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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 224

Last change on this file since 224 was 210, checked in by raasch, 16 years ago
updates in dvr routines for new dvr version
Property svn:keywords set to `Id`
File size: 26.6 KB

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1	PROGRAM combine_plot_fields
2
3	!------------------------------------------------------------------------------!
4	! Actual revisions:
5	! -----------------
6	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
7	! all three dimensions), because output of a subset of the data
8	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
9	! with the INTEL compiler.
10	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
11	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
12	! Bugfix: three misplaced #endif directives
13	!
14	! Former revisions:
15	! -----------------
16	! $Id: combine_plot_fields.f90 210 2008-11-06 08:54:02Z letzel $
17	!
18	! 114 2007-10-10 00:03:15Z raasch
19	! Bugfix: model_string needed a default value
20	!
21	! Aug 07 Loop for processing of output by coupled runs, id_string does not
22	! contain modus any longer
23	!
24	! 18/01/06 Output of time-averaged data
25	!
26	! 25/05/05 Errors removed
27	!
28	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
29	! file exists
30	!
31	! 31/10/01 All comments and messages translated into English
32	!
33	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
34	! Ursprungsversion vom 28/07/97
35	!
36	!
37	! Description:
38	! ------------
39	! This routine combines data of the PALM-subdomains into one file. In PALM
40	! every processor element opens its own file and writes 2D- or 3D-binary-data
41	! into it (different files are opened for xy-, xz-, yz-cross-sections and
42	! 3D-data). For plotting or analyzing these PE-data have to be collected and
43	! to be put into single files, which is done by this routine.
44	! Output format is NetCDF. Additionally, a data are output in a binary format
45	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
46	!
47	! This routine must be compiled with:
48	! decalpha:
49	! f95 -cpp -D__netcdf -fast -r8 -I/usr/local/netcdf-3.5.1/include
50	! -L/usr/local/netcdf-3.5.1/lib -lnetcdf
51	! IBM-Regatta:
52	! xlf95 -qsuffix=cpp=f90 -WF,-D__netcdf -qrealsize=8 -q64 -qmaxmem=-1 -Q
53	! -I /aws/dataformats/netcdf-3.6.0-p1/64-32/include-64
54	! -L/aws/dataformats/netcdf-3.6.0-p1/64-32/lib -lnetcdf -O3
55	! IBM-Regatta KISTI:
56	! xlf95 -qsuffix=cpp=f90 -WF,-D__netcdf -qrealsize=8 -q64 -qmaxmem=-1 -Q
57	! -I /applic/netcdf64/src/f90
58	! -L/applic/lib/NETCDF64 -lnetcdf -O3
59	! IBM-Regatta Yonsei (gfdl5):
60	! xlf95 -qsuffix=cpp=f90 -WF,-D__netcdf -qrealsize=8 -q64 -qmaxmem=-1 -Q
61	! -I /usr1/users/raasch/pub/netcdf-3.6.0-p1/include
62	! -L/usr1/users/raasch/pub/netcdf-3.6.0-p1/lib -lnetcdf -O3
63	! IMUK:
64	! ifort combine...f90 -o combine...x
65	! -cpp -D__netcdf -I /muksoft/packages/netcdf/linux/include -axW -r8 -nbs
66	! -Vaxlib -L /muksoft/packages/netcdf/linux/lib -lnetcdf
67	! NEC-SX6:
68	! sxf90 combine...f90 -o combine...x
69	! -I /pool/SX-6/netcdf/netcdf-3.6.0-p1/include -C hopt -Wf '-A idbl4'
70	! -D__netcdf -L/pool/SX-6/netcdf/netcdf-3.6.0-p1/lib -lnetcdf
71	! Sun Fire X4600
72	! pgf95 combine...f90 -o combine...x
73	! -Mpreprocess -D__netcdf -I /home/usr5/mkanda/netcdf-3.6.1/src/f90 -r8
74	! -fast -L/home/usr5/mkanda/netcdf-3.6.1/src/libsrc -lnetcdf
75	! FIMM:
76	! ifort combine...f90 -o combine...x
77	! -axW -cpp -openmp -r8 -nbs -convert little_endian -D__netcdf
78	! -I /local/netcdf/include -Vaxlib -L/local/netcdf/lib -lnetcdf
79	!------------------------------------------------------------------------------!
