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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 594

Last change on this file since 594 was 494, checked in by raasch, 15 years ago
last commit documented; configuration example file for netcdf4 added
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1	PROGRAM combine_plot_fields
2
3	!------------------------------------------------------------------------------!
4	! Actual revisions:
5	! -----------------
6	!
7	!
8	! Former revisions:
9	! -----------------
10	! $Id: combine_plot_fields.f90 494 2010-03-01 12:23:32Z heinze $
11	!
12	! 493 2010-03-01 08:30:24Z raasch
13	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
14	! cpu measurements included
15	!
16	! 210 2008-11-06 08:54:02Z raasch
17	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
18	! all three dimensions), because output of a subset of the data
19	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
20	! with the INTEL compiler.
21	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
22	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
23	! Bugfix: three misplaced #endif directives
24	!
25	! 114 2007-10-10 00:03:15Z raasch
26	! Bugfix: model_string needed a default value
27	!
28	! Aug 07 Loop for processing of output by coupled runs, id_string does not
29	! contain modus any longer
30	!
31	! 18/01/06 Output of time-averaged data
32	!
33	! 25/05/05 Errors removed
34	!
35	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
36	! file exists
37	!
38	! 31/10/01 All comments and messages translated into English
39	!
40	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
41	! Ursprungsversion vom 28/07/97
42	!
43	!
44	! Description:
45	! ------------
46	! This routine combines data of the PALM-subdomains into one file. In PALM
47	! every processor element opens its own file and writes 2D- or 3D-binary-data
48	! into it (different files are opened for xy-, xz-, yz-cross-sections and
49	! 3D-data). For plotting or analyzing these PE-data have to be collected and
50	! to be put into single files, which is done by this routine.
51	! Output format is NetCDF. Additionally, a data are output in a binary format
52	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
53	!------------------------------------------------------------------------------!
54
55	#if defined( __netcdf )
56	USE netcdf
57	#endif
58
59	IMPLICIT NONE
60
61	!
62	!-- Local variables
63	CHARACTER (LEN=2) :: modus, model_string
64	CHARACTER (LEN=4) :: id_string
65	CHARACTER (LEN=10) :: dimname, var_name
66	CHARACTER (LEN=40) :: filename
67
68	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
69
70	INTEGER, PARAMETER :: spk = SELECTED_REAL_KIND( 6 )
71
72	INTEGER :: av, danz, i, id, &
73	j, k, model, models, nc_stat, nxa, nxag, nxe, nxeg, nya, &
74	nyag, nye, nyeg, nza, nzag, nze, nzeg, pos, time_step, xa, xe, &
75	xxa, xxe, ya, ye, yya, yye, za, ze, zza, zze
76
77	#if defined( __lc ) \|\| defined( __decalpha )
78	INTEGER(8) :: count, count_rate
79	#elif defined( __nec )
80	INTEGER :: count, count_rate
81	#elif defined( __ibm )
82	INTEGER(8) :: IRTC
83	#endif
84
85	INTEGER, DIMENSION(0:1) :: current_level, current_var, fanz, id_set, &
86	id_var_time, num_var
87
88	INTEGER, DIMENSION(4) :: id_dims_loc
89
90	INTEGER, DIMENSION(0:1,4) :: id_dims
91
92	INTEGER, DIMENSION(0:1,1000) :: id_var, levels
93
94	LOGICAL :: avs_output, compressed, found, iso2d_output, netcdf_output, &
95	netcdf_parallel, netcdf_0, netcdf_1
96
97	REAL :: cpu_start_time, cpu_end_time, dx, simulated_time
98	REAL, DIMENSION(:), ALLOCATABLE :: eta, ho, hu
99	REAL, DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
100	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
101
102	PRINT*, ''
103	PRINT*, ''
104	PRINT, ' combine_plot_fields *'
105
106	!
107	!-- Find out if a coupled run has been carried out
108	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
109	IF ( found ) THEN
110	models = 2
111	PRINT*, ' coupled run'
112	ELSE
113	models = 1
114	PRINT*, ' uncoupled run'
115	ENDIF
116
117	!
118	!-- Do everything for each model
119	DO model = 1, models
120	!
121	!-- Set the model string used to identify the filenames
122	model_string = ''
123	IF ( models == 2 ) THEN
124	PRINT*, ''
125	PRINT, ' combine_plot_fields *'
126	IF ( model == 2 ) THEN
127	model_string = '_O'
128	PRINT*, ' now combining ocean data'
129	PRINT*, ' ========================'
130	ELSE
131	PRINT*, ' now combining atmosphere data'
132	PRINT*, ' ============================='
133	ENDIF
134	ENDIF
135	!
