Example #1
0
/* Calculates the average value for each voxel in dset across all timepoints.

   PRE:
   dset is a valid 3D+T dataset with at least 1 timepoint;
   ignore is the number of timepoints to ignore at the beginning of dset;
   0 <= ignore < number of timepoints in dset;

   POST:
   return value is NULL on error,
   else, return value is an array of floats with the same dimensions as the
   subbricks of dset, containing the voxel value averages;

   Note: The caller is responsible for free()ing the returned block of memory
   when done.

   Note2: The complex datatype is not supported, and any such bricks will
   result in an error (NULL return value).
*/
double * RIC_CalcVoxelMeans(const THD_3dim_dataset * dset, int ignore) {

    double * avg;       /* The voxel averages to be returned */
    float scalefactor; /* Current dset brick scaling factor */
    int ival, nvals;   /* Current, number of dset timepoints */
    int ivox, nvoxs;   /* Current, number of dset brick voxels */

    /* Quick check of arguments */
    if (!ISVALID_3DIM_DATASET(dset) || DSET_NVALS(dset) < 1 ||
	ignore < 0 || ignore >= DSET_NVALS(dset)) {

	return NULL;
    }

    /* Initialize */
    DSET_load(dset);
    nvals = DSET_NVALS(dset);
    nvoxs = dset->daxes->nxx * dset->daxes->nyy * dset->daxes->nzz;
    avg = malloc(sizeof(double) * nvoxs);
    if (avg == NULL) {
	return NULL;
    }

    /* Calculate the voxel averages; treat matrices as 1-D arrays */

    /* Zero the voxel sums */
    for (ivox = 0; ivox < nvoxs; ivox += 1) {
	avg[ivox] = 0.0;
    }

    /* Sum each voxel across time (and hope there are not too many points) */
    for (ival = ignore; ival < nvals; ival += 1) {
	scalefactor = DSET_BRICK_FACTOR(dset, ival);

	switch (DSET_BRICK_TYPE(dset, ival)) {
	case MRI_short:
	    RIC_CALCVOXELMEANS__DO_VOXSUM(short);
	    break;
	case MRI_byte:
	    RIC_CALCVOXELMEANS__DO_VOXSUM(byte);
	    break;
	case MRI_float:
	    RIC_CALCVOXELMEANS__DO_VOXSUM(float);
	    break;
	default: /* Unsupported datatype */
	    free(avg);
	    return NULL;
	}
    }

    /* Divide by number of timepoints to get average */
    nvals -= ignore;  /* We do not average over the ignored timepoints */
    for (ivox = 0; ivox < nvoxs; ivox += 1) {
	avg[ivox] /= nvals;
    }

    return avg;
}
Example #2
0
void get_options
(
  int argc,                        /* number of input arguments */
  char ** argv                     /* array of input arguments */ 
)

{
  int nopt = 1;                     /* input option argument counter */
  int ival, index;                  /* integer input */
  float fval;                       /* float input */
  char message[MAX_STRING_LENGTH];  /* error message */


  /*----- does user request help menu? -----*/
  if (argc < 2 || strncmp(argv[1], "-help", 5) == 0)  display_help_menu();  
   

  /*----- main loop over input options -----*/
  while (nopt < argc )
    {

      /*-----   -anat filename   -----*/
      if (strncmp(argv[nopt], "-anat", 5) == 0)
	{
	  nopt++;
	  if (nopt >= argc)  estPDF_error ("need argument after -anat ");
	  anat_filename = malloc (sizeof(char) * MAX_STRING_LENGTH);
	  MTEST (anat_filename);
	  strcpy (anat_filename, argv[nopt]);

	  anat = THD_open_one_dataset (anat_filename);
	  if (!ISVALID_3DIM_DATASET (anat))
	    {
	      sprintf (message, "Can't open dataset: %s\n", anat_filename); 
	      estPDF_error (message); 
	    } 
	  DSET_load(anat); CHECK_LOAD_ERROR(anat);

	  nopt++;
	  continue;
	}
      

      /*----- unknown command -----*/
      sprintf(message,"Unrecognized command line option: %s\n", argv[nopt]);
      estPDF_error (message);
      
    }

  
}
Example #3
0
/*
 * check count against limit
 *    - clear small values
 *    - if not count, set large values to 1
 */
int limit_to_frac(THD_3dim_dataset * cset, int limit, int count, int verb)
{
   short * dptr;
   int     index, nsub, nsuper;

   ENTRY("limit_to_frac");

   if( ! ISVALID_3DIM_DATASET(cset) ) {
      ERROR_message("invalid count dataset");
      RETURN(1);
   } else if( DSET_BRICK_TYPE(cset, 0) != MRI_short ) {
      ERROR_message("count dataset not of type short");
      RETURN(1);
   }

   if(verb > 1) INFO_message("limiting to %d (count = %d)\n",limit,count);

   /* note how many voxels are affected, just for kicks */
   dptr = DBLK_ARRAY(cset->dblk, 0);
   nsub = nsuper = 0;
   for(index = 0; index < DSET_NVOX(cset); index++, dptr++) {
      if( ! *dptr ) continue;           /* 0, so skip */
      else if( *dptr < limit ) {        /* small, so clear */
         *dptr = 0;
         nsub++;
      }
      else {                            /* big enough */
         if ( ! count ) *dptr = 1;
         nsuper++;
      }
   }

   /* entertain the user */
   if( verb )
      INFO_message("voxel limits: %d clipped, %d survived, %d were zero\n",
                   nsub, nsuper, DSET_NVOX(cset)-nsub-nsuper);

   RETURN(0);
}
Example #4
0
char * RENAME_main( PLUGIN_interface * plint )
{
   char * new_prefix ;
   MCW_idcode * idc ;
   THD_3dim_dataset * dset ;
   char * old_header_name , * old_brick_name ;
   THD_slist_find find ;
   THD_session * ss ;
   int iss , id , ivv , ierr , mm ;

   /*--------------------------------------------------------------------*/
   /*----- Check inputs from AFNI to see if they are reasonable-ish -----*/

   if( plint == NULL )
      return "***********************\n"
             "RENAME_main: NULL input\n"
             "***********************"  ;

   PLUTO_next_option(plint) ;
   idc  = PLUTO_get_idcode(plint) ;
   dset = PLUTO_find_dset(idc) ;
   if( dset == NULL )
      return "******************************\n"
             "RENAME_main:bad input dataset\n"
             "******************************"  ;

   PLUTO_next_option(plint) ;
   new_prefix = PLUTO_get_string(plint) ;
   if( ! PLUTO_prefix_ok(new_prefix) )
      return "***********************\n"
             "RENAME_main:bad prefix\n"
             "***********************"  ;

   /*------------------------------------------------------*/
   /*---------- At this point, the inputs are OK ----------*/

   /*-- find this dataset in the AFNI library --*/

   find = THD_dset_in_sessionlist( FIND_IDCODE, idc, GLOBAL_library.sslist, -1 ) ;
   iss  = find.sess_index ;
   ss   = GLOBAL_library.sslist->ssar[iss] ;
   id = find.dset_index ; 

   /*-- for each element of this row,
        change its internal names and, if needed, filenames on disk --*/

   ierr = 0 ;

   for( ivv=FIRST_VIEW_TYPE ; ivv <= LAST_VIEW_TYPE ; ivv++ ){

      dset = GET_SESSION_DSET(ss, id, ivv);
      
      if( ! ISVALID_3DIM_DATASET(dset) ) continue ;  /* skip this one */

      /*-- copy the old filenames --*/

      old_header_name = XtNewString( dset->dblk->diskptr->header_name ) ;
      old_brick_name  = XtNewString( dset->dblk->diskptr->brick_name  ) ;

      /*-- initialize the new filenames inside the dataset --*/

      EDIT_dset_items( dset , ADN_prefix , new_prefix , ADN_none ) ;

      /*-- rename the old files to the new files, if they exist on disk --*/

      if( THD_is_file(old_header_name) )
         ierr += rename( old_header_name , dset->dblk->diskptr->header_name ) ;

      /* May 1998: fix .BRIK rename to allow for compression */
#if 0
      if( THD_is_file(old_brick_name) )
         ierr += rename( old_brick_name , dset->dblk->diskptr->brick_name ) ;
#else
      mm = COMPRESS_filecode(old_brick_name) ;
      if( mm != COMPRESS_NOFILE ){
        char * old_name = COMPRESS_add_suffix(old_brick_name,mm) ;
        char * new_name = COMPRESS_add_suffix(dset->dblk->diskptr->brick_name,mm) ;
        ierr += rename( old_name , new_name ) ;
        free(old_name) ; free(new_name) ;
      }
#endif

      XtFree(old_header_name) ; XtFree(old_brick_name) ;
   }

   /*-- clean up AFNI --*/

   PLUTO_fixup_names() ;

   /*-- done --*/

   if( ierr ) return "***********************************************\n"
                     "RENAME_main: some file rename operations failed\n"
                     "***********************************************"  ;

   return NULL ;
}
Example #5
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 */
char * THD_dataset_info( THD_3dim_dataset *dset , int verbose )
{
   THD_dataxes      *daxes ;
   THD_fvec3 fv1 , fv2 , fv3 ;
   int ival , ntimes , nval_per , n1,n2,n3 , kv,npar ;
   float tf, angle=0.0;
   long long tb ;

   static char *RR="[R]" , *LL="[L]" ,
               *PP="[P]" , *AA="[A]" ,
               *SS="[S]" , *II="[I]" , *ZZ="   " ;
   char *xlbot , *xltop , *ylbot , *yltop , *zlbot , *zltop , *cpt ;
   char str[1024], soblq[1024] ;
   int nstr , obliquity;

   char *outbuf = NULL ;  /* output buffer */

ENTRY("THD_dataset_info") ;

   if( ! ISVALID_3DIM_DATASET(dset) ) RETURN(NULL) ;

   daxes = dset->daxes ;

   if( DSET_IS_BRIK(dset) )
     outbuf = THD_zzprintf(outbuf,"Dataset File:    %s\n" , DSET_FILECODE(dset) ) ;
   else
     outbuf = THD_zzprintf(outbuf,"Dataset File:    %s\n" , DSET_BRIKNAME(dset) ) ;

   outbuf = THD_zzprintf(outbuf,"Identifier Code: %s  Creation Date: %s\n" ,
             dset->idcode.str , dset->idcode.date ) ;
   outbuf = THD_zzprintf(outbuf,   "Template Space:  %s\n", dset->atlas_space);

   if( ISANAT(dset) ){
      outbuf = THD_zzprintf(outbuf,"Dataset Type:    %s (-%s)\n",
                ANAT_typestr[dset->func_type] , ANAT_prefixstr[dset->func_type] ) ;
   } else {
      outbuf = THD_zzprintf(outbuf,"Dataset Type:    %s (-%s)\n",
                FUNC_typestr[dset->func_type] , FUNC_prefixstr[dset->func_type] ) ;
   }

   /* 25 April 1998: do byte order stuff */

   switch( DSET_BYTEORDER(dset) ){
      case LSB_FIRST:
         outbuf = THD_zzprintf(outbuf,"Byte Order:      %s" , LSB_FIRST_STRING) ;
      break ;
      case MSB_FIRST:
         outbuf = THD_zzprintf(outbuf,"Byte Order:      %s" , MSB_FIRST_STRING) ;
      break ;
   }

   if( THD_find_string_atr(dset->dblk,ATRNAME_BYTEORDER) == NULL ) /* 19 Sep 1999 */
      outbuf = THD_zzprintf(outbuf," {assumed}") ;

   kv = mri_short_order() ;
   switch( kv ){
      case LSB_FIRST:
         outbuf = THD_zzprintf(outbuf," [this CPU native = %s]\n" , LSB_FIRST_STRING) ;
      break ;
      case MSB_FIRST:
         outbuf = THD_zzprintf(outbuf," [this CPU native = %s]\n" , MSB_FIRST_STRING) ;
      break ;
   }

   /*-- 21 Jun 2002: print storage mode --*/
   if( dset->dblk->diskptr != NULL ){
      outbuf = THD_zzprintf(outbuf,"Storage Mode:    %s\n",
                        storage_mode_str(dset->dblk->diskptr->storage_mode));
   }

   tb = dset->dblk->total_bytes ;
   if( tb > 0 )
     outbuf = THD_zzprintf(outbuf,"Storage Space:   %s (%s) bytes\n",
                           commaized_integer_string(dset->dblk->total_bytes) ,
                           approximate_number_string(dset->dblk->total_bytes) ) ;

   /*-- keywords --*/

   if( verbose >= 0 ){
     cpt = DSET_KEYWORDS(dset) ;
     if( cpt != NULL && cpt[0] != '\0' ){
       int j = strlen(cpt) ;
       if( j < 99 ){
         outbuf = THD_zzprintf(outbuf,"Keywords:        %s\n" , cpt ) ;
       } else {
        int k ;
        outbuf = THD_zzprintf(outbuf,"\n----- KEYWORDS -----\n") ;
        for( k=0 ; k < j ; k += ZMAX )
          outbuf = THD_zzprintf(outbuf,SZMAX,cpt+k) ;
         outbuf = THD_zzprintf(outbuf,"\n") ;
       }
     }
   }

   /*-- idcodes --*/

  if( verbose >= 0 ){
   if( ! ISZERO_IDCODE(dset->anat_parent_idcode) )
      outbuf = THD_zzprintf(outbuf,"Anatomy Parent:  %s [%s]\n" ,
                dset->anat_parent_name , dset->anat_parent_idcode.str ) ;
   else if( strlen(dset->anat_parent_name) > 0 )
      outbuf = THD_zzprintf(outbuf,"Anatomy Parent:  %s\n" , dset->anat_parent_name ) ;

   if( ! ISZERO_IDCODE(dset->warp_parent_idcode) )
      outbuf = THD_zzprintf(outbuf,"Warp Parent:     %s [%s]\n" ,
                 dset->warp_parent_name , dset->warp_parent_idcode.str) ;
   else if( strlen(dset->warp_parent_name) > 0 )
      outbuf = THD_zzprintf(outbuf,"Warp Parent:     %s\n" , dset->warp_parent_name ) ;
  }

