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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 1520

Last change on this file since 1520 was 1469, checked in by maronga, 10 years ago
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1	PROGRAM combine_plot_fields
2
3	!------------------------------------------------------------------------------!
4	! This file is part of PALM.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the terms
7	! of the GNU General Public License as published by the Free Software Foundation,
8	! either version 3 of the License, or (at your option) any later version.
9	!
10	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
11	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
12	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
13	!
14	! You should have received a copy of the GNU General Public License along with
15	! PALM. If not, see <http://www.gnu.org/licenses/>.
16	!
17	! Copyright 1997-2014 Leibniz Universitaet Hannover
18	!--------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: combine_plot_fields.f90 1469 2014-09-24 14:09:56Z hoffmann $
27	!
28	! 1468 2014-09-24 14:06:57Z maronga
29	! Adapted for use on up to 6-digit processor cores (not tested)
30	!
31	! 1394 2014-05-06 10:17:31Z keck
32	! KIND-attribute added to all INTEGER and REAL declaration statements
33	!
34	! 1046 2012-11-09 14:38:45Z maronga
35	! code put under GPL (PALM 3.9)
36	!
37	! 691 2011-03-04 08:45:30Z maronga
38	! Bugfix: check for precursor ocean runs, removed typo
39	!
40	! 493 2010-03-01 08:30:24Z raasch
41	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
42	! cpu measurements included
43	!
44	! 210 2008-11-06 08:54:02Z raasch
45	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
46	! all three dimensions), because output of a subset of the data
47	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
48	! with the INTEL compiler.
49	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
50	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
51	! Bugfix: three misplaced #endif directives
52	!
53	! 114 2007-10-10 00:03:15Z raasch
54	! Bugfix: model_string needed a default value
55	!
56	! Aug 07 Loop for processing of output by coupled runs, id_string does not
57	! contain modus any longer
58	!
59	! 18/01/06 Output of time-averaged data
60	!
61	! 25/05/05 Errors removed
62	!
63	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
64	! file exists
65	!
66	! 31/10/01 All comments and messages translated into English
67	!
68	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
69	! Ursprungsversion vom 28/07/97
70	!
71	!
72	! Description:
73	! ------------
74	! This routine combines data of the PALM-subdomains into one file. In PALM
75	! every processor element opens its own file and writes 2D- or 3D-binary-data
76	! into it (different files are opened for xy-, xz-, yz-cross-sections and
77	! 3D-data). For plotting or analyzing these PE-data have to be collected and
78	! to be put into single files, which is done by this routine.
79	! Output format is NetCDF. Additionally, a data are output in a binary format
80	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
81	!------------------------------------------------------------------------------!
82
83	#if defined( __netcdf )
84	USE netcdf
85	#endif
86
87	IMPLICIT NONE
88
89	!
90	!-- Local variables
91	CHARACTER (LEN=2) :: modus, model_string
92	CHARACTER (LEN=6) :: id_string
93	CHARACTER (LEN=10) :: dimname, var_name
94	CHARACTER (LEN=40) :: filename
95
96	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
97
98	INTEGER, PARAMETER :: iwp = 4, spk = SELECTED_REAL_KIND( 6 ), wp = 8
99
100	INTEGER(iwp) :: av, danz, i, id, j, k, model, models, nc_stat, &
101	nxa, nxag, nxe, nxeg, nya, nyag, nye, nyeg, &
102	nza, nzag, nze, nzeg, pos, time_step, &
103	xa, xe, xxa, xxe, ya, ye, yya, yye, za, ze, zza, zze
104
105	#if defined( __lc ) \|\| defined( __decalpha )
106	INTEGER(8) :: count, count_rate
107	#elif defined( __nec )
108	INTEGER(iwp) :: count, count_rate
109	#elif defined( __ibm )
110	INTEGER(8) :: IRTC
111	#endif
112
113	INTEGER(iwp), DIMENSION(0:1) :: current_level, current_var, &
114	fanz, id_set, id_var_time, num_var
115	INTEGER(iwp), DIMENSION(4) :: id_dims_loc
116	INTEGER(iwp), DIMENSION(0:1,4) :: id_dims
117	INTEGER(iwp), DIMENSION(0:1,1000) :: id_var, levels
118
119	LOGICAL :: avs_output, compressed, found, iso2d_output, netcdf_output, &
120	netcdf_parallel, netcdf_0, netcdf_1
121
122	REAL(wp) :: cpu_start_time, cpu_end_time, dx, simulated_time
123	REAL(wp), DIMENSION(:), ALLOCATABLE :: eta, ho, hu
124	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
125	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
126
127	PRINT*, ''
128	PRINT*, ''
129	PRINT, ' combine_plot_fields *'
130
131	!
