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!MNH_LIC Copyright 1994-2018 CNRS, Meteo-France and Universite Paul Sabatier
!MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!MNH_LIC for details. version 1.
!-----------------------------------------------------------------
MODULE mode_util
  USE MODD_IO_ll,  ONLY: TFILE_ELT
  USE MODD_NETCDF, ONLY: DIMCDF, IDCDF_KIND
  USE MODD_PARAMETERS, ONLY: NLFIMAXCOMMENTLENGTH, NMNHNAMELGTMAX
  INTEGER,PARAMETER :: MAXFILES=100
  INTEGER,parameter :: MAXDATES=100
  TYPE workfield
     CHARACTER(LEN=NMNHNAMELGTMAX)         :: name   ! nom du champ
     LOGICAL                               :: found  ! T if found in the input file
     LOGICAL                               :: calc   ! T if computed from other variables
     LOGICAL                               :: tbw    ! to be written or not
     LOGICAL                               :: tbr    ! to be read or not
     LOGICAL                               :: LSPLIT = .FALSE. ! TRUE if variable is split by vertical level
     INTEGER                               :: NSIZE = 0 ! Size of the variable (in number of elements)
     INTEGER                               :: NSRC = 0 ! Number of variables used to compute the variable (needed only if calc=.true.)
     INTEGER                               :: NDIMS_FILE  ! Number of dims (as present in input file)
     INTEGER,DIMENSION(:),ALLOCATABLE      :: NDIMSIZES_FILE  ! Dimensions sizes (as present in input file)
     CHARACTER(LEN=NF90_MAX_NAME),DIMENSION(:),ALLOCATABLE :: CDIMNAMES_FILE  ! Dimensions names (as present in input file)
     CHARACTER(LEN=40)                     :: CUNITS_FILE = '' ! Units (as present in input file)
     INTEGER                               :: NGRID_FILE  ! Grid  number (as present in input file)
     INTEGER                               :: NTYPE_FILE  ! netCDF datatype (NF90_CHAR, NF90_INT...) (as present in input file)
     INTEGER,DIMENSION(MAXRAW)             :: src    ! List of variables used to compute the variable (needed only if calc=.true.)
     INTEGER                               :: tgt    ! Target: id of the variable that use it (calc variable)
     TYPE(TFIELDDATA)                      :: TFIELD ! Metadata about the field
     TYPE(DIMCDF),DIMENSION(:),ALLOCATABLE :: TDIMS  ! Dimensions of the field
  END TYPE workfield

  LOGICAL(KIND=LFI_INT), PARAMETER :: ltrue  = .TRUE.
  LOGICAL(KIND=LFI_INT), PARAMETER :: lfalse = .FALSE.

  SUBROUTINE parse_infiles(infiles, outfiles, KNFILES_OUT, nbvar_infile, nbvar_tbr, nbvar_calc, nbvar_tbw, &
                           tpreclist, options, runmode)
    USE MODD_PARAMETERS, ONLY: JPHEXT, JPVEXT, NGRIDUNKNOWN
    TYPE(TFILE_ELT),DIMENSION(:),         INTENT(IN)  :: infiles
    TYPE(TFILE_ELT),DIMENSION(:),         INTENT(IN)  :: outfiles
    INTEGER,                              INTENT(IN)  :: KNFILES_OUT
    INTEGER,                              INTENT(IN)  :: nbvar_infile, nbvar_tbr, nbvar_calc, nbvar_tbw
    TYPE(workfield), DIMENSION(:),POINTER,INTENT(OUT) :: tpreclist
    TYPE(option),DIMENSION(:),            INTENT(IN)  :: options
    INTEGER,                              INTENT(IN)  :: runmode
    TYPE TLFIDATE
      CHARACTER(LEN=FM_FIELD_SIZE) :: CNAME = ''     !Name of the date variable
      INTEGER                      :: NIDX_DATE = -1 !Index of the date part
      INTEGER                      :: NIDX_TIME = -1 !Index of the time part
    END TYPE TLFIDATE

    CHARACTER(LEN=FM_FIELD_SIZE)             :: yrecfm, YDATENAME
    CHARACTER(LEN=FM_FIELD_SIZE)             :: var_calc
    CHARACTER(LEN=FM_FIELD_SIZE),dimension(MAXRAW) :: var_raw
    CHARACTER(LEN=1)                         :: YNDIMS
    CHARACTER(LEN=32)                        :: YTYPE
    INTEGER                                  :: ji,jj
    INTEGER                                  :: ndb, nde, ndey, idx, idx_out, idx_var, maxvar
    INTEGER                                  :: leng
    INTEGER                                  :: IID, IRESP, IDATES, ICURDATE
    INTEGER                                  :: IDXDATE, IDXTIME
    INTEGER(KIND=LFI_INT)                    :: iresp2,ilu,ileng,ipos
    INTEGER(KIND=IDCDF_KIND)                 :: kcdf_id, kcdf_id2, var_id
    INTEGER(KIND=IDCDF_KIND)                 :: status
    TYPE(TLFIDATE),DIMENSION(MAXDATES)       :: TLFIDATES
    CALL PRINT_MSG(NVERB_DEBUG,'IO','parse_infiles','called')

    IF (options(OPTSPLIT)%set) THEN
      idx_out = 0
    ELSE
      idx_out = 1
    END IF
    IF (runmode==MODECDF2LFI) THEN
      !This file is a dummy one to manage netCDF dims
    IF (INFILES(1)%TFILE%CFORMAT == 'LFI') THEN
      ilu = INFILES(1)%TFILE%NLFIFLU
    ELSE IF (INFILES(1)%TFILE%CFORMAT == 'NETCDF4') THEN
      kcdf_id = INFILES(1)%TFILE%NNCID
    PRINT *,'MESONH 3D, 2D articles DIMENSIONS used :'
    PRINT *,'DIMX =',NIMAX_ll+2*JPHEXT
    PRINT *,'DIMY =',NJMAX_ll+2*JPHEXT
    PRINT *,'DIMZ =',NKMAX   +2*JPVEXT

