Exemple #1
0
int main (int argc,char *argv[])
{/* Main */    
   static char FuncName[]={"SpharmReco"}; 
   SUMA_GENERIC_PROG_OPTIONS_STRUCT *Opt;  
   SUMA_GENERIC_ARGV_PARSE *ps=NULL;
   SUMA_SurfSpecFile *Spec = NULL;
   int *isin=NULL;
   int   i = -1, ii, jj, kk, il, N_Spec=0, i3, OK, 
         l, lc, ncol=0, nrow=0, dims[20], N_dims=0, N_surfs=0, j, j_l;
   SUMA_Boolean exists=NOPE;
   float *far=NULL, *xbuf=NULL, *ybuf=NULL, *zbuf=NULL;
   double  *dv=NULL, fac = 0.0;
   complex *cv=NULL;
   SUMA_FORM_AFNI_DSET_STRUCT *OptDs = NULL;
   SUMA_SurfaceObject *SO = NULL, *SOt=NULL;
   SUMA_VOLPAR *vp = NULL;
   SUMA_MX_VEC *y_l=NULL, *y_l_t=NULL;
   SUMA_MX_VEC *betal=NULL;
   SUMA_MX_VEC *xe=NULL, *sm=NULL, *yc=NULL;
   SUMA_MX_VEC **axe=NULL, **abeta=NULL;
   char *oname=NULL, stmp[100], *pref=NULL;
   SUMA_SO_File_Format form=SUMA_FF_NOT_SPECIFIED;
   SUMA_SO_File_Type tp=SUMA_FT_NOT_SPECIFIED;
   SUMA_OPT_SPHERICAL_BASES optb;
   void *SO_name=NULL;
   struct  timeval tt; 
   int oform= SUMA_NO_DSET_FORMAT;
   char *ooo=NULL;
   float *fbuf=NULL;
   SUMA_DSET *out_dset = NULL;
   SUMA_Boolean do_surf_xyz = NOPE;
   SUMA_Boolean LocalHead = NOPE;
   
   SUMA_STANDALONE_INIT;
	SUMA_mainENTRY;

   /* Allocate space for DO structure */
	SUMAg_DOv = SUMA_Alloc_DisplayObject_Struct (SUMA_MAX_DISPLAYABLE_OBJECTS);
   ps = SUMA_Parse_IO_Args(argc, argv, "-i;-spec;-talk;-o;");
 
   if (argc < 2) {
      usage_SpharmReco(ps);
      exit (1);
   }
   
   Opt = SUMA_SpharmReco_ParseInput (argv, argc, ps);
   
   if (Opt->debug) LocalHead = YUP;
   if (Opt->n_in_namev < 1) {
      SUMA_S_Err("No Coef!");
      exit (1);
   }
   if (ps->o_N_surfnames) do_surf_xyz = YUP;
   
   if (!ps->o_N_surfnames && !Opt->out_prefix) {
      SUMA_S_Notev("Using default prefix of %s\n", "spharm_sm");
      Opt->out_prefix = SUMA_copy_string("spharm_sm");
   }

   if ((Opt->n_in_namev % 3) && do_surf_xyz) {
      SUMA_S_Errv("Number of coefficient options (%d) must be\n"
                  "a multiple of three if output is \n"
                  "to be treated as x, y, z coordinates\n", Opt->n_in_namev);
      exit(1);            
   }
   /* decide on output form */
   if (Opt->out_prefix) {
      oform = SUMA_GuessFormatFromExtension(Opt->out_prefix,"something.1D.dset");
   }
   if (Opt->debug > 2) LocalHead = YUP;
   
   /* check on inputs */
   optb.SOu=NULL;
   optb.BasesFileRoot=Opt->bases_prefix;
   optb.SaveBases=Opt->bases_prefix;
   optb.debug = Opt->debug;
   
   N_surfs = ps->s_N_surfnames + ps->i_N_surfnames + ps->t_N_surfnames;
   if (( N_surfs != 1)) {
      SUMA_S_Errv("You must provide only one surface.\n"
                  "Have %d on command line.\n", N_surfs);
      exit(1);
   } 
   
   Spec = SUMA_IO_args_2_spec(ps, &N_Spec);
   if (N_Spec == 0) {
      SUMA_S_Err("No surfaces found.");
      exit(1);
   }
   if (N_Spec != 1) {
      SUMA_S_Err("Multiple spec at input.");
      exit(1);
   }

   for (i=0; i<N_surfs; ++i) {
      SO = SUMA_Load_Spec_Surf(Spec, i, ps->sv[i], 0);
      if (!SO) {
            fprintf (SUMA_STDERR,"Error %s:\n"
                                 "Failed to find surface\n"
                                 "in spec file. \n",
                                 FuncName );
            exit(1);

      }   
      if (Opt->debug > 2) SUMA_Print_Surface_Object(SO, SUMA_STDERR); 
      if (!SO->normdir) SO->normdir = 1;  /* set it to something */
      SOt = SUMA_CreateChildSO( SO, NULL, -1, NULL, -1, 0);
      if (!SOt->State) {SOt->State = SUMA_copy_string("spharm_domain"); }
      if (!SOt->Group) {SOt->Group = SUMA_copy_string("spharm_domain"); }
   }
   
   /* see if SUMA talk is turned on */
   if (ps->cs->talk_suma) {
      ps->cs->istream = SUMA_GEOMCOMP_LINE;
      if (!SUMA_SendToSuma (SO, ps->cs, NULL, SUMA_NO_DSET_TYPE, 0)) {
         SUMA_SL_Err("Failed to initialize SUMA_SendToSuma");
         ps->cs->Send = NOPE;
         ps->cs->talk_suma = NOPE;
      }
      SUMA_SendSumaNewSurface(SO, ps->cs);
   }
   
   /* Number of coefficients */
   axe   = (SUMA_MX_VEC **)SUMA_calloc(Opt->n_in_namev, sizeof(SUMA_MX_VEC*));
   abeta = (SUMA_MX_VEC **)SUMA_calloc(Opt->n_in_namev, sizeof(SUMA_MX_VEC*));
   
   /* initialize output variables  */
   for (i=0; i<Opt->n_in_namev; ++i) {
      dims[0] = SO->N_Node; dims[1] = 1;  N_dims = 2;
      axe[i]   = SUMA_NewMxVec(SUMA_double, 2, dims, 1);
      if (Opt->debug > 1)  SUMA_ShowMxVec(axe[i], 1, NULL, "\naxe[i]\n");
      N_dims = -1;            /* take whatever is in file, otherwise, 
                                 should setup dims[0] and dims[1]    */
      abeta[i] = SUMA_Read1DMxVec(SUMA_double, Opt->in_namev[i], dims, &N_dims);
      if (Opt->debug > 1)  SUMA_ShowMxVec(abeta[i], 1, NULL, "\nabeta[i]\n");
   }

   SUMA_Spherical_Bases(&l, NULL);  /* init SUMA_Spherical_Bases */
  
   /* start timer*/
   SUMA_etime2(FuncName, NULL, NULL);
   
   /* A record of matrices and processes to follow for spharm reconstruction
      Here y_l, for each l, and beta are loaded from files created by SpharmDeco  
      N_Node   : Number of points in parametrization of sphere
      sigma    : the smoothing kernel 0 == No smoothing, 0.01 
               (quite a bit of smoothing).
                 the higher the sigma the more the attenuation of higher 
                 degree harmonics. 
      for l = 0;
         y_l      : l th degree harmonic             complex l+1      x  N_Node
                    turned to real since 
                    imaginary is all 0
         y_l_t    : y_l'                              double  N_Node   x  l+1
         XX vt       : y_l * y_l_t                    double  l+1      x  l+1
         XX vt2      : inv(vt)                        double  l+1      x  l+1  
         XX Ycommon  : vt2 * y_l                      double  l+1      x  N_Node
         XX betal    : Ycommon * x                    double  l+1      x  1
         betal    : filled from beta(l,0:2l)          double  l+1      x  1
                    (beta(0,0), really)  
         xe       : y_l_t * betal                     double  N_Node   x  1
      
      for l > 0;
         y_l      : l th degree harmonic              complex l+1      x  N_Node
                    turned to real of dimensions:     double  2*l+1    x  N_Node
                    where the imaginary part of y_l 
                    is appended below the real part
         y_l_t    : y_l'                               double  N_Node   x  2*l+1
         XX vt       : y_l * y_l_t                     double  2*l+1    x  2*l+1
         XX vt2      : inv(vt)                         double  2*l+1    x  2*l+1
         XX Ycommon  : vt2 * y_l                       double  2*l+1    x  N_Node
         XX dif_vec_x: x - xe                          double  N_Node   x  1
         betal    : filled from beta(l,0:2l)           double  2*l+1    x  1
         sm       : y_l_t * betal                      double  N_Node   x  1
         fac      : exp((-l*(l+1))*sigma)              double  1        x  1          
         xe       : xe + fac * sm                      double  N_Node   x  1
                    xe is the estimate of x up to order l harmonics
      
      beta     : lower triangular matrix where betal   double  l+1      x 2l+1
                 are  stored for all l degrees
   */
   l=0;
   do {
      
      lc = l;
      y_l = SUMA_Spherical_Bases(&lc, &optb);   
         /*  y_l is equal to Y' in Moo's SPHARsmooth.m function   */
      if (lc < l) {                             
         /*  The function will read in the bases from disk        */
         Opt->iopt = lc;   /*  y_l is a (l+1 x N_Node) complex matrix.    */
         SUMA_S_Notev("Cannot go for order higher than %d\n.", lc);
         goto NEXT_L;
      }
      
      do {
         if (SO) {
            if ((LocalHead && l == 0) || Opt->debug > 1) 
               SUMA_S_Notev("Using the mesh from %s for \n"
                            "a reconstruction of degree %d.\n", SO->Label, l);
            if (Opt->debug > 2) SUMA_Print_Surface_Object (SO, SUMA_STDERR);
         } else {
            SUMA_S_Err("NULL SO!!!");
            exit(1);
         }
         if (LocalHead || Opt->debug > 1)  {
                  fprintf(SUMA_STDERR,"%s: Doing l = %d\n", FuncName, l);
                  SUMA_etime2(FuncName, "Entering loop", FuncName);
         }
         if (l==0) {
            yc = SUMA_CoerceMxVec(y_l, SUMA_double, 0, NULL); 
               /* for l == 0, all imaginary comp. are 0 */
            y_l = SUMA_FreeMxVec(y_l); y_l = yc; yc = NULL; 
            y_l_t = SUMA_MxVecTranspose(y_l, NULL);
               /*  y_l is equal to Y' in Moo's SPHARsmooth.m function*/
            if (Opt->debug > 1)  
               SUMA_ShowMxVec(y_l_t, 1, NULL, "\ny_l_t matrix\n");
            dims[0] = 2*l+1; dims[1] = 1;
            betal = SUMA_NewMxVec(SUMA_double, 2, dims, 1);
            for (jj=0; jj<Opt->n_in_namev; ++jj) {
               for (i=0;i<=2*l;++i) { mxvd2(betal,i,0) = mxvd2(abeta[jj],l, i); }
               if (Opt->debug > 1) 
                  SUMA_ShowMxVec(betal, 1, NULL, "\nbetal matrix\n");
               xe = SUMA_MxVecMult(y_l_t, betal, NULL, 0);
               if (Opt->debug > 1) {
                  SUMA_ShowMxVec(xe, 1, NULL, "\nxe vector\n");
                  if (Opt->debug > 2) 
                     SUMA_WriteMxVec(xe, "xe_l0.1D", "#xe vector");
               }
               axe[jj] = xe; xe = NULL;
            }
         } else { /* higher order, need to deal with real and imaginary parts*/
            /* Catenate the columns of y_l with the real columns first 
            (negative harmonics), followed by imaginary ones (positive harms.)*/ 
            
            sprintf(stmp, "Starting with order l=%d", l);
            if (Opt->debug) SUMA_etime2(FuncName, stmp, FuncName);
            y_l = SUMA_YLcomp_to_YLdoub(&y_l, Opt->debug); /* Now y_l is real */
            if (Opt->debug ) SUMA_etime2(FuncName, "Created y_l", FuncName);
            
            if (Opt->debug > 2) {
               SUMA_WriteMxVec(y_l, "y_l.1D.dset", "#y_l real matrix\n");
            }
            y_l_t = SUMA_MxVecTranspose(y_l, NULL);   
               /*  y_l is equal to Y' in Moo's SPHARsmooth.m function*/
            if (Opt->debug > 1)  
               SUMA_ShowMxVec(y_l_t, 1, NULL, "\ny_l_t matrix\n");
            if (Opt->debug ) SUMA_etime2(FuncName, "Trasnposed y_l", FuncName);
            
            fac = exp((double)(-l*(l+1))*Opt->v0);
            dims[0] = 2*l+1; dims[1] = 1;
            betal = SUMA_NewMxVec(SUMA_double, 2, dims, 1);
            for (jj=0; jj<Opt->n_in_namev; ++jj) {
               xe = axe[jj];
               for (i=0;i<=2*l;++i) { mxvd2(betal,i,0) = mxvd2(abeta[jj],l, i); }
               if (Opt->debug > 1) 
                  SUMA_ShowMxVec(betal, 1, NULL, "\nbetal matrix\n");
               sm = SUMA_MxVecMult(y_l_t, betal, sm, 0); 
               if (Opt->debug > 1) { 
                  sprintf(stmp,"\nsm_%d  vector\n", jj);   
                  SUMA_ShowMxVec(sm , 1, NULL, stmp); 
               }  
               for (i=0;i<xe->N_vals;++i) {   
                  mxvd1(xe,i) += fac * mxvd1(sm,i);   
               }  
               if (Opt->debug > 1) { 
                  sprintf(stmp,"\n%d_estimate  vector\n", jj);   
                  SUMA_ShowMxVec(xe, 1, NULL, stmp);    
                  sprintf(stmp,"%d_estimate_l%d.1D.dset", jj, l);   
                  if (Opt->debug > 2) 
                     SUMA_WriteMxVec(xe, stmp, "#estimate at last l\n"); 
               }
            }  
            if (Opt->debug) SUMA_etime2(FuncName, "Refit residual", FuncName);
         }
         
