Esempio n. 1
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
Esempio n. 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
Esempio n. 3
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 */