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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 2903

Last change on this file since 2903 was 2718, checked in by maronga, 7 years ago
deleting of deprecated files; headers updated where needed
Property svn:keywords set to `Id`
File size: 30.1 KB

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1	PROGRAM combine_plot_fields
2
3	!------------------------------------------------------------------------------!
4	! This file is part of the PALM model system.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the
7	! terms of the GNU General Public License as published by the Free Software
8	! Foundation, either version 3 of the License, or (at your option) any later
9	! version.
10	!
11	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
12	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
13	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
14	!
15	! You should have received a copy of the GNU General Public License along with
16	! PALM. If not, see <http://www.gnu.org/licenses/>.
17	!
18	! Copyright 1997-2018 Leibniz Universitaet Hannover
19	!------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! -----------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: combine_plot_fields.f90 2718 2018-01-02 08:49:38Z hellstea $
28	! Corrected "Former revisions" section
29	!
30	! 2696 2017-12-14 17:12:51Z kanani
31	! Change in file header (GPL part)
32	!
33	! 2669 2017-12-06 16:03:27Z raasch
34	! data of 3d-nest runs are completely processed now
35	!
36	! 2523 2017-10-05 14:42:47Z kanani
37	! Increased LEN for CHARACTER variable var_name, equal to the value in PALM
38	!
39	! 2512 2017-10-04 08:26:59Z raasch
40	! PALM output does not contain ghost layer data any more
41	! avs- and iso2d-related parts removed, handling of compressed data removed
42	!
43	! 2365 2017-08-21 14:59:59Z kanani
44	! Vertical grid nesting implemented (SadiqHuq)
45	!
46	! 1809 2016-04-05 20:13:28Z raasch
47	!
48	! 1808 2016-04-05 19:44:00Z raasch
49	! cpu measurements are done with standard FORTRAN routine on every machine
50	!
51	! 1551 2015-03-03 14:18:16Z maronga
52	! Adjustments for data output of soil model quantities
53	!
54	! 1468 2014-09-24 14:06:57Z maronga
55	! Adapted for use on up to 6-digit processor cores (not tested)
56	!
57	! 1394 2014-05-06 10:17:31Z keck
58	! KIND-attribute added to all INTEGER and REAL declaration statements
59	!
60	! 1046 2012-11-09 14:38:45Z maronga
61	! code put under GPL (PALM 3.9)
62	!
63	! 691 2011-03-04 08:45:30Z maronga
64	! Bugfix: check for precursor ocean runs, removed typo
65	!
66	! 493 2010-03-01 08:30:24Z raasch
67	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
68	! cpu measurements included
69	!
70	! 210 2008-11-06 08:54:02Z raasch
71	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
72	! all three dimensions), because output of a subset of the data
73	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
74	! with the INTEL compiler.
75	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
76	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
77	! Bugfix: three misplaced #endif directives
78	!
79	! 114 2007-10-10 00:03:15Z raasch
80	! Bugfix: model_string needed a default value
81	!
82	! Aug 07 Loop for processing of output by coupled runs, id_string does not
83	! contain modus any longer
84	!
85	! 18/01/06 Output of time-averaged data
86	!
87	! 25/05/05 Errors removed
88	!
89	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
90	! file exists
91	!
92	! 31/10/01 All comments and messages translated into English
93	!
94	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
95	! Ursprungsversion vom 28/07/97
96	!
97	!
98	! Description:
99	! ------------
100	! This routine combines data of the PALM-subdomains into one file. In PALM
101	! every processor element opens its own file and writes 2D- or 3D-binary-data
102	! into it (different files are opened for xy-, xz-, yz-cross-sections and
103	! 3D-data). For plotting or analyzing these PE-data have to be collected and
104	! to be put into single files, which is done by this routine.
105	! Output format is NetCDF. Additionally, a data are output in a binary format
106	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
107	!------------------------------------------------------------------------------!
