| 1 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 2 | ! |
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| 3 | ! This file converts a POP grid.dat file to a remapping grid file |
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| 4 | ! in netCDF format. |
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| 5 | ! |
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| 6 | !----------------------------------------------------------------------- |
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| 7 | ! |
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| 8 | ! CVS:$Id: convert_old.f 5312 2015-05-29 08:48:02Z timgraham $ |
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| 9 | ! |
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| 10 | ! Copyright (c) 1997, 1998 the Regents of the University of |
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| 11 | ! California. |
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| 12 | ! |
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| 13 | ! Unless otherwise indicated, this software has been authored |
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| 14 | ! by an employee or employees of the University of California, |
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| 15 | ! operator of the Los Alamos National Laboratory under Contract |
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| 16 | ! No. W-7405-ENG-36 with the U.S. Department of Energy. The U.S. |
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| 17 | ! Government has rights to use, reproduce, and distribute this |
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| 18 | ! software. The public may copy and use this software without |
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| 19 | ! charge, provided that this Notice and any statement of authorship |
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| 20 | ! are reproduced on all copies. Neither the Government nor the |
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| 21 | ! University makes any warranty, express or implied, or assumes |
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| 22 | ! any liability or responsibility for the use of this software. |
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| 23 | ! |
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| 24 | !*********************************************************************** |
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| 25 | |
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| 26 | program convertPOPT |
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| 27 | |
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| 28 | !----------------------------------------------------------------------- |
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| 29 | ! |
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| 30 | ! This file converts a POP grid.dat file to a remapping grid file. |
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| 31 | ! |
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| 32 | !----------------------------------------------------------------------- |
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| 33 | |
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| 34 | use kinds_mod |
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| 35 | use constants |
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| 36 | use iounits |
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| 37 | use netcdf_mod |
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| 38 | |
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| 39 | implicit none |
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| 40 | |
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| 41 | !----------------------------------------------------------------------- |
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| 42 | ! |
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| 43 | ! variables that describe the grid |
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| 44 | ! |
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| 45 | !----------------------------------------------------------------------- |
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| 46 | |
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| 47 | integer (kind=int_kind) :: |
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| 48 | & grid_size, grid_rank, grid_corners |
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| 49 | |
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| 50 | integer (kind=int_kind), dimension(2) :: |
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| 51 | & grid_dims ! size of each dimension |
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| 52 | |
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| 53 | character(char_len) :: |
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| 54 | & grid_name |
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| 55 | |
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| 56 | character(char_len), parameter :: |
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| 57 | & grid_file_in = 'remap_grid_WWice.dat', |
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| 58 | & grid_file_out = 'remap_grid_WWice.nc' |
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| 59 | |
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| 60 | !----------------------------------------------------------------------- |
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| 61 | ! |
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| 62 | ! grid coordinates and masks |
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| 63 | ! |
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| 64 | !----------------------------------------------------------------------- |
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| 65 | |
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| 66 | integer (kind=int_kind), dimension(:), allocatable :: |
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| 67 | & grid_imask |
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| 68 | |
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| 69 | real (kind=dbl_kind), dimension(:), allocatable :: |
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| 70 | & grid_center_lat, ! lat/lon coordinates for |
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| 71 | & grid_center_lon ! each grid center in radians |
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| 72 | |
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| 73 | real (kind=dbl_kind), dimension(:,:), allocatable :: |
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| 74 | & grid_corner_lat, ! lat/lon coordinates for |
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| 75 | & grid_corner_lon ! each grid corner in radians |
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| 76 | |
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| 77 | !----------------------------------------------------------------------- |
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| 78 | ! |
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| 79 | ! other local variables |
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| 80 | ! |
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| 81 | !----------------------------------------------------------------------- |
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| 82 | |
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| 83 | integer (kind=int_kind) :: i, j, n, iunit, ocn_add, im1, jm1 |
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| 84 | |
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| 85 | integer (kind=int_kind) :: |
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| 86 | & ncstat, ! general netCDF status variable |
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| 87 | & nc_grid_id, ! netCDF grid dataset id |
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| 88 | & nc_gridsize_id, ! netCDF grid size dim id |
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| 89 | & nc_gridcorn_id, ! netCDF grid corner dim id |
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| 90 | & nc_gridrank_id, ! netCDF grid rank dim id |
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| 91 | & nc_griddims_id, ! netCDF grid dimensions id |
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| 92 | & nc_grdcntrlat_id, ! netCDF grid center lat id |