136	!-- 2D-arrays for ISO2D
137	!-- Main loop for the three different cross-sections, starting with
138	!-- xy-section
139	modus = 'XY'
140	PRINT*, ''
141	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
142	!
143	!-- Take current time
144	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
145	CALL SYSTEM_CLOCK( count, count_rate )
146	cpu_start_time = REAL( count ) / REAL( count_rate )
147	#elif defined( __ibm )
148	cpu_start_time = IRTC( ) * 1E-9
149	#else
150	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
151	#endif
152
153	netcdf_parallel = .FALSE.
154	!
155	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
156	!-- create any output for this cross-section.
157	danz = 0
158	WRITE (id_string,'(I4.4)') danz
159	INQUIRE ( &
160	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
161	EXIST=found )
162	!
163	!-- Find out the number of files (equal to the number of PEs which
164	!-- have been used in PALM) and open them
165	DO WHILE ( found )
166
167	OPEN ( danz+110, &
168	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
169	FORM='UNFORMATTED' )
170	danz = danz + 1
171	WRITE (id_string,'(I4.4)') danz
172	INQUIRE ( &
173	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
174	EXIST=found )
175
176	ENDDO
177
178	!
179	!-- Inquire whether an iso2d parameter file exists
180	INQUIRE( FILE='PLOT2D_'//modus//'_GLOBAL'//TRIM( model_string ), &
181	EXIST=iso2d_output )
182
183	!
184	!-- Inquire whether a NetCDF file exists
185	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
186	EXIST=netcdf_0 )
187
188	!
189	!-- Inquire whether a NetCDF file for time-averaged data exists
190	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
191	EXIST=netcdf_1 )
192
193	IF ( netcdf_0 .OR. netcdf_1 ) THEN
194	netcdf_output = .TRUE.
195	!
196	!-- Inquire whether the NetCDF file is already complete (parallel
197	!-- output)
198	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
199	EXIST=netcdf_parallel )
200	IF ( netcdf_parallel ) THEN
201	netcdf_parallel = .TRUE.
202	ELSE
203	netcdf_parallel = .FALSE.
204	ENDIF
205	ELSE
206	netcdf_output = .FALSE.
207	ENDIF
208
209	!
210	!-- Info-output
211	PRINT*, ''
212	PRINT, ' combine_plot_fields *'
213	#if defined( __netcdf )
214	IF ( netcdf_output ) THEN
215	IF ( netcdf_parallel ) THEN
216	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
217	'(NetCDF4-format) - merging not neccessary'
218	ELSE
219	PRINT*, ' NetCDF output enabled'
220	ENDIF
221	ENDIF
222	#else
223	IF ( netcdf_output ) THEN
224	PRINT*, '--- Sorry, no NetCDF support on this host'
225	netcdf_output = .FALSE.
226	ENDIF
227	#endif
228	IF ( .NOT. netcdf_parallel ) THEN
229	IF ( danz /= 0 ) THEN
230	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
231	ELSE
232	PRINT*, ' no ', modus, '-section data available'
233	ENDIF
234	ENDIF
235
236	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
237	THEN
238	#if defined( __netcdf )
239	DO av = 0, 1
240
241	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
242	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
243
244	!
245	!-- Open NetCDF dataset
246	IF ( av == 0 ) THEN
247	filename = 'DATA_2D_'//modus//'_NETCDF' &
248	//TRIM( model_string )
249	ELSE
250	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
251	//TRIM( model_string )
252	ENDIF
253	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
254	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
255
256	!
257	!-- Get the list of variables (order of variables corresponds with
258	!-- the order of data on the binary file)
259	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
260	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
261	var_list(av) )
262	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
263
264	!
265	!-- Inquire id of the time coordinate variable
266	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
267	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
268
269	!
270	!-- Count number of variables; there is one more semicolon in the
271	!-- string than variable names
272	num_var(av) = -1
273	DO i = 1, LEN( var_list(av) )
274	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
275	ENDDO
276
277	!
278	!-- Extract the variable names from the list and inquire their
279	!-- NetCDF IDs
280	pos = INDEX( var_list(av), ';' )
281	!
282	!-- Loop over all variables
283	DO i = 1, num_var(av)
284
285	!
