[6331] | 1 | !------------------------------------------------------------------------ |
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| 2 | ! Copyright 2021, CERFACS, Toulouse, France. |
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| 3 | ! All rights reserved. Use is subject to OASIS3-MCT license terms. |
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| 4 | !============================================================================= |
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| 5 | ! |
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| 6 | PROGRAM model2 |
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| 7 | ! |
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| 8 | USE netcdf |
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| 9 | USE mod_oasis |
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| 10 | USE read_all_data |
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| 11 | USE write_all_fields |
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| 12 | ! |
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| 13 | IMPLICIT NONE |
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| 14 | ! |
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| 15 | INCLUDE 'mpif.h' |
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| 16 | ! |
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| 17 | INTEGER, PARAMETER :: wp = SELECTED_REAL_KIND(12,307) ! double |
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| 18 | ! |
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| 19 | CHARACTER(len=30), PARAMETER :: data_gridname='grids.nc' ! file with the grids |
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| 20 | CHARACTER(len=30), PARAMETER :: data_maskname='masks.nc' ! file with the masks |
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| 21 | CHARACTER(len=30) :: data_filename, field_name |
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| 22 | ! |
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| 23 | ! Component name (6 characters) same as in the namcouple |
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| 24 | CHARACTER(len=6) :: comp_name = 'model2' |
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| 25 | CHARACTER(len=128) :: comp_out ! name of the output log file |
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| 26 | CHARACTER(len=3) :: chout |
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| 27 | CHARACTER(len=4) :: cl_grd_tgt ! name of the target grid |
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| 28 | ! |
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| 29 | NAMELIST /grid_target_characteristics/cl_grd_tgt |
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| 30 | ! |
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| 31 | ! Global grid parameters : |
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| 32 | INTEGER :: nlon, nlat ! dimensions in the 2 directions of space |
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| 33 | INTEGER :: il_size |
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| 34 | INTEGER, PARAMETER :: echelle=1 ! To calculate th delta error for plot |
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| 35 | REAL (kind=wp), DIMENSION(:,:), POINTER :: gg_lon,gg_lat |
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| 36 | INTEGER, DIMENSION(:,:), POINTER :: gg_mask ! mask, 0 == valid point, 1 == masked point |
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| 37 | ! |
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| 38 | INTEGER :: mype, npes ! rank and number of pe |
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| 39 | INTEGER :: local_comm ! local MPI communicator and Initialized |
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| 40 | INTEGER :: comp_id ! component identification |
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| 41 | ! |
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| 42 | INTEGER, DIMENSION(:), ALLOCATABLE :: il_paral ! Decomposition for each proc |
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| 43 | ! |
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| 44 | INTEGER :: ierror, rank, w_unit |
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| 45 | INTEGER :: ic_nmsk, ic_nmskrv |
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| 46 | LOGICAL :: file_debug = .true. |
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| 47 | ! |
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| 48 | ! Names of exchanged Fields |
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| 49 | CHARACTER(len=8), PARAMETER :: var_name = 'FRECVANA' ! 8 characters field received by the atmospheremodel2 from model1 |
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| 50 | ! |
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| 51 | ! Used in oasis_def_var and oasis_def_var |
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| 52 | INTEGER :: var_id |
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| 53 | INTEGER :: var_nodims(2) |
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| 54 | INTEGER :: var_type |
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| 55 | ! |
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| 56 | REAL (kind=wp), PARAMETER :: field_ini = -1. ! initialisation of received fields |
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| 57 | ! |
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| 58 | ! Grid parameter definition |
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| 59 | INTEGER :: part_id ! use to connect the partition to the variables |
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| 60 | INTEGER :: var_sh(1) ! local dimensions of the arrays; 2 x rank (=4) |
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| 61 | INTEGER :: ibeg, iend, jbeg, jend |
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| 62 | ! |
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| 63 | ! Local fields arrays used in routines oasis_put and oasis_get |
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| 64 | REAL (kind=wp), POINTER :: field_recv1d(:,:), field_recv(:,:), field_ana(:,:), gg_error(:,:) |
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| 65 | INTEGER, POINTER :: mask_error(:,:) ! error mask, 0 == masked point, 1 == valid point |
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| 66 | ! |
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| 67 | ! Min and Max of the error of interpolation |
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| 68 | REAL (kind=wp) :: min, max |