   /*-- tagset --*/
   if( verbose > 0 && dset->tagset != NULL && dset->tagset->num > 0 ){
      int ii , ns=0 ;
      for( ii=0 ; ii < dset->tagset->num ; ii++ )
         if( dset->tagset->tag[ii].set ) ns++ ;

      outbuf = THD_zzprintf(outbuf,"Tagset:          %d set [out of %d total]\n",
                            ns , dset->tagset->num ) ;
   }

   /* are we oblique ? */
   if((obliquity = dset_obliquity(dset, &angle)) >= 0) {
      if(angle>0.0) {
         sprintf (soblq,
            "Data Axes Tilt:  Oblique (%.3f deg. from plumb)\n"
            "Data Axes Approximate Orientation:",
            angle);
      } else {
         sprintf (soblq,
            "Data Axes Tilt:  Plumb\n"
            "Data Axes Orientation:");
      }
      { char *gstr = EDIT_get_geometry_string(dset) ;
        if( gstr != NULL && *gstr != '\0' )
          outbuf = THD_zzprintf(outbuf,"Geometry String: \"%s\"\n",gstr) ;
      }
   } else {
      sprintf (soblq,
            "Data Axes Tilt:  Unspecified, assumed plumb\n"
            "Data Axes Orientation:");
   }

   outbuf = THD_zzprintf(outbuf,
      "%s\n"
      "  first  (x) = %s\n"
      "  second (y) = %s\n"
      "  third  (z) = %s   [-orient %c%c%c]\n" ,
    soblq,
    ORIENT_typestr[daxes->xxorient] ,
      ORIENT_typestr[daxes->yyorient] ,
      ORIENT_typestr[daxes->zzorient] ,
    ORIENT_typestr[daxes->xxorient][0] ,
      ORIENT_typestr[daxes->yyorient][0] ,
      ORIENT_typestr[daxes->zzorient][0]  ) ;

   LOAD_FVEC3(fv1 , daxes->xxorg , daxes->yyorg , daxes->zzorg) ;
   fv1 = THD_3dmm_to_dicomm( dset , fv1 ) ;

   LOAD_FVEC3(fv2 , daxes->xxorg + (daxes->nxx-1)*daxes->xxdel ,
                    daxes->yyorg + (daxes->nyy-1)*daxes->yydel ,
                    daxes->zzorg + (daxes->nzz-1)*daxes->zzdel  ) ;
   fv2 = THD_3dmm_to_dicomm( dset , fv2 ) ;

   if( fv1.xyz[0] > fv2.xyz[0] ) FSWAP( fv1.xyz[0] , fv2.xyz[0] ) ;
   if( fv1.xyz[1] > fv2.xyz[1] ) FSWAP( fv1.xyz[1] , fv2.xyz[1] ) ;
   if( fv1.xyz[2] > fv2.xyz[2] ) FSWAP( fv1.xyz[2] , fv2.xyz[2] ) ;

   LOAD_FVEC3(fv3 , daxes->xxdel , daxes->yydel , daxes->zzdel) ;
   fv3 = THD_3dmm_to_dicomm( dset , fv3 ) ;

   XLAB(xlbot,fv1.xyz[0]) ; YLAB(ylbot,fv1.xyz[1]) ; ZLAB(zlbot,fv1.xyz[2]) ;
   XLAB(xltop,fv2.xyz[0]) ; YLAB(yltop,fv2.xyz[1]) ; ZLAB(zltop,fv2.xyz[2]) ;

   n1 = DAXES_NUM(daxes,ORI_R2L_TYPE) ;
   n2 = DAXES_NUM(daxes,ORI_A2P_TYPE) ;
   n3 = DAXES_NUM(daxes,ORI_I2S_TYPE) ;

   outbuf = THD_zzprintf(outbuf,
      "R-to-L extent: %9.3f %s -to- %9.3f %s -step- %9.3f mm [%3d voxels]\n"
      "A-to-P extent: %9.3f %s -to- %9.3f %s -step- %9.3f mm [%3d voxels]\n"
      "I-to-S extent: %9.3f %s -to- %9.3f %s -step- %9.3f mm [%3d voxels]\n" ,
    fv1.xyz[0],xlbot , fv2.xyz[0],xltop , fabs(fv3.xyz[0]) , n1 ,
    fv1.xyz[1],ylbot , fv2.xyz[1],yltop , fabs(fv3.xyz[1]) , n2 ,
    fv1.xyz[2],zlbot , fv2.xyz[2],zltop , fabs(fv3.xyz[2]) , n3  ) ;

   /*-- 01 Feb 2001: print the center of the dataset as well --*/

   if( verbose > 0 ){
    fv1.xyz[0] = 0.5*(fv1.xyz[0]+fv2.xyz[0]) ; XLAB(xlbot,fv1.xyz[0]) ;
    fv1.xyz[1] = 0.5*(fv1.xyz[1]+fv2.xyz[1]) ; YLAB(ylbot,fv1.xyz[1]) ;
    fv1.xyz[2] = 0.5*(fv1.xyz[2]+fv2.xyz[2]) ; ZLAB(zlbot,fv1.xyz[2]) ;

    outbuf = THD_zzprintf(outbuf,
                            "R-to-L center: %9.3f %s\n"
                            "A-to-P center: %9.3f %s\n"
                            "I-to-S center: %9.3f %s\n" ,
                          fv1.xyz[0],xlbot ,
                          fv1.xyz[1],ylbot ,
                          fv1.xyz[2],zlbot  ) ;
   }

   ntimes   = DSET_NUM_TIMES(dset) ;
   nval_per = DSET_NVALS_PER_TIME(dset) ;
   if( ntimes > 1 ){

      outbuf = THD_zzprintf(outbuf,
         "Number of time steps = %d" , ntimes ) ;

      STATUS("timestep") ;

      outbuf = THD_zzprintf(outbuf, "  Time step = %.5f%s  Origin = %.5f%s" ,
                 dset->taxis->ttdel ,
                 UNITS_TYPE_LABEL(dset->taxis->units_type) ,
                 dset->taxis->ttorg ,
                 UNITS_TYPE_LABEL(dset->taxis->units_type)  ) ;
      if( dset->taxis->nsl > 0 )
        outbuf = THD_zzprintf(outbuf,"  Number time-offset slices = %d  Thickness = %.3f",
                  dset->taxis->nsl , fabs(dset->taxis->dz_sl) ) ;
      outbuf = THD_zzprintf(outbuf,"\n") ;

      STATUS("nsl done") ;

      if( verbose > 0 && dset->taxis->nsl > 0 && dset->taxis->toff_sl != NULL ){
         outbuf = THD_zzprintf(outbuf,"Time-offsets per slice:") ;
         for( ival=0 ; ival < dset->taxis->nsl ; ival++ )
           outbuf = THD_zzprintf(outbuf, " %.3f" , dset->taxis->toff_sl[ival] ) ;
         outbuf = THD_zzprintf(outbuf,"\n") ;
      }
   } else {
      outbuf = THD_zzprintf(outbuf,
           "Number of values stored at each pixel = %d\n" , nval_per ) ;
   }

#if 0
   if( verbose > 0 && ntimes > 1 ) nval_per = dset->dblk->nvals ;
   else                            nval_per = 1 ;                 /* 12 Feb 2002 */
#else
   nval_per = dset->dblk->nvals ;
   if( verbose < 0 && nval_per > 5 ) nval_per = 3 ;
#endif

   /* print out stuff for each sub-brick */

   for( ival=0 ; ival < nval_per ; ival++ ){

     STATUS("ival a") ;

      sprintf( str ,
               "  -- At sub-brick #%d '%s' datum type is %s" ,
               ival , DSET_BRICK_LAB(dset,ival) ,
               MRI_TYPE_name[DSET_BRICK_TYPE(dset,ival)] ) ;
      nstr = strlen(str) ;

      tf = DSET_BRICK_FACTOR(dset,ival) ;

      if( ISVALID_STATISTIC(dset->stats) ){

         if( tf != 0.0 ){
            sprintf( str+nstr ,
                                ":%13.6g to %13.6g [internal]\n"
                    "%*s[*%13.6g] %13.6g to %13.6g [scaled]\n" ,
                    dset->stats->bstat[ival].min/tf ,
                    dset->stats->bstat[ival].max/tf ,
                    nstr-16," " , tf ,
                    dset->stats->bstat[ival].min , dset->stats->bstat[ival].max ) ;
          } else {
            sprintf( str+nstr , ":%13.6g to %13.6g\n" ,
                    dset->stats->bstat[ival].min , dset->stats->bstat[ival].max ) ;
          }
      } else if( tf != 0.0 ){
         sprintf( str+nstr , " [*%g]\n",tf) ;
      } else {
         sprintf( str+nstr , "\n") ;
      }
     STATUS("ival b") ;
      outbuf = THD_zzprintf(outbuf,"%s",str) ;

      /** 30 Nov 1997: print sub-brick stat params **/

      kv = DSET_BRICK_STATCODE(dset,ival) ;
      if( FUNC_IS_STAT(kv) ){
     STATUS("ival c") ;
         outbuf = THD_zzprintf(outbuf,"     statcode = %s",FUNC_prefixstr[kv] ) ;
         npar = FUNC_need_stat_aux[kv] ;
         if( npar > 0 ){
            outbuf = THD_zzprintf(outbuf,";  statpar =") ;
            for( kv=0 ; kv < npar ; kv++ )
               outbuf = THD_zzprintf(outbuf," %g",DSET_BRICK_STATPAR(dset,ival,kv)) ;
         }
         outbuf = THD_zzprintf(outbuf,"\n") ;
     STATUS("ival d") ;
      }

      cpt = DSET_BRICK_KEYWORDS(dset,ival) ;
      if( cpt != NULL && cpt[0] != '\0' ){
        outbuf = THD_zzprintf(outbuf,"     keywords = %.66s\n",cpt) ;
      }

     STATUS("ival z") ;
   }
   if( verbose < 0 && nval_per < dset->dblk->nvals )  /* 21 Sep 2007 */
     outbuf = THD_zzprintf(outbuf,
                "** For info on all %d sub-bricks, use '3dinfo -verb' **\n",
                dset->dblk->nvals) ;

   /** print out dataset global statistical parameters **/

   if( ISFUNC(dset) && FUNC_need_stat_aux[dset->func_type] > 0 ){
      outbuf = THD_zzprintf(outbuf,"Auxiliary functional statistical parameters:\n %s\n",
             FUNC_label_stat_aux[dset->func_type] ) ;
      for( ival=0 ; ival < FUNC_need_stat_aux[dset->func_type] ; ival++ )
         outbuf = THD_zzprintf(outbuf," %g",dset->stat_aux[ival]) ;
      outbuf = THD_zzprintf(outbuf,"\n") ;
   }

   /** If present, print out History **/

   { char *chn ; int j,k ;
     chn = tross_Get_History(dset) ;
     if( chn != NULL ){
       j = strlen(chn) ;
       outbuf = THD_zzprintf(outbuf,"\n----- HISTORY -----\n") ;
       for( k=0 ; k < j ; k += ZMAX )
         outbuf = THD_zzprintf(outbuf,SZMAX,chn+k) ;
       free(chn) ;
       outbuf = THD_zzprintf(outbuf,"\n") ;
     }
   }

   /** If present, print out Notes **/

   if( verbose >= 0 ){
     ATR_int *notecount;
     int num_notes, i, j, mmm ;
     char *chn , *chd ;

     notecount = THD_find_int_atr(dset->dblk, "NOTES_COUNT");
     if( notecount != NULL ){
        num_notes = notecount->in[0] ;
        if( verbose == 0 && num_notes > 5 ) num_notes = 5 ;
        mmm = (verbose > 0) ? ZMAX : 1200 ;   /* 400 it was!
                                                 Come on Bob, have a heart! -ZSS */
        for (i=1; i<= num_notes; i++) {
           chn = tross_Get_Note( dset , i ) ;
           if( chn != NULL ){
              j = strlen(chn) ; if( j > mmm ) chn[mmm] = '\0' ;
              chd = tross_Get_Notedate(dset,i) ;
              if( chd == NULL ){ chd = AFMALL(char,16) ; strcpy(chd,"no date") ; }
              outbuf = THD_zzprintf(outbuf,"\n----- NOTE %d [%s] -----\n%s\n",i,chd,chn) ;
              free(chn) ; free(chd) ;
           }
Example #7
0
static int * PLUTO_4D_to_nothing (THD_3dim_dataset * old_dset , int ignore , int detrend ,
                         generic_func * user_func, void * user_data )
{

   byte    ** bptr = NULL ;  /* one of these will be the array of */
   short   ** sptr = NULL ;  /* pointers to input dataset sub-bricks */
   float   ** fptr = NULL ;  /* (depending on input datum type) */
   complex ** cptr = NULL ;

   float * fxar = NULL ;  /* array loaded from input dataset */
   float * fac  = NULL ;  /* array of brick scaling factors */
   float * dtr  = NULL ;  /* will be array of detrending coeff */

   float val , d0fac , d1fac , x0,x1;
   double tzero=0.0 , tdelta , ts_mean , ts_slope ;
   int   ii , old_datum , nuse , use_fac , iz,izold, nxy,nvox ;
   static int retval;
	register int kk ;

   /*----------------------------------------------------------*/
   /*----- Check inputs to see if they are reasonable-ish -----*/

   if( ! ISVALID_3DIM_DATASET(old_dset) ) return NULL ;

   if( user_func == NULL ) return NULL ;

   if( ignore < 0 ) ignore = 0 ;

   /*--------- set up pointers to each sub-brick in the input dataset ---------*/

   old_datum = DSET_BRICK_TYPE( old_dset , 0 ) ;   /* get old dataset datum */
   nuse      = DSET_NUM_TIMES(old_dset) - ignore ; /* # of points on time axis */
   if( nuse < 2 ) return NULL ;

   DSET_load( old_dset ) ;  /* must be in memory before we get pointers to it */

   kk = THD_count_databricks( old_dset->dblk ) ;  /* check if it was */
   if( kk < DSET_NVALS(old_dset) ){               /* loaded correctly */
      DSET_unload( old_dset ) ;
      return NULL ;
   }

   switch( old_datum ){  /* pointer type depends on input datum type */

      default:                      /** don't know what to do **/
         DSET_unload( old_dset ) ;
         return NULL ;

