Ejemplo n.º 1
0
int write_minc(char *filename, float *image, image_metadata *meta,VIO_BOOL binary_mask){
  VIO_Volume volume;
  int i,j,k,index;
  float min=FLT_MAX,max=FLT_MIN;
  VIO_Real dummy[3];

  if(binary_mask)
  {
    volume = create_volume(3,NULL,NC_BYTE,FALSE,0.0,1.0);
    printf("Writing a binary volume...\n");
  }
  else 
    volume = create_volume(3,NULL,NC_FLOAT,FALSE,FLT_MIN,FLT_MAX);
  
  if(!volume)
    return STATUS_ERR;
  
  if(!binary_mask)
  {
    for (i=0;i<meta->length[0];i++){
      for (j=0;j<meta->length[1];j++){
        for (k=0;k<meta->length[2];k++){	  
          index=i*meta->length[2]*meta->length[1] + j*meta->length[2] + k;
          min=MIN(min,image[index]);
          max=MAX(max,image[index]);
        }
      }
    }
    set_volume_real_range(volume,min,max);
  } else {
    set_volume_real_range(volume,0.0,1.0);
  }
  
  set_volume_sizes(volume,meta->length);
  dummy[0]=meta->start[0];
  dummy[1]=meta->start[1];
  dummy[2]=meta->start[2];
  set_volume_starts(volume,dummy);
  dummy[0]=meta->step[0];
  dummy[1]=meta->step[1];
  dummy[2]=meta->step[2];
  set_volume_separations(volume,dummy);

  alloc_volume_data(volume);
    
  get_volume(image, volume, meta->length);

  if(!binary_mask)
    output_volume( filename, NC_FLOAT,FALSE,min, max,volume,meta->history,(minc_output_options *)NULL);
  else
    output_volume( filename, NC_BYTE,FALSE,0, 1.0,volume,meta->history,(minc_output_options *)NULL);
    
  delete_volume(volume);

  return STATUS_OK;
}
Ejemplo n.º 2
0
int main(int argc, char *argv[]) {
  int v1, v2, v3, v4;
  int sizes[VIO_MAX_DIMENSIONS], grid_sizes[4];
  int n_concat_transforms, i;
  VIO_STR arg_string;
  char *input_volume_name;
  char *input_xfm;
  VIO_STR outfile;
  VIO_Real w1, w2, w3;
  VIO_Real nw1, nw2, nw3;
  VIO_Real original[3], transformed[3];
  VIO_Real value;
  VIO_Real cosine[3];
  VIO_Real original_separation[3], grid_separation[4];
  VIO_Real original_starts[3], grid_starts[4];
  VIO_Volume eval_volume, new_grid;
  VIO_General_transform xfm, *voxel_to_world;
  VIO_STR *dimnames, dimnames_grid[4];
  VIO_progress_struct progress;
  
  arg_string = time_stamp(argc, argv);

  /* Check arguments   */
  if(ParseArgv(&argc, argv, argTable, 0) || (argc != 4)){
    fprintf(stderr, "\nUsage: %s [options] input.mnc input.xfm output_grid.mnc\n", argv[0]);
    fprintf(stderr, "       %s -help\n\n", argv[0]);
    exit(EXIT_FAILURE);
  }

  input_volume_name = argv[1];
  input_xfm = argv[2];
  outfile = argv[3];

  /* check for the infile and outfile */
  if(access(input_volume_name, F_OK) != 0){
    fprintf(stderr, "%s: Couldn't find %s\n\n", argv[0], input_volume_name);
    exit(EXIT_FAILURE);
  }
  if(access(input_xfm, F_OK) != 0) {
    fprintf(stderr, "%s: Couldn't find %s\n\n", argv[0], input_xfm);
    exit(EXIT_FAILURE);
  }
  if(access(outfile, F_OK) == 0 && !clobber){
    fprintf(stderr, "%s: %s exists! (use -clobber to overwrite)\n\n", argv[0], outfile);
    exit(EXIT_FAILURE);
  }

  /*--- input the volume */
  /*
  if( input_volume( input_volume_name, 3, NULL, MI_ORIGINAL_TYPE, 
                    FALSE, 0.0, 0.0, TRUE, &eval_volume,(minc_input_options *) NULL ) != OK )
    return( 1 );
  */

  if (input_volume_header_only( input_volume_name, 3, NULL, &eval_volume,(minc_input_options *) NULL ) != VIO_OK ) { 
    return( 1 );
  }

  /* get information about the volume */
  get_volume_sizes( eval_volume, sizes );
  voxel_to_world = get_voxel_to_world_transform(eval_volume);
  dimnames = get_volume_dimension_names(eval_volume);
  get_volume_separations(eval_volume, original_separation);
  get_volume_starts(eval_volume, original_starts);

  /* create new 4D volume, last three dims same as other volume,
     first dimension being the vector dimension. */
  for(i=1; i < 4; i++) {
    dimnames_grid[i] = dimnames[i-1];
    grid_separation[i] = original_separation[i-1];
    grid_sizes[i] = sizes[i-1];
    grid_starts[i] = original_starts[i-1];
  }
  dimnames_grid[0] = "vector_dimension";
  grid_sizes[0] = 3;
  grid_separation[0] = 1;
  grid_starts[0] = 0;

  new_grid = create_volume(4, dimnames_grid, NC_SHORT, FALSE, 0.0, 0.0);

