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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 869

Last change on this file since 869 was 692, checked in by maronga, 14 years ago
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1	PROGRAM combine_plot_fields
2
3	!------------------------------------------------------------------------------!
4	! Current revisions:
5	! -----------------
6	!
7	! Former revisions:
8	! -----------------
9	! $Id: combine_plot_fields.f90 692 2011-03-04 08:52:15Z raasch $
10	!
11	! 691 2011-03-04 08:45:30Z maronga
12	! Bugfix: check for precursor ocean runs, removed typo
13	!
14	! 493 2010-03-01 08:30:24Z raasch
15	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
16	! cpu measurements included
17	!
18	! 210 2008-11-06 08:54:02Z raasch
19	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
20	! all three dimensions), because output of a subset of the data
21	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
22	! with the INTEL compiler.
23	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
24	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
25	! Bugfix: three misplaced #endif directives
26	!
27	! 114 2007-10-10 00:03:15Z raasch
28	! Bugfix: model_string needed a default value
29	!
30	! Aug 07 Loop for processing of output by coupled runs, id_string does not
31	! contain modus any longer
32	!
33	! 18/01/06 Output of time-averaged data
34	!
35	! 25/05/05 Errors removed
36	!
37	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
38	! file exists
39	!
40	! 31/10/01 All comments and messages translated into English
41	!
42	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
43	! Ursprungsversion vom 28/07/97
44	!
45	!
46	! Description:
47	! ------------
48	! This routine combines data of the PALM-subdomains into one file. In PALM
49	! every processor element opens its own file and writes 2D- or 3D-binary-data
50	! into it (different files are opened for xy-, xz-, yz-cross-sections and
51	! 3D-data). For plotting or analyzing these PE-data have to be collected and
52	! to be put into single files, which is done by this routine.
53	! Output format is NetCDF. Additionally, a data are output in a binary format
54	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
55	!------------------------------------------------------------------------------!
56
57	#if defined( __netcdf )
58	USE netcdf
59	#endif
60
61	IMPLICIT NONE
62
63	!
64	!-- Local variables
65	CHARACTER (LEN=2) :: modus, model_string
66	CHARACTER (LEN=4) :: id_string
67	CHARACTER (LEN=10) :: dimname, var_name
68	CHARACTER (LEN=40) :: filename
69
70	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
71
72	INTEGER, PARAMETER :: spk = SELECTED_REAL_KIND( 6 )
73
74	INTEGER :: av, danz, i, id, &
75	j, k, model, models, nc_stat, nxa, nxag, nxe, nxeg, nya, &
76	nyag, nye, nyeg, nza, nzag, nze, nzeg, pos, time_step, xa, xe, &
77	xxa, xxe, ya, ye, yya, yye, za, ze, zza, zze
78
79	#if defined( __lc ) \|\| defined( __decalpha )
80	INTEGER(8) :: count, count_rate
81	#elif defined( __nec )
82	INTEGER :: count, count_rate
83	#elif defined( __ibm )
84	INTEGER(8) :: IRTC
85	#endif
86
87	INTEGER, DIMENSION(0:1) :: current_level, current_var, fanz, id_set, &
88	id_var_time, num_var
89
90	INTEGER, DIMENSION(4) :: id_dims_loc
91
92	INTEGER, DIMENSION(0:1,4) :: id_dims
93
94	INTEGER, DIMENSION(0:1,1000) :: id_var, levels
95
96	LOGICAL :: avs_output, compressed, found, iso2d_output, netcdf_output, &
97	netcdf_parallel, netcdf_0, netcdf_1
98
99	REAL :: cpu_start_time, cpu_end_time, dx, simulated_time
100	REAL, DIMENSION(:), ALLOCATABLE :: eta, ho, hu
101	REAL, DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
102	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
103
104	PRINT*, ''
105	PRINT*, ''
106	PRINT, ' combine_plot_fields *'
107
108	!
