;
         sing[N_sing++] = NK;
         sing[N_sing++] = NV; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-Rextent") == 0) {
         sing[N_sing++] = EXTENT_R; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-Lextent") == 0) {
         sing[N_sing++] = EXTENT_L; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-Aextent") == 0) {
         sing[N_sing++] = EXTENT_A; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-Pextent") == 0) {
         sing[N_sing++] = EXTENT_P; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-Iextent") == 0) {
         sing[N_sing++] = EXTENT_I; iarg++;
         continue;
      }  else if( strcasecmp(argv[iarg],"-Sextent") == 0) {
         sing[N_sing++] = EXTENT_S; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-extent") == 0) {
         sing[N_sing++] = EXTENT_R;
         sing[N_sing++] = EXTENT_L;
         sing[N_sing++] = EXTENT_A;
         sing[N_sing++] = EXTENT_P;
         sing[N_sing++] = EXTENT_I;
         sing[N_sing++] = EXTENT_S;
         iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-di") == 0) {
         sing[N_sing++] = DI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dj") == 0) {
         sing[N_sing++] = DJ; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dk") == 0) {
         sing[N_sing++] = DK; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-d3") == 0) {
         sing[N_sing++] = DI;
         sing[N_sing++] = DJ;
         sing[N_sing++] = DK; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-adi") == 0) {
         sing[N_sing++] = ADI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-adj") == 0) {
         sing[N_sing++] = ADJ; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-adk") == 0) {
         sing[N_sing++] = ADK; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-ad3") == 0) {
         sing[N_sing++] = ADI;
         sing[N_sing++] = ADJ;
         sing[N_sing++] = ADK; iarg++;
         continue;
      } else if( strcasecmp(argv[iarg],"-voxvol") == 0) {
         sing[N_sing++] = VOXVOL; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-iname") == 0) {
         sing[N_sing++] = INAME; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-oi") == 0) {
         sing[N_sing++] = OI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-oj") == 0) {
         sing[N_sing++] = OJ; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-ok") == 0) {
         sing[N_sing++] = OK; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-o3") == 0) {
         sing[N_sing++] = OI;
         sing[N_sing++] = OJ;
         sing[N_sing++] = OK; iarg++;
         continue;
      }else if( strcasecmp(argv[iarg],"-nt") == 0) {
         sing[N_sing++] = NT; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nti") == 0) {
         sing[N_sing++] = NTI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nv") == 0) {
         sing[N_sing++] = NV; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nvi") == 0) {
         sing[N_sing++] = NVI; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-ntimes") == 0) {
         sing[N_sing++] = NTIMES; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-max_node") == 0) {
         sing[N_sing++] = MAX_NODE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-nijk") == 0) {
         sing[N_sing++] = NIJK; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-labeltable") == 0) {
         sing[N_sing++] = LTABLE; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-labeltable_as_atlas_points") == 0) {
         sing[N_sing++] = LTABLE_AS_ATLAS_POINT_LIST; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-atlas_points") == 0) {
         sing[N_sing++] = ATLAS_POINTS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-fac") == 0) {
         sing[N_sing++] = FAC; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-datum") == 0) {
         sing[N_sing++] = DATUM; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-label") == 0) {
         sing[N_sing++] = LABEL; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-min") == 0) {
         sing[N_sing++] = MIN; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-max") == 0) {
         sing[N_sing++] = MAX; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-minus") == 0) {
         sing[N_sing++] = MINUS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-maxus") == 0) {
         sing[N_sing++] = MAXUS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dmin") == 0) {
         sing[N_sing++] = DMIN; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dmax") == 0) {
         sing[N_sing++] = DMAX; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dminus") == 0) {
         sing[N_sing++] = DMINUS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-dmaxus") == 0) {
         sing[N_sing++] = DMAXUS; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-TR") == 0) {
         sing[N_sing++] = TR; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-header_name") == 0) {
         sing[N_sing++] = HEADER_NAME; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-brick_name") == 0) {
         sing[N_sing++] = BRICK_NAME; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-history") == 0) {
         sing[N_sing++] = HISTORY; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-all_names") == 0) {
         sing[N_sing++] = ALL_NAMES; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-orient") == 0) {
         sing[N_sing++] = ORIENT; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_grid") == 0) {
         sing[N_sing++] = SAME_GRID; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_dim") == 0) {
         sing[N_sing++] = SAME_DIM; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_delta") == 0) {
         sing[N_sing++] = SAME_DELTA; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_orient") == 0) {
         sing[N_sing++] = SAME_ORIENT; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_center") == 0) {
         sing[N_sing++] = SAME_CENTER; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_obl") == 0) {
         sing[N_sing++] = SAME_OBL; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-slice_timing") == 0) {
         sing[N_sing++] = SLICE_TIMING; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-sval_diff") == 0) {
         sing[N_sing++] = SVAL_DIFF; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-val_diff") == 0) {
         sing[N_sing++] = VAL_DIFF; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-same_all_grid") == 0) {
         sing[N_sing++] = SAME_DIM;
         sing[N_sing++] = SAME_DELTA;
         sing[N_sing++] = SAME_ORIENT;
         sing[N_sing++] = SAME_CENTER;
         sing[N_sing++] = SAME_OBL; needpair = 1; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-id") == 0) {
         sing[N_sing++] = ID; iarg++; continue;
      } else if( strcasecmp(argv[iarg],"-smode") == 0) {
         sing[N_sing++] = SMODE; iarg++; continue;
      } else {
         ERROR_message("Option %s unknown", argv[iarg]);
         suggest_best_prog_option(argv[0], argv[iarg]);
         exit(1);
      }
   }