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| 69 | ! |
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| 70 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 71 | ! INITIALISATION |
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| 72 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 73 | ! |
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| 74 | CALL mpi_init(ierror) |
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| 75 | ! |
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| 76 | CALL oasis_init_comp (comp_id, comp_name, ierror ) |
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| 77 | IF (ierror /= 0) THEN |
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| 78 | WRITE(0,*) 'oasis_init_comp abort by model2 compid ',comp_id |
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| 79 | CALL oasis_abort(comp_id,comp_name,'Problem in oasis_init_comp') |
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| 80 | ENDIF |
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| 81 | ! |
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| 82 | ! Unit for output messages : one file for each process |
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| 83 | CALL MPI_Comm_Rank ( MPI_COMM_WORLD, rank, ierror ) |
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| 84 | IF (ierror /= 0) THEN |
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| 85 | WRITE(0,*) 'MPI_Comm_Rank abort by model2 compid ',comp_id |
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| 86 | CALL oasis_abort(comp_id,comp_name,'Problem in MPI_Comm_Rank') |
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| 87 | ENDIF |
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| 88 | ! |
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| 89 | ! |
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| 90 | !!!!!!!!!!!!!!!!! OASIS_GET_LOCALCOMM !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 91 | ! |
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| 92 | CALL oasis_get_localcomm ( local_comm, ierror ) |
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| 93 | IF (ierror /= 0) THEN |
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| 94 | WRITE (0,*) 'oasis_get_localcomm abort by model2 compid ',comp_id |
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| 95 | CALL oasis_abort(comp_id,comp_name,'Problem in oasis_get_localcomm') |
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| 96 | ENDIF |
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| 97 | ! |
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| 98 | ! Get MPI size and rank |
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| 99 | CALL MPI_Comm_Size ( local_comm, npes, ierror ) |
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| 100 | IF (ierror /= 0) THEN |
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| 101 | WRITE(0,*) 'MPI_comm_size abort by model2 compid ',comp_id |
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| 102 | CALL oasis_abort(comp_id,comp_name,'Problem in MPI_Comm_Size') |
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| 103 | ENDIF |
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| 104 | ! |
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| 105 | CALL MPI_Comm_Rank ( local_comm, mype, ierror ) |
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| 106 | IF (ierror /= 0) THEN |
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| 107 | WRITE (0,*) 'MPI_Comm_Rank abort by model2 compid ',comp_id |
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| 108 | CALL oasis_abort(comp_id,comp_name,'Problem in MPI_Comm_Rank') |
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| 109 | ENDIF |
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| 110 | ! |
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| 111 | IF (file_debug) THEN |
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| 112 | w_unit = 100 + rank |
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| 113 | WRITE(chout,'(I3)') w_unit |
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| 114 | comp_out=comp_name//'.out_'//chout |
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| 115 | OPEN(w_unit,file=TRIM(comp_out),form='formatted') |
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| 116 | ENDIF |
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| 117 | ! |
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| 118 | IF (file_debug) THEN |
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| 119 | WRITE (w_unit,*) '-----------------------------------------------------------' |
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| 120 | WRITE (w_unit,*) TRIM(comp_name), ' running with reals compiled as kind ',wp |
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| 121 | WRITE (w_unit,*) 'I am component ', TRIM(comp_name), ' global rank :',rank |
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| 122 | WRITE (w_unit,*) '----------------------------------------------------------' |
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| 123 | WRITE(w_unit,*) 'I am the ', TRIM(comp_name), ' ', 'component identifier', comp_id, 'local rank', mype |
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| 124 | WRITE (w_unit,*) 'Number of processors :',npes |
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| 125 | WRITE (w_unit,*) '----------------------------------------------------------' |
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| 126 | CALL FLUSH(w_unit) |
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| 127 | ENDIF |
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| 128 | ! |
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| 129 | ! Only the master process participate in the coupling |
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| 130 | IF (mype == 0) THEN |
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| 131 | ! |
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| 132 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 133 | ! GRID DEFINITION |
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| 134 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 135 | ! |
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| 136 | ! Read global grids.nc and masks.nc files |
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| 137 | ! For simplicity, all processes read the whole grid |
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| 138 | ! Get arguments giving target grid acronym |
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| 139 | ! |
