Example #1
0
int main(int argc, char* argv[])
{
  unsigned int opcode = 0;
  char    *mosaic_in=NULL;            /* input mosaic file name */
  char    *mosaic_out=NULL;           /* input mosaic file name */
  char    *dir_in=NULL;               /* input file location */
  char    *dir_out=NULL;              /* output file location */
  int     ntiles_in = 0;              /* number of tiles in input mosaic */
  int     ntiles_out = 0;             /* number of tiles in output mosaic */
  int     nfiles     = 0;              /* number of input file */
  int     nfiles_out = 0;             /* number of output file */
  char    input_file [NFILE][STRING];
  char    output_file[NFILE][STRING];
  char    scalar_name[NVAR] [STRING];
  char    u_name     [NVAR] [STRING];
  char    v_name     [NVAR] [STRING];
  char    *test_case = NULL;
  double  test_param = 1;
  int     check_conserve = 0; /* 0 means no check */
  double  lonbegin = 0, lonend = 360;
  double  latbegin = -90, latend = 90;			  
  int     nlon = 0, nlat = 0;
  int     kbegin = 0, kend = -1; 
  int     lbegin = 0, lend = -1;
  char    *remap_file = NULL;
  char    interp_method[STRING] = "conserve_order1";
  int     y_at_center = 0;
  int     grid_type = AGRID;
  int     nscalar=0, nvector=0, nvector2=0;
  int     option_index, c, i, n, m, l;
  char    entry[MAXSTRING];  /* should be long enough */
  char    txt[STRING];
  char    history[MAXATT];
  int     fill_missing = 0;
  unsigned int  finer_step = 0;

  Grid_config   *grid_in    = NULL;   /* store input grid  */
  Grid_config   *grid_out   = NULL;   /* store output grid */
  Field_config  *scalar_in  = NULL;   /* store input scalar data */
  Field_config  *scalar_out = NULL;   /* store output scalar data */
  Field_config  *u_in       = NULL;   /* store input vector u-component */
  Field_config  *v_in       = NULL;   /* store input vector v-component */
  Field_config  *u_out      = NULL;   /* store input vector u-component */
  Field_config  *v_out      = NULL;   /* store input vector v-component */
  File_config   *file_in    = NULL;   /* store input file information */
  File_config   *file_out   = NULL;   /* store output file information */
  File_config   *file2_in   = NULL;   /* store input file information */
  File_config   *file2_out  = NULL;   /* store output file information */
  Bound_config  *bound_T    = NULL;   /* store halo update information for T-cell*/
  Interp_config *interp     = NULL;   /* store remapping information */
  int save_weight_only      = 0;
  
  int errflg = (argc == 1);
  int fid;
  
  static struct option long_options[] = {
    {"input_mosaic",     required_argument, NULL, 'a'},
    {"output_mosaic",    required_argument, NULL, 'b'},
    {"input_dir",        required_argument, NULL, 'c'},
    {"output_dir",       required_argument, NULL, 'd'},
    {"input_file",       required_argument, NULL, 'e'},
    {"output_file",      required_argument, NULL, 'f'},
    {"remap_file",       required_argument, NULL, 'g'},
    {"test_case",        required_argument, NULL, 'i'},
    {"interp_method",    required_argument, NULL, 'j'},
    {"test_parameter",   required_argument, NULL, 'k'},
    {"symmetry",         no_argument,       NULL, 'l'},
    {"grid_type",        required_argument, NULL, 'm'},
    {"target_grid",      no_argument,       NULL, 'n'},
    {"finer_step",       required_argument, NULL, 'o'},
    {"fill_missing",     no_argument,       NULL, 'p'},
    {"nlon",             required_argument, NULL, 'q'},
    {"nlat",             required_argument, NULL, 'r'},
    {"scalar_field",     required_argument, NULL, 's'},
    {"check_conserve",   no_argument,       NULL, 't'},
    {"u_field",          required_argument, NULL, 'u'},
    {"v_field",          required_argument, NULL, 'v'},
    {"center_y",         no_argument,       NULL, 'y'},
    {"lonBegin",         required_argument, NULL, 'A'},
    {"lonEnd",           required_argument, NULL, 'B'},
    {"latBegin",         required_argument, NULL, 'C'},
    {"latEnd",           required_argument, NULL, 'D'},
    {"KlevelBegin",      required_argument, NULL, 'E'},
    {"KlevelEnd",        required_argument, NULL, 'F'},
    {"LstepBegin",       required_argument, NULL, 'G'},
    {"LstepEnd",         required_argument, NULL, 'H'},
    {"help",             no_argument,       NULL, 'h'},
    {0, 0, 0, 0},
  };  
  
  /* start parallel */
  mpp_init(&argc, &argv);
  mpp_domain_init();
  
  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
    switch (c) {
    case 'a':
      mosaic_in  = optarg;
      break;
    case 'b':
      mosaic_out = optarg;
      break;
    case 'c':
      dir_in = optarg;
      break;
    case 'd':
      dir_out = optarg;
      break;
    case 'e':
      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -e");
      strcpy(entry, optarg);
      tokenize(entry, ",", STRING, NFILE, input_file, &nfiles);
      break;
    case 'f':
      if(strlen(optarg) >= MAXSTRING)  mpp_error("fregrid: the entry is not long for option -f");      
      strcpy(entry, optarg);
      tokenize(entry, ",", STRING, NFILE, output_file, &nfiles_out);
      break;
    case 'g':
      remap_file = optarg;
      break;
    case 's':
      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -s");      
      strcpy(entry, optarg);
      tokenize(entry, ",", STRING, NVAR, scalar_name, &nscalar);
      break;
    case 'u':
      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -u");      
      strcpy(entry, optarg);
      tokenize(entry, ",", STRING, NVAR, u_name, &nvector);
      break;        
    case 'v':
      if(strlen(optarg) >= MAXSTRING) mpp_error("fregrid: the entry is not long for option -v");      
      strcpy(entry, optarg);
      tokenize(entry, ",", STRING, NVAR, v_name, &nvector2);
      break;      
    case 'j':
      strcpy(interp_method, optarg);
      break;
    case 'i':
      test_case = optarg;
      break;
    case 'k':
      test_param = atof(optarg);
      break;      
    case 'l':
      opcode |= SYMMETRY;
      break;
    case 'm':
      if(strcmp(optarg, "AGRID") == 0)
	grid_type = AGRID;
      else if(strcmp(optarg, "BGRID") == 0)
	grid_type = BGRID;
      else
	mpp_error("fregrid: only AGRID and BGRID vector regridding are implmented, contact developer");
      break;
    case 'n':
      opcode |= TARGET;
      break;
    case 'o':
      finer_step = atoi(optarg);
      break;
    case 'p':
      fill_missing = 1;
      break;
    case 'q':
      nlon = atoi(optarg);
      break;
    case 'r':
      nlat = atoi(optarg);
      break;
    case 't':
      check_conserve = 1;
      break;
    case 'y':
      y_at_center = 1;
      break;
    case 'A':
      lonbegin = atof(optarg);
      break;
    case 'B':
      lonend = atof(optarg);
      break;
    case 'C':
      latbegin = atof(optarg);
      break;
    case 'D':
      latend = atof(optarg);
      break;
    case 'E':
      kbegin = atoi(optarg);
      break;
    case 'F':
      kend = atoi(optarg);
      break;
    case 'G':
      lbegin = atoi(optarg);
      break;
    case 'H':
      lend = atoi(optarg);
      break;
    case '?':
      errflg++;
      break;
    }
  }

  if (errflg) {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);
  }      
  /* check the arguments */
  if( !mosaic_in  ) mpp_error("fregrid: input_mosaic is not specified");
  if( !mosaic_out ) {
    if(nlon == 0 || nlat ==0 ) mpp_error("fregrid: when output_mosaic is not specified, nlon and nlat should be specified");
    if(lonend <= lonbegin) mpp_error("fregrid: when output_mosaic is not specified, lonEnd should be larger than lonBegin");
    if(latend <= latbegin) mpp_error("fregrid: when output_mosaic is not specified, latEnd should be larger than latBegin");
  }
  else {
    if(nlon !=0 || nlat != 0) mpp_error("fregrid: when output_mosaic is specified, nlon and nlat should not be specified");
  }
  
  if( nfiles == 0) {
    if(nvector > 0 || nscalar > 0 || nvector2 > 0)
      mpp_error("fregrid: when --input_file is not specified, --scalar_field, --u_field and --v_field should also not be specified");
    if(!remap_file) mpp_error("fregrid: when --input_file is not specified, remap_file must be specified to save weight information");
    save_weight_only = 1;
    if(mpp_pe()==mpp_root_pe())printf("NOTE: No input file specified in this run, no data file will be regridded "
				      "and only weight information is calculated.\n");
  }
  else if( nfiles == 1 || nfiles ==2) {
    if( nvector != nvector2 ) mpp_error("fregrid: number of fields specified in u_field must be the same as specified in v_field");
    if( nscalar+nvector==0 ) mpp_error("fregrid: both scalar_field and vector_field are not specified");
    /* when nvector =2 and nscalar=0, nfiles can be 2 otherwise nfiles must be 1 */
    if( nscalar && nfiles != 1 )
      mpp_error("fregrid: when scalar_field is specified, number of files must be 1");
    if( nfiles_out == 0 ) {
      for(i=0; i<nfiles; i++) strcpy(output_file[i], input_file[i]);
    }
    else if (nfiles_out != nfiles )
      mpp_error("fregrid:number of input file is not equal to number of output file");
  }
  else
    mpp_error("fregrid: number of input file should be 1 or 2");

  if(kbegin != 0 || kend != -1) { /* at least one of kbegin and kend is set */
    if(kbegin < 1 || kend < kbegin) mpp_error("fregrid:KlevelBegin should be a positive integer and no larger "
					      "than KlevelEnd when you want pick certain klevel");
  }
  if(lbegin != 0 || lend != -1) { /* at least one of lbegin and lend is set */
     if(lbegin < 1 || lend < lbegin) mpp_error("fregrid:LstepBegin should be a positive integer and no larger "
					      "than LstepEnd when you want pick certain Lstep");
  }
  
  if(nvector > 0) {
    opcode |= VECTOR;
    if(grid_type == AGRID)
      opcode |= AGRID;
    else if(grid_type == BGRID)
      opcode |= BGRID;
  }
  
  /* define history to be the history in the grid file */
  strcpy(history,argv[0]);

  for(i=1;i<argc;i++) {
    strcat(history, " ");
    if(strlen(argv[i]) > MAXENTRY) { /* limit the size of each entry, here we are assume the only entry that is longer than
					MAXENTRY= 256 is the option --scalar_field --u_field and v_field */
      if(strcmp(argv[i-1], "--scalar_field") && strcmp(argv[i-1], "--u_field") && strcmp(argv[i-1], "--v_field") )
	mpp_error("fregrid: the entry ( is not scalar_field, u_field, v_field ) is too long, need to increase parameter MAXENTRY");
      strcat(history, "(**please see the field list in this file**)" );
    }
    else
      strcat(history, argv[i]);
  }
  
  /* get the mosaic information of input and output mosaic*/
  fid = mpp_open(mosaic_in, MPP_READ);
  ntiles_in = mpp_get_dimlen(fid, "ntiles");
  mpp_close(fid);
  if(mosaic_out) {
    fid = mpp_open(mosaic_out, MPP_READ);
    ntiles_out = mpp_get_dimlen(fid, "ntiles");
    mpp_close(fid);
  }
  else
    ntiles_out = 1;

  if(!strcmp(interp_method, "conserve_order1") ) {
    if(mpp_pe() == mpp_root_pe())printf("****fregrid: first order conservative scheme will be used for regridding.\n");
    opcode |= CONSERVE_ORDER1;
  }
  else if(!strcmp(interp_method, "conserve_order2") ) {
    if(mpp_pe() == mpp_root_pe())printf("****fregrid: second order conservative scheme will be used for regridding.\n");
    opcode |= CONSERVE_ORDER2;
  }
  else if(!strcmp(interp_method, "bilinear") ) {
    if(mpp_pe() == mpp_root_pe())printf("****fregrid: bilinear remapping scheme will be used for regridding.\n");  
    opcode |= BILINEAR;
  }
  else
    mpp_error("fregrid: interp_method must be 'conserve_order1', 'conserve_order2' or 'bilinear'");

  if(test_case) {
    if(nfiles != 1) mpp_error("fregrid: when test_case is specified, nfiles should be 1");
    sprintf(output_file[0], "%s.%s.output", test_case, interp_method);
  }

  if(check_conserve) opcode |= CHECK_CONSERVE;
  
  if( opcode & BILINEAR ) {
    int ncontact;
    ncontact = read_mosaic_ncontacts(mosaic_in);
    if( nlon == 0 || nlat == 0) mpp_error("fregrid: when interp_method is bilinear, nlon and nlat should be specified");
    if(ntiles_in != 6) mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 6 tile cubic grid");
    if(ncontact !=12)  mpp_error("fregrid: when interp_method is bilinear, the input mosaic should be 12 contact cubic grid");
    if(mpp_npes() > 1) mpp_error("fregrid: parallel is not implemented for bilinear remapping");
  }
  else
    y_at_center = 1;


  /* memory allocation for data structure */
  grid_in   = (Grid_config *)malloc(ntiles_in *sizeof(Grid_config));
  grid_out  = (Grid_config *)malloc(ntiles_out*sizeof(Grid_config));
  bound_T   = (Bound_config *)malloc(ntiles_in *sizeof(Bound_config));
  interp    = (Interp_config *)malloc(ntiles_out*sizeof(Interp_config));
  get_input_grid( ntiles_in, grid_in, bound_T, mosaic_in, opcode );
  if(mosaic_out)
    get_output_grid_from_mosaic( ntiles_out, grid_out, mosaic_out, opcode );
  else
    get_output_grid_by_size(ntiles_out, grid_out, lonbegin, lonend, latbegin, latend,
			    nlon, nlat, finer_step, y_at_center, opcode);

   if(remap_file) set_remap_file(ntiles_out, mosaic_out, remap_file, interp, &opcode, save_weight_only);  
  
  if(!save_weight_only) {
    file_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
    file_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
 
    if(nfiles == 2) {
      file2_in   = (File_config *)malloc(ntiles_in *sizeof(File_config));
      file2_out  = (File_config *)malloc(ntiles_out*sizeof(File_config));
    }
    if(nscalar > 0) {
      scalar_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
      scalar_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
    }
    if(nvector > 0) {
      u_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
      u_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));    
      v_in  = (Field_config *)malloc(ntiles_in *sizeof(Field_config));
      v_out = (Field_config *)malloc(ntiles_out *sizeof(Field_config));
    }
  
    set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file_in,  input_file[0]);
    set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file_out, output_file[0]);
    if(nfiles == 2) {
      set_mosaic_data_file(ntiles_in, mosaic_in, dir_in, file2_in,  input_file[1]);
      set_mosaic_data_file(ntiles_out, mosaic_out, dir_out, file2_out, output_file[1]);    
    }

    for(n=0; n<ntiles_in; n++) file_in[n].fid = mpp_open(file_in[n].name, MPP_READ);

    set_field_struct ( ntiles_in,   scalar_in,   nscalar, scalar_name[0], file_in);
    set_field_struct ( ntiles_out,  scalar_out,  nscalar, scalar_name[0], file_out);
    set_field_struct ( ntiles_in,   u_in,        nvector, u_name[0], file_in);
    set_field_struct ( ntiles_out,  u_out,       nvector, u_name[0], file_out);
    if(nfiles == 1) {
      set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file_in);
      set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file_out);
    }
    else {
      set_field_struct ( ntiles_in,   v_in,        nvector, v_name[0], file2_in);
      set_field_struct ( ntiles_out,  v_out,       nvector, v_name[0], file2_out);
    }

    get_input_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in, grid_in, kbegin, kend, lbegin, lend, opcode);

    set_output_metadata(ntiles_in, nfiles, file_in, file2_in, scalar_in, u_in, v_in,
			ntiles_out, file_out, file2_out, scalar_out, u_out, v_out, grid_out, history, tagname);
    /* when the interp_method specified through command line is CONSERVE_ORDER1, but the interp_method in the source file
       field attribute is CONSERVE_ORDER2, need to modify the interp_method value */
    if(opcode & CONSERVE_ORDER1) {
      for(l=0; l<nscalar; l++) {
	if(scalar_out->var[l].interp_method == CONSERVE_ORDER2) {
	  if(mpp_pe() == mpp_root_pe())printf("NOTE from fregrid: even though the interp_method specified through command line is "
					      "conserve_order1, the interp_method is reset to conserve_order2 because some fields in "
					      "the source data have interp_method attribute value conserve_order2");
	  opcode = opcode & ~CONSERVE_ORDER1;
	  opcode |= CONSERVE_ORDER2;
	  break;
	}
      }
    }
    if(opcode & CONSERVE_ORDER1) {
      for(l=0; l<nvector; l++) {
	if(u_out->var[l].interp_method == CONSERVE_ORDER2) {
	  if(mpp_pe() == mpp_root_pe())printf("NOTE from fregrid: even though the interp_method specified through command line is "
					      "conserve_order1, the interp_method is reset to conserve_order2 because some fields in "
					      "the source data have interp_method attribute value conserve_order2");
	  opcode = opcode & ~CONSERVE_ORDER1;
	  opcode |= CONSERVE_ORDER2;
	  break;
	}
      }
    }    
  }
  
