| 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 |
END INTERFACE |
| 13 |
|
| 14 |
CONTAINS |
| 15 |
|
| 16 |
SUBROUTINE flinget_r2d & |
| 17 |
(fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var) |
| 18 |
!--------------------------------------------------------------------- |
| 19 |
IMPLICIT NONE |
| 20 |
|
| 21 |
INTEGER :: fid_in |
| 22 |
CHARACTER(LEN=*) :: varname |
| 23 |
INTEGER :: iim, jjm, llm, ttm, itau_dep, itau_fin |
| 24 |
REAL :: var(:,:) |
| 25 |
|
| 26 |
INTEGER :: jl, jj, ji |
| 27 |
REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp |
| 28 |
LOGICAL :: check = .FALSE. |
| 29 |
!--------------------------------------------------------------------- |
| 30 |
IF (.NOT.ALLOCATED(buff_tmp)) THEN |
| 31 |
IF (check) WRITE(*,*) & |
| 32 |
"flinget_r2d : allocate buff_tmp for buff_sz = ",SIZE(var) |
| 33 |
ALLOCATE (buff_tmp(SIZE(var))) |
| 34 |
ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN |
| 35 |
IF (check) WRITE(*,*) & |
| 36 |
"flinget_r2d : re-allocate buff_tmp for buff_sz = ",SIZE(var) |
| 37 |
DEALLOCATE (buff_tmp) |
| 38 |
ALLOCATE (buff_tmp(SIZE(var))) |
| 39 |
ENDIF |
| 40 |
|
| 41 |
CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, & |
| 42 |
itau_dep,itau_fin,1,iim,1,jjm,buff_tmp) |
| 43 |
|
| 44 |
jl=0 |
| 45 |
DO jj=1,SIZE(var,2) |
| 46 |
DO ji=1,SIZE(var,1) |
| 47 |
jl=jl+1 |
| 48 |
var(ji,jj) = buff_tmp(jl) |
| 49 |
ENDDO |
| 50 |
ENDDO |
| 51 |
!------------------------- |
| 52 |
END SUBROUTINE flinget_r2d |
| 53 |
|
| 54 |
!=== |
| 55 |
|
| 56 |
SUBROUTINE flinget_r3d(fid_in,varname,iim,jjm,llm,ttm,itau_dep,itau_fin,var) |
| 57 |
!--------------------------------------------------------------------- |
| 58 |
IMPLICIT NONE |
| 59 |
|
| 60 |
INTEGER, intent(in):: fid_in |
| 61 |
CHARACTER(LEN=*), intent(in):: varname |
| 62 |
INTEGER, intent(in):: iim, jjm, llm, ttm, itau_dep, itau_fin |
| 63 |
REAL, intent(out):: var(:,:,:) |
| 64 |
|
| 65 |
INTEGER :: jl, jk, jj, ji |
| 66 |
REAL,DIMENSION(:),ALLOCATABLE,SAVE :: buff_tmp |
| 67 |
LOGICAL :: check = .FALSE. |
| 68 |
!--------------------------------------------------------------------- |
| 69 |
IF (.NOT.ALLOCATED(buff_tmp)) THEN |
| 70 |
IF (check) WRITE(*,*) & |
| 71 |
"flinget_r3d : allocate buff_tmp for buff_sz = ",SIZE(var) |
| 72 |
ALLOCATE (buff_tmp(SIZE(var))) |
| 73 |
ELSE IF (SIZE(var) > SIZE(buff_tmp)) THEN |
| 74 |
IF (check) WRITE(*,*) & |
| 75 |
"flinget_r3d : re-allocate buff_tmp for buff_sz = ",SIZE(var) |
| 76 |
DEALLOCATE (buff_tmp) |
| 77 |
ALLOCATE (buff_tmp(SIZE(var))) |
| 78 |
ENDIF |
| 79 |
|
| 80 |
CALL flinget_mat (fid_in,varname,iim,jjm,llm,ttm, & |
| 81 |
itau_dep,itau_fin,1,iim,1,jjm,buff_tmp) |
| 82 |
