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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