  /* preparing for the interpolation, if remapping information exist, read it from remap_file,
     otherwise create the remapping information and write it to remap_file
  */
   if( opcode & BILINEAR ) /* bilinear interpolation from cubic to lalon */
     setup_bilinear_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode );
   else
     setup_conserve_interp(ntiles_in, grid_in, ntiles_out, grid_out, interp, opcode);
  
   if(save_weight_only) {
     if(mpp_pe() == mpp_root_pe() ) {
       printf("NOTE: Successfully running fregrid and the following files which store weight information are generated.\n");
       for(n=0; n<ntiles_out; n++) {
	 printf("****%s\n", interp[n].remap_file);
       }
     }
     mpp_end();
     return 0;     
   }
  
   if(nscalar > 0) {
     get_field_attribute(ntiles_in, scalar_in);
     copy_field_attribute(ntiles_out, scalar_in, scalar_out);
   }
   
   if(nvector > 0) {
     get_field_attribute(ntiles_in, u_in);
     get_field_attribute(ntiles_in, v_in);
     copy_field_attribute(ntiles_out, u_in, u_out);
     copy_field_attribute(ntiles_out, v_in, v_out);
   }


  
   /* set time step to 1, only test scalar field now, nz need to be 1 */
   if(test_case) {
     if(nscalar != 1 || nvector != 0) mpp_error("fregrid: when test_case is specified, nscalar must be 1 and nvector must be 0");
     if(scalar_in->var->nz != 1) mpp_error("fregrid: when test_case is specified, number of vertical level must be 1");
     file_in->nt = 1;
     file_out->nt = 1;
   }
   
  /* Then doing the regridding */
  for(m=0; m<file_in->nt; m++) {
    int memsize, level_z, level_n, level_t;

    write_output_time(ntiles_out, file_out, m);
    if(nfiles > 1) write_output_time(ntiles_out, file2_out, m);
    
    /* first interp scalar variable */
    for(l=0; l<nscalar; l++) {
      if( !scalar_in->var[l].has_taxis && m>0) continue;
      level_t = m + scalar_in->var[l].lstart;
      /*--- to reduce memory usage, we are only do remapping for on horizontal level one time */
      for(level_n =0; level_n < scalar_in->var[l].nn; level_n++)
	for(level_z=scalar_in->var[l].kstart; level_z <= scalar_in->var[l].kend; level_z++)
	  {	    
	    if(test_case)
	      get_test_input_data(test_case, test_param, ntiles_in, scalar_in, grid_in, bound_T, opcode);
	    else
	      get_input_data(ntiles_in, scalar_in, grid_in, bound_T, l, level_z, level_n, level_t);
	    allocate_field_data(ntiles_out, scalar_out, grid_out);
	    if( opcode & BILINEAR ) 
	      do_scalar_bilinear_interp(interp, l, ntiles_in, grid_in, grid_out, scalar_in, scalar_out, finer_step, fill_missing);
	    else
	      do_scalar_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, scalar_in, scalar_out, opcode);
	    write_field_data(ntiles_out, scalar_out, grid_out, l, level_z, level_n, m);
	    if(scalar_out->var[l].interp_method == CONSERVE_ORDER2) {
	      for(n=0; n<ntiles_in; n++) {
		free(scalar_in[n].grad_x);
		free(scalar_in[n].grad_y);
		if(scalar_in[n].var[l].has_missing) free(scalar_in[n].grad_mask);
	      }
	    }
	    for(n=0; n<ntiles_in; n++) free(scalar_in[n].data);
	    for(n=0; n<ntiles_out; n++) free(scalar_out[n].data);
	  }
    }

    /* then interp vector field */
    for(l=0; l<nvector; l++) {
      if( !u_in[n].var[l].has_taxis && m>0) continue;
      level_t = m + u_in->var[l].lstart;
      get_input_data(ntiles_in, u_in, grid_in, bound_T, l, level_z, level_n, level_t);
      get_input_data(ntiles_in, v_in, grid_in, bound_T, l, level_z, level_n, level_t);
      allocate_field_data(ntiles_out, u_out, grid_out);
      allocate_field_data(ntiles_out, v_out, grid_out);
      if( opcode & BILINEAR )
	do_vector_bilinear_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, finer_step, fill_missing);
      else
	do_vector_conserve_interp(interp, l, ntiles_in, grid_in, ntiles_out, grid_out, u_in, v_in, u_out, v_out, opcode);
      
      write_field_data(ntiles_out, u_out, grid_out, l, level_z, level_n, m);
      write_field_data(ntiles_out, v_out, grid_out, l, level_z, level_n, m);
      for(n=0; n<ntiles_in; n++) {
	free(u_in[n].data);
	free(v_in[n].data);
      }
      for(n=0; n<ntiles_out; n++) {
	free(u_out[n].data);
	free(v_out[n].data);
      }      
    }
  }

  if(mpp_pe() == mpp_root_pe() ) {
    printf("Successfully running fregrid and the following output file are generated.\n");
    for(n=0; n<ntiles_out; n++) {
      mpp_close(file_out[n].fid);
      printf("****%s\n", file_out[n].name);
      if( nfiles > 1 ) {
	mpp_close(file2_out[n].fid);
	printf("****%s\n", file2_out[n].name);
      }
    }
  }
      
  mpp_end();
  return 0;
  
} /* end of main */
Example #2
0
int main(int argc, char* argv[])
{
  char   *mosaic_file = NULL, *topog_file = NULL, *topog_field = NULL;
  char   topog_type[32] = "realistic", output_file[32] = "topog.nc";
  int    num_filter_pass = 1;
  int    x_refine = 2, y_refine = 2;
  double bottom_depth = 5000, min_depth = 10, scale_factor = 1;
  double gauss_amp = 0.5, gauss_scale = 0.25, slope_x = 0, slope_y = 0;
  double bowl_south = 60, bowl_north = 70, bowl_west = 0, bowl_east = 20;
  int    flat_bottom = 0, fill_first_row = 0;
  int    filter_topog = 0, round_shallow = 0, fill_shallow = 0;
  int    deepen_shallow = 0, smooth_topo_allow_deepening = 0;
  int    jwest_south=0, jwest_north=0, jeast_south=0, jeast_north=0;
  double dome_slope=0.01;
  double dome_bottom=3600.0;
  double dome_embayment_west=19.0; 
  double dome_embayment_east=21.0;
  double dome_embayment_south=69.0;
  double dome_embayment_depth=600.0;
  char   *vgrid_file = NULL;
  int    full_cell = 0;
  int    fill_isolated_cells = 1;
  int    dont_change_landmask = 0;
  int    kmt_min = 2;
  int    adjust_topo = 1;
  double fraction_full_cell = 0.2;
  int    open_very_this_cell = 1;
  double min_thickness = 0.1;
  int    my_topog_type;
  int    use_great_circle_algorithm=0;
  int    cyclic_x, cyclic_y, tripolar_grid;
  int    errflg = (argc == 1);
  int    option_index, i, c;
  unsigned int verbose = 0;
  
  /*
   * process command line
   */

  static struct option long_options[] = {
    {"mosaic",                      required_argument, NULL, 'a'},
    {"topog_type",                  required_argument, NULL, 'b'},
    {"x_refine",                    required_argument, NULL, 'X'},
    {"y_refine",                    required_argument, NULL, 'Y'},
    {"topog_file",                  required_argument, NULL, 'd'},
    {"topog_field",                 required_argument, NULL, 'e'},
    {"bottom_depth",                required_argument, NULL, 'f'},
    {"min_depth",                   required_argument, NULL, 'g'},
    {"scale_factor",                required_argument, NULL, 'i'},
    {"num_filter_pass",             required_argument, NULL, 'j'},
    {"gauss_amp",                   required_argument, NULL, 'k'},
    {"gauss_scale",                 required_argument, NULL, 'l'},
    {"slope_x",                     required_argument, NULL, 'm'},    
    {"slope_y",                     required_argument, NULL, 'n'},
    {"bowl_south",                  required_argument, NULL, 'p'},
    {"bowl_north",                  required_argument, NULL, 'q'},
    {"bowl_west",                   required_argument, NULL, 'r'},
    {"bowl_east",                   required_argument, NULL, 's'},
    {"fill_first_row",              no_argument,       NULL, 't'},
    {"filter_topog",                no_argument,       NULL, 'u'},    
    {"round_shallow",               no_argument,       NULL, 'v'},
    {"fill_shallow",                no_argument,       NULL, 'w'},
    {"deepen_shallow",              no_argument,       NULL, 'x'},
    {"smooth_topo_allow_deepening", no_argument,       NULL, 'y'},
    {"output",                      required_argument, NULL, 'o'},
    {"jwest_south",                 required_argument, NULL, 'A'},
    {"jwest_north",                 required_argument, NULL, 'B'},
    {"jeast_south",                 required_argument, NULL, 'C'},
    {"jeast_north",                 required_argument, NULL, 'D'},
    {"dome_slope",                  required_argument, NULL, 'E'},
    {"dome_bottom",                 required_argument, NULL, 'F'},
    {"dome_embayment_west",         required_argument, NULL, 'G'},
    {"dome_embayment_east",         required_argument, NULL, 'H'},
    {"dome_embayment_south",        required_argument, NULL, 'I'},
    {"dome_embayment_depth",        required_argument, NULL, 'J'},
    {"vgrid_file",                  required_argument, NULL, 'K'},
    {"flat_bottom",                 no_argument,       NULL, 'L'},
    {"full_cell",                   no_argument,       NULL, 'M'},
    {"dont_fill_isolated_cells",    no_argument,       NULL, 'N'},
    {"dont_change_landmask",        no_argument,       NULL, 'O'},
    {"kmt_min",                     required_argument, NULL, 'P'},
    {"dont_adjust_topo",            no_argument,       NULL, 'Q'},
    {"fraction_full_cell",          required_argument, NULL, 'R'},
    {"dont_open_very_this_cell",    no_argument,       NULL, 'S'},
    {"min_thickness",               required_argument, NULL, 'T'},
    {"help",                        no_argument,       NULL, 'h'},
    {"verbose",                     no_argument,       NULL, 'V'},
    {0, 0, 0, 0},
  };

  /* start parallel */

  mpp_init(&argc, &argv);

  mpp_domain_init();  
   
  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
    switch (c) {
    case 'a':
      mosaic_file = optarg;
      break;      
    case 'b':
      strcpy(topog_type, optarg);
      break;
    case 'X':
      x_refine = atoi(optarg);
      break;
    case 'Y':
      y_refine = atoi(optarg);
      break;      
    case 'd':
      topog_file = optarg;
      break;
    case 'e':
      topog_field = optarg;
      break;
    case 'f':
      bottom_depth = atof(optarg);
      break; 
    case 'g':
      min_depth = atof(optarg);
      break;
    case 'i':
      scale_factor = atof(optarg);
      break;
    case 'j':
      num_filter_pass = atoi(optarg);
      break; 
    case 'k':
      gauss_amp = atof(optarg);
      break;
    case 'l':
      gauss_scale = atof(optarg);
      break;
    case 'm':
      slope_x = atof(optarg);
      break;
    case 'n':
      slope_y = atof(optarg);
      break;
    case 'p':
      bowl_south = atof(optarg);
      break;
    case 'q':
      bowl_north = atof(optarg);
      break;
    case 'r':
      bowl_west  = atof(optarg);
      break;
    case 's':
      bowl_east  = atof(optarg);
      break;
    case 't':
      fill_first_row = 1;
      break;
    case 'u':
      filter_topog = 1;
      break;
    case 'v':
      round_shallow = 1;
      break;
    case 'w':
      fill_shallow = 1;
      break;
    case 'x':
      deepen_shallow = 1;
      break;
    case 'y':
      smooth_topo_allow_deepening = 1;
      break;
    case 'o':
      strcpy(output_file,optarg);
      break;
    case 'A':
      jwest_south = atoi(optarg);
      break;
    case 'B':
      jwest_north = atoi(optarg);
      break;
    case 'C':
      jeast_south = atoi(optarg);
      break;
    case 'D':
      jeast_north = atoi(optarg);
      break;
    case 'E':
      dome_slope = atof(optarg);
      break;
    case 'F':
      dome_bottom = atof(optarg);
      break;
    case 'G':
      dome_embayment_west = atof(optarg);
      break;
    case 'H':
      dome_embayment_east = atof(optarg);
      break;
    case 'I':
      dome_embayment_south = atof(optarg);
      break;
    case 'J':
      dome_embayment_depth = atof(optarg);
      break;
    case 'K':
      vgrid_file = optarg;
      break;
    case 'L':
      flat_bottom = 1;
      break;
    case 'M':
      full_cell = 1;
      break;
    case 'N':
      fill_isolated_cells = 0;
      break;
    case 'O':
      dont_change_landmask = 1;
      break;
    case 'P':
      kmt_min = atoi(optarg);
      break;
    case 'Q':
      adjust_topo = 0;
      break;
    case 'R':
      fraction_full_cell = atof(optarg);
      break;
    case 'S':
      open_very_this_cell = 0;
      break;
    case 'T':
      min_thickness = atof(optarg);
      break;
    case 'V':
      verbose = 1;
      break;      
    case '?':
      errflg++;
      break;
    }

  if (errflg || !mosaic_file ) {
    if( mpp_pe() == mpp_root_pe() ) {
      char **u = usage;
      while (*u) { fprintf(stderr, "%s\n", *u); u++; }
      mpp_error("make_topog: Check your arguments");
    }
  }


  /* Write out arguments value  */
  if(mpp_pe() == mpp_root_pe() && verbose) printf("NOTE from make_topog ==> the topog_type is: %s\n",topog_type);
  if(x_refine != 2 || y_refine != 2 ) mpp_error("Error from make_topog: x_refine and y_refine should be 2, contact developer");
  if(mpp_pe() == mpp_root_pe() && verbose) printf("NOTE from make_topog ==> x_refine is %d, y_refine is %d\n",
				       x_refine, y_refine);