109	!-- Find out if a coupled run has been carried out
110	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
111	IF ( found ) THEN
112	models = 2
113	PRINT*, ' coupled run'
114	ELSE
115	models = 1
116	PRINT*, ' uncoupled run'
117	ENDIF
118
119	!
120	!-- Find out if a precursor ocean run has been carried out
121	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
122	IF ( found ) THEN
123	model_string = '_O'
124	PRINT*, ' precursor ocean run'
125	ELSE
126	model_string = ''
127	ENDIF
128
129	!
130	!-- Do everything for each model
131	DO model = 1, models
132	!
133	!-- Set the model string used to identify the filenames
134	IF ( models == 2 ) THEN
135	PRINT*, ''
136	PRINT, ' combine_plot_fields *'
137	IF ( model == 2 ) THEN
138	model_string = '_O'
139	PRINT*, ' now combining ocean data'
140	PRINT*, ' ========================'
141	ELSE
142	PRINT*, ' now combining atmosphere data'
143	PRINT*, ' ============================='
144	ENDIF
145	ENDIF
146	!
147	!-- 2D-arrays for ISO2D
148	!-- Main loop for the three different cross-sections, starting with
149	!-- xy-section
150	modus = 'XY'
151	PRINT*, ''
152	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
153	!
154	!-- Take current time
155	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
156	CALL SYSTEM_CLOCK( count, count_rate )
157	cpu_start_time = REAL( count ) / REAL( count_rate )
158	#elif defined( __ibm )
159	cpu_start_time = IRTC( ) * 1E-9
160	#else
161	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
162	#endif
163
164	netcdf_parallel = .FALSE.
165	!
166	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
167	!-- create any output for this cross-section.
168	danz = 0
169	WRITE (id_string,'(I4.4)') danz
170	INQUIRE ( &
171	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
172	EXIST=found )
173	!
174	!-- Find out the number of files (equal to the number of PEs which
175	!-- have been used in PALM) and open them
176	DO WHILE ( found )
177
178	OPEN ( danz+110, &
179	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
180	FORM='UNFORMATTED' )
181	danz = danz + 1
182	WRITE (id_string,'(I4.4)') danz
183	INQUIRE ( &
184	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
185	EXIST=found )
186
187	ENDDO
188
189	!
190	!-- Inquire whether an iso2d parameter file exists
191	INQUIRE( FILE='PLOT2D_'//modus//'_GLOBAL'//TRIM( model_string ), &
192	EXIST=iso2d_output )
193
194	!
195	!-- Inquire whether a NetCDF file exists
196	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
197	EXIST=netcdf_0 )
198
199	!
200	!-- Inquire whether a NetCDF file for time-averaged data exists
201	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
202	EXIST=netcdf_1 )
203
204	IF ( netcdf_0 .OR. netcdf_1 ) THEN
205	netcdf_output = .TRUE.
206	!
207	!-- Inquire whether the NetCDF file is already complete (parallel
208	!-- output)
209	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
210	EXIST=netcdf_parallel )
211	IF ( netcdf_parallel ) THEN
212	netcdf_parallel = .TRUE.
213	ELSE
214	netcdf_parallel = .FALSE.
215	ENDIF
216	ELSE
217	netcdf_output = .FALSE.
218	ENDIF
219
220	!
221	!-- Info-output
222	PRINT*, ''
223	PRINT, ' combine_plot_fields *'
224	#if defined( __netcdf )
225	IF ( netcdf_output ) THEN
226	IF ( netcdf_parallel ) THEN
227	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
228	'(NetCDF4-format) - merging not neccessary'
229	ELSE
230	PRINT*, ' NetCDF output enabled'
231	ENDIF
232	ENDIF
233	#else
234	IF ( netcdf_output ) THEN
235	PRINT*, '--- Sorry, no NetCDF support on this host'
236	netcdf_output = .FALSE.
