source: IOIPSL/trunk/src/flincom.f90 @ 5793

MODULE flincom
!-
!$Id$
!-
! This software is governed by the CeCILL license
! See IOIPSL/IOIPSL_License_CeCILL.txt
!---------------------------------------------------------------------
  USE netcdf
!-
  USE calendar,  ONLY : ju2ymds, ymds2ju, ioconf_calendar
  USE errioipsl, ONLY : histerr, ipslout,ipslerr,ipsldbg
  USE stringop,  ONLY : strlowercase
!-
  IMPLICIT NONE
!-
  PRIVATE
  PUBLIC :: flinput, flincre, flinget, flinclo, &
            flinopen, flininfo, flininspect, flinquery_var
!-
  INTERFACE flinopen
!---------------------------------------------------------------------
!- The "flinopen" routines will open an input file
!-
!- INPUT
!-
!- filename  : Name of the netCDF file to be opened
!-
!- iideb     : index i for zoom     !
!- iilen     : length  of  zoom     !   for
!- jjdeb     : index j for zoom     !   zoom
!- jjlen     : length  of  zoom     !
!-
!- do_test   : A flag that enables the testing of the content
!-             of the file against the input from the model
!-
!- INPUT if do_test=TRUE      OUTPUT else
!-
!- iim       : size in the x direction in the file (longitude)
!- jjm       : size in the y direction
!- llm       : number of levels
!-             (llm = 0 means no axis to be expected)
!- lon       : array of (iilen,jjlen) (zoom), or (iim,jjm) (no zoom),
!-             that contains the longitude of each point
!- lat       : same for latitude
!- lev       : An array of llm for the latitude
!-
!- WARNING :
!- In the case of do_test=FALSE it is for the user to check
!- that the dimensions of lon lat and lev are correct when passed to
!- flinopen. This can be done after the call when iim and jjm have
!- been retrieved from the netCDF file. In F90 this problem will
!- be solved with an internal assign
!- IF iim, jjm, llm or ttm are parameters in the calling program and
!- you use the option do_test=FALSE it will create a segmentation fault
!-
!-  OUTPUT
!-
!-  ttm       : size of time axis
!-  itaus     : Time steps within this file
!-  date0     : Julian date at which itau = 0
!-  dt        : length of the time steps of the data
!-  fid       : returned file ID which is later used to read the data
!---------------------------------------------------------------------
    MODULE PROCEDURE flinopen_zoom2d, flinopen_nozoom
  END INTERFACE
!-
  INTERFACE flinput
!---------------------------------------------------------------------
!- The "flinput" routines will put a variable
!- on the netCDF file created by flincre.
!- If the sizes of the axis do not match the one of the IDs
!- then a new axis is created.
!- That is we loose the possibility of writting hyperslabs of data.
!-
!- Again here if iim = jjm = llm = ttm = 0
!- then a global attribute is added to the file.
!-
!- INPUT
!-
!- fid      : Identification of the file in which we will write
!- varname  : Name of variable to be written
!- iim      : size in x of variable
!- nlonid   : ID of x axis which could fit for this axis
!- jjm      : size in y of variable
!- nlatid   : ID of y axis which could fit for this axis
!- llm      : size in z of variable
!- zdimid   : ID of z axis which could fit for this axis
!- ttm      : size in t of variable
!- tdimid   : ID of t axis which could fit for this axis
!-
!- OUTPUT
!-
!- NONE
!---------------------------------------------------------------------
    MODULE PROCEDURE flinput_r4d, flinput_r3d, flinput_r2d, &
                     flinput_r1d, flinput_scal
  END INTERFACE
!-
  INTERFACE flinget
    MODULE PROCEDURE flinget_r4d, flinget_r3d, flinget_r2d, &
                     flinget_r1d, flinget_scal, &
                     flinget_r4d_zoom2d, flinget_r3d_zoom2d, &
                     flinget_r2d_zoom2d
  END INTERFACE
!-
! This is the data we keep on each file we open
!-
  INTEGER, PARAMETER :: nbfile_max = 200
  INTEGER, SAVE :: nbfiles = 0
  INTEGER, SAVE :: ncids(nbfile_max), ncnbd(nbfile_max), &
                   ncfunli(nbfile_max), ncnba(nbfile_max)
  INTEGER, SAVE :: ncnbva(nbfile_max), ncdims(nbfile_max,4)
  LOGICAL, SAVE :: ncfileopen(nbfile_max)=.FALSE.
!-
  INTEGER, SAVE :: cind_vid, cind_fid, cind_len
  INTEGER,DIMENSION(:),ALLOCATABLE,SAVE :: cindex
!-
  INTEGER,DIMENSION(4) :: w_sta, w_len, w_dim
!-
CONTAINS
!-
!===
!-
SUBROUTINE flincre &
  (filename, iim1, jjm1, lon1, lat1, llm1, lev1, ttm1, itaus, &
   time0, dt, fid_out, nlonid1, nlatid1, zdimid1, tdimid1)
!---------------------------------------------------------------------
!- This is a "low level" subroutine for opening netCDF files wich
!- contain the major coordinate system of the model.
!- Other coordinates needed for other variables
!- will be added as they are needed.
!-
!- INPUT
!-
!- filename    : Name of the file to be created
!- iim1, jjm1  : Horizontal size of the grid
!-               which will be stored in the file
!- lon1, lat1  : Horizontal grids
!- llm1        : Size of the vertical grid
!- lev1        : Vertical grid
!- ttm1        : Size of time axis
!- itaus       : time steps on the time axis
!- time0       : Time in julian days at which itau = 0
!- dt          : time step in seconds between itaus
!-               (one step of itau)
!-
!- OUTPUT
!-
!- fid         : File identification
!- nlonid1     : Identification of longitudinal axis
!- nlatid1     : Identification of latitudinal axis
!- zdimid1     : ID of vertical axis
!- tdimid1     : ID of time axis
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  CHARACTER(LEN=*) :: filename
  INTEGER :: iim1, jjm1, llm1, ttm1
  REAL :: lon1(iim1,jjm1)
  REAL :: lat1(iim1,jjm1)
  REAL :: lev1(llm1)
  INTEGER :: itaus(ttm1)
  REAL :: time0
  REAL :: dt
  INTEGER :: fid_out, zdimid1, nlonid1, nlatid1, tdimid1
!-
! LOCAL
!-
  INTEGER :: iret, lll, fid
  INTEGER :: lonid, latid, levid, timeid
  INTEGER :: year, month, day
  REAL :: sec
  CHARACTER(LEN=250):: name
!-
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  lll = LEN_TRIM(filename)
  IF (filename(lll-2:lll) /= '.nc') THEN
    name=filename(1:lll)//'.nc'
  ELSE
    name=filename(1:lll)
  ENDIF
!-
  iret = NF90_CREATE (name, NF90_CLOBBER, fid)
!-
  iret = NF90_DEF_DIM (fid, 'x',     iim1, nlonid1)
  iret = NF90_DEF_DIM (fid, 'y',     jjm1, nlatid1)
  iret = NF90_DEF_DIM (fid, 'lev',   llm1, zdimid1)
  iret = NF90_DEF_DIM (fid, 'tstep', ttm1, tdimid1)
!-
! Vertical axis
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Vertical axis'
!-
  iret = NF90_DEF_VAR (fid, 'lev', NF90_FLOAT, zdimid1, levid)
  iret = NF90_PUT_ATT (fid, levid, 'units',     '-')
  iret = NF90_PUT_ATT (fid, levid, 'title',     'levels')
  iret = NF90_PUT_ATT (fid, levid, 'long_name', 'Sigma Levels')
!-
! Time axis
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre time axis'
!-