286	!-- Extract variable name from list
287	var_list(av) = var_list(av)(pos+1:)
288	pos = INDEX( var_list(av), ';' )
289	var_name = var_list(av)(1:pos-1)
290
291	!
292	!-- Get variable ID from name
293	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
294	id_var(av,i) )
295	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
296
297	!
298	!-- Get number of x/y/z levels for that variable
299	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
300	dimids = id_dims_loc )
301	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
302	id_dims(av,:) = id_dims_loc
303
304	!
305	!-- Inquire dimension ID
306	DO j = 1, 4
307	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
308	id_dims(av,j), dimname, levels(av,i) )
309	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
310
311	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
312	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
313	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
314	ENDDO
315
316	ENDDO
317
318	ENDDO ! av = 0, 1
319
320	#endif
321	ENDIF
322
323	!
324	!-- Read the arrays, as long as the end of the file is reached
325	IF ( .NOT. netcdf_parallel ) THEN
326
327	fanz = 0
328	current_level = 1
329	current_var = 999999999
330
331	DO WHILE ( danz /= 0 )
332
333	!
334	!-- Loop over all files (reading data of the subdomains)
335	DO id = 0, danz-1
336	!
337	!-- File from PE0 contains special information at the beginning,
338	!-- concerning the lower and upper indices of the total-domain
339	!-- used in PALM (nxag, nxeg, nyag, nyeg) and the lower and
340	!-- upper indices of the array to be writte by this routine
341	!-- (nxa, nxe, nya, nye). Usually in the horizontal directions
342	!-- nxag=-1 and nxa=0 while all other variables have the same
343	!-- value (i.e. nxeg=nxe).
344	!-- Allocate necessary arrays, open the output file and write
345	!-- the coordinate informations needed by ISO2D.
346	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
347	READ ( id+110 ) nxag, nxeg, nyag, nyeg
348	READ ( id+110 ) nxa, nxe, nya, nye
349	ALLOCATE ( eta(nya:nye), ho(nxa:nxe), hu(nxa:nxe), &
350	pf(nxag:nxeg,nyag:nyeg) )
351	READ ( id+110 ) dx, eta, hu, ho
352
353	IF ( iso2d_output ) THEN
354	OPEN ( 2, FILE='PLOT2D_'//modus//TRIM( model_string ),&
355	FORM='UNFORMATTED' )
356	WRITE ( 2 ) dx, eta, hu, ho
357	ENDIF
358	ENDIF
359	!
360	!-- Read output time
361	IF ( netcdf_output .AND. id == 0 ) THEN
362	IF ( netcdf_1 ) THEN
363	READ ( id+110, END=998 ) simulated_time, time_step, av
364	ELSE
365	!
366	!-- For compatibility with earlier PALM versions
367	READ ( id+110, END=998 ) simulated_time, time_step
368	av = 0
369	ENDIF
370	ENDIF
371	!
372	!-- Read subdomain indices
373	READ ( id+110, END=998 ) xa, xe, ya, ye
374	!
375	!-- IF the PE made no output (in case that no part of the
376	!-- cross-section is situated on this PE), indices have the
377	!-- value -1
378	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
379	ya == -1 .AND. ye == -1 ) ) THEN
380	!
381	!-- Read the subdomain grid-point values
382	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
383	READ ( id+110 ) pf_tmp
384	pf(xa:xe,ya:ye) = pf_tmp
385	DEALLOCATE( pf_tmp )
386	ENDIF
387	IF ( id == 0 ) fanz(av) = fanz(av) + 1
388
389	ENDDO
390	!
391	!-- Write the data of the total domain cross-section
392	IF ( iso2d_output ) WRITE ( 2 ) pf(nxa:nxe,nya:nye)
393
394	!
395	!-- Write same data in NetCDF format
396	IF ( netcdf_output ) THEN
397	#if defined( __netcdf )
398	!
399	!-- Check if a new time step has begun; if yes write data to
400	!-- time axis
401	IF ( current_var(av) > num_var(av) ) THEN
402	current_var(av) = 1
403	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
404	(/ simulated_time /), &
405	start = (/ time_step /), &
406	count = (/ 1 /) )
407	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
408	ENDIF
409
410	!