  //set_voxel_to_world_transform(new_grid, voxel_to_world);
  // initialize the new grid volume, otherwise the output will be
  // garbage...
  set_volume_real_range(new_grid, -100, 100);
  set_volume_sizes(new_grid, grid_sizes);

  set_volume_separations(new_grid, grid_separation);
  set_volume_starts(new_grid, grid_starts);
  /*
  for (i=0; i < 3; i++) {
    get_volume_direction_cosine(eval_volume, i, cosine);
    set_volume_direction_cosine(new_grid, i+1, cosine);
  }
  */

  alloc_volume_data(new_grid);

  /* get the transforms */
  if( input_transform_file( input_xfm, &xfm ) != VIO_OK )
    return( 1 );

  /* see how many transforms will be applied */
  n_concat_transforms = get_n_concated_transforms( &xfm );
  printf("Number of transforms to be applied: %d\n", n_concat_transforms);

  initialize_progress_report(&progress, FALSE, sizes[0], "Processing");


  /* evaluate the transform at every voxel, keep the displacement
     in the three cardinal directions */
  for( v1 = 0;  v1 < sizes[0];  ++v1 ) {
    update_progress_report(&progress, v1 + 1);
    for( v2 = 0;  v2 < sizes[1];  ++v2 ) {
      for( v3 = 0;  v3 < sizes[2];  ++v3 ) {
        convert_3D_voxel_to_world(eval_volume, 
                                  v1, v2, v3, 
                                  &original[0], &original[1], &original[2]);
        general_transform_point(&xfm, 
                                original[0], original[1], original[2], 
                                &transformed[0], &transformed[1], &transformed[2]);
        for(i=0; i < 3; i++) {
          value = transformed[i] - original[i];
          set_volume_real_value(new_grid, i, v1, v2, v3, 0, value);
        }
      }
    }
  }

  terminate_progress_report(&progress);

  printf("Outputting volume.\n");

  output_volume(outfile, MI_ORIGINAL_TYPE, TRUE, 0.0, 0.0, new_grid, arg_string, NULL);

  return(0);

}
Ejemplo n.º 3
0
int main(int argc, char *argv[])
{
   VIO_General_transform 
     transform, 
     *grid_transform_ptr, 
     forward_transform;
   VIO_Volume 
     target_vol,
     volume;
   volume_input_struct 
     input_info;
   VIO_Real
     voxel[VIO_MAX_DIMENSIONS],
     steps[VIO_MAX_DIMENSIONS],
     start[VIO_N_DIMENSIONS],
     target_steps[VIO_MAX_DIMENSIONS],
     wx,wy,wz, inv_x, inv_y, inv_z,
     def_values[VIO_MAX_DIMENSIONS];

   static int 
     clobber_flag = FALSE,
     verbose      = TRUE,
     debug        = FALSE;
   static char  
     *target_file;

   int 
     parse_flag,
     prog_count,
     sizes[VIO_MAX_DIMENSIONS],
     target_sizes[VIO_MAX_DIMENSIONS],
     xyzv[VIO_MAX_DIMENSIONS],
     target_xyzv[VIO_MAX_DIMENSIONS],
     index[VIO_MAX_DIMENSIONS],
     i,
     trans_count;
   VIO_progress_struct
     progress;


   static ArgvInfo argTable[] = {
     {"-like",       ARGV_STRING,   (char *) 0,     (char *) &target_file,
        "Specify target volume sampling information."},
     {"-no_clobber", ARGV_CONSTANT, (char *) FALSE, (char *) &clobber_flag,
        "Do not overwrite output file (default)."},
     {"-clobber",    ARGV_CONSTANT, (char *) TRUE,  (char *) &clobber_flag,
        "Overwrite output file."},
     {"-verbose",    ARGV_CONSTANT, (char *) TRUE,     (char *) &verbose,
        "Write messages indicating progress (default)"},
     {"-quiet",      ARGV_CONSTANT, (char *) FALSE,    (char *) &verbose,
        "Do not write log messages"},
     {"-debug",      ARGV_CONSTANT, (char *) TRUE,  (char *) &debug,
        "Print out debug info."},
     {NULL, ARGV_END, NULL, NULL, NULL}
   };


   prog_name = argv[0];
   target_file = malloc(1024);
   strcpy(target_file,"");

   /* Call ParseArgv to interpret all command line args (returns TRUE if error) */
   parse_flag = ParseArgv(&argc, argv, argTable, 0);

   /* Check remaining arguments */
   if (parse_flag || argc != 3) print_usage_and_exit(prog_name);

   /* Read in file that has a def field to invert */
   if (input_transform_file(argv[1], &transform) != OK) {
      (void) fprintf(stderr, "%s: Error reading transform file %s\n",
                     argv[0], argv[1]);
      exit(EXIT_FAILURE);
   }


   for(trans_count=0; trans_count<get_n_concated_transforms(&transform); trans_count++ ) {

     grid_transform_ptr = get_nth_general_transform(&transform, trans_count );
     
     if (grid_transform_ptr->type == GRID_TRANSFORM) {

       copy_general_transform(grid_transform_ptr,
                              &forward_transform);