132	!-- Find out if a coupled run has been carried out
133	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
134	IF ( found ) THEN
135	models = 2
136	PRINT*, ' coupled run'
137	ELSE
138	models = 1
139	PRINT*, ' uncoupled run'
140	ENDIF
141
142	!
143	!-- Find out if a precursor ocean run has been carried out
144	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
145	IF ( found ) THEN
146	model_string = '_O'
147	PRINT*, ' precursor ocean run'
148	ELSE
149	model_string = ''
150	ENDIF
151
152	!
153	!-- Do everything for each model
154	DO model = 1, models
155	!
156	!-- Set the model string used to identify the filenames
157	IF ( models == 2 ) THEN
158	PRINT*, ''
159	PRINT, ' combine_plot_fields *'
160	IF ( model == 2 ) THEN
161	model_string = '_O'
162	PRINT*, ' now combining ocean data'
163	PRINT*, ' ========================'
164	ELSE
165	PRINT*, ' now combining atmosphere data'
166	PRINT*, ' ============================='
167	ENDIF
168	ENDIF
169	!
170	!-- 2D-arrays for ISO2D
171	!-- Main loop for the three different cross-sections, starting with
172	!-- xy-section
173	modus = 'XY'
174	PRINT*, ''
175	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
176	!
177	!-- Take current time
178	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
179	CALL SYSTEM_CLOCK( count, count_rate )
180	cpu_start_time = REAL( count ) / REAL( count_rate )
181	#elif defined( __ibm )
182	cpu_start_time = IRTC( ) * 1E-9
183	#else
184	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
185	#endif
186
187	netcdf_parallel = .FALSE.
188	!
189	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
190	!-- create any output for this cross-section.
191	danz = 0
192	WRITE (id_string,'(I6.6)') danz
193	INQUIRE ( &
194	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
195	EXIST=found )
196	!
197	!-- Find out the number of files (equal to the number of PEs which
198	!-- have been used in PALM) and open them
199	DO WHILE ( found )
200
201	OPEN ( danz+110, &
202	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
203	FORM='UNFORMATTED' )
204	danz = danz + 1
205	WRITE (id_string,'(I6.6)') danz
206	INQUIRE ( &
207	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
208	EXIST=found )
209
210	ENDDO
211
212	!
213	!-- Inquire whether an iso2d parameter file exists
214	INQUIRE( FILE='PLOT2D_'//modus//'_GLOBAL'//TRIM( model_string ), &
215	EXIST=iso2d_output )
216
217	!
218	!-- Inquire whether a NetCDF file exists
219	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
220	EXIST=netcdf_0 )
221
222	!
223	!-- Inquire whether a NetCDF file for time-averaged data exists
224	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
225	EXIST=netcdf_1 )
226
227	IF ( netcdf_0 .OR. netcdf_1 ) THEN
228	netcdf_output = .TRUE.
229	!
230	!-- Inquire whether the NetCDF file is already complete (parallel
231	!-- output)
232	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
233	EXIST=netcdf_parallel )
234	IF ( netcdf_parallel ) THEN
235	netcdf_parallel = .TRUE.
236	ELSE
237	netcdf_parallel = .FALSE.
238	ENDIF
239	ELSE
240	netcdf_output = .FALSE.
241	ENDIF
242
243	!