80
81	#if defined( __netcdf )
82	USE netcdf
83	#endif
84
85	IMPLICIT NONE
86
87	!
88	!-- Local variables
89	CHARACTER (LEN=2) :: modus, model_string
90	CHARACTER (LEN=4) :: id_string
91	CHARACTER (LEN=10) :: dimname, var_name
92	CHARACTER (LEN=40) :: filename
93
94	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
95
96	INTEGER, PARAMETER :: spk = SELECTED_REAL_KIND( 6 )
97
98	INTEGER :: av, danz, i, id, &
99	j, k, model, models, nc_stat, nxa, nxag, nxe, nxeg, nya, &
100	nyag, nye, nyeg, nza, nzag, nze, nzeg, pos, time_step, xa, xe, &
101	xxa, xxe, ya, ye, yya, yye, za, ze, zza, zze
102
103	INTEGER, DIMENSION(0:1) :: current_level, current_var, fanz, id_set, &
104	id_var_time, num_var
105
106	INTEGER, DIMENSION(4) :: id_dims_loc
107
108	INTEGER, DIMENSION(0:1,4) :: id_dims
109
110	INTEGER, DIMENSION(0:1,1000) :: id_var, levels
111
112	LOGICAL :: avs_output, compressed, found, iso2d_output, netcdf_output, &
113	netcdf_0, netcdf_1
114
115	REAL :: dx, simulated_time
116	REAL, DIMENSION(:), ALLOCATABLE :: eta, ho, hu
117	REAL, DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
118	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
119
120	PRINT*, ''
121	PRINT*, ''
122	PRINT, ' combine_plot_fields *'
123
124	!
125	!-- Find out if a coupled run has been carried out
126	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
127	IF ( found ) THEN
128	models = 2
129	PRINT*, ' coupled run'
130	ELSE
131	models = 1
132	PRINT*, ' uncoupled run'
133	ENDIF
134
135	!
136	!-- Do everything for each model
137	DO model = 1, models
138	!
139	!-- Set the model string used to identify the filenames
140	model_string = ''
141	IF ( models == 2 ) THEN
142	PRINT*, ''
143	PRINT, ' combine_plot_fields *'
144	IF ( model == 2 ) THEN
145	model_string = '_O'
146	PRINT*, ' now combining ocean data'
147	PRINT*, ' ========================'
148	ELSE
149	PRINT*, ' now combining atmosphere data'
150	PRINT*, ' ============================='
151	ENDIF
152	ENDIF
153	!
154	!-- 2D-arrays for ISO2D
155	!-- Main loop for the three different cross-sections, starting with
156	!-- xy-section
157	modus = 'XY'
158	PRINT*, ''
159	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
160	!
161	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
162	!-- create any output for this cross-section.
163	danz = 0
164	WRITE (id_string,'(I4.4)') danz
165	INQUIRE ( &
166	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
167	EXIST=found )
168	!
169	!-- Find out the number of files (equal to the number of PEs which
170	!-- have been used in PALM) and open them
171	DO WHILE ( found )
172
173	OPEN ( danz+110, &
174	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
175	FORM='UNFORMATTED' )
176	danz = danz + 1
177	WRITE (id_string,'(I4.4)') danz
178	INQUIRE ( &
179	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
180	EXIST=found )
181
182	ENDDO
183
184	!
185	!-- Inquire whether an iso2d parameter file exists
186	INQUIRE( FILE='PLOT2D_'//modus//'_GLOBAL'//TRIM( model_string ), &
187	EXIST=iso2d_output )
188
189	!
190	!-- Inquire whether a NetCDF file exists
191	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
192	EXIST=netcdf_0 )
193
194	!
195	!-- Inquire whether a NetCDF file for time-averaged data exists
196	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
197	EXIST=netcdf_1 )
198
199	IF ( netcdf_0 .OR. netcdf_1 ) THEN
200	netcdf_output = .TRUE.
201	ELSE
202	netcdf_output = .FALSE.
203	ENDIF
204
205	!
206	!-- Info-output
207	PRINT*, ''
208	PRINT, ' combine_plot_fields *'
209	#if defined( __netcdf )
210	IF ( netcdf_output ) PRINT*, ' NetCDF output enabled'
211	#else
212	IF ( netcdf_output ) THEN
213	PRINT*, '--- Sorry, no NetCDF support on this host'
214	netcdf_output = .FALSE.