  iret = NF90_DEF_VAR (fid, 'tstep', NF90_FLOAT, tdimid1, timeid)
  iret = NF90_PUT_ATT (fid, timeid, 'units',     '-')
  iret = NF90_PUT_ATT (fid, timeid, 'title',     'time')
  iret = NF90_PUT_ATT (fid, timeid, 'long_name', 'time steps')
!-
! The longitude
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Longitude axis'
!-
  iret = NF90_DEF_VAR (fid, "nav_lon", NF90_FLOAT, &
                       (/ nlonid1, nlatid1 /), lonid)
  iret = NF90_PUT_ATT (fid, lonid, 'units', "degrees_east")
  iret = NF90_PUT_ATT (fid, lonid, 'title', "Longitude")
  iret = NF90_PUT_ATT (fid, lonid, 'nav_model', &
                       "Lambert projection of PROMES")
  iret = NF90_PUT_ATT (fid, lonid, 'valid_min', &
                       REAL(MINVAL(lon1),KIND=4))
  iret = NF90_PUT_ATT (fid, lonid, 'valid_max', &
                       REAL(MAXVAL(lon1),KIND=4))
!-
! The Latitude
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Latitude axis'
!-
  iret = NF90_DEF_VAR (fid, "nav_lat", NF90_FLOAT, &
                     (/ nlonid1, nlatid1 /), latid)
  iret = NF90_PUT_ATT (fid, latid, 'units', "degrees_north")
  iret = NF90_PUT_ATT (fid, latid, 'title', "Latitude")
  iret = NF90_PUT_ATT (fid, latid, 'nav_model', &
                       "Lambert projection of PROMES")
  iret = NF90_PUT_ATT (fid, latid, 'valid_min', &
                       REAL(MINVAL(lat1),KIND=4))
  iret = NF90_PUT_ATT (fid, latid, 'valid_max', &
                       REAL(MAXVAL(lat1),KIND=4))
!-
! The time coordinates
!-
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, 'delta_tstep_sec', &
                       REAL(dt,KIND=4))
!-
  CALL ju2ymds (time0, year, month, day, sec)
!-
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, 'year0',  REAL(year,KIND=4))
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, 'month0', REAL(month,KIND=4))
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, 'day0',   REAL(day,KIND=4))
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, 'sec0',   REAL(sec,KIND=4))
!-
  iret = NF90_ENDDEF (fid)
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Variable'
!-
  iret = NF90_PUT_VAR (fid, levid, lev1(1:llm1))
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Time Variable'
!-
  iret = NF90_PUT_VAR (fid, timeid, REAL(itaus(1:ttm1)))
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Longitude'
!-
  iret = NF90_PUT_VAR (fid, lonid, lon1(1:iim1,1:jjm1))
!-
  IF (l_dbg) WRITE(ipslout,*) 'flincre Latitude'
!-
  iret = NF90_PUT_VAR (fid, latid, lat1(1:iim1,1:jjm1))
!-
! Keep all this information
!-
  nbfiles = nbfiles+1
!-
  IF (nbfiles > nbfile_max) THEN
    CALL histerr (3,'flincre', &
     'Too many files. Please increase nbfil_max', &
     'in program flincom.F90.',' ')
  ENDIF
!-
  ncids(nbfiles) = fid
  ncnbd(nbfiles) = 4
!-
  ncdims(nbfiles,1:4) = (/ iim1, jjm1, llm1, ttm1 /)
!-
  ncfunli(nbfiles) = -1
  ncnba(nbfiles)   =  4
  ncnbva(nbfiles)  =  0
  ncfileopen(nbfiles) = .TRUE.
!-
  fid_out = nbfiles
!---------------------
END SUBROUTINE flincre
!-
!===
!-
SUBROUTINE flinopen_zoom2d &
  (filename, iideb, iilen, jjdeb, jjlen, do_test, &
  iim, jjm, llm, lon, lat, lev, ttm, itaus, date0, dt, fid_out)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  CHARACTER(LEN=*) :: filename
  LOGICAL :: do_test
  INTEGER :: iim, jjm, llm, ttm, iideb, iilen, jjdeb, jjlen
  REAL :: lon(iilen,jjlen), lat(iilen,jjlen), lev(llm)
  INTEGER :: itaus(ttm)
  REAL :: date0, dt
  INTEGER :: fid_out
!-
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) WRITE (*,*) ' iideb, iilen, jjdeb, jjlen, iim, jjm ', &
                           iideb, iilen, jjdeb, jjlen, iim, jjm
  IF (l_dbg) WRITE (*,*) ' lon ', lon(1,1), lon(iilen,jjlen)
  IF (l_dbg) WRITE (*,*) ' lat ', lat(1,1), lat(iilen,jjlen)
!-
  CALL flinopen_work &
    (filename, iideb, iilen, jjdeb, jjlen, do_test, &
     iim, jjm, llm, lon, lat, lev, ttm, itaus, date0, dt, fid_out)
!-----------------------------
END SUBROUTINE flinopen_zoom2d
!-
!===
!-
SUBROUTINE flinopen_nozoom &
  (filename, do_test, iim, jjm, llm, lon, lat, lev, ttm, &
   itaus, date0, dt, fid_out)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  CHARACTER(LEN=*) :: filename
  LOGICAL :: do_test
  INTEGER :: iim, jjm, llm, ttm
  REAL :: lon(iim,jjm), lat(iim,jjm), lev(llm)
  INTEGER :: itaus(ttm)
  REAL :: date0, dt
  INTEGER :: fid_out
  INTEGER :: iimc, jjmc
!---------------------------------------------------------------------
  iimc=iim
  jjmc=jjm
  CALL flinopen_work &
    (filename, 1, iimc, 1, jjmc, do_test, &
     iim, jjm, llm, lon, lat, lev, ttm, itaus, date0, dt, fid_out)
!-------------------------
END SUBROUTINE flinopen_nozoom
!-
!===
!-
SUBROUTINE flinopen_work &
  (filename, iideb, iilen, jjdeb, jjlen, do_test, &
   iim, jjm, llm, lon, lat, lev, ttm, itaus, date0, dt, fid_out)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  CHARACTER(LEN=*) :: filename
  LOGICAL :: do_test
  INTEGER :: iim, jjm, llm, ttm, iideb, iilen, jjdeb, jjlen
  REAL :: lon(iilen,jjlen), lat(iilen,jjlen), lev(llm)
  INTEGER :: itaus(ttm)
  REAL :: date0, dt
  INTEGER :: fid_out
!-
! LOCAL
!-
  REAL, PARAMETER :: eps = 1.e-4
!-
  INTEGER :: iret, vid, fid, nbdim, i, iilast, jjlast
  INTEGER :: gdtt_id, old_id, iv, gdtmaf_id
  CHARACTER(LEN=250) :: name
  CHARACTER(LEN=80) :: units, calendar
  INTEGER :: tmp_iim, tmp_jjm, tmp_llm, tmp_ttm
  REAL :: x_first, x_last
  INTEGER :: year, month, day
  REAL :: r_year, r_month, r_day
  INTEGER :: year0, month0, day0, hours0, minutes0, seci
  REAL :: sec, sec0
  CHARACTER :: strc
!-
  REAL,DIMENSION(:),ALLOCATABLE :: vec_tmp
!-
  LOGICAL :: open_file
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  iilast = iideb+iilen-1
  jjlast = jjdeb+jjlen-1
  IF (l_dbg) WRITE (*,*) &
    ' flinopen_work zoom 2D information '// &
    ' iideb, iilen, iilast, jjdeb, jjlen, jjlast ', &
      iideb, iilen, iilast, jjdeb, jjlen, jjlast
!-
! 1.0 get all infos on the file
!-
! Either the fid_out has not been initialized (0 or very large)
! then we have to open anyway. Else we only need to open the file
! if it has not been opened before.
!-
  IF ( (fid_out < 1).OR.(fid_out > nbfile_max) ) THEN
    open_file = .TRUE.
  ELSE IF (.NOT.ncfileopen(fid_out)) THEN
    open_file = .TRUE.
  ELSE
    open_file = .FALSE.
  ENDIF
!-
  IF (open_file) THEN
    CALL flininfo (filename,tmp_iim,tmp_jjm,tmp_llm,tmp_ttm,fid_out)
  ELSE
!-- The user has already opened the file
!-- and we trust that he knows the dimensions
    tmp_iim = iim
    tmp_jjm = jjm
    tmp_llm = llm
    tmp_ttm = ttm
  ENDIF
!-
  IF (l_dbg) &
    WRITE(ipslout,*) 'OUT OF flininfo :',tmp_iim,tmp_jjm,tmp_llm,tmp_ttm
!-
  fid = ncids(fid_out)
!-
! 2.0 get the sizes and names of the different coordinates
!     and do a first set of verification.
!-
! 2.2 We test the axis if we have to.