|
| 83 |
jl=0 |
| 84 |
DO jk=1,SIZE(var,3) |
| 85 |
DO jj=1,SIZE(var,2) |
| 86 |
DO ji=1,SIZE(var,1) |
| 87 |
jl=jl+1 |
| 88 |
var(ji,jj,jk) = buff_tmp(jl) |
| 89 |
ENDDO |
| 90 |
ENDDO |
| 91 |
ENDDO |
| 92 |
!------------------------- |
| 93 |
END SUBROUTINE flinget_r3d |
| 94 |
|
| 95 |
!=== |
| 96 |
|
| 97 |
SUBROUTINE flinget_mat & |
| 98 |
(fid_in, varname, iim, jjm, llm, ttm, itau_dep, & |
| 99 |
itau_fin, iideb, iilen, jjdeb, jjlen, var) |
| 100 |
!--------------------------------------------------------------------- |
| 101 |
!- This subroutine will read the variable named varname from |
| 102 |
!- the file previously opened by flinopen and identified by fid |
| 103 |
|
| 104 |
!- It is checked that the dimensions of the variable to be read |
| 105 |
!- correspond to what the user requested when he specified |
| 106 |
!- iim, jjm and llm. The only exception which is allowed is |
| 107 |
!- for compressed data where the horizontal grid is not expected |
| 108 |
!- to be iim x jjm. |
| 109 |
|
| 110 |
!- If variable is of size zero a global attribute is read. |
| 111 |
!- This global attribute will be of type real |
| 112 |
|
| 113 |
!- INPUT |
| 114 |
|
| 115 |
!- fid : File ID returned by flinopen |
| 116 |
!- varname : Name of the variable to be read from the file |
| 117 |
!- iim : | These three variables give the size of the variables |
| 118 |
!- jjm : | to be read. It will be verified that the variables |
| 119 |
!- llm : | fits in there. |
| 120 |
!- ttm : | |
| 121 |
!- itau_dep : Time step at which we will start to read |
| 122 |
!- itau_fin : Time step until which we are going to read |
| 123 |
!- For the moment this is done on indexes |
| 124 |
!- but it should be in the physical space. |
| 125 |
!- If there is no time-axis in the file then use a |
| 126 |
!- itau_fin < itau_dep, this will tell flinget not to |
| 127 |
!- expect a time-axis in the file. |
| 128 |
!- iideb : index i for zoom |
| 129 |
!- iilen : length of zoom |
| 130 |
!- jjdeb : index j for zoom |
| 131 |
!- jjlen : length of zoom |
| 132 |
|
| 133 |
!- OUTPUT |
| 134 |
|
| 135 |
!- var : array that will contain the data |
| 136 |
!--------------------------------------------------------------------- |
| 137 |
USE strlowercase_m, ONLY : strlowercase |
| 138 |
USE errioipsl, ONLY : histerr |
| 139 |
USE netcdf, ONLY : nf90_byte, nf90_double, nf90_float, nf90_get_att, & |
| 140 |
nf90_get_var, nf90_inquire_attribute, nf90_inquire_dimension, & |
| 141 |
nf90_inquire_variable, nf90_inq_attname, nf90_inq_varid, nf90_int, & |
| 142 |
nf90_max_var_dims, nf90_noerr, nf90_short, nf90_strerror |
| 143 |
use flincom, only: ncids |
| 144 |
|
| 145 |
IMPLICIT NONE |