       /* 
          this is the call that should be made
          with the latest version of internal_libvolume_io
        
          invert_general_transform(&forward_transform); */

       forward_transform.inverse_flag = !(forward_transform.inverse_flag);

       volume = grid_transform_ptr->displacement_volume;

       if (strlen(target_file)!=0) {
         if (debug) print ("Def field will be resampled like %s\n",target_file);
         
         if (!file_exists( target_file ) ) {
           (void) fprintf(stderr, "%s: Target file '%s' does not exist\n",
                          prog_name,target_file);
           exit(EXIT_FAILURE);
         }

         start_volume_input(target_file, 3, (char **)NULL, 
                            NC_UNSPECIFIED, FALSE, 0.0, 0.0,
                            TRUE, &target_vol, 
                            (minc_input_options *)NULL,
                            &input_info);
         get_volume_XYZV_indices(volume, xyzv);
         get_volume_separations (volume, steps);
         get_volume_sizes       (volume, sizes);

         get_volume_XYZV_indices(target_vol, target_xyzv);
         get_volume_separations (target_vol, target_steps);
         get_volume_sizes       (target_vol, target_sizes);

         for(i=0; i<VIO_MAX_DIMENSIONS; i++) {
           index[i] = 0;
           voxel[i] = 0.0;
         }
         convert_voxel_to_world(target_vol, voxel, &start[VIO_X], &start[VIO_Y], &start[VIO_Z]);

         if( volume != (void *) NULL ){
           free_volume_data( volume );
         }

         for(i=VIO_X; i<=VIO_Z; i++) {
           steps[ xyzv[i] ] = target_steps[ target_xyzv[i] ] ;
           sizes[ xyzv[i] ] = target_sizes[ target_xyzv[i] ] ;
         }
         set_volume_separations(volume, steps);
         set_volume_sizes(      volume, sizes);
         set_volume_starts(volume, start);
         alloc_volume_data( volume );
       }

       get_volume_sizes(volume, sizes);
       get_volume_XYZV_indices(volume,xyzv);

       for(i=0; i<VIO_MAX_DIMENSIONS; i++){
         index[i] = 0;
       }

       if (verbose){
        initialize_progress_report(&progress, FALSE, 
                                   sizes[xyzv[VIO_X]]*sizes[xyzv[VIO_Y]]*sizes[xyzv[VIO_Z]]+1,
                                   "Inverting def field");
       }
       prog_count = 0;

       for(index[xyzv[VIO_X]]=0; index[xyzv[VIO_X]]<sizes[xyzv[VIO_X]]; index[xyzv[VIO_X]]++)
         for(index[xyzv[VIO_Y]]=0; index[xyzv[VIO_Y]]<sizes[xyzv[VIO_Y]]; index[xyzv[VIO_Y]]++)
           for(index[xyzv[VIO_Z]]=0; index[xyzv[VIO_Z]]<sizes[xyzv[VIO_Z]]; index[xyzv[VIO_Z]]++) {
             
             index[ xyzv[VIO_Z+1] ] = 0;
             for(i=0; i<VIO_MAX_DIMENSIONS; i++) voxel[i] = (VIO_Real)index[i];
       
             convert_voxel_to_world(volume, voxel, &wx, &wy, &wz);
             
             if (sizes[ xyzv[VIO_Z] ] ==1)
                general_inverse_transform_point_in_trans_plane(&forward_transform,
                                            wx, wy, wz,
                                            &inv_x, &inv_y, &inv_z);
             else
               grid_inverse_transform_point(&forward_transform,
                                            wx, wy, wz,
                                            &inv_x, &inv_y, &inv_z);
             def_values[VIO_X] = inv_x - wx;
             def_values[VIO_Y] = inv_y - wy;
             def_values[VIO_Z] = inv_z - wz;

             for(index[xyzv[VIO_Z+1]]=0; index[xyzv[VIO_Z+1]]<3; index[xyzv[VIO_Z+1]]++)
               set_volume_real_value(volume,
                                     index[0],index[1],index[2],index[3],index[4],
                                     def_values[ index[ xyzv[VIO_Z+1] ]]);

             prog_count++;
             if (verbose)
               update_progress_report(&progress, prog_count);
           }
       
       if (verbose)
         terminate_progress_report(&progress);

       delete_general_transform(&forward_transform);

       grid_transform_ptr->inverse_flag = !(grid_transform_ptr->inverse_flag);
       
     }

   }
   

   /* Write out the transform */
   if (output_transform_file(argv[2], NULL, &transform) != OK) {
      (void) fprintf(stderr, "%s: Error writing transform file %s\n",
                     argv[0], argv[2]);
      exit(EXIT_FAILURE);
   }

   exit(EXIT_SUCCESS);
}
Ejemplo n.º 4
0
int main(int argc, char *argv[])
{
   char   **infiles;
   int      n_infiles;
   char    *out_fn;
   char    *history;
   VIO_progress_struct progress;
   VIO_Volume   totals, weights;
   int      i, j, k, v;
   double   min, max;
   double   w_min, w_max;
   long     num_missed;
   double   weight, value;
   double   initial_weight;