    ! Phase 1 : build articles list to convert.
    !
    !    Pour l'instant tous les articles du fichier LFI sont
    !    convertis. On peut modifier cette phase pour prendre en
    !    compte un sous-ensemble d'article (liste definie par
    !    l'utilisateur par exemple)
      ALLOCATE(tpreclist(nbvar_tbr+nbvar_calc))
      DO ji=1,nbvar_tbr+nbvar_calc
        tpreclist(ji)%found  = .FALSE.
        tpreclist(ji)%calc   = .FALSE. !By default variables are not computed from others
        tpreclist(ji)%tbw    = .TRUE.  !By default variables are written
        tpreclist(ji)%tbr    = .TRUE.  !By default variables are read
        tpreclist(ji)%src(:) = -1
        tpreclist(ji)%tgt    = -1
      END DO

       ! A variable list is provided with -v var1,...
       ndb  = 1
          !crash compiler GCC 4.2.0: nde = INDEX(TRIM(options(OPTVAR)%cvalue(ndb:)),',')
          nde = INDEX(TRIM(options(OPTVAR)%cvalue(ndb:len(trim(options(OPTVAR)%cvalue)))),',')
          IF (nde == 0) nde = LEN( TRIM(options(OPTVAR)%cvalue(ndb:len(trim(options(OPTVAR)%cvalue)))) ) + 1
          yrecfm = options(OPTVAR)%cvalue(ndb:ndb+nde-2)
          !Detect operations on variables (only + is supported now)
          ndey = INDEX(TRIM(yrecfm),'=')
          idx = 1
          IF (ndey /= 0) THEN
            var_calc = yrecfm(1:ndey-1)
            DO WHILE (ndey /= 0)
              IF (idx>MAXRAW) THEN
                CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','MAXRAW exceeded (too many raw variables for 1 computed one)')
              END IF
              yrecfm = yrecfm(ndey+1:)
              ndey = INDEX(TRIM(yrecfm),'+')
              IF (ndey /= 0) THEN
                var_raw(idx) = yrecfm(1:ndey-1)
              ELSE
                var_raw(idx) = TRIM(yrecfm)
              END IF
              idx = idx + 1
            END DO

            tpreclist(idx_var)%name = trim(var_calc)
            tpreclist(idx_var)%calc = .TRUE.
            tpreclist(idx_var)%tbw  = .TRUE.
            tpreclist(idx_var)%tbr  = .FALSE.
            idx_var=idx_var+1
            DO jj = 1, idx-1
              tpreclist(idx_var-jj)%src(jj) = idx_var
              tpreclist(idx_var)%name = trim(var_raw(jj))
              tpreclist(idx_var)%calc = .FALSE.
              tpreclist(idx_var)%tbw  = .FALSE.
              tpreclist(idx_var)%tbr  = .TRUE.
              tpreclist(idx_var)%tgt  = idx_var-jj
              idx_var=idx_var+1
            END DO

          ELSE
            tpreclist(idx_var)%name = trim(yrecfm)
            tpreclist(idx_var)%calc = .FALSE.
            tpreclist(idx_var)%tbw  = .TRUE.
            idx_var=idx_var+1

          END IF

       DO ji=1,nbvar_tbr+nbvar_calc
          IF (tpreclist(ji)%calc) CYCLE
          IF (INFILES(1)%TFILE%CFORMAT == 'LFI') THEN
            CALL LFINFO(iresp2,ilu,trim(yrecfm),ileng,ipos)
            IF (iresp2 == 0 .AND. ileng /= 0) THEN
              tpreclist(ji)%found = .true.
              tpreclist(ji)%NSIZE = ileng - 2 - NLFIMAXCOMMENTLENGTH
            END IF

            IF (iresp2==0 .AND. ileng == 0 .AND. ipos==0 .AND. INFILES(1)%TFILE%NSUBFILES_IOZ>0) THEN
              !Variable not found with no error (iresp2==0 .AND. ileng == 0 .AND. ipos==0)
              !If we are merging, maybe it is one of the split variable
              !In that case, the 1st part of the variable is in the 1st split file with a 0001 suffix
              CALL LFINFO(iresp2,INFILES(1)%TFILE%TFILES_IOZ(1)%TFILE%NLFIFLU,trim(yrecfm)//'0001',ileng,ipos)
              IF (iresp2 == 0 .AND. ileng /= 0) THEN
                tpreclist(ji)%found  = .true.
                tpreclist(ji)%LSPLIT = .true.
                IF (tpreclist(ji)%tgt > 0) THEN !If this variable is used for a calculated one
                  tpreclist(tpreclist(ji)%tgt)%LSPLIT = .true.
                END IF
              END IF
              tpreclist(ji)%NSIZE = (ileng - 2 - NLFIMAXCOMMENTLENGTH) * (NKMAX+2*JPVEXT)
              ileng = tpreclist(ji)%NSIZE + 2 + NLFIMAXCOMMENTLENGTH
            leng = ileng
          ELSE IF (INFILES(1)%TFILE%CFORMAT == 'NETCDF4') THEN
            status = NF90_INQ_VARID(kcdf_id,trim(yrecfm),var_id)
            IF (status /= NF90_NOERR .AND. INFILES(1)%TFILE%NSUBFILES_IOZ>0) THEN
              !Variable probably not found (other error possible...)
              !If we are merging, maybe it is one of the split variable
              !In that case, the 1st part of the variable is in the 1st split file with a 0001 suffix
              kcdf_id2 = INFILES(1)%TFILE%TFILES_IOZ(1)%TFILE%NNCID
              status = NF90_INQ_VARID(kcdf_id2,trim(yrecfm)//'0001',var_id)
              IF (status == NF90_NOERR) THEN
                tpreclist(ji)%LSPLIT = .true.
                IF (tpreclist(ji)%tgt > 0) THEN !If this variable is used for a calculated one
                  tpreclist(tpreclist(ji)%tgt)%LSPLIT = .true.
                END IF
              ELSE
                CALL HANDLE_ERR(status,__LINE__)
            ELSE IF (status /= NF90_NOERR) THEN
              CALL HANDLE_ERR(status,__LINE__)
            IF (status == NF90_NOERR) THEN
              tpreclist(ji)%found = .true.
              CALL IO_GET_METADATA_NC4(kcdf_id2,var_id,tpreclist(ji))
            END IF
          END IF