| 146 |
|
| 147 |
! ARGUMENTS |
| 148 |
|
| 149 |
INTEGER, intent(in):: fid_in |
| 150 |
CHARACTER(LEN=*), intent(in):: varname |
| 151 |
INTEGER, intent(in):: iim, jjm, llm, ttm, itau_dep, itau_fin |
| 152 |
INTEGER :: iideb |
| 153 |
integer, intent(in):: iilen |
| 154 |
integer jjdeb |
| 155 |
integer, intent(in):: jjlen |
| 156 |
REAL :: var(:) |
| 157 |
|
| 158 |
! LOCAL |
| 159 |
|
| 160 |
INTEGER, SAVE :: cind_vid |
| 161 |
INTEGER, SAVE :: cind_fid |
| 162 |
INTEGER, SAVE :: cind_len |
| 163 |
INTEGER,DIMENSION(:),ALLOCATABLE,SAVE :: cindex |
| 164 |
INTEGER,DIMENSION(4) :: w_sta, w_len, w_dim |
| 165 |
INTEGER :: iret, fid |
| 166 |
INTEGER :: vid, cvid, clen |
| 167 |
CHARACTER(LEN=70) :: str1 |
| 168 |
CHARACTER(LEN=250) :: att_n, tmp_n |
| 169 |
INTEGER :: tmp_i |
| 170 |
REAL,SAVE :: mis_v=0. |
| 171 |
REAL :: tmp_r |
| 172 |
INTEGER :: ndims, x_typ, nb_atts |
| 173 |
INTEGER,DIMENSION(NF90_MAX_VAR_DIMS) :: dimids |
| 174 |
INTEGER :: i, i2d, cnd |
| 175 |
REAL,DIMENSION(:),ALLOCATABLE,SAVE :: var_tmp |
| 176 |
LOGICAL :: uncompress = .FALSE. |
| 177 |
LOGICAL :: check = .FALSE. |
| 178 |
!--------------------------------------------------------------------- |
| 179 |
fid = ncids(fid_in) |
| 180 |
|
| 181 |
IF (check) THEN |
| 182 |
WRITE(*,*) & |
| 183 |
'flinget_mat : fid_in, fid, varname :', fid_in, fid, TRIM(varname) |
| 184 |
WRITE(*,*) & |
| 185 |
'flinget_mat : iim, jjm, llm, ttm, itau_dep, itau_fin :', & |
| 186 |
iim, jjm, llm, ttm, itau_dep, itau_fin |
| 187 |
WRITE(*,*) & |
| 188 |
'flinget_mat : iideb, iilen, jjdeb, jjlen :', & |
| 189 |
iideb, iilen, jjdeb, jjlen |
| 190 |
ENDIF |
| 191 |
|
| 192 |
uncompress = .FALSE. |
| 193 |
|
| 194 |
! 1.0 We get first all the details on this variable from the file |
| 195 |
|
| 196 |
vid = -1 |
| 197 |
iret = NF90_INQ_VARID (fid, varname, vid) |
| 198 |
|
| 199 |
IF (vid < 0 .OR. iret /= NF90_NOERR) THEN |
| 200 |
CALL histerr (3,'flinget', & |
| 201 |
'Variable '//TRIM(varname)//' not found in file',' ',' ') |
| 202 |
ENDIF |
| 203 |
|
| 204 |
iret = NF90_INQUIRE_VARIABLE (fid, vid, & |
| 205 |
ndims=ndims, dimids=dimids, nAtts=nb_atts) |
| 206 |
IF (check) THEN |
| 207 |
WRITE(*,*) & |
| 208 |
'flinget_mat : fid, vid :', fid, vid |
| 209 |
WRITE(*,*) & |
| 210 |
'flinget_mat : ndims, dimids(1:ndims), nb_atts :', & |
| 211 |
ndims, dimids(1:ndims), nb_atts |
| 212 |
ENDIF |
| 213 |
|
| 214 |
w_dim(:) = 0 |
| 215 |
DO i=1,ndims |
| 216 |
iret = NF90_INQUIRE_DIMENSION (fid, dimids(i), len=w_dim(i)) |
| 217 |
ENDDO |
| 218 |
IF (check) WRITE(*,*) & |
| 219 |
'flinget_mat : w_dim :', w_dim(1:ndims) |
| 220 |
|
| 221 |
mis_v = 0.0 |
| 222 |
|
| 223 |
IF (nb_atts > 0) THEN |
| 224 |