   VIO_Real     dummy[3];

   int      sizes[MAX_VAR_DIMS];
   double   starts[MAX_VAR_DIMS];
   double   steps[MAX_VAR_DIMS];
   
   long     t = 0;

   /* start the time counter */
   current_realtime_seconds();
   
   /* get the history string */
   history = time_stamp(argc, argv);

   /* get args */
   if(ParseArgv(&argc, argv, argTable, 0) || (argc < 3)){
      fprintf(stderr,
              "\nUsage: %s [options] <in1.mnc> [<in2.mnc> [...]] <out.mnc>\n", argv[0]);
      fprintf(stderr,
              "       %s [options] -arb_path pth.conf <infile.raw> <out.mnc>\n", argv[0]);
      fprintf(stderr, "       %s -help\n\n", argv[0]);
      exit(EXIT_FAILURE);
      }

   /* get file names */
   n_infiles = argc - 2;
   infiles = (char **)malloc(sizeof(char *) * n_infiles);
   for(i = 0; i < n_infiles; i++){
      infiles[i] = argv[i + 1];
      }
   out_fn = argv[argc - 1];

   /* check for infiles and outfile */
   for(i = 0; i < n_infiles; i++){
      if(!file_exists(infiles[i])){
         fprintf(stderr, "%s: Couldn't find input file %s.\n\n", argv[0], infiles[i]);
         exit(EXIT_FAILURE);
         }
      }
   if(!clobber && file_exists(out_fn)){
      fprintf(stderr, "%s: %s exists, -clobber to overwrite.\n\n", argv[0], out_fn);
      exit(EXIT_FAILURE);
      }

   /* check for weights_fn if required */
   if(weights_fn != NULL){
      if(!clobber && file_exists(weights_fn)){
         fprintf(stderr, "%s: %s exists, -clobber to overwrite.\n\n", argv[0],
                 weights_fn);
         exit(EXIT_FAILURE);
         }
      }

   /* set up parameters for reconstruction */
   if(out_dtype == NC_UNSPECIFIED){
      out_dtype = in_dtype;
      }
   if(out_is_signed == DEF_BOOL){
      out_is_signed = in_is_signed;
      }

   /* check vector dimension size */
   if(vect_size < 1){
      fprintf(stderr, "%s: -vector (%d) must be 1 or greater.\n\n", argv[0], vect_size);
      exit(EXIT_FAILURE);
      }

   /* check sigma */
   if(regrid_sigma[0] <= 0 || regrid_sigma[1] <= 0 || regrid_sigma[2] <= 0 ){
      fprintf(stderr, "%s: -sigma must be greater than 0\n\n", argv[0]);
      exit(EXIT_FAILURE);
      }

   /* read in the output file config from a file is specified */
   if(out_config_fn != NULL){
      int      ext_args_c;
      char    *ext_args[32];           /* max possible is 32 arguments */

      ext_args_c = read_config_file(out_config_fn, ext_args);
      if(ParseArgv(&ext_args_c, ext_args, argTable,
                   ARGV_DONT_SKIP_FIRST_ARG | ARGV_NO_LEFTOVERS | ARGV_NO_DEFAULTS)){
         fprintf(stderr, "\nError in parameters in %s\n", out_config_fn);
         exit(EXIT_FAILURE);
         }
      }

   if(verbose){
      fprintf_vol_def(stdout, &out_inf);
      }

   /* transpose the geometry arrays */
   /* out_inf.*[] are in world xyz order, perm[] is the permutation
      array to map world xyz to the right voxel order in the volume */
   for(i = 0; i < WORLD_NDIMS; i++){
      sizes[i] = out_inf.nelem[perm[i]];  /* sizes, starts, steps are in voxel volume order. */
      starts[i] = out_inf.start[perm[i]];
      steps[i] = out_inf.step[perm[i]];
      }
   sizes[WORLD_NDIMS] = vect_size;

   /* create the totals volume */
   totals = create_volume((vect_size > 1) ? 4 : 3,
                          (vect_size > 1) ? std_dimorder_v : std_dimorder,
                          out_dtype, out_is_signed, 0.0, 0.0);
   set_volume_sizes(totals, sizes);
   set_volume_starts(totals, starts);
   set_volume_separations(totals, steps);
   for(i = 0; i < WORLD_NDIMS; i++){
      /* out_inf.dircos is in world x,y,z order, we have to use the perm array to 
         map each direction to the right voxel axis. */
      set_volume_direction_cosine(totals, i, out_inf.dircos[perm[i]]);
      }
   alloc_volume_data(totals);

   /* create the "weights" volume */
   weights = create_volume(3, std_dimorder, out_dtype, out_is_signed, 0.0, 0.0);
   set_volume_sizes(weights, sizes);
   set_volume_starts(weights, starts);
   set_volume_separations(weights, steps);
   for(i = 0; i < WORLD_NDIMS; i++){
      set_volume_direction_cosine(weights, i, out_inf.dircos[perm[i]]);
      }
   alloc_volume_data(weights);

   /* down below in regrid_loop, Andrew makes a nasty direct reference to the
      voxel_to_world transformation in the volume.  This
      transformation is not necessarily up to date, particularly when
      non-default direction cosines are used.  In volume_io, the
      direction cosines are set and a FLAG is also set to indicate
      that the voxel-to-world xform is not up to date.  If the stanrd
      volume_io general transform code is used, it checks internally
      to see if the matrix is up to date, and if not it is recomputed.