!-
  IF (l_dbg) &
    WRITE(ipslout,*) 'flininfo 2.2 We test if we have to test : ',do_test
!-
  IF (do_test) THEN
    IF      (iim /= tmp_iim) THEN
      CALL histerr (3,'flinopen', &
        'file '//filename//' does not have the ', &
        'required dimension in x direction (longitude)',' ')
    ELSE IF (jjm /= tmp_jjm) THEN
      CALL histerr (3,'flinopen', &
        'file '//filename//' does not have the ', &
        'required dimension in y direction (latitude)',' ')
    ELSE IF ( llm /= tmp_llm .AND. llm > 0 ) THEN
      CALL histerr (3,'flinopen', &
        'file '//filename//' does not have the ', &
        'required dimension in the vertical',' ')
    ENDIF
  ELSE
!---
!-- 2.3 Else the sizes of the axes are returned to the user
!---
    IF (l_dbg) WRITE(ipslout,*) 'flinopen 2.3 Else sizes are returned'
!---
    iim = tmp_iim
    jjm = tmp_jjm
    llm = tmp_llm
  ENDIF
!-
  ttm = tmp_ttm
!-
! 3.0 Check if we are realy talking about the same coodinate system
!     if not then we get the lon, lat and lev variables from the file
!-
  IF (l_dbg) WRITE(ipslout,*) 'flinopen 3.0 we are realy talking'
!-
  IF (do_test) THEN
!---
    CALL flinfindcood (fid_out, 'lon', vid, nbdim)
    iret = NF90_GET_VAR (fid, vid, x_first, start=(/ iideb, jjdeb /))
    iret = NF90_GET_VAR (fid, vid, x_last, start=(/ iilast, jjlast /))
!---
    IF (l_dbg) &
      WRITE(ipslout,*) 'from file lon first and last, modulo 360. ', &
        x_first, x_last, MODULO(x_first,360.), MODULO(x_last,360.)
    IF (l_dbg) &
      WRITE(ipslout,*) 'from model lon first and last, modulo 360. ', &
        lon(1,1),lon(iilen,jjlen), &
        MODULO(lon(1,1),360.), MODULO(lon(iilen,jjlen),360.)
    IF (    (ABS( MODULO(x_first,360.) &
                 -MODULO(lon(1,1),360.)) > eps) &
        .OR.(ABS( MODULO(x_last,360.) &
                 -MODULO(lon(iilen ,jjlen),360.)) > eps ) ) THEN
      CALL histerr (3,'flinopen', &
        'file '//filename//' and the model do not', &
        'share the same longitude coordinate', &
        'Obtained by comparing the first and last values ')
    ENDIF
!---
    CALL flinfindcood (fid_out, 'lat', vid, nbdim)
    iret = NF90_GET_VAR (fid, vid, x_first, start=(/ iideb, jjdeb /))
    iret = NF90_GET_VAR (fid, vid, x_last, start=(/ iilast, jjlast /))
!---
    IF (l_dbg) WRITE(ipslout,*) &
      'from file lat first and last ',x_first,x_last
    IF (l_dbg) WRITE(ipslout,*) &
      'from model lat first and last ',lat(1,1),lat(iilen,jjlen)
!---
    IF (    (ABS(x_first-lat(1,1)) > eps) &
        .OR.(ABS(x_last-lat(iilen,jjlen)) > eps) ) THEN
      CALL histerr (3,'flinopen', &
        'file '//filename//' and the model do not', &
        'share the same latitude coordinate', &
        'Obtained by comparing the first and last values ')
    ENDIF
!---
    IF (llm > 0) THEN
      CALL flinfindcood (fid_out, 'lev', vid, nbdim)
      iret = NF90_GET_VAR (fid, vid, x_first, start=(/ 1 /))
      iret = NF90_GET_VAR (fid, vid, x_last, start=(/ llm /))
!-----
      IF (l_dbg) WRITE(ipslout,*) &
        'from file lev first and last ',x_first ,x_last
      IF (l_dbg) WRITE(ipslout,*) &
        'from model lev first and last ',lev(1),lev(llm)
!-----
      IF (    (ABS(x_first-lev(1)) > eps) &
          .OR.(ABS(x_last-lev(llm)) > eps) ) THEN
        CALL histerr (3,'flinopen', &
          'file '//filename//' and the model do not', &
          'share the same vertical coordinate', &
          'Obtained by comparing the first and last values')
      ENDIF
    ENDIF
!---
  ELSE
!---
!-- 4.0 extracting the coordinates if we do not check
!---
    IF (l_dbg) WRITE(ipslout,*) 'flinopen 4.0 extracting the coordinates'
!---
    CALL flinfindcood (fid_out, 'lon', vid, nbdim)
    IF (nbdim == 2) THEN
      iret = NF90_GET_VAR (fid, vid, lon, &
               start=(/ iideb, jjdeb /), count=(/ iilen, jjlen /))
    ELSE
      ALLOCATE(vec_tmp(iilen))
      iret = NF90_GET_VAR (fid, vid, vec_tmp, &
               start=(/ iideb /), count=(/ iilen /))
      DO i=1,jjlen
        lon(:,i) = vec_tmp(:)
      ENDDO
      DEALLOCATE(vec_tmp)
    ENDIF
!---
    CALL flinfindcood (fid_out, 'lat', vid, nbdim)
    IF (nbdim == 2) THEN
      iret = NF90_GET_VAR (fid, vid, lat, &
               start=(/ iideb, jjdeb /), count=(/ iilen, jjlen /))
    ELSE
      ALLOCATE(vec_tmp(jjlen))
      iret = NF90_GET_VAR (fid, vid, vec_tmp, &
               start=(/ jjdeb /), count=(/ jjlen /))
      DO i=1,iilen
        lat(i,:) = vec_tmp(:)
      ENDDO
      DEALLOCATE(vec_tmp)
    ENDIF
!---
    IF (llm > 0) THEN
      CALL flinfindcood (fid_out, 'lev', vid, nbdim)
      IF (nbdim == 1) THEN
        iret = NF90_GET_VAR (fid, vid, lev, &
                 start=(/ 1 /), count=(/ llm /))
      ELSE
        CALL histerr (3,'flinopen', &
          'Can not handle vertical coordinates that have more',&
          'than 1 dimension',' ')
      ENDIF
    ENDIF
  ENDIF
!-
! 5.0 Get all the details for the time if possible needed
!-
  IF (l_dbg) WRITE(ipslout,*) 'flinopen 5.0 Get time'
!-
  IF (ttm > 0) THEN
!---
!-- 5.1 Find the time axis. Prefered method is the 'timestep since'
!---
    gdtmaf_id = -1
    gdtt_id = -1
    old_id = -1
    DO iv=1,ncnbva(fid_out)
      name=''
      iret = NF90_INQUIRE_VARIABLE (fid, iv, name=name)
      units=''
      iret = NF90_GET_ATT (fid, iv, 'units', units)
      IF (INDEX(units,'seconds since') > 0) gdtmaf_id = iv
      IF (INDEX(units,'timesteps since') > 0) gdtt_id = iv
      IF (INDEX(name, 'tstep') > 0 .OR. INDEX(name,'time') > 0 ) old_id = iv
    ENDDO
!---
    IF (gdtt_id > 0) THEN
      vid = gdtt_id
    ELSE IF (gdtmaf_id > 0) THEN
      vid = gdtmaf_id
    ELSE IF (old_id > 0) THEN
      vid = old_id
    ELSE
      CALL histerr (3, 'flinopen', 'No time axis found',' ',' ')
    ENDIF
!---
    ALLOCATE(vec_tmp(ttm))
    iret = NF90_GET_VAR (fid,vid,vec_tmp,start=(/ 1 /),count=(/ ttm /))
    itaus(1:ttm) = NINT(vec_tmp(1:ttm))
    DEALLOCATE(vec_tmp)
!---
    IF (l_dbg) WRITE(ipslout,*) 'flinopen 5.1 Times ',itaus
!---
!-- Getting all the details for the time axis
!---
!-- Find the calendar
    calendar = ''
    iret = NF90_GET_ATT (fid,gdtmaf_id,'calendar',calendar)
    IF (iret == NF90_NOERR) THEN
      CALL ioconf_calendar(calendar)
    ENDIF
!--
    units = ''
    iret = NF90_GET_ATT (fid,vid,'units',units)
    IF (gdtt_id > 0) THEN
      units = units(INDEX(units,'since')+6:LEN_TRIM(units))
      READ (units,'(I4.4,5(a,I2.2))') &
        year0, strc, month0, strc, day0, &
               strc, hours0, strc, minutes0, strc, seci
      sec0 = hours0*3600. + minutes0*60. + seci
      CALL ymds2ju (year0, month0, day0, sec0, date0)
      IF (l_dbg) &
        WRITE(ipslout,*) 'flinopen 5.1 gdtt_id year0 ... date0 ', &
                   year0, month0, day0, sec0, date0
!-----
      iret = NF90_GET_ATT (fid, gdtt_id, 'tstep_sec', dt)
    ELSE IF (gdtmaf_id > 0) THEN
      units = units(INDEX(units,'since')+6:LEN_TRIM(units))
      READ (units,'(I4.4,5(a,I2.2))') &
        year0, strc, month0, strc, day0, &
               strc, hours0, strc, minutes0, strc, seci
      sec0 = hours0*3600. + minutes0*60. + seci
      CALL ymds2ju (year0, month0, day0, sec0, date0)
!-----
      IF (l_dbg) &
        WRITE(ipslout,*) 'flinopen 5.1 gdtmaf_id year0 ... date0 ', &
                   year0, month0, day0, sec0, date0
    ELSE IF (old_id > 0) THEN
      iret = NF90_GET_ATT (fid, NF90_GLOBAL, 'delta_tstep_sec', dt)
      iret = NF90_GET_ATT (fid, NF90_GLOBAL, 'day0', r_day)
      iret = NF90_GET_ATT (fid, NF90_GLOBAL, 'sec0', sec)
      iret = NF90_GET_ATT (fid, NF90_GLOBAL, 'year0', r_year)
      iret = NF90_GET_ATT (fid, NF90_GLOBAL, 'month0', r_month)
!-----
      day = INT(r_day)
      month = INT(r_month)
      year = INT(r_year)
!-----
      CALL ymds2ju (year, month, day, sec, date0)
    ENDIF
  ENDIF
!-
  IF (l_dbg) WRITE(ipslout,*) 'flinopen 6.0 File opened', date0, dt
!---------------------------
END SUBROUTINE flinopen_work
!-
!===
!-
SUBROUTINE flininfo (filename, iim, jjm, llm, ttm, fid_out)
!---------------------------------------------------------------------
!- This subroutine allows to get some information.