   if (N_sing == 0) {
      sing[N_sing++] = CLASSIC;
   }

   if (sing[iis] == CLASSIC) PRINT_VERSION("3dinfo") ;

   THD_allow_empty_dataset(1) ;  /* 21 Mar 2007 */

   if (iarg == argc) {
      ERROR_message("No dsets on command line? I have nothing to do.\n");
      exit(1);
   }

   if (needpair && monog_pairs) needpair = 2; /* pair each couple separately */

   if (needpair==2 && (argc-iarg) % 2) {
      ERROR_message("Using options requiring dset pairs but have odd number\n"
                    "of dsets (%d) on command line.\n", (argc-iarg));
      exit (1);
   } else if (needpair==1 && (argc-iarg) < 2) {
      ERROR_message("Using options requiring dset pairs but have less than\n"
                    "two dsets (%d) on command line.\n", (argc-iarg));
      exit (1);
   }

   ip = 0;
   for( ; iarg < argc ; iarg++ ){
      if (ip == 0) {
         int kkk, nml; char *etr;
         namelen = 0;
         for (kkk=iarg; kkk<argc; ++kkk) {
            if ((etr = THD_trailname(argv[kkk],0))) {
               nml=strlen(etr);
               if (nml < 48 && nml > namelen) namelen = nml;
            }
         }
         if (namelen < 6) namelen = 6;
         if (withhead) {
            int havenew=0;
            for (iis = 0; iis < N_sing; ++iis) {
               if (sing[iis] != CLASSIC) {
                  ++havenew;
                  form = PrintForm(sing[iis], namelen, 1);
                  /*fprintf(stderr,"ZSS: %d %s >%s<\n",
                           sing[iis], Field_Names[sing[iis]], form);*/

                  fprintf(stdout, form, Field_Names[sing[iis]]);
               }
               if (havenew) {
                  if (N_sing > 1 && iis < N_sing-1)
                           fprintf(stdout,"%s",atrdelim);
                  else fprintf(stdout,"\n");
               }
            }
         }
      }
     if( argv[iarg][0] == '\0' ) continue ;  /* bad filename */