  /* vgrid_file can only be passed in when topog_type is realistic */ 
  if(vgrid_file && strcmp(topog_type,"realistic"))
      mpp_error("make_topog: --vgrid_file should not be specified when topog_type = realistic");

  if (strcmp(topog_type,"rectangular_basin") == 0) {
    my_topog_type = RECTANGULAR_BASIN;
    if(mpp_pe() == mpp_root_pe() && verbose) printf("NOTE from make_topog ==> the basin depth is %f\n",bottom_depth);
  }
  else if (strcmp(topog_type,"gaussian") == 0) {
    my_topog_type = GAUSSIAN;
    if(mpp_pe() == mpp_root_pe() && verbose){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n", bottom_depth );
      printf("NOTE from make_topog ==> min_depth is: %f\n", min_depth );
      printf("NOTE from make_topog ==> gauss_amp is: %f\n", gauss_amp );
      printf("NOTE from make_topog ==> gauss_scale is: %f\n", gauss_scale );
      printf("NOTE from make_topog ==> slope_x is: %f\n", slope_x );
      printf("NOTE from make_topog ==> slope_y is: %f\n", slope_y );      
    }
  }
  else if(strcmp(topog_type,"bowl") == 0) {
    my_topog_type = BOWL;
    if(mpp_pe() == mpp_root_pe() && verbose){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
      printf("NOTE from make_topog ==> bowl_south is: %f\n",bowl_south);
      printf("NOTE from make_topog ==> bowl_north is: %f\n",bowl_north);
      printf("NOTE from make_topog ==> bowl_west is: %f\n",bowl_west);
      printf("NOTE from make_topog ==> bowl_east is: %f\n",bowl_east);
    }
  }
  else if(strcmp(topog_type,"idealized") == 0) {
    my_topog_type = IDEALIZED;
    if(mpp_pe() == mpp_root_pe() && verbose){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
    }
  }
  else if(strcmp(topog_type,"realistic") == 0) {
    my_topog_type = REALISTIC;
    if(!topog_file || !topog_field)
      mpp_error("Error from make_topog: when topog_type is realistic, topog_file and topog_field must be specified.");
    if(mpp_pe() == mpp_root_pe() && verbose){
      printf("\n\n ************************************************************\n\n");
      printf("NOTE from make_topog ==> input arguments\n\n");
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
      printf("NOTE from make_topog ==> topog_file is: %s\n", topog_file);
      printf("NOTE from make_topog ==> topog_field is: %s\n", topog_field);
      printf("NOTE from make_topog ==> scale_factor is: %f\n", scale_factor);
      printf("NOTE from make_topog ==> num_filter_pass is: %d\n", num_filter_pass);
      printf("NOTE from make_topog ==> kmt_min is %d\n", kmt_min);
      printf("NOTE from make_topog ==> fraction_full_cell is %f\n", fraction_full_cell);
      printf("NOTE from make_topog ==> min_thickness is %f\n", min_thickness);
      if(vgrid_file)
	printf("NOTE from make_topog ==> vgrid_file is %s\n", vgrid_file);
      else
	printf("NOTE from make_topog ==> no vgrid_file is specified\n");
      
      if(fill_first_row) printf("NOTE from make_topog ==>make first row of ocean model all land points.\n");
      if(filter_topog) printf("NOTE from make_topog ==>will apply filter to topography.\n");
      if(round_shallow) printf("NOTE from make_topog ==>Make cells land if depth is less than 1/2 "
			       "mimumim depth, otherwise make ocean.\n");
      if(fill_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth land.\n");
      if(deepen_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth equal to minimum depth.\n");
      if(smooth_topo_allow_deepening) printf("NOTE from make_topog ==>allow filter to deepen cells.\n");
      if(flat_bottom) printf("NOTE from make_topog ==> generate flat bottom over ocean points.\n");
      if(full_cell) printf("NOTE from make_topog ==> not generate partial bottom cells.\n");
      if(fill_isolated_cells) printf("NOTE from make_topog ==> not allow non-advective tracer cells\n");
      if(dont_change_landmask) printf("NOTE from make_topog ==> not change land/sea mask when filling isolated cells\n");
      if(open_very_this_cell) printf("NOTE from make_topog ==> open this cell\n");
      if(adjust_topo) printf("NOTE from make_topog ==> adjust topography\n");
      printf("\n\n ************************************************************\n\n");
    }
  }
  else if(strcmp(topog_type,"box_channel") == 0) {
    my_topog_type = BOX_CHANNEL;
    if( jwest_south <= 0) mpp_error("make_topog: jwest_south must a positive integer when topog_type = box_channel");
    if( jwest_north <= 0) mpp_error("make_topog: jwest_north must a positive integer when topog_type = box_channel");
    if( jeast_south <= 0) mpp_error("make_topog: jeast_south must a positive integer when topog_type = box_channel");
    if( jeast_north <= 0) mpp_error("make_topog: jeast_north must a positive integer when topog_type = box_channel");
    if( jwest_south > jwest_north ) mpp_error("make_topog: jwest_south > jwest_north when topog_type = box_channel");
    if( jeast_south > jeast_north ) mpp_error("make_topog: jeast_south > jeast_north when topog_type = box_channel");
  }
  else if(strcmp(topog_type,"dome") == 0) {
    my_topog_type = DOME;
  }
  else {
    mpp_error("make_topog: topog_type should be rectangular_basin, gaussian, bowl, idealized, realistic, box_channel or dome");
  }
  
  if(mpp_pe() == mpp_root_pe() && verbose) {
    printf("**************************************************\n");
    printf("Begin to generate topography \n");
  }

  {
    const int STRING = 255;
    int m_fid, g_fid, vid;
    int ntiles, fid, dim_ntiles, n, dims[2];
    size_t start[4], nread[4], nwrite[4];
    int *nx=NULL, *ny=NULL, *nxp=NULL, *nyp=NULL;
    int *id_depth=NULL, *id_level=NULL;
    double *depth=NULL, *x=NULL, *y=NULL;
    int *num_levels=NULL;
    char **tile_files=NULL;
    char history[512], dimx_name[128], dimy_name[128], depth_name[128], level_name[128];
    char gridfile[256], griddir[256];
    
    /* history will be write out as global attribute
       in output file to specify the command line arguments
    */

    strcpy(history,argv[0]);

    for(i=1;i<argc;i++) {
      strcat(history, " ");
      strcat(history, argv[i]);
    }

    /* grid should be located in the same directory of mosaic file */
    get_file_path(mosaic_file, griddir);
    
    /* get mosaic dimension */
    m_fid = mpp_open(mosaic_file, MPP_READ);
    ntiles = mpp_get_dimlen( m_fid, "ntiles");
    
    tile_files = (char **)malloc(ntiles*sizeof(double *));
    id_depth = (int *)malloc(ntiles*sizeof(int));
    id_level = (int *)malloc(ntiles*sizeof(int));
    /* loop through each tile to get tile information and set up meta data for output file */
    fid = mpp_open(output_file, MPP_WRITE);

    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
    nx = (int *)malloc(ntiles*sizeof(int));
    ny = (int *)malloc(ntiles*sizeof(int));
    nxp = (int *)malloc(ntiles*sizeof(int));
    nyp = (int *)malloc(ntiles*sizeof(int));   
    for( n = 0; n < ntiles; n++ ) {
      int use_great_circle_algorithm_prev=0;
      
      tile_files[n] = (char *)malloc(STRING*sizeof(double));
      start[0] = n;
      start[1] = 0;
      nread[0] = 1;
      nread[1] = STRING;
      vid = mpp_get_varid(m_fid, "gridfiles");
      mpp_get_var_value_block(m_fid, vid, start, nread, gridfile);
      sprintf(tile_files[n], "%s/%s", griddir, gridfile);
      g_fid = mpp_open(tile_files[n], MPP_READ);
      nx[n] = mpp_get_dimlen(g_fid, "nx");
      ny[n] = mpp_get_dimlen(g_fid, "ny");
      if( nx[n]%x_refine != 0 ) mpp_error("make_topog: supergrid x-size can not be divided by x_refine");
      if( ny[n]%y_refine != 0 ) mpp_error("make_topog: supergrid y-size can not be divided by y_refine");
      nx[n] /= x_refine;
      ny[n] /= y_refine;
      nxp[n] = nx[n] + 1;
      nyp[n] = ny[n] + 1;
      if(ntiles == 1) {
	strcpy(dimx_name, "nx");
	strcpy(dimy_name, "ny");
	strcpy(depth_name, "depth");
	if(vgrid_file)strcpy(level_name, "num_levels");
      }
      else {
	sprintf(dimx_name, "nx_tile%d", n+1);
	sprintf(dimy_name, "ny_tile%d", n+1);
	sprintf(depth_name, "depth_tile%d", n+1);
	if(vgrid_file)sprintf(level_name, "num_levels_tile%d", n+1);
      }

      dims[1] = mpp_def_dim(fid, dimx_name, nx[n]); 
      dims[0] = mpp_def_dim(fid, dimy_name, ny[n]);
      id_depth[n] = mpp_def_var(fid, depth_name, NC_DOUBLE, 2, dims,  2, "standard_name",
				"topographic depth at T-cell centers", "units", "meters");
      if(vgrid_file) id_level[n] = mpp_def_var(fid, level_name, NC_INT, 2, dims, 2, "standard_name",
					       "number of vertical T-cells", "units", "none");
      /* when topog_type is realistics, check if use great_circle_algorithm */
      use_great_circle_algorithm = get_great_circle_algorithm(g_fid);
      if(n>0) {
	if( use_great_circle_algorithm != use_great_circle_algorithm_prev)
	  mpp_error("make_topog: atribute 'great_circle_algorithm' of field 'tile' have different value for different tile");
      }
      use_great_circle_algorithm_prev = use_great_circle_algorithm;

      mpp_close(g_fid);
    }
    mpp_close(m_fid);
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    if(use_great_circle_algorithm) mpp_def_global_att(fid, "great_circle_algorithm", "TRUE");
    mpp_def_global_att(fid, "history", history);
    
    mpp_end_def(fid);

    if(mpp_pe()==mpp_root_pe() && use_great_circle_algorithm)
      printf("\n NOTE from make_topog: use great circle algorithm\n");
    
    /* get the boundary condition for realistics topogrpahy, currently only support tripolar_grid,
     cyclic_x and cyclic_y*/
    if(my_topog_type == REALISTIC) get_boundary_type(mosaic_file, VERSION_2, &cyclic_x, &cyclic_y, &tripolar_grid);
    
    /* Generate topography and write out to the output_file */
    for(n=0; n<ntiles; n++) {
      int layout[2], isc, iec, jsc, jec, nxc, nyc, ni, i, j;
      double *gdata=NULL, *tmp=NULL;
      domain2D domain;
      
      /* define the domain, each tile will be run on all the processors. */
      mpp_define_layout( nx[n], ny[n], mpp_npes(), layout);
      mpp_define_domain2d( nx[n], ny[n], layout, 0, 0, &domain);
      mpp_get_compute_domain2d( domain, &isc, &iec, &jsc, &jec);
      nxc = iec - isc + 1;
      nyc = jec - jsc + 1;

      if(my_topog_type == DOME ) {
	x   = (double *)malloc(nxc*nyc*sizeof(double));
	y   = (double *)malloc(nxc*nyc*sizeof(double));
      }
      else {
	x   = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
	y   = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
      }
      depth = (double *)malloc(nxc*nyc*sizeof(double));
      if(vgrid_file) num_levels = (int* )malloc(nxc*nyc*sizeof(int)); 
      tmp   = (double *)malloc((nxc*x_refine+1)*(nyc*y_refine+1)*sizeof(double));
      start[0] = jsc*y_refine; start[1] = isc*x_refine;
      nread[0] = nyc*y_refine+1; nread[1] = nxc*x_refine+1;
      ni       = nxc*x_refine+1;
      g_fid = mpp_open(tile_files[n], MPP_READ);
      vid = mpp_get_varid(g_fid, "x");
      mpp_get_var_value_block(g_fid, vid, start, nread, tmp);
      if(my_topog_type == DOME ) {
	for(j = 0; j < nyc; j++) for(i = 0; i < nxc; i++)
	  x[j*nxc+i] = tmp[(j*y_refine+1)*ni+i*x_refine+1];
      }
      else {
	for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
	  x[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
      }
      vid = mpp_get_varid(g_fid, "y");
      mpp_get_var_value_block( g_fid, vid, start, nread, tmp);
      mpp_close(g_fid);
      if(my_topog_type == DOME ) {
	for(j = 0; j < nyc; j++) for(i = 0; i < nxc; i++)
	  y[j*nxc+i] = tmp[(j*y_refine+1)*ni+i*x_refine+1];
      }
      else {
	for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
	  y[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
      }
      switch (my_topog_type) {
      case RECTANGULAR_BASIN:
	create_rectangular_topog(nx[n], ny[n], bottom_depth, depth);
	break;
      case GAUSSIAN:
	create_gaussian_topog(nx[n], ny[n], x, y, bottom_depth, min_depth,
			      gauss_amp, gauss_scale, slope_x, slope_y, depth);
	break;
      case BOWL:
	create_bowl_topog(nx[n], ny[n], x, y, bottom_depth, min_depth, bowl_east,
			  bowl_south, bowl_west, bowl_north, depth);
	break;
      case IDEALIZED:
	create_idealized_topog( nx[n], ny[n], x, y, bottom_depth, min_depth, depth);
	break;
      case REALISTIC:	
	create_realistic_topog(nxc, nyc, x, y, vgrid_file, topog_file, topog_field, scale_factor,
			       tripolar_grid, cyclic_x, cyclic_y, fill_first_row, filter_topog, num_filter_pass,
			       smooth_topo_allow_deepening, round_shallow, fill_shallow,
			       deepen_shallow, full_cell, flat_bottom, adjust_topo,
			       fill_isolated_cells, dont_change_landmask, kmt_min, min_thickness, open_very_this_cell,
			       fraction_full_cell, depth, num_levels, domain, verbose, use_great_circle_algorithm );
	break;
      case BOX_CHANNEL:
	create_box_channel_topog(nx[n], ny[n], bottom_depth,
				 jwest_south, jwest_north, jeast_south, jeast_north, depth);
	break;
      case DOME:
	create_dome_topog(nx[n], ny[n], x, y, dome_slope, dome_bottom, dome_embayment_west,
			  dome_embayment_east, dome_embayment_south, dome_embayment_depth, depth);
	break;
      }
      gdata = (double *)malloc(nx[n]*ny[n]*sizeof(double));
      mpp_global_field_double(domain, nxc, nyc, depth, gdata);
      mpp_put_var_value(fid, id_depth[n], gdata);
      if(vgrid_file) {
	double *tmp_double=NULL;
	int    *gdata_int=NULL;
	tmp_double = (double *)malloc(nxc*nyc*sizeof(double));
	gdata_int = (int *)malloc(nx[n]*ny[n]*sizeof(int));
	for(i=0; i<nxc*nyc; i++) tmp_double[i] = num_levels[i];
	mpp_global_field_double(domain, nxc, nyc, tmp_double, gdata);
	for(i=0; i<nx[n]*ny[n]; i++) gdata_int[i] = gdata[i];
	mpp_put_var_value(fid, id_level[n], gdata_int);
	free(gdata_int);
	free(tmp_double);
	free(num_levels);
      }
      free(x);
      free(y);
      free(tmp);
      free(depth);
      free(gdata);
      mpp_delete_domain2d(&domain);
    }
    mpp_close(fid);
  