IF (check) THEN |
| 225 |
WRITE(*,*) 'flinget_mat : attributes for variable :' |
| 226 |
ENDIF |
| 227 |
ENDIF |
| 228 |
DO i=1,nb_atts |
| 229 |
iret = NF90_INQ_ATTNAME (fid, vid, i, att_n) |
| 230 |
iret = NF90_INQUIRE_ATTRIBUTE (fid, vid, att_n, xtype=x_typ) |
| 231 |
CALL strlowercase (att_n) |
| 232 |
IF ( (x_typ == NF90_INT).OR.(x_typ == NF90_SHORT) & |
| 233 |
.OR.(x_typ == NF90_BYTE) ) THEN |
| 234 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_i) |
| 235 |
IF (check) THEN |
| 236 |
WRITE(*,*) ' ',TRIM(att_n),' : ',tmp_i |
| 237 |
ENDIF |
| 238 |
ELSE IF ( (x_typ == NF90_FLOAT).OR.(x_typ == NF90_DOUBLE) ) THEN |
| 239 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_r) |
| 240 |
IF (check) THEN |
| 241 |
WRITE(*,*) ' ',TRIM(att_n),' : ',tmp_r |
| 242 |
ENDIF |
| 243 |
IF (index(att_n,'missing_value') > 0) THEN |
| 244 |
mis_v = tmp_r |
| 245 |
ENDIF |
| 246 |
ELSE |
| 247 |
tmp_n = '' |
| 248 |
iret = NF90_GET_ATT (fid, vid, att_n, tmp_n) |
| 249 |
IF (check) THEN |
| 250 |
WRITE(*,*) ' ',TRIM(att_n),' : ',TRIM(tmp_n) |
| 251 |
ENDIF |
| 252 |
ENDIF |
| 253 |
ENDDO |
| 254 |
!? |
| 255 |
!!!!!!!!!! We will need a verification on the type of the variable |
| 256 |
!? |
| 257 |
|
| 258 |
! 2.0 The dimensions are analysed to determine what is to be read |
| 259 |
|
| 260 |
! 2.1 the longitudes |
| 261 |
|
| 262 |
IF ( w_dim(1) /= iim .OR. w_dim(2) /= jjm) THEN |
| 263 |
!--- |
| 264 |
!-- There is a possibility that we have to deal with a compressed axis ! |
| 265 |
!--- |
| 266 |
iret = NF90_INQUIRE_DIMENSION (fid, dimids(1), & |
| 267 |
name=tmp_n, len=clen) |
| 268 |
iret = NF90_INQ_VARID (fid, tmp_n, cvid) |
| 269 |
!--- |
| 270 |
IF (check) WRITE(*,*) & |
| 271 |
'Dimname, iret , NF90_NOERR : ',TRIM(tmp_n),iret,NF90_NOERR |
| 272 |
!--- |
| 273 |
!-- If we have an axis which has the same name |
| 274 |
!-- as the dimension we can see if it is compressed |
| 275 |
!--- |
| 276 |
!-- TODO TODO for zoom2d |
| 277 |
!--- |
| 278 |
IF (iret == NF90_NOERR) THEN |
| 279 |
iret = NF90_GET_ATT (fid, cvid, 'compress', str1) |
| 280 |
!----- |
| 281 |
IF (iret == NF90_NOERR) THEN |
| 282 |
iret = NF90_INQUIRE_VARIABLE (fid,cvid,xtype=x_typ,ndims=cnd) |
| 283 |
!------- |
| 284 |
IF ( cnd /= 1 .AND. x_typ /= NF90_INT) THEN |
| 285 |
CALL histerr (3,'flinget', & |
| 286 |
'Variable '//TRIM(tmp_n)//' can not be a compressed axis', & |
| 287 |
'Either it has too many dimensions'// & |
| 288 |
' or it is not of type integer', ' ') |
| 289 |
ELSE |
| 290 |
!--------- |
| 291 |
!-------- Let us see if we already have that index table |
| 292 |
!--------- |
| 293 |
IF ( (cind_len /= clen).OR.(cind_vid /= cvid) & |
| 294 |