237	ENDIF
238	#endif
239	IF ( .NOT. netcdf_parallel ) THEN
240	IF ( danz /= 0 ) THEN
241	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
242	ELSE
243	PRINT*, ' no ', modus, '-section data available'
244	ENDIF
245	ENDIF
246
247	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
248	THEN
249	#if defined( __netcdf )
250	DO av = 0, 1
251
252	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
253	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
254
255	!
256	!-- Open NetCDF dataset
257	IF ( av == 0 ) THEN
258	filename = 'DATA_2D_'//modus//'_NETCDF' &
259	//TRIM( model_string )
260	ELSE
261	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
262	//TRIM( model_string )
263	ENDIF
264	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
265	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
266
267	!
268	!-- Get the list of variables (order of variables corresponds with
269	!-- the order of data on the binary file)
270	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
271	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
272	var_list(av) )
273	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
274
275	!
276	!-- Inquire id of the time coordinate variable
277	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
278	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
279
280	!
281	!-- Count number of variables; there is one more semicolon in the
282	!-- string than variable names
283	num_var(av) = -1
284	DO i = 1, LEN( var_list(av) )
285	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
286	ENDDO
287
288	!
289	!-- Extract the variable names from the list and inquire their
290	!-- NetCDF IDs
291	pos = INDEX( var_list(av), ';' )
292	!
293	!-- Loop over all variables
294	DO i = 1, num_var(av)
295
296	!
297	!-- Extract variable name from list
298	var_list(av) = var_list(av)(pos+1:)
299	pos = INDEX( var_list(av), ';' )
300	var_name = var_list(av)(1:pos-1)
301
302	!
303	!-- Get variable ID from name
304	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
305	id_var(av,i) )
306	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
307
308	!
309	!-- Get number of x/y/z levels for that variable
310	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
311	dimids = id_dims_loc )
312	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
313	id_dims(av,:) = id_dims_loc
314
315	!
316	!-- Inquire dimension ID
317	DO j = 1, 4
318	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
319	id_dims(av,j), dimname, levels(av,i) )
320	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
321
322	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
323	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
324	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
325	ENDDO
326
327	ENDDO
328
329	ENDDO ! av = 0, 1
330
331	#endif
332	ENDIF
333
334	!
335	!-- Read the arrays, as long as the end of the file is reached
336	IF ( .NOT. netcdf_parallel ) THEN
337
338	fanz = 0
339	current_level = 1
340	current_var = 999999999
341
342	DO WHILE ( danz /= 0 )
343
344	!
345	!-- Loop over all files (reading data of the subdomains)
346	DO id = 0, danz-1
347	!
348	!-- File from PE0 contains special information at the beginning,
349	!-- concerning the lower and upper indices of the total-domain
350	!-- used in PALM (nxag, nxeg, nyag, nyeg) and the lower and
351	!-- upper indices of the array to be writte by this routine
352	!-- (nxa, nxe, nya, nye). Usually in the horizontal directions
353	!-- nxag=-1 and nxa=0 while all other variables have the same
354	!-- value (i.e. nxeg=nxe).
355	!-- Allocate necessary arrays, open the output file and write
356	!-- the coordinate informations needed by ISO2D.
357	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
358	READ ( id+110 ) nxag, nxeg, nyag, nyeg
359	READ ( id+110 ) nxa, nxe, nya, nye
360	ALLOCATE ( eta(nya:nye), ho(nxa:nxe), hu(nxa:nxe), &
361	pf(nxag:nxeg,nyag:nyeg) )
362	READ ( id+110 ) dx, eta, hu, ho
363
364	IF ( iso2d_output ) THEN
365	OPEN ( 2, FILE='PLOT2D_'//modus//TRIM( model_string ),&
366	FORM='UNFORMATTED' )
367	WRITE ( 2 ) dx, eta, hu, ho
368	ENDIF
369	ENDIF
370	!