    /*release memory */
    free(id_depth);
    free(id_level);
    for(n=0; n<ntiles; n++) free(tile_files[n]);
    free(tile_files);
    free(nx);
    free(ny);
    free(nxp);
    free(nyp);
  }
    
  if(mpp_pe() == mpp_root_pe() && verbose ) printf("Successfully generate %s\n",output_file);

  mpp_end();

  return 0;
}; //main
Example #3
0
main (int argc, char *argv[])
{
  
  extern char *optarg;
  char *pch=NULL, *dir=NULL, history[512], entry[1280];
  char tilefile[MAXTILE][STRING], tiletype[MAXTILE][SHORTSTRING];
  char tile_name[MAXTILE][STRING];
  int ntiles=0, nfiles=0, ncontact=0;
  int *nxp, *nyp;
  double **x, **y;
  double periodx=0, periody=0;
  int contact_tile1[MAXCONTACT], contact_tile2[MAXCONTACT];
  int contact_tile1_istart[MAXCONTACT], contact_tile1_iend[MAXCONTACT];
  int contact_tile1_jstart[MAXCONTACT], contact_tile1_jend[MAXCONTACT];
  int contact_tile2_istart[MAXCONTACT], contact_tile2_iend[MAXCONTACT];
  int contact_tile2_jstart[MAXCONTACT], contact_tile2_jend[MAXCONTACT];
  char mosaic_name[128] = "solo_mosaic";
  char grid_descriptor[128] = "";
  int c, i, n, m, l, errflg;
  
  int option_index = 0;
  static struct option long_options[] = {
    {"mosaic_name",     required_argument, NULL, 'm'},
    {"num_tiles",       required_argument, NULL, 'n'},
    {"grid_descriptor", required_argument, NULL, 'g'},
    {"tile_file",       required_argument, NULL, 'f'},  
    {"periodx",         required_argument, NULL, 'x'},
    {"periody",         required_argument, NULL, 'y'},
    {"directory",       required_argument, NULL, 'd'},
    {NULL, 0, NULL, 0}
  };

  mpp_init(&argc, &argv);
  /* this tool must be run one processor */
  if(mpp_npes()>1) mpp_error("make_solo_mosaic: this tool must be run on one processor");
  
  errflg = (argc == 1);
  /* First read command line arguments. */

  while ((c = getopt_long(argc, argv, "h", long_options, &option_index)) != -1) {
    switch (c) {
    case 'n':
      ntiles = atoi(optarg);
      break;
    case 'm':
      strcpy(mosaic_name, optarg);
      break;
    case 'g':
      strcpy(grid_descriptor, optarg);
      break;
    case 'f':
      strcpy(entry, optarg); 
      pch = strtok(entry, ", ");
      nfiles = 0;
      while( pch != NULL) {
        strcpy(tilefile[nfiles++], pch);
	pch = strtok(NULL, ", ");
      }
      break;
    case 'x':
      periodx = atof(optarg);
      break;
    case 'y':
      periody = atof(optarg);
      break; 
    case 'd':  // path of the simple grid file.
      dir = optarg;
      break;
    case '?':
      errflg++;
    }
  }

  if (errflg || ntiles < 1 || !dir ) {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);      
  }

  strcpy(history,argv[0]);

  for(i=1;i<argc;i++) {
    strcat(history, " ");
    strcat(history, argv[i]);
  }

  if(ntiles > MAXTILE) {
    mpp_error("make_solo_mosaic: number of tiles is greater than MAXTILE.");
  }
    
  /*--- if file name is not specified through -f, file name will be horizontal_grid.tile#.nc */
  if(nfiles == 0) {
    if(ntiles == 1) {
      sprintf(tilefile[0],"horizontal_grid.nc");
    }
    else {
      for(n=0; n<ntiles; n++) {
	sprintf(tilefile[n],"horizontal_grid.tile%d.nc",n+1);
      }
    }
  }
  else { /* Check if ntile are matching number of grid file passed through -f */
    if( nfiles != ntiles) mpp_error("make_solo_mosaic: number of grid files specified through -n "
				   " does not equal to number of files specified through -f = ");
  }

  n = strlen(dir);
  if( dir[n-1] != '/') strcat(dir, "/");

  /*First read all the grid files.*/
  nxp = (int *)malloc(ntiles*sizeof(int));
  nyp = (int *)malloc(ntiles*sizeof(int));
  x = (double **)malloc(ntiles*sizeof(double *));
  y = (double **)malloc(ntiles*sizeof(double *));
  for(n=0; n<ntiles; n++) {
    char filepath[512];
    int fid, vid;
    sprintf(filepath, "%s%s",dir, tilefile[n]);
    fid = mpp_open(filepath, MPP_READ);
    nxp[n] = mpp_get_dimlen(fid, "nxp");
    nyp[n] = mpp_get_dimlen(fid, "nyp");
    x[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
    y[n] = (double *)malloc(nxp[n]*nyp[n]*sizeof(double));
    vid = mpp_get_varid(fid, "tile");
    mpp_get_var_value(fid, vid, tile_name[n]);
    vid = mpp_get_varid(fid, "x");
    mpp_get_var_value(fid, vid, x[n]);
    vid = mpp_get_varid(fid, "y");
    mpp_get_var_value(fid, vid, y[n]);
    mpp_close(fid);
  }


  /*find the contact region between tiles, currently assume the contact region are align-contact
    There should be no contact between same directions of two tiles ( w-w, e-e, s-s, n-n)
    We assume no contact between w-s, e-n ( will added in if needed ) . */
  ncontact = 0;
  for(n=0; n<ntiles; n++) {
    for(m=n; m<ntiles; m++) {
      int count;
      int istart1[MAXCONTACT], iend1[MAXCONTACT], jstart1[MAXCONTACT], jend1[MAXCONTACT];
      int istart2[MAXCONTACT], iend2[MAXCONTACT], jstart2[MAXCONTACT], jend2[MAXCONTACT];
      count = get_align_contact(n+1, m+1, nxp[n], nyp[n], nxp[m], nyp[m], x[n], y[n], x[m], y[m],
				periodx, periody, istart1, iend1, jstart1, jend1, istart2, iend2,
				jstart2, jend2);
      if(ncontact+count>MAXCONTACT) mpp_error("make_solo_mosaic: number of contacts is more than MAXCONTACT 1");
      for(l=0; l<count; l++) {
	contact_tile1_istart[ncontact] = istart1[l];
	contact_tile1_iend  [ncontact] = iend1[l];
	contact_tile1_jstart[ncontact] = jstart1[l];
	contact_tile1_jend  [ncontact] = jend1[l];
	contact_tile2_istart[ncontact] = istart2[l];
	contact_tile2_iend  [ncontact] = iend2[l];
	contact_tile2_jstart[ncontact] = jstart2[l];
	contact_tile2_jend  [ncontact] = jend2[l];
	contact_tile1       [ncontact] = n;
	contact_tile2       [ncontact] = m;
	ncontact++;
      }
    }
  }

  for(n=0; n<ntiles; n++) {
    for(m=n+1; m<ntiles; m++) {
      int count;
      int istart1[MAXCONTACT], iend1[MAXCONTACT], jstart1[MAXCONTACT], jend1[MAXCONTACT];
      int istart2[MAXCONTACT], iend2[MAXCONTACT], jstart2[MAXCONTACT], jend2[MAXCONTACT];
      count = get_overlap_contact(n+1, m+1, nxp[n], nyp[n], nxp[m], nyp[m], x[n], y[n], x[m], y[m],
				  istart1, iend1, jstart1, jend1, istart2, iend2, jstart2, jend2);
      if(ncontact+count>MAXCONTACT) mpp_error("make_solo_mosaic: number of contacts is more than MAXCONTACT 2");
      for(l=0; l<count; l++) {
	contact_tile1_istart[ncontact] = istart1[l];
	contact_tile1_iend  [ncontact] = iend1[l];
	contact_tile1_jstart[ncontact] = jstart1[l];
	contact_tile1_jend  [ncontact] = jend1[l];
	contact_tile2_istart[ncontact] = istart2[l];
	contact_tile2_iend  [ncontact] = iend2[l];
	contact_tile2_jstart[ncontact] = jstart2[l];
	contact_tile2_jend  [ncontact] = jend2[l];
	contact_tile1       [ncontact] = n;
	contact_tile2       [ncontact] = m;
	ncontact++;
      }
    }
  }
  

  /* write out data */
  {
    char str[STRING], outfile[STRING];
    int fid, dim_ntiles, dim_ncontact, dim_string, id_mosaic, id_gridtiles, id_contacts;
    int id_contact_index, id_griddir, id_gridfiles, dim[2];
    size_t start[4], nwrite[4];

    sprintf(outfile, "%s.nc", mosaic_name);
    fid = mpp_open(outfile, MPP_WRITE);
    /* define dimenison */
    dim_ntiles = mpp_def_dim(fid, "ntiles", ntiles);
    if(ncontact>0) dim_ncontact = mpp_def_dim(fid, "ncontact", ncontact);
    dim_string = mpp_def_dim(fid, "string", STRING);    
    /* define variable */
    id_mosaic = mpp_def_var(fid, "mosaic", MPP_CHAR, 1, &dim_string, 4, "standard_name",
			    "grid_mosaic_spec", "children", "gridtiles", "contact_regions", "contacts",
			    "grid_descriptor", grid_descriptor);
    dim[0] = dim_ntiles; dim[1] = dim_string;
    id_griddir   = mpp_def_var(fid, "gridlocation", MPP_CHAR, 1, &dim[1], 1,
			       "standard_name", "grid_file_location");
    id_gridfiles = mpp_def_var(fid, "gridfiles", MPP_CHAR, 2, dim, 0);
    id_gridtiles = mpp_def_var(fid, "gridtiles", MPP_CHAR, 2, dim, 0);

    if(ncontact>0) {
      dim[0] = dim_ncontact; dim[1] = dim_string;
      id_contacts = mpp_def_var(fid, "contacts", MPP_CHAR, 2, dim, 5, "standard_name", "grid_contact_spec",
				"contact_type", "boundary", "alignment", "true",
				"contact_index", "contact_index", "orientation", "orient");
      id_contact_index = mpp_def_var(fid, "contact_index", MPP_CHAR, 2, dim, 1, "standard_name",
				     "starting_ending_point_index_of_contact");

    }
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    mpp_def_global_att(fid, "history", history);
    mpp_end_def(fid);

    /* write out data */
    for(i=0; i<4; i++) {
      start[i] = 0; nwrite[i] = 1;
    }
    nwrite[0] = strlen(mosaic_name);
    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_name);
    nwrite[0] = strlen(dir);
    mpp_put_var_value_block(fid, id_griddir, start, nwrite, dir);
    nwrite[0] = 1;
    for(n=0; n<ntiles; n++) {
      start[0] = n; nwrite[1] = strlen(tile_name[n]);
      mpp_put_var_value_block(fid, id_gridtiles, start, nwrite, tile_name[n]);
      nwrite[1] = strlen(tilefile[n]);
      mpp_put_var_value_block(fid, id_gridfiles, start, nwrite, tilefile[n]);
    }
    
    for(n=0; n<ncontact; n++) {
      sprintf(str,"%s:%s::%s:%s", mosaic_name, tile_name[contact_tile1[n]], mosaic_name,
	      tile_name[contact_tile2[n]]);
      start[0] = n; nwrite[1] = strlen(str);
      mpp_put_var_value_block(fid, id_contacts, start, nwrite, str);
      sprintf(str,"%d:%d,%d:%d::%d:%d,%d:%d", contact_tile1_istart[n], contact_tile1_iend[n],
	      contact_tile1_jstart[n], contact_tile1_jend[n], contact_tile2_istart[n],
	      contact_tile2_iend[n], contact_tile2_jstart[n], contact_tile2_jend[n] );
      nwrite[1] = strlen(str);
      mpp_put_var_value_block(fid, id_contact_index, start, nwrite, str);
    }
    mpp_close(fid);    
  }

  
  printf("congradulation: You have successfully run make_solo_mosaic\n");

  return 0;
  
}; // end of main
Example #4
0
int main (int argc, char *argv[])
{
  int c, n, i;
  int errflg = (argc == 1);
  int    option_index = 0;
  int fid, vid, nfile_aXl, ntiles;

  int *nx, *ny;
  double **lonb, **latb, **land_area, **ocean_area, **cell_area;
  char **axl_file = NULL, **axo_file=NULL, **lxo_file=NULL;
  char **ocn_topog_file = NULL;
  char *input_mosaic = NULL;
  char mosaic_name[STRING] = "mosaic", mosaic_file[STRING];
  char griddir[STRING], lnd_mosaic[STRING], filepath[STRING];
  char history[512];
  
  static struct option long_options[] = {
    {"input_mosaic",       required_argument, NULL, 'i'},
    {"mosaic_name",        required_argument, NULL, 'm'},
    {NULL, 0, NULL, 0}
  };

  
  /*
   * process command line
   */

  while ((c = getopt_long(argc, argv, "i:", long_options, &option_index) ) != -1)
    switch (c) {
    case 'i': 
      input_mosaic = optarg;
      break;
    case 'm':
      strcpy(mosaic_name,optarg);
      break;
        case '?':
      errflg++;
    }
  if (errflg || !input_mosaic)  {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);
  }  

  strcpy(history,argv[0]);

  for(i=1;i<argc;i++) {
    strcat(history, " ");
    strcat(history, argv[i]);
  }
  
  /* First get land grid information */
  
  mpp_init(&argc, &argv);
  sprintf(mosaic_file, "%s.nc", mosaic_name);
  get_file_path(input_mosaic, griddir);  
  fid = mpp_open(input_mosaic, MPP_READ);
  vid = mpp_get_varid(fid, "lnd_mosaic_file");
  mpp_get_var_value(fid, vid, lnd_mosaic);
  nfile_aXl = mpp_get_dimlen( fid, "nfile_aXl");

  /*make sure the directory that stores the mosaic_file is not current directory */
  { 
    char cur_path[STRING];
    
    if(getcwd(cur_path, STRING) != cur_path ) mpp_error("make_quick_mosaic: The size of cur_path maybe is not big enough");
    printf("The current directory is %s\n", cur_path);
    printf("The mosaic file location is %s\n", griddir);
    if(strcmp(griddir, cur_path)==0 || strcmp( griddir, ".")==0)
      mpp_error("make_quick_mosaic: The input mosaic file location should not be current directory");
  }
  
  sprintf(filepath, "%s/%s", griddir, lnd_mosaic);
  ntiles = read_mosaic_ntiles(filepath);
  /* copy the lnd_mosaic file and grid file */
  {
    int fid2, vid2;
    char cmd[STRING], gridfile[STRING];
    size_t start[4], nread[4];
    sprintf(cmd, "cp %s %s", filepath, lnd_mosaic);

    system(cmd);
    fid2 = mpp_open(filepath, MPP_READ);
    vid2 = mpp_get_varid(fid2, "gridfiles");
    for(i=0; i<4; i++) {
      start[i] = 0; nread[i] = 1;
    }	  
    for(n=0; n<ntiles; n++) {  
      start[0] = n; nread[1] = STRING;
      mpp_get_var_value_block(fid2, vid2, start, nread, gridfile);
      sprintf(cmd, "cp %s/%s %s", griddir, gridfile, gridfile);
      printf("%s \n", cmd);
      system(cmd);
    }
    mpp_close(fid2);
  }

  /* ntiles should be either 1 or ntiles = nfile_aXl */
  if(ntiles != nfile_aXl && ntiles != 1)
    mpp_error("make_quick_mosaic: only support ntiles = 1 or ntiles = nfile_aXl, contact developer");

  nx = (int *)malloc(ntiles*sizeof(int));
  ny = (int *)malloc(ntiles*sizeof(int));
  read_mosaic_grid_sizes(filepath, nx, ny);
  lonb = (double **)malloc(ntiles*sizeof(double *));
  latb = (double **)malloc(ntiles*sizeof(double *));
  for(n=0; n<ntiles; n++) {
     lonb[n] = (double *)malloc((nx[n]+1)*(ny[n]+1)*sizeof(double));
     latb[n] = (double *)malloc((nx[n]+1)*(ny[n]+1)*sizeof(double));     
     read_mosaic_grid_data(filepath, "x", nx[n], ny[n], lonb[n], n, 0, 0); 
     read_mosaic_grid_data(filepath, "y", nx[n], ny[n], latb[n], n, 0, 0);
     for(i=0; i<(nx[n]+1)*(ny[n]+1); i++) {
       lonb[n][i] *= (M_PI/180.0);
       latb[n][i] *= (M_PI/180.0);
     }
  }