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| 140 | OPEN(UNIT=70,FILE='name_grids.dat',FORM='FORMATTED') |
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| 141 | READ(UNIT=70,NML=grid_target_characteristics) |
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| 142 | CLOSE(70) |
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| 143 | ! |
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| 144 | IF (file_debug) THEN |
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| 145 | WRITE(w_unit,*) 'Target grid name : ',cl_grd_tgt |
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| 146 | CALL flush(w_unit) |
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| 147 | ENDIF |
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| 148 | ! |
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| 149 | ! Read dimensions of the global grid |
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| 150 | CALL read_dimgrid(nlon,nlat,data_gridname,cl_grd_tgt,w_unit,file_debug) |
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| 151 | ! |
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| 152 | ! Allocate grid arrays |
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| 153 | ALLOCATE(gg_lon(nlon,nlat), STAT=ierror ) |
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| 154 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating gg_lon' |
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| 155 | ALLOCATE(gg_lat(nlon,nlat), STAT=ierror ) |
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| 156 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating gg_lat' |
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| 157 | ALLOCATE(gg_mask(nlon,nlat), STAT=ierror ) |
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| 158 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating indice_mask' |
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| 159 | ALLOCATE(gg_error(nlon,nlat),STAT=ierror ) |
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| 160 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating gg_error' |
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| 161 | ALLOCATE(mask_error(nlon,nlat),STAT=ierror ) |
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| 162 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating mask_error' |
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| 163 | ! |
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| 164 | ! Read global grid longitudes, latitudes and mask |
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| 165 | CALL read_grid(nlon,nlat, data_gridname, cl_grd_tgt, w_unit, file_debug, gg_lon,gg_lat) |
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| 166 | CALL read_mask(nlon,nlat, data_maskname, cl_grd_tgt, w_unit, file_debug, gg_mask) |
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| 167 | ! |
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| 168 | IF (file_debug) THEN |
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| 169 | WRITE(w_unit,*) 'After grid and mask reading' |
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| 170 | CALL FLUSH(w_unit) |
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| 171 | ENDIF |
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| 172 | ! |
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| 173 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 174 | ! PARTITION DEFINITION (master process treats the whole coupling field) |
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| 175 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ! |
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| 176 | ! |
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| 177 | il_size = 3 |
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| 178 | ALLOCATE(il_paral(il_size)) |
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| 179 | IF (file_debug) THEN |
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| 180 | WRITE(w_unit,*) 'After allocate il_paral, il_size', il_size |
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| 181 | CALL FLUSH(w_unit) |
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| 182 | ENDIF |
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| 183 | ! |
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| 184 | il_paral(1)=0 |
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| 185 | il_paral(2)=0 |
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| 186 | il_paral(3)=nlon*nlat |
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| 187 | ! |
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| 188 | IF (file_debug) THEN |
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| 189 | WRITE(w_unit,*) 'il_paral = ', il_paral(:) |
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| 190 | CALL FLUSH(w_unit) |
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| 191 | ENDIF |
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| 192 | ! |
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| 193 | CALL oasis_def_partition (part_id, il_paral, ierror) |
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| 194 | IF (file_debug) THEN |
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| 195 | WRITE(w_unit,*) 'After oasis_def_partition' |
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| 196 | CALL FLUSH(w_unit) |
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| 197 | ENDIF |
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| 198 | ! |
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| 199 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 200 | ! COUPLING FIELD DECLARATION |
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| 201 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 202 | ! |
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| 203 | var_nodims(1) = 2 ! Rank of the field array is 2 |
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| 204 | var_nodims(2) = 1 ! Bundles always 1 for OASIS3 |
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| 205 | var_sh(1) = 1 ! (not used anymore) |
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| 206 | var_type = OASIS_Real |
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| 207 | ! |
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| 208 | CALL oasis_def_var (var_id,var_name, part_id, & |
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| 209 | var_nodims, OASIS_In, var_sh, var_type, ierror) |
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| 210 | IF (ierror /= 0) THEN |
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| 211 | WRITE (w_unit,*) 'oasis_def_var abort by model2 compid ',comp_id |