371	!-- Read output time
372	IF ( netcdf_output .AND. id == 0 ) THEN
373	IF ( netcdf_1 ) THEN
374	READ ( id+110, END=998 ) simulated_time, time_step, av
375	ELSE
376	!
377	!-- For compatibility with earlier PALM versions
378	READ ( id+110, END=998 ) simulated_time, time_step
379	av = 0
380	ENDIF
381	ENDIF
382	!
383	!-- Read subdomain indices
384	READ ( id+110, END=998 ) xa, xe, ya, ye
385	!
386	!-- IF the PE made no output (in case that no part of the
387	!-- cross-section is situated on this PE), indices have the
388	!-- value -1
389	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
390	ya == -1 .AND. ye == -1 ) ) THEN
391	!
392	!-- Read the subdomain grid-point values
393	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
394	READ ( id+110 ) pf_tmp
395	pf(xa:xe,ya:ye) = pf_tmp
396	DEALLOCATE( pf_tmp )
397	ENDIF
398	IF ( id == 0 ) fanz(av) = fanz(av) + 1
399
400	ENDDO
401	!
402	!-- Write the data of the total domain cross-section
403	IF ( iso2d_output ) WRITE ( 2 ) pf(nxa:nxe,nya:nye)
404
405	!
406	!-- Write same data in NetCDF format
407	IF ( netcdf_output ) THEN
408	#if defined( __netcdf )
409	!
410	!-- Check if a new time step has begun; if yes write data to
411	!-- time axis
412	IF ( current_var(av) > num_var(av) ) THEN
413	current_var(av) = 1
414	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
415	(/ simulated_time /), &
416	start = (/ time_step /), &
417	count = (/ 1 /) )
418	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
419	ENDIF
420
421	!
422	!-- Now write the data; this is mode dependent
423	SELECT CASE ( modus )
424
425	CASE ( 'XY' )
426	nc_stat = NF90_PUT_VAR( id_set(av), &
427	id_var(av,current_var(av)), &
428	pf(nxa:nxe,nya:nye), &
429	start = (/ 1, 1, current_level(av), time_step /), &
430	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
431	IF ( nc_stat /= NF90_NOERR ) THEN
432	CALL handle_netcdf_error( 8 )
433	ENDIF
434
435	CASE ( 'XZ' )
436	nc_stat = NF90_PUT_VAR( id_set(av), &
437	id_var(av,current_var(av)), &
438	pf(nxa:nxe,nya:nye), &
439	start = (/ 1, current_level(av), 1, time_step /), &
440	count = (/ nxe-nxa+1, 1, nye-nya+1, 1 /) )
441	IF ( nc_stat /= NF90_NOERR ) THEN
442	CALL handle_netcdf_error( 9 )
443	ENDIF
444
445	CASE ( 'YZ' )
446	nc_stat = NF90_PUT_VAR( id_set(av), &
447	id_var(av,current_var(av)), &
448	pf(nxa:nxe,nya:nye), &
449	start = (/ current_level(av), 1, 1, time_step /), &
450	count = (/ 1, nxe-nxa+1, nye-nya+1, 1 /) )
451	IF ( nc_stat /= NF90_NOERR ) THEN
452	CALL handle_netcdf_error( 10 )
453	ENDIF
454
455	END SELECT
456
457	!
458	!-- Data is written, check if max level is reached
459	current_level(av) = current_level(av) + 1
460	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
461	current_level(av) = 1
462	current_var(av) = current_var(av) + 1
463	ENDIF
464
465	#endif
466	ENDIF
467
468	ENDDO
469
470	ENDIF
471
472	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
473	!
474	!-- Print the number of the arrays processed
475	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
476	IF ( fanz(1) /= 0 ) THEN
477	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
478	ENDIF
479
480	!