      /** create array of pointers into old dataset sub-bricks **/

      /*--------- input is bytes ----------*/
      /* voxel #i at time #k is bptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_byte:
         bptr = (byte **) malloc( sizeof(byte *) * nuse ) ;
         if( bptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            bptr[kk] = (byte *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is shorts ---------*/
      /* voxel #i at time #k is sptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_short:
         sptr = (short **) malloc( sizeof(short *) * nuse ) ;
         if( sptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            sptr[kk] = (short *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is floats ---------*/
      /* voxel #i at time #k is fptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_float:
         fptr = (float **) malloc( sizeof(float *) * nuse ) ;
         if( fptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            fptr[kk] = (float *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is complex ---------*/
      /* voxel #i at time #k is cptr[k][i]  */
      /* for i=0..nvox-1 and k=0..nuse-1.   */

      case MRI_complex:
         cptr = (complex **) malloc( sizeof(complex *) * nuse ) ;
         if( cptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            cptr[kk] = (complex *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

   } /* end of switch on input type */

	nvox = old_dset->daxes->nxx * old_dset->daxes->nyy * old_dset->daxes->nzz ;

   
   /*---- allocate space for 1 voxel timeseries ----*/

   fxar = (float *) malloc( sizeof(float) * nuse ) ;   /* voxel timeseries */
   if( fxar == NULL ){ ZFREE_WORKSPACE ; return NULL ; }

   /*--- get scaling factors for sub-bricks ---*/

   fac = (float *) malloc( sizeof(float) * nuse ) ;   /* factors */
   if( fac == NULL ){ ZFREE_WORKSPACE ; return NULL ; }

   use_fac = 0 ;
   for( kk=0 ; kk < nuse ; kk++ ){
      fac[kk] = DSET_BRICK_FACTOR(old_dset,kk+ignore) ;
      if( fac[kk] != 0.0 ) use_fac++ ;
      else                 fac[kk] = 1.0 ;
   }
   if( !use_fac ) ZFREEUP(fac) ;

   /*--- setup for detrending ---*/

   dtr = (float *) malloc( sizeof(float) * nuse ) ;
   if( dtr == NULL ){ ZFREE_WORKSPACE ; return NULL ; }

   d0fac = 1.0 / nuse ;
   d1fac = 12.0 / nuse / (nuse*nuse - 1.0) ;
   for( kk=0 ; kk < nuse ; kk++ )
      dtr[kk] = kk - 0.5 * (nuse-1) ;  /* linear trend, orthogonal to 1 */


   /*----- set up to find time at each voxel -----*/

   tdelta = old_dset->taxis->ttdel ;
   if( DSET_TIMEUNITS(old_dset) == UNITS_MSEC_TYPE ) tdelta *= 0.001 ;
   if( tdelta == 0.0 ) tdelta = 1.0 ;

   izold  = -666 ;
   nxy    = old_dset->daxes->nxx * old_dset->daxes->nyy ;

   /*----------------------------------------------------*/
   /*----- Setup has ended.  Now do some real work. -----*/

   /* start notification */
#if 0
   user_func(  0.0 , 0.0 , nvox , NULL,0.0,0.0 , user_data ) ;
#else
   { void (*uf)(double,double,int,float *,double,double,void *) =
     (void (*)(double,double,int,float *,double,double,void *))(user_func) ;
     uf( 0.0l,0.0l , nvox , NULL , 0.0l,0.0l , user_data ) ;
   }
#endif

   /***** loop over voxels *****/   
   for( ii=0 ; ii < nvox ; ii++  ){  /* 1 time series at a time */
		
      /*** load data from input dataset, depending on type ***/

      switch( old_datum ){

         /*** input = bytes ***/

         case MRI_byte:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = bptr[kk][ii] ;
         break ;

         /*** input = shorts ***/

         case MRI_short:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = sptr[kk][ii] ;
         break ;

         /*** input = floats ***/

         case MRI_float:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = fptr[kk][ii] ;
         break ;

         /*** input = complex (note we use absolute value) ***/

         case MRI_complex:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = CABS(cptr[kk][ii]) ;
         break ;

      } /* end of switch over input type */

      /*** scale? ***/
     if( use_fac )
         for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] *= fac[kk] ;

      /** compute mean and slope **/

      x0 = x1 = 0.0 ;
      for( kk=0 ; kk < nuse ; kk++ ){
         x0 += fxar[kk] ; x1 += fxar[kk] * dtr[kk] ;
      }

      x0 *= d0fac ; x1 *= d1fac ;  /* factors to remove mean and trend */

      ts_mean  = x0 ;
      ts_slope = x1 / tdelta ;
 
      /** detrend? **/

      if( detrend )
         for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] -= (x0 + x1 * dtr[kk]) ;

      /** compute start time of this timeseries **/
		/* The info computed here is not being used in this version*/
      iz = ii / nxy ;    /* which slice am I in? */

      if( iz != izold ){          /* in a new slice? */
         tzero = THD_timeof( ignore ,
                             old_dset->daxes->zzorg
                           + iz*old_dset->daxes->zzdel , old_dset->taxis ) ;
         izold = iz ;

         if( DSET_TIMEUNITS(old_dset) == UNITS_MSEC_TYPE ) tzero *= 0.001 ;
      }

      /*** Send data to user function ***/
#if 0
      user_func( tzero,tdelta , nuse,fxar,ts_mean,ts_slope , user_data) ;
#else
     { void (*uf)(double,double,int,float *,double,double,void *) =
       (void (*)(double,double,int,float *,double,double,void *))(user_func) ;
       uf( tzero,tdelta , nuse,fxar,ts_mean,ts_slope , user_data) ;
     }
#endif

      

   } /* end of outer loop over 1 voxels at a time */

   DSET_unload( old_dset ) ;  

   /* end notification */
#if 0
   user_func( 0.0 , 0.0 , 0 , NULL,0.0,0.0 , user_data ) ;
#else
   { void (*uf)(double,double,int,float *,double,double,void *) =
     (void (*)(double,double,int,float *,double,double,void *))(user_func) ;
     uf( 0.0l,0.0l, 0 , NULL,0.0l,0.0l, user_data ) ;
   }
#endif

   
   /*-------------- Cleanup and go home ----------------*/
   
   ZFREE_WORKSPACE ;
	retval = 0;
	return &retval; /* this value is not used for now .... */

}
Example #8
0
void EDIT_add_bricklist( THD_3dim_dataset *dset ,
                         int nbr, int *tbr, float *fbr , void *sbr[] )
{
   int ibr , typ , nx,ny,nz , nvals,new_nvals ;
   THD_datablock *dblk ;
   MRI_IMAGE *qim ;
   char str[32] ;

ENTRY("EDIT_add_bricklist") ;

   /**-- Sanity Checks --**/

   if( ! ISVALID_3DIM_DATASET(dset) || nbr <= 0 )       EXRETURN; /* error! */
   if( dset->dblk->brick == NULL )                      EXRETURN; /* error! */
   if( dset->dblk->malloc_type != DATABLOCK_MEM_MALLOC )EXRETURN; /* error! */

   dblk  = dset->dblk ;
   nvals = dblk->nvals ;
   nx    = dblk->diskptr->dimsizes[0] ;
   ny    = dblk->diskptr->dimsizes[1] ;
   nz    = dblk->diskptr->dimsizes[2] ;

   /**-- reallocate the brick control information --**/

   new_nvals = nvals + nbr ;
   dblk->brick_bytes = (int64_t *) XtRealloc( (char *) dblk->brick_bytes ,
                                          sizeof(int64_t) * new_nvals ) ;

   dblk->brick_fac = (float *) XtRealloc( (char *) dblk->brick_fac ,
                                          sizeof(float) * new_nvals ) ;

   dblk->nvals = dblk->diskptr->nvals = new_nvals ;

   /** allocate new sub-brick images **/

   for( ibr=0 ; ibr < nbr ; ibr++ ){
      typ = (tbr != NULL ) ? tbr[ibr] : MRI_short ;
      qim = mri_new_vol_empty( nx,ny,nz , typ ) ;  /* image with no data */

      if( sbr != NULL && sbr[ibr] != NULL )        /* attach data to image */
         mri_fix_data_pointer( sbr[ibr] , qim ) ;

      ADDTO_IMARR( dblk->brick , qim ) ;           /* attach image to dset */

      dblk->brick_fac[nvals+ibr]   = (fbr != NULL) ? fbr[ibr] : 0.0 ;
      dblk->brick_bytes[nvals+ibr] = (int64_t)qim->pixel_size * (int64_t)qim->nvox ;
      dblk->total_bytes           += dblk->brick_bytes[ibr] ;
   }

   /** allocate new sub-brick auxiliary data: labels **/

   if( dblk->brick_lab == NULL )
      THD_init_datablock_labels( dblk ) ;
   else
      dblk->brick_lab = (char **) XtRealloc( (char *) dblk->brick_lab ,
                                             sizeof(char *) * new_nvals ) ;
   for( ibr=0 ; ibr < nbr ; ibr++ ){
      sprintf( str , "#%d" , nvals+ibr ) ;
      dblk->brick_lab[nvals+ibr] = NULL ;
      THD_store_datablock_label( dblk , nvals+ibr , str ) ;
   }

   /** keywords **/

   if( dblk->brick_keywords == NULL )
      THD_init_datablock_keywords( dblk ) ;
   else
      dblk->brick_keywords = (char **) XtRealloc( (char *) dblk->brick_keywords ,
                                                  sizeof(char *) * new_nvals ) ;
   for( ibr=0 ; ibr < nbr ; ibr++ ){
      dblk->brick_keywords[nvals+ibr] = NULL ;
      THD_store_datablock_keywords( dblk , nvals+ibr , NULL ) ;
   }

   /** stataux **/

   if( dblk->brick_statcode != NULL ){
      dblk->brick_statcode = (int *) XtRealloc( (char *) dblk->brick_statcode ,
                                                sizeof(int) * new_nvals        ) ;
      dblk->brick_stataux  = (float **) XtRealloc( (char *) dblk->brick_stataux ,
                                                   sizeof(float *) * new_nvals ) ;

      for( ibr=0 ; ibr < nbr ; ibr++ ){
         dblk->brick_statcode[nvals+ibr] = 0 ;
         dblk->brick_stataux[nvals+ibr]  = NULL ;
      }
   }

   /** fdrcurve **/

   if( dblk->brick_fdrcurve != NULL ){
     dblk->brick_fdrcurve = (floatvec **) realloc( (void *)dblk->brick_fdrcurve ,
                                                  sizeof(floatvec *) * new_nvals ) ;
     for( ibr=0 ; ibr < nbr ; ibr++ ) dblk->brick_fdrcurve[nvals+ibr] = NULL ;
   }

   if( dblk->brick_mdfcurve != NULL ){  /* 22 Oct 2008 */
     dblk->brick_mdfcurve = (floatvec **) realloc( (void *)dblk->brick_mdfcurve ,
                                                  sizeof(floatvec *) * new_nvals ) ;
     for( ibr=0 ; ibr < nbr ; ibr++ ) dblk->brick_mdfcurve[nvals+ibr] = NULL ;
   }

   EXRETURN;
}
Example #9
0
int main( int argc , char *argv[] )
{
   int nx,ny,nz , nxyz , ii,kk , num1,num2 , num_tt=0 , iv ,
       piece , fim_offset;
   float dx,dy,dz , dxyz ,
         num1_inv=0.0 , num2_inv , num1m1_inv=0.0 , num2m1_inv , dof ,
         dd,tt,q1,q2 , f1,f2 , tt_max=0.0 ;
   THD_3dim_dataset *dset=NULL , *new_dset=NULL ;
   THD_3dim_dataset * base_dset;
   float *av1 , *av2 , *sd1 , *sd2 , *ffim , *gfim ;
   float *base_ary=NULL;

   void  *vsp ;
   void  *vdif ;           /* output mean difference */
   char  cbuf[THD_MAX_NAME] ;
   float fbuf[MAX_STAT_AUX] , fimfac ;
   int   output_datum ;
   float npiece , memuse ;

   float *dofbrik=NULL , *dofar=NULL ;
   THD_3dim_dataset *dof_dset=NULL ;

   /*-- read command line arguments --*/

   if( argc < 2 || strncmp(argv[1],"-help",5) == 0 ) TT_syntax(NULL) ;

   /*-- 20 Apr 2001: addto the arglist, if user wants to [RWCox] --*/

   mainENTRY("3dttest main"); machdep() ; PRINT_VERSION("3dttest") ;
   INFO_message("For most purposes, 3dttest++ should be used instead of 3dttest!") ;

   { int new_argc ; char ** new_argv ;
     addto_args( argc , argv , &new_argc , &new_argv ) ;
     if( new_argv != NULL ){ argc = new_argc ; argv = new_argv ; }
   }

   AFNI_logger("3dttest",argc,argv) ;

   TT_read_opts( argc , argv ) ;

   if( ! TT_be_quiet )
      printf("3dttest: t-tests of 3D datasets, by RW Cox\n") ;

   /*-- read first dataset in set2 to get dimensions, etc. --*/

   dset = THD_open_dataset( TT_set2->ar[0] ) ;  /* 20 Dec 1999  BDW */
   if( ! ISVALID_3DIM_DATASET(dset) )
     ERROR_exit("Unable to open dataset file %s",TT_set2->ar[0]);

   nx = dset->daxes->nxx ;
   ny = dset->daxes->nyy ;
   nz = dset->daxes->nzz ;         nxyz = nx * ny * nz ;
   dx = fabs(dset->daxes->xxdel) ;
   dy = fabs(dset->daxes->yydel) ;
   dz = fabs(dset->daxes->zzdel) ; dxyz = dx * dy * dz ;