     set_obliquity_report(0); /* silence obliquity */

     if (!needpair) {
      if (!(dset = load_3dinfo_dataset(argv[iarg]))) {
        /* exit(1); */
      }
     } else {
      if (needpair == 2) { /* Crazy idea of comparing each pair separately */
         if (ip % 2 == 0) {
            if (!(dset = load_3dinfo_dataset(argv[iarg] ))) {
               /* exit(1); */
            }
            if (iarg+1==argc || argv[iarg+1][0] == '\0') {
               ERROR_message("Bad dset pair for %s\n", argv[iarg]);
               exit(1);
            }
            if (!(dsetp = load_3dinfo_dataset(argv[iarg+1] ))) {
               /* exit(1); */
            }
         } else { /* swap the pair - this allows non pair requiring functions
                     to work as before.*/
            tttdset = dsetp;
            dsetp = dset;
            dset = tttdset; tttdset=NULL;
         }
      } else { /* always compare to very first dset */
         if (ip==0) {
            if (!(dset = load_3dinfo_dataset(argv[iarg] ))) {
               /*exit(1);*/
            }
            if (!(dsetp = load_3dinfo_dataset(argv[iarg+1] ))) {
               /*exit(1);*/
            }
         } else if (ip==1) { /* switch order of first two */
            tttdset = dsetp;
            dsetp = dset; /* now dsetp is the very first dset */
            dset = tttdset; tttdset=NULL;
         } else { /* pair with very first, which is dsetp */
            if (!(dset = load_3dinfo_dataset(argv[iarg] ))) {
               /*exit(1);*/
            }
         }
      }
     }
     ++ip;

     if (0 && !dset) { /* allow for DSET_EXISTS option */
         ERROR_exit("Should not get here");
     }

     /* we should re-capture this per dataset   5 Feb 2019 [rickr] */
     extinit = 0;

     for (iis = 0; iis < N_sing; ++iis) {
        if (!dset) {
         if (sing[iis] == CLASSIC) {
            if( dset == NULL ){  /* still not open? */
               ERROR_exit("Can't open dataset %s\n", argv[iarg]) ;
            }
         } else if (sing[iis] != DSET_EXISTS && sing[iis] != INAME) {
            fprintf(stdout, "NO-DSET");
            SPIT_DELIM(iis, N_sing, atrdelim);
            continue;
         }
        }
        switch (sing[iis]) {
         case CLASSIC:
            if (labelName == NULL )  /*** get and output info ***/
            {
             outbuf = THD_dataset_info( dset , verbose ) ;
             if( outbuf != NULL ){
               printf("\n") ;
               puts(outbuf) ;
               free(outbuf) ; outbuf = NULL ;
             } else {
               ERROR_exit("Can't get info for dataset %s",argv[iarg]) ;
             }
            }
            else   /*** get and output label ***/
            {
             int nval_per = dset->dblk->nvals;
             int foundLabel = 0;
             int ival=0;

             for (ival=0 ; ival < nval_per && !foundLabel; ival++ )
             {
               if (strcmp(DSET_BRICK_LAB(dset,ival), labelName) == 0)
               {
                 printf("%d\n", ival); foundLabel = 1;
               }
             } /* end of for (ival=0 ; ival < nval_per ; ival++ ) */
             if (!foundLabel) printf("\n");
            }