215	ENDIF
216	#endif
217	IF ( danz /= 0 ) THEN
218	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
219	ELSE
220	PRINT*, ' no ', modus, '-section data available'
221	ENDIF
222
223	IF ( netcdf_output .AND. danz /= 0 ) THEN
224	#if defined( __netcdf )
225	DO av = 0, 1
226
227	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
228	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
229
230	!
231	!-- Open NetCDF dataset
232	IF ( av == 0 ) THEN
233	filename = 'DATA_2D_'//modus//'_NETCDF' &
234	//TRIM( model_string )
235	ELSE
236	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
237	//TRIM( model_string )
238	ENDIF
239	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
240	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
241
242	!
243	!-- Get the list of variables (order of variables corresponds with
244	!-- the order of data on the binary file)
245	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
246	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
247	var_list(av) )
248	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
249
250	!
251	!-- Inquire id of the time coordinate variable
252	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
253	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
254
255	!
256	!-- Count number of variables; there is one more semicolon in the
257	!-- string than variable names
258	num_var(av) = -1
259	DO i = 1, LEN( var_list(av) )
260	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
261	ENDDO
262
263	!
264	!-- Extract the variable names from the list and inquire their
265	!-- NetCDF IDs
266	pos = INDEX( var_list(av), ';' )
267	!
268	!-- Loop over all variables
269	DO i = 1, num_var(av)
270
271	!
272	!-- Extract variable name from list
273	var_list(av) = var_list(av)(pos+1:)
274	pos = INDEX( var_list(av), ';' )
275	var_name = var_list(av)(1:pos-1)
276
277	!
278	!-- Get variable ID from name
279	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
280	id_var(av,i) )
281	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
282
283	!
284	!-- Get number of x/y/z levels for that variable
285	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
286	dimids = id_dims_loc )
287	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
288	id_dims(av,:) = id_dims_loc
289
290	!
291	!-- Inquire dimension ID
292	DO j = 1, 4
293	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
294	id_dims(av,j), dimname, levels(av,i) )
295	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
296
297	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
298	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
299	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
300	ENDDO
301
302	ENDDO
303
304	ENDDO ! av = 0, 1
305
306	#endif
307	ENDIF
308
309	!
310	!-- Read the arrays, as long as the end of the file is reached
311	fanz = 0
312	current_level = 1
313	current_var = 999999999
314
315	DO WHILE ( danz /= 0 )
316
317	!
318	!-- Loop over all files (reading data of the subdomains)
319	DO id = 0, danz-1
320	!
321	!-- File from PE0 contains special information at the beginning,
322	!-- concerning the lower and upper indices of the total-domain used
323	!-- in PALM (nxag, nxeg, nyag, nyeg) and the lower and upper indices
324	!-- of the array to be writte by this routine (nxa, nxe, nya,
325	!-- nye). Usually in the horizontal directions nxag=-1 and nxa=0
326	!-- while all other variables have the same value (i.e. nxeg=nxe).
327	!-- Allocate necessary arrays, open the output file and write
328	!-- the coordinate informations needed by ISO2D.
329	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
330	READ ( id+110 ) nxag, nxeg, nyag, nyeg
331	READ ( id+110 ) nxa, nxe, nya, nye
332	ALLOCATE ( eta(nya:nye), ho(nxa:nxe), hu(nxa:nxe), &
333	pf(nxag:nxeg,nyag:nyeg) )
334	READ ( id+110 ) dx, eta, hu, ho
335
336	IF ( iso2d_output ) THEN
337	OPEN ( 2, FILE='PLOT2D_'//modus//TRIM( model_string ), &
338	FORM='UNFORMATTED' )
339	WRITE ( 2 ) dx, eta, hu, ho
340	ENDIF
341	ENDIF
342	!
343	!-- Read output time
344	IF ( netcdf_output .AND. id == 0 ) THEN
345	IF ( netcdf_1 ) THEN
346	READ ( id+110, END=998 ) simulated_time, time_step, av
347	ELSE
348	!
349	!-- For compatibility with earlier PALM versions
350	READ ( id+110, END=998 ) simulated_time, time_step
351	av = 0
352	ENDIF
353	ENDIF
354	!