244	!-- Info-output
245	PRINT*, ''
246	PRINT, ' combine_plot_fields *'
247	#if defined( __netcdf )
248	IF ( netcdf_output ) THEN
249	IF ( netcdf_parallel ) THEN
250	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
251	'(NetCDF4-format) - merging not neccessary'
252	ELSE
253	PRINT*, ' NetCDF output enabled'
254	ENDIF
255	ENDIF
256	#else
257	IF ( netcdf_output ) THEN
258	PRINT*, '--- Sorry, no NetCDF support on this host'
259	netcdf_output = .FALSE.
260	ENDIF
261	#endif
262	IF ( .NOT. netcdf_parallel ) THEN
263	IF ( danz /= 0 ) THEN
264	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
265	ELSE
266	PRINT*, ' no ', modus, '-section data available'
267	ENDIF
268	ENDIF
269
270	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
271	THEN
272	#if defined( __netcdf )
273	DO av = 0, 1
274
275	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
276	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
277
278	!
279	!-- Open NetCDF dataset
280	IF ( av == 0 ) THEN
281	filename = 'DATA_2D_'//modus//'_NETCDF' &
282	//TRIM( model_string )
283	ELSE
284	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
285	//TRIM( model_string )
286	ENDIF
287	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
288	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
289
290	!
291	!-- Get the list of variables (order of variables corresponds with
292	!-- the order of data on the binary file)
293	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
294	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
295	var_list(av) )
296	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
297
298	!
299	!-- Inquire id of the time coordinate variable
300	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
301	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
302
303	!
304	!-- Count number of variables; there is one more semicolon in the
305	!-- string than variable names
306	num_var(av) = -1
307	DO i = 1, LEN( var_list(av) )
308	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
309	ENDDO
310
311	!
312	!-- Extract the variable names from the list and inquire their
313	!-- NetCDF IDs
314	pos = INDEX( var_list(av), ';' )
315	!
316	!-- Loop over all variables
317	DO i = 1, num_var(av)
318
319	!
320	!-- Extract variable name from list
321	var_list(av) = var_list(av)(pos+1:)
322	pos = INDEX( var_list(av), ';' )
323	var_name = var_list(av)(1:pos-1)
324
325	!
326	!-- Get variable ID from name
327	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
328	id_var(av,i) )
329	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
330
331	!
332	!-- Get number of x/y/z levels for that variable
333	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
334	dimids = id_dims_loc )
335	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
336	id_dims(av,:) = id_dims_loc
337
338	!
339	!-- Inquire dimension ID
340	DO j = 1, 4
341	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
342	id_dims(av,j), dimname, levels(av,i) )
343	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
344
345	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
346	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
347	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
348	ENDDO
349
350	ENDDO
351
352	ENDDO ! av = 0, 1
353
354	#endif
355	ENDIF
356
357	!
358	!-- Read the arrays, as long as the end of the file is reached
359	IF ( .NOT. netcdf_parallel ) THEN
360
361	fanz = 0
362	current_level = 1
363	current_var = 999999999
364
365	DO WHILE ( danz /= 0 )
366
367	!
368	!-- Loop over all files (reading data of the subdomains)
369	DO id = 0, danz-1
370	!
371	!-- File from PE0 contains special information at the beginning,
372	!-- concerning the lower and upper indices of the total-domain
373	!-- used in PALM (nxag, nxeg, nyag, nyeg) and the lower and
374	!-- upper indices of the array to be writte by this routine
375	!-- (nxa, nxe, nya, nye). Usually in the horizontal directions
376	!-- nxag=-1 and nxa=0 while all other variables have the same
377	!-- value (i.e. nxeg=nxe).
378	!-- Allocate necessary arrays, open the output file and write
379	!-- the coordinate informations needed by ISO2D.