          IF (.NOT.tpreclist(ji)%found) THEN
            CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','variable '//TRIM(yrecfm)//' not found => ignored')
             tpreclist(ji)%tbw   = .FAlSE.
             tpreclist(ji)%tbr   = .FAlSE.
          END IF

       maxvar = nbvar_tbr+nbvar_calc
DO ji=1,nbvar_tbr+nbvar_calc
  print *,ji,'name=',trim(tpreclist(ji)%name),' calc=',tpreclist(ji)%calc,' tbw=',tpreclist(ji)%tbw,&
          ' tbr=',tpreclist(ji)%tbr,' found=',tpreclist(ji)%found
END DO

    ELSE
       ! Entire file is converted
       ALLOCATE(tpreclist(nbvar_infile))
       DO ji=1,nbvar_infile
         tpreclist(ji)%calc   = .FALSE. !By default variables are not computed from others
         tpreclist(ji)%tbw    = .TRUE.  !By default variables are written
         tpreclist(ji)%src(:) = -1
       END DO

       IF (INFILES(1)%TFILE%CFORMAT == 'LFI') THEN
         ladvan = .TRUE.

         DO ji=1,nbvar_infile
           CALL LFICAS(iresp2,ilu,yrecfm,ileng,ipos,ladvan)
           tpreclist(ji)%found  = .TRUE.
           tpreclist(ji)%NSIZE  = ileng - 2 - NLFIMAXCOMMENTLENGTH

           !Detect if date variable
           IDXDATE = INDEX(trim(yrecfm),"%TDATE",.TRUE.)
           IDXTIME = INDEX(trim(yrecfm),"%TIME", .TRUE.)
           IF (IDXDATE/=0 .AND. IDXTIME/=0) &
             CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','field in LFI file with %TDATE and %TIME in name '//TRIM(YRECFM))
           IDX = MAX(IDXDATE,IDXTIME)
           IF (IDX>0) THEN
             YDATENAME = YRECFM(1:IDX-1)
             !Look if datename is already known
             ICURDATE = 0
             DO JJ=1,IDATES
               IF (TRIM(YDATENAME)==TRIM(TLFIDATES(JJ)%CNAME)) THEN
                 ICURDATE = JJ
                 EXIT
             END DO
             !
             IF (ICURDATE == 0) THEN
               !New date name detected
               IDATES = IDATES + 1
               IF (IDATES>MAXDATES) CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','too many dates, increase MAXDATES')
               ICURDATE = IDATES
             END IF
             TLFIDATES(ICURDATE)%CNAME = TRIM(YDATENAME)
             IF (IDXTIME>0) THEN
               IF (TLFIDATES(ICURDATE)%NIDX_TIME /= -1) &
                 CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','NIDX_TIME already set for '//TRIM(YDATENAME))
               TLFIDATES(ICURDATE)%NIDX_TIME = JI
               !Set variable name to truncated name (necessary to correctly identify the variable when read)
               tpreclist(ji)%name = TRIM(YDATENAME)
             END IF
             IF (IDXDATE>0) THEN
               IF (TLFIDATES(ICURDATE)%NIDX_DATE /= -1) &
                 CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','NIDX_DATE already set for '//TRIM(YDATENAME))
               TLFIDATES(ICURDATE)%NIDX_DATE = JI
               !Do not treat this variable (the date part will be read with the time part)
               tpreclist(ji)%name  = 'removed_date'
               tpreclist(ji)%tbw   = .FALSE.
               tpreclist(ji)%tbr   = .FALSE.
               tpreclist(ji)%found = .FALSE.
         END DO
         DO JI=1,IDATES
           IF (TLFIDATES(JI)%NIDX_DATE == -1 .OR. TLFIDATES(JI)%NIDX_TIME == -1) &
             CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','incomplete DATE/TIME fields for '//TRIM(TLFIDATES(JI)%CNAME))
         END DO

         !
       ELSE IF (INFILES(1)%TFILE%CFORMAT == 'NETCDF4') THEN
         DO ji=1,nbvar_infile
           status = NF90_INQUIRE_VARIABLE(kcdf_id,var_id, name = tpreclist(ji)%name)
           IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
           tpreclist(ji)%found  = .TRUE.
           CALL IO_GET_METADATA_NC4(kcdf_id,var_id,tpreclist(ji))
         END DO
       END IF