108
109	#if defined( __netcdf )
110	USE netcdf
111	#endif
112
113	IMPLICIT NONE
114
115	!
116	!-- Local variables
117	CHARACTER (LEN=2) :: modus
118	CHARACTER (LEN=4) :: model_string
119	CHARACTER (LEN=6) :: id_string
120	CHARACTER (LEN=30) :: dimname, var_name
121	CHARACTER (LEN=40) :: filename
122
123	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
124
125	INTEGER, PARAMETER :: iwp = 4, spk = SELECTED_REAL_KIND( 6 ), wp = 8
126
127	INTEGER(iwp) :: av, danz, i, id, j, k, model, models, nc_stat, &
128	nxa, nxag, nxe, nxeg, nya, nyag, nye, nyeg, &
129	nza, nze, pos, time_step, xa, xe, xxa, xxe, ya, ya_do, &
130	ya_tot, ye, ye_do, ye_tot, yya, yye, za, ze, zza, zze
131
132	INTEGER(8) :: count, count_rate
133
134	INTEGER(iwp), DIMENSION(0:1) :: current_level, current_var, &
135	fanz, id_set, id_var_time, num_var
136	INTEGER(iwp), DIMENSION(4) :: id_dims_loc
137	INTEGER(iwp), DIMENSION(0:1,4) :: id_dims
138	INTEGER(iwp), DIMENSION(0:1,1000) :: id_var, levels
139
140	LOGICAL :: found, nest3d, netcdf_output, netcdf_parallel, netcdf_0, &
141	netcdf_1, vnest
142
143	REAL(wp) :: cpu_start_time, cpu_end_time, dx, simulated_time
144	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
145	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
146
147
148
149	PRINT*, ''
150	PRINT*, ''
151	PRINT, ' combine_plot_fields *'
152
153	!
154	!-- Find out if a coupled or nested run has been carried out
155	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
156	INQUIRE( FILE='VNESTING_PORT_OPENED', EXIST=vnest )
157	INQUIRE( FILE='3DNESTING', EXIST=nest3d )
158	IF ( found ) THEN
159	models = 2
160	PRINT*, ' coupled run'
161	ELSEIF ( vnest ) THEN
162	models = 2
163	PRINT*, ' Vertically nested grid coupling'
164	ELSEIF ( nest3d ) THEN
165	OPEN( 90, FILE='3DNESTING', FORM='FORMATTED' )
166	READ ( 90, '(I2)' ) models
167	CLOSE ( 90 )
168	PRINT*, ' 3d-nest run'
169	PRINT*, ' number of nest domains = ', models
170	ELSE
171	models = 1
172	PRINT*, ' uncoupled run'
173	ENDIF
174
175	!
176	!-- Find out if a precursor ocean run has been carried out
177	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
178	IF ( found ) THEN
179	model_string = '_O'
180	PRINT*, ' precursor ocean run'
181	ELSE
182	model_string = ''
183	ENDIF
184
185	!
186	!-- Do everything for each model
187	DO model = 1, models
188	!
189	!-- Set the model string used to identify the filenames
190	IF ( found .OR. vnest ) THEN
191	PRINT*, ''
192	IF ( model == 2 ) THEN
193	IF ( vnest ) THEN
194	model_string = '_N'
195	PRINT*, ' now combining FINE data'
196	PRINT*, ' ========================'
197	ELSE
198	model_string = '_O'
199	PRINT*, ' now combining ocean data'
200	PRINT*, ' ========================'
201	ENDIF
202	ELSE
203	IF ( vnest ) THEN
204	PRINT*, ' now combining COARSE data'
205	PRINT*, ' ============================='
206	ELSE
207	PRINT*, ' now combining atmosphere data'
208	PRINT*, ' ============================='
209	ENDIF
210	ENDIF
211	ELSEIF ( nest3d ) THEN
212	PRINT*, ''
213	PRINT*, '--> processing nest id = ', model
214	IF ( model == 1 ) THEN
215	model_string = ''
216	ELSE
217	WRITE( model_string, '(A2,I2.2)' ) '_N', model
218	ENDIF
219	ENDIF
220	!
