1 | !**************************************************************************************** |
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2 | SUBROUTINE read_dimgrid (nlon,nlat,data_filename,w_unit) |
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3 | !************************************************************************************** |
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4 | USE netcdf |
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5 | IMPLICIT NONE |
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6 | ! |
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7 | INTEGER :: i,j,k,w_unit |
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8 | ! |
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9 | INTEGER :: il_file_id,il_grid_id,il_lon_id, & |
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10 | il_lat_id,il_indice_id, & |
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11 | lon_dims,lat_dims,imask_dims |
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12 | ! |
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13 | INTEGER, DIMENSION(NF90_MAX_VAR_DIMS) :: lon_dims_ids,lat_dims_ids,& |
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14 | imask_dims_ids,lon_dims_len,& |
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15 | lat_dims_len,imask_dims_len |
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16 | ! |
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17 | INTEGER, INTENT(out) :: nlon,nlat |
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18 | ! |
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19 | CHARACTER(len=30) :: data_filename |
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20 | ! |
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21 | ! Dimensions |
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22 | ! |
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23 | CALL hdlerr(NF90_OPEN(data_filename, NF90_NOWRITE, il_file_id), __LINE__ ) |
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24 | ! |
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25 | CALL hdlerr( NF90_INQ_VARID(il_file_id, 'lon' , il_lon_id), __LINE__ ) |
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26 | CALL hdlerr( NF90_INQ_VARID(il_file_id, 'lat' , il_lat_id), __LINE__ ) |
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27 | CALL hdlerr( NF90_INQ_VARID(il_file_id, 'imask', il_indice_id), __LINE__ ) |
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28 | ! |
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29 | CALL hdlerr( NF90_INQUIRE_VARIABLE(il_file_id, varid=il_lon_id, ndims=lon_dims, dimids=lon_dims_ids), __LINE__ ) |
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30 | ! |
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31 | ! The value lon_dims_len(i) is obtained thanks to the lon_dims_ids ID already obtained from the file |
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32 | DO i=1,lon_dims |
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33 | CALL hdlerr( NF90_INQUIRE_DIMENSION(ncid=il_file_id,dimid=lon_dims_ids(i),len=lon_dims_len(i)), __LINE__ ) |
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34 | ENDDO |
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35 | ! |
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36 | nlon=lon_dims_len(1) |
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37 | nlat=lon_dims_len(2) |
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38 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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39 | ! |
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40 | CALL hdlerr( NF90_INQUIRE_VARIABLE(ncid=il_file_id, varid=il_lat_id, ndims=lat_dims, dimids=lat_dims_ids), __LINE__ ) |
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41 | ! |
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42 | ! The value lat_dims_len(i) is obtained thanks to the lat_dims_ids ID already obtained from the file |
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43 | DO i=1,lat_dims |
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44 | CALL hdlerr( NF90_INQUIRE_DIMENSION(ncid=il_file_id,dimid=lat_dims_ids(i),len=lat_dims_len(i)), __LINE__ ) |
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45 | ENDDO |
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46 | ! |
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47 | IF ( (lat_dims_len(1) .NE. lon_dims_len(1)).OR.(lat_dims_len(2) .NE. lon_dims_len(2)) ) THEN |
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48 | WRITE(w_unit,*) 'Problem model1 in read_dimgrid' |
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49 | WRITE(w_unit,*) 'Dimensions of the latitude are not the same as the ones of the longitude' |
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50 | CALL flush(w_unit) |
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51 | STOP |
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52 | ENDIF |
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53 | !++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
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54 | ! |
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55 | CALL hdlerr( NF90_INQUIRE_VARIABLE(ncid=il_file_id, varid=il_indice_id, ndims=imask_dims, dimids=imask_dims_ids), __LINE__ ) |
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56 | ! |
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57 | ! The value imask_dims_len(i) is obtained thanks to the imask_dims_ids ID already obtained from the file |
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58 | DO i=1,imask_dims |
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59 | CALL hdlerr( NF90_INQUIRE_DIMENSION(ncid=il_file_id,dimid=imask_dims_ids(i),len=imask_dims_len(i)), __LINE__ ) |
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60 | ENDDO |
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61 | ! |
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62 | CALL hdlerr(NF90_CLOSE(il_file_id), __LINE__ ) |
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63 | ! |
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64 | WRITE(w_unit,*) 'Reading input file ',data_filename |
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65 | WRITE(w_unit,*) 'Global dimensions nlon=',nlon,' nlat=',nlat |
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66 | CALL flush(w_unit) |
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67 | ! |
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68 | ! |
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69 | END SUBROUTINE read_dimgrid |
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