| 1 |
MODULE flinget_m |
| 2 |
|
| 3 |
! From flincom.f90, version 2.2 2006/03/07 09:21:51 |
| 4 |
|
| 5 |
IMPLICIT NONE |
| 6 |
|
| 7 |
PRIVATE |
| 8 |
PUBLIC flinget |
| 9 |
|
| 10 |
INTERFACE flinget |
| 11 |
MODULE PROCEDURE flinget_r3d, flinget_r2d |
| 12 |
! The difference between the procedures is the rank of argument "var". |
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END INTERFACE |
| 14 |
|
| 15 |
CONTAINS |
| 16 |
|
| 17 |
SUBROUTINE flinget_r2d(fid_in, varname, iim, jjm, llm, ttm, itau_dep, & |
| 18 |
itau_fin, var) |
| 19 |
|
| 20 |
INTEGER, intent(in):: fid_in |
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CHARACTER(LEN=*), intent(in):: varname |
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INTEGER, intent(in):: iim, jjm, llm, ttm, itau_dep, itau_fin |
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REAL, intent(out):: var(:, :) |
| 24 |
|
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! Local: |
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INTEGER :: jl, jj, ji |
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REAL, DIMENSION(:), ALLOCATABLE, SAVE :: buff_tmp |
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LOGICAL :: check = .FALSE. |
| 29 |
|
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!--------------------------------------------------------------------- |
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|
| 32 |
IF (.NOT.ALLOCATED(buff_tmp)) THEN |
| 33 |
IF (check) WRITE(*, *) & |
| 34 |
"flinget_r2d : allocate buff_tmp for buff_sz = ", SIZE(var) |
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ALLOCATE (buff_tmp(SIZE(var))) |
| 36 |
ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN |
| 37 |
IF (check) WRITE(*, *) & |
| 38 |
"flinget_r2d : re-allocate buff_tmp for buff_sz = ", SIZE(var) |
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DEALLOCATE (buff_tmp) |
| 40 |
ALLOCATE (buff_tmp(SIZE(var))) |
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ENDIF |
| 42 |
|
| 43 |
CALL flinget_mat(fid_in, varname, iim, jjm, llm, ttm, itau_dep, & |
| 44 |
itau_fin, 1, iim, 1, jjm, buff_tmp) |
| 45 |
|
| 46 |
jl=0 |
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DO jj=1, SIZE(var, 2) |
| 48 |
DO ji=1, SIZE(var, 1) |
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jl=jl+1 |
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var(ji, jj) = buff_tmp(jl) |
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ENDDO |
| 52 |
ENDDO |
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|
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END SUBROUTINE flinget_r2d |
| 55 |
|
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!**************************************************************** |
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|
| 58 |
SUBROUTINE flinget_r3d(fid_in, varname, iim, jjm, llm, ttm, itau_dep, & |
| 59 |
itau_fin, var) |
| 60 |
|
| 61 |
INTEGER, intent(in):: fid_in |
| 62 |
CHARACTER(LEN=*), intent(in):: varname |
| 63 |
INTEGER, intent(in):: iim, jjm, llm, ttm, itau_dep, itau_fin |
| 64 |
REAL, intent(out):: var(:, :, :) |
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|
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! Local: |
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INTEGER :: jl, jk, jj, ji |
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REAL, DIMENSION(:), ALLOCATABLE, SAVE :: buff_tmp |
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LOGICAL :: check = .FALSE. |
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|
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!--------------------------------------------------------------------- |
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|
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IF (.NOT.ALLOCATED(buff_tmp)) THEN |
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IF (check) WRITE(*, *) & |
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"flinget_r3d : allocate buff_tmp for buff_sz = ", SIZE(var) |
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ALLOCATE (buff_tmp(SIZE(var))) |
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ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN |
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IF (check) WRITE(*, *) & |
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"flinget_r3d : re-allocate buff_tmp for buff_sz = ", SIZE(var) |
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DEALLOCATE (buff_tmp) |
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ALLOCATE (buff_tmp(SIZE(var))) |
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ENDIF |
| 83 |
|
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CALL flinget_mat (fid_in, varname, iim, jjm, llm, ttm, & |
