metgrid/src/write_met_module.F

   1 module write_met_module
   2
   3    use module_debug
   4    use misc_definitions_module
   5    use met_data_module
   6
   7    ! State variables?
   8    integer :: output_unit
   9    character (len=MAX_FILENAME_LEN) :: met_out_filename
  10
  11    contains
  12
  13    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  14    ! Name: write_met_init
  15    !
  16    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  17    subroutine write_met_init(fg_source, source_is_constant, datestr, istatus)
  18
  19       implicit none
  20
  21       ! Arguments
  22       integer, intent(out) :: istatus
  23       logical, intent(in) :: source_is_constant
  24       character (len=*), intent(in) :: fg_source
  25       character (len=*), intent(in) :: datestr
  26
  27       ! Local variables
  28       integer :: io_status
  29       logical :: is_used
  30
  31       istatus = 0
  32
  33       !  1) BUILD FILENAME BASED ON TIME
  34       met_out_filename = ' '
  35       if (.not. source_is_constant) then
  36          write(met_out_filename, '(a)') trim(fg_source)//':'//trim(datestr)
  37       else
  38          write(met_out_filename, '(a)') trim(fg_source)
  39       end if
  40
  41       !  2) OPEN FILE
  42       do output_unit=10,100
  43          inquire(unit=output_unit, opened=is_used)
  44          if (.not. is_used) exit
  45       end do
  46       call mprintf((output_unit > 100),ERROR,'In write_met_init(), couldn''t find an available Fortran unit.')
  47       open(unit=output_unit, file=trim(met_out_filename), status='unknown', form='unformatted', iostat=io_status)
  48
  49       if (io_status > 0) istatus = 1
  50
  51       return
  52
  53
  54    end subroutine write_met_init
  55
  56
  57    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  58    ! Name: write_next_met_field
  59    !
  60    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
  61    subroutine write_next_met_field(fg_data, istatus)
  62
  63       implicit none
  64
  65       ! Arguments
  66       type (met_data), intent(in) :: fg_data
  67       integer, intent(out) :: istatus
  68
  69       ! Local variables
  70       character (len=8) :: startloc
  71       character (len=9) :: local_field
  72
  73       istatus = 1
  74
  75       !  1) WRITE FORMAT VERSION
  76       write(unit=output_unit) fg_data % version
  77
  78       local_field = fg_data % field
  79       if (local_field == 'GHT      ') local_field = 'HGT      '
  80
  81       ! PREGRID
  82       if (fg_data % version == 3) then
  83
  84          ! Cylindrical equidistant
  85          if (fg_data % iproj == PROJ_LATLON) then
  86             write(unit=output_unit) fg_data % hdate, &
  87                                     fg_data % xfcst, &
  88                                     local_field,     &
  89                                     fg_data % units, &
  90                                     fg_data % desc,  &
  91                                     fg_data % xlvl,  &
  92                                     fg_data % nx,    &
  93                                     fg_data % ny,    &
  94                                     0
  95             write(unit=output_unit) fg_data % startlat, &
  96                                     fg_data % startlon, &
  97                                     fg_data % deltalat, &
  98                                     fg_data % deltalon
  99
 100          ! Mercator
 101          else if (fg_data % iproj == PROJ_MERC) then
 102             write(unit=output_unit) fg_data % hdate, &
 103                                     fg_data % xfcst, &
 104                                     local_field,     &
 105                                     fg_data % units, &
 106                                     fg_data % desc,  &
 107                                     fg_data % xlvl,  &
 108                                     fg_data % nx,    &
 109                                     fg_data % ny,    &
 110                                     1
 111             write(unit=output_unit) fg_data % startlat, &
 112                                     fg_data % startlon, &
 113                                     fg_data % dx,       &
 114                                     fg_data % dy,       &
 115                                     fg_data % truelat1
 116
 117          ! Lambert conformal
 118          else if (fg_data % iproj == PROJ_LC) then
 119             write(unit=output_unit) fg_data % hdate, &
 120                                     fg_data % xfcst, &
 121                                     local_field,     &
 122                                     fg_data % units, &
 123                                     fg_data % desc,  &
 124                                     fg_data % xlvl,  &
 125                                     fg_data % nx,    &
 126                                     fg_data % ny,    &
 127                                     3
 128             write(unit=output_unit) fg_data % startlat, &
 129                                     fg_data % startlon, &
 130                                     fg_data % dx,       &
 131                                     fg_data % dy,       &
 132                                     fg_data % xlonc,    &
 133                                     fg_data % truelat1, &
 134                                     fg_data % truelat2
 135
 136          ! Polar stereographic
 137          else if (fg_data % iproj == PROJ_PS) then
 138             write(unit=output_unit) fg_data % hdate, &
 139                                     fg_data % xfcst, &
 140                                     local_field,     &
 141                                     fg_data % units, &
 142                                     fg_data % desc,  &
 143                                     fg_data % xlvl,  &
 144                                     fg_data % nx,    &
 145                                     fg_data % ny,    &
 146                                     5
 147             write(unit=output_unit) fg_data % startlat, &
 148                                     fg_data % startlon, &
 149                                     fg_data % dx,       &
 150                                     fg_data % dy,       &
 151                                     fg_data % xlonc,    &
 152                                     fg_data % truelat1
 153
 154          ! ?????????