         /* store new coordinates, in a temp surface, fun to update as we're
            progressing in case want to feed suma at some point*/
         if (do_surf_xyz) {
            if (l==0 && ps->cs->Send && Opt->debug) {
               SUMA_S_Warn("Assuming coefficients are XYZ of surfaces !\n"
                           "Only the 1st three data columns will be used\n"
                           "in talk_suma mode.\n"
                           "Warnings muted for l > 0\n");
            }
            for (i=0; i<SO->N_Node; ++i) {
               i3 = 3*i;
               SOt->NodeList[i3  ] = mxvd1(axe[0], i);
               SOt->NodeList[i3+1] = mxvd1(axe[1], i);
               SOt->NodeList[i3+2] = mxvd1(axe[2], i);
            }
         }
         
         if (ps->cs->Send) { /* send the smoothed coords  */
            if (do_surf_xyz) { /* surface coordinates */
               if (l > 0) {
                  if (Opt->debug) {
                     SUMA_S_Notev("[%f %f %f]\n", 
                              SOt->NodeList[0], 
                              SOt->NodeList[1], SOt->NodeList[2]);
                  }
                  if (!SUMA_SendToSuma (  SO, ps->cs, (void *)SOt->NodeList, 
                                          SUMA_NODE_XYZ, 1)) {
                     SUMA_SL_Warn(  "Failed in SUMA_SendToSuma\n"
                                    "Communication halted.");
                  }
               }
            } else {
               if (l > 0) {
                  if (!fbuf) fbuf = (float *)SUMA_malloc(SO->N_Node*
                                                         sizeof(float));
                  for (i=0; i<SO->N_Node; ++i) fbuf[i] = mxvd1(axe[0], i);
                  if (!SUMA_SendToSuma (  SO, ps->cs, 
                                          (void *)fbuf, 
                                          SUMA_NODE_RGBAb, 1)) {
                     SUMA_SL_Warn(  "Failed in SUMA_SendToSuma\n"
                                    "Communication halted.");
                  }
               }
            }
         }

         /* Done with order l */
         if (y_l) y_l = SUMA_FreeMxVec(y_l);
         if (y_l_t) y_l_t = SUMA_FreeMxVec(y_l_t);
         if (betal) betal = SUMA_FreeMxVec(betal);
         
         if (Opt->debug ) {
            SUMA_S_Note("MemCheck:");
            MCHECK;
         }
         
      } while (0);
      NEXT_L:
      ++l; 
   } while (l <= Opt->iopt);
   --l; /* back to where you stopped, kid */
   
   
   /* Now create an output data set for the reconstructed data */
   out_dset = SUMA_CreateDsetPointer(
         Opt->out_prefix ? Opt->out_prefix:"spharm_reco",  
         SUMA_NODE_BUCKET,                /* mix and match */
         NULL,    /* no idcode, let the function create one from the filename*/
         NULL,       /* no domain str specified */
         SO->N_Node    /* Number of nodes allocated for */
         );
   /* add results */
   for (jj=0; jj<Opt->n_in_namev; ++jj) {
      if (!fbuf) fbuf = (float *)SUMA_malloc(SO->N_Node*sizeof(float));
      for (i=0; i<SO->N_Node; ++i) fbuf[i] = mxvd1(axe[jj], i);
      if (!SUMA_AddDsetNelCol(  out_dset, "sp_reco", SUMA_NODE_FLOAT, 
                                fbuf, NULL, 1)) {
            SUMA_S_Err("Failed to update output.");
            exit(1);
      }
      axe[jj] = SUMA_FreeMxVec(axe[jj]); 
   }
   
   if (Opt->out_prefix) {
      /* write out the data */
      ooo = SUMA_WriteDset_s( Opt->out_prefix, out_dset, 
                              oform, THD_ok_overwrite(), 0);
      if (Opt->debug) SUMA_S_Notev("Wrote %s\n", ooo);
      SUMA_free(ooo); ooo=NULL;   
   }
   
   /* do we need to write out surfaces? */
   if (do_surf_xyz && ps->o_N_surfnames) {
      for (i=0; i<Opt->n_in_namev/3; ++i) {   
         if (ps->o_N_surfnames == Opt->n_in_namev/3) {
            pref = SUMA_copy_string(ps->o_surfnames[i]);
            tp = ps->o_FT[i];
            form = ps->o_FF[i];
         } else {
            sprintf(stmp, "s%02d", i);
            pref = SUMA_append_string(ps->o_surfnames[0], stmp);
            tp = ps->o_FT[0];
            form = ps->o_FF[0];
         }
         if (Opt->debug) {
            SUMA_S_Notev("Prepping to write surface %s\n"
                         "with X Y Z from cols. %d %d %d\n"
                         , pref, i*3, 1+i*3, 2+i*3);
         }
         xbuf = (float*)out_dset->dnel->vec[0+i*3];
         ybuf = (float*)out_dset->dnel->vec[1+i*3];
         zbuf = (float*)out_dset->dnel->vec[2+i*3];
         for (ii=0; ii<SO->N_Node; ++ii) {
            i3 = 3*ii;
            SO->NodeList[i3  ] = xbuf[ii];
            SO->NodeList[i3+1] = ybuf[ii];
            SO->NodeList[i3+2] = zbuf[ii];
         }
         /* write the surface */
         SO_name = SUMA_Prefix2SurfaceName(pref, NULL, NULL, tp, &exists);
         if (!THD_ok_overwrite() && exists) {
            fprintf(SUMA_STDERR,"Warning %s:\nOutput surface %s* on disk.\n"
                                "Will not overwrite.\n", FuncName, pref);
            exit(1);
         }
         if (Opt->debug) {
            SUMA_S_Notev("Saving surface under prefix %s\n", pref);
         }
         if (!SUMA_Save_Surface_Object (SO_name, SO, tp, form, NULL)) {
            SUMA_S_Err("Failed to write reconstructed surface!");
            exit(1);   
         }
      }
   }
   
   /* clean and quit */
   if (fbuf) SUMA_free(fbuf);
   
   for (i=0; i<Opt->n_in_namev; ++i) {
      SUMA_FreeMxVec(abeta[i]);
   }
   SUMA_free(axe); axe = NULL;
   SUMA_free(abeta); abeta = NULL;
   
   if (sm) sm = SUMA_FreeMxVec(sm);
   
   SUMA_Spherical_Bases(&l, NULL);  /* clean SUMA_Spherical_Bases */

   /* you don't want to exit rapidly because the 
      SUMA might not be done processing the last elements*/
   if (ps->cs->Send && !ps->cs->GoneBad) {
      /* cleanup and close connections */
      if (!SUMA_SendToSuma (SO, ps->cs, NULL, SUMA_NODE_XYZ, 2)) {
         SUMA_SL_Warn("Failed in SUMA_SendToSuma\nCleanup failed");
      }
   }   
   
   if (N_Spec) {
      int k=0; 
      for (k=0; k<N_Spec; ++k) {
         if (!SUMA_FreeSpecFields(&(Spec[k]))) { 
            SUMA_S_Err("Failed to free spec fields"); } 
      }
      SUMA_free(Spec); Spec = NULL; N_Spec = 0;
   }
   if (out_dset) SUMA_FreeDset(out_dset); out_dset = NULL;
   if (ps) SUMA_FreeGenericArgParse(ps); ps = NULL;
   if (Opt) Opt = SUMA_Free_Generic_Prog_Options_Struct(Opt);
   if (!SUMA_Free_CommonFields(SUMAg_CF)) 
      SUMA_error_message(FuncName,"SUMAg_CF Cleanup Failed!",1);
   
   exit(0);
   
} 
Exemple #2
0
int main (int argc,char *argv[])
{/* Main */    
   static char FuncName[]={"SurfToSurf"}; 
   SUMA_GENERIC_PROG_OPTIONS_STRUCT *Opt;  
   SUMA_GENERIC_ARGV_PARSE *ps=NULL;
   SUMA_SurfaceObject *SO1=NULL, *SO2 = NULL;
   SUMA_SurfSpecFile *Spec = NULL;
   SUMA_M2M_STRUCT *M2M = NULL;
   int N_Spec=0, *nodeind = NULL, N_nodeind, icol, i, j;
   MRI_IMAGE *im = NULL, *im_data=NULL;
	int nvec=0, ncol=0, nvec_data=0, ncol_data=0, Nchar=0;
   float *far = NULL, *far_data=NULL, *dt = NULL, *projdir=NULL;
   char *outname = NULL, *s=NULL, sbuf[100];
   void *SO_name = NULL;   
   FILE *outptr=NULL;
   SUMA_Boolean exists = NOPE;
   SUMA_INDEXING_ORDER d_order = SUMA_NO_ORDER;
   SUMA_STRING *SS=NULL;
   SUMA_Boolean LocalHead = NOPE;

   SUMA_STANDALONE_INIT;
	SUMA_mainENTRY;

   /* Allocate space for DO structure */
	SUMAg_DOv = SUMA_Alloc_DisplayObject_Struct (SUMA_MAX_DISPLAYABLE_OBJECTS);
   ps = SUMA_Parse_IO_Args(argc, argv, "-i;-t;-spec;-s;-sv;-o;");
   
   Opt = SUMA_SurfToSurf_ParseInput (argv, argc, ps);
   if (argc < 2) {
      SUMA_S_Err("Too few options");
      usage_SurfToSurf(ps, 0);
      exit (1);
   }
   

   /* if output surface requested, check on pre-existing file */
   if (ps->o_N_surfnames) {
      SO_name = SUMA_Prefix2SurfaceName(ps->o_surfnames[0], 
                                        NULL, NULL, ps->o_FT[0], &exists);
      if (exists) {
         fprintf(SUMA_STDERR,
                  "Error %s:\nOutput file(s) %s* on disk.\n"
                  "Will not overwrite.\n", FuncName, ps->o_surfnames[0]);
         exit(1);
      }
   } 
   
   if (Opt->debug > 2) LocalHead = YUP;
   outname = SUMA_append_extension(Opt->out_prefix,".1D");
   if (SUMA_filexists(outname) && !THD_ok_overwrite()) {
      fprintf(SUMA_STDERR,"Output file %s exists.\n", outname);
      exit(1);
   }
   
   /* Load the surfaces from command line*/
   Spec = SUMA_IO_args_2_spec(ps, &N_Spec);
   if (N_Spec != 1) {
      SUMA_S_Err( "Multiple spec at input.\n"
                  "Do not mix surface input types together\n");
      exit(1);
   }

      if (Spec->N_Surfs != 2) {
      SUMA_S_Err("2 surfaces expected.");
      exit(1);
   }
   
   SO1 = SUMA_Load_Spec_Surf(Spec, 0, ps->sv[0], 0);
   if (!SO1) {
         fprintf (SUMA_STDERR,"Error %s:\n"
                              "Failed to find surface\n"
                              "in spec file. \n",
                              FuncName );
         exit(1);
   }
   if (!SUMA_SurfaceMetrics(SO1, "EdgeList|MemberFace", NULL)) { 
      SUMA_SL_Err("Failed to create edge list for SO1"); 
      exit(1);  
   }
   if (Opt->fix_winding) {
      int orient, trouble;
      if (LocalHead) 
         fprintf(SUMA_STDERR,
                  "%s: Making sure S1 is consistently orientated\n", FuncName);
      if (!SUMA_MakeConsistent (SO1->FaceSetList, SO1->N_FaceSet, 
                                SO1->EL, Opt->debug, &trouble)) {
         SUMA_SL_Err("Failed in SUMA_MakeConsistent");
      }
      if (trouble && LocalHead) {
         fprintf(SUMA_STDERR,
                     "%s: trouble value of %d from SUMA_MakeConsistent.\n"
                     "Inconsistencies were found and corrected unless \n"
                     "stderr output messages from SUMA_MakeConsistent\n"
                     "indicate otherwise.\n", FuncName, trouble);
      }
      if (LocalHead) 
         fprintf(SUMA_STDERR,"%s: Checking orientation.\n", FuncName);
      orient = SUMA_OrientTriangles (SO1->NodeList, SO1->N_Node, 
                                     SO1->FaceSetList, SO1->N_FaceSet, 
                                     1, 0, NULL, NULL);
      if (orient < 0) { 
         /* flipping was done, dump the edge list since it is not 
            automatically updated (should do that in function, 
            just like in SUMA_MakeConsistent,  shame on you) 
            