221	!-- 2D-arrays for ISO2D
222	!-- Main loop for the three different cross-sections, starting with
223	!-- xy-section
224	modus = 'XY'
225	PRINT*, ''
226	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
227	!
228	!-- Take current time
229	CALL SYSTEM_CLOCK( count, count_rate )
230	cpu_start_time = REAL( count ) / REAL( count_rate )
231
232	netcdf_parallel = .FALSE.
233	!
234	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
235	!-- create any output for this cross-section.
236	danz = 0
237	WRITE (id_string,'(I6.6)') danz
238	INQUIRE ( &
239	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
240	EXIST=found )
241	!
242	!-- Find out the number of files (equal to the number of PEs which
243	!-- have been used in PALM) and open them
244	DO WHILE ( found )
245
246	OPEN ( danz+110, &
247	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
248	FORM='UNFORMATTED' )
249	danz = danz + 1
250	WRITE (id_string,'(I6.6)') danz
251	INQUIRE ( &
252	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
253	EXIST=found )
254
255	ENDDO
256
257	!
258	!-- Inquire whether a NetCDF file exists
259	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
260	EXIST=netcdf_0 )
261
262	!
263	!-- Inquire whether a NetCDF file for time-averaged data exists
264	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
265	EXIST=netcdf_1 )
266
267	IF ( netcdf_0 .OR. netcdf_1 ) THEN
268	netcdf_output = .TRUE.
269	!
270	!-- Inquire whether the NetCDF file is already complete (parallel
271	!-- output)
272	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
273	EXIST=netcdf_parallel )
274	IF ( netcdf_parallel ) THEN
275	netcdf_parallel = .TRUE.
276	ELSE
277	netcdf_parallel = .FALSE.
278	ENDIF
279	ELSE
280	netcdf_output = .FALSE.
281	ENDIF
282
283	!
284	!-- Info-output
285	PRINT*, ''
286	#if defined( __netcdf )
287	IF ( netcdf_output ) THEN
288	IF ( netcdf_parallel ) THEN
289	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
290	'(NetCDF4-format) - merging not neccessary'
291	ELSE
292	PRINT*, ' NetCDF output enabled'
293	ENDIF
294	ENDIF
295	#else
296	IF ( netcdf_output ) THEN
297	PRINT*, '--- Sorry, no NetCDF support on this host'
298	netcdf_output = .FALSE.
299	ENDIF
300	#endif
301	IF ( .NOT. netcdf_parallel ) THEN
302	IF ( danz /= 0 ) THEN
303	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
304	ELSE
305	PRINT*, ' no ', modus, '-section data available'
306	ENDIF
307	ENDIF
308
309	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
310	THEN
311	#if defined( __netcdf )
312	DO av = 0, 1
313
314	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
315	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
316
317	!
318	!-- Open NetCDF dataset
319	IF ( av == 0 ) THEN
320	filename = 'DATA_2D_'//modus//'_NETCDF' &
321	//TRIM( model_string )
322	ELSE
323	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
324	//TRIM( model_string )
325	ENDIF
326	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
327	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
328
329	!
330	!-- Get the list of variables (order of variables corresponds with
331	!-- the order of data on the binary file)
332	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
333	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
334	var_list(av) )
335	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
336
337	!
338	!-- Inquire id of the time coordinate variable
339	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
340	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
341
342	!
343	!-- Count number of variables; there is one more semicolon in the
344	!-- string than variable names
345	num_var(av) = -1
346	DO i = 1, LEN( var_list(av) )
347	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
348	ENDDO
349
350	!