  
  /* read the exchange grid information and get the land/sea mask of land model*/
  land_area = (double **)malloc(ntiles*sizeof(double *));
  for(n=0; n<ntiles; n++) {
    land_area[n] = (double *)malloc(nx[n]*ny[n]*sizeof(double));
    for(i=0; i<nx[n]*ny[n]; i++) land_area[n][i] = 0;
  }

  vid = mpp_get_varid(fid, "aXl_file");
  for(n=0; n<nfile_aXl; n++) {
    size_t start[4], nread[4];
    int nxgrid;
    char aXl_file[STRING];
    start[0] = n;
    start[1] = 0;
    nread[0] = 1;
    nread[1] = STRING;
    mpp_get_var_value_block(fid, vid, start, nread, aXl_file);
    sprintf(filepath, "%s/%s", griddir, aXl_file);
    nxgrid = read_mosaic_xgrid_size(filepath);
    if(nxgrid>0) {
      int l;
      int *i1, *j1, *i2, *j2;
      double *area;

      i1 = (int *)malloc(nxgrid*sizeof(int));
      j1 = (int *)malloc(nxgrid*sizeof(int));
      i2 = (int *)malloc(nxgrid*sizeof(int));
      j2 = (int *)malloc(nxgrid*sizeof(int));
      area = (double *)malloc(nxgrid*sizeof(double));
      read_mosaic_xgrid_order1(filepath, i1, j1, i2, j2, area);
      if(ntiles == 1) {
	for(l=0; l<nxgrid; l++) land_area[0][j2[l]*nx[0]+i2[l]] += (area[l]*4*M_PI*RADIUS*RADIUS);
      }
      else {
	for(l=0; l<nxgrid; l++) land_area[n][j2[l]*nx[n]+i2[l]] += (area[l]*4*M_PI*RADIUS*RADIUS);
      }
      free(i1);
      free(j1);
      free(i2);
      free(j2);
      free(area);
    }
  }

  mpp_close(fid);
  
  /* calculate ocean area */
  ocean_area = (double **)malloc(ntiles*sizeof(double *));
  cell_area = (double **)malloc(ntiles*sizeof(double *));
  for(n=0; n<ntiles; n++) {
    ocean_area[n] = (double *)malloc(nx[n]*ny[n]*sizeof(double));
    cell_area[n] = (double *)malloc(nx[n]*ny[n]*sizeof(double));
    get_grid_area(&nx[n], &ny[n], lonb[n], latb[n], cell_area[n]);
    for(i=0; i<nx[n]*ny[n]; i++) {
      ocean_area[n][i] = cell_area[n][i];
      if( fabs(ocean_area[n][i]-land_area[n][i])/ocean_area[n][i] < AREA_RATIO_THRESH )
	ocean_area[n][i] = 0;
      else 
	ocean_area[n][i] -= land_area[n][i];
      if(ocean_area[n][i] < 0) {
	printf("at i = %d, ocean_area = %g, land_area = %g, cell_area=%g\n", i, ocean_area[n][i], land_area[n][i], cell_area[n][i]);
	mpp_error("make_quick_mosaic: ocean area is negative at some points");
      }
    }
  }

  /* write out land mask */
  {
    for(n=0; n<ntiles; n++) {
      int fid, id_mask, dims[2];
      char lnd_mask_file[STRING];
      double *mask;
      mask = (double *)malloc(nx[n]*ny[n]*sizeof(double));
      for(i=0; i<nx[n]*ny[n]; i++) mask[i] = land_area[n][i]/cell_area[n][i];
      
      if(ntiles > 1)
	sprintf(lnd_mask_file, "land_mask_tile%d.nc", n+1);
      else
	strcpy(lnd_mask_file, "land_mask.nc");
      fid = mpp_open(lnd_mask_file, MPP_WRITE);
      mpp_def_global_att(fid, "grid_version", grid_version);
      mpp_def_global_att(fid, "code_version", tagname);
      mpp_def_global_att(fid, "history", history);
      dims[1] = mpp_def_dim(fid, "nx", nx[n]); 
      dims[0] = mpp_def_dim(fid, "ny", ny[n]);
      id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
			    "land fraction at T-cell centers", "units", "none");
      mpp_end_def(fid);
      mpp_put_var_value(fid, id_mask, mask);
      free(mask);
      mpp_close(fid);
    }
  }
    
  /* write out ocean mask */
  {
    for(n=0; n<ntiles; n++) {
      int fid, id_mask, dims[2];
      char ocn_mask_file[STRING];
      double *mask;
      mask = (double *)malloc(nx[n]*ny[n]*sizeof(double));
      for(i=0; i<nx[n]*ny[n]; i++) mask[i] = ocean_area[n][i]/cell_area[n][i];
      
      if(ntiles > 1)
	sprintf(ocn_mask_file, "ocean_mask_tile%d.nc", n+1);
      else
	strcpy(ocn_mask_file, "ocean_mask.nc");
      fid = mpp_open(ocn_mask_file, MPP_WRITE);
      mpp_def_global_att(fid, "grid_version", grid_version);
      mpp_def_global_att(fid, "code_version", tagname);
      mpp_def_global_att(fid, "history", history);
      dims[1] = mpp_def_dim(fid, "nx", nx[n]); 
      dims[0] = mpp_def_dim(fid, "ny", ny[n]);
      id_mask = mpp_def_var(fid, "mask", MPP_DOUBLE, 2, dims,  2, "standard_name",
			    "ocean fraction at T-cell centers", "units", "none");
      mpp_end_def(fid);
      mpp_put_var_value(fid, id_mask, mask);
      free(mask);
      mpp_close(fid);
    }
  }
  
  ocn_topog_file = (char **)malloc(ntiles*sizeof(char *));
  axl_file = (char **)malloc(ntiles*sizeof(char *));
  axo_file = (char **)malloc(ntiles*sizeof(char *));
  lxo_file = (char **)malloc(ntiles*sizeof(char *));
  for(n=0; n<ntiles; n++) {
    axl_file[n] = (char *)malloc(STRING*sizeof(char));
    axo_file[n] = (char *)malloc(STRING*sizeof(char));
    lxo_file[n] = (char *)malloc(STRING*sizeof(char));
    ocn_topog_file[n] = (char *)malloc(STRING*sizeof(char));
    sprintf(ocn_topog_file[n], "ocean_topog_tile%d.nc", n+1);
    sprintf(axl_file[n], "atmos_mosaic_tile%dXland_mosaic_tile%d.nc", n+1, n+1);
    sprintf(axo_file[n], "atmos_mosaic_tile%dXocean_mosaic_tile%d.nc", n+1, n+1);
    sprintf(lxo_file[n], "land_mosaic_tile%dXocean_mosaic_tile%d.nc", n+1, n+1);
  }
  
  
  for(n=0; n<ntiles; n++) {
    int *i1, *j1, *i2, *j2;
    double *area, *di, *dj;
    int nxgrid, i, j;
    int fid, dim_string, dim_ncells, dim_two, dims[2];
    int id_contact, id_tile1_cell, id_tile2_cell;
    int id_xgrid_area, id_tile1_dist, id_tile2_dist;
    size_t start[4], nwrite[4];
    char contact[STRING];

    for(i=0; i<4; i++) {
      start[i] = 0; nwrite[i] = 1;
    }	  
    
    /* first calculate the atmXlnd exchange grid */
    i1 = (int *)malloc(nx[n]*ny[n]*sizeof(int));
    j1 = (int *)malloc(nx[n]*ny[n]*sizeof(int));
    i2 = (int *)malloc(nx[n]*ny[n]*sizeof(int));
    j2 = (int *)malloc(nx[n]*ny[n]*sizeof(int));
    area = (double *)malloc(nx[n]*ny[n]*sizeof(double));
    di   = (double *)malloc(nx[n]*ny[n]*sizeof(double));
    dj   = (double *)malloc(nx[n]*ny[n]*sizeof(double));

    /* write out the atmosXland exchange grid file, The file name will be atmos_mosaic_tile#Xland_mosaic_tile#.nc */   
    nxgrid = 0;
    for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
      if(land_area[n][j*nx[n]+i] >0) {
	i1[nxgrid] = i+1;
	j1[nxgrid] = j+1;
	i2[nxgrid] = i+1;
	j2[nxgrid] = j+1;
	area[nxgrid] = land_area[n][j*nx[n]+i];
	di[nxgrid] = 0;
	dj[nxgrid] = 0;
	nxgrid++;
      }
    }
 
    fid = mpp_open(axl_file[n], MPP_WRITE);
    sprintf(contact, "atmos_mosaic:tile%d::land_mosaic:tile%d", n+1, n+1);
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    mpp_def_global_att(fid, "history", history);
    dim_string = mpp_def_dim(fid, "string", STRING);
    dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
    dim_two    = mpp_def_dim(fid, "two", 2);
    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
			     "contact_type", "exchange", "parent1_cell",
			     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
			     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
	    
    dims[0] = dim_ncells; dims[1] = dim_two;
    id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
    id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
    id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
				"exchange_grid_area", "units", "m2");
    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
    mpp_end_def(fid);
    nwrite[0] = strlen(contact);
    mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
    nwrite[0] = nxgrid;
    mpp_put_var_value(fid, id_xgrid_area, area);
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, i1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, i2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, di);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, di);    
    start[1] = 1;
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, j1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, j2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, dj);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, dj);   
    mpp_close(fid);
    
    /* write out the atmosXocean exchange grid file, The file name will be atmos_mosaic_tile#Xocean_mosaic_tile#.nc */
    nxgrid = 0;
    for(j=0; j<ny[n]; j++) for(i=0; i<nx[n]; i++) {
      if(ocean_area[n][j*nx[n]+i] >0) {
	i1[nxgrid] = i+1;
	j1[nxgrid] = j+1;
	i2[nxgrid] = i+1;
	j2[nxgrid] = j+1;
	area[nxgrid] = ocean_area[n][j*nx[n]+i];
	di[nxgrid] = 0;
	dj[nxgrid] = 0;
	nxgrid++;
      }
    }    
    fid = mpp_open(axo_file[n], MPP_WRITE);
    sprintf(contact, "atmos_mosaic:tile%d::ocean_mosaic:tile%d", n+1, n+1);
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    mpp_def_global_att(fid, "history", history);
    dim_string = mpp_def_dim(fid, "string", STRING);
    dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
    dim_two    = mpp_def_dim(fid, "two", 2);
    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
			     "contact_type", "exchange", "parent1_cell",
			     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
			     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
	    
    dims[0] = dim_ncells; dims[1] = dim_two;
    id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
    id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
    id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
				"exchange_grid_area", "units", "m2");
    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
    mpp_end_def(fid);
    start[1] = 0;
    nwrite[0] = strlen(contact);
    mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
    nwrite[0] = nxgrid;
    mpp_put_var_value(fid, id_xgrid_area, area);
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, i1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, i2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, di);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, di);    
    start[1] = 1;
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, j1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, j2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, dj);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, dj);   
    mpp_close(fid);
    
    /* write out landXocean exchange grid information */
    fid = mpp_open(lxo_file[n], MPP_WRITE);
    sprintf(contact, "land_mosaic:tile%d::ocean_mosaic:tile%d", n+1, n+1);
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    mpp_def_global_att(fid, "history", history);
    dim_string = mpp_def_dim(fid, "string", STRING);
    dim_ncells = mpp_def_dim(fid, "ncells", nxgrid);
    dim_two    = mpp_def_dim(fid, "two", 2);
    id_contact = mpp_def_var(fid, "contact", MPP_CHAR, 1, &dim_string, 7, "standard_name", "grid_contact_spec",
			     "contact_type", "exchange", "parent1_cell",
			     "tile1_cell", "parent2_cell", "tile2_cell", "xgrid_area_field", "xgrid_area", 
			     "distant_to_parent1_centroid", "tile1_distance", "distant_to_parent2_centroid", "tile2_distance");
	    
    dims[0] = dim_ncells; dims[1] = dim_two;
    id_tile1_cell = mpp_def_var(fid, "tile1_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic1");
    id_tile2_cell = mpp_def_var(fid, "tile2_cell", MPP_INT, 2, dims, 1, "standard_name", "parent_cell_indices_in_mosaic2");
    id_xgrid_area = mpp_def_var(fid, "xgrid_area", MPP_DOUBLE, 1, &dim_ncells, 2, "standard_name",
				"exchange_grid_area", "units", "m2");
    id_tile1_dist = mpp_def_var(fid, "tile1_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent1_cell_centroid");
    id_tile2_dist = mpp_def_var(fid, "tile2_distance", MPP_DOUBLE, 2, dims, 1, "standard_name", "distance_from_parent2_cell_centroid");
    mpp_end_def(fid);
    start[1] = 0;
    nwrite[0] = strlen(contact);
    mpp_put_var_value_block(fid, id_contact, start, nwrite, contact);
    nwrite[0] = nxgrid;
    mpp_put_var_value(fid, id_xgrid_area, area);
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, i1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, i2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, di);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, di);    
    start[1] = 1;
    mpp_put_var_value_block(fid, id_tile1_cell, start, nwrite, j1);
    mpp_put_var_value_block(fid, id_tile2_cell, start, nwrite, j2);
    mpp_put_var_value_block(fid, id_tile1_dist, start, nwrite, dj);
    mpp_put_var_value_block(fid, id_tile2_dist, start, nwrite, dj);   
    mpp_close(fid);
    
    free(i1);
    free(j1);
    free(i2);
    free(j2);
    free(area);
    free(di);
    free(dj);
  }
  
  /*Fianlly create the coupler mosaic file mosaic_name.nc */
  {
    int dim_string, dim_axo, dim_axl, dim_lxo, dims[2];
    int id_amosaic_file, id_lmosaic_file, id_omosaic_file, id_otopog_file;
    int id_axo_file, id_axl_file, id_lxo_file;
    size_t start[4], nwrite[4];

    for(i=0; i<4; i++) {
      start[i] = 0; nwrite[i] = 1;
    }	      
    printf("mosaic_file is %s\n", mosaic_file);   
    fid = mpp_open(mosaic_file, MPP_WRITE);
    mpp_def_global_att(fid, "grid_version", grid_version);
    mpp_def_global_att(fid, "code_version", tagname);
    mpp_def_global_att(fid, "history", history);
    dim_string = mpp_def_dim(fid, "string", STRING);
    dim_axo = mpp_def_dim(fid, "nfile_aXo", ntiles);
    dim_axl = mpp_def_dim(fid, "nfile_aXl", ntiles);
    dim_lxo = mpp_def_dim(fid, "nfile_lXo", ntiles);    
    id_amosaic_file = mpp_def_var(fid, "atm_mosaic_file", MPP_CHAR, 1, &dim_string,
				  1, "standard_name", "atmosphere_mosaic_file_name");
    id_lmosaic_file = mpp_def_var(fid, "lnd_mosaic_file", MPP_CHAR, 1, &dim_string,
				  1, "standard_name", "land_mosaic_file_name");
    id_omosaic_file = mpp_def_var(fid, "ocn_mosaic_file", MPP_CHAR, 1, &dim_string,
				  1, "standard_name", "ocean_mosaic_file_name");
    id_otopog_file  = mpp_def_var(fid, "ocn_topog_file", MPP_CHAR, 1, &dim_string,
				  1, "standard_name", "ocean_topog_file_name");    
    dims[0] = dim_axo; dims[1] = dim_string;
    id_axo_file = mpp_def_var(fid, "aXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXocn_exchange_grid_file");
    dims[0] = dim_axl; dims[1] = dim_string;
    id_axl_file = mpp_def_var(fid, "aXl_file", MPP_CHAR, 2, dims, 1, "standard_name", "atmXlnd_exchange_grid_file");
    dims[0] = dim_lxo; dims[1] = dim_string;
    id_lxo_file = mpp_def_var(fid, "lXo_file", MPP_CHAR, 2, dims, 1, "standard_name", "lndXocn_exchange_grid_file");
    mpp_end_def(fid);    
    nwrite[0] = strlen(lnd_mosaic);
    mpp_put_var_value_block(fid, id_lmosaic_file, start, nwrite, lnd_mosaic);
    mpp_put_var_value_block(fid, id_amosaic_file, start, nwrite, lnd_mosaic);
    mpp_put_var_value_block(fid, id_omosaic_file, start, nwrite, lnd_mosaic);
    for(n=0; n<ntiles; n++) {
      start[0] = n; nwrite[0] =1;
      nwrite[1] = strlen(ocn_topog_file[n]);
      mpp_put_var_value_block(fid, id_otopog_file, start, nwrite, ocn_topog_file[n]);
      nwrite[1] = strlen(axl_file[n]);
      mpp_put_var_value_block(fid, id_axl_file, start, nwrite, axl_file[n]);
      nwrite[1] = strlen(axo_file[n]);
      mpp_put_var_value_block(fid, id_axo_file, start, nwrite, axo_file[n]);
      nwrite[1] = strlen(lxo_file[n]);
      mpp_put_var_value_block(fid, id_lxo_file, start, nwrite, lxo_file[n]);
    }
    mpp_close(fid);
  }
    
  for(n=0; n<ntiles; n++) {
    free(axl_file[n]);
    free(axo_file[n]);
    free(lxo_file[n]);
  }
  free(axl_file);
  free(axo_file);
  free(lxo_file);
  printf("\n***** Congratulation! You have successfully run make_quick_mosaic\n");
  mpp_end();

  return 0;