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| 212 | CALL oasis_abort(comp_id,comp_name,'Problem in oasis_def_var') |
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| 213 | ENDIF |
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| 214 | IF (file_debug) THEN |
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| 215 | WRITE(w_unit,*) 'After oasis_def_var' |
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| 216 | CALL FLUSH(w_unit) |
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| 217 | ENDIF |
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| 218 | ! |
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| 219 | DEALLOCATE(il_paral) |
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| 220 | ENDIF |
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| 221 | ! |
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| 222 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 223 | ! TERMINATION OF DEFINITION PHASE |
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| 224 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 225 | ! |
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| 226 | CALL oasis_enddef ( ierror ) |
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| 227 | IF (ierror /= 0) THEN |
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| 228 | WRITE (w_unit,*) 'oasis_enddef abort by model2 compid ',comp_id |
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| 229 | CALL oasis_abort(comp_id,comp_name,'Problem in oasis_enddef') |
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| 230 | ENDIF |
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| 231 | IF (file_debug) THEN |
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| 232 | WRITE(w_unit,*) 'After oasis_enddef' |
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| 233 | CALL FLUSH(w_unit) |
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| 234 | ENDIF |
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| 235 | ! |
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| 236 | ! Only the master process participates in the coupling |
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| 237 | IF (mype == 0) THEN |
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| 238 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 239 | ! RECEIVE ARRAYS AND CALCULATE THE ERROR |
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| 240 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 241 | ! |
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| 242 | ! Allocate the field received by the model |
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| 243 | ! For simplicity, only the master process receives the whole field |
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| 244 | ! |
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| 245 | ALLOCATE(field_recv1d(nlon*nlat,1), STAT=ierror ) |
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| 246 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating field_recv1d' |
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| 247 | ALLOCATE(field_recv(nlon,nlat), STAT=ierror ) |
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| 248 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating field_recv' |
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| 249 | ALLOCATE(field_ana(nlon,nlat),STAT=ierror ) |
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| 250 | IF ( ierror /= 0 ) WRITE(w_unit,*) 'Error allocating field_ana' |
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| 251 | ! |
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| 252 | CALL function_ana(nlon, nlat, gg_lon, gg_lat, field_ana) |
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| 253 | ! |
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| 254 | ! Get the field FRECVANA |
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| 255 | field_recv1d=field_ini |
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| 256 | CALL oasis_get(var_id, 0, field_recv1d, ierror) |
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| 257 | field_recv = RESHAPE(field_recv1d,(/nlon,nlat/)) |
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| 258 | DEALLOCATE(field_recv1d) |
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| 259 | ! |
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| 260 | IF (ierror .NE. OASIS_Ok .AND. ierror .LT. OASIS_Recvd) THEN |
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| 261 | WRITE (w_unit,*) 'oasis_get abort by model2 compid ',comp_id |
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| 262 | CALL oasis_abort(comp_id,comp_name,'Problem in oasis_get') |
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| 263 | ENDIF |
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| 264 | IF (file_debug) THEN |
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| 265 | WRITE(w_unit,'(A39,1X,F6.4,1X,F6.4)') 'MINVAL(field_recv),MAXVAL(field_recv)=',MINVAL(field_recv),MAXVAL(field_recv) |
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| 266 | ENDIF |
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| 267 | ! |
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| 268 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 269 | ! Modify the field so to have: |
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| 270 | ! - on masked points: field value of 10000, error of 0. |
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| 271 | ! - on non-masked points that did not receive any interpolated value: field value of 1.e20, error of -1.e20 |
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| 272 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 273 | ! |
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| 274 | mask_error=1 |
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| 275 | WHERE (gg_mask == 1) ! masked points |
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| 276 | gg_error=0. |
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| 277 | field_recv=10000. |
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| 278 | mask_error=0 |
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| 279 | ELSEWHERE ! non-masked points |
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| 280 | WHERE (field_recv /= 0.) ! non-masked points that received an interpolated value |
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| 281 | gg_error = ABS(((field_ana - field_recv)/field_recv))*100 |
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| 282 | ELSEWHERE ! non-masked points that did not receive an interpolated value |
