Example #1
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 */
Example #2
0
THD_3dim_dataset * Volumewise_Operations(THD_3dim_dataset *dset, char *prefix,
                                         int datum)
{
   int iv6[] = { 17, 0, 13, 4, 6, 8 };
   float fv = 3.14159;
   THD_3dim_dataset *oset = NULL;
   int nvox, isb, ivx;
   float *sb=NULL, *vout=NULL, *yout=NULL;
   char *stmp;
   
   ENTRY("Volumewise_Operations");
   
   DSET_load(dset);
   nvox = DSET_NVOX(dset);
   
   vout = (float *)calloc(nvox, sizeof(float)); /* Allocate for one whole volume,
                                                   one sub-brick that is */
   yout = (float *)calloc(nvox, sizeof(float)); /* and another */
   for (isb=0; isb<DSET_NVALS(dset); ++isb) {
      if (!(sb = THD_extract_to_float(isb, dset))) {
         ERROR_message("Failed to extract sub-brick %d from %s\n",
                       isb, DSET_PREFIX(dset));
         RETURN(NULL);
      }
      for (ivx=0; ivx<nvox; ++ivx) {
         vout[ivx] += sb[ivx];
         yout[ivx] += 1./(sqrt(fabs(sb[ivx])+0.1));
      }
      free(sb); sb = NULL;
   }
   
   /* Put the results in a new dataset */
   oset = EDIT_empty_copy( dset ) ;
   if (datum == MRI_float) { /* store results as float */
      stmp = modify_afni_prefix(prefix,NULL,".volops.float");
      EDIT_dset_items( oset ,
                      ADN_prefix , stmp,
                      ADN_datum_all, MRI_float ,
                      ADN_nvals  , 2 ,
                      ADN_ntt, 0, 
                    ADN_none ) ;

      EDIT_substitute_brick( oset , 0 , MRI_float  , vout  ) ; 
         vout = NULL; /* do not free vout, oset uses the same pointer 
                        because column types is oset are float */
      EDIT_substitute_brick( oset , 1 , MRI_float  , yout ) ; yout = NULL;
   } else { /* store results as short */
      stmp = modify_afni_prefix(prefix,NULL,".volops.short");
      EDIT_dset_items( oset ,
                      ADN_prefix , stmp,
                      ADN_datum_all, MRI_short ,
                      ADN_nvals  , 2 ,
                    ADN_none ) ;
      /* Store the results using short precision and auto scale */
      EDIT_substscale_brick(oset, 0, MRI_float, vout, MRI_short, -1.0);
         free(vout); vout = NULL; /* vout got copied by value, so free it */
         
      /* Store the results using short precision and set your own scale 
         (here out of laziness I used the same scale as for sub-brick 0) */
      EDIT_substscale_brick(oset, 1, MRI_float, yout, 
                            MRI_short, DSET_BRICK_FACTOR(oset,0));
         free(yout); yout = NULL; /* vout got copied by value, so free it */
   }
   
   /* Label the sub-bricks */
   EDIT_BRICK_LABEL(oset , 0, "sum");
   EDIT_BRICK_LABEL(oset , 1, "sisqrt");
   
   /* Add your own special attribute -- Note that private attributes
      are not preserved when making copies of datasets               */
   THD_set_string_atr( oset->dblk , "Pinot_Noir" , "sideways" ) ;
   THD_set_int_atr  ( oset->dblk , "Lottery_Numbers", 6, iv6 );
   THD_set_float_atr( oset->dblk , "PI", 1, &fv );
   
   RETURN(oset);
}