351	!-- Extract the variable names from the list and inquire their
352	!-- NetCDF IDs
353	pos = INDEX( var_list(av), ';' )
354	!
355	!-- Loop over all variables
356	DO i = 1, num_var(av)
357
358	!
359	!-- Extract variable name from list
360	var_list(av) = var_list(av)(pos+1:)
361	pos = INDEX( var_list(av), ';' )
362	var_name = var_list(av)(1:pos-1)
363
364	!
365	!-- Get variable ID from name
366	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
367	id_var(av,i) )
368	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
369
370	!
371	!-- Get number of x/y/z levels for that variable
372	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
373	dimids = id_dims_loc )
374	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
375	id_dims(av,:) = id_dims_loc
376
377	!
378	!-- Inquire dimension ID
379	DO j = 1, 4
380	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
381	id_dims(av,j), dimname, levels(av,i) )
382	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
383
384	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
385	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
386	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
387	ENDDO
388
389	ENDDO
390
391	ENDDO ! av = 0, 1
392
393	#endif
394	ENDIF
395
396	!
397	!-- Read the arrays, as long as the end of the file is reached
398	IF ( .NOT. netcdf_parallel ) THEN
399
400	fanz = 0
401	current_level = 1
402	current_var = 999999999
403
404	DO WHILE ( danz /= 0 )
405
406	!
407	!-- Loop over all files (reading data of the subdomains)
408	DO id = 0, danz-1
409	!
410	!-- File from PE0 contains special information at the beginning,
411	!-- concerning the lower and upper indices of the total-domain
412	!-- used in PALM (nxa, nxe, nya, nye).
413	!-- Allocate necessary arrays, open the output file and write
414	!-- the coordinate informations needed by ISO2D.
415	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
416
417	READ ( id+110 ) nxa, nxe, nya, nye
418	ALLOCATE ( pf(nxa:nxe,nya:nye) )
419	!
420	!-- Set actual domain bounds to total domain
421	ya_do = nya
422	ye_do = nye
423
424	ENDIF
425	!
426	!-- Read output time
427	IF ( netcdf_output .AND. id == 0 ) THEN
428	READ ( id+110, END=998 ) simulated_time, time_step, av
429	ENDIF
430	!
431	!-- Read subdomain indices
432	READ ( id+110, END=998 ) xa, xe, ya, ye, ya_tot, ye_tot
433
434	!
435	!-- IF the PE made no output (in case that no part of the
436	!-- cross-section is situated on this PE), indices have the
437	!-- value -1
438	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
439	ya == -1 .AND. ye == -1 ) ) THEN
440
441
442	!
443	!-- Read the subdomain grid-point values
444	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
445	READ ( id+110 ) pf_tmp
446	!
447	!-- Calculate indices on atmospheric grid (e.g. for soil model
448	!-- quantities)
449	IF ( ya /= ya_tot .OR. ye /= ye_tot ) THEN
450	ye_do = ye - ya
451	ya_do = ya
452	pf(xa:xe,ya_do:ye_do) = pf_tmp
453	ELSE
454	ye_do = nye
455	ya_do = nya
456	pf(xa:xe,ya:ye) = pf_tmp
457	ENDIF
458
459	DEALLOCATE( pf_tmp )
460	ENDIF
461	IF ( id == 0 ) fanz(av) = fanz(av) + 1
462
463	ENDDO
464	!
465	!-- Write data in NetCDF format
466	IF ( netcdf_output ) THEN
467	#if defined( __netcdf )
468	!
469	!-- Check if a new time step has begun; if yes write data to
470	!-- time axis
471	IF ( current_var(av) > num_var(av) ) THEN
472	current_var(av) = 1
473	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
474	(/ simulated_time /), &
475	start = (/ time_step /), &
476	count = (/ 1 /) )
477	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
478	ENDIF
479
480	!