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| 93 | & nc_grdcntrlon_id, ! netCDF grid center lon id |
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| 94 | & nc_grdimask_id, ! netCDF grid mask id |
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| 95 | & nc_grdcrnrlat_id, ! netCDF grid corner lat id |
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| 96 | & nc_grdcrnrlon_id ! netCDF grid corner lon id |
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| 97 | |
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| 98 | integer (kind=int_kind), dimension(2) :: |
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| 99 | & nc_dims2_id ! netCDF dim id array for 2-d arrays |
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| 100 | |
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| 101 | real (kind=dbl_kind) :: tmplon |
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| 102 | |
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| 103 | !----------------------------------------------------------------------- |
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| 104 | ! |
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| 105 | ! read in grid info |
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| 106 | ! lat/lon info is on velocity points which correspond |
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| 107 | ! to the NE corner (in logical space) of the grid cell. |
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| 108 | ! |
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| 109 | !----------------------------------------------------------------------- |
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| 110 | |
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| 111 | call get_unit(iunit) |
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| 112 | open(unit=iunit, file=grid_file_in, status='old', |
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| 113 | & form='unformatted') |
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| 114 | |
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| 115 | read(iunit) grid_name |
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| 116 | read(iunit) grid_size, grid_corners, grid_rank, grid_dims |
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| 117 | |
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| 118 | allocate( grid_center_lat(grid_size), |
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| 119 | & grid_center_lon(grid_size), |
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| 120 | & grid_imask (grid_size), |
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| 121 | & grid_corner_lat(grid_corners, grid_size), |
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| 122 | & grid_corner_lon(grid_corners, grid_size) ) |
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| 123 | |
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| 124 | read(iunit) grid_center_lat |
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| 125 | read(iunit) grid_center_lon |
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| 126 | read(iunit) grid_corner_lat |
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| 127 | read(iunit) grid_corner_lon |
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| 128 | read(iunit) grid_imask |
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| 129 | call release_unit(iunit) |
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| 130 | |
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| 131 | !----------------------------------------------------------------------- |
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| 132 | ! |
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| 133 | ! set up attributes for netCDF file |
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| 134 | ! |
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| 135 | !----------------------------------------------------------------------- |
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| 136 | |
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| 137 | !*** |
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| 138 | !*** create netCDF dataset for this grid |
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| 139 | !*** |
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| 140 | |
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| 141 | ncstat = nf_create (grid_file_out, NF_CLOBBER, |
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| 142 | & nc_grid_id) |
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| 143 | call netcdf_error_handler(ncstat) |
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| 144 | |
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| 145 | ncstat = nf_put_att_text (nc_grid_id, NF_GLOBAL, 'title', |
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| 146 | & len_trim(grid_name), grid_name) |
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| 147 | call netcdf_error_handler(ncstat) |
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| 148 | |
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| 149 | !*** |
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| 150 | !*** define grid size dimension |
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| 151 | !*** |
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| 152 | |
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| 153 | ncstat = nf_def_dim (nc_grid_id, 'grid_size', grid_size, |
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| 154 | & nc_gridsize_id) |
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| 155 | call netcdf_error_handler(ncstat) |
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| 156 | |
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| 157 | !*** |
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| 158 | !*** define grid rank dimension |
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| 159 | !*** |
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| 160 | |
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| 161 | ncstat = nf_def_dim (nc_grid_id, 'grid_rank', grid_rank, |
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| 162 | & nc_gridrank_id) |
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| 163 | call netcdf_error_handler(ncstat) |
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| 164 | |
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| 165 | !*** |
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| 166 | !*** define grid corner dimension |
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| 167 | !*** |
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| 168 | |
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| 169 | ncstat = nf_def_dim (nc_grid_id, 'grid_corners', grid_corners, |
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| 170 | & nc_gridcorn_id) |
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| 171 | call netcdf_error_handler(ncstat) |
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| 172 | |
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| 173 | !*** |
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| 174 | !*** define grid dim size array |
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| 175 | !*** |
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| 176 | |
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| 177 | ncstat = nf_def_var (nc_grid_id, 'grid_dims', NF_INT, |
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| 178 | & 1, nc_gridrank_id, nc_griddims_id) |
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| 179 | call netcdf_error_handler(ncstat) |
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| 180 | |
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| 181 | !*** |
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| 182 | !*** define grid center latitude array |
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| 183 | !*** |
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| 184 | |
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| 185 | ncstat = nf_def_var (nc_grid_id, 'grid_center_lat', NF_DOUBLE, |
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| 186 | & 1, nc_gridsize_id, nc_grdcntrlat_id) |
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| 187 | call netcdf_error_handler(ncstat) |
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| 188 | |
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| 189 | ncstat = nf_put_att_text (nc_grid_id, nc_grdcntrlat_id, 'units', |
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| 190 | & 7, 'radians') |