 155          else
 156             call mprintf(.true.,ERROR,'Unrecognized projection code %i when reading from %s.', &
 157                          i1=fg_data % iproj,s1=met_out_filename)
 158
 159          end if
 160
 161          write(unit=output_unit) fg_data % slab
 162
 163          istatus = 0
 164
 165       ! GRIB_PREP
 166       else if (fg_data % version == 4) then
 167
 168          if (fg_data % starti == 1.0 .and. fg_data % startj == 1.0) then
 169             startloc='SWCORNER'
 170          else
 171             startloc='CENTER  '
 172          end if
 173
 174          ! Cylindrical equidistant
 175          if (fg_data % iproj == PROJ_LATLON) then
 176             write(unit=output_unit) fg_data % hdate,      &
 177                                     fg_data % xfcst,      &
 178                                     fg_data % map_source, &
 179                                     local_field,          &
 180                                     fg_data % units,      &
 181                                     fg_data % desc,       &
 182                                     fg_data % xlvl,       &
 183                                     fg_data % nx,         &
 184                                     fg_data % ny,         &
 185                                     0
 186             write(unit=output_unit) startloc, &
 187                                     fg_data % startlat, &
 188                                     fg_data % startlon, &
 189                                     fg_data % deltalat, &
 190                                     fg_data % deltalon
 191
 192          ! Mercator
 193          else if (fg_data % iproj == PROJ_MERC) then
 194             write(unit=output_unit) fg_data % hdate,      &
 195                                     fg_data % xfcst,      &
 196                                     fg_data % map_source, &
 197                                     local_field,          &
 198                                     fg_data % units,      &
 199                                     fg_data % desc,       &
 200                                     fg_data % xlvl,       &
 201                                     fg_data % nx,         &
 202                                     fg_data % ny,         &
 203                                     1
 204             write(unit=output_unit) startloc, &
 205                                     fg_data % startlat, &
 206                                     fg_data % startlon, &
 207                                     fg_data % dx,       &
 208                                     fg_data % dy,       &
 209                                     fg_data % truelat1
 210
 211          ! Lambert conformal
 212          else if (fg_data % iproj == PROJ_LC) then
 213             write(unit=output_unit) fg_data % hdate,      &
 214                                     fg_data % xfcst,      &
 215                                     fg_data % map_source, &
 216                                     local_field,          &
 217                                     fg_data % units,      &
 218                                     fg_data % desc,       &
 219                                     fg_data % xlvl,       &
 220                                     fg_data % nx,         &
 221                                     fg_data % ny,         &
 222                                     3
 223             write(unit=output_unit) startloc, &
 224                                     fg_data % startlat, &
 225                                     fg_data % startlon, &
 226                                     fg_data % dx,       &
 227                                     fg_data % dy,       &
 228                                     fg_data % xlonc,    &
 229                                     fg_data % truelat1, &
 230                                     fg_data % truelat2
 231
 232          ! Polar stereographic
 233          else if (fg_data % iproj == PROJ_PS) then
 234             write(unit=output_unit) fg_data % hdate,      &
 235                                     fg_data % xfcst,      &
 236                                     fg_data % map_source, &
 237                                     local_field,          &
 238                                     fg_data % units,      &
 239                                     fg_data % desc,       &
 240                                     fg_data % xlvl,       &
 241                                     fg_data % nx,         &
 242                                     fg_data % ny,         &
 243                                     5
 244             write(unit=output_unit) startloc, &
 245                                     fg_data % startlat, &
 246                                     fg_data % startlon, &
 247                                     fg_data % dx,       &
 248                                     fg_data % dy,       &
 249                                     fg_data % xlonc,    &
 250                                     fg_data % truelat1
 251
 252          ! ?????????