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itau_dep, itau_fin, 1, iim, 1, jjm, buff_tmp) |
| 86 |
|
| 87 |
jl=0 |
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DO jk=1, SIZE(var, 3) |
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DO jj=1, SIZE(var, 2) |
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DO ji=1, SIZE(var, 1) |
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jl=jl+1 |
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var(ji, jj, jk) = buff_tmp(jl) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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END SUBROUTINE flinget_r3d |
| 98 |
|
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!**************************************************************** |
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|
| 101 |
SUBROUTINE flinget_mat(fid_in, varname, iim, jjm, llm, ttm, itau_dep, & |
| 102 |
itau_fin, iideb, iilen, jjdeb, jjlen, var) |
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|
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!- This subroutine will read the variable named varname from |
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!- the file previously opened by flinopen and identified by fid |
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|
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!- It is checked that the dimensions of the variable to be read |
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!- correspond to what the user requested when he specified |
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!- iim, jjm and llm. The only exception which is allowed is |
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!- for compressed data where the horizontal grid is not expected |
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!- to be iim x jjm. |
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|
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!- If variable is of size zero a global attribute is read. |
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!- This global attribute will be of type real |
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|
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!- INPUT |
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|
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!- fid : File ID returned by flinopen |
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!- varname : Name of the variable to be read from the file |
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!- iim : | These three variables give the size of the variables |
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!- jjm : | to be read. It will be verified that the variables |
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!- llm : | fits in there. |
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!- ttm : | |
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!- itau_dep : Time step at which we will start to read |
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!- itau_fin : Time step until which we are going to read |
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!- For the moment this is done on indexes |
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!- but it should be in the physical space. |
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!- If there is no time-axis in the file then use a |
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!- itau_fin < itau_dep, this will tell flinget not to |
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!- expect a time-axis in the file. |
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!- iideb : index i for zoom |
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!- iilen : length of zoom |
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!- jjdeb : index j for zoom |
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!- jjlen : length of zoom |
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|
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!- OUTPUT |
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|
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!- var : array that will contain the data |
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|
| 140 |
USE strlowercase_m, ONLY : strlowercase |
| 141 |
USE errioipsl, ONLY : histerr |
| 142 |
USE netcdf, ONLY : nf90_byte, nf90_double, nf90_float, nf90_get_att, & |
| 143 |
nf90_get_var, nf90_inquire_attribute, nf90_inquire_dimension, & |
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nf90_inquire_variable, nf90_inq_attname, nf90_inq_varid, nf90_int, & |
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nf90_max_var_dims, nf90_noerr, nf90_short, nf90_strerror |