481	!-- Now write the data; this is mode dependent
482	SELECT CASE ( modus )
483
484	CASE ( 'XY' )
485	nc_stat = NF90_PUT_VAR( id_set(av), &
486	id_var(av,current_var(av)), &
487	pf(nxa:nxe,nya:nye), &
488	start = (/ 1, 1, current_level(av), time_step /), &
489	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
490	IF ( nc_stat /= NF90_NOERR ) THEN
491	CALL handle_netcdf_error( 8 )
492	ENDIF
493
494	CASE ( 'XZ' )
495	nc_stat = NF90_PUT_VAR( id_set(av), &
496	id_var(av,current_var(av)), &
497	pf(nxa:nxe,ya_do:ye_do), &
498	start = (/ 1, current_level(av), 1, time_step /), &
499	count = (/ nxe-nxa+1, 1, ye_do-ya_do+1, 1 /) )
500	IF ( nc_stat /= NF90_NOERR ) THEN
501	CALL handle_netcdf_error( 9 )
502	ENDIF
503
504	CASE ( 'YZ' )
505	nc_stat = NF90_PUT_VAR( id_set(av), &
506	id_var(av,current_var(av)), &
507	pf(nxa:nxe,ya_do:ye_do), &
508	start = (/ current_level(av), 1, 1, time_step /), &
509	count = (/ 1, nxe-nxa+1, ye_do-ya_do+1, 1 /) )
510	IF ( nc_stat /= NF90_NOERR ) THEN
511	CALL handle_netcdf_error( 10 )
512	ENDIF
513
514	END SELECT
515
516	!
517	!-- Data is written, check if max level is reached
518	current_level(av) = current_level(av) + 1
519	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
520	current_level(av) = 1
521	current_var(av) = current_var(av) + 1
522	ENDIF
523
524	#endif
525	ENDIF
526
527	ENDDO
528
529	ENDIF
530
531	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
532	!
533	!-- Print the number of the arrays processed
534	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
535	IF ( fanz(1) /= 0 ) THEN
536	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
537	ENDIF
538
539	!
540	!-- Close all files and deallocate arrays
541	DO id = 0, danz-1
542	CLOSE ( id+110 )
543	ENDDO
544	CLOSE ( 2 )
545	DEALLOCATE ( pf )
546
547	!
548	!-- Close the NetCDF file
549	IF ( netcdf_output ) THEN
550	#if defined( __netcdf )
551	IF ( netcdf_0 ) THEN
552	nc_stat = NF90_CLOSE( id_set(0) )
553	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
554	ENDIF
555	IF ( netcdf_1 ) THEN
556	nc_stat = NF90_CLOSE( id_set(1) )
557	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
558	ENDIF
559	#endif
560	ENDIF
561	ENDIF
562
563	!
564	!-- Output required cpu time
565	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
566	CALL SYSTEM_CLOCK( count, count_rate )
567	cpu_end_time = REAL( count ) / REAL( count_rate )
568	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
569	cpu_end_time-cpu_start_time, ' sec'
570	ENDIF
571
572	!
573	!-- Choose the next cross-section
574	SELECT CASE ( modus )
575	CASE ( 'XY' )
576	modus = 'XZ'
577	CASE ( 'XZ' )
578	modus = 'YZ'
579	CASE ( 'YZ' )
580	modus = 'no'
581	END SELECT
582
583	ENDDO
584
585
586	!
587	!-- Combine the 3D-arrays
588	netcdf_parallel = .FALSE.
589
590	!
591	!-- Info-output
592	PRINT*, ' '
593
594	!
595	!-- Take current time
596	CALL SYSTEM_CLOCK( count, count_rate )
597	cpu_start_time = REAL( count ) / REAL( count_rate )
598
599	!
600	!-- Inquire whether a NetCDF file exists
601	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
602
603	!
604	!-- Inquire whether a NetCDF file for time-averaged data exists
605	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
606
607	IF ( netcdf_0 .OR. netcdf_1 ) THEN
608	netcdf_output = .TRUE.