411	!-- Now write the data; this is mode dependent
412	SELECT CASE ( modus )
413
414	CASE ( 'XY' )
415	nc_stat = NF90_PUT_VAR( id_set(av), &
416	id_var(av,current_var(av)), &
417	pf(nxa:nxe,nya:nye), &
418	start = (/ 1, 1, current_level(av), time_step /), &
419	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
420	IF ( nc_stat /= NF90_NOERR ) THEN
421	CALL handle_netcdf_error( 8 )
422	ENDIF
423
424	CASE ( 'XZ' )
425	nc_stat = NF90_PUT_VAR( id_set(av), &
426	id_var(av,current_var(av)), &
427	pf(nxa:nxe,nya:nye), &
428	start = (/ 1, current_level(av), 1, time_step /), &
429	count = (/ nxe-nxa+1, 1, nye-nya+1, 1 /) )
430	IF ( nc_stat /= NF90_NOERR ) THEN
431	CALL handle_netcdf_error( 9 )
432	ENDIF
433
434	CASE ( 'YZ' )
435	nc_stat = NF90_PUT_VAR( id_set(av), &
436	id_var(av,current_var(av)), &
437	pf(nxa:nxe,nya:nye), &
438	start = (/ current_level(av), 1, 1, time_step /), &
439	count = (/ 1, nxe-nxa+1, nye-nya+1, 1 /) )
440	IF ( nc_stat /= NF90_NOERR ) THEN
441	CALL handle_netcdf_error( 10 )
442	ENDIF
443
444	END SELECT
445
446	!
447	!-- Data is written, check if max level is reached
448	current_level(av) = current_level(av) + 1
449	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
450	current_level(av) = 1
451	current_var(av) = current_var(av) + 1
452	ENDIF
453
454	#endif
455	ENDIF
456
457	ENDDO
458
459	ENDIF
460
461	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
462	!
463	!-- Print the number of the arrays processed
464	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
465	IF ( fanz(1) /= 0 ) THEN
466	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
467	ENDIF
468
469	!
470	!-- Close all files and deallocate arrays
471	DO id = 0, danz-1
472	CLOSE ( id+110 )
473	ENDDO
474	CLOSE ( 2 )
475	DEALLOCATE ( eta, ho, hu, pf )
476
477	!
478	!-- Close the NetCDF file
479	IF ( netcdf_output ) THEN
480	#if defined( __netcdf )
481	IF ( netcdf_0 ) THEN
482	nc_stat = NF90_CLOSE( id_set(0) )
483	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
484	ENDIF
485	IF ( netcdf_1 ) THEN
486	nc_stat = NF90_CLOSE( id_set(1) )
487	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
488	ENDIF
489	#endif
490	ENDIF
491	ENDIF
492
493	!
494	!-- Output required cpu time
495	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
496	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
497	CALL SYSTEM_CLOCK( count, count_rate )
498	cpu_end_time = REAL( count ) / REAL( count_rate )
499	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
500	cpu_end_time-cpu_start_time, ' sec'
501	#elif defined( __ibm )
502	cpu_end_time = IRTC( ) * 1E-9
503	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
504	cpu_end_time-cpu_start_time, ' sec'
505	#else
506	CONTINUE
507	#endif
508	ENDIF
509
510	!
511	!-- Choose the next cross-section
512	SELECT CASE ( modus )
513	CASE ( 'XY' )
514	modus = 'XZ'
515	CASE ( 'XZ' )
516	modus = 'YZ'
517	CASE ( 'YZ' )
518	modus = 'no'
519	END SELECT
520
521	ENDDO
522
523
524	!
525	!-- Combine the 3D-arrays
526	netcdf_parallel = .FALSE.
527
528	!
529	!-- Info-output
530	PRINT*, ' '
531	PRINT, ' combine_plot_fields *'
532
533	!
534	!-- Take current time
535	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
536	CALL SYSTEM_CLOCK( count, count_rate )
537	cpu_start_time = REAL( count ) / REAL( count_rate )
538	#elif defined( __ibm )
539	cpu_start_time = IRTC( ) * 1E-9
540	#else
541	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
542	#endif
543
544	!
545	!-- Inquire whether an avs fld file exists
546	INQUIRE( FILE='PLOT3D_FLD'//TRIM( model_string ), EXIST=avs_output )
547
548	!
549	!-- Inquire whether a NetCDF file exists
550	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
551
552	!
553	!-- Inquire whether a NetCDF file for time-averaged data exists
554	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
555
556	IF ( netcdf_0 .OR. netcdf_1 ) THEN
557	netcdf_output = .TRUE.
558	!
559	!-- Inquire whether the NetCDF file is already complete (parallel output)
560	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
561	IF ( netcdf_parallel ) THEN
562	netcdf_parallel = .TRUE.