!- It is usualy done within flinopen but the user may want to call
!- it before in order to allocate the space needed to extract the
!- data from the file.
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  CHARACTER(LEN=*) :: filename
  INTEGER :: iim, jjm, llm, ttm, fid_out
!-
! LOCAL
!-
  INTEGER :: iret, fid, ndims, nvars, nb_atts, id_unlim
  INTEGER :: iv, lll
  INTEGER :: xid, yid, zid, tid
  CHARACTER(LEN=:), ALLOCATABLE :: name
  CHARACTER(LEN=30) :: axname
!-
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  lll = LEN_TRIM(filename)
  IF (filename(lll-2:lll) /= '.nc') THEN
    name = filename(1:lll)//'.nc'
  ELSE
    name = filename(1:lll)
  ENDIF
!-
  iret = NF90_OPEN (name, NF90_NOWRITE, fid)
  IF (iret /= NF90_NOERR) THEN
    CALL histerr(3, 'flininfo','Could not open file :',TRIM(name),' ')
  ENDIF
!-
  iret = NF90_INQUIRE (fid, nDimensions=ndims, nVariables=nvars, &
                      nAttributes=nb_atts, unlimitedDimId=id_unlim)
!-
  xid = -1; iim = 0;
  yid = -1; jjm = 0;
  zid = -1; llm = 0;
  tid = -1; ttm = 0;
!-
  DO iv=1,ndims
!---
    iret = NF90_INQUIRE_DIMENSION (fid, iv, name=axname, len=lll)
    CALL strlowercase (axname)
    axname = ADJUSTL(axname)
!---
    IF (l_dbg) WRITE(ipslout,*) &
      'flininfo - getting axname',iv,axname,lll
!---
    IF      (    (INDEX(axname,'x') == 1) &
             .OR.(INDEX(axname,'lon') == 1) ) THEN
      xid = iv; iim = lll;
    ELSE IF (    (INDEX(axname,'y') == 1) &
             .OR.(INDEX(axname,'lat') == 1) ) THEN
      yid = iv; jjm = lll;
    ELSE IF (    (INDEX(axname,'lev') == 1) &
             .OR.(INDEX(axname,'plev') == 1) &
             .OR.(INDEX(axname,'z') == 1) &
             .OR.(INDEX(axname,'depth') == 1) ) THEN
      zid = iv; llm = lll;
    ELSE IF (    (INDEX(axname,'tstep') == 1) &
             .OR.(INDEX(axname,'time') == 1) &
             .OR.(INDEX(axname,'time_counter') == 1) ) THEN
!---- For the time we certainly need to allow for other names
      tid = iv; ttm = lll;
    ELSE IF (ndims == 1) THEN
!---- Nothing was found and ndims=1 then we have a vector of data
      xid = 1; iim = lll;
    ENDIF
!---
  ENDDO
!-
! Keep all this information
!-
  nbfiles = nbfiles+1
!-
  IF (nbfiles > nbfile_max) THEN
    CALL histerr (3,'flininfo', &
      'Too many files. Please increase nbfil_max', &
      'in program flincom.F90.',' ')
  ENDIF
!-
  ncids(nbfiles) = fid
  ncnbd(nbfiles) = ndims
!-
  ncdims(nbfiles,1:4) = (/ iim, jjm, llm, ttm /)
!-
  ncfunli(nbfiles) = id_unlim
  ncnba(nbfiles)   = nb_atts
  ncnbva(nbfiles)  = nvars
  ncfileopen(nbfiles) = .TRUE.
!-
  fid_out = nbfiles
!----------------------
END SUBROUTINE flininfo
!-
!===
!-
SUBROUTINE flinput_r1d &
  (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  REAL :: var(:)
!-
  INTEGER :: fid, ncvarid, ndim, iret
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) WRITE(ipslout,*) &
     "flinput_r1d : SIZE(var) = ",SIZE(var)
!-
  CALL flinput_mat &
    (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid, &
     fid,ncvarid,ndim)
!-
  iret = NF90_PUT_VAR (fid, ncvarid, var, &
           start=w_sta(1:ndim), count=w_len(1:ndim))
!-------------------------
END SUBROUTINE flinput_r1d
!-
!===
!-
SUBROUTINE flinput_r2d &
  (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  REAL :: var(:,:)
!-
  INTEGER :: fid, ncvarid, ndim, iret
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) WRITE(ipslout,*) &
     "flinput_r2d : SIZE(var) = ",SIZE(var)
!-
  CALL flinput_mat &
    (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid, &
     fid,ncvarid,ndim)
!-
  iret = NF90_PUT_VAR (fid, ncvarid, var, &
           start=w_sta(1:ndim), count=w_len(1:ndim))
!-------------------------
END SUBROUTINE flinput_r2d
!-
!===
!-
SUBROUTINE flinput_r3d &
  (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  REAL :: var(:,:,:)
!-
  INTEGER :: fid, ncvarid, ndim, iret
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) WRITE(ipslout,*) &
     "flinput_r3d : SIZE(var) = ",SIZE(var)
!-
  CALL flinput_mat &
    (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid, &
     fid,ncvarid,ndim)
!-
  iret = NF90_PUT_VAR (fid, ncvarid, var, &
           start=w_sta(1:ndim), count=w_len(1:ndim))
!-------------------------
END SUBROUTINE flinput_r3d
!-
!===
!-
SUBROUTINE flinput_r4d &
  (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  REAL :: var(:,:,:,:)
!-
  INTEGER :: fid, ncvarid, ndim, iret
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) WRITE(ipslout,*) &
     "flinput_r4d : SIZE(var) = ",SIZE(var)
!-
  CALL flinput_mat &
    (fid_in,varname,iim,nlonid,jjm,nlatid,llm,zdimid,ttm,tdimid, &
     fid,ncvarid,ndim)
!-
  iret = NF90_PUT_VAR (fid, ncvarid, var, &
           start=w_sta(1:ndim), count=w_len(1:ndim))
!-------------------------
END SUBROUTINE flinput_r4d
!-
!===
!-
SUBROUTINE flinput_mat &
  (fid_in,varname,iim,nlonid,jjm,nlatid, &
                  llm,zdimid,ttm,tdimid,fid,ncvarid,ndim)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  INTEGER :: fid, ncvarid, ndim
!-
! LOCAL
!-
  INTEGER :: iret
!---------------------------------------------------------------------
  fid = ncids(fid_in)
!-
  w_sta(1:4) = (/      1,      1,  1,  1 /)
  w_len(1:2) = (/    iim,    jjm /)
  w_dim(1:2) = (/ nlonid, nlatid /)
!-
  IF ( (llm > 0).AND.(ttm > 0) ) THEN
    ndim = 4
    w_len(3:4) = (/    llm,    ttm /)
    w_dim(3:4) = (/ zdimid, tdimid /)
  ELSE IF (llm > 0) THEN
    ndim = 3
    w_dim(3) = zdimid
    w_len(3) = llm
  ELSE IF (ttm > 0) THEN
    ndim = 3
    w_dim(3) = tdimid
    w_len(3) = ttm
  ELSE
    ndim = 2
  ENDIF
!-
  iret = NF90_REDEF   (fid)
  iret = NF90_DEF_VAR (fid,varname,NF90_FLOAT,w_dim(1:ndim),ncvarid)
  iret = NF90_PUT_ATT (fid,ncvarid,'short_name',TRIM(varname))
  iret = NF90_ENDDEF  (fid)
!--------------------------
END  SUBROUTINE flinput_mat
!-
!===
!-
SUBROUTINE flinput_scal &
  (fid_in, varname, iim, nlonid, jjm, nlatid, &
                    llm, zdimid, ttm, tdimid, var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, nlonid, jjm, nlatid, llm, zdimid, ttm, tdimid
  REAL :: var
!-
! LOCAL
!-
  INTEGER :: fid, iret
!---------------------------------------------------------------------
  fid = ncids(fid_in)
!-
  iret = NF90_REDEF   (fid)
  iret = NF90_PUT_ATT (fid, NF90_GLOBAL, varname, REAL(var,KIND=4))
  iret = NF90_ENDDEF  (fid)
!---------------------------
END  SUBROUTINE flinput_scal
!-
!===
!-
SUBROUTINE flinget_r1d &
  (fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin
  REAL :: var(:)
!-
  INTEGER :: jl, ji
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r1d : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r1d : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,1,iim,1,jjm,buff_tmp)