609	!
610	!-- Inquire whether the NetCDF file is already complete (parallel output)
611	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
612	IF ( netcdf_parallel ) THEN
613	netcdf_parallel = .TRUE.
614	ELSE
615	netcdf_parallel = .FALSE.
616	ENDIF
617	ELSE
618	netcdf_output = .FALSE.
619	ENDIF
620
621	!
622	!-- Check, if file from PE0 exists; not neccessary in case of parallel
623	!-- PALM output
624	IF ( .NOT. netcdf_parallel ) THEN
625	danz = 0
626	WRITE (id_string,'(I6.6)') danz
627	INQUIRE ( &
628	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
629	EXIST=found )
630	ELSE
631	found = .FALSE.
632	ENDIF
633
634	!
635	!-- Find out the number of files and open them
636	DO WHILE ( found )
637
638	OPEN ( danz+110, &
639	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
640	FORM='UNFORMATTED')
641	danz = danz + 1
642	WRITE (id_string,'(I6.6)') danz
643	INQUIRE ( &
644	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
645	EXIST=found )
646
647	ENDDO
648
649	#if defined( __netcdf )
650	IF ( netcdf_output ) THEN
651	IF ( netcdf_parallel ) THEN
652	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
653	' - merging not neccessary'
654	ELSE
655	PRINT*, ' NetCDF output enabled'
656	ENDIF
657	ENDIF
658	#else
659	IF ( netcdf_output ) THEN
660	PRINT*, '--- Sorry, no NetCDF support on this host'
661	netcdf_output = .FALSE.
662	ENDIF
663	#endif
664	IF ( .NOT. netcdf_parallel ) THEN
665	IF ( danz /= 0 ) THEN
666	PRINT*, ' 3D-data: ', danz, ' file(s) found'
667	ELSE
668	PRINT*, ' no 3D-data file available'
669	ENDIF
670	ENDIF
671
672	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
673	#if defined( __netcdf )
674	DO av = 0, 1
675
676	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
677	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
678
679	!
680	!-- Open NetCDF dataset
681	IF ( av == 0 ) THEN
682	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
683	ELSE
684	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
685	ENDIF
686	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
687	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
688
689
690	!
691	!-- Get the list of variables (order of variables corresponds with the
692	!-- order of data on the binary file)
693	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
694	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
695	var_list(av) )
696	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
697
698	!
699	!-- Inquire id of the time coordinate variable
700	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
701	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
702
703	!
704	!-- Count number of variables; there is one more semicolon in the
705	!-- string than variable names
706	num_var(av) = -1
707	DO i = 1, LEN( var_list(av) )
708	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
709	ENDDO
710
711	!
712	!-- Extract the variable names from the list and inquire their NetCDF
713	!-- IDs
714	pos = INDEX( var_list(av), ';' )
715	!
716	!-- Loop over all variables
717	DO i = 1, num_var(av)
718
719	!
720	!-- Extract variable name from list
721	var_list(av) = var_list(av)(pos+1:)
722	pos = INDEX( var_list(av), ';' )
723	var_name = var_list(av)(1:pos-1)
724
725	!
726	!-- Get variable ID from name
727	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
728	id_var(av,i) )
729	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
730
731	ENDDO
732
733	ENDDO ! av=0,1
734
735	#endif
736	ENDIF
737
738	!
739	!-- Read arrays, until the end of the file is reached
740	IF ( .NOT. netcdf_parallel ) THEN
741
742	current_var = 999999999
743	fanz = 0
744	DO WHILE ( danz /= 0 )
745
746	!
747	!-- Loop over all files
748	DO id = 0, danz-1
749	!
750	!-- File from PE0 contains at the beginning the index bounds
751	!-- of PALM's total domain.
752	!-- Allocate the array for storing the total domain data
753	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
754	! READ ( id+110 ) nxag, nxeg, nyag, nyeg
755	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
756	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
757	ENDIF
758
759	!