            If you revisit this section, use the newer:
            SUMA_OrientSOTriangles
         */ 
         if (SO1->EL) SUMA_free_Edge_List(SO1->EL); SO1->EL = NULL; 
         if (!SUMA_SurfaceMetrics(SO1, "EdgeList", NULL)) { 
            SUMA_SL_Err("Failed to create edge list for SO1"); exit(1);  
         }
         /* free normals, new ones needed (Normals should be flipped inside  of 
            SUMA_OrientTriangles! (just like in SUMA_MakeConsistent) ) */
         if (SO1->NodeNormList) SUMA_free(SO1->NodeNormList); 
            SO1->NodeNormList = NULL;
         if (SO1->FaceNormList) SUMA_free(SO1->FaceNormList); 
            SO1->FaceNormList = NULL;
      }
      if (!orient) { 
         fprintf(SUMA_STDERR,
                  "Error %s:\nFailed in SUMA_OrientTriangles\n", FuncName); 
      }
      if (LocalHead) {
         if (orient < 0) { SUMA_SL_Note("S1 was reoriented"); }
         else { SUMA_SL_Note("S1 was properly oriented"); }
      }
   }
  
   
   if (!SO1->NodeNormList || !SO1->FaceNormList) { 
      SUMA_LH("Node Normals"); SUMA_RECOMPUTE_NORMALS(SO1); 
   }
   if (Opt->NodeDbg >= SO1->N_Node) {
      SUMA_SL_Warn(  "node_debug index is larger than number "
                     "of nodes in surface, ignoring -node_debug.");
      Opt->NodeDbg = -1;
   }
      
   SO2 = SUMA_Load_Spec_Surf(Spec, 1, ps->sv[1], 0);
   if (!SO2) {
      fprintf (SUMA_STDERR,"Error %s:\n"
                           "Failed to find surface\n"
                           "in spec file. \n",
                           FuncName );
      exit(1);
   }  
   if (!SUMA_SurfaceMetrics(SO2, "EdgeList|MemberFace", NULL)) { 
      SUMA_SL_Err("Failed to create edge list for SO2"); exit(1);  
   }
   if (!SO2->NodeNormList || !SO2->FaceNormList) { 
      SUMA_LH("Node Normals"); SUMA_RECOMPUTE_NORMALS(SO2); 
   }
   
   if (LocalHead) { 
      SUMA_LH("Surf1");
      SUMA_Print_Surface_Object(SO1, NULL);
      SUMA_LH("Surf2");
      SUMA_Print_Surface_Object(SO2, NULL);
   }
   
   /* a select list of nodes? */
   nodeind = NULL; N_nodeind = 0;
   if (Opt->in_nodeindices) {
      im = mri_read_1D(Opt->in_nodeindices);
      if (!im) { SUMA_SL_Err("Failed to read 1D file of node indices"); exit(1);}
      far = MRI_FLOAT_PTR(im);
      N_nodeind = nvec = im->nx;
      ncol = im->ny;
      if (ncol != 1) { 
         SUMA_SL_Err("More than one column in node index input file."); exit(1);
      }
      nodeind = (int *)SUMA_calloc(nvec, sizeof(int));
      if (!nodeind) { SUMA_SL_Crit("Failed to allocate"); exit(1); }
      for (i=0;i<nvec;++i) { 
         nodeind[i] = (int)far[i]; 
         if (nodeind[i] < 0 || nodeind[i] >= SO1->N_Node) {
            fprintf(SUMA_STDERR, 
                    "Error %s:\n"
                    "A node index of %d was found in input file %s, entry %d.\n"
                    "Acceptable indices are positive and less than %d\n", 
                    FuncName, nodeind[i], Opt->in_nodeindices, i, SO1->N_Node);
            exit(1);
         }
      } 
      mri_free(im); im = NULL;   /* done with that baby */
   }
   
   /* a preset directions vector ?*/
   projdir = NULL; 
   if (Opt->in_1D) {
      im = mri_read_1D(Opt->in_1D);
      if (!im) { 
         SUMA_SL_Err("Failed to read 1D file of projection directions"); exit(1);
      }
      far = MRI_FLOAT_PTR(im);
      if (im->ny != 3) { 
         SUMA_SL_Err("Need three columns in projection directions file."); 
         exit(1); 
      }
      if (im->nx != SO1->N_Node) {
         fprintf(SUMA_STDERR, 
                  "Error %s: You must have a direction for each node in SO1.\n"
                  "%d directions found but SO1 has %d nodes.\n", 
                  FuncName, im->nx, SO1->N_Node);
         exit(1);
      }

      /* change to row major major and make it match nodeind */
      projdir = (float *)SUMA_calloc(SO1->N_Node*3, sizeof(float));
      if (!projdir) { SUMA_SL_Crit("Failed to allocate"); exit(1); }
      for (i=0; i<SO1->N_Node; ++i) {
         projdir[3*i  ] = far[i              ];
         projdir[3*i+1] = far[i+  SO1->N_Node];
         projdir[3*i+2] = far[i+2*SO1->N_Node];
      }
      mri_free(im); im = NULL;   /* done with that baby */

   }
   
   if (SO_name) {
      /* user is interpolating surface coords, check on other input insanity */
      if (nodeind) {
         fprintf( SUMA_STDERR, 
                  "Error %s: You cannot combine "
                  "option -o_TYPE with -node_indices", FuncName);
         exit(1);
      }
      if (Opt->in_name) {
         fprintf(SUMA_STDERR, 
                  "Error %s: You cannot combine option -o_TYPE with -data", 
                  FuncName);
         exit(1);
      }
   } 
   /* a 1D file containing data, or Data parameter (for XYZ)? */
   if (Opt->Data > 0) {
      if (Opt->in_name) {
         /* When you are ready to work with dsets, you should 
         checkout the function morphDsetToStd. It uses M2M */
         im_data = mri_read_1D(Opt->in_name);
         if (!im_data) { 
            SUMA_SL_Err("Failed to read 1D file of data"); exit(1);}
         far_data = MRI_FLOAT_PTR(im_data);
         nvec_data = im_data->nx;
         ncol_data = im_data->ny;
         if (nvec_data != SO2->N_Node) {
            SUMA_SL_Err("Your data file must have one row "
                        "for each node in surface 2.\n"); exit(1);
         }
         d_order = SUMA_COLUMN_MAJOR;
      } else { 
         im_data = NULL;
         far_data = SO2->NodeList;
         nvec_data = SO2->N_Node;
         ncol_data = 3;
         d_order = SUMA_ROW_MAJOR;
      }
   } else {
      /* just -dset */
   }
   
     

   
   if (!Opt->s) {
      SUMA_LH("Going for the mapping of SO1 --> SO2");
      M2M = SUMA_GetM2M_NN( SO1, SO2, nodeind, N_nodeind, 
                            projdir, 0, Opt->NodeDbg, Opt->iopt);
      SUMA_S_Notev("Saving M2M into %s\n\n",
               Opt->out_prefix);
      if (!(SUMA_Save_M2M(Opt->out_prefix, M2M))) {
         SUMA_S_Err("Failed to save M2M");
         exit(1);
      }
   } else {
      SUMA_S_Notev("Reusing mapping of SO1 --> SO2 from %s\n\n", 
               Opt->s);   
      if (!(M2M = SUMA_Load_M2M(Opt->s))) {
         SUMA_S_Errv("Failed to load %s\n", Opt->s);
         exit(1);
      }
   }

   /* Now show the mapping results for a debug node ? */
   if (Opt->NodeDbg >= 0) {
      char *s = NULL;
      s = SUMA_M2M_node_Info(M2M, Opt->NodeDbg);
      fprintf(SUMA_STDERR,"%s: Debug for node %d ([%f, %f, %f])of SO1:\n%s\n\n", 
                           FuncName, Opt->NodeDbg, 
                           SO1->NodeList[3*Opt->NodeDbg], 
                           SO1->NodeList[3*Opt->NodeDbg+1], 
                           SO1->NodeList[3*Opt->NodeDbg+2],
                           s); 
      SUMA_free(s); s = NULL;
   }
   
   /* Now please do the interpolation */
   if (Opt->Data > 0) {
      if (Opt->NearestNode > 1) 
         dt = SUMA_M2M_interpolate( M2M, far_data, ncol_data, 
                                    nvec_data, d_order, 0 );
      else if (Opt->NearestNode == 1) 
         dt = SUMA_M2M_interpolate( M2M, far_data, ncol_data, 
                                    nvec_data, d_order, 1 );
      if (!dt) {
         SUMA_SL_Err("Failed to interpolate");
         exit(1);
      }
   } else if (Opt->Data < 0) {
         SUMA_DSET *dset=NULL, *dseto=NULL;
         char *oname=NULL, *uname=NULL, *s1=NULL, *s2=NULL;
         int iform=SUMA_NO_DSET_FORMAT;
         if (Opt->NodeDbg>= 0) {
            SUMA_S_Notev("Processing dset %s\n", Opt->in_name);
         }
         iform = SUMA_NO_DSET_FORMAT;
         if (!(dset = SUMA_LoadDset_s (Opt->in_name, &iform, 0))) {
            SUMA_S_Errv("Failed to load %s\n", Opt->in_name);
            exit(1);
         }
         if (!(dseto = SUMA_morphDsetToStd ( dset, M2M, 
                                             Opt->NearestNode == 1 ? 1:0))) {
            SUMA_S_Errv("Failed to map %s\n", Opt->in_name);
            exit(1);
         }
         s1 = SUMA_append_string(
                  SUMA_FnameGet(Opt->in_name,"pa", SUMAg_CF->cwd),
                  Opt->out_prefix); 
         s2 = SUMA_RemoveDsetExtension_s(
               SUMA_FnameGet(Opt->in_name,"l",SUMAg_CF->cwd), 
               SUMA_NO_DSET_FORMAT);
         uname = SUMA_append_extension(s1,s2);      
         SUMA_free(s1); SUMA_free(s2);
         oname = SUMA_WriteDset_s (uname, dseto, Opt->oform, 1, 1);
         if (Opt->NodeDbg>= 0) SUMA_S_Notev("Wrote %s\n", oname);
         if (oname) SUMA_free(oname); oname=NULL;
         if (uname) SUMA_free(uname); oname=NULL;
         if (dseto) SUMA_FreeDset(dseto); dseto = NULL;
         if (dset) SUMA_FreeDset(dset); dset = NULL;      
   }
   
   SUMA_LH("Forming the remaining output");
   outptr = fopen(outname,"w");
   if (!outptr) {
      SUMA_SL_Err("Failed to open file for output.\n");
      exit(1);
   }
   
   /* first create the header of the output */
   SS = SUMA_StringAppend(NULL, NULL);
   SS = SUMA_StringAppend_va(SS, 
      "#Mapping from nodes on surf 1 (S1) to nodes on surf 2 (S2)\n"
      "#  Surf 1 is labeled %s, idcode:%s\n"
      "#  Surf 2 is labeled %s, idcode:%s\n",
      SO1->Label, SO1->idcode_str, SO2->Label, SO2->idcode_str);
   icol = 0;
   SS = SUMA_StringAppend_va(SS, "#Col. %d:\n"
                                 "#     S1n (or nj): Index of node on S1\n"
                                 , icol); 
   ++icol;
   if (Opt->NearestNode > 1) {
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d..%d:\n"
         "#     S2ne_S1n: Indices of %d nodes on S2 \n"
         "#     that are closest neighbors of nj.\n"
         "#     The first index is that of the node on S2 that is closest \n"
         "#     to nj. If -1 then these values should be ignored because\n"
         "#     in such cases, nj's projection failed.\n" 
         , icol, icol+Opt->NearestNode-1, Opt->NearestNode); 
      icol += Opt->NearestNode;
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d..%d:\n"
         "#     S2we_S1n: Weights assigned to nodes on surf 2 (S2) \n"
         "#     that are closest neighbors of nj.\n"
         , icol, icol+Opt->NearestNode-1, Opt->NearestNode); 
      icol += Opt->NearestNode;
   } else if (Opt->NearestNode == 1) {
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d:\n"
         "#     S2ne_S1n: Index of the node on S2 (label:%s idcode:%s)\n"
         "#     that is the closest neighbor of nj.\n"
         "#     If -1 then this value should be ignored because\n"
         "#     nj's projection failed.\n" 
         , icol, SO2->Label, SO2->idcode_str); 
      ++icol;
   }
   if (Opt->NearestTriangle) { 
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d:\n"
         "#     S2t_S1n: Index of the S2 triangle that hosts node nj on S1.\n"
         "#     In other words, nj's closest projection onto S2 falls on \n"
         "#     triangle S2t_S1n\n"
         "#     If -1 then this value should be ignored because \n"
         "#     nj's projection failed.\n" 
         , icol); 
      ++icol; 
   }
   if (Opt->ProjectionOnMesh) { 
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d..%d:\n"
         "#     S2p_S1n: Coordinates of projection of nj onto S2\n"
         , icol, icol+2); 
      icol += 3; 
   }
   if (Opt->DistanceToMesh) {
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d:\n"
         "#     Closest distance from nj to S2\n"
         , icol); 
         ++icol;
   }
   if (Opt->NearestNodeCoords) {
      SS = SUMA_StringAppend_va(SS, 
         "#Col. %d .. %d:\n"
         "#     X Y Z coords of nearest node\n"
         , icol,  icol+2); 
      icol += 3; 
   }
   if (Opt->Data > 0) {
      if (!Opt->in_name) {
         SS = SUMA_StringAppend_va(SS, 
      "#Col. %d..%d:\n"
      "#     Interpolation using XYZ coordinates of S2 nodes that neighbor nj\n"
      "#     (same as coordinates of node's projection onto triangle in S2, \n"
      "#     if using barycentric interpolation)\n"
         , icol, icol+2); 
      icol += 3; 
} else {
SS = SUMA_StringAppend_va(SS, 
         "#Col. %d..%d:\n"
         "#     Interpolation of data at nodes on S2 that neighbor nj\n"
         "#     Data obtained from %s\n"
         , icol, icol+ncol_data-1, Opt->in_name);  icol += ncol_data;
      }
   } 
   s = SUMA_HistString("SurfToSurf", argc, argv, NULL);
   SS = SUMA_StringAppend_va(SS, 
                                "#History:\n"
                                "#%s\n", s); SUMA_free(s); s = NULL;
   SUMA_SS2S(SS,s);
   fprintf(outptr,"%s\n",s); SUMA_free(s); s = NULL;
   
