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source: branches/nemo_v3_3_beta/NEMOGCM/EXTERNAL/IOIPSL/src/histcom.f90 @ 2281

Last change on this file since 2281 was 2281, checked in by smasson, 14 years ago
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1	MODULE histcom
2	!-
3	!$Id$
4	!-
5	! This software is governed by the CeCILL license
6	! See IOIPSL/IOIPSL_License_CeCILL.txt
7	!-
8	USE netcdf
9	!-
10	USE stringop, ONLY : nocomma,cmpblank,findpos,find_str,strlowercase
11	USE mathelp, ONLY : mathop,moycum,buildop
12	USE fliocom, ONLY : flio_dom_file,flio_dom_att
13	USE calendar
14	USE errioipsl, ONLY : ipslerr,ipsldbg
15	!-
16	IMPLICIT NONE
17	!-
18	PRIVATE
19	PUBLIC :: histbeg,histdef,histhori,histvert,histend, &
20	& histwrite,histclo,histsync,ioconf_modname
21	!---------------------------------------------------------------------
22	!- Some confusing vocabulary in this code !
23	!- =========================================
24	!-
25	!- A REGULAR grid is a grid which is i,j indexes
26	!- and thus it is stored in a 2D matrix.
27	!- This is opposed to a IRREGULAR grid which is only in a vector
28	!- and where we do not know which neighbors we have.
29	!- As a consequence we need the bounds for each grid-cell.
30	!-
31	!- A RECTILINEAR grid is a special case of a regular grid
32	!- in which all longitudes for i constant are equal
33	!- and all latitudes for j constant.
34	!- In other words we do not need the full 2D matrix
35	!- to describe the grid, just two vectors.
36	!---------------------------------------------------------------------
37	!-
38	INTERFACE histbeg
39	MODULE PROCEDURE histb_reg1d,histb_reg2d,histb_irreg
40	END INTERFACE
41	!-
42	INTERFACE histhori
43	MODULE PROCEDURE histh_reg1d,histh_reg2d,histh_irreg
44	END INTERFACE
45	!-
46	INTERFACE histwrite
47	!---------------------------------------------------------------------
48	!- The "histwrite" routines will give the data to the I/O system.
49	!- It will trigger the operations to be performed,
50	!- and the writting to the file if needed
51	!-
52	!- We test for the work to be done at this time here so that at a
53	!- later stage we can call different operation and write subroutine
54	!- for the REAL and INTEGER interfaces
55	!-
56	!- INPUT
57	!- idf : The ID of the file on which this variable is to be,
58	!- written. The variable should have been defined in
59	!- this file before.
60	!- pvarname : The short name of the variable
61	!- pitau : Current timestep
62	!- pdata : The variable, I mean the real data !
63	!- nbindex : The number of indexes provided. If it is equal to
64	!- the size of the full field as provided in histdef
65	!- then nothing is done.
66	!- nindex : The indices used to expand the variable (pdata)
67	!- onto the full field.
68	!---------------------------------------------------------------------
69	!- histwrite - we have to prepare different type of fields :
70	!- real and integer, 1,2 or 3D
71	MODULE PROCEDURE histwrite_r1d,histwrite_r2d,histwrite_r3d
72	END INTERFACE
73	!-
74	! Fixed parameter
75	!-
76	INTEGER,PARAMETER :: nb_files_max=20,nb_var_max=400, &
77	& nb_hax_max=5,nb_zax_max=10,nbopp_max=10
78	REAL,PARAMETER :: missing_val=nf90_fill_real
79	INTEGER,PARAMETER,PUBLIC :: &
80	& hist_r4=nf90_real4, hist_r8=nf90_real8
81	!-
82	! Variable derived type
83	!-
84	TYPE T_D_V
85	INTEGER :: ncvid
86	INTEGER :: nbopp
87	CHARACTER(LEN=20) :: v_name,unit_name
88	CHARACTER(LEN=256) :: title,std_name
89	CHARACTER(LEN=80) :: fullop
90	CHARACTER(LEN=7) :: topp
91	CHARACTER(LEN=7),DIMENSION(nbopp_max) :: sopp
92	REAL,DIMENSION(nbopp_max) :: scal
93	!-External type (for R4/R8)
94	INTEGER :: v_typ
95	!-Sizes of the associated grid and zommed area
96	INTEGER,DIMENSION(3) :: scsize,zorig,zsize
97	!-Sizes for the data as it goes through the various math operations
98	INTEGER,DIMENSION(3) :: datasz_in = -1
99	INTEGER :: datasz_max = -1
100	!-
101	INTEGER :: h_axid,z_axid,t_axid
102	!-
103	REAL,DIMENSION(2) :: hist_minmax
104	LOGICAL :: hist_calc_rng=.FALSE.,hist_wrt_rng=.FALSE.
105	!-Book keeping of the axes
106	INTEGER :: tdimid,tbndid=-1,tax_last
107	LOGICAL :: l_bnd
108	CHARACTER(LEN=40) :: tax_name
109	!-
110	REAL :: freq_opp,freq_wrt
111	INTEGER :: &
112	& last_opp,last_wrt,last_opp_chk,last_wrt_chk,nb_opp,nb_wrt
113	!- For future optimization
114	REAL,POINTER,DIMENSION(:) :: t_bf
115	!# REAL,ALLOCATABLE,DIMENSION(:) :: V_1_D
116	!# REAL,ALLOCATABLE,DIMENSION(:,:) :: V_2_D
117	!# REAL,ALLOCATABLE,DIMENSION(:,:,:) :: V_3_D
118	END TYPE T_D_V
119	!-
120	! File derived type
121	!-
122	TYPE :: T_D_F
123	!-NETCDF IDs for file
124	INTEGER :: ncfid=-1
125	!-Time variables
126	INTEGER :: itau0=0
127	REAL :: date0,deltat
128	!-Counter of elements (variables, time-horizontal-vertical axis
129	INTEGER :: n_var=0,n_tax=0,n_hax=0,n_zax=0
130	!-NETCDF dimension IDs for time-[time_bounds]-longitude-latitude
131	INTEGER :: tid,bid,xid,yid
132	!-General definitions in the NETCDF file
133	INTEGER,DIMENSION(2) :: full_size=0,slab_ori,slab_siz
134	!-The horizontal axes
135	CHARACTER(LEN=25),DIMENSION(nb_hax_max,2) :: hax_name
136	!-The vertical axes
137	INTEGER,DIMENSION(nb_zax_max) :: zax_size,zax_ids
138	CHARACTER(LEN=20),DIMENSION(nb_zax_max) :: zax_name
139	!-
140	LOGICAL :: regular=.TRUE.
141	!-DOMAIN ID
142	INTEGER :: dom_id_svg=-1
143	!-
144	TYPE(T_D_V),DIMENSION(nb_var_max) :: W_V
145	END TYPE T_D_F
146	!-
147	TYPE(T_D_F),DIMENSION(nb_files_max),SAVE :: W_F
148	!-
149	! A list of functions which require special action
150	! (Needs to be updated when functions are added
151	! but they are well located here)
152	!-
153	CHARACTER(LEN=30),SAVE :: fuchnbout = 'scatter, fill'
154	!- Some configurable variables with locks
155	CHARACTER(LEN=80),SAVE :: model_name='An IPSL model'
156	LOGICAL,SAVE :: lock_modname=.FALSE.
157	!-
158	!===
159	CONTAINS
160	!===
161	!-
162	SUBROUTINE histb_reg1d &
163	& (pfilename,pim,plon,pjm,plat, &
164	& par_orix,par_szx,par_oriy,par_szy, &
165	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
166	!---------------------------------------------------------------------
167	!- histbeg for 1D regular horizontal coordinates (see histb_all)
168	!---------------------------------------------------------------------
169	IMPLICIT NONE
170	!-
171	CHARACTER(LEN=*) :: pfilename
172	INTEGER,INTENT(IN) :: pim,pjm
173	REAL,DIMENSION(pim),INTENT(IN) :: plon
174	REAL,DIMENSION(pjm),INTENT(IN) :: plat
175	INTEGER,INTENT(IN):: par_orix,par_szx,par_oriy,par_szy
176	INTEGER,INTENT(IN) :: pitau0
177	REAL,INTENT(IN) :: pdate0,pdeltat
178	INTEGER,INTENT(OUT) :: idf,phoriid
179	INTEGER,INTENT(IN),OPTIONAL :: domain_id
180	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
181	!---------------------------------------------------------------------
182	CALL histb_all &
183	& (1,pfilename,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
184	& x_1d=plon,y_1d=plat, &
185	& k_orx=par_orix,k_szx=par_szx,k_ory=par_oriy,k_szy=par_szy, &
186	& domain_id=domain_id,mode=mode)
187	!-------------------------
188	END SUBROUTINE histb_reg1d
189	!===
190	SUBROUTINE histb_reg2d &
191	& (pfilename,pim,plon,pjm,plat, &
192	& par_orix,par_szx,par_oriy,par_szy, &
193	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
194	!---------------------------------------------------------------------
195	!- histbeg for 2D regular horizontal coordinates (see histb_all)
196	!---------------------------------------------------------------------
197	IMPLICIT NONE
198	!-
199	CHARACTER(LEN=*) :: pfilename
200	INTEGER,INTENT(IN) :: pim,pjm
201	REAL,DIMENSION(pim,pjm),INTENT(IN) :: plon,plat
202	INTEGER,INTENT(IN):: par_orix,par_szx,par_oriy,par_szy
203	INTEGER,INTENT(IN) :: pitau0
204	REAL,INTENT(IN) :: pdate0,pdeltat
205	INTEGER,INTENT(OUT) :: idf,phoriid
206	INTEGER,INTENT(IN),OPTIONAL :: domain_id
207	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
208	!---------------------------------------------------------------------
209	CALL histb_all &
210	& (2,pfilename,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
211	& x_2d=plon,y_2d=plat, &
212	& k_orx=par_orix,k_szx=par_szx,k_ory=par_oriy,k_szy=par_szy, &
213	& domain_id=domain_id,mode=mode)
214	!-------------------------
215	END SUBROUTINE histb_reg2d
216	!===
217	SUBROUTINE histb_irreg &
218	& (pfilename,pim,plon,plon_bounds,plat,plat_bounds, &
219	& pitau0,pdate0,pdeltat,phoriid,idf,domain_id,mode)
220	!---------------------------------------------------------------------
221	!- histbeg for irregular horizontal coordinates (see histb_all)
222	!---------------------------------------------------------------------
223	IMPLICIT NONE
224	!-
225	CHARACTER(LEN=*) :: pfilename
226	INTEGER,INTENT(IN) :: pim
227	REAL,DIMENSION(pim),INTENT(IN) :: plon,plat
228	REAL,DIMENSION(:,:),INTENT(IN) :: plon_bounds,plat_bounds
229	INTEGER,INTENT(IN) :: pitau0
230	REAL,INTENT(IN) :: pdate0,pdeltat
231	INTEGER,INTENT(OUT) :: idf,phoriid
232	INTEGER,INTENT(IN),OPTIONAL :: domain_id
233	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
234	!---------------------------------------------------------------------
235	CALL histb_all &
236	& (3,pfilename,pim,pim,pitau0,pdate0,pdeltat,phoriid,idf, &
237	& x_1d=plon,y_1d=plat,x_bnds=plon_bounds,y_bnds=plat_bounds, &
238	& domain_id=domain_id,mode=mode)
239	!-------------------------
240	END SUBROUTINE histb_irreg
241	!===
242	SUBROUTINE histb_all &
243	& (k_typ,nc_name,pim,pjm,pitau0,pdate0,pdeltat,phoriid,idf, &
244	& x_1d,y_1d,x_2d,y_2d,k_orx,k_szx,k_ory,k_szy, &
245	& x_bnds,y_bnds,domain_id,mode)
246	!---------------------------------------------------------------------
247	!- General interface for horizontal grids.
248	!- This subroutine initializes a netcdf file and returns the ID.
249	!- It will set up the geographical space on which the data will be
250	!- stored and offers the possibility of seting a zoom.
251	!- In the case of irregular grids, all the data comes in as vectors
252	!- and for the grid we have the coordinates of the 4 corners.
253	!- It also gets the global parameters into the I/O subsystem.
254	!-
255	!- INPUT
256	!-
257	!- k_typ : Type of the grid (1 rectilinear, 2 regular, 3 irregular)
258	!- nc_name : Name of the netcdf file to be created
259	!- pim : Size of arrays in longitude direction
260	!- pjm : Size of arrays in latitude direction (pjm=pim for type 3)
261	!-
262	!- pitau0 : time step at which the history tape starts
263	!- pdate0 : The Julian date at which the itau was equal to 0
264	!- pdeltat : Time step, in seconds, of the counter itau
265	!- used in histwrite for instance
266	!-
267	!- OUTPUT
268	!-
269	!- phoriid : Identifier of the horizontal grid
270	!- idf : Identifier of the file
271	!-
272	!- Optional INPUT arguments
273	!-
274	!- For rectilinear or irregular grid
275	!- x_1d : The longitudes
276	!- y_1d : The latitudes
277	!- For regular grid
278	!- x_2d : The longitudes
279	!- y_2d : The latitudes
280	!- One pair (x_1d,y_1d) or (x_2d,y_2d) must be supplied.
281	!-
282	!- For regular grid (reg1d or reg2d),
283	!- the next 4 arguments allow to define a horizontal zoom
284	!- for this file. It is assumed that all variables to come
285	!- have the same index space. This can not be assumed for
286	!- the z axis and thus we define the zoom in histdef.
287	!- k_orx : Origin of the slab of data within the X axis (pim)
288	!- k_szx : Size of the slab of data in X
289	!- k_ory : Origin of the slab of data within the Y axis (pjm)
290	!- k_szy : Size of the slab of data in Y
291	!-
292	!- For irregular grid.
293	!- x_bnds : The boundaries of the grid in longitude
294	!- y_bnds : The boundaries of the grid in latitude
295	!-
296	!- For all grids.
297	!-
298	!- domain_id : Domain identifier
299	!-
300	!- mode : String of (case insensitive) blank-separated words
301	!- defining the mode used to create the file.
302	!- Supported keywords : 32, 64
303	!- "32/64" defines the offset mode.
304	!- The default offset mode is 64 bits.
305	!- Keywords "NETCDF4" and "CLASSIC" are reserved
306	!- for future use.