       maxvar = nbvar_infile
    ! Check if variable is in TFIELDLIST and populate corresponding metadata
      IF (runmode/=MODECDF2LFI .AND. options(OPTSPLIT)%set .AND. tpreclist(ji)%tbw) idx_out = idx_out + 1
      IF (.NOT.tpreclist(ji)%found .OR. tpreclist(ji)%calc ) CYCLE
      !
      !Do not treat dimension variables (they are automatically added when creating netCDF file)
      IF (      tpreclist(ji)%name == 'ni'          &
           .OR. tpreclist(ji)%name == 'nj'          &
           .OR. tpreclist(ji)%name == 'ni_u'        &
           .OR. tpreclist(ji)%name == 'nj_u'        &
           .OR. tpreclist(ji)%name == 'ni_v'        &
           .OR. tpreclist(ji)%name == 'nj_v'        &
           .OR. tpreclist(ji)%name == 'latitude'    &
           .OR. tpreclist(ji)%name == 'longitude'   &
           .OR. tpreclist(ji)%name == 'latitude_u'  &
           .OR. tpreclist(ji)%name == 'longitude_u' &
           .OR. tpreclist(ji)%name == 'latitude_v'  &
           .OR. tpreclist(ji)%name == 'longitude_v' &
           .OR. tpreclist(ji)%name == 'latitude_f'  &
           .OR. tpreclist(ji)%name == 'longitude_f' &
           .OR. tpreclist(ji)%name == 'level'       &
           .OR. tpreclist(ji)%name == 'level_w'     &
           .OR. tpreclist(ji)%name == 'time'        ) THEN
        tpreclist(ji)%tbw   = .FALSE.
        tpreclist(ji)%tbr   = .FALSE.
        tpreclist(ji)%found = .FALSE.
      ELSE
        CALL FIND_FIELD_ID_FROM_MNHNAME(tpreclist(ji)%name,IID,IRESP,ONOWARNING=.TRUE.)
          IF (runmode==MODELFI2CDF) THEN
            ALLOCATE(tpreclist(ji)%TDIMS(tpreclist(ji)%TFIELD%NDIMS))
            CALL IO_GUESS_DIMIDS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji)%TFIELD,&
                                     tpreclist(ji)%NSIZE,tpreclist(ji)%TDIMS,IRESP)
          ELSE !If we read netCDF4, we already have all necessary data
            CALL IO_FILL_DIMS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji),IRESP)
          ENDIF
          IF (IRESP/=0) THEN
            CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','can not guess dimensions for '//tpreclist(ji)%TFIELD%CMNHNAME// &
                                         ' => ignored')
            tpreclist(ji)%tbw   = .FALSE.
            tpreclist(ji)%tbr   = .FALSE.
            tpreclist(ji)%found = .FALSE.
            CYCLE
          END IF
        ELSE !Field not found in list, try to determine characteristics
          tpreclist(ji)%TFIELD%CMNHNAME = TRIM(tpreclist(ji)%name)
          tpreclist(ji)%TFIELD%CSTDNAME = ''
          tpreclist(ji)%TFIELD%CLONGNAME = TRIM(tpreclist(ji)%name)
          tpreclist(ji)%TFIELD%CUNITS = ''
          tpreclist(ji)%TFIELD%CDIR = 'XY' !Assumption...
          tpreclist(ji)%TFIELD%CLBTYPE = 'NONE'
          tpreclist(ji)%TFIELD%CCOMMENT = ''
          !
          IF (runmode==MODELFI2CDF) THEN
            tpreclist(ji)%TFIELD%NGRID = 1 !Assumption
            tpreclist(ji)%TFIELD%NTYPE = TYPEREAL !Assumption
            WRITE(YTYPE,'( A )') 'REAL (forced)'
            IF (tpreclist(ji)%NSIZE>1) THEN
              ALLOCATE(tpreclist(ji)%TDIMS(3))
              ! Determine TDIMS
              CALL PRINT_MSG(NVERB_DEBUG,'IO','parse_infiles',tpreclist(ji)%TFIELD%CMNHNAME//': try 3D')
              tpreclist(ji)%TFIELD%NDIMS = 3 !Try with 3D
              CALL IO_GUESS_DIMIDS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji)%TFIELD,&
                                      tpreclist(ji)%NSIZE,tpreclist(ji)%TDIMS,IRESP)
              !
              IF (IRESP/=0 .OR. tpreclist(ji)%TDIMS(3)%LEN==1) THEN
                CALL PRINT_MSG(NVERB_DEBUG,'IO','parse_infiles',tpreclist(ji)%TFIELD%CMNHNAME//': try 2D')
                !Try again with 2D
                tpreclist(ji)%TFIELD%NDIMS = 2
                CALL IO_GUESS_DIMIDS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji)%TFIELD,&
                                        tpreclist(ji)%NSIZE,tpreclist(ji)%TDIMS,IRESP)
              END IF
              !
              IF (IRESP/=0 .OR. tpreclist(ji)%TDIMS(2)%LEN==1) THEN
                CALL PRINT_MSG(NVERB_DEBUG,'IO','parse_infiles',tpreclist(ji)%TFIELD%CMNHNAME//': try 1D')
                !Try again with 1D
                tpreclist(ji)%TFIELD%NDIMS = 1
                tpreclist(ji)%TFIELD%CDIR = '--' !Assumption...
                CALL IO_GUESS_DIMIDS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji)%TFIELD,&
                                        tpreclist(ji)%NSIZE,tpreclist(ji)%TDIMS,IRESP)
              END IF
              !
              IF (IRESP/=0) THEN !Could not find valid characteristics
                tpreclist(ji)%tbw   = .FALSE.
                tpreclist(ji)%tbr   = .FALSE.
                tpreclist(ji)%found = .FALSE.
                CYCLE
              END IF
            ELSE !NSIZE==0
              tpreclist(ji)%TFIELD%CDIR = '--'
              tpreclist(ji)%TFIELD%NDIMS = 0
              tpreclist(ji)%TFIELD%NGRID = 0
            END IF
            tpreclist(ji)%TFIELD%LTIMEDEP = .FALSE. !Assumption
          ELSE ! Input file is netCDF
            tpreclist(ji)%TFIELD%NGRID = tpreclist(ji)%NGRID_FILE
            SELECT CASE(tpreclist(ji)%NTYPE_FILE)
              CASE (NF90_INT1) !NF90_INT1=NF90_BYTE
                tpreclist(ji)%TFIELD%NTYPE = TYPELOG
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%NDIMS_FILE
                WRITE(YTYPE,'( A )') 'LOGICAL'
              CASE (NF90_CHAR)
                tpreclist(ji)%TFIELD%NTYPE = TYPECHAR
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%NDIMS_FILE-1
                WRITE(YTYPE,'( A )') 'CHARACTER'
              CASE (NF90_INT,NF90_INT64)
                tpreclist(ji)%TFIELD%NTYPE = TYPEINT
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%NDIMS_FILE
                WRITE(YTYPE,'( A )') 'INTEGER'
              CASE (NF90_FLOAT,NF90_DOUBLE)
                tpreclist(ji)%TFIELD%NTYPE = TYPEREAL
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%NDIMS_FILE
                WRITE(YTYPE,'( A )') 'REAL'
              CASE DEFAULT
                tpreclist(ji)%TFIELD%NTYPE = TYPEUNDEF
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%NDIMS_FILE
                WRITE(YTYPE,'( A )') 'UNKNOWN'
            END SELECT

            tpreclist(ji)%TFIELD%CUNITS = tpreclist(ji)%CUNITS_FILE

            IF (tpreclist(ji)%TFIELD%NDIMS<2) THEN
              tpreclist(ji)%TFIELD%CDIR  = '--' !Assumption
            ELSE
              tpreclist(ji)%TFIELD%CDIR  = 'XY' !Assumption
            END IF