   /* put headers atop columns */
   Nchar = 6; /* if you change this number you'll need to fix  formats below */
   for (i=0; i<icol; ++i) { 
      sprintf(sbuf,"#%s", MV_format_fval2(i, Nchar -1)); 
      fprintf(outptr,"%6s   ", sbuf); 
   }
   fprintf(outptr,"\n");
   
   /* Now put in the values, make sure you parallel columns above! */
   for (i=0; i<M2M->M1Nn; ++i) {
      fprintf(outptr,"%6s   ", MV_format_fval2(M2M->M1n[i], Nchar));
      if (Opt->NearestNode > 0) {
         for (j=0; j<Opt->NearestNode; ++j) { 
            if (j < M2M->M2Nne_M1n[i]) 
               fprintf(outptr,"%6s   ", 
                  MV_format_fval2(M2M->M2ne_M1n[i][j], Nchar)); 
            else fprintf(outptr,"%6s   ", "-1"); 
         } /* Neighboring nodes */
      } 
      if (Opt->NearestNode > 1) { /* add the weights */
         for (j=0; j<Opt->NearestNode; ++j) { 
            if (j < M2M->M2Nne_M1n[i]) 
               fprintf(outptr,"%6s   ", 
                  MV_format_fval2(M2M->M2we_M1n[i][j], Nchar)); 
            else fprintf(outptr,"%6s   ", "0.0"); 
         } 
      }
      if (Opt->NearestTriangle) {
         fprintf(outptr,"%6s   ", MV_format_fval2(M2M->M2t_M1n[i], Nchar)); 
      }
      if (Opt->ProjectionOnMesh) {
         fprintf(outptr,"%6s   ", MV_format_fval2(M2M->M2p_M1n[3*i], Nchar));
         fprintf(outptr,"%6s   ", MV_format_fval2(M2M->M2p_M1n[3*i+1], Nchar));
         fprintf(outptr,"%6s   ", MV_format_fval2(M2M->M2p_M1n[3*i+2], Nchar)); 
      }
      if (Opt->DistanceToMesh) { 
         fprintf(outptr,"%6s   ", MV_format_fval2(M2M->PD[i], Nchar)); 
      }
      if (Opt->NearestNodeCoords) {
         float x=0.0,y=0.0,z=0.0;
         int n = M2M->M2ne_M1n[i][0];
         if (n>0) {
            n = n * SO2->NodeDim;
            x = SO2->NodeList[n];
            y = SO2->NodeList[n+1];
            z = SO2->NodeList[n+2];
         }
         fprintf(outptr,"%6s   ", MV_format_fval2(x, Nchar)); 
         fprintf(outptr,"%6s   ", MV_format_fval2(y, Nchar)); 
         fprintf(outptr,"%6s   ", MV_format_fval2(z, Nchar)); 
      }
      if (dt && Opt->Data > 0) {
         if (!Opt->in_name) {
            fprintf(outptr,"%6s   ", MV_format_fval2(dt[3*i], Nchar));
            fprintf(outptr,"%6s   ", MV_format_fval2(dt[3*i+1], Nchar));
            fprintf(outptr,"%6s   ", MV_format_fval2(dt[3*i+2], Nchar));
         } else { /* Column major business */
            for (j=0; j<ncol_data; ++j) { 
               fprintf(outptr,"%6s   ", 
                     MV_format_fval2(dt[i+j*M2M->M1Nn], Nchar)); }
         }
      }
      fprintf(outptr,"\n");
   }
   
   /* do they want an output surface ? */
   if (SO_name) {
      float *tmpfv = NULL;
      SUMA_LH("Writing surface");
      tmpfv = SO1->NodeList;
      SO1->NodeList = dt;
      if (!SUMA_Save_Surface_Object (SO_name, SO1, 
                                     ps->o_FT[0], ps->o_FF[0], NULL)) {
         SUMA_S_Err("Failed to write surface object.\n");
         exit (1);
      }
      SO1->NodeList = tmpfv; tmpfv = NULL;
   }
   
   if (N_Spec) {
      int k=0; 
      for (k=0; k<N_Spec; ++k) {
         if (!SUMA_FreeSpecFields(&(Spec[k]))) {
            SUMA_S_Err("Failed to free spec fields");
         } 
      }
      SUMA_free(Spec); Spec = NULL; N_Spec = 0;
   }

   if (projdir) SUMA_free(projdir); projdir = NULL;
   if (SO_name) SUMA_free(SO_name); SO_name = NULL;   
   if (outptr) fclose(outptr); outptr = NULL;
   if (dt) SUMA_free(dt); dt = NULL;
   if (s) SUMA_free(s); s = NULL;
   if (im_data) mri_free(im_data); im_data = NULL;   /* done with the data */
   if (nodeind) SUMA_free(nodeind); nodeind = NULL;
   if (M2M) M2M = SUMA_FreeM2M(M2M);
   if (SO1) SUMA_Free_Surface_Object(SO1); SO1 = NULL;
   if (SO2) SUMA_Free_Surface_Object(SO2); SO2 = NULL;
   if (Spec) SUMA_free(Spec); Spec = NULL;
   if (ps) SUMA_FreeGenericArgParse(ps); ps = NULL;
   if (Opt) Opt = SUMA_Free_Generic_Prog_Options_Struct(Opt);
   if (!SUMA_Free_CommonFields(SUMAg_CF)) SUMA_error_message(FuncName,"SUMAg_CF Cleanup Failed!",1);
   exit(0);
   
} 
Exemple #3
0
int main (int argc,char *argv[])
{/* Main */    
   static char FuncName[]={"ConvexHull"}; 
	int i, i3, nspec = 0;
   void *SO_name=NULL;
   SUMA_SurfaceObject *SO = NULL;
   SUMA_GENERIC_PROG_OPTIONS_STRUCT *Opt;  
   char  stmp[200];
   SUMA_Boolean exists = NOPE;
   SUMA_Boolean LocalHead = NOPE;
   SUMA_GENERIC_ARGV_PARSE *ps=NULL;

   SUMA_STANDALONE_INIT;
	SUMA_mainENTRY;
   
   
   /* Allocate space for DO structure */
	SUMAg_DOv = SUMA_Alloc_DisplayObject_Struct (SUMA_MAX_DISPLAYABLE_OBJECTS);
   ps = SUMA_Parse_IO_Args(argc, argv, "-o;-i;-sv;");
   
   if (argc < 2) {
      usage_SUMA_ConvexHull(ps);
      exit (1);
   }
   
   Opt = SUMA_ConvexHull_ParseInput (argv, argc, ps);
      
   SO_name = SUMA_Prefix2SurfaceName(Opt->out_prefix, NULL, NULL, 
                                     Opt->SurfFileType, &exists);
   if (exists && !THD_ok_overwrite()) {
      SUMA_S_Err("Output file(s) %s* on disk.\nWill not overwrite.\n", 
                 Opt->out_prefix);
      exit(1);
   }
   
   if (Opt->obj_type < 0) {
      if (Opt->in_name) {
         if (Opt->debug) {
            SUMA_S_Note("Creating mask...");
         }
         if (!SUMA_Get_isosurface_datasets (Opt)) {
            SUMA_SL_Err("Failed to get data.");
            exit(1);
         }

         if (Opt->debug > 1) {
            if (Opt->debug == 2) {
               FILE *fout=fopen("inmaskvec.1D","w");
               SUMA_S_Note("Writing masked values...\n");
               if (!fout) {
                  SUMA_SL_Err("Failed to write maskvec");
                  exit(1);
               }
               fprintf(fout,  "#Col. 0 Voxel Index\n"
                              "#Col. 1 Is a mask (all values here should be 1)\n" );
               for (i=0; i<Opt->nvox; ++i) {
                  if (Opt->mcdatav[i]) {
                     fprintf(fout,"%d %.2f\n", i, Opt->mcdatav[i]);
                  }
               }
               fclose(fout); fout = NULL;
            } else {
               FILE *fout=fopen("maskvec.1D","w");
               SUMA_S_Note("Writing all mask values...\n");
               if (!fout) {
                  SUMA_S_Err("Failed to write maskvec");
                  exit(1);
               }
               fprintf(fout,  "#Col. 0 Voxel Index\n"
                              "#Col. 1 Is in mask ?\n" );
               for (i=0; i<Opt->nvox; ++i) {
                  fprintf(fout,"%d %.2f\n", i, Opt->mcdatav[i]);
               }
               fclose(fout); fout = NULL;
            }
         }
      } else if (Opt->in_1D) {
            MRI_IMAGE *im = NULL;
            float *far=NULL;
            int nx2;
            
            /* load the 1D file */
            im = mri_read_1D (Opt->in_1D);
            if (!im) {
               SUMA_S_Err("Failed to read file");
               exit(1);
            }   

            far = MRI_FLOAT_PTR(im);
            if (im->nx == 0) {
               fprintf(SUMA_STDERR,"Error %s:\n Empty file %s.\n", FuncName, Opt->in_1D);
               exit(1);
            }
            if (im->ny != 3) {
               fprintf(SUMA_STDERR,"Error %s:\n Found %d columns in %s. Expecting 3\n", FuncName, im->ny, Opt->in_1D);
               exit(1);
            }
            
            /* copy the columns */
            Opt->N_XYZ = im->nx;
            Opt->XYZ = (float *)SUMA_malloc(im->nx*im->ny*sizeof(float));
            if (!Opt->XYZ) {
               SUMA_S_Crit("Failed to allocate.");
               exit(1);
            }
            nx2 = 2*im->nx;
            for (i=0;i<Opt->N_XYZ; ++i) {
               i3 = 3*i;
               Opt->XYZ[i3  ] = far[i];
               Opt->XYZ[i3+1] = far[i+im->nx];
               Opt->XYZ[i3+2] = far[i+nx2];
            }
            
            /* done, clean up and out you go */
            if (im) mri_free(im); im = NULL; 
      } else if (ps->i_N_surfnames) {
         SUMA_SurfSpecFile *Spec=NULL;
         SUMA_SurfaceObject *SO=NULL;
         
         if (ps->i_N_surfnames > 1) {
            SUMA_S_Err("Only 1 input surface allowed!");
            exit(1);
         }
         Spec = SUMA_IO_args_2_spec(ps, &nspec);
         if (!Spec) {
            SUMA_S_Err("Failed to create spec!");
            exit(1);
         }
         if (nspec != 1) {
            SUMA_S_Warn("Expected one spec and nothing else");
         }
         /* load the surface object */
         SO = SUMA_Load_Spec_Surf(Spec, 0, ps->sv[0], 0);
         if (!SO) {
            SUMA_S_Err("Failed to read surface.");
            exit(1);
         }
         /* transfer coords */
         if(SO->NodeDim != 3) {
            SUMA_S_Err("bad node coords.");
            exit(1);
         }
         
         Opt->N_XYZ = SO->N_Node;
         Opt->XYZ = (float *)SUMA_malloc(SO->N_Node * SO->NodeDim * sizeof(float));
         if (!Opt->XYZ) {
            SUMA_S_Crit("Failed to allocate.");
            exit(1);
         }
         for (i=0;i<SO->NodeDim*SO->N_Node; ++i) Opt->XYZ[i] = SO->NodeList[i];
         
         if (nspec) {
            int k=0; 
            for (k=0; k<nspec; ++k) {
               if (!SUMA_FreeSpecFields(&(Spec[k]))) { SUMA_S_Err("Failed to free spec fields"); } 
            }
            SUMA_free(Spec); Spec = NULL; nspec = 0;
         }

         if (SO) SUMA_Free_Surface_Object(SO); SO = NULL;
      } else {
         SUMA_S_Err("No input!");
         exit(1);
      }
   } else {
      SUMA_S_Err("Bad input!");
      exit(1);
   }
   
               
   /* Now call Marching Cube functions */
   if (!(SO = SUMA_ConvexHullSurface(Opt))) {
      SUMA_S_Err("Failed to create surface.\n");
      exit(1);
   }