307	!---------------------------------------------------------------------
308	IMPLICIT NONE
309	!-
310	INTEGER,INTENT(IN) :: k_typ
311	CHARACTER(LEN=*),INTENT(IN) :: nc_name
312	INTEGER,INTENT(IN) :: pim,pjm
313	INTEGER,INTENT(IN) :: pitau0
314	REAL,INTENT(IN) :: pdate0,pdeltat
315	INTEGER,INTENT(OUT) :: idf,phoriid
316	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: x_1d,y_1d
317	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_2d,y_2d
318	INTEGER,INTENT(IN),OPTIONAL :: k_orx,k_szx,k_ory,k_szy
319	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_bnds,y_bnds
320	INTEGER,INTENT(IN),OPTIONAL :: domain_id
321	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: mode
322	!-
323	INTEGER :: nfid,iret,m_c
324	CHARACTER(LEN=120) :: file
325	CHARACTER(LEN=30) :: timenow
326	CHARACTER(LEN=11) :: c_nam
327	LOGICAL :: l_dbg
328	!---------------------------------------------------------------------
329	CALL ipsldbg (old_status=l_dbg)
330	!-
331	IF (k_typ == 1) THEN
332	c_nam = 'histb_reg1d'
333	ELSEIF (k_typ == 2) THEN
334	c_nam = 'histb_reg2d'
335	ELSEIF (k_typ == 3) THEN
336	c_nam = 'histb_irreg'
337	ELSE
338	CALL ipslerr (3,"histbeg", &
339	& 'Illegal value of k_typ argument','in internal interface','?')
340	ENDIF
341	!-
342	IF (l_dbg) WRITE(,) c_nam//" 0.0"
343	!-
344	! Search for a free index
345	!-
346	idf = -1
347	DO nfid=1,nb_files_max
348	IF (W_F(nfid)%ncfid < 0) THEN
349	idf = nfid; EXIT;
350	ENDIF
351	ENDDO
352	IF (idf < 0) THEN
353	CALL ipslerr (3,"histbeg", &
354	& 'Table of files too small. You should increase nb_files_max', &
355	& 'in histcom.f90 in order to accomodate all these files',' ')
356	ENDIF
357	!-
358	! 1.0 Transfering into the common for future use
359	!-
360	IF (l_dbg) WRITE(,) c_nam//" 1.0"
361	!-
362	W_F(idf)%itau0 = pitau0
363	W_F(idf)%date0 = pdate0
364	W_F(idf)%deltat = pdeltat
365	!-
366	! 2.0 Initializes all variables for this file
367	!-
368	IF (l_dbg) WRITE(,) c_nam//" 2.0"
369	!-
370	W_F(idf)%n_var = 0
371	W_F(idf)%n_tax = 0
372	W_F(idf)%n_hax = 0
373	W_F(idf)%n_zax = 0
374	!-
375	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
376	W_F(idf)%slab_ori(1:2) = (/ k_orx,k_ory /)
377	W_F(idf)%slab_siz(1:2) = (/ k_szx,k_szy /)
378	ELSE
379	W_F(idf)%slab_ori(1:2) = (/ 1,1 /)
380	W_F(idf)%slab_siz(1:2) = (/ pim,1 /)
381	ENDIF
382	!-
383	! 3.0 Opening netcdf file and defining dimensions
384	!-
385	IF (l_dbg) WRITE(,) c_nam//" 3.0"
386	!-
387	! Add DOMAIN number and ".nc" suffix in file name if needed
388	!-
389	file = nc_name
390	CALL flio_dom_file (file,domain_id)
391	!-
392	! Check the mode
393	!? See fliocom for HDF4 ????????????????????????????????????????????????
394	!-
395	IF (PRESENT(mode)) THEN
396	SELECT CASE (TRIM(mode))
397	CASE('32')
398	m_c = NF90_CLOBBER
399	CASE('64')
400	m_c = IOR(NF90_CLOBBER,NF90_64BIT_OFFSET)
401	CASE DEFAULT
402	CALL ipslerr (3,"histbeg", &
403	& 'Invalid argument mode for file :',TRIM(file), &
404	& 'Supported values are 32 or 64')
405	END SELECT
406	ELSE
407	m_c = IOR(NF90_CLOBBER,NF90_64BIT_OFFSET)
408	ENDIF
409	!-
410	! Create file
411	!-
412	iret = NF90_CREATE(file,m_c,nfid)
413	!-
414	IF (k_typ == 1) THEN
415	iret = NF90_DEF_DIM(nfid,'lon',k_szx,W_F(idf)%xid)
416	iret = NF90_DEF_DIM(nfid,'lat',k_szy,W_F(idf)%yid)
417	ELSEIF (k_typ == 2) THEN
418	iret = NF90_DEF_DIM(nfid,'x',k_szx,W_F(idf)%xid)
419	iret = NF90_DEF_DIM(nfid,'y',k_szy,W_F(idf)%yid)
420	ELSEIF (k_typ == 3) THEN
421	iret = NF90_DEF_DIM(nfid,'x',pim,W_F(idf)%xid)
422	W_F(idf)%yid = W_F(idf)%xid
423	ENDIF
424	!-
425	! 4.0 Declaring the geographical coordinates and other attributes
426	!-
427	IF (l_dbg) WRITE(,) c_nam//" 4.0"
428	!-
429	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'Conventions','CF-1.1')
430	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'file_name',TRIM(file))
431	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'production',TRIM(model_name))
432	lock_modname = .TRUE.
433	CALL ioget_timestamp (timenow)
434	iret = NF90_PUT_ATT(nfid,NF90_GLOBAL,'TimeStamp',TRIM(timenow))
435	!-
436	! 5.0 Saving some important information on this file in the common
437	!-
438	IF (l_dbg) WRITE(,) c_nam//" 5.0"
439	!-
440	IF (PRESENT(domain_id)) THEN
441	W_F(idf)%dom_id_svg = domain_id
442	ENDIF
443	W_F(idf)%ncfid = nfid
444	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
445	W_F(idf)%full_size(1:2) = (/ pim,pjm /)
446	W_F(idf)%regular=.TRUE.
447	ELSEIF (k_typ == 3) THEN
448	W_F(idf)%full_size(1:2) = (/ pim,1 /)
449	W_F(idf)%regular=.FALSE.
450	ENDIF
451	!-
452	! 6.0 storing the geographical coordinates
453	!-
454	IF (k_typ == 1) THEN
455	CALL histh_all &
456	& (k_typ,idf,pim,pjm,' ','Default grid',phoriid, &
457	& x_1d=x_1d,y_1d=y_1d)
458	ELSEIF (k_typ == 2) THEN
459	CALL histh_all &
460	& (k_typ,idf,pim,pjm,' ','Default grid',phoriid, &
461	& x_2d=x_2d,y_2d=y_2d)
462	ELSEIF (k_typ == 3) THEN
463	CALL histh_all &
464	& (k_typ,idf,pim,pim,' ','Default grid',phoriid, &
465	& x_1d=x_1d,y_1d=y_1d,x_bnds=x_bnds,y_bnds=y_bnds)
466	ENDIF
467	!-----------------------
468	END SUBROUTINE histb_all
469	!===
470	SUBROUTINE histh_reg1d &
471	& (idf,pim,plon,pjm,plat,phname,phtitle,phid)
472	!---------------------------------------------------------------------
473	!- histhori for 1d regular grid (see histh_all)
474	!---------------------------------------------------------------------
475	IMPLICIT NONE
476	!-
477	INTEGER,INTENT(IN) :: idf,pim,pjm
478	REAL,INTENT(IN),DIMENSION(:) :: plon,plat
479	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
480	INTEGER,INTENT(OUT) :: phid
481	!---------------------------------------------------------------------
482	CALL histh_all &
483	& (1,idf,pim,pjm,phname,phtitle,phid,x_1d=plon,y_1d=plat)
484	!-------------------------
485	END SUBROUTINE histh_reg1d
486	!===
487	SUBROUTINE histh_reg2d &
488	& (idf,pim,plon,pjm,plat,phname,phtitle,phid)
489	!---------------------------------------------------------------------
490	!- histhori for 2d regular grid (see histh_all)
491	!---------------------------------------------------------------------
492	IMPLICIT NONE
493	!-
494	INTEGER,INTENT(IN) :: idf,pim,pjm
495	REAL,INTENT(IN),DIMENSION(:,:) :: plon,plat
496	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
497	INTEGER,INTENT(OUT) :: phid
498	!---------------------------------------------------------------------
499	CALL histh_all &
500	& (2,idf,pim,pjm,phname,phtitle,phid,x_2d=plon,y_2d=plat)
501	!-------------------------
502	END SUBROUTINE histh_reg2d
503	!===
504	SUBROUTINE histh_irreg &
505	& (idf,pim,plon,plon_bounds,plat,plat_bounds,phname,phtitle,phid)
506	!---------------------------------------------------------------------
507	!- histhori for irregular grid (see histh_all)
508	!---------------------------------------------------------------------
509	IMPLICIT NONE
510	!-
511	INTEGER,INTENT(IN) :: idf,pim
512	REAL,DIMENSION(:),INTENT(IN) :: plon,plat
513	REAL,DIMENSION(:,:),INTENT(IN) :: plon_bounds,plat_bounds
514	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
515	INTEGER,INTENT(OUT) :: phid
516	!---------------------------------------------------------------------
517	CALL histh_all &
518	& (3,idf,pim,pim,phname,phtitle,phid, &
519	& x_1d=plon,y_1d=plat,x_bnds=plon_bounds,y_bnds=plat_bounds)
520	!-------------------------
521	END SUBROUTINE histh_irreg
522	!===
523	SUBROUTINE histh_all &
524	& (k_typ,idf,pim,pjm,phname,phtitle,phid, &
525	& x_1d,y_1d,x_2d,y_2d,x_bnds,y_bnds)
526	!---------------------------------------------------------------------
527	!- General interface for horizontal grids.
528	!- This subroutine is made to declare a new horizontal grid.
529	!- It has to have the same number of points as
530	!- the original and thus in this routine we will only
531	!- add two variable (longitude and latitude).
532	!- Any variable in the file can thus point to this pair
533	!- through an attribute. This routine is very usefull
534	!- to allow staggered grids.
535	!-
536	!- INPUT
537	!-
538	!- k_typ : Type of the grid (1 rectilinear, 2 regular, 3 irregular)
539	!- idf : The id of the file to which the grid should be added
540	!- pim : Size in the longitude direction
541	!- pjm : Size in the latitude direction (pjm=pim for type 3)
542	!- phname : The name of grid
543	!- phtitle : The title of the grid
544	!-
545	!- OUTPUT
546	!-
547	!- phid : Id of the created grid
548	!-
549	!- Optional INPUT arguments
550	!-
551	!- For rectilinear or irregular grid
552	!- x_1d : The longitudes
553	!- y_1d : The latitudes
554	!- For regular grid
555	!- x_2d : The longitudes
556	!- y_2d : The latitudes
557	!- One pair (x_1d,y_1d) or (x_2d,y_2d) must be supplied.
558	!-
559	!- For irregular grid.
560	!- x_bnds : The boundaries of the grid in longitude
561	!- y_bnds : The boundaries of the grid in latitude
562	!---------------------------------------------------------------------
563	IMPLICIT NONE
564	!-
565	INTEGER,INTENT(IN) :: k_typ
566	INTEGER,INTENT(IN) :: idf,pim,pjm
567	CHARACTER(LEN=*),INTENT(IN) :: phname,phtitle
568	INTEGER,INTENT(OUT) :: phid
569	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: x_1d,y_1d
570	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_2d,y_2d
571	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: x_bnds,y_bnds
572	!-
573	CHARACTER(LEN=25) :: lon_name,lat_name
574	CHARACTER(LEN=30) :: lonbound_name,latbound_name
575	INTEGER :: i_s,i_e
576	INTEGER,DIMENSION(2) :: dims,dims_b
577	INTEGER :: nbbounds
578	INTEGER :: nlonidb,nlatidb,twoid
579	LOGICAL :: transp = .FALSE.
580	REAL,ALLOCATABLE,DIMENSION(:,:) :: bounds_trans
581	REAL :: wmn,wmx
582	INTEGER :: nlonid,nlatid
583	INTEGER :: o_x,o_y,s_x,s_y
584	INTEGER :: iret,nfid
585	CHARACTER(LEN=11) :: c_nam
586	LOGICAL :: l_dbg
587	!---------------------------------------------------------------------
588	CALL ipsldbg (old_status=l_dbg)
589	!-
590	IF (k_typ == 1) THEN
591	c_nam = 'histh_reg1d'
592	ELSEIF (k_typ == 2) THEN
593	c_nam = 'histh_reg2d'
594	ELSEIF (k_typ == 3) THEN
595	c_nam = 'histh_irreg'
596	ELSE
597	CALL ipslerr (3,"histhori", &
598	& 'Illegal value of k_typ argument','in internal interface','?')
599	ENDIF
600	!-
601	! 1.0 Check that all fits in the buffers
602	!-
603	IF ( (pim /= W_F(idf)%full_size(1)) &
604	& .OR.(W_F(idf)%regular.AND.(pjm /= W_F(idf)%full_size(2))) &
605	& .OR.(.NOT.W_F(idf)%regular.AND.(W_F(idf)%full_size(2) /= 1)) ) THEN
606	CALL ipslerr (3,"histhori", &
607	& 'The new horizontal grid does not have the same size', &
608	& 'as the one provided to histbeg. This is not yet ', &
609	& 'possible in the hist package.')
610	ENDIF
611	!-
612	! 1.1 Create all the variables needed
613	!-
614	IF (l_dbg) WRITE(,) c_nam//" 1.0"
615	!-
616	nfid = W_F(idf)%ncfid
617	!-
618	IF (k_typ == 3) THEN
619	IF (SIZE(x_bnds,DIM=1) == pim) THEN
620	nbbounds = SIZE(x_bnds,DIM=2)
621	transp = .TRUE.
622	ELSEIF (SIZE(x_bnds,DIM=2) == pim) THEN
623	nbbounds = SIZE(x_bnds,DIM=1)
624	transp = .FALSE.
625	ELSE
626	CALL ipslerr (3,"histhori", &
627	& 'The boundary variable does not have any axis corresponding', &
628	& 'to the size of the longitude or latitude variable','.')