563	ELSE
564	netcdf_parallel = .FALSE.
565	ENDIF
566	ELSE
567	netcdf_output = .FALSE.
568	ENDIF
569
570	!
571	!-- Check, if file from PE0 exists; not neccessary in case of parallel
572	!-- PALM output
573	IF ( .NOT. netcdf_parallel ) THEN
574	danz = 0
575	WRITE (id_string,'(I4.4)') danz
576	INQUIRE ( &
577	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
578	EXIST=found )
579	ELSE
580	found = .FALSE.
581	ENDIF
582
583	!
584	!-- Combination only works, if data are not compressed. In that case,
585	!-- PALM created a flag file (PLOT3D_COMPRESSED)
586	INQUIRE ( FILE='PLOT3D_COMPRESSED'//TRIM( model_string ), &
587	EXIST=compressed )
588
589	!
590	!-- Find out the number of files and open them
591	DO WHILE ( found .AND. .NOT. compressed )
592
593	OPEN ( danz+110, &
594	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
595	FORM='UNFORMATTED')
596	danz = danz + 1
597	WRITE (id_string,'(I4.4)') danz
598	INQUIRE ( &
599	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
600	EXIST=found )
601
602	ENDDO
603
604	#if defined( __netcdf )
605	IF ( netcdf_output ) THEN
606	IF ( netcdf_parallel ) THEN
607	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
608	' - merging not neccessary'
609	ELSE
610	PRINT*, ' NetCDF output enabled'
611	ENDIF
612	ENDIF
613	#else
614	IF ( netcdf_output ) THEN
615	PRINT*, '--- Sorry, no NetCDF support on this host'
616	netcdf_output = .FALSE.
617	ENDIF
618	#endif
619	IF ( .NOT. netcdf_parallel ) THEN
620	IF ( danz /= 0 ) THEN
621	PRINT*, ' 3D-data: ', danz, ' file(s) found'
622	ELSE
623	IF ( found .AND. compressed ) THEN
624	PRINT*, '+++ no 3D-data processing, since data are compressed'
625	ELSE
626	PRINT*, ' no 3D-data file available'
627	ENDIF
628	ENDIF
629	ENDIF
630
631	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
632	#if defined( __netcdf )
633	DO av = 0, 1
634
635	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
636	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
637
638	!
639	!-- Open NetCDF dataset
640	IF ( av == 0 ) THEN
641	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
642	ELSE
643	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
644	ENDIF
645	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
646	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
647
648
649	!
650	!-- Get the list of variables (order of variables corresponds with the
651	!-- order of data on the binary file)
652	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
653	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
654	var_list(av) )
655	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
656
657	!
658	!-- Inquire id of the time coordinate variable
659	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
660	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
661
662	!
663	!-- Count number of variables; there is one more semicolon in the
664	!-- string than variable names
665	num_var(av) = -1
666	DO i = 1, LEN( var_list(av) )
667	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
668	ENDDO
669
670	!
671	!-- Extract the variable names from the list and inquire their NetCDF
672	!-- IDs
673	pos = INDEX( var_list(av), ';' )
674	!
675	!-- Loop over all variables
676	DO i = 1, num_var(av)
677
678	!
679	!-- Extract variable name from list
680	var_list(av) = var_list(av)(pos+1:)
681	pos = INDEX( var_list(av), ';' )
682	var_name = var_list(av)(1:pos-1)
683
684	!
685	!-- Get variable ID from name
686	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
687	id_var(av,i) )
688	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
689
690	ENDDO
691
692	ENDDO ! av=0,1
693
694	#endif
695	ENDIF
696
697	!
698	!-- Read arrays, until the end of the file is reached
699	IF ( .NOT. netcdf_parallel ) THEN
700
701	current_var = 999999999
702	fanz = 0
703	DO WHILE ( danz /= 0 )
704
705	!
706	!-- Loop over all files
707	DO id = 0, danz-1
708	!
709	!-- File from PE0 contains special information at the beginning,
710	!-- concerning the lower and upper indices of the total-domain used
711	!-- in PALM (nxag, nxeg, nyag, nyeg, nzag, nzeg) and the lower and
712	!-- upper indices of the array to be written by this routine (nxa,
713	!-- nxe, nya, nye, nza, nze). Usually nxag=-1 and nxa=0, nyag=-1
714	!-- and nya=0, nzeg=nz and nze=nz_plot3d.
715	!-- Allocate necessary array and open the output file.