#ifdef TTDEBUG
printf("*** nx=%d ny=%d nz=%d\n",nx,ny,nz) ;
#endif

   /*-- make an empty copy of this dataset, for eventual output --*/

#ifdef TTDEBUG
printf("*** making empty dataset\n") ;
#endif

   new_dset = EDIT_empty_copy( dset ) ;

   tross_Make_History( "3dttest" , argc,argv , new_dset ) ;

   strcpy( cbuf , dset->self_name ) ; strcat( cbuf , "+TT" ) ;

   iv = DSET_PRINCIPAL_VALUE(dset) ;

   if( TT_datum >= 0 ){
      output_datum = TT_datum ;
   } else {
      output_datum = DSET_BRICK_TYPE(dset,iv) ;
      if( output_datum == MRI_byte ) output_datum = MRI_short ;
   }

#ifdef TTDEBUG
printf(" ** datum = %s\n",MRI_TYPE_name[output_datum]) ;
#endif

   iv = EDIT_dset_items( new_dset ,
                           ADN_prefix , TT_prefix ,
                           ADN_label1 , TT_prefix ,
                           ADN_directory_name , TT_session ,
                           ADN_self_name , cbuf ,
                           ADN_type , ISHEAD(dset) ? HEAD_FUNC_TYPE : GEN_FUNC_TYPE ,
                           ADN_func_type , FUNC_TT_TYPE ,
                           ADN_nvals , FUNC_nvals[FUNC_TT_TYPE] ,
                           ADN_ntt , 0 ,                           /* 07 Jun 2007 */
                           ADN_datum_all , output_datum ,
                         ADN_none ) ;

   if( iv > 0 )
     ERROR_exit("%d errors in attempting to create output dataset!",iv ) ;

   if( THD_deathcon() && THD_is_file(new_dset->dblk->diskptr->header_name) )
      ERROR_exit(
              "Output dataset file %s already exists--cannot continue!\a",
              new_dset->dblk->diskptr->header_name ) ;

#ifdef TTDEBUG
printf("*** deleting exemplar dataset\n") ;
#endif

   THD_delete_3dim_dataset( dset , False ) ; dset = NULL ;

/** macro to test a malloc-ed pointer for validity **/

#define MTEST(ptr) \
   if((ptr)==NULL) \
      ( fprintf(stderr,"*** Cannot allocate memory for statistics!\n"), exit(0) )

   /*-- make space for the t-test computations --*/

   /* (allocate entire volumes) 13 Dec 2005 [rickr] */
                              npiece  = 3.0 ;  /* need at least this many */
   if( TT_paired )            npiece += 1.0 ;
   else if( TT_set1 != NULL ) npiece += 2.0 ;

   npiece += mri_datum_size(output_datum) / (float) sizeof(float) ;
   npiece += mri_datum_size(output_datum) / (float) sizeof(float) ;

#if 0
   piece_size = TT_workmem * MEGA / ( npiece * sizeof(float) ) ;
   if( piece_size > nxyz ) piece_size = nxyz ;

#ifdef TTDEBUG
printf("*** malloc-ing space for statistics: %g float arrays of length %d\n",
       npiece,piece_size) ;
#endif
#endif

   av2  = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(av2) ;
   sd2  = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(sd2) ;
   ffim = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(ffim) ;
   num2 = TT_set2->num ;

   if( TT_paired ){
      av1  = sd1 = NULL ;
      gfim = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(gfim) ;
      num1 = num2 ;
   } else if( TT_set1 != NULL ){
      av1  = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(av1) ;
      sd1  = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(sd1) ;
      gfim = NULL ;
      num1 = TT_set1->num ;
   } else {
      av1  = sd1 = NULL ;
      gfim = NULL ;
      num1 = 0 ;
   }

   vdif = (void *) malloc( mri_datum_size(output_datum) * nxyz ) ; MTEST(vdif) ;
   vsp  = (void *) malloc( mri_datum_size(output_datum) * nxyz ) ; MTEST(vsp)  ;

   /* 27 Dec 2002: make DOF dataset (if prefix is given, and unpooled is on) */

   if( TT_pooled == 0 && TT_dof_prefix[0] != '\0' ){
     dofbrik = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(dofbrik) ;

     dof_dset = EDIT_empty_copy( new_dset ) ;

     tross_Make_History( "3dttest" , argc,argv , dof_dset ) ;

     EDIT_dset_items( dof_dset ,
                       ADN_prefix , TT_dof_prefix ,
                       ADN_directory_name , TT_session ,
                       ADN_type , ISHEAD(dset) ? HEAD_FUNC_TYPE : GEN_FUNC_TYPE,
                       ADN_func_type , FUNC_BUCK_TYPE ,
                       ADN_nvals , 1 ,
                       ADN_datum_all , MRI_float ,
                      ADN_none ) ;

     if( THD_is_file(dof_dset->dblk->diskptr->header_name) )
        ERROR_exit(
                "-dof_prefix dataset file %s already exists--cannot continue!\a",
                dof_dset->dblk->diskptr->header_name ) ;

     EDIT_substitute_brick( dof_dset , 0 , MRI_float , dofbrik ) ;
   }

   /* print out memory usage to edify the user */

   if( ! TT_be_quiet ){
      memuse =    sizeof(float) * nxyz * npiece
              + ( mri_datum_size(output_datum) + sizeof(short) ) * nxyz ;

      if( dofbrik != NULL ) memuse += sizeof(float) * nxyz ;  /* 27 Dec 2002 */

      printf("--- allocated %d Megabytes memory for internal use (%d volumes)\n",
             (int)(memuse/MEGA), (int)npiece) ;
   }

   mri_fix_data_pointer( vdif , DSET_BRICK(new_dset,0) ) ;  /* attach bricks */
   mri_fix_data_pointer( vsp  , DSET_BRICK(new_dset,1) ) ;  /* to new dataset */

   /** only short and float are allowed for output **/
   if( output_datum != MRI_short && output_datum != MRI_float )
      ERROR_exit("Illegal output data type %d = %s",
                 output_datum , MRI_TYPE_name[output_datum] ) ;

   num2_inv = 1.0 / num2 ;  num2m1_inv = 1.0 / (num2-1) ;
   if( num1 > 0 ){
      num1_inv = 1.0 / num1 ;  num1m1_inv = 1.0 / (num1-1) ;
   }

   /*----- loop over pieces to process the input datasets with -----*/

/** macro to open a dataset and make it ready for processing **/

#define DOPEN(ds,name)                                                            \
   do{ int pv ; (ds) = THD_open_dataset((name)) ;  /* 16 Sep 1999 */              \
       if( !ISVALID_3DIM_DATASET((ds)) )                                          \
          ERROR_exit("Can't open dataset: %s",(name)) ;                           \
       if( (ds)->daxes->nxx!=nx || (ds)->daxes->nyy!=ny || (ds)->daxes->nzz!=nz ) \
          ERROR_exit("Axes size mismatch: %s",(name)) ;                           \
       if( !EQUIV_GRIDS((ds),new_dset) )                                          \
          WARNING_message("Grid mismatch: %s",(name)) ;                           \
       if( DSET_NUM_TIMES((ds)) > 1 )                                             \
         ERROR_exit("Can't use time-dependent data: %s",(name)) ;                 \
       if( TT_use_editor ) EDIT_one_dataset( (ds), &TT_edopt ) ;                  \
       else                DSET_load((ds)) ;                                      \
       pv = DSET_PRINCIPAL_VALUE((ds)) ;                                          \
       if( DSET_ARRAY((ds),pv) == NULL )                                          \
          ERROR_exit("Can't access data: %s",(name)) ;                            \
       if( DSET_BRICK_TYPE((ds),pv) == MRI_complex )                              \
          ERROR_exit("Can't use complex data: %s",(name)) ;                       \
       break ; } while (0)

#if 0   /* can do it directly now (without offsets)  13 Dec 2005 [rickr] */
/** macro to return pointer to correct location in brick for current processing **/

#define SUB_POINTER(ds,vv,ind,ptr)                                            \
   do{ switch( DSET_BRICK_TYPE((ds),(vv)) ){                                  \
         default: ERROR_exit("Illegal datum! ***");                           \
            case MRI_short:{ short * fim = (short *) DSET_ARRAY((ds),(vv)) ;  \
                            (ptr) = (void *)( fim + (ind) ) ;                 \
            } break ;                                                         \
            case MRI_byte:{ byte * fim = (byte *) DSET_ARRAY((ds),(vv)) ;     \
                            (ptr) = (void *)( fim + (ind) ) ;                 \
            } break ;                                                         \
            case MRI_float:{ float * fim = (float *) DSET_ARRAY((ds),(vv)) ;  \
                             (ptr) = (void *)( fim + (ind) ) ;                \
            } break ; } break ; } while(0)
#endif

   /** number of pieces to process **/
   /* num_piece = (nxyz + piece_size - 1) / nxyz ; */

#if 0
   nice(2) ;  /** lower priority a little **/
#endif


   /* possibly open TT_base_dset now, and convert to floats */
   if( TT_base_dname ) {
      DOPEN(base_dset, TT_base_dname) ;
      base_ary = (float *) malloc( sizeof(float) * nxyz ) ; MTEST(base_ary) ;
      EDIT_coerce_scale_type(nxyz , DSET_BRICK_FACTOR(base_dset,0) ,
              DSET_BRICK_TYPE(base_dset,0),DSET_ARRAY(base_dset,0), /* input */
              MRI_float ,base_ary  ) ;                              /* output */
      THD_delete_3dim_dataset( base_dset , False ) ; base_dset = NULL ;
   }

   /* only 1 'piece' now   13 Dec 2005 [rickr] */
   for( piece=0 ; piece < 1 ; piece++ ){

      fim_offset = 0 ;

#ifdef TTDEBUG
printf("*** start of piece %d: length=%d offset=%d\n",piece,nxyz,fim_offset) ;
#else
      if( ! TT_be_quiet ){
         printf("--- starting piece %d/%d (%d voxels) ",piece+1,1,nxyz) ;
         fflush(stdout) ;
      }
#endif

      /** process set2 (and set1, if paired) **/

      for( ii=0 ; ii < nxyz ; ii++ ) av2[ii] = 0.0 ;
      for( ii=0 ; ii < nxyz ; ii++ ) sd2[ii] = 0.0 ;

      for( kk=0 ; kk < num2 ; kk++ ){

         /** read in the data **/

         DOPEN(dset,TT_set2->ar[kk]) ;
         iv = DSET_PRINCIPAL_VALUE(dset) ;

#ifndef TTDEBUG
         if( ! TT_be_quiet ){ printf(".") ; fflush(stdout) ; }  /* progress */
#else
         printf(" ** opened dataset file %s\n",TT_set2->ar[kk]);
#endif

#if 0 /* fimfac will be compute when the results are ready */
         if( piece == 0 && kk == 0 ){
            fimfac = DSET_BRICK_FACTOR(dset,iv) ;
            if( fimfac == 0.0 ) fimfac = 1.0 ;
            fimfacinv = 1.0 / fimfac ;
#ifdef TTDEBUG
printf(" ** set fimfac = %g\n",fimfac) ;
#endif
         }
#endif

         /** convert it to floats (in ffim) **/
         EDIT_coerce_scale_type(nxyz , DSET_BRICK_FACTOR(dset,iv) ,
                                DSET_BRICK_TYPE(dset,iv),DSET_ARRAY(dset,iv), /* input */
                                MRI_float ,ffim  ) ;                         /* output */
         THD_delete_3dim_dataset( dset , False ) ; dset = NULL ;

         /** get the paired dataset, if present **/

         if( TT_paired ){
            DOPEN(dset,TT_set1->ar[kk]) ;
            iv = DSET_PRINCIPAL_VALUE(dset) ;

#ifndef TTDEBUG
         if( ! TT_be_quiet ){ printf(".") ; fflush(stdout) ; }  /* progress */
#else
        printf(" ** opened dataset file %s\n",TT_set1->ar[kk]);
#endif

            EDIT_coerce_scale_type(
                        nxyz , DSET_BRICK_FACTOR(dset,iv) ,
                        DSET_BRICK_TYPE(dset,iv),DSET_ARRAY(dset,iv), /* input */
                        MRI_float ,gfim  ) ;                         /* output */
            THD_delete_3dim_dataset( dset , False ) ; dset = NULL ;

            if( TT_voxel >= 0 )
              fprintf(stderr,"-- paired values #%02d: %f, %f\n",
                      kk,ffim[TT_voxel],gfim[TT_voxel]) ;

            for( ii=0 ; ii < nxyz ; ii++ ) ffim[ii] -= gfim[ii] ;
         } else if( TT_voxel >= 0 )
            fprintf(stderr,"-- set2 value #%02d: %f\n",kk,ffim[TT_voxel]);

#ifdef TTDEBUG
printf("  * adding into av2 and sd2\n") ;
#endif

         /* accumulate into av2 and sd2 */

         for( ii=0 ; ii < nxyz ; ii++ ){
            dd = ffim[ii] ; av2[ii] += dd ; sd2[ii] += dd * dd ;
         }

      }  /* end of loop over set2 datasets */

      /** form the mean and stdev of set2 **/

#ifdef TTDEBUG
printf(" ** forming mean and sigma of set2\n") ;
#endif

      for( ii=0 ; ii < nxyz ; ii++ ){
         av2[ii] *= num2_inv ;
         dd       = (sd2[ii] - num2*av2[ii]*av2[ii]) ;
         sd2[ii]  = (dd > 0.0) ? sqrt( num2m1_inv * dd ) : 0.0 ;
      }
      if( TT_voxel >= 0 )
         fprintf(stderr,"-- s2 mean = %g, sd = %g\n",
                 av2[TT_voxel],sd2[TT_voxel]) ;

      /** if set1 exists but is not paired with set2, process it now **/

      if( ! TT_paired && TT_set1 != NULL ){

         for( ii=0 ; ii < nxyz ; ii++ ) av1[ii] = 0.0 ;
         for( ii=0 ; ii < nxyz ; ii++ ) sd1[ii] = 0.0 ;

         for( kk=0 ; kk < num1 ; kk++ ){
            DOPEN(dset,TT_set1->ar[kk]) ;
            iv = DSET_PRINCIPAL_VALUE(dset) ;

#ifndef TTDEBUG
         if( ! TT_be_quiet ){ printf(".") ; fflush(stdout) ; }  /* progress */
#else
         printf(" ** opened dataset file %s\n",TT_set1->ar[kk]);
#endif