481	!-- Close all files and deallocate arrays
482	DO id = 0, danz-1
483	CLOSE ( id+110 )
484	ENDDO
485	CLOSE ( 2 )
486	DEALLOCATE ( eta, ho, hu, pf )
487
488	!
489	!-- Close the NetCDF file
490	IF ( netcdf_output ) THEN
491	#if defined( __netcdf )
492	IF ( netcdf_0 ) THEN
493	nc_stat = NF90_CLOSE( id_set(0) )
494	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
495	ENDIF
496	IF ( netcdf_1 ) THEN
497	nc_stat = NF90_CLOSE( id_set(1) )
498	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
499	ENDIF
500	#endif
501	ENDIF
502	ENDIF
503
504	!
505	!-- Output required cpu time
506	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
507	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
508	CALL SYSTEM_CLOCK( count, count_rate )
509	cpu_end_time = REAL( count ) / REAL( count_rate )
510	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
511	cpu_end_time-cpu_start_time, ' sec'
512	#elif defined( __ibm )
513	cpu_end_time = IRTC( ) * 1E-9
514	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
515	cpu_end_time-cpu_start_time, ' sec'
516	#else
517	CONTINUE
518	#endif
519	ENDIF
520
521	!
522	!-- Choose the next cross-section
523	SELECT CASE ( modus )
524	CASE ( 'XY' )
525	modus = 'XZ'
526	CASE ( 'XZ' )
527	modus = 'YZ'
528	CASE ( 'YZ' )
529	modus = 'no'
530	END SELECT
531
532	ENDDO
533
534
535	!
536	!-- Combine the 3D-arrays
537	netcdf_parallel = .FALSE.
538
539	!
540	!-- Info-output
541	PRINT*, ' '
542	PRINT, ' combine_plot_fields *'
543
544	!
545	!-- Take current time
546	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
547	CALL SYSTEM_CLOCK( count, count_rate )
548	cpu_start_time = REAL( count ) / REAL( count_rate )
549	#elif defined( __ibm )
550	cpu_start_time = IRTC( ) * 1E-9
551	#else
552	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
553	#endif
554
555	!
556	!-- Inquire whether an avs fld file exists
557	INQUIRE( FILE='PLOT3D_FLD'//TRIM( model_string ), EXIST=avs_output )
558
559	!
560	!-- Inquire whether a NetCDF file exists
561	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
562
563	!
564	!-- Inquire whether a NetCDF file for time-averaged data exists
565	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
566
567	IF ( netcdf_0 .OR. netcdf_1 ) THEN
568	netcdf_output = .TRUE.
569	!
570	!-- Inquire whether the NetCDF file is already complete (parallel output)
571	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
572	IF ( netcdf_parallel ) THEN
573	netcdf_parallel = .TRUE.
574	ELSE
575	netcdf_parallel = .FALSE.
576	ENDIF
577	ELSE
578	netcdf_output = .FALSE.
579	ENDIF
580
581	!
582	!-- Check, if file from PE0 exists; not neccessary in case of parallel
583	!-- PALM output
584	IF ( .NOT. netcdf_parallel ) THEN
585	danz = 0
586	WRITE (id_string,'(I4.4)') danz
587	INQUIRE ( &
588	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
589	EXIST=found )
590	ELSE
591	found = .FALSE.
592	ENDIF
593
594	!
595	!-- Combination only works, if data are not compressed. In that case,
596	!-- PALM created a flag file (PLOT3D_COMPRESSED)
597	INQUIRE ( FILE='PLOT3D_COMPRESSED'//TRIM( model_string ), &
598	EXIST=compressed )
599
600	!