355	!-- Read subdomain indices
356	READ ( id+110, END=998 ) xa, xe, ya, ye
357	!
358	!-- IF the PE made no output (in case that no part of the
359	!-- cross-section is situated on this PE), indices have the
360	!-- value -1
361	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
362	ya == -1 .AND. ye == -1 ) ) THEN
363	!
364	!-- Read the subdomain grid-point values
365	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
366	READ ( id+110 ) pf_tmp
367	pf(xa:xe,ya:ye) = pf_tmp
368	DEALLOCATE( pf_tmp )
369	ENDIF
370	IF ( id == 0 ) fanz(av) = fanz(av) + 1
371
372	ENDDO
373	!
374	!-- Write the data of the total domain cross-section
375	IF ( iso2d_output ) WRITE ( 2 ) pf(nxa:nxe,nya:nye)
376
377	!
378	!-- Write same data in NetCDF format
379	IF ( netcdf_output ) THEN
380	#if defined( __netcdf )
381	!
382	!-- Check if a new time step has begun; if yes write data to time
383	!-- axis
384	IF ( current_var(av) > num_var(av) ) THEN
385	current_var(av) = 1
386	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
387	(/ simulated_time /), &
388	start = (/ time_step /), &
389	count = (/ 1 /) )
390	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
391	ENDIF
392
393	!
394	!-- Now write the data; this is mode dependent
395	SELECT CASE ( modus )
396
397	CASE ( 'XY' )
398	nc_stat = NF90_PUT_VAR( id_set(av), &
399	id_var(av,current_var(av)), &
400	pf(nxa:nxe,nya:nye), &
401	start = (/ 1, 1, current_level(av), time_step /), &
402	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
403	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 8)
404
405	CASE ( 'XZ' )
406	nc_stat = NF90_PUT_VAR( id_set(av), &
407	id_var(av,current_var(av)), &
408	pf(nxa:nxe,nya:nye), &
409	start = (/ 1, current_level(av), 1, time_step /), &
410	count = (/ nxe-nxa+1, 1, nye-nya+1, 1 /) )
411	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 9)
412
413	CASE ( 'YZ' )
414	nc_stat = NF90_PUT_VAR( id_set(av), &
415	id_var(av,current_var(av)), &
416	pf(nxa:nxe,nya:nye), &
417	start = (/ current_level(av), 1, 1, time_step /), &
418	count = (/ 1, nxe-nxa+1, nye-nya+1, 1 /) )
419	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error(10)
420
421	END SELECT
422
423	!
424	!-- Data is written, check if max level is reached
425	current_level(av) = current_level(av) + 1
426	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
427	current_level(av) = 1
428	current_var(av) = current_var(av) + 1
429	ENDIF
430
431	#endif
432	ENDIF
433
434	ENDDO
435
436	998 IF ( danz /= 0 ) THEN
437	!
438	!-- Print the number of the arrays processed
439	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
440	IF ( fanz(1) /= 0 ) THEN
441	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
442	ENDIF
443
444	!
445	!-- Close all files and deallocate arrays
446	DO id = 0, danz-1
447	CLOSE ( id+110 )
448	ENDDO
449	CLOSE ( 2 )
450	DEALLOCATE ( eta, ho, hu, pf )
451	ENDIF
452
453	!
454	!-- Close the NetCDF file
455	IF ( netcdf_output .AND. danz /= 0 ) THEN
456	#if defined( __netcdf )
457	IF ( netcdf_0 ) THEN
458	nc_stat = NF90_CLOSE( id_set(0) )
459	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
460	ENDIF
461	IF ( netcdf_1 ) THEN
462	nc_stat = NF90_CLOSE( id_set(1) )
463	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
464	ENDIF
465	#endif
466	ENDIF
467
468	!
469	!-- Choose the next cross-section
470	SELECT CASE ( modus )
471	CASE ( 'XY' )
472	modus = 'XZ'
473	CASE ( 'XZ' )
474	modus = 'YZ'
475	CASE ( 'YZ' )
476	modus = 'no'
477	END SELECT
478
479	ENDDO
480
481
482	!
483	!-- Combine the 3D-arrays
484
485	!