629	ENDIF
630	ALLOCATE(bounds_trans(nbbounds,pim))
631	iret = NF90_DEF_DIM(nfid,'nbnd',nbbounds,twoid)
632	dims_b(1:2) = (/ twoid,W_F(idf)%xid /)
633	ENDIF
634	!-
635	dims(1:2) = (/ W_F(idf)%xid,W_F(idf)%yid /)
636	!-
637	IF (k_typ == 1) THEN
638	IF (W_F(idf)%n_hax == 0) THEN
639	lon_name = 'lon'
640	lat_name = 'lat'
641	ELSE
642	lon_name = 'lon_'//TRIM(phname)
643	lat_name = 'lat_'//TRIM(phname)
644	ENDIF
645	ELSEIF (k_typ == 2) THEN
646	IF (W_F(idf)%n_hax == 0) THEN
647	lon_name = 'nav_lon'
648	lat_name = 'nav_lat'
649	ELSE
650	lon_name = 'nav_lon_'//TRIM(phname)
651	lat_name = 'nav_lat_'//TRIM(phname)
652	ENDIF
653	ELSEIF (k_typ == 3) THEN
654	IF (W_F(idf)%n_hax == 0) THEN
655	lon_name = 'nav_lon'
656	lat_name = 'nav_lat'
657	ELSE
658	lon_name = 'nav_lon_'//TRIM(phname)
659	lat_name = 'nav_lat_'//TRIM(phname)
660	ENDIF
661	lonbound_name = TRIM(lon_name)//'_bounds'
662	latbound_name = TRIM(lat_name)//'_bounds'
663	ENDIF
664	!-
665	! 1.2 Save the informations
666	!-
667	phid = W_F(idf)%n_hax+1
668	W_F(idf)%n_hax = phid
669	W_F(idf)%hax_name(phid,1:2) = (/ lon_name,lat_name /)
670	!-
671	! 2.0 Longitude
672	!-
673	IF (l_dbg) WRITE(,) c_nam//" 2.0"
674	!-
675	i_s = 1;
676	IF ( (k_typ == 1).OR.(k_typ == 3) ) THEN
677	i_e = 1; wmn = MINVAL(x_1d); wmx = MAXVAL(x_1d);
678	ELSEIF (k_typ == 2) THEN
679	i_e = 2; wmn = MINVAL(x_2d); wmx = MAXVAL(x_2d);
680	ENDIF
681	iret = NF90_DEF_VAR(nfid,lon_name,NF90_REAL4,dims(i_s:i_e),nlonid)
682	IF (k_typ == 1) THEN
683	iret = NF90_PUT_ATT(nfid,nlonid,'axis',"X")
684	ENDIF
685	iret = NF90_PUT_ATT(nfid,nlonid,'standard_name',"longitude")
686	iret = NF90_PUT_ATT(nfid,nlonid,'units',"degrees_east")
687	iret = NF90_PUT_ATT(nfid,nlonid,'valid_min',REAL(wmn,KIND=4))
688	iret = NF90_PUT_ATT(nfid,nlonid,'valid_max',REAL(wmx,KIND=4))
689	iret = NF90_PUT_ATT(nfid,nlonid,'long_name',"Longitude")
690	iret = NF90_PUT_ATT(nfid,nlonid,'nav_model',TRIM(phtitle))
691	!-
692	IF (k_typ == 3) THEN
693	!---
694	!-- 2.1 Longitude bounds
695	!---
696	iret = NF90_PUT_ATT(nfid,nlonid,'bounds',TRIM(lonbound_name))
697	iret = NF90_DEF_VAR(nfid,lonbound_name,NF90_REAL4,dims_b(1:2),nlonidb)
698	iret = NF90_PUT_ATT(nfid,nlonidb,'long_name', &
699	& 'Boundaries for coordinate variable '//TRIM(lon_name))
700	ENDIF
701	!-
702	! 3.0 Latitude
703	!-
704	IF (l_dbg) WRITE(,) c_nam//" 3.0"
705	!-
706	i_e = 2;
707	IF ( (k_typ == 1).OR.(k_typ == 3) ) THEN
708	i_s = 2; wmn = MINVAL(y_1d); wmx = MAXVAL(y_1d);
709	ELSEIF (k_typ == 2) THEN
710	i_s = 1; wmn = MINVAL(y_2d); wmx = MAXVAL(y_2d);
711	ENDIF
712	iret = NF90_DEF_VAR(nfid,lat_name,NF90_REAL4,dims(i_s:i_e),nlatid)
713	IF (k_typ == 1) THEN
714	iret = NF90_PUT_ATT(nfid,nlatid,'axis',"Y")
715	ENDIF
716	!-
717	iret = NF90_PUT_ATT(nfid,nlatid,'standard_name',"latitude")
718	iret = NF90_PUT_ATT(nfid,nlatid,'units',"degrees_north")
719	iret = NF90_PUT_ATT(nfid,nlatid,'valid_min',REAL(wmn,KIND=4))
720	iret = NF90_PUT_ATT(nfid,nlatid,'valid_max',REAL(wmx,KIND=4))
721	iret = NF90_PUT_ATT(nfid,nlatid,'long_name',"Latitude")
722	iret = NF90_PUT_ATT(nfid,nlatid,'nav_model',TRIM(phtitle))
723	!-
724	IF (k_typ == 3) THEN
725	!---
726	!-- 3.1 Latitude bounds
727	!---
728	iret = NF90_PUT_ATT(nfid,nlatid,'bounds',TRIM(latbound_name))
729	iret = NF90_DEF_VAR(nfid,latbound_name,NF90_REAL4,dims_b(1:2),nlatidb)
730	iret = NF90_PUT_ATT(nfid,nlatidb,'long_name', &
731	& 'Boundaries for coordinate variable '//TRIM(lat_name))
732	ENDIF
733	!-
734	iret = NF90_ENDDEF(nfid)
735	!-
736	! 4.0 storing the geographical coordinates
737	!-
738	IF (l_dbg) WRITE(,) c_nam//" 4.0"
739	!-
740	IF ( (k_typ == 1).OR.(k_typ == 2) ) THEN
741	o_x = W_F(idf)%slab_ori(1)
742	o_y = W_F(idf)%slab_ori(2)
743	s_x = W_F(idf)%slab_siz(1)
744	s_y = W_F(idf)%slab_siz(2)
745	!---
746	!-- Transfer the longitude and the latitude
747	!---
748	IF (k_typ == 1) THEN
749	iret = NF90_PUT_VAR(nfid,nlonid,x_1d(o_x:o_x+s_x-1))
750	iret = NF90_PUT_VAR(nfid,nlatid,y_1d(o_y:o_y+s_y-1))
751	ELSEIF (k_typ == 2) THEN
752	iret = NF90_PUT_VAR(nfid,nlonid, &
753	& x_2d(o_x:o_x+s_x-1,o_y:o_y+s_y-1))
754	iret = NF90_PUT_VAR(nfid,nlatid, &
755	& y_2d(o_x:o_x+s_x-1,o_y:o_y+s_y-1))
756	ENDIF
757	ELSEIF (k_typ == 3) THEN
758	!---
759	!-- Transfer the longitude and the longitude bounds
760	!---
761	iret = NF90_PUT_VAR(nfid,nlonid,x_1d(1:pim))
762	!---
763	IF (transp) THEN
764	bounds_trans = TRANSPOSE(x_bnds)
765	ELSE
766	bounds_trans = x_bnds
767	ENDIF
768	iret = NF90_PUT_VAR(nfid,nlonidb,bounds_trans(1:nbbounds,1:pim))
769	!---
770	!-- Transfer the latitude and the latitude bounds
771	!---
772	iret = NF90_PUT_VAR(nfid,nlatid,y_1d(1:pim))
773	!---
774	IF (transp) THEN
775	bounds_trans = TRANSPOSE(y_bnds)
776	ELSE
777	bounds_trans = y_bnds
778	ENDIF
779	iret = NF90_PUT_VAR(nfid,nlatidb,bounds_trans(1:nbbounds,1:pim))
780	!---
781	DEALLOCATE(bounds_trans)
782	ENDIF
783	!-
784	iret = NF90_REDEF(nfid)
785	!-----------------------
786	END SUBROUTINE histh_all
787	!===
788	SUBROUTINE histvert (idf,pzaxname,pzaxtitle,pzaxunit, &
789	& pzsize,pzvalues,pzaxid,pdirect)
790	!---------------------------------------------------------------------
791	!- This subroutine defines a vertical axis and returns it s id.
792	!- It gives the user the possibility to the user to define many
793	!- different vertical axes. For each variable defined with histdef a
794	!- vertical axis can be specified with by it s ID.
795	!-
796	!- INPUT
797	!-
798	!- idf : ID of the file the variable should be archived in
799	!- pzaxname : Name of the vertical axis
800	!- pzaxtitle: title of the vertical axis
801	!- pzaxunit : Units of the vertical axis (no units if blank string)
802	!- pzsize : size of the vertical axis
803	!- pzvalues : Coordinate values of the vetical axis
804	!-
805	!- pdirect : is an optional argument which allows to specify the
806	!- the positive direction of the axis : up or down.
807	!- OUTPUT
808	!-
809	!- pzaxid : Returns the ID of the axis.
810	!- Note that this is not the netCDF ID !
811	!-
812	!- VERSION
813	!-
814	!---------------------------------------------------------------------
815	IMPLICIT NONE
816	!-
817	INTEGER,INTENT(IN) :: idf,pzsize
818	CHARACTER(LEN=*),INTENT(IN) :: pzaxname,pzaxunit,pzaxtitle
819	REAL,INTENT(IN) :: pzvalues(pzsize)
820	INTEGER,INTENT(OUT) :: pzaxid
821	CHARACTER(LEN=*),INTENT(IN),OPTIONAL :: pdirect
822	!-
823	INTEGER :: pos,iv,zdimid,zaxid_tmp
824	CHARACTER(LEN=70) :: str71
825	CHARACTER(LEN=20) :: direction
826	INTEGER :: iret,leng,nfid
827	LOGICAL :: l_dbg
828	!---------------------------------------------------------------------
829	CALL ipsldbg (old_status=l_dbg)
830	!-
831	! 1.0 Verifications :
832	! Do we have enough space for an extra axis ?
833	! Is the name already in use ?
834	!-
835	IF (l_dbg) WRITE(,) "histvert : 1.0 Verifications", &
836	& pzaxname,'---',pzaxunit,'---',pzaxtitle
837	!-
838	! Direction of the vertical axis. Can we get if from the user.
839	!-
840	IF (PRESENT(pdirect)) THEN
841	direction = TRIM(pdirect)
842	CALL strlowercase (direction)
843	ELSE
844	direction = 'unknown'
845	ENDIF
846	!-
847	! Check the consistency of the attribute
848	!-
849	IF ( PRESENT(pdirect) &
850	& .AND.(direction /= 'up') &
851	& .AND.(direction /= 'down') ) THEN
852	direction = 'unknown'
853	CALL ipslerr (2,"histvert",&
854	& "The specified positive direction for the vertical axis is invalid.",&
855	& "The value must be up or down.","The attribute will not be written.")
856	ENDIF
857	!-
858	IF (W_F(idf)%n_zax+1 > nb_zax_max) THEN
859	CALL ipslerr (3,"histvert", &
860	& 'Table of vertical axes too small. You should increase ',&
861	& 'nb_zax_max in histcom.f90 in order to accomodate all ', &
862	& 'these variables ')
863	ENDIF
864	!-
865	iv = W_F(idf)%n_zax
866	IF (iv > 1) THEN
867	CALL find_str (W_F(idf)%zax_name(1:iv-1),pzaxname,pos)
868	ELSE
869	pos = 0
870	ENDIF
871	!-
872	IF (pos > 0) THEN
873	WRITE(str71,'("Check variable ",A," in file",I3)') &
874	& TRIM(pzaxname),idf
875	CALL ipslerr (3,"histvert", &
876	& "Vertical axis already exists",TRIM(str71), &
877	& "Can also be a wrong file ID in another declaration")
878	ENDIF
879	!-
880	iv = W_F(idf)%n_zax+1
881	!-
882	! 2.0 Add the information to the file
883	!-
884	IF (l_dbg) &
885	& WRITE(,) "histvert : 2.0 Add the information to the file"
886	!-
887	nfid = W_F(idf)%ncfid
888	!-
889	leng = MIN(LEN_TRIM(pzaxname),20)
890	iret = NF90_DEF_DIM (nfid,pzaxname(1:leng),pzsize,zaxid_tmp)
891	iret = NF90_DEF_VAR (nfid,pzaxname(1:leng),NF90_REAL4, &
892	& zaxid_tmp,zdimid)
893	iret = NF90_PUT_ATT (nfid,zdimid,'axis',"Z")
894	iret = NF90_PUT_ATT (nfid,zdimid,'standard_name',"model_level_number")
895	leng = MIN(LEN_TRIM(pzaxunit),20)
896	IF (leng > 0) THEN
897	iret = NF90_PUT_ATT (nfid,zdimid,'units',pzaxunit(1:leng))
898	ENDIF
899	IF (direction /= 'unknown') THEN
900	iret = NF90_PUT_ATT (nfid,zdimid,'positive',TRIM(direction))
901	ENDIF
902	iret = NF90_PUT_ATT (nfid,zdimid,'valid_min', &
903	& REAL(MINVAL(pzvalues(1:pzsize)),KIND=4))
904	iret = NF90_PUT_ATT (nfid,zdimid,'valid_max', &
905	& REAL(MAXVAL(pzvalues(1:pzsize)),KIND=4))
906	leng = MIN(LEN_TRIM(pzaxname),20)
907	iret = NF90_PUT_ATT (nfid,zdimid,'title',pzaxname(1:leng))
908	leng = MIN(LEN_TRIM(pzaxtitle),80)
909	iret = NF90_PUT_ATT (nfid,zdimid,'long_name',pzaxtitle(1:leng))
910	!-
911	iret = NF90_ENDDEF (nfid)
912	!-
913	iret = NF90_PUT_VAR (nfid,zdimid,pzvalues(1:pzsize))
914	!-
915	iret = NF90_REDEF (nfid)
916	!-
917	!- 3.0 add the information to the common
918	!-
919	IF (l_dbg) &
920	& WRITE(,) "histvert : 3.0 add the information to the common"
921	!-
922	W_F(idf)%n_zax = iv
923	W_F(idf)%zax_size(iv) = pzsize
924	W_F(idf)%zax_name(iv) = pzaxname
925	W_F(idf)%zax_ids(iv) = zaxid_tmp
926	pzaxid = iv
927	!----------------------
928	END SUBROUTINE histvert
929	!===
930	SUBROUTINE histdef &
931	& (idf,pvarname,ptitle,punit, &
932	& pxsize,pysize,phoriid,pzsize,par_oriz,par_szz,pzid, &
933	& xtype,popp,pfreq_opp,pfreq_wrt,var_range,standard_name)
934	!---------------------------------------------------------------------
935	!- With this subroutine each variable to be archived on the history
936	!- tape should be declared.
937	!-
938	!- It gives the user the choise of operation
939	!- to be performed on the variables, the frequency of this operation
940	!- and finaly the frequency of the archiving.
941	!-
942	!- INPUT
943	!-
944	!- idf : ID of the file the variable should be archived in
945	!- pvarname : Name of the variable, short and easy to remember
946	!- ptitle : Full name of the variable
947	!- punit : Units of the variable (no units if blank string)
948	!-
949	!- The next 3 arguments give the size of that data
950	!- that will be passed to histwrite. The zoom will be
951	!- done there with the horizontal information obtained
952	!- in histbeg and the vertical information to follow.