601	!-- Find out the number of files and open them
602	DO WHILE ( found .AND. .NOT. compressed )
603
604	OPEN ( danz+110, &
605	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
606	FORM='UNFORMATTED')
607	danz = danz + 1
608	WRITE (id_string,'(I4.4)') danz
609	INQUIRE ( &
610	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
611	EXIST=found )
612
613	ENDDO
614
615	#if defined( __netcdf )
616	IF ( netcdf_output ) THEN
617	IF ( netcdf_parallel ) THEN
618	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
619	' - merging not neccessary'
620	ELSE
621	PRINT*, ' NetCDF output enabled'
622	ENDIF
623	ENDIF
624	#else
625	IF ( netcdf_output ) THEN
626	PRINT*, '--- Sorry, no NetCDF support on this host'
627	netcdf_output = .FALSE.
628	ENDIF
629	#endif
630	IF ( .NOT. netcdf_parallel ) THEN
631	IF ( danz /= 0 ) THEN
632	PRINT*, ' 3D-data: ', danz, ' file(s) found'
633	ELSE
634	IF ( found .AND. compressed ) THEN
635	PRINT*, '+++ no 3D-data processing, since data are compressed'
636	ELSE
637	PRINT*, ' no 3D-data file available'
638	ENDIF
639	ENDIF
640	ENDIF
641
642	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
643	#if defined( __netcdf )
644	DO av = 0, 1
645
646	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
647	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
648
649	!
650	!-- Open NetCDF dataset
651	IF ( av == 0 ) THEN
652	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
653	ELSE
654	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
655	ENDIF
656	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
657	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
658
659
660	!
661	!-- Get the list of variables (order of variables corresponds with the
662	!-- order of data on the binary file)
663	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
664	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
665	var_list(av) )
666	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
667
668	!
669	!-- Inquire id of the time coordinate variable
670	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
671	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
672
673	!
674	!-- Count number of variables; there is one more semicolon in the
675	!-- string than variable names
676	num_var(av) = -1
677	DO i = 1, LEN( var_list(av) )
678	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
679	ENDDO
680
681	!
682	!-- Extract the variable names from the list and inquire their NetCDF
683	!-- IDs
684	pos = INDEX( var_list(av), ';' )
685	!
686	!-- Loop over all variables
687	DO i = 1, num_var(av)
688
689	!
690	!-- Extract variable name from list
691	var_list(av) = var_list(av)(pos+1:)
692	pos = INDEX( var_list(av), ';' )
693	var_name = var_list(av)(1:pos-1)
694
695	!
696	!-- Get variable ID from name
697	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
698	id_var(av,i) )
699	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
700
701	ENDDO
702
703	ENDDO ! av=0,1
704
705	#endif
706	ENDIF
707
708	!
709	!-- Read arrays, until the end of the file is reached
710	IF ( .NOT. netcdf_parallel ) THEN
711
712	current_var = 999999999
713	fanz = 0
714	DO WHILE ( danz /= 0 )
715
716	!
717	!-- Loop over all files
718	DO id = 0, danz-1
719	!
720	!-- File from PE0 contains special information at the beginning,
721	!-- concerning the lower and upper indices of the total-domain used
722	!-- in PALM (nxag, nxeg, nyag, nyeg, nzag, nzeg) and the lower and
723	!-- upper indices of the array to be written by this routine (nxa,
724	!-- nxe, nya, nye, nza, nze). Usually nxag=-1 and nxa=0, nyag=-1
725	!-- and nya=0, nzeg=nz and nze=nz_plot3d.
726	!-- Allocate necessary array and open the output file.
727	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
728	READ ( id+110 ) nxag, nxeg, nyag, nyeg, nzag, nzeg
729	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
730	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
731	IF ( avs_output ) THEN
732	OPEN ( 2, FILE='PLOT3D_DATA'//TRIM( model_string ), &
733	FORM='UNFORMATTED' )
734	ENDIF
735	ENDIF
736
737	!
738	!-- Read output time
739	IF ( netcdf_output .AND. id == 0 ) THEN
740	IF ( netcdf_1 ) THEN
741	READ ( id+110, END=999 ) simulated_time, time_step, av
742	ELSE
743	!