   /* write the surface to disk */
   if (!SUMA_Save_Surface_Object (SO_name, SO, 
                        Opt->SurfFileType, Opt->SurfFileFormat, NULL)) {
      fprintf (SUMA_STDERR,
                  "Error %s: Failed to write surface object.\n", FuncName);
      exit (1);
   }
   
   if (ps) SUMA_FreeGenericArgParse(ps); ps = NULL;
   if (Opt->fvec) SUMA_free(Opt->fvec); Opt->fvec = NULL;
   if (Opt->mcdatav) {SUMA_free(Opt->mcdatav); Opt->mcdatav = NULL;} 
   if (Opt->in_vol) { DSET_delete( Opt->in_vol); Opt->in_vol = NULL;} 
   if (Opt->out_prefix) SUMA_free(Opt->out_prefix); Opt->out_prefix = NULL;
   if (Opt->XYZ) SUMA_free(Opt->XYZ); Opt->XYZ = NULL;
   if (Opt) SUMA_free(Opt);
   if (!SUMA_Free_Displayable_Object_Vect (SUMAg_DOv, SUMAg_N_DOv)) {
      SUMA_SL_Err("DO Cleanup Failed!");
   }
   if (SO_name) SUMA_free(SO_name); SO_name = NULL;
   if (!SUMA_Free_CommonFields(SUMAg_CF)) SUMA_error_message(FuncName,"SUMAg_CF Cleanup Failed!",1);
   exit(0);
}   
int main (int argc,char *argv[])
{/* Main */    
   static char FuncName[]={"SurfPatch"};
   SUMA_GETPATCH_OPTIONS *Opt; 
   char *ppref=NULL, ext[5]; 
   float *far=NULL;
   MRI_IMAGE *im = NULL;
   int SO_read = -1;
   int   *NodePatch=NULL, N_NodePatch=-1, *FaceSetList=NULL , 
         N_FaceSet = -1, N_Node = -1, N_Spec=0;          
   int i, inodeoff=-1, ilabeloff=-1, nvec, ncol, cnt;
   SUMA_SurfaceObject *SO = NULL;
   SUMA_PATCH *ptch = NULL; 
   SUMA_SurfSpecFile *Spec;
   SUMA_INDEXING_ORDER d_order;
   void *SO_name = NULL;
   SUMA_Boolean exists = NOPE;
   SUMA_SO_File_Type typetmp;
   SUMA_SurfaceObject *SOnew = NULL;
   float *NodeList = NULL;
   SUMA_GENERIC_ARGV_PARSE *ps=NULL;
   SUMA_Boolean LocalHead = NOPE;
	
   SUMA_STANDALONE_INIT;
   SUMA_mainENTRY;
   
   
   ps = SUMA_Parse_IO_Args(argc, argv, "-i;-t;-spec;-s;-sv;");
   
	/* Allocate space for DO structure */
	SUMAg_DOv = SUMA_Alloc_DisplayObject_Struct (SUMA_MAX_DISPLAYABLE_OBJECTS);
   
   Opt = SUMA_GetPatch_ParseInput (argv, argc, ps);
   if (argc < 2)
    {
       SUMA_S_Err("Too few options");
       usage_SUMA_getPatch(ps, 0);
       exit (1);
    }


   /* read all surfaces */
   Spec = SUMA_IO_args_2_spec(ps, &N_Spec);
   if (N_Spec == 0) {
      SUMA_S_Err("No surfaces found.");
      exit(1);
   }

   if (N_Spec > 1 ) {
      SUMA_S_Err( "Mike, you cannot mix -spec with -i or -t options "
                  "for specifying surfaces.");
      exit(1);
   }
   
   if (Spec->N_Surfs < 1) {
      SUMA_S_Err("No surfaces");
      exit(1);
   }
     
   if (Opt->DoVol && Spec->N_Surfs != 2) {
      SUMA_S_Errv("Must specify 2 and only 2 surfaces with -vol options\n"
                  "Have %d from the command line\n",Spec->N_Surfs);
      exit(1);
   }
   
   if (Opt->oType != SUMA_FT_NOT_SPECIFIED && !Opt->VolOnly) { 
      for (i=0; i < Spec->N_Surfs; ++i) {
         if (Spec->N_Surfs > 1) {
            sprintf(ext, "_%c", 65+i);
            ppref = SUMA_append_string(Opt->out_prefix, ext);
         } else {
            ppref = SUMA_copy_string(Opt->out_prefix);
         }
         
         SO_name = SUMA_Prefix2SurfaceName(ppref, NULL, NULL, 
                                           Opt->oType, &exists);
         if (exists && !THD_ok_overwrite()) {
            fprintf(SUMA_STDERR, "Error %s:\nOutput file(s) %s* on disk.\n"
                                 "Will not overwrite.\n", FuncName, ppref);
            exit(1);
         }
         if (ppref) SUMA_free(ppref); ppref = NULL; 
         if (SO_name) SUMA_free(SO_name); SO_name = NULL;
      } 
   }
   
   /* read in the file containing the node information */
   im = mri_read_1D (Opt->in_name);

   if (!im) {
      SUMA_S_Errv("Failed to read 1D file '%s'\n", Opt->in_name);
      exit(1);
   }

   far = MRI_FLOAT_PTR(im);
   nvec = im->nx;
   ncol = im->ny;
   if (Opt->nodecol >= ncol || Opt->labelcol >= ncol) {
      fprintf(SUMA_STDERR, "\n"
                           "Error %s: Input file has a total of %d columns.\n"
                           "One or both user-specified node (%d) and \n"
                           "label (%d) columns are too high. Maximum usable\n"
                           "column index is %d.\n"
                           , FuncName, ncol, Opt->nodecol, 
                           Opt->labelcol, ncol -1 );
      exit(1);
   }
   
   d_order = SUMA_COLUMN_MAJOR;

   if (!nvec) {
      SUMA_SL_Err("Empty file");
      exit(1);
   }
   /* form the node vector */
   NodePatch = (int *)SUMA_malloc(sizeof(int)*nvec);
   if (!NodePatch) {
      SUMA_SL_Crit("Failed to allocate.");
      exit(1);
   }
   inodeoff = Opt->nodecol*nvec;
   if (Opt->labelcol < 0) { /* all listed nodes */ 
      for (i=0; i<nvec; ++i) {
         NodePatch[i] = far[i+inodeoff];
      }
      N_NodePatch = nvec;
   } else {
      ilabeloff =  Opt->labelcol*nvec;
      if (Opt->thislabel < 0) { /* all nodes with non zero labels */
         cnt = 0;
         for (i=0; i<nvec; ++i) {
            if (far[i+ilabeloff]) {
               NodePatch[cnt] = far[i+inodeoff];
               ++cnt;
            }
         }
         N_NodePatch = cnt;     
      } else { /* select labels */
         cnt = 0;
         for (i=0; i<nvec; ++i) {
            if (far[i+ilabeloff] == Opt->thislabel) {
               NodePatch[cnt] = far[i+inodeoff];
               ++cnt;
            }
         }
         N_NodePatch = cnt;    
      }
      NodePatch = (int *) SUMA_realloc(NodePatch , sizeof(int)*N_NodePatch);
   }
   
   /* done with im, free it */
   mri_free(im); im = NULL;   
   
   if (Opt->DoVol) {
      SUMA_SurfaceObject *SO1 = 
         SUMA_Load_Spec_Surf_with_Metrics(Spec, 0, ps->sv[0], 0);
      SUMA_SurfaceObject *SO2 = 
         SUMA_Load_Spec_Surf_with_Metrics(Spec, 1, ps->sv[0], 0);
      double Vol = 0.0;
      SUMA_SurfaceObject *SOp = SUMA_Alloc_SurfObject_Struct(1);
      byte *adj_N=NULL;
      
      if (Opt->adjust_contour) 
         adj_N = SUMA_calloc(SO1->N_Node, sizeof(byte));
      
      if (!SO1 || !SO2) {
         SUMA_SL_Err("Failed to load surfaces.");
         exit(1);
      }
      /* a chunk used to test SUMA_Pattie_Volume */
      Vol = SUMA_Pattie_Volume(SO1, SO2, NodePatch, N_NodePatch, 
                               SOp, Opt->minhits, 
                               Opt->FixBowTie, Opt->adjust_contour, 
                               adj_N, Opt->verb);
      fprintf (SUMA_STDOUT,"Volume = %f\n", fabs(Vol));
      if (Opt->out_volprefix) {
         if (Opt->oType != SUMA_FT_NOT_SPECIFIED) SOp->FileType = Opt->oType;
         if (Opt->flip) {
            if (Opt->verb > 1) 
               SUMA_S_Note("Flipping stitched surf's triangles\n");
            SUMA_FlipSOTriangles (SOp);
         }

         if (!(SUMA_Save_Surface_Object_Wrap ( Opt->out_volprefix, NULL,
                                               SOp, SUMA_PLY, SUMA_ASCII, 
                                               NULL))) {
            fprintf (SUMA_STDERR,
                     "Error %s: Failed to write surface object.\n", FuncName);
         }
         if (Opt->adjust_contour && adj_N) {
            Opt->out_volprefix = 
                     SUMA_append_replace_string(Opt->out_volprefix, 
                                                   ".adjneighb","",1);
            ppref = SUMA_Extension(Opt->out_volprefix, ".1D.dset", NOPE);
            SUMA_WRITE_IND_ARRAY_1D(adj_N, NULL, SO1->N_Node, 1, ppref);
            SUMA_free(ppref); ppref=NULL;
         }
      }
      if (SOp) SUMA_Free_Surface_Object(SOp); SOp = NULL;
   }
   
   
   if (!Opt->VolOnly) {
      FaceSetList = NULL;
      N_FaceSet = -1;
      for (i=0; i < Spec->N_Surfs; ++i) {/* loop to read in surfaces */
         /* now identify surface needed */
         if (!(SO = SUMA_Load_Spec_Surf_with_Metrics(Spec, i, ps->sv[0], 0))) {
            SUMA_S_Err("Failed to load surface .\n");
            exit(1);
         }
         if (SO->aSO) {
            /* otherwise, when you reset the number of FaceSets for example,
               and you still write in GIFTI, the old contents of aSO will
               prevail */
            SO->aSO = SUMA_FreeAfniSurfaceObject(SO->aSO); 
         }
         /* extract the patch */
         ptch = SUMA_getPatch (NodePatch, N_NodePatch, SO->N_Node,
                               SO->FaceSetList,  SO->N_FaceSet, 
                               SO->MF, Opt->minhits, 
                               Opt->FixBowTie, (!i && !Opt->DoVol)); 
                                    /* verbose only for first patch, and 
                                    if no volume computation was required  
                                    This is to keep the warnings to a minimum*/
         if (!ptch) {
            SUMA_SL_Err("Failed to form patch.");
            exit(1);
         }
         if (LocalHead) SUMA_ShowPatch(ptch, NULL);
      
         /* Now create a surface with that patch */
         if (Spec->N_Surfs > 1) {
            sprintf(ext, "_%c", 65+i);
            ppref = SUMA_append_string(Opt->out_prefix, ext);
         } else {
            ppref = SUMA_copy_string(Opt->out_prefix);
         }
         /* save the original type */
         typetmp = SO->FileType;
         if (Opt->oType != SUMA_FT_NOT_SPECIFIED) SO->FileType = Opt->oType;
         SO_name = SUMA_Prefix2SurfaceName(ppref, NULL, NULL, 
                                           SO->FileType, &exists);
         if (ppref) SUMA_free(ppref); ppref = NULL;
         /* save the original pointers to the facesets and their number */
         FaceSetList = SO->FaceSetList;
         N_FaceSet = SO->N_FaceSet;
         NodeList = SO->NodeList;
         N_Node = SO->N_Node;
         
         /* replace with Patch */
         SO->FaceSetList = ptch->FaceSetList;
         SO->N_FaceSet = ptch->N_FaceSet; 
         
         if (Opt->Do_p2s) {
            if (LocalHead) 
               fprintf (SUMA_STDERR,
                        "%s: Changing patch to surface...\n", FuncName);
            SOnew = SUMA_Patch2Surf(SO->NodeList, SO->N_Node, 
                                    SO->FaceSetList, SO->N_FaceSet, 3);
            if (!SOnew) {
               SUMA_S_Err("Failed to change patch to surface.");
               exit(1);
            }
            SO->FaceSetList = SOnew->FaceSetList;
            SO->N_FaceSet = SOnew->N_FaceSet;
            SO->N_Node = SOnew->N_Node;
            SO->NodeList = SOnew->NodeList;
         }
          
         if (SO->N_FaceSet <= 0) {
            SUMA_S_Warn("The patch is empty.\n"
                        " Non existing surface not written to disk.\n");
         } else {
            /* Is the gain wanted? */
            if (Opt->coordgain) {
               SUMA_SL_Note("Applying coord gain to surface nodes!");
               for (cnt=0; cnt < SO->NodeDim*SO->N_Node; ++cnt) 
                  SO->NodeList[cnt] *= Opt->coordgain;
            }
            if (Opt->flip) {
               if (Opt->verb > 1) SUMA_S_Note("Flipping triangles\n");
               SUMA_FlipTriangles (SO->FaceSetList, SO->N_FaceSet);
               SUMA_RECOMPUTE_NORMALS(SO);
            }

            if (!SUMA_Save_Surface_Object (SO_name, SO, SO->FileType, 
                                           SUMA_ASCII, NULL)) {
                  fprintf (SUMA_STDERR,
                           "Error %s: Failed to write surface object.\n", 
                           FuncName);
                  exit (1);
            }
         }
         