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| 283 | gg_error=-1.e20 |
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| 284 | field_recv=1.e20 |
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| 285 | mask_error=0 |
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| 286 | END WHERE |
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| 287 | END WHERE |
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| 288 | ! |
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| 289 | IF (file_debug) THEN |
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| 290 | WRITE (w_unit,*) 'After calculating the interpolation error' |
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| 291 | CALL FLUSH(w_unit) |
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| 292 | ENDIF |
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| 293 | ! |
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| 294 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 295 | ! Write the error and the field in a NetCDF file by proc0 |
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| 296 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 297 | ! |
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| 298 | data_filename='error_interp.nc' |
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| 299 | field_name='error_interp' |
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| 300 | CALL write_field(nlon, nlat, data_filename, field_name, w_unit, file_debug, gg_lon, gg_lat, gg_error) |
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| 301 | ! |
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| 302 | data_filename='FRECVANA.nc' |
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| 303 | field_name='FRECVANA' |
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| 304 | CALL write_field(nlon, nlat, data_filename, field_name, w_unit, file_debug, gg_lon, gg_lat, field_recv) |
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| 305 | ! |
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| 306 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 307 | ! Calculate error min and max on non-masked points that received an interpolated value |
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| 308 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 309 | ! |
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| 310 | min=MINVAL(gg_error, MASK=mask_error>0) |
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| 311 | IF (file_debug) THEN |
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| 312 | WRITE(w_unit,*) 'Min (%) and its location in the error field : ',min |
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| 313 | WRITE(w_unit,*) MINLOC(gg_error) |
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| 314 | CALL FLUSH(w_unit) |
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| 315 | ENDIF |
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| 316 | ! |
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| 317 | max=MAXVAL(gg_error, MASK=mask_error>0) |
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| 318 | IF (file_debug) THEN |
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| 319 | WRITE(w_unit,'(A47,1X,F6.4)')'Max (%) and its location in the error field : ',max |
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| 320 | WRITE(w_unit,*) MAXLOC(gg_error) |
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| 321 | CALL FLUSH(w_unit) |
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| 322 | ENDIF |
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| 323 | ! |
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| 324 | IF (file_debug) THEN |
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| 325 | ic_nmsk=nlon*nlat-SUM(gg_mask) |
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| 326 | WRITE(w_unit,*) 'Number of non-masked points :',ic_nmsk |
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| 327 | ic_nmskrv=SUM(mask_error) |
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| 328 | WRITE(w_unit,*) 'Number of non-masked points that received a value :',ic_nmskrv |
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| 329 | WRITE(w_unit,'(A60,1X,F6.4)') 'Error mean on non masked points that received a value (%): ', SUM(ABS(gg_error), MASK=mask_error>0)/ic_nmskrv |
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| 330 | WRITE(w_unit,*) 'Delta error (%/echelle) :',(max - min)/echelle |
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| 331 | WRITE(w_unit,*) 'End calculation of stat on the error' |
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| 332 | CALL FLUSH(w_unit) |
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| 333 | ENDIF |
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| 334 | ! |
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| 335 | CALL SYSTEM("ln -s "//TRIM(comp_out)//" model2.out") |
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| 336 | ! |
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| 337 | ENDIF ! Only master process participates in the coupling |
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| 338 | ! |
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| 339 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 340 | ! TERMINATION |
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| 341 | !+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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| 342 | IF (file_debug) THEN |
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| 343 | WRITE (w_unit,*) 'End of the program, before oasis_terminate' |
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| 344 | CALL FLUSH(w_unit) |
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| 345 | ENDIF |
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| 346 | ! |
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| 347 | CALL oasis_terminate (ierror) |
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| 348 | IF (ierror /= 0) THEN |
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| 349 | WRITE (w_unit,*) 'oasis_terminate abort by model2 compid ',comp_id |
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| 350 | ENDIF |
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| 351 | ! |
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| 352 | CALL mpi_finalize(ierror) |
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| 353 | ! |
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| 354 | END PROGRAM MODEL2 |
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| 355 | ! |
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