486	!-- Inquire whether an avs fld file exists
487	INQUIRE( FILE='PLOT3D_FLD'//TRIM( model_string ), EXIST=avs_output )
488
489	!
490	!-- Inquire whether a NetCDF file exists
491	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
492
493	!
494	!-- Inquire whether a NetCDF file for time-averaged data exists
495	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
496
497	IF ( netcdf_0 .OR. netcdf_1 ) THEN
498	netcdf_output = .TRUE.
499	ELSE
500	netcdf_output = .FALSE.
501	ENDIF
502
503	!
504	!-- Check, if file from PE0 exists
505	danz = 0
506	WRITE (id_string,'(I4.4)') danz
507	INQUIRE ( &
508	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
509	EXIST=found )
510
511	!
512	!-- Combination only works, if data are not compressed. In that case,
513	!-- PALM created a flag file (PLOT3D_COMPRESSED)
514	INQUIRE ( FILE='PLOT3D_COMPRESSED'//TRIM( model_string ), &
515	EXIST=compressed )
516
517	!
518	!-- Find out the number of files and open them
519	DO WHILE ( found .AND. .NOT. compressed )
520
521	OPEN ( danz+110, &
522	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
523	FORM='UNFORMATTED')
524	danz = danz + 1
525	WRITE (id_string,'(I4.4)') danz
526	INQUIRE ( &
527	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
528	EXIST=found )
529
530	ENDDO
531
532	!
533	!-- Info-output
534	PRINT*, ' '
535	PRINT, ' combine_plot_fields *'
536	#if defined( __netcdf )
537	IF ( netcdf_output ) PRINT*, ' NetCDF output enabled'
538	#else
539	IF ( netcdf_output ) THEN
540	PRINT*, '--- Sorry, no NetCDF support on this host'
541	netcdf_output = .FALSE.
542	ENDIF
543	#endif
544	IF ( danz /= 0 ) THEN
545	PRINT*, ' 3D-data: ', danz, ' file(s) found'
546	ELSE
547	IF ( found .AND. compressed ) THEN
548	PRINT*, '+++ no 3D-data processing, since data are compressed'
549	ELSE
550	PRINT*, ' no 3D-data file available'
551	ENDIF
552	ENDIF
553
554	IF ( netcdf_output .AND. danz /= 0 ) THEN
555	#if defined( __netcdf )
556	DO av = 0, 1
557
558	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
559	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
560
561	!
562	!-- Open NetCDF dataset
563	IF ( av == 0 ) THEN
564	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
565	ELSE
566	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
567	ENDIF
568	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
569	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
570
571
572	!
573	!-- Get the list of variables (order of variables corresponds with the
574	!-- order of data on the binary file)
575	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
576	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
577	var_list(av) )
578	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
579
580	!
581	!-- Inquire id of the time coordinate variable
582	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
583	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
584
585	!
586	!-- Count number of variables; there is one more semicolon in the
587	!-- string than variable names
588	num_var(av) = -1
589	DO i = 1, LEN( var_list(av) )
590	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
591	ENDDO
592
593	!
594	!-- Extract the variable names from the list and inquire their NetCDF
595	!-- IDs
596	pos = INDEX( var_list(av), ';' )
597	!
598	!-- Loop over all variables
599	DO i = 1, num_var(av)
600
601	!
602	!-- Extract variable name from list
603	var_list(av) = var_list(av)(pos+1:)
604	pos = INDEX( var_list(av), ';' )
605	var_name = var_list(av)(1:pos-1)
606
607	!
608	!-- Get variable ID from name
609	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
610	id_var(av,i) )
611	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
612
613	ENDDO
614
615	ENDDO ! av=0,1
616
617	#endif
618	ENDIF
619
620	!
621	!-- Read arrays, until the end of the file is reached
622	current_var = 999999999
623	fanz = 0
624	DO WHILE ( danz /= 0 )
625
626	!
627	!-- Loop over all files
628	DO id = 0, danz-1
629	!
630	!-- File from PE0 contains special information at the beginning,
631	!-- concerning the lower and upper indices of the total-domain used in
632	!-- PALM (nxag, nxeg, nyag, nyeg, nzag, nzeg) and the lower and upper
633	!-- indices of the array to be written by this routine (nxa, nxe, nya,
634	!-- nye, nza, nze). Usually nxag=-1 and nxa=0, nyag=-1 and nya=0,
635	!-- nzeg=nz and nze=nz_plot3d.