      So here, we'll (LC + MK) force an update by calling a general
      transform.  */

//   convert_world_to_voxel(weights, (Real) 0, (Real) 0, (Real) 0, dummy);
//   convert_world_to_voxel(totals, (Real) 0, (Real) 0, (Real) 0, dummy);

   fprintf(stderr, "2Sizes: [%d:%d:%d] \n", sizes[perm[0]], sizes[perm[1]], sizes[perm[2]]);
   
   /* initialize weights to be arbitray large value if using NEAREST */
   /* volume interpolation else initialize all to zero */
   if(regrid_type == NEAREST_FUNC && ap_coord_fn == NULL){
      initial_weight = LARGE_INITIAL_WEIGHT;
      }
   else{
      initial_weight = 0.0;
      }
   
   /* initialize weights and totals */   
   for(k = sizes[Z_IDX]; k--;){
      for(j = sizes[Y_IDX]; j--;){
         for(i = sizes[X_IDX]; i--;){
            set_volume_real_value(weights, k, j, i, 0, 0, initial_weight);
            for(v = vect_size; v--;){
               set_volume_real_value(totals, k, j, i, v, 0, 0.0);
               }
            }
         }
      }

   /* if regridding via an arbitrary path */
   if(ap_coord_fn != NULL){

      if(n_infiles > 1){
         fprintf(stderr, "%s: arb_path only works for one input file (so far).\n\n",
                 argv[0]);
         exit(EXIT_FAILURE);
         }

      /* print some pretty output */
      if(verbose){
         fprintf(stdout, " | Input data:      %s\n", infiles[0]);
         fprintf(stdout, " | Arb path:        %s\n", ap_coord_fn);
         fprintf(stdout, " | Output range:    [%g:%g]\n", out_range[0], out_range[1]);
         fprintf(stdout, " | Output file:     %s\n", out_fn);
         }

      regrid_arb_path(ap_coord_fn, infiles[0], max_buffer_size_in_kb,
                      &totals, &weights, vect_size, regrid_range[0], regrid_range[1]);
      }

   /* else if regridding via a series of input minc file(s) */
   else {
      for(i = 0; i < n_infiles; i++){
         if(verbose){
            fprintf(stdout, " | Input file:      %s\n", infiles[i]);
            }
         regrid_minc(infiles[i], max_buffer_size_in_kb,
                     &totals, &weights, vect_size, regrid_range[0], regrid_range[1]);
         }
      }

   /* initialise min and max counters and divide totals/weights */
   num_missed = 0;
   min = get_volume_real_value(totals, 0, 0, 0, 0, 0);
   max = get_volume_real_value(totals, 0, 0, 0, 0, 0);
   w_min = get_volume_real_value(weights, 0, 0, 0, 0, 0);
   w_max = get_volume_real_value(weights, 0, 0, 0, 0, 0);
   initialize_progress_report(&progress, FALSE, out_inf.nelem[Z_IDX], "Dividing through");
   
   for(i = sizes[perm[0]]; i--;){
      for(j = sizes[perm[1]]; j--;){
         for(k = sizes[perm[2]]; k--;){
            weight = get_volume_real_value(weights, k, j, i, 0, 0);
            if(weight < w_min){
               w_min = weight;
               }
            else if(weight > w_max){
               w_max = weight;
               }
            
            if(weight != 0){
               for(v = vect_size; v--;){
                  value = get_volume_real_value(totals, k, j, i, v, 0) / weight;
                  if(value < min){
                     min = value;
                     }
                  else if(value > max){
                     max = value;
                     }
                  
                  set_volume_real_value(totals, k, j, i, v, 0, value);
                  }
               }
            else {
               num_missed++;
               }
            }
         }
      update_progress_report(&progress, k + 1);
      }
   terminate_progress_report(&progress);

   /* set the volumes range */
   if(verbose){
      fprintf(stdout, " + data range:   [%g:%g]\n", min, max);
      fprintf(stdout, " + weight range: [%g:%g]\n", w_min, w_max);
      }
   set_volume_real_range(totals, min, max);
   set_volume_real_range(weights, w_min, w_max);

   if(num_missed > 0 && verbose){
      int      nvox;

      nvox = out_inf.nelem[X_IDX] * out_inf.nelem[Y_IDX] * out_inf.nelem[Z_IDX];
      fprintf(stdout,
              "\n-regrid_radius possibly too small, no data in %ld/%d[%2.2f%%] voxels\n\n",
              num_missed, nvox, ((float)num_missed / nvox * 100));
      }

   /* rescale data if required */
   if(out_range[0] != -DBL_MAX && out_range[1] != DBL_MAX){
      double   o_min, o_max;

      /* get the existing range */
      get_volume_real_range(totals, &o_min, &o_max);

      /* rescale it */
      scale_volume(&totals, o_min, o_max, out_range[0], out_range[1]);
      }

   /* output the result */
   if(verbose){
      fprintf(stdout, " | Outputting %s...\n", out_fn);
      }
   if(output_volume(out_fn, out_dtype, out_is_signed,
                    0.0, 0.0, totals, history, NULL) != VIO_OK){
      fprintf(stderr, "Problems outputing: %s\n\n", out_fn);
      }