            EDIT_coerce_scale_type(
                                nxyz , DSET_BRICK_FACTOR(dset,iv) ,
                                DSET_BRICK_TYPE(dset,iv),DSET_ARRAY(dset,iv), /* input */
                                MRI_float ,ffim  ) ;                         /* output */
            THD_delete_3dim_dataset( dset , False ) ; dset = NULL ;

#ifdef TTDEBUG
printf("  * adding into av1 and sd1\n") ;
#endif

            for( ii=0 ; ii < nxyz ; ii++ ){
               dd = ffim[ii] ; av1[ii] += dd ; sd1[ii] += dd * dd ;
            }
            if( TT_voxel >= 0 )
               fprintf(stderr,"-- set1 value #%02d: %g\n",kk,ffim[TT_voxel]) ;
         }  /* end of loop over set1 datasets */

         /** form the mean and stdev of set1 **/

#ifdef TTDEBUG
printf(" ** forming mean and sigma of set1\n") ;
#endif

         for( ii=0 ; ii < nxyz ; ii++ ){
            av1[ii] *= num1_inv ;
            dd       = (sd1[ii] - num1*av1[ii]*av1[ii]) ;
            sd1[ii]  = (dd > 0.0) ? sqrt( num1m1_inv * dd ) : 0.0 ;
         }
         if( TT_voxel >= 0 )
            fprintf(stderr,"-- s1 mean = %g, sd = %g\n",
                    av1[TT_voxel], sd1[TT_voxel]) ;
      }  /* end of processing set1 by itself */

      /***** now form difference and t-statistic *****/

#ifndef TTDEBUG
         if( ! TT_be_quiet ){ printf("+") ; fflush(stdout) ; }  /* progress */
#else
         printf(" ** computing t-tests next\n") ;
#endif

#if 0 /* will do at end using EDIT_convert_dtype  13 Dec 2005 [rickr] */

      /** macro to assign difference value to correct type of array **/
#define DIFASS switch( output_datum ){                                        \
                 case MRI_short: sdar[ii] = (short) (fimfacinv*dd) ; break ;  \
                 case MRI_float: fdar[ii] = (float) dd             ; break ; }
#define TOP_SS  32700
#define TOP_TT (32700.0/FUNC_TT_SCALE_SHORT)

#endif

      if( TT_paired || TT_use_bval == 1 ){ /** case 1: paired estimate or 1-sample **/

        if( TT_paired || TT_n1 == 0 ){       /* the olde waye: 1 sample test */
          f2 = 1.0 / sqrt( (double) num2 ) ;
          for( ii=0 ; ii < nxyz ; ii++ ){
            av2[ii] -= (base_ary ? base_ary[ii] : TT_bval) ;  /* final mean */
            if( sd2[ii] > 0.0 ){
               num_tt++ ;
               tt      = av2[ii] / (f2 * sd2[ii]) ;
               sd2[ii] = tt;      /* final t-stat */

               tt = fabs(tt) ; if( tt > tt_max ) tt_max = tt ;
            } else {
               sd2[ii] = 0.0;
            }
          }
          if( TT_voxel >= 0 )
             fprintf(stderr,"-- paired/bval mean = %g, t = %g\n",
                     av2[TT_voxel], sd2[TT_voxel]) ;

        } else {  /* 10 Oct 2007: -sdn1 was used with -base1: 'two' sample test */
          f1 = (TT_n1-1.0) * (1.0/TT_n1 + 1.0/num2) / (TT_n1+num2-2.0) ;
          f2 = (num2 -1.0) * (1.0/TT_n1 + 1.0/num2) / (TT_n1+num2-2.0) ;
          for( ii=0 ; ii < nxyz ; ii++ ){
            av2[ii] -= (base_ary ? base_ary[ii] : TT_bval) ;  /* final mean */
            q1 = f1 * TT_sd1*TT_sd1 + f2 * sd2[ii]*sd2[ii] ;
            if( q1 > 0.0 ){
              num_tt++ ;
              tt = av2[ii] / sqrt(q1) ;
              sd2[ii] = tt ;      /* final t-stat */
              tt = fabs(tt) ; if( tt > tt_max ) tt_max = tt ;
            } else {
              sd2[ii] = 0.0 ;
            }
          }
        } /* end of -sdn1 special case */
#ifdef TTDEBUG
printf(" ** paired or bval test: num_tt = %d\n",num_tt) ;
#endif

      } else if( TT_pooled ){ /** case 2: unpaired 2-sample, pooled variance **/

         f1 = (num1-1.0) * (1.0/num1 + 1.0/num2) / (num1+num2-2.0) ;
         f2 = (num2-1.0) * (1.0/num1 + 1.0/num2) / (num1+num2-2.0) ;
         for( ii=0 ; ii < nxyz ; ii++ ){
            av2[ii] -= av1[ii] ;        /* final mean */
            q1 = f1 * sd1[ii]*sd1[ii] + f2 * sd2[ii]*sd2[ii] ;
            if( q1 > 0.0 ){
               num_tt++ ;
               tt = av2[ii] / sqrt(q1) ;
               sd2[ii] = tt ;      /* final t-stat */

               tt = fabs(tt) ; if( tt > tt_max ) tt_max = tt ;
            } else {
               sd2[ii] = 0.0 ;
            }
         }

         if( TT_voxel >= 0 )
            fprintf(stderr,"-- unpaired, pooled mean = %g, t = %g\n",
                    av2[TT_voxel], sd2[TT_voxel]) ;
#ifdef TTDEBUG
printf(" ** pooled test: num_tt = %d\n",num_tt) ;
#endif

      } else { /** case 3: unpaired 2-sample, unpooled variance **/
               /** 27 Dec 2002: modified to save DOF into dofar **/

         if( dofbrik != NULL ) dofar = dofbrik + fim_offset ;  /* 27 Dec 2002 */

         for( ii=0 ; ii < nxyz ; ii++ ){
            av2[ii] -= av1[ii] ;
            q1 = num1_inv * sd1[ii]*sd1[ii] ;
            q2 = num2_inv * sd2[ii]*sd2[ii] ;
            if( q1>0.0 && q2>0.0 ){               /* have positive variances? */
               num_tt++ ;
               tt = av2[ii] / sqrt(q1+q2) ;
               sd2[ii] = tt ;      /* final t-stat */

               tt = fabs(tt) ; if( tt > tt_max ) tt_max = tt ;

               if( dofar != NULL )                             /* 27 Dec 2002 */
                 dofar[ii] =  (q1+q2)*(q1+q2)
                            / (num1m1_inv*q1*q1 + num2m1_inv*q2*q2) ;
            } else {
               sd2[ii] = 0.0 ;
               if( dofar != NULL ) dofar[ii] = 1.0 ;           /* 27 Dec 2002 */
            }
         }

         if( TT_voxel >= 0 )
            fprintf(stderr,"-- unpaired, unpooled mean = %g, t = %g\n",
                    av2[TT_voxel], sd2[TT_voxel]) ;
#ifdef TTDEBUG
printf(" ** unpooled test: num_tt = %d\n",num_tt) ;
#endif
      }

#ifndef TTDEBUG
         if( ! TT_be_quiet ){ printf("\n") ; fflush(stdout) ; }
#endif

   }  /* end of loop over pieces of the input */

   if( TT_paired ){
      printf("--- Number of degrees of freedom = %d (paired test)\n",num2-1) ;
      dof = num2 - 1 ;
   } else if( TT_use_bval == 1 ){
      if( TT_n1 == 0 ){
        printf("--- Number of degrees of freedom = %d (1-sample test)\n",num2-1) ;
        dof = num2 - 1 ;
      } else {
        dof = TT_n1+num2-2 ;
        printf("--- Number of degrees of freedom = %d (-sdn1 2-sample test)\n",(int)dof) ;
      }
   } else {
      printf("--- Number of degrees of freedom = %d (2-sample test)\n",num1+num2-2) ;
      dof = num1+num2-2 ;
      if( ! TT_pooled )
         printf("    (For unpooled variance estimate, this is only approximate!)\n") ;
   }

   printf("--- Number of t-tests performed  = %d out of %d voxels\n",num_tt,nxyz) ;
   printf("--- Largest |t| value found      = %g\n",tt_max) ;

   kk = sizeof(ptable) / sizeof(float) ;
   for( ii=0 ; ii < kk ; ii++ ){
      tt = student_p2t( ptable[ii] , dof ) ;
      printf("--- Double sided tail p = %8f at t = %8f\n" , ptable[ii] , tt ) ;
   }

   /**----------------------------------------------------------------------**/
   /** now convert data to output format                13 Dec 2005 [rickr] **/

   /* first set mean */
   fimfac = EDIT_convert_dtype(nxyz , MRI_float,av2 , output_datum,vdif , 0.0) ;
   DSET_BRICK_FACTOR(new_dset, 0) = (fimfac != 0.0) ? 1.0/fimfac : 0.0 ;
   dd = fimfac; /* save for debug output */

   /* if output is of type short, limit t-stat magnitude to 32.7 */
   if( output_datum == MRI_short ){
     for( ii=0 ; ii < nxyz ; ii++ ){
       if     ( sd2[ii] >  32.7 ) sd2[ii] =  32.7 ;
       else if( sd2[ii] < -32.7 ) sd2[ii] = -32.7 ;
     }
   }

   fimfac = EDIT_convert_dtype(nxyz , MRI_float,sd2 , output_datum,vsp , 0.0) ;
   DSET_BRICK_FACTOR(new_dset, 1) = (fimfac != 0.0) ? 1.0/fimfac : 0.0 ;

#ifdef TTDEBUG
printf(" ** fimfac for mean, t-stat = %g, %g\n",dd, fimfac) ;
#endif
   /**----------------------------------------------------------------------**/

   INFO_message("Writing combined dataset into %s\n", DSET_BRIKNAME(new_dset) ) ;

   fbuf[0] = dof ;
   for( ii=1 ; ii < MAX_STAT_AUX ; ii++ ) fbuf[ii] = 0.0 ;
   (void) EDIT_dset_items( new_dset , ADN_stat_aux , fbuf , ADN_none ) ;

#if 0 /* factors already set */
   fbuf[0] = (output_datum == MRI_short && fimfac != 1.0 ) ? fimfac                    : 0.0 ;
   fbuf[1] = (output_datum == MRI_short                  ) ? 1.0 / FUNC_TT_SCALE_SHORT : 0.0 ;
   (void) EDIT_dset_items( new_dset , ADN_brick_fac , fbuf , ADN_none ) ;
#endif

   if( !AFNI_noenv("AFNI_AUTOMATIC_FDR") ) ii = THD_create_all_fdrcurves(new_dset) ;
   else                                    ii = 0 ;
   THD_load_statistics( new_dset ) ;
   THD_write_3dim_dataset( NULL,NULL , new_dset , True ) ;
   if( ii > 0 ) ININFO_message("created %d FDR curves in header",ii) ;

   if( dof_dset != NULL ){                                  /* 27 Dec 2002 */
     DSET_write( dof_dset ) ;
     WROTE_DSET( dof_dset ) ;
   }

   exit(0) ;
}
Example #10
0
THD_3dim_dataset * MAKER_4D_to_typed_fim( THD_3dim_dataset * old_dset ,
                                          char * new_prefix , int new_datum ,
                                          int ignore , int detrend ,
                                          generic_func * user_func ,
                                          void * user_data )
{
   THD_3dim_dataset * new_dset ;  /* output dataset */

   byte    ** bptr = NULL ;  /* one of these will be the array of */
   short   ** sptr = NULL ;  /* pointers to input dataset sub-bricks */
   float   ** fptr = NULL ;  /* (depending on input datum type) */
   complex ** cptr = NULL ;

   float * fxar = NULL ;  /* array loaded from input dataset */
   float * fac  = NULL ;  /* array of brick scaling factors */
   float * fout = NULL ;  /* will be array of output floats */
   float * dtr  = NULL ;  /* will be array of detrending coeff */

   float val , d0fac , d1fac , x0,x1;
   double tzero=0 , tdelta , ts_mean , ts_slope ;
   int   ii , old_datum , nuse , use_fac , iz,izold, nxy,nvox , nbad ;
   register int kk ;

   void (*ufunc)(double,double,int,float *,double,double,void *,float *)
     = (void (*)(double,double,int,float *,double,double,void *,float *)) user_func ;

   /*----------------------------------------------------------*/
   /*----- Check inputs to see if they are reasonable-ish -----*/

   if( ! ISVALID_3DIM_DATASET(old_dset) ) return NULL ;

   if( new_datum >= 0         &&
       new_datum != MRI_byte  &&
       new_datum != MRI_short &&
       new_datum != MRI_float   ) return NULL ;

   if( user_func == NULL ) return NULL ;

   if( ignore < 0 ) ignore = 0 ;

   /*--------- set up pointers to each sub-brick in the input dataset ---------*/

   old_datum = DSET_BRICK_TYPE( old_dset , 0 ) ;   /* get old dataset datum */
   nuse      = DSET_NUM_TIMES(old_dset) - ignore ; /* # of points on time axis */
   if( nuse < 2 ) return NULL ;

   if( new_datum < 0 ) new_datum = old_datum ;   /* output datum = input */
   if( new_datum == MRI_complex ) return NULL ;  /* but complex = bad news */

   DSET_load( old_dset ) ;  /* must be in memory before we get pointers to it */

   kk = THD_count_databricks( old_dset->dblk ) ;  /* check if it was */
   if( kk < DSET_NVALS(old_dset) ){               /* loaded correctly */
      DSET_unload( old_dset ) ;
      return NULL ;
   }

   switch( old_datum ){  /* pointer type depends on input datum type */

      default:                      /** don't know what to do **/
         DSET_unload( old_dset ) ;
         return NULL ;