} /* main */  
Example #5
0
int main(int argc, char* argv[])
{
  char   *mosaic_file = NULL, *topog_file = NULL, *topog_field = NULL;
  char   topog_type[32] = "realistic", output_file[32] = "topog.nc";
  int    num_filter_pass = 1;
  int    x_refine = 2, y_refine = 2;
  double basin_depth = 5000, bottom_depth = 5000, min_depth = 10, scale_factor = 1;
  double gauss_amp = 0.5, gauss_scale = 0.25, slope_x = 0, slope_y = 0;
  double bowl_south = 60, bowl_north = 70, bowl_west = 0, bowl_east = 20;
  int    flat_bottom = 0, fill_first_row = 0;
  int    filter_topog = 0, round_shallow = 0, fill_shallow = 0;
  int    deepen_shallow = 0, smooth_topo_allow_deepening = 0;
  int    errflg = (argc == 1);
  int    option_index, i, c;
  int ret;
  
  /*
   * process command line
   */

  static struct option long_options[] = {
    {"mosaic",                      required_argument, NULL, 'a'},
    {"topog_type",                  required_argument, NULL, 'b'},
    {"x_refine",                    required_argument, NULL, 'X'},
    {"y_refine",                    required_argument, NULL, 'Y'},
    {"basin_depth",                 required_argument, NULL, 'c'},
    {"topog_file",                  required_argument, NULL, 'd'},
    {"topog_field",                 required_argument, NULL, 'e'},
    {"bottom_depth",                required_argument, NULL, 'f'},
    {"min_depth",                   required_argument, NULL, 'g'},
    {"scale_factor",                required_argument, NULL, 'i'},
    {"num_filter_pass",             required_argument, NULL, 'j'},
    {"gauss_amp",                   required_argument, NULL, 'k'},
    {"gauss_scale",                 required_argument, NULL, 'l'},
    {"slope_x",                     required_argument, NULL, 'm'},    
    {"slope_y",                     required_argument, NULL, 'n'},
    {"bowl_south",                  required_argument, NULL, 'p'},
    {"bowl_north",                  required_argument, NULL, 'q'},
    {"bowl_west",                   required_argument, NULL, 'r'},
    {"bowl_east",                   required_argument, NULL, 's'},
    {"fill_first_row",              no_argument,       NULL, 't'},
    {"filter_topog",                no_argument,       NULL, 'u'},    
    {"round_shallow",               no_argument,       NULL, 'v'},
    {"fill_shallow",                no_argument,       NULL, 'w'},
    {"deepen_shallow",              no_argument,       NULL, 'x'},
    {"smooth_topo_allow_deepening", no_argument,       NULL, 'y'},
    {"output",                      required_argument, NULL, 'o'},
    {"help",                        no_argument,       NULL, 'h'},
    {0, 0, 0, 0},
  };

  /* start parallel */

  mpp_init(&argc, &argv);

  mpp_domain_init();  
   
  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
    switch (c) {
    case 'a':
      mosaic_file = optarg;
      break;      
    case 'b':
      strcpy(topog_type, optarg);
      break;
    case 'X':
      x_refine = atoi(optarg);
      break;
    case 'Y':
      y_refine = atoi(optarg);
      break;      
    case 'c':
      basin_depth = atof(optarg);
      break;
    case 'd':
      topog_file = optarg;
      break;
    case 'e':
      topog_field = optarg;
      break;
    case 'f':
      bottom_depth = atof(optarg);
      break; 
    case 'g':
      min_depth = atof(optarg);
      break;
    case 'i':
      scale_factor = atof(optarg);
      break;
    case 'j':
      num_filter_pass = atoi(optarg);
      break; 
    case 'k':
      gauss_amp = atof(optarg);
      break;
    case 'l':
      gauss_scale = atof(optarg);
      break;
    case 'm':
      slope_x = atof(optarg);
      break;
    case 'n':
      slope_y = atof(optarg);
      break;
    case 'p':
      bowl_south = atof(optarg);
      break;
    case 'q':
      bowl_north = atof(optarg);
      break;
    case 'r':
      bowl_west  = atof(optarg);
      break;
    case 's':
      bowl_east  = atof(optarg);
      break;
    case 't':
      fill_first_row = 1;
      break;
    case 'u':
      filter_topog = 1;
      break;
    case 'v':
      round_shallow = 1;
      break;
    case 'w':
      fill_shallow = 1;
      break;
    case 'x':
      deepen_shallow = 1;
      break;
    case 'y':
      smooth_topo_allow_deepening = 1;
      break;
    case 'o':
      strcpy(output_file,optarg);
      break; 
    case '?':
      errflg++;
      break;
    }

  if (errflg || !mosaic_file ) {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);
  }

  /* Write out arguments value  */
  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the topog_type is: %s\n",topog_type);

  strcpy(history,argv[0]);
  
  for(i=1;i<argc;i++) {
     strcat(history, " ");
     strcat(history, argv[i]);
  }

  if ((ret = gs_make_topog(history, mosaic_file, topog_type, x_refine, y_refine, 
                           basin_depth,  topog_file, bottom_depth, min_depth, scale_factor, 
                           num_filter_pass, gauss_amp, gauss_scale, slope_x, slope_y, 
                           bowl_south, bowl_north, bowl_west, bowl_east, fill_first_row, 
                           filter_topog, round_shallow, fill_shallow, deepen_shallow,
                           smooth_topo_allow_deepening, output_file)))
     return ret;

    
  if(mpp_pe() == mpp_root_pe() ) printf("Successfully generate %s\n",output_file);

  mpp_end();

  return 0;
}; //main
Example #6
0
int main(int argc, char* argv[])
{
  char   *mosaic_file = NULL, *topog_file = NULL, *topog_field = NULL;
  char   topog_type[32] = "realistic", topog_mosaic[128] = "topog_mosaic";
  char   output_file[256];
  int    num_filter_pass = 1;
  int    x_refine = 2, y_refine = 2;
  double basin_depth = 5000, bottom_depth = 5000, min_depth = 10, scale_factor = 1;
  double gauss_amp = 0.5, gauss_scale = 0.25, slope_x = 0, slope_y = 0;
  double bowl_south = 60, bowl_north = 70, bowl_west = 0, bowl_east = 20;
  int    flat_bottom = 0, fill_first_row = 0;
  int    filter_topog = 0, round_shallow = 0, fill_shallow = 0;
  int    deepen_shallow = 0, smooth_topo_allow_deepening = 0;
  int    errflg = (argc == 1);
  int    option_index, i, c;

  
  /*
   * process command line
   */

  static struct option long_options[] = {
    {"mosaic",                      required_argument, NULL, 'a'},
    {"topog_type",                  required_argument, NULL, 'b'},
    {"x_refine",                    required_argument, NULL, 'X'},
    {"y_refine",                    required_argument, NULL, 'Y'},
    {"basin_depth",                 required_argument, NULL, 'c'},
    {"topog_file",                  required_argument, NULL, 'd'},
    {"topog_field",                 required_argument, NULL, 'e'},
    {"bottom_depth",                required_argument, NULL, 'f'},
    {"min_depth",                   required_argument, NULL, 'g'},
    {"scale_factor",                required_argument, NULL, 'i'},
    {"num_filter_pass",             required_argument, NULL, 'j'},
    {"gauss_amp",                   required_argument, NULL, 'k'},
    {"gauss_scale",                 required_argument, NULL, 'l'},
    {"slope_x",                     required_argument, NULL, 'm'},    
    {"slope_y",                     required_argument, NULL, 'n'},
    {"bowl_south",                  required_argument, NULL, 'p'},
    {"bowl_north",                  required_argument, NULL, 'q'},
    {"bowl_west",                   required_argument, NULL, 'r'},
    {"bowl_east",                   required_argument, NULL, 's'},
    {"fill_first_row",              no_argument,       NULL, 't'},
    {"filter_topog",                no_argument,       NULL, 'u'},    
    {"round_shallow",               no_argument,       NULL, 'v'},
    {"fill_shallow",                no_argument,       NULL, 'w'},
    {"deepen_shallow",              no_argument,       NULL, 'x'},
    {"smooth_topo_allow_deepening", no_argument,       NULL, 'y'},
    {"topog_mosaic",                required_argument, NULL, 'o'},
    {"help",                        no_argument,       NULL, 'h'},
    {0, 0, 0, 0},
  };

  /* start parallel */

  mpp_init(&argc, &argv);

  mpp_domain_init();  
   
  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1)
    switch (c) {
    case 'a':
      mosaic_file = optarg;
      break;      
    case 'b':
      strcpy(topog_type, optarg);
      break;
    case 'X':
      x_refine = atoi(optarg);
      break;
    case 'Y':
      y_refine = atoi(optarg);
      break;      
    case 'c':
      basin_depth = atof(optarg);
      break;
    case 'd':
      topog_file = optarg;
      break;
    case 'e':
      topog_field = optarg;
      break;
    case 'f':
      bottom_depth = atof(optarg);
      break; 
    case 'g':
      min_depth = atof(optarg);
      break;
    case 'i':
      scale_factor = atof(optarg);
      break;
    case 'j':
      num_filter_pass = atoi(optarg);
      break; 
    case 'k':
      gauss_amp = atof(optarg);
      break;
    case 'l':
      gauss_scale = atof(optarg);
      break;
    case 'm':
      slope_x = atof(optarg);
      break;
    case 'n':
      slope_y = atof(optarg);
      break;
    case 'p':
      bowl_south = atof(optarg);
      break;
    case 'q':
      bowl_north = atof(optarg);
      break;
    case 'r':
      bowl_west  = atof(optarg);
      break;
    case 's':
      bowl_east  = atof(optarg);
      break;
    case 't':
      fill_first_row = 1;
      break;
    case 'u':
      filter_topog = 1;
      break;
    case 'v':
      round_shallow = 1;
      break;
    case 'w':
      fill_shallow = 1;
      break;
    case 'x':
      deepen_shallow = 1;
      break;
    case 'y':
      smooth_topo_allow_deepening = 1;
      break;
    case 'o':
      strcpy(topog_mosaic,optarg);
      break; 
    case '?':
      errflg++;
      break;
    }

  if (errflg || !mosaic_file ) {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);
  }


  /* Write out arguments value  */
  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the topog_type is: %s\n",topog_type);
  if(x_refine != 2 || y_refine != 2 ) mpp_error("Error from make_topog: x_refine and y_refine should be 2, contact developer");
  if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> x_refine is %d, y_refine is %d\n",
				       x_refine, y_refine);

  if (strcmp(topog_type,"rectangular_basin") == 0) {
    if(mpp_pe() == mpp_root_pe()) printf("NOTE from make_topog ==> the basin depth is %f\n",basin_depth);
  }
  else if (strcmp(topog_type,"gaussian") == 0) {
    if(mpp_pe() == mpp_root_pe()){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n", bottom_depth );
      printf("NOTE from make_topog ==> min_depth is: %f\n", min_depth );
      printf("NOTE from make_topog ==> gauss_amp is: %f\n", gauss_amp );
      printf("NOTE from make_topog ==> gauss_scale is: %f\n", gauss_scale );
      printf("NOTE from make_topog ==> slope_x is: %f\n", slope_x );
      printf("NOTE from make_topog ==> slope_y is: %f\n", slope_y );      
    }
  }
  else if(strcmp(topog_type,"bowl") == 0) {
    if(mpp_pe() == mpp_root_pe()){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
      printf("NOTE from make_topog ==> bowl_south is: %f\n",bowl_south);
      printf("NOTE from make_topog ==> bowl_north is: %f\n",bowl_north);
      printf("NOTE from make_topog ==> bowl_west is: %f\n",bowl_west);
      printf("NOTE from make_topog ==> bowl_east is: %f\n",bowl_east);
    }
  }
  else if(strcmp(topog_type,"idealized") == 0) {
    if(mpp_pe() == mpp_root_pe()){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
    }
  }
  else if(strcmp(topog_type,"realistic") == 0) {
    if(!topog_file || !topog_field)
      mpp_error("Error from make_topog: when topog_type is realistic, topog_file and topog_field must be specified.");
    if(mpp_pe() == mpp_root_pe()){
      printf("NOTE from make_topog ==> bottom_depth is: %f\n",bottom_depth);
      printf("NOTE from make_topog ==> min_depth is: %f\n",min_depth);
      printf("NOTE from make_topog ==> topog_file is: %s\n", topog_file);
      printf("NOTE from make_topog ==> topog_field is: %s\n", topog_field);
      printf("NOTE from make_topog ==> scale_factor is: %f\n", scale_factor);
      printf("NOTE from make_topog ==> num_filter_pass is: %d\n", num_filter_pass);
      if(fill_first_row) printf("NOTE from make_topog ==>make first row of ocean model all land points.\n");
      if(filter_topog) printf("NOTE from make_topog ==>will apply filter to topography.\n");
      if(round_shallow) printf("NOTE from make_topog ==>Make cells land if depth is less than 1/2 "
			       "mimumim depth, otherwise make ocean.\n");
      if(fill_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth land.\n");
      if(deepen_shallow) printf("NOTE from make_topog ==>Make cells less than minimum depth equal to minimum depth.\n");
      if(smooth_topo_allow_deepening) printf("NOTE from make_topog ==>allow filter to deepen cells.\n");
    }
  }
  else {
    mpp_error("make_topog: topog_type should be rectangular_basin, gaussian, bowl, idealized or realistic");
  }
  
  if(mpp_pe() == mpp_root_pe()) {
    printf("**************************************************\n");
    printf("Begin to generate topography \n");
  }

  {
    int m_fid, g_fid, vid;
    int ntiles, fid, dim_ntiles, n, dims[2];
    size_t start[4], nread[4], nwrite[4];
    int *nx, *ny, *nxp, *nyp;
    int *id_depth;
    double *depth, *x, *y;
    int  *t_fid;
    int  dim_nchild, dim_string, id_mosaic, id_childfile;
    char **tile_files, **topog_files;
    char history[512];
    char gridfile[256], griddir[256];
    
    /* history will be write out as global attribute
       in output file to specify the command line arguments
    */

    strcpy(history,argv[0]);

    for(i=1;i<argc;i++) {
      strcat(history, " ");
      strcat(history, argv[i]);
    }

    /* grid should be located in the same directory of mosaic file */
    get_file_path(mosaic_file, griddir);
    