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use flincom, only: ncids |
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|
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! ARGUMENTS |
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|
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INTEGER, intent(in):: fid_in |
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CHARACTER(LEN=*), intent(in):: varname |
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INTEGER, intent(in):: iim, jjm, llm, ttm, itau_dep, itau_fin |
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INTEGER :: iideb |
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integer, intent(in):: iilen |
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integer jjdeb |
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integer, intent(in):: jjlen |
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REAL :: var(:) |
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|
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! LOCAL |
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|
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INTEGER, SAVE :: cind_vid |
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INTEGER, SAVE :: cind_fid |
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INTEGER, SAVE :: cind_len |
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INTEGER, DIMENSION(:), ALLOCATABLE, SAVE :: cindex |
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INTEGER, DIMENSION(4) :: w_sta, w_len, w_dim |
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INTEGER :: iret, fid |
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INTEGER :: vid, cvid, clen |
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CHARACTER(LEN=70) :: str1 |
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CHARACTER(LEN=250) :: att_n, tmp_n |
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INTEGER :: tmp_i |
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REAL, SAVE :: mis_v=0. |
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REAL :: tmp_r |
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INTEGER :: ndims, x_typ, nb_atts |
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INTEGER, DIMENSION(NF90_MAX_VAR_DIMS) :: dimids |
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INTEGER :: i, i2d, cnd |
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REAL, DIMENSION(:), ALLOCATABLE, SAVE :: var_tmp |
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LOGICAL :: uncompress = .FALSE. |
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LOGICAL :: check = .FALSE. |
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|
| 180 |
!--------------------------------------------------------------------- |
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|
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fid = ncids(fid_in) |
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|
| 184 |
IF (check) THEN |
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WRITE(*, *) & |
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'flinget_mat : fid_in, fid, varname :', fid_in, fid, TRIM(varname) |
| 187 |
WRITE(*, *) & |
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'flinget_mat : iim, jjm, llm, ttm, itau_dep, itau_fin :', & |
| 189 |
iim, jjm, llm, ttm, itau_dep, itau_fin |
| 190 |
WRITE(*, *) & |
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'flinget_mat : iideb, iilen, jjdeb, jjlen :', & |
| 192 |
iideb, iilen, jjdeb, jjlen |
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ENDIF |
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|
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uncompress = .FALSE. |
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|
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! 1.0 We get first all the details on this variable from the file |
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|
| 199 |
vid = -1 |
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iret = NF90_INQ_VARID (fid, varname, vid) |
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|
| 202 |
IF (vid < 0 .OR. iret /= NF90_NOERR) THEN |
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CALL histerr (3, 'flinget', & |
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'Variable '//TRIM(varname)//' not found in file', ' ', ' ') |
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ENDIF |
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|
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iret = NF90_INQUIRE_VARIABLE (fid, vid, & |
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ndims=ndims, dimids=dimids, nAtts=nb_atts) |
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IF (check) THEN |