!-
  jl=0
  DO ji=1,SIZE(var,1)
    jl=jl+1
    var(ji) = buff_tmp(jl)
  ENDDO
!-------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r1d
!-
!===
!-
SUBROUTINE flinget_r2d &
  (fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin
  REAL :: var(:,:)
!-
  INTEGER :: jl, jj, ji
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r2d : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r2d : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,1,iim,1,jjm,buff_tmp)
!-
  jl=0
  DO jj=1,SIZE(var,2)
    DO ji=1,SIZE(var,1)
      jl=jl+1
      var(ji,jj) = buff_tmp(jl)
    ENDDO
  ENDDO
!-------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r2d
!-
!===
!-
SUBROUTINE flinget_r2d_zoom2d &
  (fid_in,varname,iim,jjm,llm,ttm, &
   itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim,jjm,llm,ttm,itau_dep,itau_fin,iideb,jjdeb,iilen,jjlen
  REAL :: var(:,:)
!-
  INTEGER :: jl, jj, ji
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r2d_zoom : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r2d_zoom : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,buff_tmp)
!-
  jl=0
  DO jj=1,SIZE(var,2)
    DO ji=1,SIZE(var,1)
      jl=jl+1
      var(ji,jj) = buff_tmp(jl)
    ENDDO
  ENDDO
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
!--------------------------------
END SUBROUTINE flinget_r2d_zoom2d
!-
!===
!-
SUBROUTINE flinget_r3d &
  (fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin
  REAL :: var(:,:,:)
!-
  INTEGER :: jl, jk, jj, ji
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r3d : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r3d : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,1,iim,1,jjm,buff_tmp)
!-
  jl=0
  DO jk=1,SIZE(var,3)
    DO jj=1,SIZE(var,2)
      DO ji=1,SIZE(var,1)
        jl=jl+1
        var(ji,jj,jk) = buff_tmp(jl)
      ENDDO
    ENDDO
  ENDDO
!-------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r3d
!-
!===
!-
SUBROUTINE flinget_r3d_zoom2d &
  (fid_in,varname,iim,jjm,llm,ttm, &
   itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim,jjm,llm,ttm,itau_dep,itau_fin,iideb,jjdeb,iilen,jjlen
  REAL :: var(:,:,:)
!-
  INTEGER :: jl, jk, jj, ji
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r3d_zoom : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r3d_zoom : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,buff_tmp)
!-
  jl=0
  DO jk=1,SIZE(var,3)
    DO jj=1,SIZE(var,2)
      DO ji=1,SIZE(var,1)
        jl=jl+1
        var(ji,jj,jk) = buff_tmp(jl)
      ENDDO
    ENDDO
  ENDDO
!--------------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r3d_zoom2d
!-
!===
!-
SUBROUTINE flinget_r4d &
  (fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin
  REAL :: var(:,:,:,:)
!-
  INTEGER :: jl, jk, jj, ji, jm
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r4d : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r4d : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,1,iim,1,jjm,buff_tmp)
!-
  jl=0
  DO jm=1,SIZE(var,4)
    DO jk=1,SIZE(var,3)
      DO jj=1,SIZE(var,2)
        DO ji=1,SIZE(var,1)
          jl=jl+1
          var(ji,jj,jk,jm) = buff_tmp(jl)
        ENDDO
      ENDDO
    ENDDO
  ENDDO
!-------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r4d
!-
!===
!-
SUBROUTINE flinget_r4d_zoom2d &
  (fid_in,varname,iim,jjm,llm,ttm, &
   itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,var)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim,jjm,llm,ttm,itau_dep,itau_fin,iideb,jjdeb,iilen,jjlen
  REAL :: var(:,:,:,:)
!-
  INTEGER :: jl, jk, jj, ji, jm
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (.NOT.ALLOCATED(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r4d_zoom : allocate buff_tmp for buff_sz = ",SIZE(var)
    ALLOCATE (buff_tmp(SIZE(var)))
  ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN
    IF (l_dbg) WRITE(ipslout,*) &
      "flinget_r4d_zoom : re-allocate buff_tmp for buff_sz = ",SIZE(var)
    DEALLOCATE (buff_tmp)
    ALLOCATE (buff_tmp(SIZE(var)))
  ENDIF
!-
  CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, &
                    itau_dep,itau_fin,iideb,iilen,jjdeb,jjlen,buff_tmp)
!-
  jl=0
  DO jm=1,SIZE(var,4)
    DO jk=1,SIZE(var,3)
      DO jj=1,SIZE(var,2)
        DO ji=1,SIZE(var,1)
          jl=jl+1
          var(ji,jj,jk,jm) = buff_tmp(jl)
        ENDDO
      ENDDO
    ENDDO
  ENDDO
!--------------------------------
  IF (ALLOCATED(buff_tmp)) DEALLOCATE(buff_tmp)
END SUBROUTINE flinget_r4d_zoom2d
!-
!===
!-
SUBROUTINE flinget_mat &
  (fid_in, varname, iim, jjm, llm, ttm, itau_dep, &
   itau_fin, iideb, iilen, jjdeb, jjlen, var)
!---------------------------------------------------------------------
!- This subroutine will read the variable named varname from
!- the file previously opened by flinopen and identified by fid
!-
!- It is checked that the dimensions of the variable to be read
!- correspond to what the user requested when he specified
!- iim, jjm and llm. The only exception which is allowed is
!- for compressed data where the horizontal grid is not expected
!- to be iim x jjm.
!-
!- If variable is of size zero a global attribute is read.
!- This global attribute will be of type real
!-
!- INPUT
!-
!- fid      : File ID returned by flinopen
!- varname  : Name of the variable to be read from the file
!- iim      : | These three variables give the size of the variables
!- jjm      : | to be read. It will be verified that the variables
!- llm      : | fits in there.
!- ttm      : |
!- itau_dep : Time step at which we will start to read
!- itau_fin : Time step until which we are going to read
!-            For the moment this is done on indexes
!-            but it should be in the physical space.
!-            If there is no time-axis in the file then use a
!-            itau_fin < itau_dep, this will tell flinget not to
!-            expect a time-axis in the file.
!- iideb    : index i for zoom
!- iilen    : length of zoom
!- jjdeb    : index j for zoom
!- jjlen    : length of zoom
!-
!- OUTPUT
!-
!- var      : array that will contain the data
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  INTEGER, INTENT(IN) :: fid_in
  CHARACTER(LEN=*), INTENT(IN) :: varname
  INTEGER, INTENT(IN) :: iim, jjm, llm, ttm
  INTEGER, INTENT(IN) :: itau_dep, itau_fin, iideb, iilen, jjdeb, jjlen
  REAL, INTENT(OUT) :: var(:)
!-
! LOCAL
!-
  INTEGER :: iret, fid
  INTEGER :: vid, cvid, clen
  CHARACTER(LEN=70) :: str1
  CHARACTER(LEN=250) :: att_n, tmp_n
  CHARACTER(LEN=5) :: axs_l
  INTEGER :: tmp_i
  REAL,SAVE :: mis_v=0.
  REAL :: tmp_r
  INTEGER :: ndims, x_typ, nb_atts
  INTEGER,DIMENSION(NF90_MAX_VAR_DIMS) :: dimids
  INTEGER :: i, nvars, i2d, cnd
  REAL,DIMENSION(:),ALLOCATABLE,SAVE :: var_tmp
  INTEGER :: itau_len
  LOGICAL :: uncompress = .FALSE.