    /* get mosaic dimension */
    m_fid = mpp_open(mosaic_file, MPP_READ);
    ntiles = mpp_get_dimlen( m_fid, "ntiles");
    tile_files  = (char **)malloc(ntiles*sizeof(char *));
    topog_files = (char **)malloc(ntiles*sizeof(char *));
    t_fid       = (int *)  malloc(ntiles*sizeof(int ));
    id_depth = (int *)malloc(ntiles*sizeof(int));
    /* loop through each tile to get tile information and set up meta data for output file */
    sprintf(output_file, "%s.nc", topog_mosaic);
    fid = mpp_open(output_file, MPP_WRITE);
    mpp_def_global_att(fid, GRID_VERSION_NAME, grid_version);
    mpp_def_global_att(fid, CODE_VERSION_NAME, tagname);
    mpp_def_global_att(fid, HISTORY_NAME, history);
    dim_nchild = mpp_def_dim(fid, NTILES_NAME, ntiles);
    dim_string = mpp_def_dim(fid, STRING_NAME, STRING);
    id_mosaic = mpp_def_var(fid, MOSAIC_FILES_NAME, MPP_CHAR, 1, &dim_string, 1, "standard_name", "grid_mosaic_files");
    dims[0] = dim_nchild; dims[1] = dim_string;
    id_childfile = mpp_def_var(fid, TILE_FILES_NAME, MPP_CHAR, 2, dims, 0);
    mpp_end_def(fid);
    
    nx = (int *)malloc(ntiles*sizeof(int));
    ny = (int *)malloc(ntiles*sizeof(int));
    nxp = (int *)malloc(ntiles*sizeof(int));
    nyp = (int *)malloc(ntiles*sizeof(int));
    
    for( n = 0; n < ntiles; n++ ) {
      char tile_name[128];
      tile_files[n] = (char *)malloc(STRING*sizeof(double));
      topog_files[n] = (char *)malloc(STRING*sizeof(double));
      start[0] = n;
      start[1] = 0;
      nread[0] = 1;
      nread[1] = STRING;
      vid = mpp_get_varid(m_fid, TILE_FILES_NAME);
      mpp_get_var_value_block(m_fid, vid, start, nread, gridfile);
      sprintf(tile_files[n], "%s/%s", griddir, gridfile);
      
      g_fid = mpp_open(tile_files[n], MPP_READ);
      vid = mpp_get_varid(g_fid, "tile");
      mpp_get_var_value(g_fid, vid, tile_name);
      sprintf(topog_files[n],"%s.%s.nc", topog_mosaic, tile_name);
      nx[n] = mpp_get_dimlen(g_fid, "nx");
      ny[n] = mpp_get_dimlen(g_fid, "ny");
      if( nx[n]%x_refine != 0 ) mpp_error("make_topog: supergrid x-size can not be divided by x_refine");
      if( ny[n]%y_refine != 0 ) mpp_error("make_topog: supergrid y-size can not be divided by y_refine");
      nx[n] /= x_refine;
      ny[n] /= y_refine;
      nxp[n] = nx[n] + 1;
      nyp[n] = ny[n] + 1;

      t_fid[n] = mpp_open(topog_files[n], MPP_WRITE);
      mpp_def_global_att(t_fid[n], GRID_VERSION_NAME, grid_version);
      mpp_def_global_att(t_fid[n], CODE_VERSION_NAME, tagname);
      mpp_def_global_att(t_fid[n], HISTORY_NAME, history);      
      dims[1] = mpp_def_dim(t_fid[n], NX_NAME, nx[n]); 
      dims[0] = mpp_def_dim(t_fid[n], NY_NAME, ny[n]);
      id_depth[n] = mpp_def_var(t_fid[n], DEPTH_NAME, NC_DOUBLE, 2, dims,  2, "standard_name",
				"topographic depth at T-cell centers", "units", "meters");
      mpp_close(g_fid);
      mpp_end_def(t_fid[n]);
    }
    mpp_close(m_fid);

    /* Generate topography and write out to the output_file */
    for(n=0; n<ntiles; n++) {
      int layout[2], isc, iec, jsc, jec, nxc, nyc, ni, i, j;
      double *gdata, *tmp;
      domain2D domain;
      
      /* define the domain, each tile will be run on all the processors. */
      mpp_define_layout( nx[n], ny[n], mpp_npes(), layout);
      mpp_define_domain2d( nx[n], ny[n], layout, 0, 0, &domain);
      mpp_get_compute_domain2d( domain, &isc, &iec, &jsc, &jec);
      nxc = iec - isc + 1;
      nyc = jec - jsc + 1;
      
      depth = (double *)malloc(nxc*nyc*sizeof(double));
      x     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
      y     = (double *)malloc((nxc+1)*(nyc+1)*sizeof(double));
      tmp   = (double *)malloc((nxc*x_refine+1)*(nyc*y_refine+1)*sizeof(double));
      start[0] = jsc*y_refine; start[1] = isc*x_refine;
      nread[0] = nyc*y_refine+1; nread[1] = nxc*x_refine+1;
      ni       = nxc*x_refine+1;
      g_fid = mpp_open(tile_files[n], MPP_READ);
      vid = mpp_get_varid(g_fid, "x");
      mpp_get_var_value_block(g_fid, vid, start, nread, tmp);
      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
	x[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
      vid = mpp_get_varid(g_fid, "y");
      mpp_get_var_value_block( g_fid, vid, start, nread, tmp);
      mpp_close(g_fid);
      for(j = 0; j < nyc+1; j++) for(i = 0; i < nxc+1; i++)
	y[j*(nxc+1)+i] = tmp[(j*y_refine)*ni+i*x_refine];
      if (strcmp(topog_type,"rectangular_basin") == 0)
	create_rectangular_topog(nx[n], ny[n], basin_depth, depth);
      else if (strcmp(topog_type,"gaussian") == 0)
	create_gaussian_topog(nx[n], ny[n], x, y, bottom_depth, min_depth,
			      gauss_amp, gauss_scale, slope_x, slope_y, depth);
      else if (strcmp(topog_type,"bowl") == 0)
	create_bowl_topog(nx[n], ny[n], x, y, bottom_depth, min_depth, bowl_east,
			  bowl_south, bowl_west, bowl_north, depth);
      else if (strcmp(topog_type,"idealized") == 0)
	create_idealized_topog( nx[n], ny[n], x, y, bottom_depth, min_depth, depth);
      else if (strcmp(topog_type,"realistic") == 0)
	create_realistic_topog(nxc, nyc, x, y, topog_file, topog_field, scale_factor,
			       fill_first_row, filter_topog, num_filter_pass,
			       smooth_topo_allow_deepening, round_shallow, fill_shallow,
			       deepen_shallow, min_depth, depth );
      gdata = (double *)malloc(nx[n]*ny[n]*sizeof(double));
      mpp_global_field_double(domain, nxc, nyc, depth, gdata);
      mpp_put_var_value(t_fid[n], id_depth[n], gdata);
      free(x);
      free(y);
      free(tmp);
      free(depth);
      free(gdata);
      mpp_delete_domain2d(&domain);
      mpp_close(t_fid[n]);
    }

    for(i=0; i<4; i++) {
      start[i] = 0; nwrite[i] = 1;
    }
    nwrite[0] = strlen(mosaic_file);
    mpp_put_var_value_block(fid, id_mosaic, start, nwrite, mosaic_file);
    nwrite[0] = 1;
    for(n=0; n<ntiles; n++) {
      start[0]=n;
      nwrite[1]=strlen(topog_files[n]);
      mpp_put_var_value_block(fid, id_childfile, start, nwrite, topog_files[n]);
    }
    mpp_close(fid);
  
    /*release memory */
    free(id_depth);
    for(n=0; n<ntiles; n++) {
      free(tile_files[n]);
      free(topog_files[n]);
    }
    free(tile_files);
    free(topog_files);
    free(t_fid);
    free(nx);
    free(ny);
    free(nxp);
    free(nyp);
  }
    
  if(mpp_pe() == mpp_root_pe() ) printf("Successfully generate %s\n",output_file);

  mpp_end();

  return 0;
}; //main
Example #7
0
int main(int argc, char *argv[])
{
	char			*devpath = NULL;
	struct astribank_device *astribank;
	struct eeprom_table	eeprom_table;
	struct capabilities	caps;
	struct capkey		key;
	const char		options[] = "vd:D:wf:";
	int			do_write = 0;
	FILE			*file;
	char			*filename = NULL;
	int			ret;

	progname = argv[0];
	while (1) {
		int	c;

		c = getopt (argc, argv, options);
		if (c == -1)
			break;

		switch (c) {
			case 'D':
				devpath = optarg;
				break;
			case 'v':
				verbose++;
				break;
			case 'd':
				debug_mask = strtoul(optarg, NULL, 0);
				break;
			case 'w':
				do_write = 1;
				break;
			case 'f':
				filename = optarg;
				break;
			case 'h':
			default:
				ERR("Unknown option '%c'\n", c);
				usage();
		}
	}
	if(!devpath) {
		ERR("Missing device path\n");
		usage();
	}
	DBG("Startup %s\n", devpath);
	if((astribank = mpp_init(devpath)) == NULL) {
		ERR("Failed initializing MPP\n");
		return 1;
	}
	if(astribank->eeprom_type != EEPROM_TYPE_LARGE) {
		ERR("Cannot use this program with astribank EEPROM type %d (need %d)\n",
			astribank->eeprom_type, EEPROM_TYPE_LARGE);
		return 1;
	}
	ret = mpp_caps_get(astribank, &eeprom_table, &caps, &key);
	if(ret < 0) {
		ERR("Failed to get original capabilities: %d\n", ret);
		return 1;
	}
	if (do_write) {
		/* update capabilities based on input file */
		file = stdin;
		if (filename) {
			file = fopen(filename, "r");
			if (file == NULL) {
				ERR("Can't open file '%s'\n", filename);
				return 1;
			}
		}
		ret = read_from_file(&eeprom_table, &caps, &key, file);
		if (ret < 0) {
			ERR("Failed to read capabilities from file: %d\n", ret);
			return 1;
		}
		show_capabilities(&caps, stderr);
		if (capabilities_burn(astribank, &eeprom_table, &caps, &key) < 0)
			return 1;
		if (file != stdin)
			fclose(file);
	} else {
		/* print capabilities to stdout */
		file = stdout;
		if (filename) {
			file = fopen(filename, "w");
			if (file == NULL) {
				ERR("Can't create file '%s'\n", filename);
				return 1;
			}
		}
		ret = write_to_file(&eeprom_table, &caps, &key, file);
		if (ret < 0) {
			ERR("Failed to write capabilities to file: %d\n", ret);
			return 1;
		}
		if (file != stdout)
			fclose(file);
	}
	mpp_exit(astribank);
	return 0;
}
Example #8
0
int main(int argc, char* argv[])
{
  int  nratio = 1;
  int  ndivx[] = {1,1,1,1,1,1};
  int  ndivy[] = {1,1,1,1,1,1};
  char method[32] = "conformal";
  char orientation[32] = "center_pole";
  int  nxbnds=2, nybnds=2, nxbnds0=0, nybnds0=0, nxbnds1=0, nybnds1=0, nxbnds2=0, nybnds2=0;
  double xbnds[MAXBOUNDS], ybnds[MAXBOUNDS];
  int nlon[MAXBOUNDS-1], nlat[MAXBOUNDS-1];
  char grid_type[128]="regular_lonlat_grid";
  char my_grid_file[MAXBOUNDS][STRINGLEN];
  double lat_join=65.;
  double simple_dx=0, simple_dy=0;
  int nx, ny, nxp, nyp, ntiles=1, ntilex=0, ntiley=0, ntiles_file;
  double *x=NULL, *y=NULL, *dx=NULL, *dy=NULL, *angle_dx=NULL, *angle_dy=NULL, *area=NULL;
  
  char history[2560];
  char gridname[32] = "horizontal_grid";
  char center[32] = "none";
  char geometry[32] = "spherical";
  char projection[32] = "none";
  char arcx[32] = "small_circle";
  char north_pole_tile[32] = "0.0 90.0";
  char north_pole_arcx[32] = "0.0 90.0";
  char discretization[32]  = "logically_rectangular";
  char conformal[32]       = "true";
  char mesg[256], str[128];
  char entry[MAXBOUNDS*STRINGLEN];
  int isc, iec, jsc, jec, nxc, nyc, layout[2];
  domain2D domain;
  int n, errflg, c, i;  
  int option_index;

  static struct option long_options[] = {
    {"grid_type",       required_argument, NULL, 'a'},
    {"my_grid_file",    required_argument, NULL, 'b'},
    {"nxbnds",          required_argument, NULL, 'c'},
    {"nybnds",          required_argument, NULL, 'd'},
    {"xbnds",           required_argument, NULL, 'e'},
    {"ybnds",           required_argument, NULL, 'f'},
    {"nlon",            required_argument, NULL, 'g'},
    {"nlat",            required_argument, NULL, 'i'},
    {"lat_join",        required_argument, NULL, 'j'},
    {"nratio",          required_argument, NULL, 'k'},
    {"simple_dx",       required_argument, NULL, 'l'},
    {"simple_dy",       required_argument, NULL, 'm'},
    {"ndivx",           required_argument, NULL, 'o'},
    {"ndivy",           required_argument, NULL, 'p'},
    {"grid_name",       required_argument, NULL, 'q'},
    {"center",          required_argument, NULL, 'r'},
    {"help",            no_argument,       NULL, 'h'},    
    {0, 0, 0, 0},
  };

  /* start parallel */
  mpp_init(&argc, &argv);
  mpp_domain_init();  

  /*
   * process command line
   */
  errflg = argc <3;

  while ((c = getopt_long(argc, argv, "", long_options, &option_index)) != -1) {
    switch (c) {
    case 'a':
      strcpy(grid_type, optarg);
      break;
    case 'b':
      strcpy(entry, optarg);
      tokenize(entry, ",", STRINGLEN, MAXBOUNDS, my_grid_file, &ntiles_file);
      break;
    case 'c':
      nxbnds0 = atoi(optarg);
      break;
    case 'd':
      nybnds0 = atoi(optarg);
      break;        
    case 'e':
      strcpy(entry, optarg);
      nxbnds1 = get_double_entry(entry, xbnds);
      break;
    case 'f':
      strcpy(entry, optarg);
      nybnds1 = get_double_entry(entry, ybnds);
      break;
    case 'g':
      strcpy(entry, optarg);
      nxbnds2 = get_int_entry(entry, nlon);
      break;
    case 'i':
      strcpy(entry, optarg);
      nybnds2 = get_int_entry(entry, nlat);
      break;
    case 'j':
      lat_join = atof(optarg);
      break; 
    case 'k':
      nratio = atoi(optarg);
      break;      
    case 'l':
      simple_dx = atof(optarg);
      break;
    case 'm':
      simple_dy = atof(optarg);
      break;
    case 'o':
      strcpy(entry, optarg);
      ntilex = get_int_entry(entry, ndivx);
      break;
    case 'p':
      strcpy(entry, optarg);
      ntiley = get_int_entry(entry, ndivy);
      break;      
    case 'q':
      strcpy(gridname, optarg);
      break;
    case 'r':
      strcpy(center, optarg);
      break;
    case 'h':
      errflg++;
      break;
    case '?':
      errflg++;      
    }      
  }
  
  if (errflg ) {
    char **u = usage;
    while (*u) { fprintf(stderr, "%s\n", *u); u++; }
    exit(2);
  }  

  /* define history to be the history in the grid file */
  strcpy(history,argv[0]);

  for(i=1;i<argc;i++) {
    strcat(history, " ");
    strcat(history, argv[i]);
  }

  if(mpp_pe() == mpp_root_pe() ) printf("==>NOTE: the grid type is %s\n",grid_type);