716	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
717	READ ( id+110 ) nxag, nxeg, nyag, nyeg, nzag, nzeg
718	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
719	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
720	IF ( avs_output ) THEN
721	OPEN ( 2, FILE='PLOT3D_DATA'//TRIM( model_string ), &
722	FORM='UNFORMATTED' )
723	ENDIF
724	ENDIF
725
726	!
727	!-- Read output time
728	IF ( netcdf_output .AND. id == 0 ) THEN
729	IF ( netcdf_1 ) THEN
730	READ ( id+110, END=999 ) simulated_time, time_step, av
731	ELSE
732	!
733	!-- For compatibility with earlier PALM versions
734	READ ( id+110, END=999 ) simulated_time, time_step
735	av = 0
736	ENDIF
737	ENDIF
738
739	!
740	!-- Read subdomain indices and grid point values
741	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
742	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
743	READ ( id+110 ) pf3d_tmp
744
745	xxa = MAX( nxa, xa )
746	xxe = MIN( nxe, xe )
747	yya = MAX( nya, ya )
748	yye = MIN( nye, ye )
749	zza = MAX( nza, za )
750	zze = MIN( nze, ze )
751	DO k = zza, zze
752	DO j = yya, yye
753	DO i = xxa, xxe
754	pf3d(i,j,k) = pf3d_tmp(i,j,k)
755	ENDDO
756	ENDDO
757	ENDDO
758
759	DEALLOCATE( pf3d_tmp )
760	IF ( id == 0 ) fanz(av) = fanz(av) + 1
761
762	ENDDO
763
764	!
765	!-- Write data of the total domain
766	IF ( avs_output ) WRITE ( 2 ) pf3d(nxa:nxe,nya:nye,nza:nze)
767
768	!
769	!-- Write same data in NetCDF format
770	IF ( netcdf_output ) THEN
771	#if defined( __netcdf )
772	!
773	!-- Check if a new time step has begun; if yes write data to time
774	!-- axis
775	IF ( current_var(av) > num_var(av) ) THEN
776	current_var(av) = 1
777	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
778	(/ simulated_time /),&
779	start = (/ time_step /), count = (/ 1 /) )
780	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
781	ENDIF
782
783	!
784	!-- Now write the data
785	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
786	pf3d, start = (/ 1, 1, 1, time_step /),&
787	count = (/ nxe-nxa+1, nye-nya+1, nze-nza+1, 1 /) )
788	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
789
790	current_var(av) = current_var(av) + 1
791
792	#endif
793	ENDIF
794
795	ENDDO
796
797	ENDIF
798
799	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
800	!
801	!-- Print the number of arrays processed
802	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
803	IF ( fanz(1) /= 0 ) THEN
804	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
805	ENDIF
806	!
807	!-- Close all files and deallocate array
808	DO id = 0, danz-1
809	CLOSE ( id+110 )
810	ENDDO
811	CLOSE ( 2 )
812	DEALLOCATE ( pf3d )
813	!
814	!-- Close the NetCDF file
815	IF ( netcdf_output ) THEN
816	#if defined( __netcdf )
817	IF ( netcdf_0 ) THEN
818	nc_stat = NF90_CLOSE( id_set(0) )
819	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
820	ENDIF
821	IF ( netcdf_1 ) THEN
822	nc_stat = NF90_CLOSE( id_set(1) )
823	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
824	ENDIF
825	#endif
826	ENDIF
827
828	!
829	!-- Output required cpu time
830	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
831	CALL SYSTEM_CLOCK( count, count_rate )
832	cpu_end_time = REAL( count ) / REAL( count_rate )
833	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
834	cpu_end_time-cpu_start_time, ' sec'
835	#elif defined( __ibm )
836	cpu_end_time = IRTC( ) * 1E-9
837	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
838	cpu_end_time-cpu_start_time, ' sec'
839	#endif
840
841	ENDIF
842
843	ENDDO ! models
844
845
846	CONTAINS
847
848
849	SUBROUTINE handle_netcdf_error( errno )
850	!
851	!-- Prints out a text message corresponding to the current NetCDF status
852
853	IMPLICIT NONE
854
855	INTEGER, INTENT(IN) :: errno
856
857	#if defined( __netcdf )
858	IF ( nc_stat /= NF90_NOERR ) THEN
859	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
860	TRIM( nf90_strerror( nc_stat ) )
861	ENDIF
862	#endif
863
864	END SUBROUTINE handle_netcdf_error
865
866
867	END PROGRAM combine_plot_fields
868
869
870

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