760	!-- Read output time
761	IF ( netcdf_output .AND. id == 0 ) THEN
762	IF ( netcdf_1 ) THEN
763	READ ( id+110, END=999 ) simulated_time, time_step, av
764	ELSE
765	!
766	!-- For compatibility with earlier PALM versions
767	READ ( id+110, END=999 ) simulated_time, time_step
768	av = 0
769	ENDIF
770	ENDIF
771
772	!
773	!-- Read subdomain indices and grid point values
774	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
775	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
776	READ ( id+110 ) pf3d_tmp
777
778	xxa = MAX( nxa, xa )
779	xxe = MIN( nxe, xe )
780	yya = MAX( nya, ya )
781	yye = MIN( nye, ye )
782	DO k = za, ze
783	DO j = yya, yye
784	DO i = xxa, xxe
785	pf3d(i,j,k) = pf3d_tmp(i,j,k)
786	ENDDO
787	ENDDO
788	ENDDO
789
790	DEALLOCATE( pf3d_tmp )
791	IF ( id == 0 ) fanz(av) = fanz(av) + 1
792
793	ENDDO
794
795	!
796	!-- Write data of the total domain in NetCDF format
797	IF ( netcdf_output ) THEN
798	#if defined( __netcdf )
799	!
800	!-- Check if a new time step has begun; if yes write data to time
801	!-- axis
802	IF ( current_var(av) > num_var(av) ) THEN
803	current_var(av) = 1
804	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
805	(/ simulated_time /),&
806	start = (/ time_step /), count = (/ 1 /) )
807	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
808	ENDIF
809
810	!
811	!-- Now write the data
812	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
813	pf3d(nxa:nxe,nya:nye,za:ze), start = (/ 1, 1, 1, time_step /),&
814	count = (/ nxe-nxa+1, nye-nya+1, ze-za+1, 1 /) )
815	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
816
817	current_var(av) = current_var(av) + 1
818
819	#endif
820	ENDIF
821
822	ENDDO
823
824	ENDIF
825
826	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
827	!
828	!-- Print the number of arrays processed
829	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
830	IF ( fanz(1) /= 0 ) THEN
831	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
832	ENDIF
833	!
834	!-- Close all files and deallocate array
835	DO id = 0, danz-1
836	CLOSE ( id+110 )
837	ENDDO
838	CLOSE ( 2 )
839	DEALLOCATE ( pf3d )
840	!
841	!-- Close the NetCDF file
842	IF ( netcdf_output ) THEN
843	#if defined( __netcdf )
844	IF ( netcdf_0 ) THEN
845	nc_stat = NF90_CLOSE( id_set(0) )
846	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
847	ENDIF
848	IF ( netcdf_1 ) THEN
849	nc_stat = NF90_CLOSE( id_set(1) )
850	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
851	ENDIF
852	#endif
853	ENDIF
854
855	!
856	!-- Output required cpu time
857	CALL SYSTEM_CLOCK( count, count_rate )
858	cpu_end_time = REAL( count ) / REAL( count_rate )
859	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
860	cpu_end_time-cpu_start_time, ' sec'
861
862	ENDIF
863
864	ENDDO ! models
865
866
867	CONTAINS
868
869
870	SUBROUTINE handle_netcdf_error( errno )
871	!
872	!-- Prints out a text message corresponding to the current NetCDF status
873
874	IMPLICIT NONE
875
876	INTEGER, INTENT(IN) :: errno
877
878	#if defined( __netcdf )
879	IF ( nc_stat /= NF90_NOERR ) THEN
880	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
881	TRIM( nf90_strerror( nc_stat ) )
882	ENDIF
883	#endif
884
885	END SUBROUTINE handle_netcdf_error
886
887
888	END PROGRAM combine_plot_fields
889
890
891

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