636	!-- Allocate necessary array and open the output file.
637	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
638	READ ( id+110 ) nxag, nxeg, nyag, nyeg, nzag, nzeg
639	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
640	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
641	IF ( avs_output ) THEN
642	OPEN ( 2, FILE='PLOT3D_DATA'//TRIM( model_string ), &
643	FORM='UNFORMATTED' )
644	ENDIF
645	ENDIF
646
647	!
648	!-- Read output time
649	IF ( netcdf_output .AND. id == 0 ) THEN
650	IF ( netcdf_1 ) THEN
651	READ ( id+110, END=999 ) simulated_time, time_step, av
652	ELSE
653	!
654	!-- For compatibility with earlier PALM versions
655	READ ( id+110, END=999 ) simulated_time, time_step
656	av = 0
657	ENDIF
658	ENDIF
659
660	!
661	!-- Read subdomain indices and grid point values
662	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
663	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
664	READ ( id+110 ) pf3d_tmp
665
666	xxa = MAX( nxa, xa )
667	xxe = MIN( nxe, xe )
668	yya = MAX( nya, ya )
669	yye = MIN( nye, ye )
670	zza = MAX( nza, za )
671	zze = MIN( nze, ze )
672	DO k = zza, zze
673	DO j = yya, yye
674	DO i = xxa, xxe
675	pf3d(i,j,k) = pf3d_tmp(i,j,k)
676	ENDDO
677	ENDDO
678	ENDDO
679
680	DEALLOCATE( pf3d_tmp )
681	IF ( id == 0 ) fanz(av) = fanz(av) + 1
682
683	ENDDO
684
685	!
686	!-- Write data of the total domain
687	IF ( avs_output ) WRITE ( 2 ) pf3d(nxa:nxe,nya:nye,nza:nze)
688
689	!
690	!-- Write same data in NetCDF format
691	IF ( netcdf_output ) THEN
692	#if defined( __netcdf )
693	!
694	!-- Check if a new time step has begun; if yes write data to time axis
695	IF ( current_var(av) > num_var(av) ) THEN
696	current_var(av) = 1
697	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
698	(/ simulated_time /),&
699	start = (/ time_step /), count = (/ 1 /) )
700	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
701	ENDIF
702
703	!
704	!-- Now write the data
705	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)), &
706	pf3d, start = (/ 1, 1, 1, time_step /), &
707	count = (/ nxe-nxa+1, nye-nya+1, nze-nza+1, 1 /) )
708	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
709
710	current_var(av) = current_var(av) + 1
711
712	#endif
713	ENDIF
714
715	ENDDO
716
717	999 IF ( danz /= 0 ) THEN
718	!
719	!-- Print the number of arrays processed
720	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
721	IF ( fanz(1) /= 0 ) THEN
722	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
723	ENDIF
724	!
725	!-- Close all files and deallocate array
726	DO id = 0, danz-1
727	CLOSE ( id+110 )
728	ENDDO
729	CLOSE ( 2 )
730	DEALLOCATE ( pf3d )
731	!
732	!-- Close the NetCDF file
733	IF ( netcdf_output ) THEN
734	#if defined( __netcdf )
735	IF ( netcdf_0 ) THEN
736	nc_stat = NF90_CLOSE( id_set(0) )
737	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
738	ENDIF
739	IF ( netcdf_1 ) THEN
740	nc_stat = NF90_CLOSE( id_set(1) )
741	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
742	ENDIF
743	#endif
744	ENDIF
745	ENDIF
746
747	ENDDO ! models
748
749
750	CONTAINS
751
752
753	SUBROUTINE handle_netcdf_error( errno )
754	!
755	!-- Prints out a text message corresponding to the current NetCDF status
756
757	IMPLICIT NONE
758
759	INTEGER, INTENT(IN) :: errno
760
761	#if defined( __netcdf )
762	IF ( nc_stat /= NF90_NOERR ) THEN
763	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
764	TRIM( nf90_strerror( nc_stat ) )
765	ENDIF
766	#endif
767
768	END SUBROUTINE handle_netcdf_error
769
770
771	END PROGRAM combine_plot_fields
772
773
774

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