953	!-
954	!- pxsize : Size in X direction (size of the data that will be
955	!- given to histwrite)
956	!- pysize : Size in Y direction
957	!- phoriid : ID of the horizontal axis
958	!-
959	!- The next two arguments give the vertical zoom to use.
960	!-
961	!- pzsize : Size in Z direction (If 1 then no axis is declared
962	!- for this variable and pzid is not used)
963	!- par_oriz : Off set of the zoom
964	!- par_szz : Size of the zoom
965	!-
966	!- pzid : ID of the vertical axis to use. It has to have
967	!- the size of the zoom.
968	!- xtype : External netCDF type (hist_r4/hist_r8)
969	!- popp : Operation to be performed. The following options
970	!- exist today :
971	!- inst : keeps instantaneous values for writting
972	!- ave : Computes the average from call between writes
973	!- pfreq_opp: Frequency of this operation (in seconds)
974	!- pfreq_wrt: Frequency at which the variable should be
975	!- written (in seconds)
976	!- var_range: Range of the variable.
977	!- If the minimum is greater than the maximum,
978	!- the values will be calculated.
979	!-
980	!- VERSION
981	!---------------------------------------------------------------------
982	IMPLICIT NONE
983	!-
984	INTEGER,INTENT(IN) :: idf,pxsize,pysize,pzsize,pzid
985	INTEGER,INTENT(IN) :: par_oriz,par_szz,xtype,phoriid
986	CHARACTER(LEN=*),INTENT(IN) :: pvarname,punit,popp,ptitle
987	REAL,INTENT(IN) :: pfreq_opp,pfreq_wrt
988	REAL,DIMENSION(2),OPTIONAL,INTENT(IN) :: var_range
989	CHARACTER(LEN=*),OPTIONAL,INTENT(IN) :: standard_name
990	!-
991	INTEGER :: iv
992	CHARACTER(LEN=70) :: str70,str71,str72
993	CHARACTER(LEN=20) :: tmp_name
994	CHARACTER(LEN=40) :: str40
995	CHARACTER(LEN=10) :: str10
996	CHARACTER(LEN=120) :: ex_topps
997	REAL :: un_an,un_jour,test_fopp,test_fwrt
998	INTEGER :: pos,buff_sz
999	LOGICAL :: l_dbg
1000	!---------------------------------------------------------------------
1001	CALL ipsldbg (old_status=l_dbg)
1002	!-
1003	ex_topps = 'ave, inst, t_min, t_max, t_sum, once, never, l_max, l_min'
1004	!-
1005	W_F(idf)%n_var = W_F(idf)%n_var+1
1006	iv = W_F(idf)%n_var
1007	!-
1008	IF (iv > nb_var_max) THEN
1009	CALL ipslerr (3,"histdef", &
1010	& 'Table of variables too small. You should increase nb_var_max',&
1011	& 'in histcom.f90 in order to accomodate all these variables', &
1012	& ' ')
1013	ENDIF
1014	!-
1015	! 1.0 Transfer informations on the variable to the common
1016	! and verify that it does not already exist
1017	!-
1018	IF (l_dbg) WRITE(,) "histdef : 1.0"
1019	!-
1020	IF (iv > 1) THEN
1021	CALL find_str (W_F(idf)%W_V(1:iv-1)%v_name,pvarname,pos)
1022	ELSE
1023	pos = 0
1024	ENDIF
1025	!-
1026	IF (pos > 0) THEN
1027	str70 = "Variable already exists"
1028	WRITE(str71,'("Check variable ",a," in file",I3)') &
1029	& TRIM(pvarname),idf
1030	str72 = "Can also be a wrong file ID in another declaration"
1031	CALL ipslerr (3,"histdef",str70,str71,str72)
1032	ENDIF
1033	!-
1034	W_F(idf)%W_V(iv)%v_name = pvarname
1035	W_F(idf)%W_V(iv)%title = ptitle
1036	W_F(idf)%W_V(iv)%unit_name = punit
1037	IF (PRESENT(standard_name)) THEN
1038	W_F(idf)%W_V(iv)%std_name = standard_name
1039	ELSE
1040	W_F(idf)%W_V(iv)%std_name = ptitle
1041	ENDIF
1042	tmp_name = W_F(idf)%W_V(iv)%v_name
1043	!-
1044	! 1.1 decode the operations
1045	!-
1046	W_F(idf)%W_V(iv)%fullop = popp
1047	CALL buildop &
1048	& (TRIM(popp),ex_topps,W_F(idf)%W_V(iv)%topp,missing_val, &
1049	& W_F(idf)%W_V(iv)%sopp,W_F(idf)%W_V(iv)%scal, &
1050	& W_F(idf)%W_V(iv)%nbopp)
1051	!-
1052	! 1.2 If we have an even number of operations
1053	! then we need to add identity
1054	!-
1055	IF ( MOD(W_F(idf)%W_V(iv)%nbopp,2) == 0) THEN
1056	W_F(idf)%W_V(iv)%nbopp = W_F(idf)%W_V(iv)%nbopp+1
1057	W_F(idf)%W_V(iv)%sopp(W_F(idf)%W_V(iv)%nbopp) = 'ident'
1058	W_F(idf)%W_V(iv)%scal(W_F(idf)%W_V(iv)%nbopp) = missing_val
1059	ENDIF
1060	!-
1061	! 1.3 External type of the variable
1062	!-
1063	IF (xtype == hist_r8) THEN
1064	W_F(idf)%W_V(iv)%v_typ = hist_r8
1065	ELSE
1066	W_F(idf)%W_V(iv)%v_typ = hist_r4
1067	ENDIF
1068	!-
1069	! 2.0 Put the size of the variable in the common and check
1070	!-
1071	IF (l_dbg) THEN
1072	WRITE(,) "histdef : 2.0",idf,iv,W_F(idf)%W_V(iv)%nbopp, &
1073	& W_F(idf)%W_V(iv)%sopp(1:W_F(idf)%W_V(iv)%nbopp), &
1074	& W_F(idf)%W_V(iv)%scal(1:W_F(idf)%W_V(iv)%nbopp)
1075	ENDIF
1076	!-
1077	W_F(idf)%W_V(iv)%scsize(1:3) = (/ pxsize,pysize,pzsize /)
1078	W_F(idf)%W_V(iv)%zorig(1:3) = &
1079	& (/ W_F(idf)%slab_ori(1),W_F(idf)%slab_ori(2),par_oriz /)
1080	W_F(idf)%W_V(iv)%zsize(1:3) = &
1081	& (/ W_F(idf)%slab_siz(1),W_F(idf)%slab_siz(2),par_szz /)
1082	!-
1083	! Is the size of the full array the same as that of the coordinates ?
1084	!-
1085	IF ( (pxsize > W_F(idf)%full_size(1)) &
1086	& .OR.(pysize > W_F(idf)%full_size(2)) ) THEN
1087	!-
1088	str70 = "The size of the variable is different "// &
1089	& "from the one of the coordinates"
1090	WRITE(str71,'("Size of coordinates :",2I4)') &
1091	& W_F(idf)%full_size(1),W_F(idf)%full_size(2)
1092	WRITE(str72,'("Size declared for variable ",a," :",2I4)') &
1093	& TRIM(tmp_name),pxsize,pysize
1094	CALL ipslerr (3,"histdef",str70,str71,str72)
1095	ENDIF
1096	!-
1097	! Is the size of the zoom smaller than the coordinates ?
1098	!-
1099	IF ( (W_F(idf)%full_size(1) < W_F(idf)%slab_siz(1)) &
1100	& .OR.(W_F(idf)%full_size(2) < W_F(idf)%slab_siz(2)) ) THEN
1101	str70 = &
1102	& "Size of variable should be greater or equal to those of the zoom"
1103	WRITE(str71,'("Size of XY zoom :",2I4)') &
1104	& W_F(idf)%slab_siz(1),W_F(idf)%slab_siz(2)
1105	WRITE(str72,'("Size declared for variable ",A," :",2I4)') &
1106	& TRIM(tmp_name),pxsize,pysize
1107	CALL ipslerr (3,"histdef",str70,str71,str72)
1108	ENDIF
1109	!-
1110	! 2.1 We store the horizontal grid information with minimal
1111	! and a fall back onto the default grid
1112	!-
1113	IF ( (phoriid > 0).AND.(phoriid <= W_F(idf)%n_hax) ) THEN
1114	W_F(idf)%W_V(iv)%h_axid = phoriid
1115	ELSE
1116	W_F(idf)%W_V(iv)%h_axid = 1
1117	CALL ipslerr (2,"histdef", &
1118	& 'We use the default grid for variable as an invalide',&
1119	& 'ID was provided for variable : ',TRIM(pvarname))
1120	ENDIF
1121	!-
1122	! 2.2 Check the vertical coordinates if needed
1123	!-
1124	IF (par_szz > 1) THEN
1125	!-
1126	!-- Does the vertical coordinate exist ?
1127	!-
1128	IF (pzid > W_F(idf)%n_zax) THEN
1129	WRITE(str70, &
1130	& '("The vertical coordinate chosen for variable ",A)') &
1131	& TRIM(tmp_name)
1132	str71 = " Does not exist."
1133	CALL ipslerr (3,"histdef",str70,str71," ")
1134	ENDIF
1135	!-
1136	!-- Is the vertical size of the variable equal to that of the axis ?
1137	!-
1138	IF (par_szz /= W_F(idf)%zax_size(pzid)) THEN
1139	str70 = "The size of the zoom does not correspond "// &
1140	& "to the size of the chosen vertical axis"
1141	WRITE(str71,'("Size of zoom in z :",I4)') par_szz
1142	WRITE(str72,'("Size declared for axis ",A," :",I4)') &
1143	& TRIM(W_F(idf)%zax_name(pzid)),W_F(idf)%zax_size(pzid)
1144	CALL ipslerr (3,"histdef",str70,str71,str72)
1145	ENDIF
1146	!-
1147	!-- Is the zoom smaller that the total size of the variable ?
1148	!-
1149	IF (pzsize < par_szz) THEN
1150	str70 = "The vertical size of variable "// &
1151	& "is smaller than that of the zoom."
1152	WRITE(str71,'("Declared vertical size of data :",I5)') pzsize
1153	WRITE(str72,'("Size of zoom for variable ",a," = ",I5)') &
1154	& TRIM(tmp_name),par_szz
1155	CALL ipslerr (3,"histdef",str70,str71,str72)
1156	ENDIF
1157	W_F(idf)%W_V(iv)%z_axid = pzid
1158	ELSE
1159	W_F(idf)%W_V(iv)%z_axid = -99
1160	ENDIF
1161	!-
1162	! 3.0 We get the size of the arrays histwrite will get
1163	! and eventually allocate the time_buffer
1164	!-
1165	IF (l_dbg) THEN
1166	WRITE(,) "histdef : 3.0"
1167	ENDIF
1168	!-
1169	buff_sz = W_F(idf)%W_V(iv)%zsize(1) &
1170	& *W_F(idf)%W_V(iv)%zsize(2) &
1171	& *W_F(idf)%W_V(iv)%zsize(3)
1172	!-
1173	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) /= "inst") &
1174	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= "once") &
1175	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= "never") )THEN
1176	ALLOCATE(W_F(idf)%W_V(iv)%t_bf(buff_sz))
1177	W_F(idf)%W_V(iv)%t_bf(:) = 0.
1178	IF (l_dbg) THEN
1179	WRITE(,) "histdef : 3.0 allocating time_buffer for", &
1180	& " idf = ",idf," iv = ",iv," size = ",buff_sz
1181	ENDIF
1182	ENDIF
1183	!-
1184	! 4.0 Transfer the frequency of the operations and check
1185	! for validity. We have to pay attention to negative values
1186	! of the frequency which indicate monthly time-steps.
1187	! The strategy is to bring it back to seconds for the tests
1188	!-
1189	IF (l_dbg) WRITE(,) "histdef : 4.0"
1190	!-
1191	W_F(idf)%W_V(iv)%freq_opp = pfreq_opp
1192	W_F(idf)%W_V(iv)%freq_wrt = pfreq_wrt
1193	!-
1194	CALL ioget_calendar(un_an,un_jour)
1195	IF (pfreq_opp < 0) THEN
1196	CALL ioget_calendar(un_an)
1197	test_fopp = pfreq_opp(-1.)un_an/12.*un_jour
1198	ELSE
1199	test_fopp = pfreq_opp
1200	ENDIF
1201	IF (pfreq_wrt < 0) THEN
1202	CALL ioget_calendar(un_an)
1203	test_fwrt = pfreq_wrt(-1.)un_an/12.*un_jour
1204	ELSE
1205	test_fwrt = pfreq_wrt
1206	ENDIF
1207	!-
1208	! 4.1 Frequency of operations and output should be larger than deltat !
