MRI_IMAGE * FD_brick_to_series( int ixyz , FD_brick *br ) { MRI_IMAGE *im ; /* output */ int nv , ival ; char *iar ; /* brick in the input */ MRI_TYPE typ ; int ix,jy,kz , ind ; THD_ivec3 ind_fd , ind_ds ; if( ixyz < 0 || ixyz >= br->n1 * br->n2 * br->n3 ) return NULL ; /** otherwise, get ready for a real image **/ ix = ixyz % br->n1 ; jy = ( ixyz % (br->n1 * br->n2) ) / br->n1 ; kz = ixyz / (br->n1 * br->n2) ; LOAD_IVEC3( ind_fd , ix,jy,kz ) ; ind_ds = THD_fdind_to_3dind( br , ind_fd ) ; ix = ind_ds.ijk[0] ; jy = ind_ds.ijk[1] ; kz = ind_ds.ijk[2] ; ind = (kz * br->dset->daxes->nyy + jy) * br->dset->daxes->nxx + ix ; nv = br->dset->dblk->nvals ; iar = DSET_ARRAY(br->dset,0) ; if( iar == NULL ){ /* if data needs to be loaded from disk */ (void) THD_load_datablock( br->dset->dblk ) ; iar = DSET_ARRAY(br->dset,0) ; if( iar == NULL ) return NULL ; } /* 15 Sep 2004: allow for nonconstant datum */ if( !DSET_datum_constant(br->dset) ){ /* only for stupid users */ float *ar ; im = mri_new( nv , 1 , MRI_float ) ; ar = MRI_FLOAT_PTR(im) ; for( ival = 0 ; ival < nv ; ival++ ) ar[ival] = THD_get_voxel( br->dset , ind , ival ) ; goto image_done ; } /* the older (more efficient) way */ typ = DSET_BRICK_TYPE(br->dset,0) ; im = mri_new( nv , 1 , typ ) ; #if 0 mri_zero_image(im) ; /* 18 Oct 2001 */ #endif switch( typ ){ default: /* don't know what to do --> return nada */ mri_free( im ) ; return NULL ; case MRI_byte:{ byte *ar = MRI_BYTE_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (byte *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_short:{ short *ar = MRI_SHORT_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (short *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_float:{ float *ar = MRI_FLOAT_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (float *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_int:{ int *ar = MRI_INT_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (int *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_double:{ double *ar = MRI_DOUBLE_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (double *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_complex:{ complex *ar = MRI_COMPLEX_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (complex *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; /* 15 Apr 2002: RGB types */ case MRI_rgb:{ rgbyte *ar = (rgbyte *) MRI_RGB_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (rgbyte *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; case MRI_rgba:{ rgba *ar = (rgba *) MRI_RGBA_PTR(im) , *bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (rgba *) DSET_ARRAY(br->dset,ival) ; if( bar != NULL ) ar[ival] = bar[ind] ; } } break ; } if( THD_need_brick_factor(br->dset) ){ MRI_IMAGE *qim ; qim = mri_mult_to_float( br->dset->dblk->brick_fac , im ) ; mri_free(im) ; im = qim ; } /* at this point, the image is ready to ship out; but first, maybe attach a time origin and spacing */ image_done: if( br->dset->taxis != NULL ){ /* 21 Oct 1996 */ float zz , tt ; zz = br->dset->daxes->zzorg + kz * br->dset->daxes->zzdel ; tt = THD_timeof( 0 , zz , br->dset->taxis ) ; im->xo = tt ; im->dx = br->dset->taxis->ttdel ; /* origin and delta */ if( br->dset->taxis->units_type == UNITS_MSEC_TYPE ){ /* convert to sec */ im->xo *= 0.001 ; im->dx *= 0.001 ; } } else { im->xo = 0.0 ; im->dx = 1.0 ; /* 08 Nov 1996 */ } return im ; }