 253          else
 254             call mprintf(.true.,ERROR,'Unrecognized projection code %i when reading from %s.', &
 255                          i1=fg_data % iproj,s1=met_out_filename)
 256
 257          end if
 258
 259          write(unit=output_unit) fg_data % slab
 260
 261          istatus = 0
 262
 263       ! WPS
 264       else if (fg_data % version == 5) then
 265
 266          if (fg_data % starti == 1.0 .and. fg_data % startj == 1.0) then
 267             startloc='SWCORNER'
 268          else
 269             startloc='CENTER  '
 270          end if
 271
 272          ! Cylindrical equidistant
 273          if (fg_data % iproj == PROJ_LATLON) then
 274             write(unit=output_unit) fg_data % hdate,      &
 275                                     fg_data % xfcst,      &
 276                                     fg_data % map_source, &
 277                                     local_field,          &
 278                                     fg_data % units,      &
 279                                     fg_data % desc,       &
 280                                     fg_data % xlvl,       &
 281                                     fg_data % nx,         &
 282                                     fg_data % ny,         &
 283                                     0
 284             write(unit=output_unit) startloc, &
 285                                     fg_data % startlat, &
 286                                     fg_data % startlon, &
 287                                     fg_data % deltalat, &
 288                                     fg_data % deltalon, &
 289                                     fg_data % earth_radius
 290
 291          ! Mercator
 292          else if (fg_data % iproj == PROJ_MERC) then
 293             write(unit=output_unit) fg_data % hdate,      &
 294                                     fg_data % xfcst,      &
 295                                     fg_data % map_source, &
 296                                     local_field,          &
 297                                     fg_data % units,      &
 298                                     fg_data % desc,       &
 299                                     fg_data % xlvl,       &
 300                                     fg_data % nx,         &
 301                                     fg_data % ny,         &
 302                                     1
 303             write(unit=output_unit) startloc, &
 304                                     fg_data % startlat, &
 305                                     fg_data % startlon, &
 306                                     fg_data % dx,       &
 307                                     fg_data % dy,       &
 308                                     fg_data % truelat1, &
 309                                     fg_data % earth_radius
 310
 311          ! Lambert conformal
 312          else if (fg_data % iproj == PROJ_LC) then
 313             write(unit=output_unit) fg_data % hdate,      &
 314                                     fg_data % xfcst,      &
 315                                     fg_data % map_source, &
 316                                     local_field,          &
 317                                     fg_data % units,      &
 318                                     fg_data % desc,       &
 319                                     fg_data % xlvl,       &
 320                                     fg_data % nx,         &
 321                                     fg_data % ny,         &
 322                                     3
 323             write(unit=output_unit) startloc, &
 324                                     fg_data % startlat, &
 325                                     fg_data % startlon, &
 326                                     fg_data % dx,       &
 327                                     fg_data % dy,       &
 328                                     fg_data % xlonc,    &
 329                                     fg_data % truelat1, &
 330                                     fg_data % truelat2, &
 331                                     fg_data % earth_radius
 332
 333          ! Gaussian
 334          else if (fg_data % iproj == PROJ_GAUSS) then
 335             write(unit=output_unit) fg_data % hdate,      &
 336                                     fg_data % xfcst,      &
 337                                     fg_data % map_source, &
 338                                     local_field,          &
 339                                     fg_data % units,      &
 340                                     fg_data % desc,       &
 341                                     fg_data % xlvl,       &
 342                                     fg_data % nx,         &
 343                                     fg_data % ny,         &
 344                                     4
 345             write(unit=output_unit) startloc, &
 346                                     fg_data % startlat, &
 347                                     fg_data % startlon, &
 348                                     fg_data % deltalat, &
 349                                     fg_data % deltalon, &
 350                                     fg_data % earth_radius
 351
 352          ! Polar stereographic
 353          else if (fg_data % iproj == PROJ_PS) then
 354             write(unit=output_unit) fg_data % hdate,      &
 355                                     fg_data % xfcst,      &
 356                                     fg_data % map_source, &
 357                                     local_field,          &
 358                                     fg_data % units,      &
 359                                     fg_data % desc,       &
 360                                     fg_data % xlvl,       &
 361                                     fg_data % nx,         &
 362                                     fg_data % ny,         &
 363                                     5
 364             write(unit=output_unit) startloc, &
 365                                     fg_data % startlat, &
 366                                     fg_data % startlon, &
 367                                     fg_data % dx,       &
 368                                     fg_data % dy,       &
 369                                     fg_data % xlonc,    &
 370                                     fg_data % truelat1, &
 371                                     fg_data % earth_radius
 372
 373          ! ?????????
 374          else
 375             call mprintf(.true.,ERROR,'Unrecognized projection code %i when reading from %s.', &
 376                          i1=fg_data % iproj,s1=met_out_filename)
 377
 378          end if
 379
 380          write(unit=output_unit) fg_data % is_wind_grid_rel
 381
 382          write(unit=output_unit) fg_data % slab
 383
 384          istatus = 0
 385
 386       else
 387          call mprintf(.true.,ERROR,'Didn''t recognize format number %i.', i1=fg_data % version)
 388       end if
 389
 390       return
 391
 392    end subroutine write_next_met_field
 393
 394
 395    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 396    ! Name: write_met_close
 397    !
 398    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 399    subroutine write_met_close()
 400
 401       implicit none
 402
 403       close(unit=output_unit)
 404       met_out_filename = 'UNINITIALIZED_FILENAME'
 405
 406    end subroutine write_met_close
 407
 408 end module write_met_module