1209	!-
1210	IF (test_fopp < W_F(idf)%deltat) THEN
1211	str70 = 'Frequency of operations should be larger than deltat'
1212	WRITE(str71,'("It is not the case for variable ",a," :",F10.4)') &
1213	& TRIM(tmp_name),pfreq_opp
1214	str72 = "PATCH : frequency set to deltat"
1215	!-
1216	CALL ipslerr (2,"histdef",str70,str71,str72)
1217	!-
1218	W_F(idf)%W_V(iv)%freq_opp = W_F(idf)%deltat
1219	ENDIF
1220	!-
1221	IF (test_fwrt < W_F(idf)%deltat) THEN
1222	str70 = 'Frequency of output should be larger than deltat'
1223	WRITE(str71,'("It is not the case for variable ",a," :",F10.4)') &
1224	& TRIM(tmp_name),pfreq_wrt
1225	str72 = "PATCH : frequency set to deltat"
1226	!-
1227	CALL ipslerr (2,"histdef",str70,str71,str72)
1228	!-
1229	W_F(idf)%W_V(iv)%freq_wrt = W_F(idf)%deltat
1230	ENDIF
1231	!-
1232	! 4.2 First the existence of the operation is tested and then
1233	! its compaticility with the choice of frequencies
1234	!-
1235	IF (TRIM(W_F(idf)%W_V(iv)%topp) == "inst") THEN
1236	IF (test_fopp /= test_fwrt) THEN
1237	str70 = 'For instantaneous output the frequency '// &
1238	& 'of operations and output'
1239	WRITE(str71, &
1240	& '("should be the same, this was not case for variable ",a)') &
1241	& TRIM(tmp_name)
1242	str72 = "PATCH : The smalest frequency of both is used"
1243	CALL ipslerr (2,"histdef",str70,str71,str72)
1244	IF (test_fopp < test_fwrt) THEN
1245	W_F(idf)%W_V(iv)%freq_opp = pfreq_opp
1246	W_F(idf)%W_V(iv)%freq_wrt = pfreq_opp
1247	ELSE
1248	W_F(idf)%W_V(iv)%freq_opp = pfreq_wrt
1249	W_F(idf)%W_V(iv)%freq_wrt = pfreq_wrt
1250	ENDIF
1251	ENDIF
1252	ELSE IF (INDEX(ex_topps,TRIM(W_F(idf)%W_V(iv)%topp)) > 0) THEN
1253	IF (test_fopp > test_fwrt) THEN
1254	str70 = 'For averages the frequency of operations '// &
1255	& 'should be smaller or equal'
1256	WRITE(str71, &
1257	& '("to that of output. It is not the case for variable ",a)') &
1258	& TRIM(tmp_name)
1259	str72 = 'PATCH : The output frequency is used for both'
1260	CALL ipslerr (2,"histdef",str70,str71,str72)
1261	W_F(idf)%W_V(iv)%freq_opp = pfreq_wrt
1262	ENDIF
1263	ELSE
1264	WRITE (str70,'("Operation on variable ",A," is unknown")') &
1265	& TRIM(tmp_name)
1266	WRITE (str71,'("operation requested is :",A)') &
1267	& W_F(idf)%W_V(iv)%topp
1268	WRITE (str72,'("File ID :",I3)') idf
1269	CALL ipslerr (3,"histdef",str70,str71,str72)
1270	ENDIF
1271	!-
1272	! 5.0 Initialize other variables of the common
1273	!-
1274	IF (l_dbg) WRITE(,) "histdef : 5.0"
1275	!-
1276	W_F(idf)%W_V(iv)%hist_wrt_rng = (PRESENT(var_range))
1277	IF (W_F(idf)%W_V(iv)%hist_wrt_rng) THEN
1278	W_F(idf)%W_V(iv)%hist_calc_rng = (var_range(1) > var_range(2))
1279	IF (W_F(idf)%W_V(iv)%hist_calc_rng) THEN
1280	W_F(idf)%W_V(iv)%hist_minmax(1:2) = &
1281	& (/ ABS(missing_val),-ABS(missing_val) /)
1282	ELSE
1283	W_F(idf)%W_V(iv)%hist_minmax(1:2) = var_range(1:2)
1284	ENDIF
1285	ENDIF
1286	!-
1287	! - freq_opp(idf,iv)/2./deltat(idf)
1288	W_F(idf)%W_V(iv)%last_opp = W_F(idf)%itau0
1289	! - freq_wrt(idf,iv)/2./deltat(idf)
1290	W_F(idf)%W_V(iv)%last_wrt = W_F(idf)%itau0
1291	! - freq_opp(idf,iv)/2./deltat(idf)
1292	W_F(idf)%W_V(iv)%last_opp_chk = W_F(idf)%itau0
1293	! - freq_wrt(idf,iv)/2./deltat(idf)
1294	W_F(idf)%W_V(iv)%last_wrt_chk = W_F(idf)%itau0
1295	W_F(idf)%W_V(iv)%nb_opp = 0
1296	W_F(idf)%W_V(iv)%nb_wrt = 0
1297	!-
1298	! 6.0 Get the time axis for this variable
1299	!-
1300	IF (l_dbg) WRITE(,) "histdef : 6.0"
1301	!-
1302	! No time axis for once, l_max, l_min or never operation
1303	!-
1304	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) /= 'once') &
1305	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'never') &
1306	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'l_max') &
1307	& .AND.(TRIM(W_F(idf)%W_V(iv)%topp) /= 'l_min') ) THEN
1308	IF (TRIM(W_F(idf)%W_V(iv)%topp) == 'inst') THEN
1309	str10 = 't_inst_'
1310	ELSE
1311	str10 = 't_op_'
1312	ENDIF
1313	IF (W_F(idf)%W_V(iv)%freq_wrt > 0) THEN
1314	WRITE (UNIT=str40,FMT='(A,I8.8)') &
1315	& TRIM(str10),INT(W_F(idf)%W_V(iv)%freq_wrt)
1316	ELSE
1317	WRITE (UNIT=str40,FMT='(A,I2.2,"month")') &
1318	& TRIM(str10),ABS(INT(W_F(idf)%W_V(iv)%freq_wrt))
1319	ENDIF
1320	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_tax)%tax_name,str40,pos)
1321	IF (pos < 0) THEN
1322	W_F(idf)%n_tax = W_F(idf)%n_tax+1
1323	W_F(idf)%W_V(iv)%l_bnd = &
1324	& (TRIM(W_F(idf)%W_V(iv)%topp) /= 'inst')
1325	W_F(idf)%W_V(W_F(idf)%n_tax)%tax_name = str40
1326	W_F(idf)%W_V(W_F(idf)%n_tax)%tax_last = 0
1327	W_F(idf)%W_V(iv)%t_axid = W_F(idf)%n_tax
1328	ELSE
1329	W_F(idf)%W_V(iv)%t_axid = pos
1330	ENDIF
1331	ELSE
1332	IF (l_dbg) THEN
1333	WRITE(,) "histdef : 7.0 ",TRIM(W_F(idf)%W_V(iv)%topp),'----'
1334	ENDIF
1335	W_F(idf)%W_V(iv)%t_axid = -99
1336	ENDIF
1337	!-
1338	! 7.0 prepare frequence of writing and operation
1339	! for never or once operation
1340	!-
1341	IF ( (TRIM(W_F(idf)%W_V(iv)%topp) == 'once') &
1342	& .OR.(TRIM(W_F(idf)%W_V(iv)%topp) == 'never') ) THEN
1343	W_F(idf)%W_V(iv)%freq_opp = 0.
1344	W_F(idf)%W_V(iv)%freq_wrt = 0.
1345	ENDIF
1346	!---------------------
1347	END SUBROUTINE histdef
1348	!===
1349	SUBROUTINE histend (idf)
1350	!---------------------------------------------------------------------
1351	!- This subroutine end the decalaration of variables and sets the
1352	!- time axes in the netcdf file and puts it into the write mode.
1353	!-
1354	!- INPUT
1355	!-
1356	!- idf : ID of the file to be worked on
1357	!-
1358	!- VERSION
1359	!-
1360	!---------------------------------------------------------------------
1361	IMPLICIT NONE
1362	!-
1363	INTEGER,INTENT(IN) :: idf
1364	!-
1365	INTEGER :: nfid,nvid,iret,ndim,iv,itx,ziv,itax,dim_cnt
1366	INTEGER,DIMENSION(4) :: dims
1367	INTEGER :: year,month,day,hours,minutes
1368	REAL :: sec
1369	REAL :: rtime0
1370	CHARACTER(LEN=30) :: str30
1371	CHARACTER(LEN=35) :: str35
1372	CHARACTER(LEN=120) :: assoc
1373	CHARACTER(LEN=70) :: str70
1374	CHARACTER(LEN=3),DIMENSION(12) :: cal = &
1375	& (/ 'JAN','FEB','MAR','APR','MAY','JUN', &
1376	& 'JUL','AUG','SEP','OCT','NOV','DEC' /)
1377	CHARACTER(LEN=7) :: tmp_opp
1378	LOGICAL :: l_b
1379	LOGICAL :: l_dbg
1380	!---------------------------------------------------------------------
1381	CALL ipsldbg (old_status=l_dbg)
1382	!-
1383	nfid = W_F(idf)%ncfid
1384	!-
1385	! 1.0 Create the time axes
1386	!-
1387	IF (l_dbg) WRITE(,) "histend : 1.0"
1388	!-
1389	! 1.1 Define the time dimensions needed for this file
1390	!-
1391	iret = NF90_DEF_DIM (nfid,'time_counter', &
1392	& NF90_UNLIMITED,W_F(idf)%tid)
1393	DO iv=1,W_F(idf)%n_var
1394	IF (W_F(idf)%W_V(iv)%l_bnd) THEN
1395	iret = NF90_DEF_DIM (nfid,'tbnds',2,W_F(idf)%bid)
1396	EXIT
1397	ENDIF
1398	ENDDO
1399	!-
1400	! 1.2 Define all the time axes needed for this file
1401	!-
1402	DO itx=1,W_F(idf)%n_tax
1403	dims(1) = W_F(idf)%tid
1404	l_b = (INDEX(W_F(idf)%W_V(itx)%tax_name,"t_op_") == 1)
1405	IF (itx > 1) THEN
1406	str30 = W_F(idf)%W_V(itx)%tax_name
1407	ELSE
1408	str30 = "time_counter"
1409	ENDIF
1410	IF (l_b) THEN
1411	str35 = TRIM(str30)//'_bnds'
1412	ENDIF
1413	iret = NF90_DEF_VAR (nfid,TRIM(str30),NF90_REAL8, &
1414	& dims(1),W_F(idf)%W_V(itx)%tdimid)
1415	IF (itx <= 1) THEN
1416	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid,'axis',"T")
1417	ENDIF
1418	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1419	& 'standard_name',"time")
1420	!---
1421	! To transform the current itau into a real date and take it
1422	! as the origin of the file requires the time counter to change.
1423	! Thus it is an operation the user has to ask for.
1424	! This function should thus only be re-instated
1425	! if there is a ioconf routine to control it.
1426	!---
1427	!-- rtime0 = itau2date(itau0(idf),date0(idf),deltat(idf))
1428	rtime0 = W_F(idf)%date0
1429	!-
1430	CALL ju2ymds(rtime0,year,month,day,sec)
1431	!---
1432	! Catch any error induced by a change in calendar !
1433	!---
1434	IF (year < 0) THEN
1435	year = 2000+year
1436	ENDIF
1437	!-
1438	hours = INT(sec/(60.*60.))
1439	minutes = INT((sec-hours60.60.)/60.)
1440	sec = sec-(hours60.60.+minutes*60.)
1441	!-
1442	WRITE (UNIT=str70, &
1443	& FMT='(A,I4.4,"-",I2.2,"-",I2.2," ",I2.2,":",I2.2,":",I2.2)') &
1444	& 'seconds since ',year,month,day,hours,minutes,INT(sec)
1445	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1446	& 'units',TRIM(str70))
1447	!-
1448	CALL ioget_calendar (str30)
1449	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1450	& 'calendar',TRIM(str30))
1451	!-
1452	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1453	& 'title','Time')
1454	!-
1455	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1456	& 'long_name','Time axis')
1457	!-
1458	WRITE (UNIT=str70, &
1459	& FMT='(" ",I4.4,"-",A3,"-",I2.2," ",I2.2,":",I2.2,":",I2.2)') &
1460	& year,cal(month),day,hours,minutes,INT(sec)
1461	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1462	& 'time_origin',TRIM(str70))
1463	!---
1464	IF (l_b) THEN
1465	iret = NF90_PUT_ATT (nfid,W_F(idf)%W_V(itx)%tdimid, &
1466	& 'bounds',TRIM(str35))
1467	dims(1:2) = (/ W_F(idf)%bid,W_F(idf)%tid /)
1468	iret = NF90_DEF_VAR (nfid,TRIM(str35),NF90_REAL8, &
1469	& dims(1:2),W_F(idf)%W_V(itx)%tbndid)
1470	ENDIF
1471	ENDDO
1472	!-
1473	! 2.0 declare the variables
1474	!-
1475	IF (l_dbg) WRITE(,) "histend : 2.0"
1476	!-
1477	DO iv=1,W_F(idf)%n_var
1478	!---
1479	itax = W_F(idf)%W_V(iv)%t_axid
1480	!---
1481	IF (W_F(idf)%regular) THEN
1482	dims(1:2) = (/ W_F(idf)%xid,W_F(idf)%yid /)
1483	dim_cnt = 2
1484	ELSE
1485	dims(1) = W_F(idf)%xid
1486	dim_cnt = 1
1487	ENDIF
1488	!---
1489	tmp_opp = W_F(idf)%W_V(iv)%topp
1490	ziv = W_F(idf)%W_V(iv)%z_axid
1491	!---
1492	! 2.1 dimension of field
1493	!---
1494	IF ((TRIM(tmp_opp) /= 'never')) THEN
1495	IF ( (TRIM(tmp_opp) /= 'once') &
1496	& .AND.(TRIM(tmp_opp) /= 'l_max') &
1497	& .AND.(TRIM(tmp_opp) /= 'l_min') ) THEN
1498	IF (ziv == -99) THEN
1499	ndim = dim_cnt+1
1500	dims(dim_cnt+1:dim_cnt+2) = (/ W_F(idf)%tid,0 /)
1501	ELSE
1502	ndim = dim_cnt+2
1503	dims(dim_cnt+1:dim_cnt+2) = &
1504	& (/ W_F(idf)%zax_ids(ziv),W_F(idf)%tid /)
1505	ENDIF
1506	ELSE
1507	IF (ziv == -99) THEN
1508	ndim = dim_cnt
1509	dims(dim_cnt+1:dim_cnt+2) = (/ 0,0 /)
1510	ELSE
1511	ndim = dim_cnt+1
1512	dims(dim_cnt+1:dim_cnt+2) = (/ W_F(idf)%zax_ids(ziv),0 /)
1513	ENDIF
1514	ENDIF
1515	!-
1516	iret = NF90_DEF_VAR (nfid,TRIM(W_F(idf)%W_V(iv)%v_name), &
1517	& W_F(idf)%W_V(iv)%v_typ,dims(1:ABS(ndim)),nvid)
1518	!-
1519	W_F(idf)%W_V(iv)%ncvid = nvid
1520	!-
1521	IF (LEN_TRIM(W_F(idf)%W_V(iv)%unit_name) > 0) THEN
1522	iret = NF90_PUT_ATT (nfid,nvid,'units', &
1523	& TRIM(W_F(idf)%W_V(iv)%unit_name))
1524	ENDIF
1525	iret = NF90_PUT_ATT (nfid,nvid,'standard_name', &
1526	& TRIM(W_F(idf)%W_V(iv)%std_name))
1527	!-
1528	IF (W_F(idf)%W_V(iv)%v_typ == hist_r8) THEN
1529	iret = NF90_PUT_ATT (nfid,nvid,'_FillValue',NF90_FILL_REAL8)
1530	ELSE
1531	iret = NF90_PUT_ATT (nfid,nvid,'_FillValue',NF90_FILL_REAL4)
1532	ENDIF
1533	IF (W_F(idf)%W_V(iv)%hist_wrt_rng) THEN
1534	IF (W_F(idf)%W_V(iv)%v_typ == hist_r8) THEN
1535	iret = NF90_PUT_ATT (nfid,nvid,'valid_min', &
1536	& REAL(W_F(idf)%W_V(iv)%hist_minmax(1),KIND=8))
1537	iret = NF90_PUT_ATT (nfid,nvid,'valid_max', &