  INTEGER :: il, ip, i2p, it
  !-
  LOGICAL :: l_dbg
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)
  !-
  fid = ncids(fid_in)
!-
  IF (l_dbg) THEN
    WRITE(ipslout,*) &
    'flinget_mat : fid_in, fid, varname :', fid_in, fid, TRIM(varname)
    WRITE(ipslout,*) &
    'flinget_mat : iim, jjm, llm, ttm, itau_dep, itau_fin :', &
    iim, jjm, llm, ttm, itau_dep, itau_fin
    WRITE(ipslout,*) &
    'flinget_mat : iideb, iilen, jjdeb, jjlen :', &
    iideb, iilen, jjdeb, jjlen
  ENDIF
!-
  uncompress = .FALSE.
!-
! 1.0 We get first all the details on this variable from the file
!-
  nvars = ncnbva(fid_in)
!-
  vid = -1
  iret = NF90_INQ_VARID (fid, varname, vid)
!-
  IF (vid < 0 .OR. iret /= NF90_NOERR) THEN
    CALL histerr (3,'flinget', &
      'Variable '//TRIM(varname)//' not found in file',' ',' ')
  ENDIF
!-
  iret = NF90_INQUIRE_VARIABLE (fid, vid, &
           ndims=ndims, dimids=dimids, nAtts=nb_atts)
  IF (l_dbg) THEN
    WRITE(ipslout,*) &
    'flinget_mat : fid, vid :', fid, vid
    WRITE(ipslout,*) &
    'flinget_mat : ndims, dimids(1:ndims), nb_atts :', &
    ndims, dimids(1:ndims), nb_atts
  ENDIF
!-
  w_dim(:) = 0
  DO i=1,ndims
    iret  = NF90_INQUIRE_DIMENSION (fid, dimids(i), len=w_dim(i))
  ENDDO
  IF (l_dbg) WRITE(ipslout,*) &
    'flinget_mat : w_dim :', w_dim(1:ndims)
!-
  mis_v = 0.0; axs_l = ' ';
!-
  IF (nb_atts > 0) THEN
     IF (l_dbg) THEN
      WRITE(ipslout,*) 'flinget_mat : attributes for variable :'
    ENDIF
  ENDIF
  DO i=1,nb_atts
    iret = NF90_INQ_ATTNAME (fid, vid, i, att_n)
    iret = NF90_INQUIRE_ATTRIBUTE (fid, vid, att_n, xtype=x_typ)
    CALL strlowercase (att_n)
    IF      (    (x_typ == NF90_INT).OR.(x_typ == NF90_SHORT) &
             .OR.(x_typ == NF90_BYTE) ) THEN
      iret = NF90_GET_ATT (fid, vid, att_n, tmp_i)
        IF (l_dbg) THEN
        WRITE(ipslout,*) '   ',TRIM(att_n),' : ',tmp_i
      ENDIF
    ELSE IF ( (x_typ == NF90_FLOAT).OR.(x_typ == NF90_DOUBLE) ) THEN
      iret = NF90_GET_ATT (fid, vid, att_n, tmp_r)
        IF (l_dbg) THEN
        WRITE(ipslout,*) '   ',TRIM(att_n),' : ',tmp_r
      ENDIF
      IF (index(att_n,'missing_value') > 0) THEN
        mis_v = tmp_r
      ENDIF
    ELSE
      tmp_n = ''
      iret = NF90_GET_ATT (fid, vid, att_n, tmp_n)
        IF (l_dbg) THEN
        WRITE(ipslout,*) '   ',TRIM(att_n),' : ',TRIM(tmp_n)
      ENDIF
      IF (index(att_n,'axis') > 0) THEN
        axs_l = tmp_n
      ENDIF
    ENDIF
  ENDDO
!?
!!!!!!!!!! We will need a verification on the type of the variable
!?
!-
! 2.0 The dimensions are analysed to determine what is to be read
!-
! 2.1 the longitudes
!-
  IF ( w_dim(1) /= iim .OR. w_dim(2) /= jjm) THEN
!---
!-- There is a possibility that we have to deal with a compressed axis !
!---
    iret = NF90_INQUIRE_DIMENSION (fid, dimids(1), &
             name=tmp_n, len=clen)
    iret = NF90_INQ_VARID (fid, tmp_n, cvid)
!---
    IF (l_dbg) WRITE(ipslout,*) &
      'Dimname, iret , NF90_NOERR : ',TRIM(tmp_n),iret,NF90_NOERR
!---
!-- If we have an axis which has the same name
!-- as the dimension we can see if it is compressed
!---
!-- TODO TODO for zoom2d
!---
    IF (iret == NF90_NOERR) THEN
      iret = NF90_GET_ATT (fid, cvid, 'compress', str1)
!-----
      IF (iret == NF90_NOERR) THEN
        iret = NF90_INQUIRE_VARIABLE (fid,cvid,xtype=x_typ,ndims=cnd)
!-------
        IF ( cnd /= 1 .AND. x_typ /= NF90_INT) THEN
          CALL histerr (3,'flinget', &
            'Variable '//TRIM(tmp_n)//' can not be a compressed axis', &
            'Either it has too many dimensions'// &
            ' or it is not of type integer', ' ')
        ELSE
!---------
!-------- Let us see if we already have that index table
!---------
          IF (    (cind_len /= clen).OR.(cind_vid /= cvid) &
              .OR.(cind_fid /= fid) ) THEN
            IF (ALLOCATED(cindex))   DEALLOCATE(cindex)
            ALLOCATE(cindex(clen))
            cind_len = clen
            cind_vid = cvid
            cind_fid = fid
            iret = NF90_GET_VAR (fid, cvid, cindex)
          ENDIF
!---------
!-------- In any case we need to set the slab of data to be read
!---------
          uncompress = .TRUE.
          w_sta(1) = 1
          w_len(1) = clen
          i2d = 1
        ENDIF
      ELSE
        str1 = 'The horizontal dimensions of '//varname
        CALL histerr (3,'flinget',str1, &
          'is not compressed and does not'// &
          ' correspond to the requested size',' ')
      ENDIF
    ELSE
      IF (w_dim(1) /= iim) THEN
        str1 = 'The longitude dimension of '//varname
        CALL histerr (3,'flinget',str1, &
          'in the file is not equal to the dimension', &
          'that should be read')
      ENDIF
      IF (w_dim(2) /= jjm) THEN
        str1 = 'The latitude dimension of '//varname
        CALL histerr (3,'flinget',str1, &
          'in the file is not equal to the dimension', &
          'that should be read')
      ENDIF
    ENDIF
  ELSE
    w_sta(1:2) = (/ iideb, jjdeb /)
    w_len(1:2) = (/ iilen, jjlen /)
    i2d = 2
  ENDIF
!-
! 2.3 Now the difficult part, the 3rd dimension which can be
! time or levels.
!-
! Priority is given to the time axis if only three axes are present.