.OR.(cind_fid /= fid) ) THEN |
| 295 |
IF (ALLOCATED(cindex)) DEALLOCATE(cindex) |
| 296 |
ALLOCATE(cindex(clen)) |
| 297 |
cind_len = clen |
| 298 |
cind_vid = cvid |
| 299 |
cind_fid = fid |
| 300 |
iret = NF90_GET_VAR (fid, cvid, cindex) |
| 301 |
ENDIF |
| 302 |
!--------- |
| 303 |
!-------- In any case we need to set the slab of data to be read |
| 304 |
!--------- |
| 305 |
uncompress = .TRUE. |
| 306 |
w_sta(1) = 1 |
| 307 |
w_len(1) = clen |
| 308 |
i2d = 1 |
| 309 |
ENDIF |
| 310 |
ELSE |
| 311 |
str1 = 'The horizontal dimensions of '//varname |
| 312 |
CALL histerr (3,'flinget',str1, & |
| 313 |
'is not compressed and does not'// & |
| 314 |
' correspond to the requested size',' ') |
| 315 |
ENDIF |
| 316 |
ELSE |
| 317 |
IF (w_dim(1) /= iim) THEN |
| 318 |
str1 = 'The longitude dimension of '//varname |
| 319 |
CALL histerr (3,'flinget',str1, & |
| 320 |
'in the file is not equal to the dimension', & |
| 321 |
'that should be read') |
| 322 |
ENDIF |
| 323 |
IF (w_dim(2) /= jjm) THEN |
| 324 |
str1 = 'The latitude dimension of '//varname |
| 325 |
CALL histerr (3,'flinget',str1, & |
| 326 |
'in the file is not equal to the dimension', & |
| 327 |
'that should be read') |
| 328 |
ENDIF |
| 329 |
ENDIF |
| 330 |
ELSE |
| 331 |
w_sta(1:2) = (/ iideb, jjdeb /) |
| 332 |
w_len(1:2) = (/ iilen, jjlen /) |
| 333 |
i2d = 2 |
| 334 |
ENDIF |
| 335 |
|
| 336 |
! 2.3 Now the difficult part, the 3rd dimension which can be |
| 337 |
! time or levels. |
| 338 |
|
| 339 |
! Priority is given to the time axis if only three axes are present. |
| 340 |
|
| 341 |
IF (ndims > i2d) THEN |
| 342 |
!--- |
| 343 |
!-- 2.3.1 We have a vertical axis |
| 344 |
!--- |
| 345 |
IF (llm == 1 .AND. ndims == i2d+2 .OR. llm == w_dim(i2d+1)) THEN |
| 346 |
!----- |
| 347 |
IF (w_dim(i2d+1) /= llm) THEN |
| 348 |
CALL histerr (3,'flinget', & |
| 349 |
'The vertical dimension of '//varname, & |
| 350 |
'in the file is not equal to the dimension', & |
| 351 |
'that should be read') |
| 352 |
ELSE |
| 353 |
w_sta(i2d+1) = 1 |
| 354 |
IF (llm > 0) THEN |
| 355 |
w_len(i2d+1) = llm |
| 356 |
ELSE |
| 357 |
w_len(i2d+1) = w_sta(i2d+1) |
| 358 |
ENDIF |
| 359 |
ENDIF |
| 360 |
!----- |
| 361 |
IF ((itau_fin-itau_dep) >= 0) THEN |
| 362 |
IF (ndims /= i2d+2) THEN |
| 363 |
CALL histerr (3,'flinget', & |
| 364 |
'You attempt to read a time slab', & |
| 365 |
'but there is no time axis on this variable', varname) |
| 366 |
ELSE IF ((itau_fin - itau_dep) <= w_dim(i2d+2)) THEN |
| 367 |
w_sta(i2d+2) = itau_dep |
| 368 |
w_len(i2d+2) = itau_fin-itau_dep+1 |
| 369 |
ELSE |
| 370 |
CALL histerr (3,'flinget', & |
| 371 |
'The time step you try to read is not', & |
| 372 |
'in the file (1)', varname) |