1538	& REAL(W_F(idf)%W_V(iv)%hist_minmax(2),KIND=8))
1539	ELSE
1540	iret = NF90_PUT_ATT (nfid,nvid,'valid_min', &
1541	& REAL(W_F(idf)%W_V(iv)%hist_minmax(1),KIND=4))
1542	iret = NF90_PUT_ATT (nfid,nvid,'valid_max', &
1543	& REAL(W_F(idf)%W_V(iv)%hist_minmax(2),KIND=4))
1544	ENDIF
1545	ENDIF
1546	iret = NF90_PUT_ATT (nfid,nvid,'long_name', &
1547	& TRIM(W_F(idf)%W_V(iv)%title))
1548	iret = NF90_PUT_ATT (nfid,nvid,'online_operation', &
1549	& TRIM(W_F(idf)%W_V(iv)%fullop))
1550	!-
1551	SELECT CASE(ndim)
1552	CASE(-3,2:4)
1553	CASE DEFAULT
1554	CALL ipslerr (3,"histend", &
1555	& 'less than 2 or more than 4 dimensions are not', &
1556	& 'allowed at this stage',' ')
1557	END SELECT
1558	!-
1559	assoc=TRIM(W_F(idf)%hax_name(W_F(idf)%W_V(iv)%h_axid,2)) &
1560	& //' '//TRIM(W_F(idf)%hax_name(W_F(idf)%W_V(iv)%h_axid,1))
1561	!-
1562	ziv = W_F(idf)%W_V(iv)%z_axid
1563	IF (ziv > 0) THEN
1564	str30 = W_F(idf)%zax_name(ziv)
1565	assoc = TRIM(str30)//' '//TRIM(assoc)
1566	ENDIF
1567	!-
1568	IF (itax > 0) THEN
1569	IF (itax > 1) THEN
1570	str30 = W_F(idf)%W_V(itax)%tax_name
1571	ELSE
1572	str30 = "time_counter"
1573	ENDIF
1574	assoc = TRIM(str30)//' '//TRIM(assoc)
1575	!-
1576	IF (l_dbg) THEN
1577	WRITE(,) "histend : 2.0.n, freq_opp, freq_wrt", &
1578	& W_F(idf)%W_V(iv)%freq_opp,W_F(idf)%W_V(iv)%freq_wrt
1579	ENDIF
1580	!-
1581	iret = NF90_PUT_ATT (nfid,nvid,'interval_operation', &
1582	& REAL(W_F(idf)%W_V(iv)%freq_opp,KIND=4))
1583	iret = NF90_PUT_ATT (nfid,nvid,'interval_write', &
1584	& REAL(W_F(idf)%W_V(iv)%freq_wrt,KIND=4))
1585	ENDIF
1586	iret = NF90_PUT_ATT (nfid,nvid,'coordinates',TRIM(assoc))
1587	ENDIF
1588	ENDDO
1589	!-
1590	! 2.2 Add DOMAIN attributes if needed
1591	!-
1592	IF (W_F(idf)%dom_id_svg >= 0) THEN
1593	CALL flio_dom_att (nfid,W_F(idf)%dom_id_svg)
1594	ENDIF
1595	!-
1596	! 3.0 Put the netcdf file into write mode
1597	!-
1598	IF (l_dbg) WRITE(,) "histend : 3.0"
1599	!-
1600	iret = NF90_ENDDEF (nfid)
1601	!-
1602	! 4.0 Give some informations to the user
1603	!-
1604	IF (l_dbg) WRITE(,) "histend : 4.0"
1605	!-
1606	!!$ WRITE(str70,'("All variables have been initialized on file :",I3)') idf
1607	!!$ CALL ipslerr (1,'histend',str70,'',' ')
1608	!---------------------
1609	END SUBROUTINE histend
1610	!===
1611	SUBROUTINE histwrite_r1d (idf,pvarname,pitau,pdata,nbindex,nindex)
1612	!---------------------------------------------------------------------
1613	IMPLICIT NONE
1614	!-
1615	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1616	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1617	REAL,DIMENSION(:),INTENT(IN) :: pdata
1618	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1619	!---------------------------------------------------------------------
1620	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_1d=pdata)
1621	!---------------------------
1622	END SUBROUTINE histwrite_r1d
1623	!===
1624	SUBROUTINE histwrite_r2d (idf,pvarname,pitau,pdata,nbindex,nindex)
1625	!---------------------------------------------------------------------
1626	IMPLICIT NONE
1627	!-
1628	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1629	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1630	REAL,DIMENSION(:,:),INTENT(IN) :: pdata
1631	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1632	!---------------------------------------------------------------------
1633	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_2d=pdata)
1634	!---------------------------
1635	END SUBROUTINE histwrite_r2d
1636	!===
1637	SUBROUTINE histwrite_r3d (idf,pvarname,pitau,pdata,nbindex,nindex)
1638	!---------------------------------------------------------------------
1639	IMPLICIT NONE
1640	!-
1641	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1642	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1643	REAL,DIMENSION(:,:,:),INTENT(IN) :: pdata
1644	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1645	!---------------------------------------------------------------------
1646	CALL histw_rnd (idf,pvarname,pitau,nbindex,nindex,pdata_3d=pdata)
1647	!---------------------------
1648	END SUBROUTINE histwrite_r3d
1649	!===
1650	SUBROUTINE histw_rnd (idf,pvarname,pitau,nbindex,nindex, &
1651	& pdata_1d,pdata_2d,pdata_3d)
1652	!---------------------------------------------------------------------
1653	IMPLICIT NONE
1654	!-
1655	INTEGER,INTENT(IN) :: idf,pitau,nbindex
1656	INTEGER,DIMENSION(nbindex),INTENT(IN) :: nindex
1657	CHARACTER(LEN=*),INTENT(IN) :: pvarname
1658	REAL,DIMENSION(:),INTENT(IN),OPTIONAL :: pdata_1d
1659	REAL,DIMENSION(:,:),INTENT(IN),OPTIONAL :: pdata_2d
1660	REAL,DIMENSION(:,:,:),INTENT(IN),OPTIONAL :: pdata_3d
1661	!-
1662	LOGICAL :: do_oper,do_write,largebuf,l1d,l2d,l3d
1663	INTEGER :: iv,io,nbpt_out
1664	INTEGER :: nbpt_in1
1665	INTEGER,DIMENSION(2) :: nbpt_in2
1666	INTEGER,DIMENSION(3) :: nbpt_in3
1667	REAL,ALLOCATABLE,DIMENSION(:),SAVE :: tbf_1
1668	CHARACTER(LEN=7) :: tmp_opp
1669	CHARACTER(LEN=13) :: c_nam
1670	LOGICAL :: l_dbg
1671	!---------------------------------------------------------------------
1672	CALL ipsldbg (old_status=l_dbg)
1673	!-
1674	l1d=PRESENT(pdata_1d); l2d=PRESENT(pdata_2d); l3d=PRESENT(pdata_3d);
1675	IF (l1d) THEN
1676	c_nam = 'histwrite_r1d'
1677	ELSE IF (l2d) THEN
1678	c_nam = 'histwrite_r2d'
1679	ELSE IF (l3d) THEN
1680	c_nam = 'histwrite_r3d'
1681	ENDIF
1682	!-
1683	IF (l_dbg) THEN
1684	WRITE(,) "histwrite : ",c_nam
1685	ENDIF
1686	!-
1687	! 1.0 Try to catch errors like specifying the wrong file ID.
1688	! Thanks Marine for showing us what errors users can make !
1689	!-
1690	IF ( (idf < 1).OR.(idf > nb_files_max) ) THEN
1691	CALL ipslerr (3,"histwrite", &
1692	& 'Illegal file ID in the histwrite of variable',pvarname,' ')
1693	ENDIF
1694	!-
1695	! 1.1 Find the id of the variable to be written and the real time
1696	!-
1697	CALL histvar_seq (idf,pvarname,iv)
1698	!-
1699	! 2.0 do nothing for never operation
1700	!-
1701	tmp_opp = W_F(idf)%W_V(iv)%topp
1702	!-
1703	IF (TRIM(tmp_opp) == "never") THEN
1704	W_F(idf)%W_V(iv)%last_opp_chk = -99
1705	W_F(idf)%W_V(iv)%last_wrt_chk = -99
1706	ENDIF
1707	!-
1708	! 3.0 We check if we need to do an operation
1709	!-
1710	IF (W_F(idf)%W_V(iv)%last_opp_chk == pitau) THEN
1711	CALL ipslerr (3,"histwrite", &
1712	& 'This variable has already been analysed at the present', &
1713	& 'time step',TRIM(pvarname))
1714	ENDIF
1715	!-
1716	CALL isittime &
1717	& (pitau,W_F(idf)%date0,W_F(idf)%deltat, &
1718	& W_F(idf)%W_V(iv)%freq_opp, &
1719	& W_F(idf)%W_V(iv)%last_opp, &
1720	& W_F(idf)%W_V(iv)%last_opp_chk,do_oper)
1721	!-
1722	! 4.0 We check if we need to write the data
1723	!-
1724	IF (W_F(idf)%W_V(iv)%last_wrt_chk == pitau) THEN
1725	CALL ipslerr (3,"histwrite", &
1726	& 'This variable as already been written for the present', &
1727	& 'time step',' ')
1728	ENDIF
1729	!-
1730	CALL isittime &
1731	& (pitau,W_F(idf)%date0,W_F(idf)%deltat, &
1732	& W_F(idf)%W_V(iv)%freq_wrt, &
1733	& W_F(idf)%W_V(iv)%last_wrt, &
1734	& W_F(idf)%W_V(iv)%last_wrt_chk,do_write)
1735	!-
1736	! 5.0 histwrite called
1737	!-
1738	IF (do_oper.OR.do_write) THEN
1739	!-
1740	!-- 5.1 Get the sizes of the data we will handle
1741	!-
1742	IF (W_F(idf)%W_V(iv)%datasz_in(1) <= 0) THEN
1743	!---- There is the risk here that the user has over-sized the array.
1744	!---- But how can we catch this ?
1745	!---- In the worst case we will do impossible operations
1746	!---- on part of the data !
1747	W_F(idf)%W_V(iv)%datasz_in(1:3) = -1
1748	IF (l1d) THEN
1749	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_1d)
1750	ELSE IF (l2d) THEN
1751	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_2d,DIM=1)
1752	W_F(idf)%W_V(iv)%datasz_in(2) = SIZE(pdata_2d,DIM=2)
1753	ELSE IF (l3d) THEN
1754	W_F(idf)%W_V(iv)%datasz_in(1) = SIZE(pdata_3d,DIM=1)
1755	W_F(idf)%W_V(iv)%datasz_in(2) = SIZE(pdata_3d,DIM=2)
1756	W_F(idf)%W_V(iv)%datasz_in(3) = SIZE(pdata_3d,DIM=3)
1757	ENDIF
1758	ENDIF
1759	!-
1760	!-- 5.2 The maximum size of the data will give the size of the buffer
1761	!-
1762	IF (W_F(idf)%W_V(iv)%datasz_max <= 0) THEN
1763	largebuf = .FALSE.
1764	DO io=1,W_F(idf)%W_V(iv)%nbopp
1765	IF (INDEX(fuchnbout,W_F(idf)%W_V(iv)%sopp(io)) > 0) THEN
1766	largebuf = .TRUE.
1767	ENDIF
1768	ENDDO
1769	IF (largebuf) THEN
1770	W_F(idf)%W_V(iv)%datasz_max = &
1771	& W_F(idf)%W_V(iv)%scsize(1) &
1772	& *W_F(idf)%W_V(iv)%scsize(2) &
1773	& *W_F(idf)%W_V(iv)%scsize(3)
1774	ELSE
1775	IF (l1d) THEN
1776	W_F(idf)%W_V(iv)%datasz_max = &
1777	& W_F(idf)%W_V(iv)%datasz_in(1)
1778	ELSE IF (l2d) THEN
1779	W_F(idf)%W_V(iv)%datasz_max = &
1780	& W_F(idf)%W_V(iv)%datasz_in(1) &
1781	& *W_F(idf)%W_V(iv)%datasz_in(2)
1782	ELSE IF (l3d) THEN
1783	W_F(idf)%W_V(iv)%datasz_max = &
1784	& W_F(idf)%W_V(iv)%datasz_in(1) &
1785	& *W_F(idf)%W_V(iv)%datasz_in(2) &
1786	& *W_F(idf)%W_V(iv)%datasz_in(3)
1787	ENDIF
1788	ENDIF
1789	ENDIF
1790	!-
1791	IF (.NOT.ALLOCATED(tbf_1)) THEN
1792	IF (l_dbg) THEN
1793	WRITE(,) &
1794	& c_nam//" : allocate tbf_1 for size = ", &
1795	& W_F(idf)%W_V(iv)%datasz_max
1796	ENDIF
1797	ALLOCATE(tbf_1(W_F(idf)%W_V(iv)%datasz_max))
1798	ELSE IF (W_F(idf)%W_V(iv)%datasz_max > SIZE(tbf_1)) THEN
1799	IF (l_dbg) THEN
1800	WRITE(,) &
1801	& c_nam//" : re-allocate tbf_1 for size = ", &
1802	& W_F(idf)%W_V(iv)%datasz_max
1803	ENDIF
1804	DEALLOCATE(tbf_1)
1805	ALLOCATE(tbf_1(W_F(idf)%W_V(iv)%datasz_max))
1806	ENDIF
1807	!-
1808	!-- We have to do the first operation anyway.
1809	!-- Thus we do it here and change the ranke
1810	!-- of the data at the same time. This should speed up things.
1811	!-
1812	nbpt_out = W_F(idf)%W_V(iv)%datasz_max
1813	IF (l1d) THEN
1814	nbpt_in1 = W_F(idf)%W_V(iv)%datasz_in(1)
1815	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in1,pdata_1d, &
1816	& missing_val,nbindex,nindex, &
1817	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1818	ELSE IF (l2d) THEN
1819	nbpt_in2(1:2) = W_F(idf)%W_V(iv)%datasz_in(1:2)
1820	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in2,pdata_2d, &
1821	& missing_val,nbindex,nindex, &
1822	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1823	ELSE IF (l3d) THEN
1824	nbpt_in3(1:3) = W_F(idf)%W_V(iv)%datasz_in(1:3)
1825	CALL mathop (W_F(idf)%W_V(iv)%sopp(1),nbpt_in3,pdata_3d, &
1826	& missing_val,nbindex,nindex, &
1827	& W_F(idf)%W_V(iv)%scal(1),nbpt_out,tbf_1)
1828	ENDIF
1829	CALL histwrite_real (idf,iv,pitau,nbpt_out, &
1830	& tbf_1,nbindex,nindex,do_oper,do_write)
1831	ENDIF
1832	!-
1833	! 6.0 Manage time steps
1834	!-
1835	IF ((TRIM(tmp_opp) /= "once").AND.(TRIM(tmp_opp) /= "never")) THEN
1836	W_F(idf)%W_V(iv)%last_opp_chk = pitau
1837	W_F(idf)%W_V(iv)%last_wrt_chk = pitau
1838	ELSE
1839	W_F(idf)%W_V(iv)%last_opp_chk = -99
1840	W_F(idf)%W_V(iv)%last_wrt_chk = -99
1841	ENDIF
1842	!-----------------------
1843	END SUBROUTINE histw_rnd
1844	!===
1845	SUBROUTINE histwrite_real &
1846	& (idf,iv,pitau,nbdpt,tbf_1,nbindex,nindex,do_oper,do_write)
1847	!---------------------------------------------------------------------
1848	!- This subroutine is internal and does the calculations and writing
1849	!- if needed. At a later stage it should be split into an operation
1850	!- and writing subroutines.