            CALL IO_FILL_DIMS_NC4(outfiles(idx_out)%TFILE,tpreclist(ji),IRESP)

            IF (tpreclist(ji)%NDIMS_FILE>0) THEN
              IF (tpreclist(ji)%CDIMNAMES_FILE(tpreclist(ji)%NDIMS_FILE)=='time') THEN
                tpreclist(ji)%TFIELD%NDIMS = tpreclist(ji)%TFIELD%NDIMS - 1
              END IF
            END IF
            !
            IF (IRESP/=0) THEN
              tpreclist(ji)%tbw   = .FALSE.
              tpreclist(ji)%tbr   = .FALSE.
              tpreclist(ji)%found = .FALSE.
            END IF
          END IF
          !
          IF (runmode==MODELFI2CDF) THEN
            tpreclist(ji)%TFIELD%NGRID = NGRIDUNKNOWN !Assumption
            IF(tpreclist(ji)%TFIELD%NDIMS == 0 .OR. tpreclist(ji)%TFIELD%NTYPE == TYPECHAR) THEN
              tpreclist(ji)%TFIELD%NGRID = 0
            END IF
          END IF
          !
          IF (.NOT.tpreclist(ji)%found) THEN
            CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','can not guess dimensions for '// &
                           TRIM(tpreclist(ji)%TFIELD%CMNHNAME)//' => ignored')
          ELSE
            IF (tpreclist(ji)%TFIELD%LTIMEDEP) THEN
              WRITE(YNDIMS,'( I1 )') tpreclist(ji)%TFIELD%NDIMS-1
              CALL PRINT_MSG(NVERB_WARNING,'IO','unknown field',tpreclist(ji)%TFIELD%CMNHNAME//' seems to be '// &
                             YNDIMS//'D of type '//TRIM(YTYPE)//' (time dependent)')
            ELSE
              WRITE(YNDIMS,'( I1 )') tpreclist(ji)%TFIELD%NDIMS
              CALL PRINT_MSG(NVERB_WARNING,'IO','unknown field',tpreclist(ji)%TFIELD%CMNHNAME//' seems to be '// &
                             YNDIMS//'D of type '//TRIM(YTYPE))
            END IF
          END IF
    IF (nbvar_calc>0) THEN
    !Calculated variables
    !Done after previous loop to reuse metadata from component variables
    !Derive metadata from its components
    !If same value for all components => take it
    !If not => nothing or default value
    !Check sizes: must be the same for all
    DO ji=1,maxvar
      IF (.NOT.tpreclist(ji)%calc ) CYCLE
      !
      tpreclist(ji)%TFIELD%CMNHNAME  = tpreclist(ji)%name
      tpreclist(ji)%TFIELD%CSTDNAME  = ''
      tpreclist(ji)%TFIELD%CLONGNAME = tpreclist(ji)%name
      !
      GOK = .TRUE.
      DO jj=1,tpreclist(ji)%NSRC
        idx_var = tpreclist(ji)%src(jj)
        IF(.NOT.tpreclist(idx_var)%found) THEN
          CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','some components for calculated variable ' &
                         //TRIM(tpreclist(ji)%name)//' are not known => ignored')
          tpreclist(ji)%tbw   = .FALSE.
          tpreclist(ji)%tbr   = .FALSE.
          tpreclist(ji)%found = .FALSE.
          GOK = .FALSE.
          EXIT
        END IF
      END DO
      !
      IF (GOK) THEN
        idx_var = tpreclist(ji)%src(1)
        tpreclist(ji)%TFIELD%CUNITS   = tpreclist(idx_var)%TFIELD%CUNITS
        tpreclist(ji)%TFIELD%CDIR     = tpreclist(idx_var)%TFIELD%CDIR
        tpreclist(ji)%TFIELD%CLBTYPE  = tpreclist(idx_var)%TFIELD%CLBTYPE
        tpreclist(ji)%TFIELD%CCOMMENT = TRIM(tpreclist(ji)%name)//'='//TRIM(tpreclist(idx_var)%name)
        IF (tpreclist(ji)%NSRC>1) tpreclist(ji)%TFIELD%CCOMMENT = TRIM(tpreclist(ji)%TFIELD%CCOMMENT)//'+'
        tpreclist(ji)%TFIELD%NGRID    = tpreclist(idx_var)%TFIELD%NGRID
        tpreclist(ji)%TFIELD%NTYPE    = tpreclist(idx_var)%TFIELD%NTYPE
        tpreclist(ji)%TFIELD%NDIMS    = tpreclist(idx_var)%TFIELD%NDIMS
#if 0
!PW: TODO?
        tpreclist(ji)%TFIELD%NFILLVALUE
        tpreclist(ji)%TFIELD%XFILLVALUE
        tpreclist(ji)%TFIELD%NVALIDMIN
        tpreclist(ji)%TFIELD%NVALIDMAX
        tpreclist(ji)%TFIELD%XVALIDMIN
        tpreclist(ji)%TFIELD%XVALIDMAX
#endif
        DO jj=2,tpreclist(ji)%NSRC
          idx_var = tpreclist(ji)%src(jj)
          !
          IF (tpreclist(ji)%TFIELD%CUNITS /= tpreclist(idx_var)%TFIELD%CUNITS) THEN
            CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','CUNITS is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name)//' => CUNITS not set')
            tpreclist(ji)%TFIELD%CUNITS = ''
          END IF
          !
          IF (tpreclist(ji)%TFIELD%CDIR /= tpreclist(idx_var)%TFIELD%CDIR) THEN
            CALL PRINT_MSG(NVERB_ERROR,'IO','parse_infiles','CDIR is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name)//' => CDIR=--')
            tpreclist(ji)%TFIELD%CDIR = '--'
          END IF
          !
          IF (tpreclist(ji)%TFIELD%CLBTYPE /= tpreclist(idx_var)%TFIELD%CLBTYPE) THEN
            CALL PRINT_MSG(NVERB_ERROR,'IO','parse_infiles','CLBTYPE is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name)//' => CLBTYPE=NONE')
            tpreclist(ji)%TFIELD%CLBTYPE = 'NONE'
          END IF
          !
          tpreclist(ji)%TFIELD%CCOMMENT = TRIM(tpreclist(ji)%TFIELD%CCOMMENT)//TRIM(tpreclist(idx_var)%name)
          IF (jj<tpreclist(ji)%NSRC) tpreclist(ji)%TFIELD%CCOMMENT = TRIM(tpreclist(ji)%TFIELD%CCOMMENT)//'+'
          !
          IF (tpreclist(ji)%TFIELD%NGRID /= tpreclist(idx_var)%TFIELD%NGRID) THEN
            CALL PRINT_MSG(NVERB_WARNING,'IO','parse_infiles','NGRID is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name)//' => NGRID=1')
            tpreclist(ji)%TFIELD%NGRID = 1
          END IF
          !
          IF (tpreclist(ji)%TFIELD%NTYPE /= tpreclist(idx_var)%TFIELD%NTYPE) THEN
            CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','NTYPE is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name))
            tpreclist(ji)%TFIELD%NTYPE = TYPEUNDEF
          END IF
          !
          IF (tpreclist(ji)%TFIELD%NDIMS /= tpreclist(idx_var)%TFIELD%NDIMS) THEN
            CALL PRINT_MSG(NVERB_FATAL,'IO','parse_infiles','NDIMS is not uniform between components of calculated variable '&
                           //TRIM(tpreclist(ji)%name))
          END IF
        END DO
        !
        ALLOCATE(tpreclist(ji)%TDIMS(tpreclist(ji)%TFIELD%NDIMS))
        tpreclist(ji)%TDIMS = tpreclist(idx_var)%TDIMS
  END SUBROUTINE parse_infiles
  