   /* output weights volume if required */
   if(weights_fn != NULL){
      if(verbose){
         fprintf(stdout, " | Outputting %s...\n", weights_fn);
         }
      if(output_volume(weights_fn, out_dtype, out_is_signed,
                       0.0, 0.0, weights, history, NULL) != VIO_OK){
         fprintf(stderr, "Problems outputting: %s\n\n", weights_fn);
         }
      }

   delete_volume(totals);
   delete_volume(weights);
   
   t = current_realtime_seconds();
   printf("Total reconstruction time: %ld hours %ld minutes %ld seconds\n", t/3600, (t/60)%60, t%60);
   
   return (EXIT_SUCCESS);
   }
Ejemplo n.º 5
0
static void append_new_default_deformation_field(Arg_Data *globals)
{

  VIO_Volume
    new_field;
  VIO_Real
    zero,
    st[VIO_MAX_DIMENSIONS],
    wst[VIO_MAX_DIMENSIONS],
    step[VIO_MAX_DIMENSIONS],
    XYZstart[ VIO_MAX_DIMENSIONS ],
    XYZstep[ VIO_MAX_DIMENSIONS ],
    voxel[VIO_MAX_DIMENSIONS],
    point[VIO_N_DIMENSIONS],
    dir[3][3];

  int
    index[VIO_MAX_DIMENSIONS],
    xyzv[VIO_MAX_DIMENSIONS],
    i,
    count[VIO_MAX_DIMENSIONS],
    XYZcount[VIO_MAX_DIMENSIONS],
    count_extended[VIO_MAX_DIMENSIONS];

  VIO_General_transform
    *grid_trans;

   VectorR
    XYZdirections[ VIO_MAX_DIMENSIONS ];

  /* build a vector volume to store the Grid VIO_Transform */

   /*  ALLOC(new_field,1); not needed since create volume allocs it
       internally and returns a pointer*/

  if (globals->flags.debug) { print ("In append_new_default_deformation_field...\n"); }

  new_field = create_volume(4, dim_name_vector_vol, NC_DOUBLE, TRUE, 0.0, 0.0);

  get_volume_XYZV_indices(new_field, xyzv);

                                /* get the global voxel count and voxel size */
  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    count[xyzv[i]] = globals->count[i];
    count_extended[xyzv[i]] = count[xyzv[i]];
    step[xyzv[i]]  = globals->step[i];
  }
                                /* add info for the vector dimension */
  count[xyzv[VIO_Z+1]] = 3;
  count_extended[xyzv[VIO_Z+1]] = 3;
  step[xyzv[VIO_Z+1]] = 0.0;


  set_volume_sizes(       new_field, count);
  set_volume_separations( new_field, step);
  /*
     set_volume_voxel_range( new_field, -MY_MAX_VOX, MY_MAX_VOX);
     set_volume_real_range(  new_field, -1.0*globals->trans_info.max_def_magnitude, globals->trans_info.max_def_magnitude); no longer needed, now using floats */


  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    dir[VIO_X][i]=globals->directions[VIO_X].coords[i];
    dir[VIO_Y][i]=globals->directions[VIO_Y].coords[i];
    dir[VIO_Z][i]=globals->directions[VIO_Z].coords[i];

  }


  set_volume_direction_cosine(new_field,xyzv[VIO_X],dir[VIO_X]);
  set_volume_direction_cosine(new_field,xyzv[VIO_Y],dir[VIO_Y]);
  set_volume_direction_cosine(new_field,xyzv[VIO_Z],dir[VIO_Z]);


  for(i=0; i<VIO_MAX_DIMENSIONS; i++)  /* set the voxel origin, used in the vol def */
    voxel[i] = 0.0;

  set_volume_translation( new_field, voxel, globals->start);



  if (globals->flags.debug) {
    print("in append new def, the start is: %8.3f %8.3f %8.3f\n", globals->start[VIO_X], globals->start[VIO_Y], globals->start[VIO_Z]);
  }

                   /* now pad the volume along the spatial axis
                      to ensure good coverage of the data space
                      with the deformation field */

  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    if (globals->count[i]>1) {
      voxel[xyzv[i]] = -2.5;
      count_extended[xyzv[i]] = globals->count[i]+5;
    }
    else {
      voxel[xyzv[i]] = 0.0;
      count_extended[xyzv[i]] = 1;
    }
  }

  if (globals->flags.debug) {
    print("in append_new_default_deformation_field:\n\tcount_extended= %d %d %d %d\n",
           count_extended[0],count_extended[1],count_extended[2],count_extended[3]);
  }

  set_volume_sizes(new_field, count_extended);
  for(i=0; i<VIO_MAX_DIMENSIONS; i++) count[i] = count_extended[i];