380	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
381	READ ( id+110 ) nxag, nxeg, nyag, nyeg
382	READ ( id+110 ) nxa, nxe, nya, nye
383	ALLOCATE ( eta(nya:nye), ho(nxa:nxe), hu(nxa:nxe), &
384	pf(nxag:nxeg,nyag:nyeg) )
385	READ ( id+110 ) dx, eta, hu, ho
386
387	IF ( iso2d_output ) THEN
388	OPEN ( 2, FILE='PLOT2D_'//modus//TRIM( model_string ),&
389	FORM='UNFORMATTED' )
390	WRITE ( 2 ) dx, eta, hu, ho
391	ENDIF
392	ENDIF
393	!
394	!-- Read output time
395	IF ( netcdf_output .AND. id == 0 ) THEN
396	IF ( netcdf_1 ) THEN
397	READ ( id+110, END=998 ) simulated_time, time_step, av
398	ELSE
399	!
400	!-- For compatibility with earlier PALM versions
401	READ ( id+110, END=998 ) simulated_time, time_step
402	av = 0
403	ENDIF
404	ENDIF
405	!
406	!-- Read subdomain indices
407	READ ( id+110, END=998 ) xa, xe, ya, ye
408	!
409	!-- IF the PE made no output (in case that no part of the
410	!-- cross-section is situated on this PE), indices have the
411	!-- value -1
412	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
413	ya == -1 .AND. ye == -1 ) ) THEN
414	!
415	!-- Read the subdomain grid-point values
416	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
417	READ ( id+110 ) pf_tmp
418	pf(xa:xe,ya:ye) = pf_tmp
419	DEALLOCATE( pf_tmp )
420	ENDIF
421	IF ( id == 0 ) fanz(av) = fanz(av) + 1
422
423	ENDDO
424	!
425	!-- Write the data of the total domain cross-section
426	IF ( iso2d_output ) WRITE ( 2 ) pf(nxa:nxe,nya:nye)
427
428	!
429	!-- Write same data in NetCDF format
430	IF ( netcdf_output ) THEN
431	#if defined( __netcdf )
432	!
433	!-- Check if a new time step has begun; if yes write data to
434	!-- time axis
435	IF ( current_var(av) > num_var(av) ) THEN
436	current_var(av) = 1
437	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
438	(/ simulated_time /), &
439	start = (/ time_step /), &
440	count = (/ 1 /) )
441	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
442	ENDIF
443
444	!
445	!-- Now write the data; this is mode dependent
446	SELECT CASE ( modus )
447
448	CASE ( 'XY' )
449	nc_stat = NF90_PUT_VAR( id_set(av), &
450	id_var(av,current_var(av)), &
451	pf(nxa:nxe,nya:nye), &
452	start = (/ 1, 1, current_level(av), time_step /), &
453	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
454	IF ( nc_stat /= NF90_NOERR ) THEN
455	CALL handle_netcdf_error( 8 )
456	ENDIF
457
458	CASE ( 'XZ' )
459	nc_stat = NF90_PUT_VAR( id_set(av), &
460	id_var(av,current_var(av)), &
461	pf(nxa:nxe,nya:nye), &
462	start = (/ 1, current_level(av), 1, time_step /), &
463	count = (/ nxe-nxa+1, 1, nye-nya+1, 1 /) )
464	IF ( nc_stat /= NF90_NOERR ) THEN
465	CALL handle_netcdf_error( 9 )
466	ENDIF
467
468	CASE ( 'YZ' )
469	nc_stat = NF90_PUT_VAR( id_set(av), &
470	id_var(av,current_var(av)), &
471	pf(nxa:nxe,nya:nye), &
472	start = (/ current_level(av), 1, 1, time_step /), &
473	count = (/ 1, nxe-nxa+1, nye-nya+1, 1 /) )
474	IF ( nc_stat /= NF90_NOERR ) THEN
475	CALL handle_netcdf_error( 10 )
476	ENDIF
477
478	END SELECT
479
480	!
481	!-- Data is written, check if max level is reached
482	current_level(av) = current_level(av) + 1
483	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
484	current_level(av) = 1
485	current_var(av) = current_var(av) + 1
486	ENDIF
487
488	#endif
489	ENDIF
490
491	ENDDO
492
493	ENDIF
494
495	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
496	!