| 373 |
ENDIF |
| 374 |
ELSE IF (ndims == i2d+2 .AND. w_dim(i2d+2) > 1) THEN |
| 375 |
CALL histerr (3,'flinget', & |
| 376 |
'There is a time axis in the file but no', & |
| 377 |
'time step give in the call', varname) |
| 378 |
ELSE |
| 379 |
w_sta(i2d+2) = 1 |
| 380 |
w_len(i2d+2) = 1 |
| 381 |
ENDIF |
| 382 |
ELSE |
| 383 |
!----- |
| 384 |
!---- 2.3.2 We do not have any vertical axis |
| 385 |
!----- |
| 386 |
IF (ndims == i2d+2) THEN |
| 387 |
CALL histerr (3,'flinget', & |
| 388 |
'The file contains 4 dimensions', & |
| 389 |
'but only 3 are requestes for variable ', varname) |
| 390 |
ENDIF |
| 391 |
IF ((itau_fin-itau_dep) >= 0) THEN |
| 392 |
IF (ndims == i2d+1) THEN |
| 393 |
IF ((itau_fin-itau_dep) < w_dim(i2d+1) ) THEN |
| 394 |
w_sta(i2d+1) = itau_dep |
| 395 |
w_len(i2d+1) = itau_fin-itau_dep+1 |
| 396 |
ELSE |
| 397 |
CALL histerr (3,'flinget', & |
| 398 |
'The time step you try to read is not', & |
| 399 |
'in the file (2)', varname) |
| 400 |
ENDIF |
| 401 |
ELSE |
| 402 |
CALL histerr (3,'flinget', & |
| 403 |
'From your input you sould have 3 dimensions', & |
| 404 |
'in the file but there are 4', varname) |
| 405 |
ENDIF |
| 406 |
ELSE |
| 407 |
IF (ndims == i2d+1 .AND. w_dim(i2d+1) > 1) THEN |
| 408 |
CALL histerr (3,'flinget', & |
| 409 |
'There is a time axis in the file but no', & |
| 410 |
'time step given in the call', varname) |
| 411 |
ELSE |
| 412 |
w_sta(i2d+1) = 1 |
| 413 |
w_len(i2d+1) = 1 |
| 414 |
ENDIF |
| 415 |
ENDIF |
| 416 |
ENDIF |
| 417 |
ELSE |
| 418 |
!--- |
| 419 |
!-- 2.3.3 We do not have any vertical axis |
| 420 |
!--- |
| 421 |
w_sta(i2d+1:i2d+2) = (/ 0, 0 /) |
| 422 |
w_len(i2d+1:i2d+2) = (/ 0, 0 /) |
| 423 |
ENDIF |
| 424 |
|
| 425 |
! 3.0 Reading the data |
| 426 |
|
| 427 |
IF (check) WRITE(*,*) & |
| 428 |
'flinget_mat 3.0 : ', uncompress, w_sta, w_len |
| 429 |
!--- |
| 430 |
IF (uncompress) THEN |
| 431 |
!--- |
| 432 |
IF (ALLOCATED(var_tmp)) THEN |
| 433 |
IF (SIZE(var_tmp) < clen) THEN |
| 434 |
DEALLOCATE(var_tmp) |
| 435 |
ALLOCATE(var_tmp(clen)) |
| 436 |
ENDIF |
| 437 |
ELSE |
| 438 |
ALLOCATE(var_tmp(clen)) |
| 439 |
ENDIF |
| 440 |
!--- |
| 441 |
iret = NF90_GET_VAR (fid, vid, var_tmp, & |
| 442 |
start=w_sta(:), count=w_len(:)) |
| 443 |
!--- |
| 444 |
var(:) = mis_v |
| 445 |
var(cindex(:)) = var_tmp(:) |
| 446 |
!--- |
| 447 |
ELSE |
| 448 |
iret = NF90_GET_VAR (fid, vid, var, & |
| 449 |
start=w_sta(:), count=w_len(:)) |
| 450 |
ENDIF |
| 451 |
|
| 452 |
IF (check) WRITE(*,*) 'flinget_mat 3.1 : ',NF90_STRERROR (iret) |
| 453 |
!-------------------------- |
| 454 |
END SUBROUTINE flinget_mat |
| 455 |
|
| 456 |
END MODULE flinget_m |
Parent Directory
| 
Revision Log