1851	!---------------------------------------------------------------------
1852	IMPLICIT NONE
1853	!-
1854	INTEGER,INTENT(IN) :: idf,pitau,iv, &
1855	& nbindex,nindex(nbindex),nbdpt
1856	REAL,DIMENSION(:) :: tbf_1
1857	LOGICAL,INTENT(IN) :: do_oper,do_write
1858	!-
1859	INTEGER :: tsz,nfid,nvid,iret,itax,io,nbin,nbout
1860	INTEGER :: nx,ny,nz,ky,kz,kt,kc
1861	INTEGER,DIMENSION(4) :: corner,edges
1862	INTEGER :: itime
1863	!-
1864	REAL :: rtime
1865	REAL,DIMENSION(2) :: t_bnd
1866	CHARACTER(LEN=7) :: tmp_opp
1867	REAL,ALLOCATABLE,DIMENSION(:),SAVE :: tbf_2
1868	LOGICAL :: l_dbg
1869	!---------------------------------------------------------------------
1870	CALL ipsldbg (old_status=l_dbg)
1871	!-
1872	IF (l_dbg) THEN
1873	WRITE(,) "histwrite 0.0 : VAR : ",W_F(idf)%W_V(iv)%v_name
1874	WRITE(,) "histwrite 0.0 : nbindex :",nbindex
1875	WRITE(,) "histwrite 0.0 : nindex :",nindex(1:MIN(3,nbindex)),'...'
1876	ENDIF
1877	!-
1878	! The sizes which can be encoutered
1879	!-
1880	tsz = W_F(idf)%W_V(iv)%zsize(1) &
1881	& *W_F(idf)%W_V(iv)%zsize(2) &
1882	& *W_F(idf)%W_V(iv)%zsize(3)
1883	!-
1884	! 1.0 We allocate and the temporary space needed for operations.
1885	! The buffers are only deallocated when more space is needed.
1886	! This reduces the umber of allocates but increases memory needs.
1887	!-
1888	IF (.NOT.ALLOCATED(tbf_2)) THEN
1889	IF (l_dbg) THEN
1890	WRITE(,) "histwrite_real 1.1 allocate tbf_2 ",SIZE(tbf_1)
1891	ENDIF
1892	ALLOCATE(tbf_2(W_F(idf)%W_V(iv)%datasz_max))
1893	ELSE IF (W_F(idf)%W_V(iv)%datasz_max > SIZE(tbf_2)) THEN
1894	IF (l_dbg) THEN
1895	WRITE(,) "histwrite_real 1.2 re-allocate tbf_2 : ", &
1896	& SIZE(tbf_1)," instead of ",SIZE(tbf_2)
1897	ENDIF
1898	DEALLOCATE(tbf_2)
1899	ALLOCATE(tbf_2(W_F(idf)%W_V(iv)%datasz_max))
1900	ENDIF
1901	!-
1902	rtime = pitau*W_F(idf)%deltat
1903	tmp_opp = W_F(idf)%W_V(iv)%topp
1904	!-
1905	! 3.0 Do the operations or transfer the slab of data into tbf_1
1906	!-
1907	IF (l_dbg) THEN
1908	WRITE(,) "histwrite: 3.0",idf
1909	ENDIF
1910	!-
1911	! 3.1 DO the Operations only if needed
1912	!-
1913	IF (do_oper) THEN
1914	nbout = nbdpt
1915	!-
1916	!-- 3.4 We continue the sequence of operations
1917	!-- we started in the interface routine
1918	!-
1919	DO io=2,W_F(idf)%W_V(iv)%nbopp,2
1920	nbin = nbout
1921	nbout = W_F(idf)%W_V(iv)%datasz_max
1922	CALL mathop(W_F(idf)%W_V(iv)%sopp(io),nbin,tbf_1, &
1923	& missing_val,nbindex,nindex,W_F(idf)%W_V(iv)%scal(io), &
1924	& nbout,tbf_2)
1925	IF (l_dbg) THEN
1926	WRITE(,) &
1927	& "histwrite: 3.4a nbout : ",nbin,nbout,W_F(idf)%W_V(iv)%sopp(io)
1928	ENDIF
1929	!-
1930	nbin = nbout
1931	nbout = W_F(idf)%W_V(iv)%datasz_max
1932	CALL mathop(W_F(idf)%W_V(iv)%sopp(io+1),nbin,tbf_2, &
1933	& missing_val,nbindex,nindex,W_F(idf)%W_V(iv)%scal(io+1), &
1934	& nbout,tbf_1)
1935	IF (l_dbg) THEN
1936	WRITE(,) &
1937	& "histwrite: 3.4b nbout : ",nbin,nbout,W_F(idf)%W_V(iv)%sopp(io+1)
1938	ENDIF
1939	ENDDO
1940	!-
1941	! 3.5 Zoom into the data
1942	!-
1943	IF (l_dbg) THEN
1944	WRITE(,) &
1945	& "histwrite: 3.5 size(tbf_1) : ",SIZE(tbf_1)
1946	WRITE(,) &
1947	& "histwrite: 3.5 slab in X :", &
1948	& W_F(idf)%W_V(iv)%zorig(1),W_F(idf)%W_V(iv)%zsize(1)
1949	WRITE(,) &
1950	& "histwrite: 3.5 slab in Y :", &
1951	& W_F(idf)%W_V(iv)%zorig(2),W_F(idf)%W_V(iv)%zsize(2)
1952	WRITE(,) &
1953	& "histwrite: 3.5 slab in Z :", &
1954	& W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zsize(3)
1955	WRITE(,) &
1956	& "histwrite: 3.5 slab of input:", &
1957	& W_F(idf)%W_V(iv)%scsize(1), &
1958	& W_F(idf)%W_V(iv)%scsize(2), &
1959	& W_F(idf)%W_V(iv)%scsize(3)
1960	ENDIF
1961	!---
1962	!-- We have to consider blocks of contiguous data
1963	!---
1964	nx=MAX(W_F(idf)%W_V(iv)%zsize(1),1)
1965	ny=MAX(W_F(idf)%W_V(iv)%zsize(2),1)
1966	nz=MAX(W_F(idf)%W_V(iv)%zsize(3),1)
1967	IF ( (W_F(idf)%W_V(iv)%zorig(1) == 1) &
1968	& .AND.( W_F(idf)%W_V(iv)%zsize(1) &
1969	& == W_F(idf)%W_V(iv)%scsize(1)) &
1970	& .AND.(W_F(idf)%W_V(iv)%zorig(2) == 1) &
1971	& .AND.( W_F(idf)%W_V(iv)%zsize(2) &
1972	& == W_F(idf)%W_V(iv)%scsize(2))) THEN
1973	kt = (W_F(idf)%W_V(iv)%zorig(3)-1)nxny
1974	tbf_2(1:nxnynz) = tbf_1(kt+1:kt+nxnynz)
1975	ELSEIF ( (W_F(idf)%W_V(iv)%zorig(1) == 1) &
1976	& .AND.( W_F(idf)%W_V(iv)%zsize(1) &
1977	& == W_F(idf)%W_V(iv)%scsize(1))) THEN
1978	kc = -nx*ny
1979	DO kz=W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zorig(3)+nz-1
1980	kc = kc+nx*ny
1981	kt = ( (kz-1)*W_F(idf)%W_V(iv)%scsize(2) &
1982	& +W_F(idf)%W_V(iv)%zorig(2)-1)*nx
1983	tbf_2(kc+1:kc+nxny) = tbf_1(kt+1:kt+nxny)
1984	ENDDO
1985	ELSE
1986	kc = -nx
1987	DO kz=W_F(idf)%W_V(iv)%zorig(3),W_F(idf)%W_V(iv)%zorig(3)+nz-1
1988	DO ky=W_F(idf)%W_V(iv)%zorig(2),W_F(idf)%W_V(iv)%zorig(2)+ny-1
1989	kc = kc+nx
1990	kt = ((kz-1)*W_F(idf)%W_V(iv)%scsize(2)+ky-1) &
1991	& *W_F(idf)%W_V(iv)%scsize(1) &
1992	& +W_F(idf)%W_V(iv)%zorig(1)-1
1993	tbf_2(kc+1:kc+nx) = tbf_1(kt+1:kt+nx)
1994	ENDDO
1995	ENDDO
1996	ENDIF
1997	!-
1998	!-- 4.0 Get the min and max of the field
1999	!-
2000	IF (l_dbg) THEN
2001	WRITE(,) "histwrite: 4.0 tbf_1",idf,iv, &
2002	& TRIM(tmp_opp),' ---- ',LEN_TRIM(tmp_opp),nbindex
2003	ENDIF
2004	!-
2005	IF (W_F(idf)%W_V(iv)%hist_calc_rng) THEN
2006	W_F(idf)%W_V(iv)%hist_minmax(1) = &
2007	& MIN(W_F(idf)%W_V(iv)%hist_minmax(1), &
2008	& MINVAL(tbf_2(1:tsz),MASK=tbf_2(1:tsz) /= missing_val))
2009	W_F(idf)%W_V(iv)%hist_minmax(2) = &
2010	& MAX(W_F(idf)%W_V(iv)%hist_minmax(2), &
2011	& MAXVAL(tbf_2(1:tsz),MASK=tbf_2(1:tsz) /= missing_val))
2012	ENDIF
2013	!-
2014	!-- 5.0 Do the operations if needed. In the case of instantaneous
2015	!-- output we do not transfer to the time_buffer.
2016	!-
2017	IF (l_dbg) THEN
2018	WRITE(,) "histwrite: 5.0 idf : ",idf," iv : ",iv," tsz : ",tsz
2019	ENDIF
2020	!-
2021	IF ( (TRIM(tmp_opp) /= "inst") &
2022	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2023	CALL moycum(tmp_opp,tsz,W_F(idf)%W_V(iv)%t_bf, &
2024	& tbf_2,W_F(idf)%W_V(iv)%nb_opp)
2025	ENDIF
2026	!-
2027	W_F(idf)%W_V(iv)%last_opp = pitau
2028	W_F(idf)%W_V(iv)%nb_opp = W_F(idf)%W_V(iv)%nb_opp+1
2029	!-
2030	ENDIF
2031	!-
2032	! 6.0 Write to file if needed
2033	!-
2034	IF (l_dbg) WRITE(,) "histwrite: 6.0",idf
2035	!-
2036	IF (do_write) THEN
2037	!-
2038	nfid = W_F(idf)%ncfid
2039	nvid = W_F(idf)%W_V(iv)%ncvid
2040	!-
2041	!-- 6.1 Do the operations that are needed before writting
2042	!-
2043	IF (l_dbg) WRITE(,) "histwrite: 6.1",idf
2044	!-
2045	IF ( (TRIM(tmp_opp) /= "inst") &
2046	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2047	t_bnd(1:2) = (/ W_F(idf)%W_V(iv)%last_wrt*W_F(idf)%deltat,rtime /)
2048	rtime = (t_bnd(1)+t_bnd(2))/2.0
2049	ENDIF
2050	!-
2051	!-- 6.2 Add a value to the time axis of this variable if needed
2052	!-
2053	IF ( (TRIM(tmp_opp) /= "l_max") &
2054	& .AND.(TRIM(tmp_opp) /= "l_min") &
2055	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2056	!-
2057	IF (l_dbg) WRITE(,) "histwrite: 6.2",idf
2058	!-
2059	itax = W_F(idf)%W_V(iv)%t_axid
2060	itime = W_F(idf)%W_V(iv)%nb_wrt+1
2061	!-
2062	IF (W_F(idf)%W_V(itax)%tax_last < itime) THEN
2063	iret = NF90_PUT_VAR (nfid,W_F(idf)%W_V(itax)%tdimid, &
2064	& (/ rtime /),start=(/ itime /),count=(/ 1 /))
2065	IF (W_F(idf)%W_V(itax)%tbndid > 0) THEN
2066	iret = NF90_PUT_VAR (nfid,W_F(idf)%W_V(itax)%tbndid, &
2067	& t_bnd,start=(/ 1,itime /),count=(/ 2,1 /))
2068	ENDIF
2069	W_F(idf)%W_V(itax)%tax_last = itime
2070	ENDIF
2071	ELSE
2072	itime=1
2073	ENDIF
2074	!-
2075	!-- 6.3 Write the data. Only in the case of instantaneous output
2076	! we do not write the buffer.
2077	!-
2078	IF (l_dbg) THEN
2079	WRITE(,) "histwrite: 6.3",idf,nfid,nvid,iv,itime
2080	ENDIF
2081	!-
2082	IF (W_F(idf)%W_V(iv)%scsize(3) == 1) THEN
2083	IF (W_F(idf)%regular) THEN
2084	corner(1:4) = (/ 1,1,itime,0 /)
2085	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2086	& W_F(idf)%W_V(iv)%zsize(2),1,0 /)
2087	ELSE
2088	corner(1:4) = (/ 1,itime,0,0 /)
2089	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1),1,0,0 /)
2090	ENDIF
2091	ELSE
2092	IF (W_F(idf)%regular) THEN
2093	corner(1:4) = (/ 1,1,1,itime /)
2094	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2095	& W_F(idf)%W_V(iv)%zsize(2), &
2096	& W_F(idf)%W_V(iv)%zsize(3),1 /)
2097	ELSE
2098	corner(1:4) = (/ 1,1,itime,0 /)
2099	edges(1:4) = (/ W_F(idf)%W_V(iv)%zsize(1), &
2100	& W_F(idf)%W_V(iv)%zsize(3),1,0 /)
2101	ENDIF
2102	ENDIF
2103	!-
2104	IF ( (TRIM(tmp_opp) /= "inst") &
2105	& .AND.(TRIM(tmp_opp) /= "once") ) THEN
2106	iret = NF90_PUT_VAR (nfid,nvid,W_F(idf)%W_V(iv)%t_bf, &
2107	& start=corner(1:4),count=edges(1:4))
2108	ELSE
2109	iret = NF90_PUT_VAR (nfid,nvid,tbf_2, &
2110	& start=corner(1:4),count=edges(1:4))
2111	ENDIF
2112	!-
2113	W_F(idf)%W_V(iv)%last_wrt = pitau
2114	W_F(idf)%W_V(iv)%nb_wrt = W_F(idf)%W_V(iv)%nb_wrt+1
2115	W_F(idf)%W_V(iv)%nb_opp = 0
2116	!---
2117	! After the write the file can be synchronized so that no data is
2118	! lost in case of a crash. This feature gives up on the benefits of
2119	! buffering and should only be used in debuging mode. A flag is
2120	! needed here to switch to this mode.