              /* reset the first voxel position with the new origin */
  convert_voxel_to_world(new_field, voxel,
                         &(point[VIO_X]), &(point[VIO_Y]), &(point[VIO_Z]));
  for(i=0; i<VIO_MAX_DIMENSIONS; i++) voxel[i] = 0;

  set_volume_translation(new_field, voxel, point);


  if (globals->flags.debug) {
    print (" point: %8.3f %8.3f %8.3f \n", point[VIO_X], point[VIO_Y], point[VIO_Z]);

    get_volume_starts(new_field, st);
    print (" start: %8.3f %8.3f %8.3f \n", st[xyzv[VIO_X]], st[xyzv[VIO_Y]], st[xyzv[VIO_Z]]);

    voxel[0] = 0;
    voxel[1] = 0;
    voxel[2] = 0;
    get_volume_translation(new_field, voxel, wst);
    print (" wstrt: %8.3f %8.3f %8.3f \n", wst[VIO_X], wst[VIO_Y], wst[VIO_Z]);
    print (" voxel: %8.3f %8.3f %8.3f \n", voxel[xyzv[VIO_X]], voxel[xyzv[VIO_Y]], voxel[xyzv[VIO_Z]]);


    for(i=0; i<3; i++) {
      get_volume_direction_cosine(new_field,xyzv[i], wst);
      print (" dirs: %8.3f %8.3f %8.3f \n", wst[VIO_X], wst[VIO_Y], wst[VIO_Z]);
    }



  }


              /* allocate space for the deformation field data */
  alloc_volume_data(new_field);

              /* Initilize the field to zero deformation */

  /* zero = CONVERT_VALUE_TO_VOXEL(new_field, 0.0); not needed, defs are now doubles */

  for(index[0]=0; index[0]<count[0]; index[0]++)
    for(index[1]=0; index[1]<count[1]; index[1]++)
      for(index[2]=0; index[2]<count[2]; index[2]++)
        for(index[3]=0; index[3]<count[3]; index[3]++)
          {
            SET_VOXEL(new_field, index[0],index[1],index[2],index[3],0, 0.0);  /* was set to 'zero', but now as a double,can be set to 0.0 */
          }

              /* build the new GRID_TRANSFORM */

  ALLOC(grid_trans, 1);

  create_grid_transform(grid_trans, new_field, NULL);

              /* append the deforamation to the current transformation */
  concat_general_transforms(globals->trans_info.transformation, grid_trans,
                            globals->trans_info.transformation);

  delete_volume(new_field);
  delete_general_transform(grid_trans);




}
Ejemplo n.º 6
0
static void resample_the_deformation_field(Arg_Data *globals)
{

  VIO_Volume
    existing_field,
    new_field;
  VIO_Real
    vector_val[3],
    XYZstart[ VIO_MAX_DIMENSIONS ],
    wstart[ VIO_MAX_DIMENSIONS ],
    start[    VIO_MAX_DIMENSIONS ],
    XYZstep[  VIO_MAX_DIMENSIONS ],
    step[     VIO_MAX_DIMENSIONS ],
    step2[    VIO_MAX_DIMENSIONS ],
    s1[       VIO_MAX_DIMENSIONS ],
    voxel[    VIO_MAX_DIMENSIONS ],
    dir[3][3];
  int
    i,
    siz[      VIO_MAX_DIMENSIONS ],
    index[    VIO_MAX_DIMENSIONS ],
    xyzv[     VIO_MAX_DIMENSIONS ],
    XYZcount[ VIO_MAX_DIMENSIONS ],
    count[    VIO_MAX_DIMENSIONS ];
  VIO_General_transform
    *non_lin_part;
  VectorR
    XYZdirections[ VIO_MAX_DIMENSIONS ];
  VIO_Real
    del_x, del_y, del_z, wx, wy,wz;
  VIO_progress_struct
    progress;
  char
    **data_dim_names;


                                /* get the nonlinear part
                                   of the transformation           */

  existing_field = (VIO_Volume)NULL;
  non_lin_part = get_nth_general_transform(globals->trans_info.transformation,
                                           get_n_concated_transforms(
                                               globals->trans_info.transformation)
                                           -1);

  if (get_transform_type( non_lin_part ) == GRID_TRANSFORM){
    existing_field = (VIO_Volume)(non_lin_part->displacement_volume);
  }
  else {
    for(i=0; i<get_n_concated_transforms(globals->trans_info.transformation); i++)
      print ("Transform %d is of type %d\n",i,
             get_transform_type(
                get_nth_general_transform(globals->trans_info.transformation,
                                i) ));

    print_error_and_line_num("Cannot find the deformation field transform to resample",
                             __FILE__, __LINE__);
  }

  /* build a vector volume to store the Grid VIO_Transform */

  new_field = create_volume(4, dim_name_vector_vol, NC_DOUBLE, TRUE, 0.0, 0.0);

  get_volume_XYZV_indices(new_field, xyzv);

  for(i=0; i<VIO_N_DIMENSIONS; i++)
    step2[i] = globals->step[i];
                                /* get new start, count, step and directions,
                                   all returned in X, Y, Z order.          */

  set_up_lattice(existing_field, step2, XYZstart, wstart, XYZcount, XYZstep, XYZdirections);

                                /* reset count and step to be in volume order */
  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    start[      i  ] = wstart[ i ];
    count[ xyzv[i] ] = XYZcount[ i ];
    step[  xyzv[i] ] = XYZstep[  i ];
  }

                                /* add info for the vector dimension */
  count[xyzv[VIO_Z+1]] = 3;
  step[xyzv[VIO_Z+1]] = 0.0;