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WRITE(*, *) & |
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'flinget_mat : fid, vid :', fid, vid |
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WRITE(*, *) & |
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'flinget_mat : ndims, dimids(1:ndims), nb_atts :', & |
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ndims, dimids(1:ndims), nb_atts |
| 215 |
ENDIF |
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|
| 217 |
w_dim(:) = 0 |
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DO i=1, ndims |
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iret = NF90_INQUIRE_DIMENSION (fid, dimids(i), len=w_dim(i)) |
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ENDDO |
| 221 |
IF (check) WRITE(*, *) & |
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'flinget_mat : w_dim :', w_dim(1:ndims) |
| 223 |
|
| 224 |
mis_v = 0.0 |
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|
| 226 |
IF (nb_atts > 0) THEN |
| 227 |
IF (check) THEN |
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WRITE(*, *) 'flinget_mat : attributes for variable :' |
| 229 |
ENDIF |
| 230 |
ENDIF |
| 231 |
DO i=1, nb_atts |
| 232 |
iret = NF90_INQ_ATTNAME (fid, vid, i, att_n) |
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iret = NF90_INQUIRE_ATTRIBUTE (fid, vid, att_n, xtype=x_typ) |
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CALL strlowercase (att_n) |
| 235 |
IF ( (x_typ == NF90_INT).OR.(x_typ == NF90_SHORT) & |
| 236 |
.OR.(x_typ == NF90_BYTE) ) THEN |
| 237 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_i) |
| 238 |
IF (check) THEN |
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WRITE(*, *) ' ', TRIM(att_n), ' : ', tmp_i |
| 240 |
ENDIF |
| 241 |
ELSE IF ( (x_typ == NF90_FLOAT).OR.(x_typ == NF90_DOUBLE) ) THEN |
| 242 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_r) |
| 243 |
IF (check) THEN |
| 244 |
WRITE(*, *) ' ', TRIM(att_n), ' : ', tmp_r |
| 245 |
ENDIF |
| 246 |
IF (index(att_n, 'missing_value') > 0) THEN |
| 247 |
mis_v = tmp_r |
| 248 |
ENDIF |
| 249 |
ELSE |
| 250 |
tmp_n = '' |
| 251 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_n) |
| 252 |
IF (check) THEN |
| 253 |
WRITE(*, *) ' ', TRIM(att_n), ' : ', TRIM(tmp_n) |
| 254 |
ENDIF |
| 255 |
ENDIF |
| 256 |
ENDDO |
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!? |
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!!!!!!!!!! We will need a verification on the type of the variable |
| 259 |
!? |
| 260 |
|
| 261 |
! 2.0 The dimensions are analysed to determine what is to be read |
| 262 |
|
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! 2.1 the longitudes |
| 264 |
|
| 265 |
IF ( w_dim(1) /= iim .OR. w_dim(2) /= jjm) THEN |
| 266 |
!--- |
| 267 |
!-- There is a possibility that we have to deal with a compressed axis ! |
| 268 |
!--- |
| 269 |
iret = NF90_INQUIRE_DIMENSION (fid, dimids(1), & |
| 270 |
name=tmp_n, len=clen) |
| 271 |
iret = NF90_INQ_VARID (fid, tmp_n, cvid) |
| 272 |
!--- |
| 273 |
IF (check) WRITE(*, *) & |
| 274 |
'Dimname, iret , NF90_NOERR : ', TRIM(tmp_n), iret, NF90_NOERR |
| 275 |
!--- |
| 276 |
!-- If we have an axis which has the same name |
| 277 |
!-- as the dimension we can see if it is compressed |
| 278 |
!--- |
| 279 |
!-- TODO TODO for zoom2d |
| 280 |
!--- |
| 281 |
IF (iret == NF90_NOERR) THEN |
| 282 |
iret = NF90_GET_ATT (fid, cvid, 'compress', str1) |
| 283 |
!----- |
| 284 |
IF (iret == NF90_NOERR) THEN |
| 285 |
iret = NF90_INQUIRE_VARIABLE (fid, cvid, xtype=x_typ, ndims=cnd) |
| 286 |
!------- |
| 287 |
IF ( cnd /= 1 .AND. x_typ /= NF90_INT) THEN |
| 288 |
CALL histerr (3, 'flinget', & |
| 289 |
'Variable '//TRIM(tmp_n)//' can not be a compressed axis', & |
| 290 |
'Either it has too many dimensions'// & |
| 291 |
' or it is not of type integer', ' ') |
| 292 |
ELSE |
| 293 |
!--------- |
| 294 |
!-------- Let us see if we already have that index table |
| 295 |
!--------- |
| 296 |
IF ( (cind_len /= clen).OR.(cind_vid /= cvid) & |
| 297 |
.OR.(cind_fid /= fid) ) THEN |
| 298 |
IF (ALLOCATED(cindex)) DEALLOCATE(cindex) |
| 299 |
ALLOCATE(cindex(clen)) |
| 300 |
cind_len = clen |
| 301 |
cind_vid = cvid |
| 302 |
cind_fid = fid |
| 303 |
iret = NF90_GET_VAR (fid, cvid, cindex) |
| 304 |
ENDIF |
| 305 |
!--------- |
| 306 |
!-------- In any case we need to set the slab of data to be read |
| 307 |
!--------- |
| 308 |
uncompress = .TRUE. |
| 309 |
w_sta(1) = 1 |
| 310 |
w_len(1) = clen |
| 311 |
i2d = 1 |
| 312 |
ENDIF |
| 313 |
ELSE |
| 314 |
str1 = 'The horizontal dimensions of '//varname |
| 315 |
CALL histerr (3, 'flinget', str1, & |
| 316 |
'is not compressed and does not'// & |
| 317 |