MRI_IMARR * THD_extract_many_series( int ns, int *ind, THD_3dim_dataset *dset ) { MRI_IMARR *imar ; /* output */ MRI_IMAGE *im ; int nv , ival , kk ; char *iar ; /* brick in the input */ float **far ; /* 27 Feb 2003: ptrs to output */ ENTRY("THD_extract_many_series") ; if( ns <= 0 || ind == NULL | dset == NULL ) RETURN( NULL ); /* try to load dataset */ nv = dset->dblk->nvals ; iar = DSET_ARRAY(dset,0) ; if( iar == NULL ){ /* if data needs to be loaded from disk */ (void) THD_load_datablock( dset->dblk ) ; iar = DSET_ARRAY(dset,0) ; if( iar == NULL ){ static int nerr=0 ; if( nerr < 2 ){ ERROR_message("Can't load dataset %s",DSET_HEADNAME(dset)); nerr++; } RETURN( NULL ); } } /* create output */ far = (float **) malloc(sizeof(float *)*ns) ; /* 27 Feb 2003 */ NULL_CHECK(far) ; INIT_IMARR(imar) ; for( kk=0 ; kk < ns ; kk++ ){ im = mri_new( nv , 1 , MRI_float ) ; /* N.B.: now does 0 fill */ far[kk] = MRI_FLOAT_PTR(im) ; /* ptr to kk-th output series */ ADDTO_IMARR(imar,im) ; } /* fill the output */ switch( DSET_BRICK_TYPE(dset,0) ){ default: /* don't know what to do --> return nada */ DESTROY_IMARR(imar) ; free(far) ; RETURN( NULL ); case MRI_byte:{ byte * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (byte *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = (float)bar[ind[kk]] ; } } } } break ; case MRI_short:{ short * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (short *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = (float)bar[ind[kk]] ; } } } } break ; case MRI_float:{ float * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (float *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = bar[ind[kk]] ; } } } } break ; #if 0 case MRI_int:{ int * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (int *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = bar[ind[kk]] ; } } } } break ; case MRI_double:{ double * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (double *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = (float)bar[ind[kk]] ; } } } } break ; #endif case MRI_complex:{ complex * bar ; for( ival=0 ; ival < nv ; ival++ ){ bar = (complex *) DSET_ARRAY(dset,ival) ; if( bar != NULL ){ for( kk=0 ; kk < ns ; kk++ ){ far[kk][ival] = bar[ind[kk]].r ; } } } } break ; } /* scale outputs, if needed */ if( THD_need_brick_factor(dset) ){ MRI_IMAGE *qim ; for( kk=0 ; kk < ns ; kk++ ){ im = IMARR_SUBIMAGE(imar,kk) ; qim = mri_mult_to_float( dset->dblk->brick_fac , im ) ; mri_free(im) ; IMARR_SUBIMAGE(imar,kk) = qim ; } } #if 0 /* 27 Feb 2003 */ /* convert to floats, if needed */ if( IMARR_SUBIMAGE(imar,0)->kind != MRI_float ){ MRI_IMAGE * qim ; for( kk=0 ; kk < ns ; kk++ ){ im = IMARR_SUBIMAGE(imar,kk) ; qim = mri_to_float( im ) ; mri_free(im) ; IMARR_SUBIMAGE(imar,kk) = qim ; } } #endif /* add time axis stuff to output images, if present */ if( dset->taxis != NULL ){ float zz , tt ; int kz ; for( kk=0 ; kk < ns ; kk++ ){ kz = ind[kk] / ( dset->daxes->nxx * dset->daxes->nyy ) ; zz = dset->daxes->zzorg + kz * dset->daxes->zzdel ; tt = THD_timeof( 0 , zz , dset->taxis ) ; im = IMARR_SUBIMAGE(imar,kk) ; im->xo = tt ; im->dx = dset->taxis->ttdel ; /* origin and delta */ if( dset->taxis->units_type == UNITS_MSEC_TYPE ){ /* convert to sec */ im->xo *= 0.001 ; im->dx *= 0.001 ; } } } else { for( kk=0 ; kk < ns ; kk++ ){ im = IMARR_SUBIMAGE(imar,kk) ; im->xo = 0.0 ; im->dx = 1.0 ; } } free(far) ; RETURN(imar); }