      /** create array of pointers into old dataset sub-bricks **/

      /*--------- input is bytes ----------*/
      /* voxel #i at time #k is bptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_byte:
         bptr = (byte **) malloc( sizeof(byte *) * nuse ) ;
         if( bptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            bptr[kk] = (byte *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is shorts ---------*/
      /* voxel #i at time #k is sptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_short:
         sptr = (short **) malloc( sizeof(short *) * nuse ) ;
         if( sptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            sptr[kk] = (short *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is floats ---------*/
      /* voxel #i at time #k is fptr[k][i] */
      /* for i=0..nvox-1 and k=0..nuse-1.  */

      case MRI_float:
         fptr = (float **) malloc( sizeof(float *) * nuse ) ;
         if( fptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            fptr[kk] = (float *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

      /*--------- input is complex ---------*/
      /* voxel #i at time #k is cptr[k][i]  */
      /* for i=0..nvox-1 and k=0..nuse-1.   */

      case MRI_complex:
         cptr = (complex **) malloc( sizeof(complex *) * nuse ) ;
         if( cptr == NULL ) return NULL ;
         for( kk=0 ; kk < nuse ; kk++ )
            cptr[kk] = (complex *) DSET_ARRAY(old_dset,kk+ignore) ;
      break ;

   } /* end of switch on input type */

   /*---- allocate space for 1 voxel timeseries ----*/

   fxar = (float *) malloc( sizeof(float) * nuse ) ;   /* voxel timeseries */
   if( fxar == NULL ){ FREE_WORKSPACE ; return NULL ; }

   /*--- get scaling factors for sub-bricks ---*/

   fac = (float *) malloc( sizeof(float) * nuse ) ;   /* factors */
   if( fac == NULL ){ FREE_WORKSPACE ; return NULL ; }

   use_fac = 0 ;
   for( kk=0 ; kk < nuse ; kk++ ){
      fac[kk] = DSET_BRICK_FACTOR(old_dset,kk+ignore) ;
      if( fac[kk] != 0.0 ) use_fac++ ;
      else                 fac[kk] = 1.0 ;
   }
   if( !use_fac ) FREEUP(fac) ;

   /*--- setup for detrending ---*/

   dtr = (float *) malloc( sizeof(float) * nuse ) ;
   if( dtr == NULL ){ FREE_WORKSPACE ; return NULL ; }

   d0fac = 1.0 / nuse ;
   d1fac = 12.0 / nuse / (nuse*nuse - 1.0) ;
   for( kk=0 ; kk < nuse ; kk++ )
      dtr[kk] = kk - 0.5 * (nuse-1) ;  /* linear trend, orthogonal to 1 */

   /*---------------------- make a new dataset ----------------------*/

   new_dset = EDIT_empty_copy( old_dset ) ; /* start with copy of old one */

   /*-- edit some of its internal parameters --*/

   ii = EDIT_dset_items(
           new_dset ,
              ADN_prefix      , new_prefix ,           /* filename prefix */
              ADN_malloc_type , DATABLOCK_MEM_MALLOC , /* store in memory */
              ADN_datum_all   , new_datum ,            /* atomic datum */
              ADN_nvals       , 1 ,                    /* # sub-bricks */
              ADN_ntt         , 0 ,                    /* # time points */
              ADN_type        , ISHEAD(old_dset)       /* dataset type */
                                 ? HEAD_FUNC_TYPE
                                 : GEN_FUNC_TYPE ,
              ADN_func_type   , FUNC_FIM_TYPE ,        /* function type */
           ADN_none ) ;

   if( ii != 0 ){
      ERROR_message("Error creating dataset '%s'",new_prefix) ;
      THD_delete_3dim_dataset( new_dset , False ) ;  /* some error above */
      FREE_WORKSPACE ; return NULL ;
   }

   /*------ make floating point output brick
            (only at the end will scale to byte or shorts) ------*/

   nvox = old_dset->daxes->nxx * old_dset->daxes->nyy * old_dset->daxes->nzz ;

   fout = (float *) malloc( sizeof(float) * nvox ) ;  /* ptr to brick */

   if( fout == NULL ){
      THD_delete_3dim_dataset( new_dset , False ) ;
      FREE_WORKSPACE ; return NULL ;
   }

   /*----- set up to find time at each voxel -----*/

   tdelta = old_dset->taxis->ttdel ;
   if( DSET_TIMEUNITS(old_dset) == UNITS_MSEC_TYPE ) tdelta *= 0.001 ;
   if( tdelta == 0.0 ) tdelta = 1.0 ;

   izold  = -666 ;
   nxy    = old_dset->daxes->nxx * old_dset->daxes->nyy ;

   /*----------------------------------------------------*/
   /*----- Setup has ended.  Now do some real work. -----*/

   /* start notification */

#if 0
   user_func(  0.0 , 0.0 , nvox , NULL,0.0,0.0 , user_data , NULL ) ;
#else
   ufunc(  0.0 , 0.0 , nvox , NULL,0.0,0.0 , user_data , NULL ) ;
#endif

   /***** loop over voxels *****/

   for( ii=0 ; ii < nvox ; ii++  ){  /* 1 time series at a time */

      /*** load data from input dataset, depending on type ***/

      switch( old_datum ){

         /*** input = bytes ***/

         case MRI_byte:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = bptr[kk][ii] ;
         break ;

         /*** input = shorts ***/

         case MRI_short:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = sptr[kk][ii] ;
         break ;

         /*** input = floats ***/

         case MRI_float:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = fptr[kk][ii] ;
         break ;

         /*** input = complex (note we use absolute value) ***/

         case MRI_complex:
            for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] = CABS(cptr[kk][ii]) ;
         break ;

      } /* end of switch over input type */

      /*** scale? ***/

      if( use_fac )
         for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] *= fac[kk] ;

      /** compute mean and slope **/

      x0 = x1 = 0.0 ;
      for( kk=0 ; kk < nuse ; kk++ ){
         x0 += fxar[kk] ; x1 += fxar[kk] * dtr[kk] ;
      }

      x0 *= d0fac ; x1 *= d1fac ;  /* factors to remove mean and trend */

      ts_mean  = x0 ;
      ts_slope = x1 / tdelta ;

      /** detrend? **/

      if( detrend )
         for( kk=0 ; kk < nuse ; kk++ ) fxar[kk] -= (x0 + x1 * dtr[kk]) ;

      /** compute start time of this timeseries **/

      iz = ii / nxy ;    /* which slice am I in? */

      if( iz != izold ){          /* in a new slice? */
         tzero = THD_timeof( ignore ,
                             old_dset->daxes->zzorg
                           + iz*old_dset->daxes->zzdel , old_dset->taxis ) ;
         izold = iz ;

         if( DSET_TIMEUNITS(old_dset) == UNITS_MSEC_TYPE ) tzero *= 0.001 ;
      }

      /*** compute output ***/

#if 0
      user_func( tzero,tdelta , nuse,fxar,ts_mean,ts_slope , user_data , fout+ii ) ;
#else
      ufunc( tzero,tdelta , nuse,fxar,ts_mean,ts_slope , user_data , fout+ii ) ;
#endif

   } /* end of outer loop over 1 voxels at a time */

   DSET_unload( old_dset ) ;  /* don't need this no more */

   /* end notification */

#if 0
   user_func( 0.0 , 0.0 , 0 , NULL,0.0,0.0 , user_data , NULL ) ;
#else
   ufunc( 0.0 , 0.0 , 0 , NULL,0.0,0.0 , user_data , NULL ) ;
#endif

   nbad = thd_floatscan( nvox , fout ) ;  /* 08 Aug 2000 */
   if( nbad > 0 )
      fprintf(stderr,
              "++ Warning: %d bad floats computed in MAKER_4D_to_typed_fim\n\a",
              nbad ) ;

   /*------------------------------------------------------------*/
   /*------- The output is now in fout[ii], ii=0..nvox-1.
             We must now put this into the output dataset -------*/

   switch( new_datum ){

      /*** output is floats is the simplest:
           we just have to attach the fout brick to the dataset ***/

      case MRI_float:
         EDIT_substitute_brick( new_dset , 0 , MRI_float , fout ) ;
         fout = NULL ;  /* so it won't be freed later */
      break ;

      /*** output is shorts:
           we have to create a scaled sub-brick from fout ***/

      case MRI_short:{
         short * bout ;
         float sfac ;

         /*-- get output sub-brick --*/

         bout = (short *) malloc( sizeof(short) * nvox ) ;
         if( bout == NULL ){
            fprintf(stderr,
             "\nFinal malloc error in MAKER_4D_to_fim - is memory exhausted?\n\a");
            EXIT(1) ;
         }

         /*-- find scaling and then scale --*/

         sfac = MCW_vol_amax( nvox,1,1 , MRI_float , fout ) ;
         if( sfac > 0.0 ){
            sfac = 32767.0 / sfac ;
            EDIT_coerce_scale_type( nvox,sfac ,
                                    MRI_float,fout , MRI_short,bout ) ;
            sfac = 1.0 / sfac ;
         }

         /*-- put output brick into dataset, and store scale factor --*/

         EDIT_substitute_brick( new_dset , 0 , MRI_short , bout ) ;
         EDIT_dset_items( new_dset , ADN_brick_fac , &sfac , ADN_none ) ;
      }
      break ;

      /*** output is bytes (byte = unsigned char)
           we have to create a scaled sub-brick from fout ***/

      case MRI_byte:{
         byte * bout ;
         float sfac ;

         /*-- get output sub-brick --*/

         bout = (byte *) malloc( sizeof(byte) * nvox ) ;
         if( bout == NULL ){
            fprintf(stderr,
             "\nFinal malloc error in MAKER_4D_to_fim - is memory exhausted?\n\a");
            EXIT(1) ;
         }

         /*-- find scaling and then scale --*/

         sfac = MCW_vol_amax( nvox,1,1 , MRI_float , fout ) ;
         if( sfac > 0.0 ){
            sfac = 255.0 / sfac ;
            EDIT_coerce_scale_type( nvox,sfac ,
                                    MRI_float,fout , MRI_byte,bout ) ;
            sfac = 1.0 / sfac ;
         }

         /*-- put output brick into dataset, and store scale factor --*/

         EDIT_substitute_brick( new_dset , 0 , MRI_byte , bout ) ;
         EDIT_dset_items( new_dset , ADN_brick_fac , &sfac , ADN_none ) ;
      }
      break ;

   } /* end of switch on output data type */

   /*-------------- Cleanup and go home ----------------*/

   FREE_WORKSPACE ;
   return new_dset ;
}
Example #11
0
int RIC_CorrectDataset(THD_3dim_dataset * dset, MRI_IMAGE * phase,
		       const double * a, const double * b,
		       int M, int ignore) {

    float scalefactor;         /* Scaling factor for current dset brick */
    int ival, nvals;           /* Current, number of dset timepoints */
    int ivox, nvoxs;           /* Current, number of voxels in dset subbrick */
    float * pdata;             /* Phase data */
    int m;                     /* Current order number (1, M) */
    double mp, cmp, smp;       /* m * phase; cos(mp); sin(mp) */
    double sampd;              /* Intersample time in ms for phase */
    double slicetime;          /* Time of current slice in milliseconds */
    int slicestart;            /* Voxel index of 1st voxel in current slice */
    int sliceend;              /* End voxel index of current slice */
    int icoeff, ncoeffs;       /* Current, number of a,b coefficients */
    int islice, nslices;       /* Current, number of slices in a subbrick */
    int nvoxpers;              /* The number of voxels per slice */

    /* Quick check of arguments */
    if (!ISVALID_3DIM_DATASET(dset) || DSET_NVALS(dset) < 1 ||
	!ISVALID_TIMEAXIS(dset->taxis) ||
	phase == NULL || phase->nx < 1 || phase->ny != 1 ||
	a == NULL || b == NULL || M < 1 ||
	ignore < 0 || ignore >= DSET_NVALS(dset)) {

	return -1;
    }

    /* Initialize */
    DSET_load(dset);
    nvals = DSET_NVALS(dset);
    nvoxpers = dset->daxes->nxx * dset->daxes->nyy;
    nslices = dset->daxes->nzz;
    nvoxs = nvoxpers * nslices;
    ncoeffs = nvoxs * M;
    sampd = dset->taxis->ttdel * nvals / phase->nx;
    switch (dset->taxis->units_type) {
    case UNITS_MSEC_TYPE: break;
    case UNITS_SEC_TYPE:  sampd *= 1000; break;
    case UNITS_HZ_TYPE:   sampd = 1000 / sampd; break;
    default: return -1;
    }
    pdata = MRI_FLOAT_PTR(phase);

    /* Correct each subbrick in dset */
    /* Iterate over dset timepoints (TRs) => BRIK read from disk once */
    for (ival = ignore; ival < nvals; ival += 1) {
	scalefactor = DSET_BRICK_FACTOR(dset, ival);

	/* Apply each order of correction to each voxel of the subbrick */
	switch (DSET_BRICK_TYPE(dset, ival)) {
	case MRI_short:
	    RIC_CORRECTDATASET__DO_CORRECT(short);
	    break;
	case MRI_byte:
	    RIC_CORRECTDATASET__DO_CORRECT(byte);
	    break;
	case MRI_float:
	    RIC_CORRECTDATASET__DO_CORRECT(float);
	    break;
	default: /* Unsupported datatype */
	    return -1;
	}
    }

    return 0;
}
Example #12
0
int RIC_CalcCoeffAB(THD_3dim_dataset * dset, MRI_IMAGE * phase,
		    const double * avg, double ** a, double ** b,
		    int M, int ignore) {

    float scalefactor;         /* Scaling factor for current dset brick */
    int ival, nvals;           /* Current, number of dset timepoints */
    int ivox, nvoxs;           /* Current, number of voxels in dset subbrick */
    double * newa, * newb;     /* Coefficients a and b, to be calculated */
    float * pdata;             /* Phase data */
    int m;                     /* Current order number (1, M) */
    double mp, cmp, smp;       /* m * current phase; cos(mp); sin(mp) */
    double sampd;              /* Intersample time in ms for phase */
    double slicetime;          /* Time of current slice in milliseconds */
    int slicestart;            /* Voxel index of 1st voxel in current slice */
    int sliceend;              /* End voxel index of current slice */
    double * denoma, * denomb; /* Coeff denominators for each m and slice */
    int idenom, ndenoms;       /* Current, number of coeff denominators */
    int inumer, nnumers;       /* Current, number of coeff numerators */
    int islice, nslices;       /* Current, number of slices in a subbrick */
    int nvoxpers;              /* The number of voxels per slice */