497	!-- Print the number of the arrays processed
498	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
499	IF ( fanz(1) /= 0 ) THEN
500	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
501	ENDIF
502
503	!
504	!-- Close all files and deallocate arrays
505	DO id = 0, danz-1
506	CLOSE ( id+110 )
507	ENDDO
508	CLOSE ( 2 )
509	DEALLOCATE ( eta, ho, hu, pf )
510
511	!
512	!-- Close the NetCDF file
513	IF ( netcdf_output ) THEN
514	#if defined( __netcdf )
515	IF ( netcdf_0 ) THEN
516	nc_stat = NF90_CLOSE( id_set(0) )
517	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
518	ENDIF
519	IF ( netcdf_1 ) THEN
520	nc_stat = NF90_CLOSE( id_set(1) )
521	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
522	ENDIF
523	#endif
524	ENDIF
525	ENDIF
526
527	!
528	!-- Output required cpu time
529	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
530	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
531	CALL SYSTEM_CLOCK( count, count_rate )
532	cpu_end_time = REAL( count ) / REAL( count_rate )
533	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
534	cpu_end_time-cpu_start_time, ' sec'
535	#elif defined( __ibm )
536	cpu_end_time = IRTC( ) * 1E-9
537	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
538	cpu_end_time-cpu_start_time, ' sec'
539	#else
540	CONTINUE
541	#endif
542	ENDIF
543
544	!
545	!-- Choose the next cross-section
546	SELECT CASE ( modus )
547	CASE ( 'XY' )
548	modus = 'XZ'
549	CASE ( 'XZ' )
550	modus = 'YZ'
551	CASE ( 'YZ' )
552	modus = 'no'
553	END SELECT
554
555	ENDDO
556
557
558	!
559	!-- Combine the 3D-arrays
560	netcdf_parallel = .FALSE.
561
562	!
563	!-- Info-output
564	PRINT*, ' '
565	PRINT, ' combine_plot_fields *'
566
567	!
568	!-- Take current time
569	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
570	CALL SYSTEM_CLOCK( count, count_rate )
571	cpu_start_time = REAL( count ) / REAL( count_rate )
572	#elif defined( __ibm )
573	cpu_start_time = IRTC( ) * 1E-9
574	#else
575	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
576	#endif
577
578	!
579	!-- Inquire whether an avs fld file exists
580	INQUIRE( FILE='PLOT3D_FLD'//TRIM( model_string ), EXIST=avs_output )
581
582	!
583	!-- Inquire whether a NetCDF file exists
584	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
585
586	!
587	!-- Inquire whether a NetCDF file for time-averaged data exists
588	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
589
590	IF ( netcdf_0 .OR. netcdf_1 ) THEN
591	netcdf_output = .TRUE.
592	!
593	!-- Inquire whether the NetCDF file is already complete (parallel output)
594	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
595	IF ( netcdf_parallel ) THEN
596	netcdf_parallel = .TRUE.
597	ELSE
598	netcdf_parallel = .FALSE.
599	ENDIF
600	ELSE
601	netcdf_output = .FALSE.
602	ENDIF
603
604	!
605	!-- Check, if file from PE0 exists; not neccessary in case of parallel
606	!-- PALM output
607	IF ( .NOT. netcdf_parallel ) THEN
608	danz = 0
609	WRITE (id_string,'(I6.6)') danz
610	INQUIRE ( &
611	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
612	EXIST=found )
613	ELSE
614	found = .FALSE.
615	ENDIF
616
617	!
618	!-- Combination only works, if data are not compressed. In that case,
619	!-- PALM created a flag file (PLOT3D_COMPRESSED)
620	INQUIRE ( FILE='PLOT3D_COMPRESSED'//TRIM( model_string ), &
621	EXIST=compressed )
622
623	!