         /* bring SO back to shape */
         SO->FileType = typetmp;
         SO->FaceSetList = FaceSetList; FaceSetList = NULL;
         SO->N_FaceSet = N_FaceSet; N_FaceSet = -1;
         SO->NodeList = NodeList; NodeList = NULL;
         SO->N_Node = N_Node; N_Node = -1;
         
         if (SO_name) SUMA_free(SO_name); SO_name = NULL;
         if (ptch) SUMA_freePatch(ptch); ptch = NULL;
         if (SOnew) SUMA_Free_Surface_Object(SOnew); SOnew = NULL; 
               /* get rid of old surface object */
            

      }
   } 
   
   SUMA_LH("clean up");
   if (!SUMA_FreeSpecFields(Spec)) { SUMA_S_Err("Failed to free spec fields"); }
   SUMA_free(Spec); Spec = NULL;
   if (Opt->out_prefix) SUMA_free(Opt->out_prefix); Opt->out_prefix = NULL;
   if (Opt->out_volprefix) SUMA_free(Opt->out_volprefix); 
                                                Opt->out_volprefix = NULL;
   if (Opt) SUMA_free(Opt);   
   if (!SUMA_Free_Displayable_Object_Vect (SUMAg_DOv, SUMAg_N_DOv)) {
      SUMA_SL_Err("DO Cleanup Failed!");
   }
   
   if (!SUMA_Free_CommonFields(SUMAg_CF)) {
      SUMA_SL_Err("SUMAg_CF Cleanup Failed!");
   }
   
   SUMA_RETURN(0);
} 
int main (int argc,char *argv[])
{/* Main */
   static char FuncName[]={"ConvertSurface"}; 
	int kar, volexists, i, j, Doinv, randseed, Domergesurfs=0, pciref;
   float DoR2S, fv[3], *pcxyzref;
   double xcen[3], sc[3];
   double xform[4][4];
   char  *if_name = NULL, *of_name = NULL, *if_name2 = NULL, 
         *of_name2 = NULL, *sv_name = NULL, *vp_name = NULL,
         *OF_name = NULL, *OF_name2 = NULL, *tlrc_name = NULL,
         *acpc_name=NULL, *xmat_name = NULL, *ifpar_name = NULL, 
         *ifpar_name2 = NULL;
   SUMA_SO_File_Type iType = SUMA_FT_NOT_SPECIFIED, 
                     iparType = SUMA_FT_NOT_SPECIFIED,
                     oType = SUMA_FT_NOT_SPECIFIED;
   SUMA_SO_File_Format iForm = SUMA_FF_NOT_SPECIFIED, 
                        iparForm = SUMA_FF_NOT_SPECIFIED, 
                        oFormat = SUMA_FF_NOT_SPECIFIED;
   SUMA_SurfaceObject *SO = NULL, *SOpar = NULL, *SOsurf = NULL;
   SUMA_PARSED_NAME *of_name_strip = NULL, *of_name2_strip = NULL;
   SUMA_SFname *SF_name = NULL;
   void *SO_name = NULL;
   char orsurf[6], orcode[6], *PCprojpref=NULL, *NodeDepthpref=NULL;
   THD_warp *warp=NULL ;
   THD_3dim_dataset *aset=NULL;
   SUMA_Boolean brk, Do_tlrc, Do_mni_RAI, Do_mni_LPI, Do_acpc, Docen, Do_flip;
   SUMA_Boolean Doxmat, Do_wind, Do_p2s, onemore, Do_native, Do_PolDec;
   int Do_PCproj, Do_PCrot, Do_NodeDepth;
   SUMA_GENERIC_ARGV_PARSE *ps=NULL;
   SUMA_Boolean exists;
   SUMA_Boolean LocalHead = NOPE;
   
   SUMA_STANDALONE_INIT;
	SUMA_mainENTRY;
	
   /* Allocate space for DO structure */
	SUMAg_DOv = SUMA_Alloc_DisplayObject_Struct (SUMA_MAX_DISPLAYABLE_OBJECTS);
   ps = SUMA_Parse_IO_Args(argc, argv, "-o;-i;-sv;-ipar;");
   
   
   kar = 1;
   xmat_name = NULL;
   xcen[0] = 0.0; xcen[1] = 0.0; xcen[2] = 0.0;
	brk = NOPE;
   orcode[0] = '\0'; 
   randseed = 1234;
   sprintf(orsurf,"RAI");
   Docen = NOPE;
   Doxmat = NOPE;
   Do_tlrc = NOPE;
   Do_mni_RAI = NOPE;
   Do_mni_LPI = NOPE;
   Do_acpc = NOPE;
   Do_wind = NOPE;
   Do_flip = NOPE;
   Do_p2s = NOPE;
   Do_native = NOPE;
   DoR2S = 0.0;
   Do_PolDec = NOPE;
   Do_PCproj = NO_PRJ;
   Do_PCrot = NO_ROT;
   pciref = -1;
   pcxyzref = NULL;
   PCprojpref = NULL;
   NodeDepthpref = NULL;
   Do_NodeDepth = 0;
   Doinv = 0;
   Domergesurfs = 0;
   onemore = NOPE;
	while (kar < argc) { /* loop accross command ine options */
		/*fprintf(stdout, "%s verbose: Parsing command line...\n", FuncName);*/
		if (strcmp(argv[kar], "-h") == 0 || strcmp(argv[kar], "-help") == 0) {
			 usage_SUMA_ConvertSurface(ps, strlen(argv[kar]) > 3 ? 2:1);
          exit (0);
		}
		
      SUMA_SKIP_COMMON_OPTIONS(brk, kar);
      
      SUMA_TO_LOWER(argv[kar]);
		      
      if (!brk && (strcmp(argv[kar], "-seed") == 0)) {
         kar ++;
			if (kar >= argc)  {
		  		fprintf (SUMA_STDERR, "need 1 integer after -seed\n");
				exit (1);
			}
			randseed = atoi(argv[kar]); 
			brk = YUP;
		}

      if (!brk && (strcmp(argv[kar], "-xyzscale") == 0)) {
         kar ++;
			if (kar+2 >= argc)  {
		  		fprintf (SUMA_STDERR, "need 3 values after -XYZscale\n");
				exit (1);
			}
			sc[0] = strtod(argv[kar], NULL); kar ++; 
			sc[1] = strtod(argv[kar], NULL); kar ++; 
         sc[2] = strtod(argv[kar], NULL);
			xmat_name = "Scale";
         Doxmat = YUP;
         Doinv = 0;
         brk = YUP;
		}
      
      if (!brk && ( (strcmp(argv[kar], "-xmat_1d") == 0) || 
                    (strcmp(argv[kar], "-xmat_1D") == 0) ) ) {
         kar ++;
			if (kar >= argc)  {
		  		fprintf (SUMA_STDERR, "need 1 argument after -xmat_1D\n");
				exit (1);
			}
			xmat_name = argv[kar]; 
         Doxmat = YUP;
         Doinv = 0;
			brk = YUP;
		}
      
      if (!brk && ( (strcmp(argv[kar], "-ixmat_1d") == 0) || 
                    (strcmp(argv[kar], "-ixmat_1D") == 0) ) ) {
         kar ++;
			if (kar >= argc)  {
		  		fprintf (SUMA_STDERR, "need 1 argument after -ixmat_1D\n");
				exit (1);
			}
			xmat_name = argv[kar]; 
         Doxmat = YUP;
         Doinv = 1;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-polar_decomp") == 0)) {
         Do_PolDec = YUP;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-merge_surfs") == 0)) {
         Domergesurfs = 1;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-pc_proj") == 0)) {
         kar ++;
			if (kar+1 >= argc)  {
		  		fprintf (SUMA_STDERR, "need 2 argument after -pc_proj\n");
				exit (1);
			}
              if (!strcmp(argv[kar],"PC0_plane")) Do_PCproj = E1_PLN_PRJ;
         else if (!strcmp(argv[kar],"PC1_plane")) Do_PCproj = E2_PLN_PRJ;
         else if (!strcmp(argv[kar],"PC2_plane")) Do_PCproj = E3_PLN_PRJ;
         else if (!strcmp(argv[kar],"PCZ_plane")) Do_PCproj = EZ_PLN_PRJ;
         else if (!strcmp(argv[kar],"PCY_plane")) Do_PCproj = EY_PLN_PRJ;
         else if (!strcmp(argv[kar],"PCX_plane")) Do_PCproj = EX_PLN_PRJ;
         else if (!strcmp(argv[kar],"PC0_dir"))   Do_PCproj = E1_DIR_PRJ;
         else if (!strcmp(argv[kar],"PC1_dir"))   Do_PCproj = E2_DIR_PRJ;
         else if (!strcmp(argv[kar],"PC2_dir"))   Do_PCproj = E3_DIR_PRJ;
         else if (!strcmp(argv[kar],"PCZ_dir"))   Do_PCproj = EZ_DIR_PRJ;
         else if (!strcmp(argv[kar],"PCY_dir"))   Do_PCproj = EY_DIR_PRJ;
         else if (!strcmp(argv[kar],"PCX_dir"))   Do_PCproj = EX_DIR_PRJ;
         else {
            SUMA_S_Err("Bad value of %s for -pca_proj", argv[kar]);
            exit(1);
         }
         ++kar;
         if (argv[kar][0] == '-') {
            SUMA_S_Err("Prefix for -pc_proj should not start with '-'.\n"
                       "Could it be that %s is another option and \n"
                       "the prefix was forgtotten?", argv[kar]);
            exit(1);
         }
         PCprojpref = argv[kar];
			
         brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-node_depth") == 0)) {
         kar ++;
			if (kar >= argc)  {
		  		fprintf (SUMA_STDERR, "need a prefix argument after -node_depth\n");
				exit (1);
			}
         Do_NodeDepth = 1;
         if (argv[kar][0] == '-') {
            SUMA_S_Err("Prefix for -node_depth should not start with '-'.\n"
                       "Could it be that %s is another option and \n"
                       "the prefix was forgtotten?", argv[kar]);
            exit(1);
         }
         NodeDepthpref = argv[kar];
         
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-make_consistent") == 0)) {
         Do_wind = YUP;
			brk = YUP;
		}

      if (!brk && (strcmp(argv[kar], "-flip_orient") == 0)) {
         Do_flip = YUP;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-xcenter") == 0)) {
         kar ++;
			if (kar+2>= argc)  {
		  		fprintf (SUMA_STDERR, "need 3 arguments after -xcenter\n");
				exit (1);
			}
			xcen[0] = atof(argv[kar]); ++kar;
			xcen[1] = atof(argv[kar]); ++kar;
			xcen[2] = atof(argv[kar]); 
         Docen = YUP;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-native") == 0)) {
         Do_native = YUP;
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-orient_out") == 0)) {
         kar ++;
			if (kar>= argc)  {
		  		fprintf (SUMA_STDERR, "need 1 argument after -orient_out\n");
				exit (1);
			}
			snprintf(orcode, 4*sizeof(char), "%s", argv[kar]);
         if (!SUMA_ok_orstring(orcode)) {
            fprintf (SUMA_STDERR, "%s is a bad orientation string\n", orcode);
				exit (1);
         } 
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-radial_to_sphere") == 0)) {
         kar ++;
			if (kar >= argc)  {
		  		fprintf (SUMA_STDERR, "need 1 argument after -radial_to_sphere\n");
				exit (1);
			}
         DoR2S = atof(argv[kar]);
			brk = YUP;
		}
      
      if (!brk && (strcmp(argv[kar], "-patch2surf") == 0)) {
         Do_p2s = YUP;
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-xml_ascii") == 0)) {
         oFormat = SUMA_XML_ASCII_SURF;
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-xml_b64") == 0)) {
         oFormat = SUMA_XML_B64_SURF;
         brk = YUP;
      }
      if (!brk && (strcmp(argv[kar], "-xml_b64gz") == 0)) {
         oFormat = SUMA_XML_B64GZ_SURF;
         brk = YUP;
      }
      if (!brk && (strcmp(argv[kar], "-tlrc") == 0)) {
         Do_tlrc = YUP;
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-acpc") == 0)) {
         Do_acpc = YUP;
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-mni_rai") == 0)) {
         Do_mni_RAI = YUP;
         brk = YUP;
      }
      
      if (!brk && (strcmp(argv[kar], "-mni_lpi") == 0)) {
         Do_mni_LPI = YUP;
         brk = YUP;
      }
      
      if (!brk && !ps->arg_checked[kar]) {
			fprintf (SUMA_STDERR,
                  "Error %s: Option %s not understood. Try -help for usage\n", 
                  FuncName, argv[kar]);
			suggest_best_prog_option(argv[0], argv[kar]);
         exit (1);
		} else {	
			brk = NOPE;
			kar ++;
		}
   }
   if (argc < 3) {
        SUMA_S_Err("Too few options");
        usage_SUMA_ConvertSurface (ps, 0);
        exit (1);
   }
   
   /* transfer info from ps structure (backward compat) */

   if (ps->o_N_surfnames) {
      of_name = ps->o_surfnames[0];
      of_name2 = ps->o_surftopo[0];
      oType = ps->o_FT[0];
      if (oFormat == SUMA_FF_NOT_SPECIFIED) {
         oFormat = ps->o_FF[0];
      }
   }
   if (ps->i_N_surfnames) {
      if_name = ps->i_surfnames[0];
      if_name2 = ps->i_surftopo[0];
      iType = ps->i_FT[0];
      iForm = ps->i_FF[0];
   }
   if (ps->ipar_N_surfnames) {
      ifpar_name = ps->ipar_surfnames[0];
      ifpar_name2 = ps->ipar_surftopo[0];
      iparType = ps->ipar_FT[0];
      iparForm = ps->ipar_FF[0];
   }
   
   if (ps->N_sv) sv_name = ps->sv[0];
   if (ps->N_vp) vp_name = ps->vp[0];
         