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| 191 | call netcdf_error_handler(ncstat) |
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| 192 | |
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| 193 | !*** |
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| 194 | !*** define grid center longitude array |
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| 195 | !*** |
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| 196 | |
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| 197 | ncstat = nf_def_var (nc_grid_id, 'grid_center_lon', NF_DOUBLE, |
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| 198 | & 1, nc_gridsize_id, nc_grdcntrlon_id) |
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| 199 | call netcdf_error_handler(ncstat) |
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| 200 | |
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| 201 | ncstat = nf_put_att_text (nc_grid_id, nc_grdcntrlon_id, 'units', |
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| 202 | & 7, 'radians') |
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| 203 | call netcdf_error_handler(ncstat) |
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| 204 | |
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| 205 | !*** |
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| 206 | !*** define grid mask |
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| 207 | !*** |
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| 208 | |
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| 209 | ncstat = nf_def_var (nc_grid_id, 'grid_imask', NF_INT, |
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| 210 | & 1, nc_gridsize_id, nc_grdimask_id) |
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| 211 | call netcdf_error_handler(ncstat) |
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| 212 | |
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| 213 | ncstat = nf_put_att_text (nc_grid_id, nc_grdimask_id, 'units', |
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| 214 | & 8, 'unitless') |
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| 215 | call netcdf_error_handler(ncstat) |
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| 216 | |
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| 217 | !*** |
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| 218 | !*** define grid corner latitude array |
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| 219 | !*** |
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| 220 | |
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| 221 | nc_dims2_id(1) = nc_gridcorn_id |
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| 222 | nc_dims2_id(2) = nc_gridsize_id |
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| 223 | |
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| 224 | ncstat = nf_def_var (nc_grid_id, 'grid_corner_lat', NF_DOUBLE, |
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| 225 | & 2, nc_dims2_id, nc_grdcrnrlat_id) |
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| 226 | call netcdf_error_handler(ncstat) |
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| 227 | |
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| 228 | ncstat = nf_put_att_text (nc_grid_id, nc_grdcrnrlat_id, 'units', |
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| 229 | & 7, 'radians') |
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| 230 | call netcdf_error_handler(ncstat) |
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| 231 | |
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| 232 | !*** |
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| 233 | !*** define grid corner longitude array |
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| 234 | !*** |
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| 235 | |
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| 236 | ncstat = nf_def_var (nc_grid_id, 'grid_corner_lon', NF_DOUBLE, |
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| 237 | & 2, nc_dims2_id, nc_grdcrnrlon_id) |
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| 238 | call netcdf_error_handler(ncstat) |
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| 239 | |
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| 240 | ncstat = nf_put_att_text (nc_grid_id, nc_grdcrnrlon_id, 'units', |
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| 241 | & 7, 'radians') |
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| 242 | call netcdf_error_handler(ncstat) |
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| 243 | |
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| 244 | !*** |
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| 245 | !*** end definition stage |
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| 246 | !*** |
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| 247 | |
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| 248 | ncstat = nf_enddef(nc_grid_id) |
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| 249 | call netcdf_error_handler(ncstat) |
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| 250 | |
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| 251 | !----------------------------------------------------------------------- |
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| 252 | ! |
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| 253 | ! write grid data |
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| 254 | ! |
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| 255 | !----------------------------------------------------------------------- |
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| 256 | |
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| 257 | ncstat = nf_put_var_int(nc_grid_id, nc_griddims_id, grid_dims) |
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| 258 | call netcdf_error_handler(ncstat) |
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| 259 | |
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| 260 | ncstat = nf_put_var_double(nc_grid_id, nc_grdcntrlat_id, |
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| 261 | & grid_center_lat) |
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| 262 | ncstat = nf_put_var_int(nc_grid_id, nc_grdimask_id, grid_imask) |
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| 263 | call netcdf_error_handler(ncstat) |
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| 264 | |
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| 265 | ncstat = nf_put_var_double(nc_grid_id, nc_grdcntrlat_id, |
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| 266 | & grid_center_lat) |
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| 267 | call netcdf_error_handler(ncstat) |
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| 268 | |
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| 269 | ncstat = nf_put_var_double(nc_grid_id, nc_grdcntrlon_id, |
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| 270 | & grid_center_lon) |
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| 271 | call netcdf_error_handler(ncstat) |
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| 272 | |
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| 273 | ncstat = nf_put_var_double(nc_grid_id, nc_grdcrnrlat_id, |
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| 274 | & grid_corner_lat) |
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| 275 | call netcdf_error_handler(ncstat) |
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| 276 | |
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| 277 | ncstat = nf_put_var_double(nc_grid_id, nc_grdcrnrlon_id, |
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| 278 | & grid_corner_lon) |
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| 279 | call netcdf_error_handler(ncstat) |
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| 280 | |
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| 281 | ncstat = nf_close(nc_grid_id) |
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| 282 | |
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| 283 | !*********************************************************************** |
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| 284 | |
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| 285 | end program convertPOPT |
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| 286 | |
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| 287 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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