         /* use the sign of the step returned to set the true step size */
  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    if (step[xyzv[i]]<0)
      step[xyzv[i]] = -1.0 * fabs(globals->step[i]);
    else
      step[xyzv[i]] = fabs(globals->step[i]);
  }

  for(i=0; i<VIO_MAX_DIMENSIONS; i++)  /* set the voxel origin, used in the vol def */
    voxel[i] = 0.0;

  set_volume_sizes(       new_field, count);
  set_volume_separations( new_field, step);

  /*  set_volume_voxel_range( new_field, -MY_MAX_VOX, MY_MAX_VOX);
      set_volume_real_range(  new_field, -1.0*globals->trans_info.max_def_magnitude, globals->trans_info.max_def_magnitude);  - no longer needed, because now using doubles*/

  set_volume_translation( new_field, voxel, start);

  for(i=0; i<VIO_N_DIMENSIONS; i++) {
    dir[VIO_X][i]=XYZdirections[VIO_X].coords[i];
    dir[VIO_Y][i]=XYZdirections[VIO_Y].coords[i];
    dir[VIO_Z][i]=XYZdirections[VIO_Z].coords[i];

  }


  set_volume_direction_cosine(new_field,xyzv[VIO_X],dir[VIO_X]);
  set_volume_direction_cosine(new_field,xyzv[VIO_Y],dir[VIO_Y]);
  set_volume_direction_cosine(new_field,xyzv[VIO_Z],dir[VIO_Z]);


                                /* make sure that the vector dimension
                                   is named! */
  data_dim_names = get_volume_dimension_names(new_field);

  if( strcmp( data_dim_names[ xyzv[VIO_Z+1] ] , MIvector_dimension ) != 0 ) {
    ALLOC((new_field)->dimension_names[xyzv[VIO_Z+1]], \
          strlen(MIvector_dimension  ) + 1 );
    (void) strcpy( (new_field)->dimension_names[xyzv[VIO_Z+1]], MIvector_dimension );
  }

  delete_dimension_names(new_field, data_dim_names);

  if (globals->flags.debug) {
    print ("in resample_deformation_field:\n");
    print ("xyzv[axes] = %d, %d, %d, %d\n",xyzv[VIO_X],xyzv[VIO_Y],xyzv[VIO_Z],xyzv[VIO_Z+1]);

    get_volume_sizes(new_field, siz);
    get_volume_separations(new_field, s1);
    print ("seps: %7.3f %7.3f %7.3f %7.3f %7.3f \n",s1[0],s1[1],s1[2],s1[3],s1[4]);
    print ("size: %7d %7d %7d %7d %7d \n",siz[0],siz[1],siz[2],siz[3],siz[4]);
  }

  alloc_volume_data(new_field);

  if (globals->flags.verbose>0)
    initialize_progress_report( &progress, FALSE, count[xyzv[VIO_X]],
                               "Interpolating new field" );

  /* now resample the values from the input deformation */

  for(i=0; i<VIO_MAX_DIMENSIONS; i++) {
    voxel[i] = 0.0;
    index[i] = 0;
  }

  for(index[xyzv[VIO_X]]=0; index[xyzv[VIO_X]]<count[xyzv[VIO_X]]; index[xyzv[VIO_X]]++) {
    voxel[xyzv[VIO_X]] = (VIO_Real)index[xyzv[VIO_X]];

    for(index[xyzv[VIO_Y]]=0; index[xyzv[VIO_Y]]<count[xyzv[VIO_Y]]; index[xyzv[VIO_Y]]++) {
      voxel[xyzv[VIO_Y]] = (VIO_Real)index[xyzv[VIO_Y]];

      for(index[xyzv[VIO_Z]]=0; index[xyzv[VIO_Z]]<count[xyzv[VIO_Z]]; index[xyzv[VIO_Z]]++) {
        voxel[xyzv[VIO_Z]] = (VIO_Real)index[xyzv[VIO_Z]];

        convert_voxel_to_world(new_field, voxel, &wx,&wy,&wz);


           grid_transform_point(non_lin_part, wx, wy, wz,
                             &del_x, &del_y, &del_z);



                                /* get just the deformation part */
        del_x = del_x - wx;
        del_y = del_y - wy;
        del_z = del_z - wz;


/*        del_x = del_y = del_z = 0.0;
*/
        vector_val[0] = CONVERT_VALUE_TO_VOXEL(new_field, del_x);
        vector_val[1] = CONVERT_VALUE_TO_VOXEL(new_field, del_y);
        vector_val[2] = CONVERT_VALUE_TO_VOXEL(new_field, del_z);

        for(index[xyzv[VIO_Z+1]]=0; index[xyzv[VIO_Z+1]]<3; index[xyzv[VIO_Z+1]]++) {
          SET_VOXEL(new_field, \
                    index[0], index[1], index[2], index[3], index[4], \
                    vector_val[ index[ xyzv[ VIO_Z+1] ] ]);
        }


      }
    }
    if (globals->flags.verbose>0)
      update_progress_report( &progress,index[xyzv[VIO_X]]+1);
  }
  if (globals->flags.verbose>0)
    terminate_progress_report( &progress );

                 /* delete and free up old data */
  delete_volume(non_lin_part->displacement_volume);
               /* set new volumes into transform */
  non_lin_part->displacement_volume = new_field;

}