  SUBROUTINE HANDLE_ERR(status,line)
    INTEGER :: status,line

    IF (status /= NF90_NOERR) THEN
       PRINT *, 'line ',line,': ',NF90_STRERROR(status)
    END IF
  END SUBROUTINE HANDLE_ERR

  SUBROUTINE def_ncdf(outfiles,KNFILES_OUT)
    TYPE(TFILE_ELT),DIMENSION(:),INTENT(IN) :: outfiles
    INTEGER,                     INTENT(IN) :: KNFILES_OUT
    INTEGER(KIND=IDCDF_KIND) :: status
    INTEGER(KIND=IDCDF_KIND) :: kcdf_id
    CALL PRINT_MSG(NVERB_DEBUG,'IO','def_ncdf','called')

      CALL IO_WRITE_HEADER_NC4(outfiles(ji)%TFILE)
      WRITE(YMNHVERSION,"( I0,'.',I0,'.',I0 )" ) NMNHVERSION(1),NMNHVERSION(2),NMNHVERSION(3)
      status = NF90_PUT_ATT(kcdf_id,NF90_GLOBAL,'lfi2cdf_version',TRIM(YMNHVERSION))
      IF (status /= NF90_NOERR) CALL HANDLE_ERR(status,__LINE__)
    END DO
    
  END SUBROUTINE def_ncdf

  SUBROUTINE fill_files(infiles,outfiles,tpreclist,knaf,options)
    TYPE(TFILE_ELT),DIMENSION(:), INTENT(IN)    :: infiles
    TYPE(TFILE_ELT),DIMENSION(:), INTENT(IN)    :: outfiles
    TYPE(workfield), DIMENSION(:),INTENT(INOUT) :: tpreclist
    INTEGER,                      INTENT(IN)    :: knaf
    TYPE(option),DIMENSION(:),    INTENT(IN)    :: options
    INTEGER                                  :: idx, ji, jj
    INTEGER                                  :: IDIMS
    INTEGER                                  :: INSRC
    INTEGER                                  :: ISRC
    INTEGER(KIND=IDCDF_KIND),DIMENSION(NF90_MAX_VAR_DIMS) :: IDIMLEN

    CHARACTER(LEN=:),       ALLOCATABLE :: YTAB0D
    INTEGER,DIMENSION(:),   ALLOCATABLE :: ITAB1D, ITAB1D2
    INTEGER,DIMENSION(:,:), ALLOCATABLE :: ITAB2D, ITAB2D2
    LOGICAL,DIMENSION(:),   ALLOCATABLE :: GTAB1D
    REAL,DIMENSION(:),      ALLOCATABLE :: XTAB1D, XTAB1D2
    REAL,DIMENSION(:,:),    ALLOCATABLE :: XTAB2D, XTAB2D2
    REAL,DIMENSION(:,:,:),  ALLOCATABLE :: XTAB3D, XTAB3D2
    REAL,DIMENSION(:,:,:,:),ALLOCATABLE :: XTAB4D, XTAB4D2
    CALL PRINT_MSG(NVERB_DEBUG,'IO','fill_files','called')

      SELECT CASE(tpreclist(ji)%TFIELD%NTYPE)
      CASE (TYPEINT)
        IDIMLEN(1:IDIMS) = tpreclist(ji)%TDIMS(1:IDIMS)%LEN
        IF (.NOT.tpreclist(ji)%calc) THEN
          INSRC = 1
          ISRC = ji
        ELSE
          INSRC = tpreclist(ji)%NSRC
          ISRC  = tpreclist(ji)%src(1)
        SELECT CASE(IDIMS)
        CASE (0)
          ALLOCATE(ITAB1D(1))
          IF (tpreclist(ji)%calc) ALLOCATE(ITAB1D2(1))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB1D(1))
        CASE (1)
          ALLOCATE(ITAB1D(IDIMLEN(1)))
          IF (tpreclist(ji)%calc) ALLOCATE(ITAB1D2(IDIMLEN(1)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB1D)
        CASE (2)
          ALLOCATE(ITAB2D(IDIMLEN(1),IDIMLEN(2)))
          IF (tpreclist(ji)%calc) ALLOCATE(ITAB2D2(IDIMLEN(1),IDIMLEN(2)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB2D)
          CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','too many dimensions for ' &
                         //TRIM(tpreclist(ISRC)%name)//' => ignored')
          CYCLE
        END SELECT