   /* sanity checks */
   if (Do_native && orcode[0] != '\0') {
      SUMA_S_Err("Options -native and -orient_out are mutually exclusive");
      exit(1);   
   }
   
   if (Do_mni_LPI && Do_mni_RAI) {
      SUMA_S_Err("\nCombining -MNI_lpi and -MNI_rai options.\nNot good.");
      exit(1);
   }
   
   if (!if_name) {
      SUMA_S_Err("input surface not specified.\n");
      exit(1);
   }
   if (!of_name && (Do_PCproj < 0 && !Do_NodeDepth) ) {
      SUMA_S_Err("output surface or projection PREFIX not specified.\n");
      exit(1);
   }
   if (iType == SUMA_FT_NOT_SPECIFIED) {
      SUMA_S_Err("input type not recognized.\n");
      exit(1);
   }
   if (oType == SUMA_FT_NOT_SPECIFIED && (Do_PCproj < 0 && !Do_NodeDepth) ) {
      SUMA_S_Err("output type not recognized.\n");
      exit(1);
   }
   if (  oType != SUMA_GIFTI && 
         oFormat >= SUMA_XML_SURF && 
         oFormat <= SUMA_XML_B64GZ_SURF &&
         (Do_PCproj < 0 && !Do_NodeDepth) ){
      SUMA_S_Err("XML output options only valid with -o_gii\n");
      exit(1);
   }
   if (iType == SUMA_SUREFIT) {
      if (!if_name2) {
         SUMA_S_Err("input SureFit surface incorrectly specified.\n");
         exit(1);
      }
      if (sv_name && !vp_name) {
         SUMA_S_Err("VolParent needs the -sv option for SureFit surfaces.");
         exit(1);
      }
   }
   if (iType == SUMA_VEC) {
      if (!if_name2) {
         SUMA_S_Err("Input vec surface incorrectly specified.\n");
         exit(1);
      }
   }

   if (( Do_mni_RAI || Do_mni_LPI) && !Do_tlrc) {
      SUMA_SL_Warn ( "I hope you know what you're doing.\n"
                     "The MNI transform should only be applied to a\n"
                     "Surface in the AFNI tlrc coordinate space.\n");
   }
   
   if (Do_acpc && Do_tlrc) {
      SUMA_S_Err("You can't do -tlrc and -acpc simultaneously.");
      exit(1);
   }
   
   if ((Doxmat || Docen) && (Do_acpc || Do_tlrc)) {
      SUMA_S_Err("You can't do -tlrc or -acpc with -xmat_1D and -xcenter.\n");
      exit(1);
   }
   
   if ((!Doxmat && Docen)) {
      SUMA_S_Err("You can't use -xcenter without -xmat_1D.\n");
      exit(1);
   }
   if (oType == SUMA_SUREFIT) {
      if (!of_name2) {
       SUMA_S_Err("output SureFit surface incorrectly specified. \n");
       exit(1);
      }
   }
   
   if (oType == SUMA_VEC) {
      if (!of_name2) {
       SUMA_S_Err("output vec surface incorrectly specified. \n");
       exit(1);
      }
   }
   
   if ( ps->i_N_surfnames > 1 && !Domergesurfs) {
      SUMA_S_Err("Multiple surfaces specified without -merge_surfs option\n"
                 "Nothing to do for such an input\n");
      exit(1);
   }
   
   
   /* test for existence of input files */
   
   if (!SUMA_is_predefined_SO_name(if_name, NULL, NULL, NULL, NULL) &&
       !SUMA_filexists(if_name)) {
      SUMA_S_Errv("if_name %s not found.\n", if_name);
      exit(1);
   }
   
   if (if_name2) {
      if (!SUMA_filexists(if_name2)) {
         SUMA_S_Errv("if_name2 %s not found.\n", if_name2);
         exit(1);
      }
   }

   if (ifpar_name2) {
      if (!SUMA_filexists(ifpar_name2)) {
         SUMA_S_Errv("ifpar_name2 %s not found.\n", ifpar_name2);
         exit(1);
      }
   }
   
   if (ifpar_name) {
      if (!SUMA_filexists(ifpar_name)) {
         SUMA_S_Errv("ifpar_name %s not found.\n", ifpar_name);
         exit(1);
      }
   }
   
   if (xmat_name) {
      if (!strstr(special_xmats,xmat_name) && !SUMA_filexists(xmat_name)) {
         SUMA_S_Errv("xmat file %s not found.\n", xmat_name);
         exit(1);
      }
   } else {
      if (Do_PolDec) {
         SUMA_S_Err("-polar_decomp is useless without -xmat_1D");
         exit(1);
      }
   }

   if (sv_name) {
      char *head = NULL, view[10];
      head = SUMA_AfniPrefix(sv_name, view, NULL, &volexists);
      if (!SUMA_AfniExistsView(volexists, view) && !SUMA_filexists(sv_name)) {
         fprintf (SUMA_STDERR,
                  "Error %s: volume %s not found.\n", FuncName, head);
         exit(1);
      }
      if (head) SUMA_free(head); head = NULL;
   }
   
  
   if ((Do_tlrc || Do_acpc) && (!sv_name)) {
      fprintf (SUMA_STDERR,
               "Error %s: -tlrc must be used with -sv option.\n", FuncName);
      exit(1);
   }
   
   if (vp_name) {
      if (!SUMA_filexists(vp_name)) {
         fprintf (SUMA_STDERR,
                  "Error %s: %s not found.\n", FuncName, vp_name);
         exit(1);
      }
   }

   /* check for existence of output files */
   if ((Do_PCproj < 0 && !Do_NodeDepth) ) {
      if (of_name2) {
         SUMA_SFname *SFname;

         SO_name = SUMA_2Prefix2SurfaceName (of_name, of_name2, NULL, 
                                             vp_name, oType, &exists);
         SFname = (SUMA_SFname *)SO_name;
         OF_name2 = SUMA_copy_string(SFname->name_topo);
         OF_name = SUMA_copy_string(SFname->name_coord);
      } else {
         SO_name = SUMA_Prefix2SurfaceName (of_name, NULL, vp_name, 
                                            oType, &exists);
         OF_name = SUMA_copy_string((char *) SO_name);
      }

      if (exists && !THD_ok_overwrite()) {
         if (OF_name2) 
            fprintf (SUMA_STDERR,
                     "Error %s: output file(s) %s and/or %s exist already.\n", 
                     FuncName, OF_name, OF_name2);
         else fprintf ( SUMA_STDERR,
                        "Error %s: output file %s exists already.\n", 
                        FuncName, OF_name);
         exit(1);
      }
   }   
   /* now for the real work */
   if (Doxmat) {
      MRI_IMAGE *im = NULL;
      double *far=NULL;
      int nrow, ncol;
      if (!strcmp(xmat_name,"RandRigid")) {
         SUMA_FillRandXform(xform, randseed, 2); 
      } else if (!strcmp(xmat_name,"RandAffine")) {
         SUMA_FillRandXform(xform, randseed, 3);
      } else if (!strcmp(xmat_name,"RandShift")) {
         SUMA_FillRandXform(xform, randseed, 1);
      } else if (!strcmp(xmat_name,"Scale")) {
         SUMA_FillScaleXform(xform, sc);
      } else if (!strcmp(xmat_name,"NegXY")) {
         SUMA_FillXYnegXform(xform);
      } else {
         im = mri_read_double_1D (xmat_name);

         if (!im) {
            SUMA_SLP_Err("Failed to read 1D file");
            exit(1);
         }
         far = MRI_DOUBLE_PTR(im);
         nrow = im->nx;
         ncol = im->ny;
         if (nrow == 1) {
            if (ncol != 12) { 
               SUMA_SL_Err("Mat file must have\n"
                           "one row of 12 columns.");
               mri_free(im); im = NULL;   /* done with that baby */
               exit(1);
            }
            i = 0;
            while (i < 12) {
               xform[i/4][0] = far[i]; ++i;
               xform[i/4][1] = far[i]; ++i;
               xform[i/4][2] = far[i]; ++i;
               xform[i/4][3] = far[i]; ++i;
            }
            xform[3][0] = 0.0;  
            xform[3][1] = 0.0;  
            xform[3][2] = 0.0;  
            xform[3][3] = 1.0;
         } else {
            if (ncol < 4 ) {
               SUMA_SL_Err("Mat file must have\n"
                           "at least 4 columns.");
               mri_free(im); im = NULL;   /* done with that baby */
               exit(1);
            }
            if (nrow < 3 ) {
               SUMA_SL_Err("Mat file must have\n"
                           "at least 3 rows.");
               mri_free(im); im = NULL;   /* done with that baby */
               exit(1);
            }
            if (ncol > 4) {
               SUMA_SL_Warn(  "Ignoring entries beyond 4th \n"
                              "column in transform file.");
            }
            if (nrow > 3) {
               SUMA_SL_Warn(  "Ignoring entries beyond 3rd\n"
                              "row in transform file.\n");
            }
            for (i=0; i < 3; ++i) {
               xform[i][0] = far[i];
               xform[i][1] = far[i+nrow];
               xform[i][2] = far[i+2*nrow];
               xform[i][3] = far[i+3*nrow];
            }
            xform[3][0] = 0.0;  
            xform[3][1] = 0.0;  
            xform[3][2] = 0.0;  
            xform[3][3] = 1.0;
         }
      }  
      
      if (LocalHead) {
         fprintf(SUMA_STDERR,"\n++ ConvertSurface xform:\n");
         for (i=0; i < 4; ++i) {
            fprintf(SUMA_STDERR," %+.5f\t%+.5f\t%+.5f\t%+.5f\n",
                   xform[i][0], xform[i][1], 
                   xform[i][2], xform[i][3]);  
         }
         fprintf(SUMA_STDERR,"\n");
      }
      
      mri_free(im); im = NULL;
      
      if (Doinv) {
         mat44 A, A0;
   
         LOAD_MAT44( A0, \
                  xform[0][0], xform[0][1], xform[0][2], xform[0][3],    \
                  xform[1][0], xform[1][1], xform[1][2], xform[1][3],    \
                  xform[2][0], xform[2][1], xform[2][2], xform[2][3]   );
         A = nifti_mat44_inverse(A0);
         UNLOAD_MAT44(A,   \
                  xform[0][0], xform[0][1], xform[0][2], xform[0][3],    \
                  xform[1][0], xform[1][1], xform[1][2], xform[1][3],    \
                  xform[2][0], xform[2][1], xform[2][2], xform[2][3]   );
      }            

      
      if (Do_PolDec) {
         #ifdef USE_DECOMPOSE_SHOEMAKE
            /* a little something to do a polar decomposition on M into M = Q*S*/
            {
               float det, m[4][4], q[4][4], s[4][4];
               char *stmp = SUMA_append_string("QS_",xmat_name);
               FILE *fout = fopen(stmp,"w"); SUMA_free(stmp); stmp = NULL;
               SUMA_S_Note("FixMe! #include above and if(1) here ...");
               det = polar_decomp(M, q,s);
               fprintf(fout,"#[M][D]: (D is the shift)\n");
               for (i=0;i<3; ++i)
                  fprintf(fout,  "#%.5f   %.5f  %.5f  %.5f\n", 
                                 M[i][0], M[i][1], M[i][2], M[i][3]); 
               fprintf(fout,"#Q:\n");
               for (i=0;i<3; ++i)
                  fprintf(fout,  "#%.5f   %.5f  %.5f  %.5f\n", 
                                 q[i][0], q[i][1], q[i][2], q[i][3]); 
               fprintf(fout,"#S:\n");
               for (i=0;i<3; ++i)
                  fprintf(fout,  "#%.5f   %.5f  %.5f  %.5f\n", 
                                 s[i][0], s[i][1], s[i][2], s[i][3]);
               fprintf(fout,"#det: %f\n", det);
               fprintf(fout,  "#[Q][D]: A close xform to [M][D], "
                              "without scaling.\n#M = Q*S\n");
               for (i=0;i<3; ++i)
                  fprintf(fout,  "%.5f   %.5f  %.5f  %.5f\n", 
                                 q[i][0], q[i][1], q[i][2], M[i][3]);
               fclose(fout); SUMA_free(stmp); stmp = NULL;
            }
            /* replace user's xform with orthogonal one: */
            fprintf(SUMA_STDOUT,"Replacing matrix:\n");
            for (i=0;i<3; ++i)
                  fprintf( SUMA_STDOUT,
                           " %.5f   %.5f  %.5f  %.5f\n", 
                           M[i][0], M[i][1], M[i][2], M[i][3]); 
            fprintf(SUMA_STDOUT,"     with matrix:\n");
            for (i=0;i<3; ++i)
                  fprintf(SUMA_STDOUT, 
                           " %.5f   %.5f  %.5f  %.5f\n", 
                           q[i][0], q[i][1], q[i][2], M[i][3]);
            for (i=0;i<3; ++i) { 
               M[i][0] = q[i][0]; M[i][1] = q[i][1]; M[i][2] = q[i][2]; 
            }
            