  /* check the command-line arguments to make sure the value are suitable */

  if( strcmp(grid_type,"regular_lonlat_grid") ==0 ) {
    nxbnds = nxbnds0; nybnds = nybnds0;
    if( nxbnds <2 || nybnds < 2) mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', "
					   "both nxbnds and nybnds should be no less than 2");
    if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
      mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nxbnds does"
		"not match number of entry in xbnds or nlon");
    if( nybnds != nybnds1 || nybnds != nybnds2+1 )
      mpp_error("make_hgrid: grid type is 'regular_lonlat_grid', nybnds does "
		"not match number of entry in ybnds or nlat");
  }
  else if( strcmp(grid_type,"tripolar_grid") ==0 ) {
    strcpy(projection, "tripolar");
    nxbnds = nxbnds0; nybnds = nybnds0;
    if( nxbnds != 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds should be 2");
    if( nybnds < 2) mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds should be no less than 2");
    if( nxbnds != nxbnds1 || nxbnds != nxbnds2+1 )
      mpp_error("make_hgrid: grid type is 'tripolar_grid', nxbnds does not match number of entry in xbnds or nlon");
    if( nybnds != nybnds1 || nybnds != nybnds2+1 )
      mpp_error("make_hgrid: grid type is 'tripolar_grid', nybnds does not match number of entry in ybnds or nlat");
  }
  else if( strcmp(grid_type,"from_file") ==0 ) {
    /* For ascii file, nlon and nlat should be specified through --nlon, --nlat
       For netcdf file, grid resolution will be read from grid file
    */
    
    if(ntiles_file == 0) mpp_error("make_hgrid: grid_type is 'from_file', but my_grid_file is not specified");
    ntiles = ntiles_file;
    for(n=0; n<ntiles; n++) {
      if(strstr(my_grid_file[n],".nc") ) {
	/* get the grid size for each tile, the grid is on model grid, should need to multiply by 2 */
	int fid;
	fid = mpp_open(my_grid_file[n], MPP_READ);
	nlon[n] = mpp_get_dimlen(fid, "grid_xt")*2;
	nlat[n] = mpp_get_dimlen(fid, "grid_yt")*2;
	mpp_close(fid);
      }
      else {
	if(nxbnds2 != ntiles || nybnds2 != ntiles ) mpp_error("make_hgrid: grid type is 'from_file', number entry entered "
						"through --nlon and --nlat should be equal to number of files "
							  "specified through --my_grid_file");
      }
    }
    	/* for simplify purpose, currently we assume all the tile have the same grid size */
    for(n=1; n<ntiles; n++) {
      if( nlon[n] != nlon[0] || nlat[n] != nlat[0])  mpp_error("make_hgrid: grid_type is from_file, all the tiles should "
							       "have same grid size, contact developer");
    }
  }
  else if( strcmp(grid_type,"simple_cartesian_grid") ==0) {
    strcpy(geometry, "planar");
    strcpy(north_pole_tile, "none");
    if(nxbnds1 != 2 || nybnds1 != 2 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
						"through --xbnds and --ybnds should be 2");
    if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'simple_cartesian_grid', number entry entered "
						"through --nlon and --nlat should be 1");
    if(simple_dx == 0 || simple_dy == 0) mpp_error("make_hgrid: grid_type is 'simple_cartesian_grid', "
						   "both simple_dx and simple_dy both should be specified");
  }
  else if ( strcmp(grid_type,"spectral_grid") ==0 ) {
    if(nxbnds2 != 1 || nybnds2 != 1 ) mpp_error("make_hgrid: grid type is 'spectral_grid', number entry entered "
						"through --nlon and --nlat should be 1");    
  }
  else if( strcmp(grid_type,"conformal_cubic_grid") ==0 ) {
    strcpy(projection, "cube_gnomonic");
    strcpy(conformal, "FALSE");
    if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', number entry entered "
				"through --nlon should be 1");
    if(nratio < 1) mpp_error("make_hgrid: grid type is 'conformal_cubic_grid', nratio should be a positive integer");
  }
  else if(  !strcmp(grid_type,"gnomonic_ed") ) {
    strcpy(projection, "cube_gnomonic");
    strcpy(conformal, "FALSE");
    if(nxbnds2 != 1 ) mpp_error("make_hgrid: grid type is 'gnomonic_cubic_grid', number entry entered "
				"through --nlon should be 1");
  }
  else {
    mpp_error("make_hgrid: only grid_type = 'regular_lonlat_grid', 'tripolar_grid', 'from_file', "
	      "'gnomonic_ed', 'conformal_cubic_grid', 'simple_cartesian_grid' and "
	      "'spectral_grid' is implemented");  
  }
  
  /* get super grid size */

  if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
    nx = nlon[0];
    ny = nx;
  }
  else {
    nx = 0;
    ny = 0;
    for(n=0; n<nxbnds-1; n++) nx += nlon[n];
    for(n=0; n<nybnds-1; n++) ny += nlat[n];  
  }
  nxp = nx + 1;
  nyp = ny + 1;

  if( !strcmp(grid_type,"gnomonic_ed") || !strcmp(grid_type,"conformal_cubic_grid") ) {
    ntiles = 6;
    /* Cubic grid is required to run on single processor.*/
    if(mpp_npes() > 1) mpp_error( "make_hgrid: cubic grid generation must be run one processor, contact developer");
  }
  /* Currently we restrict nx can be divided by ndivx and ny can be divided by ndivy */
  if(ntilex >0 && ntilex != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivx does not equal ntiles");
  if(ntiley >0 && ntiley != ntiles) mpp_error("make_hgrid: number of entry specified through --ndivy does not equal ntiles");   
  for(n=0; n<ntiles; n++) {
    if( nx%ndivx[n] ) mpp_error("make_hgrid: nx can not be divided by ndivx");
    if( ny%ndivy[n] ) mpp_error("make_hgrid: ny can not be divided by ndivy");
  }

  if(strcmp(center,"none") && strcmp(center,"c_cell") && strcmp(center,"t_cell") )
    mpp_error("make_hgrid: center should be 'none', 'c_cell' or 't_cell' ");
  
  /* set up domain decomposition, x and y will be on global domain and
     other fields will be on compute domain. 
  */

  mpp_define_layout( nx, ny, mpp_npes(), layout);
  mpp_define_domain2d( nx, ny, layout, 0, 0, &domain);
  mpp_get_compute_domain2d(domain, &isc, &iec, &jsc, &jec);
  nxc = iec - isc + 1;
  nyc = jec - jsc + 1;

  /* create grid information */
  x        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
  y        = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
  dx       = (double *) malloc(nxc*(nyc+1)*ntiles*sizeof(double));
  dy       = (double *) malloc((nxc+1)*nyc*ntiles*sizeof(double));
  area     = (double *) malloc(nxc    *nyc*ntiles*sizeof(double));
  angle_dx = (double *) malloc((nxc+1)*(nyc+1)*ntiles*sizeof(double));
  if( strcmp(conformal,"true") !=0 )angle_dy = (double *) malloc(nxp*nyp*ntiles*sizeof(double));
  
  if(strcmp(grid_type,"regular_lonlat_grid") ==0) 
    create_regular_lonlat_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &isc, &iec, &jsc, &jec,
			       x, y, dx, dy, area, angle_dx, center);
  else if(strcmp(grid_type,"tripolar_grid") ==0) 
    create_tripolar_grid(&nxbnds, &nybnds, xbnds, ybnds, nlon, nlat, &lat_join, &isc, &iec, &jsc, &jec,
			 x, y, dx, dy, area, angle_dx, center);
  else if( strcmp(grid_type,"from_file") ==0 ) {
    for(n=0; n<ntiles; n++) {
      int n1, n2, n3, n4;
      n1 = n * nxp * nyp;
      n2 = n * nx  * nyp;
      n3 = n * nxp * ny;
      n4 = n * nx  * ny;
      create_grid_from_file(my_grid_file[n], &nx, &ny, x+n1, y+n1, dx+n2, dy+n3, area+n4, angle_dx+n1);
    }
  }
  else if(strcmp(grid_type,"simple_cartesian_grid") ==0) 
    create_simple_cartesian_grid(xbnds, ybnds, &nx, &ny, &simple_dx, &simple_dy, &isc, &iec, &jsc, &jec,
				 x, y, dx, dy, area, angle_dx );
  else if(strcmp(grid_type,"spectral_grid") ==0 )
    create_spectral_grid(&nx, &ny, &isc, &iec, &jsc, &jec, x, y, dx, dy, area, angle_dx );
  else if(strcmp(grid_type,"conformal_cubic_grid") ==0 ) 
    create_conformal_cubic_grid(&nx, &nratio, method, orientation, x, y, dx, dy, area, angle_dx, angle_dy );
  else if(strcmp(grid_type,"gnomonic_ed") ==0 ) 
    create_gnomonic_cubic_grid(grid_type, &nx, x, y, dx, dy, area, angle_dx, angle_dy );
  
  /* write out data */
  {
    int fid, id_tile, id_x, id_y, id_dx, id_dy, id_area, id_angle_dx, id_angle_dy, id_arcx;
    int dimlist[5], dims[2], i, j, l, ni, nj, nip, njp, m;
    size_t start[4], nwrite[4];
    double *tmp, *gdata;
    char tilename[128] = "";
    char outfile[128] = "";
    
    l = 0;
    for(n=0 ; n< ntiles; n++) {
      for(j=0; j<ndivy[n]; j++) {
	for(i=0; i<ndivx[n]; i++) {
	  ++l;
	  sprintf(tilename, "tile%d", l);
	  if(ntiles>1)
	    sprintf(outfile, "%s.tile%d.nc", gridname, l);
	  else
	    sprintf(outfile, "%s.nc", gridname);
	  fid = mpp_open(outfile, MPP_WRITE);
	  /* define dimenison */
	  ni = nx/ndivx[n];
	  nj = ny/ndivy[n];
	  nip = ni + 1;
	  njp = nj + 1;
	  dimlist[0] = mpp_def_dim(fid, "string", STRINGLEN);
	  dimlist[1] = mpp_def_dim(fid, "nx", ni);
	  dimlist[2] = mpp_def_dim(fid, "ny", nj);
	  dimlist[3] = mpp_def_dim(fid, "nxp", nip);
	  dimlist[4] = mpp_def_dim(fid, "nyp", njp);
	  /* define variable */
	  if( strcmp(north_pole_tile, "none") == 0) /* no north pole, then no projection */
	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 4, "standard_name", "grid_tile_spec",
				  "geometry", geometry, "discretization", discretization, "conformal", conformal );
	  else if( strcmp(projection, "none") == 0) 
	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 5, "standard_name", "grid_tile_spec",
				  "geometry", geometry, "north_pole", north_pole_tile, "discretization",
				  discretization, "conformal", conformal );
	  else
	    id_tile = mpp_def_var(fid, "tile", MPP_CHAR, 1, dimlist, 6, "standard_name", "grid_tile_spec",
				  "geometry", geometry, "north_pole", north_pole_tile, "projection", projection,
				  "discretization", discretization, "conformal", conformal );
	  dims[0] = dimlist[4]; dims[1] = dimlist[3];
	  id_x = mpp_def_var(fid, "x", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_longitude",
			     "units", "degree_east");
	  id_y = mpp_def_var(fid, "y", MPP_DOUBLE, 2, dims, 2, "standard_name", "geographic_latitude",
			     "units", "degree_north");
	  dims[0] = dimlist[4]; dims[1] = dimlist[1];
	  id_dx = mpp_def_var(fid, "dx", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_x_distance",
			      "units", "meters");
	  dims[0] = dimlist[2]; dims[1] = dimlist[3];
	  id_dy = mpp_def_var(fid, "dy", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_edge_y_distance",
			      "units", "meters");
	  dims[0] = dimlist[2]; dims[1] = dimlist[1];
	  id_area = mpp_def_var(fid, "area", MPP_DOUBLE, 2, dims, 2, "standard_name", "grid_cell_area",
				"units", "m2" );
	  dims[0] = dimlist[4]; dims[1] = dimlist[3];
	  id_angle_dx = mpp_def_var(fid, "angle_dx", MPP_DOUBLE, 2, dims, 2, "standard_name",
				    "grid_vertex_x_angle_WRT_geographic_east", "units", "degrees_east");
	  if(strcmp(conformal, "true") != 0)
	    id_angle_dy = mpp_def_var(fid, "angle_dy", MPP_DOUBLE, 2, dims, 2, "standard_name",
				      "grid_vertex_y_angle_WRT_geographic_north", "units", "degrees_north");
	  if( strcmp(north_pole_arcx, "none") == 0)
	    id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 1, "standard_name", "grid_edge_x_arc_type" );
	  else
	    id_arcx = mpp_def_var(fid, "arcx", MPP_CHAR, 1, dimlist, 2, "standard_name", "grid_edge_x_arc_type",
				  "north_pole", north_pole_arcx );
	  mpp_def_global_att(fid, "grid_version", grid_version);
	  mpp_def_global_att(fid, "code_version", tagname);
	  mpp_def_global_att(fid, "history", history);
      
	  mpp_end_def(fid);
	  for(m=0; m<4; m++) { start[m] = 0; nwrite[m] = 0; }
	  nwrite[0] = strlen(tilename);
	  mpp_put_var_value_block(fid, id_tile, start, nwrite, tilename );

          tmp = get_subregion(nxp, x+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
	  mpp_put_var_value(fid, id_x, tmp);
	  free(tmp);
          tmp = get_subregion(nxp, y+n*nxp*nyp, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
	  mpp_put_var_value(fid, id_y, tmp);
	  free(tmp);
	  gdata = (double *)malloc(nx*nyp*sizeof(double));
	  mpp_global_field_double(domain, nxc, nyc+1, dx+n*nx*nyp, gdata);
	  tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj);
	  mpp_put_var_value(fid, id_dx, tmp);
	  free(tmp);
	  free(gdata);
	  gdata = (double *)malloc(nxp*ny*sizeof(double));
	  mpp_global_field_double(domain, nxc+1, nyc, dy+n*nxp*ny, gdata);
	  tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj-1);
	  mpp_put_var_value(fid, id_dy, tmp);
	  free(tmp);
	  free(gdata);	  
	  gdata = (double *)malloc(nx*ny*sizeof(double));
	  mpp_global_field_double(domain, nxc, nyc, area+n*nx*ny, gdata);
	  tmp = get_subregion( nx, gdata, i*ni, (i+1)*ni-1, j*nj, (j+1)*nj-1);
	  mpp_put_var_value(fid, id_area, tmp);
	  free(tmp);
	  free(gdata);
	  gdata = (double *)malloc(nxp*nyp*sizeof(double));
	  mpp_global_field_double(domain, nxc+1, nyc+1, angle_dx+n*nxp*nyp, gdata);
	  tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
	  mpp_put_var_value(fid, id_angle_dx, tmp);
	  free(tmp);
	  free(gdata);
	  
	  if(strcmp(conformal, "true") != 0) {
	    gdata = (double *)malloc(nxp*nyp*sizeof(double));
	    mpp_global_field_double(domain, nxc+1, nyc+1, angle_dy+n*nxp*nyp, gdata);
	    tmp = get_subregion( nxp, gdata, i*ni, (i+1)*ni, j*nj, (j+1)*nj);
	    mpp_put_var_value(fid, id_angle_dy, tmp);
	    free(tmp);
	    free(gdata);
	  }
	  nwrite[0] = strlen(arcx);
	  mpp_put_var_value_block(fid, id_arcx, start, nwrite, arcx );
	  mpp_close(fid);
	}
      }
    }
  }

  free(x);
  free(y);
  free(dx);
  free(dy);
  free(area);
  free(angle_dx);
  if(strcmp(conformal, "true") != 0) free(angle_dy);
  if(mpp_pe() == mpp_root_pe()) printf("generate_grid is run successfully. \n");

  mpp_end();

  return 0;
  
};  /* end of main */