        DO JJ=2,INSRC
          ISRC = tpreclist(ji)%src(jj)

          SELECT CASE(IDIMS)
          CASE (0)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB1D2(1))
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB1D2)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,ITAB2D2)
            ITAB2D(:,:) = ITAB2D(:,:) + ITAB2D2(:,:)
          END SELECT
        END DO

        SELECT CASE(IDIMS)
        CASE (0)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,ITAB1D(1))
          DEALLOCATE(ITAB1D)
          IF (tpreclist(ji)%calc) DEALLOCATE(ITAB1D2)
        CASE (1)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,ITAB1D)
          DEALLOCATE(ITAB1D)
          IF (tpreclist(ji)%calc) DEALLOCATE(ITAB1D2)
        CASE (2)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,ITAB2D)
          DEALLOCATE(ITAB2D)
          IF (tpreclist(ji)%calc) DEALLOCATE(ITAB2D2)
        END SELECT


        CASE (TYPELOG)
        IDIMLEN(1:IDIMS) = tpreclist(ji)%TDIMS(1:IDIMS)%LEN

        SELECT CASE(IDIMS)
        CASE (0)
          ALLOCATE(GTAB1D(1))
          CALL IO_READ_FIELD (INFILES(1)%TFILE,   tpreclist(ji)%TFIELD,GTAB1D(1))
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,GTAB1D(1))
          DEALLOCATE(GTAB1D)
        CASE (1)
          ALLOCATE(GTAB1D(IDIMLEN(1)))
          CALL IO_READ_FIELD (INFILES(1)%TFILE,   tpreclist(ji)%TFIELD,GTAB1D)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,GTAB1D)
          CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','too many dimensions for ' &
                         //TRIM(tpreclist(ISRC)%name)//' => ignored')
          CYCLE
        END SELECT

      CASE (TYPEREAL)
        IDIMLEN(1:IDIMS) = tpreclist(ji)%TDIMS(1:IDIMS)%LEN
        IF (.NOT.tpreclist(ji)%calc) THEN
          INSRC = tpreclist(ji)%NSRC
          ISRC  = tpreclist(ji)%src(1)
          ALLOCATE(XTAB1D(1))
          IF (tpreclist(ji)%calc) ALLOCATE(XTAB1D2(1))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB1D(1))
        CASE (1)
          ALLOCATE(XTAB1D(IDIMLEN(1)))
          IF (tpreclist(ji)%calc) ALLOCATE(XTAB1D2(IDIMLEN(1)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB1D)
        CASE (2)
          ALLOCATE(XTAB2D(IDIMLEN(1),IDIMLEN(2)))
          IF (tpreclist(ji)%calc) ALLOCATE(XTAB2D2(IDIMLEN(1),IDIMLEN(2)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB2D)
        CASE (3)
          ALLOCATE(XTAB3D(IDIMLEN(1),IDIMLEN(2),IDIMLEN(3)))
          IF (tpreclist(ji)%calc) ALLOCATE(XTAB3D2(IDIMLEN(1),IDIMLEN(2),IDIMLEN(3)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB3D)
        CASE (4)
          ALLOCATE(XTAB4D(IDIMLEN(1),IDIMLEN(2),IDIMLEN(3),IDIMLEN(4)))
          IF (tpreclist(ji)%calc) ALLOCATE(XTAB4D2(IDIMLEN(1),IDIMLEN(2),IDIMLEN(3),IDIMLEN(4)))
          CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB4D)
        CASE DEFAULT
          CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','too many dimensions for ' &
                         //TRIM(tpreclist(ISRC)%name)//' => ignored')
          CYCLE
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB1D2(1))
            XTAB1D(1) = XTAB1D(1) + XTAB1D2(1)
          CASE (1)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB1D2)
            XTAB1D(:) = XTAB1D(:) + XTAB1D2(:)
          CASE (2)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB2D2)
            XTAB2D(:,:) = XTAB2D(:,:) + XTAB2D2(:,:)
          CASE (3)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB3D2)
            XTAB3D(:,:,:) = XTAB3D(:,:,:) + XTAB3D2(:,:,:)
          CASE (4)
            CALL IO_READ_FIELD(INFILES(1)%TFILE,tpreclist(ISRC)%TFIELD,XTAB4D2)
            XTAB4D(:,:,:,:) = XTAB4D(:,:,:,:) + XTAB4D2(:,:,:,:)
          END SELECT
        END DO
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,XTAB1D(1))
          DEALLOCATE(XTAB1D)
          IF (tpreclist(ji)%calc) DEALLOCATE(XTAB1D2)
        CASE (1)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,XTAB1D)
          DEALLOCATE(XTAB1D)
          IF (tpreclist(ji)%calc) DEALLOCATE(XTAB1D2)
        CASE (2)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,XTAB2D)
          DEALLOCATE(XTAB2D)
          IF (tpreclist(ji)%calc) DEALLOCATE(XTAB2D2)
        CASE (3)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,XTAB3D)
          DEALLOCATE(XTAB3D)
          IF (tpreclist(ji)%calc) DEALLOCATE(XTAB3D2)
        CASE (4)
          CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,XTAB4D)
          DEALLOCATE(XTAB4D)
          IF (tpreclist(ji)%calc) DEALLOCATE(XTAB4D2)
        END SELECT
          CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','too many dimensions for ' &
                         //TRIM(tpreclist(ISRC)%name)//' => ignored')
          CYCLE
        END IF
        ALLOCATE(CHARACTER(LEN=tpreclist(ji)%NSIZE)::YTAB0D)
        CALL IO_READ_FIELD (INFILES(1)%TFILE,   tpreclist(ji)%TFIELD,YTAB0D)
        CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,YTAB0D)
          CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','too many dimensions for ' &
                         //TRIM(tpreclist(ISRC)%name)//' => ignored')
          CYCLE
        END IF
        CALL IO_READ_FIELD (INFILES(1)%TFILE,   tpreclist(ji)%TFIELD%CMNHNAME,TZDATE)
        CALL IO_WRITE_FIELD(outfiles(idx)%TFILE,tpreclist(ji)%TFIELD,TZDATE)
        CALL PRINT_MSG(NVERB_WARNING,'IO','fill_files','invalid datatype for ' &
  END SUBROUTINE fill_files
  SUBROUTINE OPEN_FILES(infiles,outfiles,KNFILES_OUT,hinfile,houtfile,nbvar_infile,options,runmode)
    USE MODD_CONF,          ONLY: LCARTESIAN
    USE MODD_CONF_n,        ONLY: CSTORAGE_TYPE
    USE MODD_DIM_n,         ONLY: NIMAX_ll, NJMAX_ll, NKMAX
    USE MODD_GRID,          ONLY: XBETA, XRPK, XLAT0, XLON0, XLATORI, XLONORI
    USE MODD_GRID_n,        ONLY: LSLEVE, XXHAT, XYHAT, XZHAT
    USE MODD_PARAMETERS,    ONLY: JPHEXT
    USE MODD_PARAMETERS_ll, ONLY: JPHEXT_ll=>JPHEXT, JPVEXT_ll=>JPVEXT
    USE MODE_FM,               ONLY: IO_FILE_OPEN_ll, IO_FILE_CLOSE_ll
    USE MODE_IO_MANAGE_STRUCT, ONLY: IO_FILE_ADD2LIST
    TYPE(TFILE_ELT),DIMENSION(:),INTENT(OUT) :: infiles
    TYPE(TFILE_ELT),DIMENSION(:),INTENT(OUT) :: outfiles
    INTEGER,                     INTENT(OUT) :: KNFILES_OUT
    CHARACTER(LEN=*),            INTENT(IN)  :: hinfile
    CHARACTER(LEN=*),            INTENT(IN)  :: houtfile
    INTEGER,                     INTENT(OUT) :: nbvar_infile
    TYPE(option),DIMENSION(:),   INTENT(IN)  :: options
    INTEGER,                     INTENT(IN)  :: runmode