            THD_delete_3dim_dataset( dset , False ) ;
            free(labelName);
            break;
         case DSET_EXISTS:
            fprintf(stdout, "%d", dset ? 1:0);
            break;
         case DSET_SPACE:
            tempstr = THD_get_space(dset);
            if(tempstr==NULL)
                  fprintf(stdout, "-----");
            else
                  fprintf(stdout, "%s", tempstr);
            break;
         case DSET_GEN_SPACE:
            tempstr = THD_get_generic_space(dset);
            if(tempstr==NULL)
                  fprintf(stdout, "-----");
            else
                  fprintf(stdout, "%s", tempstr);
            break;
         case AV_DSET_SPACE:
            /* don't allow anything but the three AFNI views */
            tempstr = THD_get_view_space(dset);
            if(tempstr==NULL)
                  fprintf(stdout, "+orig");
            else if (!strncasecmp(tempstr,"ORIG",4))
                  fprintf(stdout, "+orig");
            else if (!strncasecmp(tempstr,"ACPC",4))
                  fprintf(stdout, "+acpc");
            else if (!strncasecmp(tempstr,"TLRC",4))
                  fprintf(stdout, "+tlrc");
            else  /* shouldn't get here */
                  fprintf(stdout, "+orig");
            break;
         case IS_NIFTI:
            if (  dset->dblk->diskptr &&
                  dset->dblk->diskptr->storage_mode == STORAGE_BY_NIFTI ) {
               fprintf(stdout,"1");
            } else {
               fprintf(stdout,"0");
            }
            break;
         case IS_ATLAS:
            if (  is_Dset_Atlasy(dset, NULL) ) {
               fprintf(stdout,"1");
            } else {
               fprintf(stdout,"0");
            }
            break;
         case IS_OBLIQUE:
            if (dset_obliquity(dset,NULL) > 0) {
               fprintf(stdout,"1");
            } else {
               fprintf(stdout,"0");
            }
            break;
         case HANDEDNESS:
            if (THD_handedness(dset) > 0) {
               fprintf(stdout,"R");
            } else {
               fprintf(stdout,"L");
            }
            break;
         case OBLIQUITY:
            fprintf(stdout,"%.3f",
                  THD_compute_oblique_angle(dset->daxes->ijk_to_dicom_real, 0));
            break;
         case PREFIX:
            form = PrintForm(sing[iis], namelen, 1);
            fprintf(stdout,form, DSET_PREFIX(dset));
            break;
         case PREFIX_NOEXT:
            {
               form = PrintForm(sing[iis], namelen, 1);
               stmp=DSET_prefix_noext(dset);
               fprintf(stdout,form, stmp);
               free(stmp); stmp=NULL;
            }
            break;
         case HEADER_NAME:
            fprintf(stdout,"%s", dset->dblk->diskptr->header_name);
            break;
         case BRICK_NAME:
            fprintf(stdout,"%s", dset->dblk->diskptr->brick_name);
            break;
         case ALL_NAMES:
            THD_show_dataset_names(dset, "FOR_3DINFO", stdout);
            break;
         case HISTORY:
            stmp = tross_Get_History(dset);
            fprintf(stdout,"%s", stmp ? stmp:NAflag);
            if (stmp) free(stmp); stmp=NULL;
            break;
         case NI:
            fprintf(stdout,"%d", DSET_NX(dset));
            break;
         case NJ:
            fprintf(stdout,"%d", DSET_NY(dset));
            break;
         case NK:
            fprintf(stdout,"%d", DSET_NZ(dset));
            break;
         case NIJK:
            fprintf(stdout,"%d", DSET_NVOX(dset));
            break;
         case NTIMES:
            fprintf(stdout,"%d", DSET_NUM_TIMES(dset));
            break;
         case MAX_NODE:
            DSET_MAX_NODE(dset,itmp);
            fprintf(stdout,"%d", itmp);
            break;
         case NT:
         case NV:
            fprintf(stdout,"%d", DSET_NVALS(dset));
            break;
         case NTI:
         case NVI:
            fprintf(stdout,"%d", DSET_NVALS(dset)-1);
            break;
         case DI:
            fprintf(stdout,"%f", DSET_DX(dset));
            break;
         case DJ:
            fprintf(stdout,"%f", DSET_DY(dset));
            break;
         case DK:
            fprintf(stdout,"%f", DSET_DZ(dset));
            break;
         case OI:
            fprintf(stdout,"%f", DSET_XORG(dset));
            break;
         case OJ:
            fprintf(stdout,"%f", DSET_YORG(dset));
            break;
         case OK:
            fprintf(stdout,"%f", DSET_ZORG(dset));
            break;
         case ADI:
            fprintf(stdout,"%f", fabs(DSET_DX(dset)));
            break;
         case EXTENT_R:
         case EXTENT_L:
         case EXTENT_A:
         case EXTENT_P:
         case EXTENT_I:
         case EXTENT_S:
            {
               if (!extinit) {
                  THD_dset_extent(dset, '-', RL_AP_IS);
                  extinit = 1;
               }
               fprintf(stdout,"%f", RL_AP_IS[sing[iis]-EXTENT_R]);
            }
            break;