744	!-- For compatibility with earlier PALM versions
745	READ ( id+110, END=999 ) simulated_time, time_step
746	av = 0
747	ENDIF
748	ENDIF
749
750	!
751	!-- Read subdomain indices and grid point values
752	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
753	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
754	READ ( id+110 ) pf3d_tmp
755
756	xxa = MAX( nxa, xa )
757	xxe = MIN( nxe, xe )
758	yya = MAX( nya, ya )
759	yye = MIN( nye, ye )
760	zza = MAX( nza, za )
761	zze = MIN( nze, ze )
762	DO k = zza, zze
763	DO j = yya, yye
764	DO i = xxa, xxe
765	pf3d(i,j,k) = pf3d_tmp(i,j,k)
766	ENDDO
767	ENDDO
768	ENDDO
769
770	DEALLOCATE( pf3d_tmp )
771	IF ( id == 0 ) fanz(av) = fanz(av) + 1
772
773	ENDDO
774
775	!
776	!-- Write data of the total domain
777	IF ( avs_output ) WRITE ( 2 ) pf3d(nxa:nxe,nya:nye,nza:nze)
778
779	!
780	!-- Write same data in NetCDF format
781	IF ( netcdf_output ) THEN
782	#if defined( __netcdf )
783	!
784	!-- Check if a new time step has begun; if yes write data to time
785	!-- axis
786	IF ( current_var(av) > num_var(av) ) THEN
787	current_var(av) = 1
788	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
789	(/ simulated_time /),&
790	start = (/ time_step /), count = (/ 1 /) )
791	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
792	ENDIF
793
794	!
795	!-- Now write the data
796	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
797	pf3d, start = (/ 1, 1, 1, time_step /),&
798	count = (/ nxe-nxa+1, nye-nya+1, nze-nza+1, 1 /) )
799	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
800
801	current_var(av) = current_var(av) + 1
802
803	#endif
804	ENDIF
805
806	ENDDO
807
808	ENDIF
809
810	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
811	!
812	!-- Print the number of arrays processed
813	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
814	IF ( fanz(1) /= 0 ) THEN
815	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
816	ENDIF
817	!
818	!-- Close all files and deallocate array
819	DO id = 0, danz-1
820	CLOSE ( id+110 )
821	ENDDO
822	CLOSE ( 2 )
823	DEALLOCATE ( pf3d )
824	!
825	!-- Close the NetCDF file
826	IF ( netcdf_output ) THEN
827	#if defined( __netcdf )
828	IF ( netcdf_0 ) THEN
829	nc_stat = NF90_CLOSE( id_set(0) )
830	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
831	ENDIF
832	IF ( netcdf_1 ) THEN
833	nc_stat = NF90_CLOSE( id_set(1) )
834	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
835	ENDIF
836	#endif
837	ENDIF
838
839	!
840	!-- Output required cpu time
841	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
842	CALL SYSTEM_CLOCK( count, count_rate )
843	cpu_end_time = REAL( count ) / REAL( count_rate )
844	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
845	cpu_end_time-cpu_start_time, ' sec'
846	#elif defined( __ibm )
847	cpu_end_time = IRTC( ) * 1E-9
848	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
849	cpu_end_time-cpu_start_time, ' sec'
850	#endif
851
852	ENDIF
853
854	ENDDO ! models
855
856
857	CONTAINS
858
859
860	SUBROUTINE handle_netcdf_error( errno )
861	!
862	!-- Prints out a text message corresponding to the current NetCDF status
863
864	IMPLICIT NONE
865
866	INTEGER, INTENT(IN) :: errno
867
868	#if defined( __netcdf )
869	IF ( nc_stat /= NF90_NOERR ) THEN
870	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
871	TRIM( nf90_strerror( nc_stat ) )
872	ENDIF
873	#endif
874
875	END SUBROUTINE handle_netcdf_error
876
877
878	END PROGRAM combine_plot_fields
879
880
881

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