' correspond to the requested size', ' ') |
| 318 |
ENDIF |
| 319 |
ELSE |
| 320 |
IF (w_dim(1) /= iim) THEN |
| 321 |
str1 = 'The longitude dimension of '//varname |
| 322 |
CALL histerr (3, 'flinget', str1, & |
| 323 |
'in the file is not equal to the dimension', & |
| 324 |
'that should be read') |
| 325 |
ENDIF |
| 326 |
IF (w_dim(2) /= jjm) THEN |
| 327 |
str1 = 'The latitude dimension of '//varname |
| 328 |
CALL histerr (3, 'flinget', str1, & |
| 329 |
'in the file is not equal to the dimension', & |
| 330 |
'that should be read') |
| 331 |
ENDIF |
| 332 |
ENDIF |
| 333 |
ELSE |
| 334 |
w_sta(1:2) = (/ iideb, jjdeb /) |
| 335 |
w_len(1:2) = (/ iilen, jjlen /) |
| 336 |
i2d = 2 |
| 337 |
ENDIF |
| 338 |
|
| 339 |
! 2.3 Now the difficult part, the 3rd dimension which can be |
| 340 |
! time or levels. |
| 341 |
|
| 342 |
! Priority is given to the time axis if only three axes are present. |
| 343 |
|
| 344 |
IF (ndims > i2d) THEN |
| 345 |
!--- |
| 346 |
!-- 2.3.1 We have a vertical axis |
| 347 |
!--- |
| 348 |
IF (llm == 1 .AND. ndims == i2d+2 .OR. llm == w_dim(i2d+1)) THEN |
| 349 |
!----- |
| 350 |
IF (w_dim(i2d+1) /= llm) THEN |
| 351 |
CALL histerr (3, 'flinget', & |
| 352 |
'The vertical dimension of '//varname, & |
| 353 |
'in the file is not equal to the dimension', & |
| 354 |
'that should be read') |
| 355 |
ELSE |
| 356 |
w_sta(i2d+1) = 1 |
| 357 |
IF (llm > 0) THEN |
| 358 |
w_len(i2d+1) = llm |
| 359 |
ELSE |
| 360 |
w_len(i2d+1) = w_sta(i2d+1) |
| 361 |
ENDIF |
| 362 |
ENDIF |
| 363 |
!----- |
| 364 |
IF ((itau_fin-itau_dep) >= 0) THEN |
| 365 |
IF (ndims /= i2d+2) THEN |
| 366 |
CALL histerr (3, 'flinget', & |
| 367 |
'You attempt to read a time slab', & |
| 368 |
'but there is no time axis on this variable', varname) |
| 369 |
ELSE IF ((itau_fin - itau_dep) <= w_dim(i2d+2)) THEN |
| 370 |
w_sta(i2d+2) = itau_dep |
| 371 |
w_len(i2d+2) = itau_fin-itau_dep+1 |
| 372 |
ELSE |
| 373 |
CALL histerr (3, 'flinget', & |
| 374 |
'The time step you try to read is not', & |
| 375 |
'in the file (1)', varname) |
| 376 |
ENDIF |
| 377 |
ELSE IF (ndims == i2d+2 .AND. w_dim(i2d+2) > 1) THEN |
| 378 |
CALL histerr (3, 'flinget', & |
| 379 |
'There is a time axis in the file but no', & |
| 380 |
'time step give in the call', varname) |
| 381 |
ELSE |
| 382 |
w_sta(i2d+2) = 1 |
| 383 |
w_len(i2d+2) = 1 |
| 384 |
ENDIF |
| 385 |
ELSE |
| 386 |
!----- |
| 387 |
!---- 2.3.2 We do not have any vertical axis |
| 388 |
!----- |
| 389 |
IF (ndims == i2d+2) THEN |
| 390 |
CALL histerr (3, 'flinget', & |
| 391 |
'The file contains 4 dimensions', & |
| 392 |
'but only 3 are requestes for variable ', varname) |
| 393 |
ENDIF |
| 394 |
IF ((itau_fin-itau_dep) >= 0) THEN |
| 395 |
IF (ndims == i2d+1) THEN |
| 396 |
IF ((itau_fin-itau_dep) < w_dim(i2d+1) ) THEN |
| 397 |
w_sta(i2d+1) = itau_dep |
| 398 |
w_len(i2d+1) = itau_fin-itau_dep+1 |
| 399 |
ELSE |
| 400 |
CALL histerr (3, 'flinget', & |
| 401 |
'The time step you try to read is not', & |
| 402 |
'in the file (2)', varname) |
| 403 |
ENDIF |
| 404 |
ELSE |
| 405 |
CALL histerr (3, 'flinget', & |
| 406 |
'From your input you sould have 3 dimensions', & |
| 407 |
'in the file but there are 4', varname) |
| 408 |
ENDIF |
| 409 |
ELSE |
| 410 |
IF (ndims == i2d+1 .AND. w_dim(i2d+1) > 1) THEN |
| 411 |
CALL histerr (3, 'flinget', & |
| 412 |
'There is a time axis in the file but no', & |
| 413 |
'time step given in the call', varname) |
| 414 |
ELSE |
| 415 |
w_sta(i2d+1) = 1 |
| 416 |
w_len(i2d+1) = 1 |
| 417 |
ENDIF |
| 418 |
ENDIF |
| 419 |
ENDIF |
| 420 |
ELSE |
| 421 |
!--- |
| 422 |
!-- 2.3.3 We do not have any vertical axis |
| 423 |
!--- |
| 424 |
w_sta(i2d+1:i2d+2) = (/ 0, 0 /) |
| 425 |
w_len(i2d+1:i2d+2) = (/ 0, 0 /) |
| 426 |
ENDIF |
| 427 |
|
| 428 |
! 3.0 Reading the data |
| 429 |
|
| 430 |
IF (check) WRITE(*, *) & |
| 431 |
'flinget_mat 3.0 : ', uncompress, w_sta, w_len |
| 432 |
!--- |
| 433 |
IF (uncompress) THEN |
| 434 |
!--- |
| 435 |
IF (ALLOCATED(var_tmp)) THEN |
| 436 |
IF (SIZE(var_tmp) < clen) THEN |
| 437 |
DEALLOCATE(var_tmp) |
| 438 |
ALLOCATE(var_tmp(clen)) |
| 439 |
ENDIF |
| 440 |
ELSE |
| 441 |
ALLOCATE(var_tmp(clen)) |
| 442 |
ENDIF |
| 443 |
!--- |
| 444 |
iret = NF90_GET_VAR (fid, vid, var_tmp, & |
| 445 |
start=w_sta(:), count=w_len(:)) |
| 446 |
!--- |
| 447 |
var(:) = mis_v |
| 448 |
var(cindex(:)) = var_tmp(:) |
| 449 |
!--- |
| 450 |
ELSE |
| 451 |
iret = NF90_GET_VAR (fid, vid, var, & |
| 452 |
start=w_sta(:), count=w_len(:)) |
| 453 |
ENDIF |
| 454 |
|
| 455 |
IF (check) WRITE(*, *) 'flinget_mat 3.1 : ', NF90_STRERROR (iret) |
| 456 |
|
| 457 |
END SUBROUTINE flinget_mat |
| 458 |
|
| 459 |
END MODULE flinget_m |
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