         case ADJ:
            fprintf(stdout,"%f", fabs(DSET_DY(dset)));
            break;
         case ADK:
            fprintf(stdout,"%f", fabs(DSET_DZ(dset)));
            break;
         case VOXVOL:
            fprintf(stdout,"%f", fabs(DSET_DX(dset))*
                                 fabs(DSET_DY(dset))*fabs(DSET_DZ(dset)));
            break;
         case INAME:
            fprintf(stdout,"%s", argv[iarg]);
            break;
         case LTABLE:
            {
               char *str;
               if ((str = Dtable_to_nimlstring(DSET_Label_Dtable(dset),                                                          "VALUE_LABEL_DTABLE"))) {
                  fprintf(stdout,"%s", str);
                  free(str);
               } else {
                  fprintf(stdout,"NO_LABEL_TABLE");
               }
            }
            break;
         case LTABLE_AS_ATLAS_POINT_LIST:
            {
               ATLAS_POINT_LIST *apl=NULL;
               if ((apl =
                     label_table_to_atlas_point_list(DSET_Label_Dtable(dset)))) {
                  atlas_list_to_niml(apl,NULL);
                  free_atlas_point_list(apl);
               } else {
                  fprintf(stdout,"NO_LABEL_TABLE");
               }
            }
            break;
         case  ATLAS_POINTS:
            {
               ATR_string *atr =
                  THD_find_string_atr( dset->dblk, "ATLAS_LABEL_TABLE");
               if (atr) {
                  fprintf(stdout,"%s", atr->ch);
               }  else {
                  fprintf(stdout,"NO_APL");
               }
            }
            break;
         case FAC:
            {
               for (isb=0; isb<DSET_NVALS(dset); ++isb) {
                  fprintf(stdout,"%f%s",
                        DSET_BRICK_FACTOR(dset,isb),
                        (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
               }
               break;
            }
         case DATUM:
            {
               for (isb=0; isb<DSET_NVALS(dset); ++isb) {
                  fprintf(stdout,"%s%s",
                        MRI_TYPE_name[DSET_BRICK_TYPE(dset,isb)],
                        (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
               }
               break;
            }
         case LABEL:
            {
               for (isb=0; isb<DSET_NVALS(dset); ++isb) {
                  fprintf(stdout,"%s%s",
               DSET_BRICK_LABEL(dset,isb) ? DSET_BRICK_LABEL(dset,isb):NAflag,
                        (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
               }
               break;
            }
         case MIN:
         case MINUS:
         case MAX:
         case MAXUS:
            {
               float vv=0.0, min, max;
               for (isb=0; isb<DSET_NVALS(dset); ++isb) {
                  if (!THD_subbrick_minmax(dset, isb,
                        (sing[iis] == MINUS || sing[iis] == MAXUS) ? 0:1,
                        &min, &max)) {
                     fprintf(stdout,"%s%s",
                        NAflag,
                        (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
                  } else {
                          if (sing[iis] == MINUS)
                        vv = min;
                     else if (sing[iis] == MAXUS)
                        vv = max;
                     else if (sing[iis] == MIN)
                        vv = min;
                     else if (sing[iis] == MAX)
                        vv = max;
                     fprintf(stdout,"%g%s",
                        vv,
                        (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
                  }
               }
               break;
            }