!-
  IF (ndims > i2d) THEN
!---
!-- 2.3.1 We have a vertical axis
!---
    IF (llm == 1 .AND. ndims == i2d+2 .OR. llm == w_dim(i2d+1)) THEN
!-----
      IF (w_dim(i2d+1) /= llm) THEN
        CALL histerr (3,'flinget', &
          'The vertical dimension of '//varname, &
          'in the file is not equal to the dimension', &
          'that should be read')
      ELSE
        w_sta(i2d+1) = 1
        IF (llm > 0) THEN
          w_len(i2d+1) = llm
        ELSE
          w_len(i2d+1) = w_sta(i2d+1)
        ENDIF
      ENDIF
!-----
      IF ((itau_fin-itau_dep) >= 0) THEN
        IF      (ndims /= i2d+2) THEN
          CALL histerr (3,'flinget', &
            'You attempt to read a time slab', &
            'but there is no time axis on this variable', varname)
        ELSE IF ((itau_fin - itau_dep) <= w_dim(i2d+2)) THEN
          w_sta(i2d+2) = itau_dep
          w_len(i2d+2) = itau_fin-itau_dep+1
        ELSE
          CALL histerr (3,'flinget', &
            'The time step you try to read is not', &
            'in the file (1)', varname)
        ENDIF
      ELSE IF (ndims == i2d+2 .AND. w_dim(i2d+2) > 1) THEN
        CALL histerr (3,'flinget', &
          'There is a time axis in the file but no', &
          'time step give in the call', varname)
      ELSE
        w_sta(i2d+2) = 1
        w_len(i2d+2) = 1
      ENDIF
    ELSE
!-----
!---- 2.3.2 We do not have any vertical axis
!-----
      IF (ndims == i2d+2) THEN
        CALL histerr (3,'flinget', &
          'The file contains 4 dimensions', &
          'but only 3 are requestes for variable ', varname)
      ENDIF
      IF ((itau_fin-itau_dep) >= 0) THEN
        IF (ndims == i2d+1) THEN
          IF ((itau_fin-itau_dep) < w_dim(i2d+1) ) THEN
            w_sta(i2d+1) = itau_dep
            w_len(i2d+1) = itau_fin-itau_dep+1
          ELSE
            CALL histerr (3,'flinget', &
              'The time step you try to read is not', &
              'in the file (2)', varname)
          ENDIF
        ELSE
          CALL histerr (3,'flinget', &
            'From your input you sould have 3 dimensions', &
            'in the file but there are 4', varname)
        ENDIF
      ELSE
        IF (ndims == i2d+1 .AND. w_dim(i2d+1) > 1) THEN
          CALL histerr (3,'flinget', &
            'There is a time axis in the file but no', &
            'time step given in the call', varname)
        ELSE
          w_sta(i2d+1) = 1
          w_len(i2d+1) = 1
        ENDIF
      ENDIF
    ENDIF
  ELSE
!---
!-- 2.3.3 We do not have any vertical axis
!---
    w_sta(i2d+1:i2d+2) = (/ 0, 0 /)
    w_len(i2d+1:i2d+2) = (/ 0, 0 /)
  ENDIF
!-
! 3.0 Reading the data
!-
  IF (l_dbg) WRITE(ipslout,*) &
    'flinget_mat 3.0 : ', uncompress, w_sta, w_len
!---
  var(:) = mis_v
  IF (uncompress) THEN
!---
    IF (ALLOCATED(var_tmp)) THEN
      IF (SIZE(var_tmp) < PRODUCT(w_len(:),mask=(w_len>1))) THEN
         DEALLOCATE(var_tmp)
         ALLOCATE(var_tmp(PRODUCT(w_len(:),mask=(w_len>1))))
      ENDIF
    ELSE
      ALLOCATE(var_tmp(PRODUCT(w_len(:),mask=(w_len>1))))
    ENDIF
!---
    iret = NF90_GET_VAR (fid, vid, var_tmp, &
             start=w_sta(:), count=w_len(:))
!---
    IF (iret /= NF90_NOERR) THEN
        WRITE(ipslout,*) 'flinget_mat 2.9 : ',NF90_STRERROR (iret)
        CALL ipslerr(3, 'flinget_mat','Error on netcdf NF90_GET_VAR','', '')
    ENDIF
!---
    itau_len=itau_fin-itau_dep+1
    IF (l_dbg) WRITE(ipslout,*) 'flinget_mat 3.0 : clen, itau_len ',clen,itau_len
    var(:) = mis_v
    IF (itau_len > 0) THEN
       DO it=1,itau_len
          DO il=1,clen
             ip = il + (it-1)*clen
             i2p = cindex(il)+(it-1)*iim*jjm
             var(i2p) = var_tmp(ip)
          ENDDO
       ENDDO
    ELSE
       var(cindex(:)) = var_tmp(:)
    ENDIF
!---
  ELSE
    iret = NF90_GET_VAR (fid, vid, var, &
             start=w_sta(:), count=w_len(:))

    IF (iret /= NF90_NOERR) THEN
        WRITE(ipslout,*) 'flinget_mat 3.1 : ',NF90_STRERROR (iret)
        CALL  ipslerr(3, 'flinget_mat','Error on netcdf NF90_GET_VAR','Read in netcdf failed', '')
    ENDIF
  ENDIF
!-
  IF (l_dbg) WRITE(ipslout,*) 'flinget_mat 3.2 : ',NF90_STRERROR (iret)
!--------------------------
END  SUBROUTINE flinget_mat
!-
!===
!-
SUBROUTINE flinget_scal &
  (fid_in, varname, iim, jjm, llm, ttm, itau_dep, itau_fin, var)
!---------------------------------------------------------------------
!- This subroutine will read the variable named varname from
!- the file previously opened by flinopen and identified by fid
!-
!- If variable is of size zero a global attribute is read. This
!- global attribute will be of type real
!-
!- INPUT
!-
!- fid      : File ID returned by flinopen
!- varname  : Name of the variable to be read from the file
!- iim      : | These three variables give the size of the variables
!- jjm      : | to be read. It will be verified that the variables
!- llm      : | fits in there.
!- ttm      : |
!- itau_dep : Time step at which we will start to read
!- itau_fin : Time step until which we are going to read
!-           For the moment this is done on indeces but it should be
!-           in the physical space
!-           If there is no time-axis in the file then use a
!-           itau_fin < itau_dep, this will tell flinget not to
!-           expect a time-axis in the file.
!-
!- OUTPUT
!-
!- var      : scalar that will contain the data
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) :: varname
  INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin
  REAL :: var
!-
! LOCAL
!-
  INTEGER :: iret, fid, vid
  INTEGER :: attlen, attnum
  INTEGER :: ndims, nb_atts
  INTEGER,DIMENSION(NF90_MAX_VAR_DIMS) :: dimids
  LOGICAL :: var_exists
!-
  LOGICAL :: l_dbg
  INTEGER :: lll
!---------------------------------------------------------------------
  CALL ipsldbg (old_status=l_dbg)

  IF (l_dbg) THEN
    WRITE (ipslout,*) 'flinget_scal in file with id ',fid_in
  ENDIF
!-
  fid = ncids(fid_in)
  iret = NF90_INQUIRE_ATTRIBUTE(fid, NF90_GLOBAL, varname, len=attlen, attnum=attnum)
!-
! 1.0 Reading a global attribute
!-
  IF ( iret == nf90_noerr ) THEN
     !
     ! This seems to be a Global attribute
     !
     iret = NF90_GET_ATT (fid, NF90_GLOBAL, varname, var)
  ELSE
     !
     ! If there was an error on the test for a global attribute it
     ! is perhaps a scalar variable.
     !
     vid = -1
     iret = NF90_INQ_VARID (fid, varname, vid)
     !
     IF ( (vid >= 0).AND.(iret == NF90_NOERR) ) THEN
        iret = NF90_INQUIRE_VARIABLE (fid, vid, &
             ndims=ndims, dimids=dimids, nAtts=nb_atts)
        IF (ndims == 1) THEN
           iret = NF90_INQUIRE_DIMENSION (fid, dimids(1), len=lll)
        ENDIF

        IF ( ((ndims == 0) .OR. ((ndims == 1).AND.(lll == 1))) .AND. (nb_atts >= 0) ) THEN
           iret = NF90_GET_VAR(fid, vid, var)
        ELSE
           CALL histerr (3,'flinget_scal', &
                'The variable has coordinates and thus is probably not a scalar.', &
                'Check your netCDF file.', " ")
        ENDIF
     ENDIF
     IF (l_dbg) THEN
        WRITE(ipslout,*) "Reading a Scalar value for varibale ", varname," It has value ", var
     ENDIF
  ENDIF
!-
!---------------------------
END  SUBROUTINE flinget_scal
!-
!===
!-
SUBROUTINE flinfindcood (fid_in, axtype, vid, ndim)
!---------------------------------------------------------------------
!- This subroutine explores the file in order to find
!- the coordinate according to a number of rules
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! ARGUMENTS
!-
  INTEGER :: fid_in, vid, ndim
  CHARACTER(LEN=3) :: axtype
!-
! LOCAL
!-
  INTEGER :: iv, iret, dimnb
  CHARACTER(LEN=40) :: dimname, dimuni1, dimuni2, dimuni3
  CHARACTER(LEN=80) :: str1
  LOGICAL :: found_rule = .FALSE.
!---------------------------------------------------------------------
  vid = -1
!-
! Make sure all strings are invalid
!-
  dimname = '?-?'
  dimuni1 = '?-?'
  dimuni2 = '?-?'
  dimuni3 = '?-?'
!-
! First rule : we look for the correct units
! lon : east
! lat : north
! We make an exact check as it would be too easy to mistake
! some units by just comparing the substrings.
!-
  SELECTCASE(axtype)
  CASE ('lon')
    dimuni1 = 'degree_e'
    dimuni2 = 'degrees_e'
    found_rule = .TRUE.
  CASE('lat')
    dimuni1 = 'degree_n'
    dimuni2 = 'degrees_n'
    found_rule = .TRUE.
  CASE('lev')
    dimuni1 = 'm'
    dimuni2 = 'km'
    dimuni3 = 'hpa'
    found_rule = .TRUE.
  CASE DEFAULT
    found_rule = .FALSE.