624	!-- Find out the number of files and open them
625	DO WHILE ( found .AND. .NOT. compressed )
626
627	OPEN ( danz+110, &
628	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
629	FORM='UNFORMATTED')
630	danz = danz + 1
631	WRITE (id_string,'(I6.6)') danz
632	INQUIRE ( &
633	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
634	EXIST=found )
635
636	ENDDO
637
638	#if defined( __netcdf )
639	IF ( netcdf_output ) THEN
640	IF ( netcdf_parallel ) THEN
641	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
642	' - merging not neccessary'
643	ELSE
644	PRINT*, ' NetCDF output enabled'
645	ENDIF
646	ENDIF
647	#else
648	IF ( netcdf_output ) THEN
649	PRINT*, '--- Sorry, no NetCDF support on this host'
650	netcdf_output = .FALSE.
651	ENDIF
652	#endif
653	IF ( .NOT. netcdf_parallel ) THEN
654	IF ( danz /= 0 ) THEN
655	PRINT*, ' 3D-data: ', danz, ' file(s) found'
656	ELSE
657	IF ( found .AND. compressed ) THEN
658	PRINT*, '+++ no 3D-data processing, since data are compressed'
659	ELSE
660	PRINT*, ' no 3D-data file available'
661	ENDIF
662	ENDIF
663	ENDIF
664
665	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
666	#if defined( __netcdf )
667	DO av = 0, 1
668
669	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
670	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
671
672	!
673	!-- Open NetCDF dataset
674	IF ( av == 0 ) THEN
675	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
676	ELSE
677	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
678	ENDIF
679	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
680	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
681
682
683	!
684	!-- Get the list of variables (order of variables corresponds with the
685	!-- order of data on the binary file)
686	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
687	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
688	var_list(av) )
689	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
690
691	!
692	!-- Inquire id of the time coordinate variable
693	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
694	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
695
696	!
697	!-- Count number of variables; there is one more semicolon in the
698	!-- string than variable names
699	num_var(av) = -1
700	DO i = 1, LEN( var_list(av) )
701	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
702	ENDDO
703
704	!
705	!-- Extract the variable names from the list and inquire their NetCDF
706	!-- IDs
707	pos = INDEX( var_list(av), ';' )
708	!
709	!-- Loop over all variables
710	DO i = 1, num_var(av)
711
712	!
713	!-- Extract variable name from list
714	var_list(av) = var_list(av)(pos+1:)
715	pos = INDEX( var_list(av), ';' )
716	var_name = var_list(av)(1:pos-1)
717
718	!
719	!-- Get variable ID from name
720	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
721	id_var(av,i) )
722	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
723
724	ENDDO
725
726	ENDDO ! av=0,1
727
728	#endif
729	ENDIF
730
731	!
732	!-- Read arrays, until the end of the file is reached
733	IF ( .NOT. netcdf_parallel ) THEN
734
735	current_var = 999999999
736	fanz = 0
737	DO WHILE ( danz /= 0 )
738
739	!
740	!-- Loop over all files
741	DO id = 0, danz-1
742	!
743	!-- File from PE0 contains special information at the beginning,
744	!-- concerning the lower and upper indices of the total-domain used
745	!-- in PALM (nxag, nxeg, nyag, nyeg, nzag, nzeg) and the lower and
746	!-- upper indices of the array to be written by this routine (nxa,
747	!-- nxe, nya, nye, nza, nze). Usually nxag=-1 and nxa=0, nyag=-1
748	!-- and nya=0, nzeg=nz and nze=nz_plot3d.
749	!-- Allocate necessary array and open the output file.
750	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
751	READ ( id+110 ) nxag, nxeg, nyag, nyeg, nzag, nzeg
752	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
753	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
754	IF ( avs_output ) THEN
755	OPEN ( 2, FILE='PLOT3D_DATA'//TRIM( model_string ), &
756	FORM='UNFORMATTED' )
757	ENDIF
758	ENDIF
759
760	!
761	!-- Read output time
762	IF ( netcdf_output .AND. id == 0 ) THEN
763	IF ( netcdf_1 ) THEN
764	READ ( id+110, END=999 ) simulated_time, time_step, av
765	ELSE
766	!