         case DMIN:
         case DMINUS:
         case DMAX:
         case DMAXUS:
            {
               float vv=0.0, min, max;
               if (!THD_dset_minmax(dset,
                     (sing[iis] == DMINUS || sing[iis] == DMAXUS) ? 0:1,
                     &min, &max)) {
                  fprintf(stdout,"%s%s",
                     NAflag,
                     (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
               } else {
                       if (sing[iis] == DMINUS)
                     vv = min;
                  else if (sing[iis] == DMAXUS)
                     vv = max;
                  else if (sing[iis] == DMIN)
                     vv = min;
                  else if (sing[iis] == DMAX)
                     vv = max;
                  fprintf(stdout,"%g%s",
                     vv,
                     (isb == (DSET_NVALS(dset)-1)) ? "" : sbdelim);
               }
               break;
            }
         case TR:
#if 0
            fprintf(stdout,"%f", DSET_TR_SEC(dset));
#else
            fprintf(stdout,"%f", DSET_TR(dset));
#endif
            break;
         case ORIENT:
            {
               /* fprintf(stdout,"%c%c%c",
                *         ORIENT_typestr[dset->daxes->xxorient][0], ... ); */
               char ostr[4];    /* just to show        23 Jan 2013 [rickr] */
               THD_fill_orient_str_3(dset->daxes, ostr);
               fprintf(stdout,"%3s", ostr);
            }
            break;
         case SAME_GRID:
            fprintf(stdout,"%d",
               !THD_dataset_mismatch( dset , dsetp ));
            break;
         case SAME_DIM:
            fprintf(stdout,"%d",
               !(THD_dataset_mismatch( dset , dsetp ) & MISMATCH_DIMEN));
            break;
         case SAME_DELTA:
            fprintf(stdout,"%d",
               !(THD_dataset_mismatch( dset , dsetp ) & MISMATCH_DELTA));
            break;
         case SAME_ORIENT:
            fprintf(stdout,"%d",
               !(THD_dataset_mismatch( dset , dsetp ) & MISMATCH_ORIENT));
            break;
         case SAME_CENTER:
            fprintf(stdout,"%d",
               !(THD_dataset_mismatch( dset , dsetp ) & MISMATCH_CENTER));
            break;
         case SAME_OBL:
            fprintf(stdout,"%d",
               !(THD_dataset_mismatch( dset , dsetp ) & MISMATCH_OBLIQ));
            break;
         case SLICE_TIMING:     /* 6 May 2013 [rickr] */
            {
               if( DSET_HAS_SLICE_TIMING(dset) ) {
                  DSET_UNMSEC(dset); /* make sure times are in seconds */
                  for (isb=0; isb<dset->taxis->nsl; ++isb) {
                     fprintf(stdout,"%s%f",
                           (isb > 0) ? sbdelim : "",
                           dset->taxis->toff_sl[isb]);
                  }
               } else { /* all slices times are at t=0.0 */
                  for (isb=0; isb<DSET_NZ(dset); ++isb) {
                     fprintf(stdout,"%s%f", (isb > 0) ? sbdelim : "", 0.0);
                  }
               }
            }
            break;
         case SVAL_DIFF:
            fprintf(stdout,"%f",THD_diff_vol_vals(dset, dsetp, 1));
            break;
         case VAL_DIFF:
            fprintf(stdout,"%f",THD_diff_vol_vals(dset, dsetp, 0));
            break;
         case ID:
            fprintf(stdout,"%s", DSET_IDCODE_STR(dset));
            break;
         case SMODE:
            fprintf(stdout,"%s", DSET_STORAGE_MODE_STR(dset));
            break;
         default:
            ERROR_message("Info field not set properly (%d)\n", sing[iis]);
            exit(1);
        }
        if (sing[iis] != CLASSIC) {
         SPIT_DELIM(iis, N_sing, atrdelim);
        }
      }
   }

   exit(0) ;
}