  END SELECT
!-
  IF (found_rule) THEN
    iv = 0
    DO WHILE ( (vid < 0).AND.(iv < ncnbva(fid_in)) )
      iv = iv+1
      str1 = ''
      iret = NF90_GET_ATT (ncids(fid_in), iv, 'units', str1)
      IF (iret == NF90_NOERR) THEN
        CALL strlowercase (str1)
        IF (    (INDEX(str1, TRIM(dimuni1)) == 1) &
            .OR.(INDEX(str1, TRIM(dimuni2)) == 1) &
            .OR.(INDEX(str1, TRIM(dimuni3)) == 1) ) THEN
          vid = iv
          iret = NF90_INQUIRE_VARIABLE (ncids(fid_in), iv, ndims=ndim)
        ENDIF
      ENDIF
    ENDDO
  ENDIF
!-
! Second rule : we find specific names :
! lon : nav_lon
! lat : nav_lat
! Here we can check if we find the substring as the
! names are more specific.
!-
  SELECTCASE(axtype)
  CASE ('lon')
    dimname = 'nav_lon lon longitude'
    found_rule = .TRUE.
  CASE('lat')
    dimname = 'nav_lat lat latitude'
    found_rule = .TRUE.
  CASE('lev')
    dimname = 'plev level depth deptht'
    found_rule = .TRUE.
  CASE DEFAULT
    found_rule = .FALSE.
  END SELECT
!-
  IF (found_rule) THEN
    iv = 0
    DO WHILE ( (vid < 0).AND.(iv < ncnbva(fid_in)) )
      iv = iv+1
      str1=''
      iret = NF90_INQUIRE_VARIABLE (ncids(fid_in), iv, &
                                    name=str1, ndims=ndim)
      IF (INDEX(dimname,TRIM(str1)) >= 1) THEN
        vid = iv
      ENDIF
    ENDDO
  ENDIF
!-
! Third rule : we find a variable with the same name as the dimension
! lon = 1
! lat = 2
! lev = 3
!-
  IF (vid < 0) THEN
    SELECTCASE(axtype)
    CASE ('lon')
      dimnb = 1
      found_rule = .TRUE.
    CASE('lat')
      dimnb = 2
      found_rule = .TRUE.
    CASE('lev')
      dimnb = 3
      found_rule = .TRUE.
    CASE DEFAULT
      found_rule = .FALSE.
    END SELECT
!---
    IF (found_rule) THEN
      iret = NF90_INQUIRE_DIMENSION (ncids(fid_in), dimnb, name=dimname)
      iv = 0
      DO WHILE ( (vid < 0).AND.(iv < ncnbva(fid_in)) )
        iv = iv+1
        str1=''
        iret = NF90_INQUIRE_VARIABLE (ncids(fid_in), iv, &
                                      name=str1, ndims=ndim)
        IF (INDEX(dimname,TRIM(str1)) == 1) THEN
          vid = iv
        ENDIF
      ENDDO
    ENDIF
  ENDIF
!-
! Stop the program if no coordinate was found
!-
  IF (vid < 0) THEN
    CALL histerr (3,'flinfindcood', &
           'No coordinate axis was found in the file', &
           'The data in this file can not be used', axtype)
  ENDIF
!--------------------------
END SUBROUTINE flinfindcood
!-
!===
!-
SUBROUTINE flinclo (fid_in)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
!-
  INTEGER :: iret
!---------------------------------------------------------------------
  iret = NF90_CLOSE (ncids(fid_in))
  ncfileopen(fid_in) = .FALSE.
!---------------------
END SUBROUTINE flinclo
!-
!===
!-
SUBROUTINE flinquery_var(fid_in, varname, exists)
!---------------------------------------------------------------------
!- Queries the existance of a variable in the file.
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
  INTEGER :: fid_in
  CHARACTER(LEN=*) varname
  LOGICAL :: exists
!-
  INTEGER :: iret, fid, vid
!---------------------------------------------------------------------
  fid = ncids(fid_in)
  vid = -1
  iret = NF90_INQ_VARID (fid, varname, vid)
!-
  exists = ( (vid >= 0).AND.(iret == NF90_NOERR) )
!---------------------------
END SUBROUTINE flinquery_var
!-
!===
!-
SUBROUTINE flininspect (fid_in)
!---------------------------------------------------------------------
  IMPLICIT NONE
!-
! fid : File id to inspect
!-
  INTEGER :: fid_in
!-
!- LOCAL
!-
  INTEGER :: iim, jjm, llm, ttm, fid_out
  INTEGER :: iret, fid, ndims, nvars, nb_atts, id_unlim
  INTEGER :: iv, in, lll
  INTEGER :: xid, yid, zid, tid
  INTEGER,DIMENSION(NF90_MAX_VAR_DIMS) :: idimid
  CHARACTER(LEN=80) :: name
  CHARACTER(LEN=30) :: axname
!---------------------------------------------------------------------
  fid = ncids(fid_in)
!-
  iret = NF90_INQUIRE (fid, nDimensions=ndims, nVariables=nvars, &
                       nAttributes=nb_atts, unlimitedDimId=id_unlim)
!-
  WRITE (*,*) 'IOIPSL ID                   : ',fid_in
  WRITE (*,*) 'NetCDF ID                   : ',fid
  WRITE (*,*) 'Number of dimensions        : ',ndims
  WRITE (*,*) 'Number of variables         : ',nvars
  WRITE (*,*) 'Number of global attributes : ',nb_atts
  WRITE (*,*) 'ID unlimited                : ',id_unlim
!-
  xid = -1; iim = 0;
  yid = -1; jjm = 0;
  zid = -1; llm = 0;
  tid = -1; ttm = 0;
!-
  DO iv=1,ndims
!---
    iret = NF90_INQUIRE_DIMENSION (fid, iv, name=axname, len=lll)
    CALL strlowercase (axname)
    axname = ADJUSTL(axname)
!---
    WRITE (*,*) 'Dimension number : ',iv
    WRITE (*,*) 'Dimension name   : ',TRIM(axname)
!---
    IF      (    (INDEX(axname,'x') == 1) &
             .OR.(INDEX(axname,'lon') == 1)) THEN
      xid = iv; iim = lll;
      WRITE (*,*) 'Dimension X size   : ',iim
    ELSE IF (    (INDEX(axname,'y') == 1) &
             .OR.(INDEX(axname,'lat') == 1)) THEN
      yid = iv; jjm = lll;
      WRITE (*,*) 'Dimension Y size   : ',jjm
    ELSE IF (    (INDEX(axname,'lev') == 1) &
             .OR.(INDEX(axname,'plev') == 1) &
             .OR.(INDEX(axname,'z') == 1) &
             .OR.(INDEX(axname,'depth') == 1)) THEN
      zid = iv; llm = lll;
      WRITE (*,*) 'Dimension Z size   : ',llm
    ELSE IF (    (INDEX(axname,'tstep') == 1) &
             .OR.(INDEX(axname,'time') == 1) &
             .OR.(INDEX(axname,'time_counter') == 1)) THEN
!---- For the time we certainly need to allow for other names
      tid = iv; ttm = lll;
    ELSE IF (ndims == 1) THEN
!---- Nothing was found and ndims=1 then we have a vector of data
      xid = 1; iim = lll;
    ENDIF
!---
  ENDDO
!-
! Keep all this information
!-
  nbfiles = nbfiles+1
!-
  IF (nbfiles > nbfile_max) THEN
    CALL histerr(3,'flininspect', &
      'Too many files. Please increase nbfil_max', &
      'in program flincom.F90.',' ')
  ENDIF
!-
  ncids(nbfiles) = fid
  ncnbd(nbfiles) = ndims
!-
  ncdims(nbfiles,1:4) = (/ iim, jjm, llm, ttm /)
!-
  ncfunli(nbfiles) = id_unlim
  ncnba(nbfiles)   = nb_atts
  ncnbva(nbfiles)  = nvars
  ncfileopen(nbfiles) = .TRUE.
!-
  fid_out = nbfiles
!-
  DO in=1,nvars
    iret = NF90_INQUIRE_VARIABLE (fid, in, &
             name=name, ndims=ndims, dimids=idimid, nAtts=nb_atts)
    WRITE (*,*) 'Variable number  ------------ > ', in
    WRITE (*,*) 'Variable name        : ', TRIM(name)
    WRITE (*,*) 'Number of dimensions : ', ndims
    WRITE (*,*) 'Dimensions ID''s     : ', idimid(1:ndims)
    WRITE (*,*) 'Number of attributes : ', nb_atts
  ENDDO
!-------------------------
END SUBROUTINE flininspect
!-
!===
!-
END MODULE flincom