         #else
            {/* use the NIFTI polar decomposition function 
               (same results as above)*/
               mat33 Q, A;
               for (i=0;i<3;++i) { 
                  A.m[i][0] = xform[i][0]; 
                  A.m[i][1] = xform[i][1]; 
                  A.m[i][2] = xform[i][2]; 
               }
               Q = nifti_mat33_polar( A );
               /* replace user's xform with orthogonal one: */
               fprintf(SUMA_STDOUT,"Replacing matrix:\n");
               for (i=0;i<3; ++i)
                     fprintf( SUMA_STDOUT,
                              " %.5f   %.5f  %.5f  %.5f\n", 
                              xform[i][0], xform[i][1], 
                              xform[i][2], xform[i][3]); 
               fprintf(SUMA_STDOUT,"     with matrix:\n");
               for (i=0;i<3; ++i)
                     fprintf( SUMA_STDOUT,
                              " %.5f   %.5f  %.5f  %.5f\n", 
                              Q.m[i][0], Q.m[i][1], Q.m[i][2], xform[i][3]);
               for (i=0;i<3; ++i) { 
                  xform[i][0] = Q.m[i][0]; 
                  xform[i][1] = Q.m[i][1]; 
                  xform[i][2] = Q.m[i][2]; 
               }
                
            }
         #endif 
      }
   }
   
   if ( ps->i_N_surfnames ==  1) {
      /* load that one surface */
      SO = SUMA_Load_Surface_Object_Wrapper ( if_name, if_name2, vp_name, 
                                              iType, iForm, sv_name, 1);
      if (!SO) {
         SUMA_S_Err("Failed to read input surface.\n");
         exit (1);
      }
   } else if ( ps->i_N_surfnames > 1 && Domergesurfs) {
      SUMA_SurfaceObject **SOar=NULL;
      int ii;
      SUMA_S_Notev("Merging %d surfaces into 1\n", ps->i_N_surfnames);
      SOar = (SUMA_SurfaceObject **)
                  SUMA_calloc(ps->i_N_surfnames, sizeof(SUMA_SurfaceObject *));
      if (ps->N_sv > 1 || ps->N_vp > 1) {
         SUMA_S_Errv("Cannot handle multiple (%d) -sv or multiple (%d) -vp\n",
                     ps->N_sv, ps->N_vp);
         exit(1);
      }
      for (ii = 0; ii<ps->i_N_surfnames; ++ii) {
         SOar[ii] = SUMA_Load_Surface_Object_Wrapper(ps->i_surfnames[ii], 
                                                     ps->i_surftopo[ii],
                                                     vp_name, 
                                                     ps->i_FT[0], ps->i_FF[0], 
                                                     sv_name, 1);
      }
      if (!(SO = SUMA_MergeSurfs(SOar, ps->i_N_surfnames))) {
         SUMA_S_Err("Failed to merge");
         exit(1);
      }
      for (ii = 0; ii<ps->i_N_surfnames; ++ii) {
         SUMA_Free_Surface_Object(SOar[ii]);
         SOar[ii]=NULL;
      } SUMA_free(SOar); SOar=NULL;
   }
   
   if (DoR2S > 0.0000001) {
      if (!SUMA_ProjectSurfaceToSphere(SO, NULL , DoR2S , NULL)) {
         SUMA_S_Err("Failed to project to surface");
         exit(1);
      }
   }
   
   
   if (ifpar_name) {
      SOpar = SUMA_Load_Surface_Object_Wrapper ( ifpar_name, ifpar_name2,
                                 vp_name, iparType, iparForm, sv_name, 1);
      if (!SOpar) {
         SUMA_S_Err("Failed to read input parent surface.\n");
         exit (1);
      }
      /* need edge list */
      if (!SUMA_SurfaceMetrics_eng (SOpar,"EdgeList", NULL, 0, 
                                    SUMAg_CF->DsetList)) {
         SUMA_SL_Err("Failed to create edgelist for parent");
         exit(1);
      }
   }
   
   
   /* if Do_wind */
   if (Do_wind) {
      fprintf (SUMA_STDOUT,
         "Checking and repairing mesh's winding consistency...\n");
      /* check the winding, but that won't fix the normals, 
      you'll have to recalculate those things, if need be ... */
      if (!SUMA_SurfaceMetrics_eng (SO, "CheckWind", NULL, 0, 
                                    SUMAg_CF->DsetList)) {
         SUMA_S_Err("Failed in SUMA_SurfaceMetrics.\n");
         exit(1);
      }   
   }

   if (Do_flip) {
      fprintf (SUMA_STDOUT,
         "Flipping triangle winding...\n");
      SUMA_FlipSOTriangles(SO);   
   }
   
   if (Do_tlrc) {
      fprintf (SUMA_STDOUT,"Performing talairach transform...\n");

      /* form the tlrc version of the surface volume */
      tlrc_name = (char *) SUMA_calloc (strlen(SO->VolPar->dirname)+
                                        strlen(SO->VolPar->prefix)+60, 
                                        sizeof(char));
      sprintf (tlrc_name, "%s%s+tlrc.HEAD", 
                           SO->VolPar->dirname, SO->VolPar->prefix);
      if (!SUMA_filexists(tlrc_name)) {
         fprintf (SUMA_STDERR,"Error %s: %s not found.\n", FuncName, tlrc_name);
         exit(1);
      }
      
      /* read the tlrc header */
      aset = THD_open_dataset(tlrc_name) ;
      if( !ISVALID_DSET(aset) ){
         SUMA_S_Err("%s is not a valid data set.\n", tlrc_name) ;
         exit(1);
      }
      if( aset->warp == NULL ){
         SUMA_S_Err("tlrc_name does not contain a talairach transform.\n");
         exit(1);
      }
      
      warp = aset->warp ;
      
      /* now warp the coordinates, one node at a time */
      if (!SUMA_AFNI_forward_warp_xyz(warp, SO->NodeList, SO->N_Node)) {
         SUMA_S_Err("Failed in SUMA_AFNI_forward_warp_xyz.\n");
         exit(1);
      }

      
   }
   
   if (Do_acpc) {
      fprintf (SUMA_STDOUT,"Performing acpc transform...\n");

      /* form the acpc version of the surface volume */
      acpc_name = (char *) SUMA_calloc (strlen(SO->VolPar->dirname)+
                                        strlen(SO->VolPar->prefix)+60, 
                                        sizeof(char));
      sprintf (acpc_name, 
               "%s%s+acpc.HEAD", SO->VolPar->dirname, SO->VolPar->prefix);
      if (!SUMA_filexists(acpc_name)) {
         fprintf (SUMA_STDERR,"Error %s: %s not found.\n", FuncName, acpc_name);
         exit(1);
      }
      
      /* read the acpc header */
      aset = THD_open_dataset(acpc_name) ;
      if( !ISVALID_DSET(aset) ){
         fprintf (SUMA_STDERR,
                  "Error %s: %s is not a valid data set.\n", 
                  FuncName, acpc_name) ;
         exit(1);
      }
      if( aset->warp == NULL ){
         fprintf (SUMA_STDERR,
                  "Error %s: acpc_name does not contain an acpc transform.\n", 
                  FuncName);
         exit(1);
      }
      
      warp = aset->warp ;
      
      /* now warp the coordinates, one node at a time */
      if (!SUMA_AFNI_forward_warp_xyz(warp, SO->NodeList, SO->N_Node)) {
         fprintf (SUMA_STDERR,
                  "Error %s: Failed in SUMA_AFNI_forward_warp_xyz.\n", FuncName);
         exit(1);
      }

      
   }
   
   if (Do_mni_RAI) {
      fprintf (SUMA_STDOUT,"Performing MNI_RAI transform...\n");
      /* apply the mni warp */
      if (!SUMA_AFNItlrc_toMNI(SO->NodeList, SO->N_Node, "RAI")) {
         fprintf (SUMA_STDERR,
                  "Error %s: Failed in SUMA_AFNItlrc_toMNI.\n", FuncName);
         exit(1);
      }
      sprintf(orsurf,"RAI");
   }
   
   if (Do_mni_LPI) {
      fprintf (SUMA_STDOUT,"Performing MNI_LPI transform...\n");
      /* apply the mni warp */
      if (!SUMA_AFNItlrc_toMNI(SO->NodeList, SO->N_Node, "LPI")) {
         fprintf (SUMA_STDERR,
                  "Error %s: Failed in SUMA_AFNItlrc_toMNI.\n", FuncName);
         exit(1);
      }
      sprintf(orsurf,"LPI");
   }
   
   if (Doxmat) {
      fprintf (SUMA_STDOUT,"Performing affine transform...\n");
      if (LocalHead) {
         for (i=0; i<3 ; ++i) {
            fprintf (SUMA_STDERR,
                     "M[%d][:] = %f %f %f %f\n", 
                     i, xform[i][0], xform[i][1], xform[i][2], xform[i][3]);
         }
         fprintf (SUMA_STDERR,"Cen[:] %f %f %f\n", xcen[0], xcen[1], xcen[2]);
      }
      if (Docen) {
         if (!SUMA_Apply_Coord_xform(  SO->NodeList, SO->N_Node, SO->NodeDim,
                                       xform, 0, xcen)) { 
            SUMA_SL_Err("Failed to xform coordinates"); exit(1); 
         }
      } else {
         if (!SUMA_Apply_Coord_xform(  SO->NodeList, SO->N_Node, SO->NodeDim,
                                       xform, 0, NULL)) { 
            SUMA_SL_Err("Failed to xform coordinates"); exit(1); 
         }
      }
      SUMA_Blank_AfniSO_Coord_System(SO->aSO);
   }
   
   if (orcode[0] != '\0') {
      SUMA_LHv("Changing coordinates from %s to %s\n", orsurf, orcode);
      if (!SUMA_CoordChange(orsurf, orcode, SO->NodeList, SO->N_Node)) {
         SUMA_S_Err("Failed to change coords.");
         exit(1);
      }
      SUMA_Blank_AfniSO_Coord_System(SO->aSO);
   }
   
   if (Do_p2s) {
      SUMA_SurfaceObject *SOold = SO;
      SUMA_LH("Changing patch to surface...");
      SO = SUMA_Patch2Surf(SOold->NodeList, SOold->N_Node, 
                           SO->FaceSetList, SO->N_FaceSet, 3);
      if (!SO) {
         SUMA_S_Err("Failed to change patch to surface.");
         exit(1);
      }
      
      /* get rid of old surface object */
      SUMA_Free_Surface_Object(SOold);
   }
   
   if (Do_native) {
      if (!SUMA_Delign_to_VolPar (SO, NULL)) {
         SUMA_S_Err("Failed to transform coordinates to native space");
         exit(1);  
      }
   }
   
   if (Do_NodeDepth) {
      float *dpth=NULL, mx=0.0;
      SUMA_PC_XYZ_PROJ *pcp=NULL;
      if (SUMA_NodeDepth(SO->NodeList, SO->N_Node, E1_DIR_PRJ, &dpth, 
                     0.0, NULL, &mx, &pcp) < 0) {
         SUMA_S_Err("Failed to compute node depth");
         exit(1);
      } else {
         if (!SUMA_WriteNodeDepth(NodeDepthpref,pcp,dpth, mx)) {
            SUMA_S_Err("Failed to write node depth");
            exit(1);
         } 
      }
      SUMA_ifree(dpth);
      pcp = SUMA_Free_PC_XYZ_Proj(pcp);
   }
   
   if (Do_PCproj > NO_PRJ) {
      SUMA_PC_XYZ_PROJ *pcp=NULL;
      pciref = 0; pcxyzref = NULL;
      if (!(pcp = SUMA_Project_Coords_PCA(SO->NodeList, SO->N_Node,
                                  pciref, pcxyzref, Do_PCproj, Do_PCrot, 1))) {
         SUMA_S_Err("Failed to project");
         exit(1);
      } else {
         if (!SUMA_Write_PC_XYZ_Proj(pcp, PCprojpref)) {
            SUMA_S_Err("Failed to write out projections");
            exit(1);
         } else {
           pcp = SUMA_Free_PC_XYZ_Proj(pcp);
         }  
         
         exit(0);
      }
   }

   
   
   /* write the surface object */
   if (SO_name) {
      if (LocalHead) SUMA_Print_Surface_Object (SO, stderr);
      fprintf (SUMA_STDOUT,"Writing surface...\n");
      if (!(SUMA_Save_Surface_Object ( SO_name,
                                    SO, oType, oFormat, SOpar))) {
         fprintf (SUMA_STDERR,
                  "Error %s: Failed to write surface object.\n", 
                  FuncName);
         exit (1);
      }
   } 
   
   
   
   if (of_name_strip) of_name_strip = SUMA_Free_Parsed_Name (of_name_strip);
   if (of_name2_strip) of_name2_strip = SUMA_Free_Parsed_Name (of_name2_strip);
   if (OF_name) SUMA_free(OF_name);
   if (OF_name2) SUMA_free(OF_name2);
   if (SF_name) SUMA_free(SF_name);
   if (SO_name) SUMA_free(SO_name);
   if (SO) SUMA_Free_Surface_Object(SO);
   if (SOpar) SUMA_Free_Surface_Object(SOpar);
   if (ps) SUMA_FreeGenericArgParse(ps); ps = NULL;
   return (0);
}