2121	!---
2122	! iret = NF90_SYNC (nfid)
2123	!-
2124	ENDIF
2125	!----------------------------
2126	END SUBROUTINE histwrite_real
2127	!===
2128	SUBROUTINE histvar_seq (idf,pvarname,idv)
2129	!---------------------------------------------------------------------
2130	!- This subroutine optimize the search for the variable in the table.
2131	!- In a first phase it will learn the succession of the variables
2132	!- called and then it will use the table to guess what comes next.
2133	!- It is the best solution to avoid lengthy searches through array
2134	!- vectors.
2135	!-
2136	!- ARGUMENTS :
2137	!-
2138	!- idf : id of the file on which we work
2139	!- pvarname : The name of the variable we are looking for
2140	!- idv : The var id we found
2141	!---------------------------------------------------------------------
2142	IMPLICIT NONE
2143	!-
2144	INTEGER,INTENT(in) :: idf
2145	CHARACTER(LEN=*),INTENT(IN) :: pvarname
2146	INTEGER,INTENT(out) :: idv
2147	!-
2148	LOGICAL,SAVE :: learning(nb_files_max)=.TRUE.
2149	INTEGER,SAVE :: overlap(nb_files_max) = -1
2150	INTEGER,SAVE :: varseq(nb_files_max,nb_var_max*3)
2151	INTEGER,SAVE :: varseq_len(nb_files_max) = 0
2152	INTEGER,SAVE :: varseq_pos(nb_files_max)
2153	INTEGER,SAVE :: varseq_err(nb_files_max) = 0
2154	INTEGER :: ib,sp,nn,pos
2155	CHARACTER(LEN=70) :: str70
2156	LOGICAL :: l_dbg
2157	!---------------------------------------------------------------------
2158	CALL ipsldbg (old_status=l_dbg)
2159	!-
2160	IF (l_dbg) THEN
2161	WRITE(,) 'histvar_seq, start of the subroutine :',learning(idf)
2162	ENDIF
2163	!-
2164	IF (learning(idf)) THEN
2165	!-
2166	!-- 1.0 We compute the length over which we are going
2167	!-- to check the overlap
2168	!-
2169	IF (overlap(idf) <= 0) THEN
2170	IF (W_F(idf)%n_var > 6) THEN
2171	overlap(idf) = W_F(idf)%n_var/3*2
2172	ELSE
2173	overlap(idf) = W_F(idf)%n_var
2174	ENDIF
2175	ENDIF
2176	!-
2177	!-- 1.1 Find the position of this string
2178	!-
2179	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_var)%v_name,pvarname,pos)
2180	IF (pos > 0) THEN
2181	idv = pos
2182	ELSE
2183	CALL ipslerr (3,"histvar_seq", &
2184	& 'The name of the variable you gave has not been declared', &
2185	& 'You should use subroutine histdef for declaring variable', &
2186	& TRIM(pvarname))
2187	ENDIF
2188	!-
2189	!-- 1.2 If we have not given up we store the position
2190	!-- in the sequence of calls
2191	!-
2192	IF (varseq_err(idf) >= 0) THEN
2193	sp = varseq_len(idf)+1
2194	IF (sp <= nb_var_max*3) THEN
2195	varseq(idf,sp) = idv
2196	varseq_len(idf) = sp
2197	ELSE
2198	CALL ipslerr (2,"histvar_seq",&
2199	& 'The learning process has failed and we give up. '// &
2200	& 'Either you sequence is',&
2201	& 'too complex or I am too dumb. '// &
2202	& 'This will only affect the efficiency',&
2203	& 'of your code. Thus if you wish to save time'// &
2204	& ' contact the IOIPSL team. ')
2205	WRITE(,) 'The sequence we have found up to now :'
2206	WRITE(,) varseq(idf,1:sp-1)
2207	varseq_err(idf) = -1
2208	ENDIF
2209	!-
2210	!---- 1.3 Check if we have found the right overlap
2211	!-
2212	IF (varseq_len(idf) >= overlap(idf)*2) THEN
2213	!-
2214	!------ We skip a few variables if needed as they could come
2215	!------ from the initialisation of the model.
2216	!-
2217	DO ib = 0,sp-overlap(idf)*2
2218	IF ( learning(idf) .AND.&
2219	& SUM(ABS(varseq(idf,ib+1:ib+overlap(idf)) -&
2220	& varseq(idf,sp-overlap(idf)+1:sp))) == 0 ) THEN
2221	learning(idf) = .FALSE.
2222	varseq_len(idf) = sp-overlap(idf)-ib
2223	varseq_pos(idf) = overlap(idf)+ib
2224	varseq(idf,1:varseq_len(idf)) = &
2225	& varseq(idf,ib+1:ib+varseq_len(idf))
2226	ENDIF
2227	ENDDO
2228	ENDIF
2229	ENDIF
2230	ELSE
2231	!-
2232	!-- 2.0 Now we know how the calls to histwrite are sequenced
2233	!-- and we can get a guess at the var ID
2234	!-
2235	nn = varseq_pos(idf)+1
2236	IF (nn > varseq_len(idf)) nn = 1
2237	!-
2238	idv = varseq(idf,nn)
2239	!-
2240	IF (TRIM(W_F(idf)%W_V(idv)%v_name) /= TRIM(pvarname)) THEN
2241	CALL find_str (W_F(idf)%W_V(1:W_F(idf)%n_var)%v_name,pvarname,pos)
2242	IF (pos > 0) THEN
2243	idv = pos
2244	ELSE
2245	CALL ipslerr (3,"histvar_seq", &
2246	& 'The name of the variable you gave has not been declared',&
2247	& 'You should use subroutine histdef for declaring variable', &
2248	& TRIM(pvarname))
2249	ENDIF
2250	varseq_err(idf) = varseq_err(idf)+1
2251	ELSE
2252	!-
2253	!---- We only keep the new position if we have found the variable
2254	!---- this way. This way an out of sequence call to histwrite does
2255	!---- not defeat the process.
2256	!-
2257	varseq_pos(idf) = nn
2258	ENDIF
2259	!-
2260	!!$ IF (varseq_err(idf) >= 10) THEN
2261	!!$ WRITE(str70,'("for file ",I3)') idf
2262	!!$ CALL ipslerr (2,"histvar_seq", &
2263	!!$ & 'There were 10 errors in the learned sequence of variables',&
2264	!!$ & str70,'This looks like a bug, please report it.')
2265	!!$ varseq_err(idf) = 0
2266	!!$ ENDIF
2267	ENDIF
2268	!-
2269	IF (l_dbg) THEN
2270	WRITE(,) &
2271	& 'histvar_seq, end of the subroutine :',TRIM(pvarname),idv
2272	ENDIF
2273	!-------------------------
2274	END SUBROUTINE histvar_seq
2275	!===
2276	SUBROUTINE histsync (idf)
2277	!---------------------------------------------------------------------
2278	!- This subroutine will synchronise all
2279	!- (or one if defined) opened files.
2280	!-
2281	!- VERSION
2282	!-
2283	!---------------------------------------------------------------------
2284	IMPLICIT NONE
2285	!-
2286	! idf : optional argument for fileid
2287	INTEGER,INTENT(in),OPTIONAL :: idf
2288	!-
2289	INTEGER :: ifile,iret,i_s,i_e
2290	!-
2291	LOGICAL :: l_dbg
2292	!---------------------------------------------------------------------
2293	CALL ipsldbg (old_status=l_dbg)
2294	!-
2295	IF (l_dbg) THEN
2296	WRITE(,) "->histsync"
2297	ENDIF
2298	!-
2299	IF (PRESENT(idf)) THEN
2300	IF ( (idf >= 1).AND.(idf <= nb_files_max) ) THEN
2301	IF (W_F(idf)%ncfid > 0) THEN
2302	i_s = idf
2303	i_e = idf
2304	ELSE
2305	i_s = 1
2306	i_e = 0
2307	CALL ipslerr (2,'histsync', &
2308	& 'Unable to synchronise the file :','probably','not opened')
2309	ENDIF
2310	ELSE
2311	CALL ipslerr (3,'histsync','Invalid file identifier',' ',' ')
2312	ENDIF
2313	ELSE
2314	i_s = 1
2315	i_e = nb_files_max
2316	ENDIF
2317	!-
2318	DO ifile=i_s,i_e
2319	IF (W_F(ifile)%ncfid > 0) THEN
2320	IF (l_dbg) THEN
2321	WRITE(,) ' histsync - synchronising file number ',ifile
2322	ENDIF
2323	iret = NF90_SYNC(W_F(ifile)%ncfid)
2324	ENDIF
2325	ENDDO
2326	!-
2327	IF (l_dbg) THEN
2328	WRITE(,) "<-histsync"
2329	ENDIF
2330	!----------------------
2331	END SUBROUTINE histsync
2332	!===
2333	SUBROUTINE histclo (idf)
2334	!---------------------------------------------------------------------
2335	!- This subroutine will close all (or one if defined) opened files
2336	!-
2337	!- VERSION
2338	!-
2339	!---------------------------------------------------------------------
2340	IMPLICIT NONE
2341	!-
2342	! idf : optional argument for fileid
2343	INTEGER,INTENT(in),OPTIONAL :: idf
2344	!-
2345	INTEGER :: ifile,nfid,nvid,iret,iv,i_s,i_e
2346	LOGICAL :: l_dbg
2347	!---------------------------------------------------------------------
2348	CALL ipsldbg (old_status=l_dbg)
2349	!-
2350	IF (l_dbg) THEN
2351	WRITE(,) "->histclo"
2352	ENDIF
2353	!-
2354	IF (PRESENT(idf)) THEN
2355	IF ( (idf >= 1).AND.(idf <= nb_files_max) ) THEN
2356	IF (W_F(idf)%ncfid > 0) THEN
2357	i_s = idf
2358	i_e = idf
2359	ELSE
2360	i_s = 1
2361	i_e = 0
2362	CALL ipslerr (2,'histclo', &
2363	& 'Unable to close the file :','probably','not opened')
2364	ENDIF
2365	ELSE
2366	CALL ipslerr (3,'histclo','Invalid file identifier',' ',' ')
2367	ENDIF
2368	ELSE
2369	i_s = 1
2370	i_e = nb_files_max
2371	ENDIF
2372	!-
2373	DO ifile=i_s,i_e
2374	IF (W_F(ifile)%ncfid > 0) THEN
2375	IF (l_dbg) THEN
2376	WRITE(,) ' histclo - closing specified file number :',ifile
2377	ENDIF
2378	nfid = W_F(ifile)%ncfid
2379	iret = NF90_REDEF(nfid)
2380	!-----
2381	!---- 1. Loop on the number of variables to add some final information
2382	!-----
2383	IF (l_dbg) THEN
2384	WRITE(,) ' Entering loop on vars : ',W_F(ifile)%n_var
2385	ENDIF
2386	DO iv=1,W_F(ifile)%n_var
2387	!------ Extrema
2388	IF (W_F(ifile)%W_V(iv)%hist_wrt_rng) THEN
2389	IF (l_dbg) THEN
2390	WRITE(,) 'min value for file :',ifile,' var n. :',iv, &
2391	& ' is : ',W_F(ifile)%W_V(iv)%hist_minmax(1)
2392	WRITE(,) 'max value for file :',ifile,' var n. :',iv, &
2393	& ' is : ',W_F(ifile)%W_V(iv)%hist_minmax(2)
2394	ENDIF
2395	IF (W_F(ifile)%W_V(iv)%hist_calc_rng) THEN
2396	!---------- Put the min and max values on the file
2397	nvid = W_F(ifile)%W_V(iv)%ncvid
2398	IF (W_F(ifile)%W_V(iv)%v_typ == hist_r8) THEN
2399	iret = NF90_PUT_ATT(nfid,nvid,'valid_min', &
2400	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(1),KIND=8))
2401	iret = NF90_PUT_ATT(nfid,nvid,'valid_max', &
2402	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(2),KIND=8))
2403	ELSE
2404	iret = NF90_PUT_ATT(nfid,nvid,'valid_min', &
2405	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(1),KIND=4))
2406	iret = NF90_PUT_ATT(nfid,nvid,'valid_max', &
2407	& REAL(W_F(ifile)%W_V(iv)%hist_minmax(2),KIND=4))
2408	ENDIF
2409	ENDIF
2410	ENDIF
2411	!------ Time-Buffers
2412	IF (ASSOCIATED(W_F(ifile)%W_V(iv)%t_bf)) THEN
2413	DEALLOCATE(W_F(ifile)%W_V(iv)%t_bf)
2414	ENDIF
2415	!------ Reinitialize the sizes
2416	W_F(ifile)%W_V(iv)%datasz_in(:) = -1
2417	W_F(ifile)%W_V(iv)%datasz_max = -1
2418	ENDDO
2419	!-----
2420	!---- 2. Close the file
2421	!-----
2422	IF (l_dbg) WRITE(,) ' close file :',nfid
2423	iret = NF90_CLOSE(nfid)
2424	W_F(ifile)%ncfid = -1
2425	W_F(ifile)%dom_id_svg = -1
2426	ENDIF
2427	ENDDO
2428	!-
2429	IF (l_dbg) THEN
2430	WRITE(,) "<-histclo"
2431	ENDIF
2432	!---------------------
2433	END SUBROUTINE histclo
2434	!===
2435	SUBROUTINE ioconf_modname (str)
2436	!---------------------------------------------------------------------
2437	!- This subroutine allows to configure the name
2438	!- of the model written into the file
2439	!---------------------------------------------------------------------
2440	IMPLICIT NONE
2441	!-
2442	CHARACTER(LEN=*),INTENT(IN) :: str
2443	!---------------------------------------------------------------------
2444	IF (.NOT.lock_modname) THEN
2445	model_name = str(1:MIN(LEN_TRIM(str),80))
2446	lock_modname = .TRUE.
2447	ELSE
2448	CALL ipslerr (2,"ioconf_modname", &
2449	& 'The model name can only be changed once and only', &
2450	& 'before it is used. It is now set to :',model_name)
2451	ENDIF
2452	!----------------------------
2453	END SUBROUTINE ioconf_modname
2454	!-
2455	!===
2456	!-
2457	!-----------------
2458	END MODULE histcom

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