    /* Quick check of arguments */
    if (!ISVALID_3DIM_DATASET(dset) || DSET_NVALS(dset) < 1 ||
	!ISVALID_TIMEAXIS(dset->taxis) ||
	phase == NULL || phase->nx < 1 || phase->ny != 1 ||
	avg == NULL || a == NULL || b == NULL || M < 1 ||
	ignore < 0 || ignore >= DSET_NVALS(dset)) {

	return -1;
    }

    /* Initialize */
    DSET_load(dset);
    nvals = DSET_NVALS(dset);
    nvoxpers = dset->daxes->nxx * dset->daxes->nyy;
    nslices = dset->daxes->nzz;
    nvoxs = nvoxpers * nslices;
    ndenoms = nslices * M;
    nnumers = nvoxs * M;
    sampd = dset->taxis->ttdel * nvals / phase->nx;
    switch (dset->taxis->units_type) {
    case UNITS_MSEC_TYPE: break;
    case UNITS_SEC_TYPE:  sampd *= 1000; break;
    case UNITS_HZ_TYPE:   sampd = 1000 / sampd; break;
    default: return -1;
    }
    pdata = MRI_FLOAT_PTR(phase);
    newa = malloc(sizeof(double) * nnumers);
    if (newa == NULL) {
	return -1;
    }
    newb = malloc(sizeof(double) * nnumers);
    if (newb == NULL) {
	free(newa);
	return -1;
    }
    for (inumer = 0; inumer < nnumers; inumer += 1) {
	newa[inumer] = 0.0; newb[inumer] = 0.0;
    }
    denoma = malloc(sizeof(double) * ndenoms);
    if (denoma == NULL) {
	free(newa); free(newb);
	return -1;
    }
    denomb = malloc(sizeof(double) * ndenoms);
    if (denomb == NULL) {
	free(newa); free(newb); free(denoma);
	return -1;
    }
    for (idenom = 0; idenom < ndenoms; idenom += 1) {
	denoma[idenom] = 0.0; denomb[idenom] = 0.0;
    }

    /* Calculate the coeff numerators and denominators */
    /* Iterate over dset timepoints (TRs) => BRIK read from disk once */
    for (ival = ignore; ival < nvals; ival += 1) {
	scalefactor = DSET_BRICK_FACTOR(dset, ival);

	/* Calculate coeff numerators and denominators over all data */
	switch (DSET_BRICK_TYPE(dset, ival)) {
	case MRI_short:
	    RIC_CALCCOEFFAB__DO_CALCNUMERDENOM(short);
	    break;
	case MRI_byte:
	    RIC_CALCCOEFFAB__DO_CALCNUMERDENOM(byte);
	    break;
	case MRI_float:
	    RIC_CALCCOEFFAB__DO_CALCNUMERDENOM(float);
	    break;
	default: /* Unsupported datatype */
	    free(newa); free(newb); free(denoma); free(denomb);
	    return -1;
	}
    }

    /* Divide the coeff numerators by their denominators */
    idenom = 0;
    inumer = 0;
    /* m loop outside voxel loop <- coeff arrays bigger than one volume */
    for (m = 1; m <= M; m += 1) {
	slicestart = 0;
	/* Iterate over slices */
	for (islice = 0; islice < nslices; islice += 1) {
	    sliceend = slicestart + nvoxpers;
	    /* Divide numerator by denominator */
	    for (ivox = slicestart; ivox < sliceend; ivox += 1) {
		newa[inumer] /= denoma[idenom];
		newb[inumer] /= denomb[idenom];
		inumer += 1;
	    }
	    slicestart = sliceend;
	    idenom += 1;
	}
    }

    *a = newa; *b = newb;
    free(denoma); free(denomb);
    return 0;
}
Example #13
0
THD_3dim_dataset * EDIT_full_copy( THD_3dim_dataset *dset , char *new_prefix )
{
   THD_3dim_dataset *new_dset ;
   int ival , ityp , nbytes , nvals ;
   void *new_brick , *old_brick ;

ENTRY("EDIT_full_copy") ;

   /*-- sanity check --*/

   if( ! ISVALID_3DIM_DATASET(dset) ) RETURN(NULL) ;

   /*-- make the empty copy --*/

   new_dset = EDIT_empty_copy( dset ) ;  /* copy is set to MALLOC memory */

   /*-- change its name? --*/

   if( new_prefix != NULL )
     EDIT_dset_items( new_dset ,
                        ADN_prefix , new_prefix ,
                        ADN_label1 , new_prefix ,
                      ADN_none ) ;

   /*-- make brick(s) for this dataset --*/

   if( !DSET_LOADED(dset) )
     DSET_load(dset) ;  /* make sure is in memory */

   nvals = DSET_NVALS(dset) ;

   for( ival=0 ; ival < nvals ; ival++ ){
     ityp      = DSET_BRICK_TYPE(new_dset,ival) ;   /* type of data */
     nbytes    = DSET_BRICK_BYTES(new_dset,ival) ;  /* how much data */
     new_brick = malloc( nbytes ) ;                 /* make room */

     if( new_brick == NULL ){
       THD_delete_3dim_dataset( new_dset , False ) ;
       RETURN(NULL) ;
     }

     EDIT_substitute_brick( new_dset , ival , ityp , new_brick ) ;

     /*-- copy data from old brick to new brick --*/

     old_brick = DSET_BRICK_ARRAY(dset,ival) ;

     if( old_brick == NULL ){
       THD_delete_3dim_dataset( new_dset , False ) ;
       RETURN(NULL) ;
     }

     memcpy( new_brick , old_brick , nbytes ) ;
   }

   if (0) { /* For DG to activate */
      THD_copy_labeltable_atr( new_dset->dblk,  dset->dblk);
   }
   
   RETURN( new_dset );
}
Example #14
0
void UC_read_opts( int argc , char * argv[] )
{
   int nopt = 1 ;
   float val ;
   int  kk, nxyz, mm,nn ;
   float * vv , * bb ;

   while( nopt < argc && argv[nopt][0] == '-' ){

      /**** -verbose ****/

      if( strncmp(argv[nopt],"-verbose",5) == 0 ){
         UC_be_quiet = 0 ;
         nopt++ ; continue ;
      }

      /**** -ref file.1D ****/

      if( strncmp(argv[nopt],"-ref",4) == 0 ){
         MRI_IMAGE * im ;
         nopt++ ;
         if( nopt >= argc ) UC_syntax("-ref needs an argument!") ;
         im = mri_read( argv[nopt] ) ;
         if( im == NULL ) UC_syntax("Can't read -ref file!") ;
         if( im->kind == MRI_float ){
            UC_ref = im ;
         } else {
            UC_ref = mri_to_float(im) ; mri_free(im) ;
         }
         im = mri_transpose(UC_ref) ; mri_free(UC_ref) ; UC_ref = im ;
         nopt++ ; continue ;
      }

      /**** -prefix prefix ****/

      if( strncmp(argv[nopt],"-prefix",6) == 0 ){
         nopt++ ;
         if( nopt >= argc ) UC_syntax("-prefix needs an argument!") ;
         MCW_strncpy( UC_prefix , argv[nopt++] , THD_MAX_PREFIX ) ;
         continue ;
      }

      /**** -mask mset ****/

      if( strncmp(argv[nopt],"-mask",5) == 0 ){
         THD_3dim_dataset * mset ; int ii ;
         nopt++ ;
         if( nopt >= argc ) UC_syntax("need arguments after -mask!") ;
         mset = THD_open_dataset( argv[nopt] ) ;
         if( mset == NULL ) UC_syntax("can't open -mask dataset!") ;
         UC_mask = THD_makemask( mset , 0 , 1.0,0.0 ) ;
         UC_mask_nvox = DSET_NVOX(mset) ;
         DSET_delete(mset) ;
         if( UC_mask == NULL ) UC_syntax("can't use -mask dataset!") ;
         UC_mask_hits = THD_countmask( UC_mask_nvox , UC_mask ) ;
         if( UC_mask_hits == 0 ) UC_syntax("mask is all zeros!") ;
         if( !UC_be_quiet ) printf("--- %d voxels in mask\n",UC_mask_hits) ;
         nopt++ ; continue ;
      }

      /**** unknown switch ****/

      fprintf(stderr,"\n*** unrecognized option %s\n",argv[nopt]) ;
      exit(1) ;

   }  /* end of loop over options */

   /*--- a simple consistency check ---*/

   /*--- last input is dataset name ---*/

   if( nopt >= argc ) UC_syntax("no input dataset name?") ;

   UC_dset = THD_open_dataset( argv[nopt] ) ;
   if( !ISVALID_3DIM_DATASET(UC_dset) ){
      fprintf(stderr,"\n*** can't open dataset file %s\n",argv[nopt]) ;
      exit(1) ;
   }

   nxyz = DSET_NVOX(UC_dset) ;
   if( UC_mask != NULL && nxyz != UC_mask_nvox )
      UC_syntax("mask and input dataset size mismatch!") ;

   /*--- load vectors ---*/

   UC_nvec = (UC_mask_hits > 0) ? UC_mask_hits : nxyz ;
   UC_vdim = DSET_NVALS(UC_dset) ;
   if( UC_vdim < 4 )
      UC_syntax("input dataset needs at least 4 sub-bricks!") ;

   if( UC_ref == NULL || UC_ref->nx < UC_vdim )
      UC_syntax("input ref not long enough for input dataset!") ;

   vv     = (float *) malloc( sizeof(float) * UC_nvec * UC_vdim ) ;
   UC_vec = (float **) malloc( sizeof(float *) * UC_nvec ) ;
   for( kk=0 ; kk < UC_nvec ; kk++ ) UC_vec[kk] = vv + (kk*UC_vdim) ;

   if( !UC_be_quiet ) printf("--- reading dataset\n") ;
   DSET_load(UC_dset) ;  CHECK_LOAD_ERROR(UC_dset) ;

   /* copy brick data into float storage */

   if( !UC_be_quiet ) printf("--- loading vectors\n") ;

   bb = (float *) malloc( sizeof(float) * nxyz ) ;
   for( mm=0 ; mm < UC_vdim ; mm++ ){

      EDIT_coerce_type( nxyz , DSET_BRICK_TYPE(UC_dset,mm) ,
                               DSET_ARRAY(UC_dset,mm) ,
                        MRI_float , bb ) ;

      DSET_unload_one( UC_dset , mm ) ;

      if( UC_mask == NULL ){
         for( kk=0 ; kk < nxyz ; kk++ ) UC_vec[kk][mm] = bb[kk] ;
      } else {
         for( nn=kk=0 ; kk < nxyz ; kk++ )
            if( UC_mask[kk] ) UC_vec[nn++][mm] = bb[kk] ;
      }
   }
   free(bb) ; DSET_unload( UC_dset ) ;

   /* detrend and normalize vectors */

   if( !UC_be_quiet ) printf("--- normalizing vectors\n") ;

   for( kk=0 ; kk < UC_nvec ; kk++ )
      normalize( UC_vdim , UC_vec[kk] ) ;

   for( kk=0 ; kk < UC_ref->ny ; kk++ )
      normalize( UC_vdim , MRI_FLOAT_PTR(UC_ref) + kk*UC_ref->nx ) ;

   return ;
}
Example #15
0
int main(int argc, char * argv[])
{
   char cphase1d[256] = "\0", rphase1d[256] = "\0";
   char new_prefix[THD_MAX_PREFIX] = TRIC_O_DEF_NEWPREFIX;
   MCW_idcode * idc ;
   THD_3dim_dataset * dset , * new_dset;
   double * avg = NULL;
   double * ca , * cb, * ra, * rb;
   MRI_IMAGE * card = NULL, * resp = NULL;
   MRI_IMAGE * cardphase = NULL, * respphase = NULL;
   float threshold = TRIC_C_DEF_THRESHOLD;
   int ignore = TRIC_I_DEF_IGNORE;
   int M = TRIC_M_DEF_ORDER;
   int winsize = TRIC_R_DEF_WINSIZE;
   float tr;
   int ival, nvals;
   FILE * fp;
   float * cpdata, * rpdata;
   int argi = 1;

   /*-------------------------------------------------------------*/
   /*----- Check arguments to see if they are reasonable-ish -----*/

   if (argc < 2 || strcmp(argv[1], "-help") == 0) {
       TRIC_printhelp();
       exit(-1);
   }

   mainENTRY("3dretroicor main"); PRINT_VERSION("3dretroicor") ;
   machdep();
   AFNI_logger("3dretroicor", argc, argv);

   /* Iterate over commandline args */
   while (argi < argc && argv[argi][0] == '-') {

       /*-- ignore --*/

       if (strcmp(argv[argi], "-ignore") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -ignore needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   ignore = atoi(argv[argi]);
	   if (ignore < 0) {
	       fprintf(stderr, "*** %i is not a valid number to ignore!\n",
		       ignore);
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- prefix --*/

       if (strcmp(argv[argi], "-prefix") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -prefix needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   MCW_strncpy(new_prefix, argv[argi], THD_MAX_PREFIX);
	   if (! THD_filename_ok(new_prefix)) {
	       fprintf(stderr, "*** %s is not a valid prefix!\n", new_prefix);
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- card --*/

       if (strcmp(argv[argi], "-card") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -card needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   card = mri_read_1D(argv[argi]);
	   if (card == NULL) {
	       fprintf(stderr, "*** Can't read -card %s\n", argv[argi]);
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- cardphase --*/

       if (strcmp(argv[argi], "-cardphase") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -cardphase needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   MCW_strncpy(cphase1d, argv[argi], 256);
	   if (! THD_filename_ok(cphase1d)) {
	       fprintf(stderr, "*** Bad name argument for -cardphase\n");
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- threshold --*/

       if (strcmp(argv[argi], "-threshold") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -threshold needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   threshold = atof(argv[argi]);
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- resp --*/

       if (strcmp(argv[argi], "-resp") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -resp needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   resp = mri_read_1D(argv[argi]);
	   if (resp == NULL) {
	       fprintf(stderr, "*** Can't read -resp %s\n", argv[argi]);
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- respphase --*/

       if (strcmp(argv[argi], "-respphase") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -respphase needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   MCW_strncpy(rphase1d, argv[argi], 256);
	   if (! THD_filename_ok(rphase1d)) {
	       fprintf(stderr, "*** Bad name argument for -respphase\n");
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }

       /*-- window --*/

       /*-- removed winsize ui --*/
#if 0
       if (strcmp(argv[argi], "-window") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -window needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   winsize = atoi(argv[argi]);
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }
#endif
       /*-- removed winsize ui --*/

       /*-- order --*/

       if (strcmp(argv[argi], "-order") == 0) {
	   if (argi + 1 >= argc) {
	       fprintf(stderr, "*** -order needs an argument!\n");
	       exit(1);
	   }
	   argi += 1;
	   M = atoi(argv[argi]);
	   if (M < 1) {
	       fprintf(stderr, "*** %i is not a valid order number\n", M);
	       exit(1);
	   }
	   argi += 1;
	   continue;  /* Skip the rest of the loop and go to the next arg */
       }
   } /* End iterating over commandline args */

   /* Check that at least one of Cardiac and Resp were selected */
   if (card == NULL && resp == NULL) {
       fprintf(stderr, "*** Need at least one correction (-card, -resp)\n");
       exit(1);
   }

   /*-- Open and check input dataset --*/

   if (argi >= argc) {
       fprintf(stderr, "*** No input dataset!?\n");
       exit(1);
   } else if (argi < argc - 1) {
       fprintf(stderr, "*** Too many input datasets?!\n");
       exit(1);
   }

   dset = THD_open_dataset(argv[argi]);
   if (! ISVALID_3DIM_DATASET(dset)) {
       fprintf(stderr, "*** Can't open dataset %s\n", argv[argi]);
       exit(1);
   }
   if (DSET_NUM_TIMES(dset) < 2) {
       fprintf(stderr, "*** Input dataset is not 3D+time!\n");
       exit(1);
   }

   /*----------------------------------------------------------*/
   /*---------- At this point, the inputs are OK-ish ----------*/

   /*-- copy the image data for editing in place --*/

   new_dset = EDIT_full_copy( dset , new_prefix );
   if( new_dset == NULL ) {
       fprintf(stderr, "*** Error copying dataset\n");
       exit(1);
   }
   tross_Copy_History(dset, new_dset); /* Copy and add to new_dset history */
   tross_Make_History("3dretroicor", argc, argv, new_dset);
   DSET_unload( dset ) ;  /* We won't need the old dataset anymore */

   /*-- calculate cardiac correction coefficients if requested --*/

   if (card != NULL) {
       /*-- convert cardiac waveform to phase --*/
       cardphase = RIC_ToCardiacPhase(card, threshold) ;
       if (cardphase == NULL) {
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   fprintf(stderr, "*** Error transforming cardiac data\n");
	   exit(2);
       }

       /*-- calculate dataset voxel means --*/
       avg = RIC_CalcVoxelMeans(new_dset, ignore);
       if (avg == NULL) {
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   mri_free(cardphase);
	   fprintf(stderr, "*** Error calculating dataset voxel means\n");
	   exit(2);
       }

       /*-- calculate coefficients for each voxel --*/
       if (RIC_CalcCoeffAB(new_dset, cardphase, avg, &ca, &cb, M, ignore)
	   != 0) {

	   THD_delete_3dim_dataset( new_dset , False ) ;
	   mri_free(cardphase);
	   fprintf(stderr, "*** Error calculating cardiac a b coefficients\n");
	   exit(2);
       }
   }

   /*-- calculate respiratory correction coefficients if requested --*/

   if (resp != NULL) {
       /*-- Set winsize to 1/2 sampling rate of resp in Hz --*/
       tr = new_dset->taxis->ttdel;
       switch (new_dset->taxis->units_type) {
       case UNITS_MSEC_TYPE: tr /= 1000; break;
       case UNITS_SEC_TYPE:  break;
       case UNITS_HZ_TYPE:   tr = 1 / tr; break;
       default:
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   fprintf(stderr, "*** Bad time units type in dataset\n");
	   exit(2);
       }
       winsize = ceil(resp->nx / (tr * DSET_NVALS(new_dset)) / 2.0);

       /*-- convert respiratory waveform to phase --*/
       respphase = RIC_ToRespPhase(resp, winsize) ;
       if (respphase == NULL) {
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   fprintf(stderr, "*** Error transforming resp data\n");
	   exit(2);
       }

       /*-- calculate dataset voxel means if not already done --*/
       if (avg == NULL) {
	   avg = RIC_CalcVoxelMeans(new_dset, ignore);
	   if (avg == NULL) {
	       THD_delete_3dim_dataset( new_dset , False ) ;
	       mri_free(respphase);
	       fprintf(stderr, "*** Error calculating dataset voxel means2\n");
	       exit(2);
	   }
       }

       /*-- calculate coefficients for each voxel --*/
       if (RIC_CalcCoeffAB(new_dset, respphase, avg, &ra, &rb, M, ignore)
	   != 0) {

	   THD_delete_3dim_dataset( new_dset , False ) ;
	   mri_free(respphase);
	   fprintf(stderr, "*** Error calculating resp a, b coefficients\n");
	   exit(2);
       }
   }

   /*-- do cardiac correction if requested --*/

   if (card != NULL) {
       /*-- correct the image data --*/
       if (RIC_CorrectDataset(new_dset, cardphase, ca, cb, M, ignore) != 0) {
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   mri_free(cardphase);
	   free(ca); free(cb);
	   fprintf(stderr, "*** Error applying cardiac correction\n");
	   exit(3);
       }

       /*-- if requested, write phase data to file and pass to AFNI --*/
       if ( THD_filename_ok(cphase1d) ) {
	   /* Write the file */
	   fp = fopen(cphase1d, "w");
	   nvals = cardphase->nx;
	   cpdata = MRI_FLOAT_PTR(cardphase);
	   for (ival = 0; ival < nvals; ival += 1) {
	       fprintf(fp, "%f\n", cpdata[ival]);
	   }
	   fclose(fp);
       }

       mri_free(cardphase);
       free(ca); free(cb); free(avg); avg = NULL;
   }

   /*-- do resp correction if requested --*/

   if (resp != NULL) {
       /*-- correct the image data --*/
       if (RIC_CorrectDataset(new_dset, respphase, ra, rb, M, ignore) != 0) {
	   THD_delete_3dim_dataset( new_dset , False ) ;
	   mri_free(respphase);
	   free(ra); free(rb);
	   fprintf(stderr, "*** Error applying resp correction\n");
	   exit(3);
       }

       /*-- if requested, write phase data to file and pass to AFNI --*/
       if ( THD_filename_ok(rphase1d) ) {
	   /* Write the file */
	   fp = fopen(rphase1d, "w");
	   nvals = respphase->nx;
	   rpdata = MRI_FLOAT_PTR(respphase);
	   for (ival = 0; ival < nvals; ival += 1) {
	       fprintf(fp, "%f\n", rpdata[ival]);
	   }
	   fclose(fp);
       }

       mri_free(respphase);
       free(ra); free(rb); if (avg != NULL) free(avg);
   }

   /*-- write out new dataset --*/

   if (DSET_write(new_dset) != False) {
      fprintf(stderr,"++ output dataset: %s\n",DSET_BRIKNAME(new_dset)) ;
      exit(0) ;
   } else {
      fprintf(stderr,
         "** 3dretroicor: Failed to write output!\n" ) ;
      exit(1) ;
   }

   /*-- done successfully!!! --*/

   exit(0);
}
Example #16
0
int EDIT_dset_items( THD_3dim_dataset *dset , ... )
{
   va_list vararg_ptr ;
   int     flag_arg , errnum = 0 ;
   int     redo_bricks , redo_daxes , redo_taxis , ii ;
   void   *dummy ;
   int     iarg ;
   static int ncall=0 ;  /* 20 Dec 2005 */

   /**----- variables to flag and store presence of arguments -----**/

   int new_prefix        = 0; char *            prefix         = NULL ;
   int new_directory_name= 0; char *            directory_name = NULL ;
   int new_brick_fac     = 0; float *           brick_fac      = NULL ;
   int new_malloc_type   = 0; int               malloc_type    = ILLEGAL_TYPE;
   int new_datum_all     = 0; int               datum_all      = ILLEGAL_TYPE;
   int new_datum_array   = 0; int *             datum_array    = NULL ;
   int new_nvals         = 0; int               nvals          = 0 ;
   int new_nxyz          = 0; THD_ivec3         nxyz           ;
   int new_xyzdel        = 0; THD_fvec3         xyzdel         ;
   int new_xyzorg        = 0; THD_fvec3         xyzorg         ;
   int new_xyzorient     = 0; THD_ivec3         xyzorient      ;
   int new_to_dicomm     = 0; THD_mat33         to_dicomm      ;
   int new_ntt           = 0; int               ntt            = 0 ;
   int new_ttorg         = 0; float             ttorg          = 0.0 ;
   int new_ttdel         = 0; float             ttdel          = 0.0 ;
   int new_ttdur         = 0; float             ttdur          = 0.0 ;
   int new_nsl           = 0; int               nsl            = 0 ;
   int new_zorg_sl       = 0; float             zorg_sl        = 0.0 ;
   int new_dz_sl         = 0; float             dz_sl          = 0.0 ;
   int new_toff_sl       = 0; float *           toff_sl        = NULL ;
   int new_type          = 0; int               type           = ILLEGAL_TYPE;
   int new_view_type     = 0; int               view_type      = ILLEGAL_TYPE;
   int new_func_type     = 0; int               func_type      = ILLEGAL_TYPE;
   int new_label1        = 0; char *            label1         = NULL ;
   int new_label2        = 0; char *            label2         = NULL ;
   int new_self_name     = 0; char *            self_name      = NULL ;
   int new_warp_parent   = 0; THD_3dim_dataset *warp_parent    = NULL ;
   int new_anat_parent   = 0; THD_3dim_dataset *anat_parent    = NULL ;
   int new_stat_aux      = 0; float *           stat_aux       = NULL ;
   int new_warp          = 0; THD_warp *        warp           = NULL ;
   int new_tunits        = 0; int               tunits         = ILLEGAL_TYPE;
   int new_keywords      = 0; char *            keywords       = NULL ;

   /* 30 Nov 1997 */

   int new_brick_label_one = 0 ; char * brick_label_one    = NULL ;
                                 int    brick_label_one_iv = -1 ;

   int new_brick_fac_one = 0 ; float brick_fac_one    = 0.0 ;
                               int   brick_fac_one_iv = -1 ;

   int new_brick_stataux_one = 0 ; float * brick_stataux_one    = NULL ;
                                   int     brick_stataux_one_iv = -1 ;

   int new_brick_keywords_one = 0 ; char * brick_keywords_one    = NULL ;
                                    int    brick_keywords_one_iv = -1 ;

   /* 19 Dec 2005 */

   int new_ijk_to_dicom = 0; mat44 ijk_to_dicom ;

   /* 14 July 2006 */
   int cmode = COMPRESS_NOFILE;   /* check compression mode for NIFTI separately */
    
   int new_smode=STORAGE_UNDEFINED; /* ZSS Feb 2012 */


   /****---------------------- Sanity Check ----------------------****/

ENTRY("EDIT_dset_items") ;

   ncall++ ;  /* 20 Dec 2005: to keep track of number of calls for EDERR */

   if( ! ISVALID_3DIM_DATASET(dset) ){                /* bad data */
     EDERR("invalid input dataset"); RETURN(errnum);
   }

   /****----------- Scan input argument list;
                  - Load data into locals (va_arg);
                  - Check for legal values;
                  - Flag its presence (the new_ variables);
                  - Carry out simple processing that doesn't
                      depend on the presence of other arguments. ---------****/

   va_start( vararg_ptr , dset ) ;              /** Initialize arg reading **/
   iarg = 1 ;
   memset(&ijk_to_dicom, 0, sizeof(mat44)); 
   memset(&xyzorient, 0, sizeof(THD_ivec3)); 
   memset(&xyzorg, 0, sizeof(THD_fvec3)); 
   memset(&xyzdel, 0, sizeof(THD_fvec3)); 
   memset(&nxyz, 0, sizeof(THD_ivec3));
   do{
      flag_arg = va_arg( vararg_ptr , int ) ;   /** Get next arg  **/
      if( flag_arg == ADN_none ) break ;        /** No more args! **/
#if 0
fprintf(stderr,"EDIT_dset_items: iarg=%d flag_arg=%d\n",iarg,flag_arg) ;
#endif
      iarg++ ;

      switch( flag_arg ){

         default:{
            int iv ;
            char str[128] ;

            /** 30 Nov 1997: check for special cases **/

            iv = flag_arg - ADN_brick_label_one ;
            if( iv >= 0 && iv < ADN_ONE_STEP ){
               brick_label_one_iv  = iv ;
               brick_label_one     = va_arg( vararg_ptr , char * ) ;
               if( brick_label_one != NULL ) new_brick_label_one = 1 ;
               break ; /* exit switch */
            }

            iv = flag_arg - ADN_brick_fac_one ;
            if( iv >= 0 && iv < ADN_ONE_STEP ){
               brick_fac_one_iv  = iv ;
               brick_fac_one     = va_arg( vararg_ptr , double ) ;
               new_brick_fac_one = 1 ;
               break ; /* exit switch */
            }

            iv = flag_arg - ADN_brick_stataux_one ;
            if( iv >= 0 && iv < ADN_ONE_STEP ){
               brick_stataux_one_iv = iv ;
               brick_stataux_one    = va_arg( vararg_ptr , float * ) ;
               if( brick_stataux_one != NULL ) new_brick_stataux_one = 1 ;
               break ; /* exit switch */
            }

            iv = flag_arg - ADN_brick_keywords_replace_one ;
            if( iv >= 0 && iv < ADN_ONE_STEP ){
               brick_keywords_one_iv  = iv ;
               brick_keywords_one     = va_arg( vararg_ptr , char * ) ;
               new_brick_keywords_one = 1 ;
               break ; /* exit switch */
            }