    INTEGER(KIND=IDCDF_KIND)    :: omode
    INTEGER(KIND=IDCDF_KIND)    :: status
    INTEGER(KIND=LFI_INT)       :: ilu,iresp


    CALL PRINT_MSG(NVERB_DEBUG,'IO','OPEN_FILES','called')

    !
    ! Infiles
    !
    IF (runmode == MODECDF2CDF .OR. runmode == MODECDF2LFI) THEN
       !
       ! NetCDF
       !
       CALL IO_FILE_ADD2LIST(INFILES(1)%TFILE,HINFILE,'UNKNOWN','READ',HFORMAT='NETCDF4')
       CALL IO_FILE_OPEN_ll(INFILES(1)%TFILE)
       nbvar_infile = INFILES(1)%TFILE%NNCNAR
       CALL IO_FILE_ADD2LIST(INFILES(1)%TFILE,HINFILE,'UNKNOWN','READ', &
       CALL IO_FILE_OPEN_ll(INFILES(1)%TFILE)
       ilu = INFILES(1)%TFILE%NLFIFLU
       nbvar_infile = INFILES(1)%TFILE%NLFININAR
          CALL LFILAF(iresp,ilu,lfalse)
          CALL IO_FILE_CLOSE_ll(INFILES(1)%TFILE)
   !Read problem dimensions and some grid variables (needed to determine domain size and also by IO_FILE_OPEN_ll to create netCDF files)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'JPHEXT',JPHEXT)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'IMAX',NIMAX_ll)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'JMAX',NJMAX_ll)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'KMAX',NKMAX,IRESP2)
   IF (IRESP2/=0) NKMAX = 0
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'PROGRAM',CPROGRAM_ORIG)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'STORAGE_TYPE',CSTORAGE_TYPE)
   ALLOCATE(XXHAT(NIMAX_ll+2*JPHEXT))
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'XHAT',XXHAT)
   ALLOCATE(XYHAT(NJMAX_ll+2*JPHEXT))
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'YHAT',XYHAT)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'CARTESIAN',LCARTESIAN)
   !
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'LAT0',XLAT0)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'LON0',XLON0)
   CALL IO_READ_FIELD(INFILES(1)%TFILE,'BETA',XBETA)
   IF (.NOT.LCARTESIAN) THEN
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'RPK',   XRPK)
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'LATORI',XLATORI)
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'LONORI',XLONORI)
   ENDIF
   !
   IF (TRIM(CPROGRAM_ORIG)/='PGD' .AND. TRIM(CPROGRAM_ORIG)/='NESPGD' .AND. TRIM(CPROGRAM_ORIG)/='ZOOMPG' &
       .AND. .NOT.(TRIM(CPROGRAM_ORIG)=='REAL' .AND. CSTORAGE_TYPE=='SU') ) THEN !condition to detect PREP_SURFEX
     ALLOCATE(XZHAT(NKMAX+2*JPVEXT))
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'ZHAT',XZHAT)
     ALLOCATE(LSLEVE)
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'SLEVE',LSLEVE)
     ALLOCATE(TDTMOD)
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'DTMOD',TDTMOD,IRESP2)
     IF(IRESP2/=0) DEALLOCATE(TDTMOD)
     ALLOCATE(TDTCUR)
     CALL IO_READ_FIELD(INFILES(1)%TFILE,'DTCUR',TDTCUR,IRESP2)
     IF(IRESP2/=0) DEALLOCATE(TDTCUR)
   ! Outfiles
   !
   IF (runmode == MODELFI2CDF .OR. runmode == MODECDF2CDF) THEN