767	!-- For compatibility with earlier PALM versions
768	READ ( id+110, END=999 ) simulated_time, time_step
769	av = 0
770	ENDIF
771	ENDIF
772
773	!
774	!-- Read subdomain indices and grid point values
775	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
776	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
777	READ ( id+110 ) pf3d_tmp
778
779	xxa = MAX( nxa, xa )
780	xxe = MIN( nxe, xe )
781	yya = MAX( nya, ya )
782	yye = MIN( nye, ye )
783	zza = MAX( nza, za )
784	zze = MIN( nze, ze )
785	DO k = zza, zze
786	DO j = yya, yye
787	DO i = xxa, xxe
788	pf3d(i,j,k) = pf3d_tmp(i,j,k)
789	ENDDO
790	ENDDO
791	ENDDO
792
793	DEALLOCATE( pf3d_tmp )
794	IF ( id == 0 ) fanz(av) = fanz(av) + 1
795
796	ENDDO
797
798	!
799	!-- Write data of the total domain
800	IF ( avs_output ) WRITE ( 2 ) pf3d(nxa:nxe,nya:nye,nza:nze)
801
802	!
803	!-- Write same data in NetCDF format
804	IF ( netcdf_output ) THEN
805	#if defined( __netcdf )
806	!
807	!-- Check if a new time step has begun; if yes write data to time
808	!-- axis
809	IF ( current_var(av) > num_var(av) ) THEN
810	current_var(av) = 1
811	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
812	(/ simulated_time /),&
813	start = (/ time_step /), count = (/ 1 /) )
814	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
815	ENDIF
816
817	!
818	!-- Now write the data
819	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
820	pf3d, start = (/ 1, 1, 1, time_step /),&
821	count = (/ nxe-nxa+1, nye-nya+1, nze-nza+1, 1 /) )
822	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
823
824	current_var(av) = current_var(av) + 1
825
826	#endif
827	ENDIF
828
829	ENDDO
830
831	ENDIF
832
833	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
834	!
835	!-- Print the number of arrays processed
836	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
837	IF ( fanz(1) /= 0 ) THEN
838	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
839	ENDIF
840	!
841	!-- Close all files and deallocate array
842	DO id = 0, danz-1
843	CLOSE ( id+110 )
844	ENDDO
845	CLOSE ( 2 )
846	DEALLOCATE ( pf3d )
847	!
848	!-- Close the NetCDF file
849	IF ( netcdf_output ) THEN
850	#if defined( __netcdf )
851	IF ( netcdf_0 ) THEN
852	nc_stat = NF90_CLOSE( id_set(0) )
853	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
854	ENDIF
855	IF ( netcdf_1 ) THEN
856	nc_stat = NF90_CLOSE( id_set(1) )
857	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
858	ENDIF
859	#endif
860	ENDIF
861
862	!
863	!-- Output required cpu time
864	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
865	CALL SYSTEM_CLOCK( count, count_rate )
866	cpu_end_time = REAL( count ) / REAL( count_rate )
867	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
868	cpu_end_time-cpu_start_time, ' sec'
869	#elif defined( __ibm )
870	cpu_end_time = IRTC( ) * 1E-9
871	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
872	cpu_end_time-cpu_start_time, ' sec'
873	#endif
874
875	ENDIF
876
877	ENDDO ! models
878
879
880	CONTAINS
881
882
883	SUBROUTINE handle_netcdf_error( errno )
884	!
885	!-- Prints out a text message corresponding to the current NetCDF status
886
887	IMPLICIT NONE
888
889	INTEGER, INTENT(IN) :: errno
890
891	#if defined( __netcdf )
892	IF ( nc_stat /= NF90_NOERR ) THEN
893	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
894	TRIM( nf90_strerror( nc_stat ) )
895	ENDIF
896	#endif
897
898	END SUBROUTINE handle_netcdf_error
899
900
901	END PROGRAM combine_plot_fields
902
903
904

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