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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 2715

Last change on this file since 2715 was 2696, checked in by kanani, 7 years ago
Merge of branch palm4u into trunk
Property svn:keywords set to `Id`
File size: 29.9 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 1997-2017 Leibniz Universitaet Hannover
19	!------------------------------------------------------------------------------!
20	!
21	! Current revisions:
22	! -----------------
23	!
24	!
25	! Former revisions:
26	! -----------------
27	! $Id: combine_plot_fields.f90 2696 2017-12-14 17:12:51Z raasch $
28	! data of 3d-nest runs are completely processed now
29	!
30	! 2523 2017-10-05 14:42:47Z kanani
31	! Increased LEN for CHARACTER variable var_name, equal to the value in PALM
32	!
33	! 2512 2017-10-04 08:26:59Z raasch
34	! PALM output does not contain ghost layer data any more
35	! avs- and iso2d-related parts removed, handling of compressed data removed
36	!
37	! 2365 2017-08-21 14:59:59Z kanani
38	! Vertical grid nesting implemented (SadiqHuq)
39	!
40	! 1809 2016-04-05 20:13:28Z raasch
41	!
42	! 1808 2016-04-05 19:44:00Z raasch
43	! cpu measurements are done with standard FORTRAN routine on every machine
44	!
45	! 1551 2015-03-03 14:18:16Z maronga
46	! Adjustments for data output of soil model quantities
47	!
48	! 1468 2014-09-24 14:06:57Z maronga
49	! Adapted for use on up to 6-digit processor cores (not tested)
50	!
51	! 1394 2014-05-06 10:17:31Z keck
52	! KIND-attribute added to all INTEGER and REAL declaration statements
53	!
54	! 1046 2012-11-09 14:38:45Z maronga
55	! code put under GPL (PALM 3.9)
56	!
57	! 691 2011-03-04 08:45:30Z maronga
58	! Bugfix: check for precursor ocean runs, removed typo
59	!
60	! 493 2010-03-01 08:30:24Z raasch
61	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
62	! cpu measurements included
63	!
64	! 210 2008-11-06 08:54:02Z raasch
65	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
66	! all three dimensions), because output of a subset of the data
67	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
68	! with the INTEL compiler.
69	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
70	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
71	! Bugfix: three misplaced #endif directives
72	!
73	! 114 2007-10-10 00:03:15Z raasch
74	! Bugfix: model_string needed a default value
75	!
76	! Aug 07 Loop for processing of output by coupled runs, id_string does not
77	! contain modus any longer
78	!
79	! 18/01/06 Output of time-averaged data
80	!
81	! 25/05/05 Errors removed
82	!
83	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
84	! file exists
85	!
86	! 31/10/01 All comments and messages translated into English
87	!
88	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
89	! Ursprungsversion vom 28/07/97
90	!
91	!
92	! Description:
93	! ------------
94	! This routine combines data of the PALM-subdomains into one file. In PALM
95	! every processor element opens its own file and writes 2D- or 3D-binary-data
96	! into it (different files are opened for xy-, xz-, yz-cross-sections and
97	! 3D-data). For plotting or analyzing these PE-data have to be collected and
98	! to be put into single files, which is done by this routine.
99	! Output format is NetCDF. Additionally, a data are output in a binary format
100	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
101	!------------------------------------------------------------------------------!
102
103	#if defined( __netcdf )
104	USE netcdf
105	#endif
106
107	IMPLICIT NONE
108
109	!
110	!-- Local variables
111	CHARACTER (LEN=2) :: modus
112	CHARACTER (LEN=4) :: model_string
113	CHARACTER (LEN=6) :: id_string
114	CHARACTER (LEN=30) :: dimname, var_name
115	CHARACTER (LEN=40) :: filename
116
117	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
118
119	INTEGER, PARAMETER :: iwp = 4, spk = SELECTED_REAL_KIND( 6 ), wp = 8
120
121	INTEGER(iwp) :: av, danz, i, id, j, k, model, models, nc_stat, &
122	nxa, nxag, nxe, nxeg, nya, nyag, nye, nyeg, &
123	nza, nze, pos, time_step, xa, xe, xxa, xxe, ya, ya_do, &
124	ya_tot, ye, ye_do, ye_tot, yya, yye, za, ze, zza, zze
125
126	INTEGER(8) :: count, count_rate
127
128	INTEGER(iwp), DIMENSION(0:1) :: current_level, current_var, &
129	fanz, id_set, id_var_time, num_var
130	INTEGER(iwp), DIMENSION(4) :: id_dims_loc
131	INTEGER(iwp), DIMENSION(0:1,4) :: id_dims
132	INTEGER(iwp), DIMENSION(0:1,1000) :: id_var, levels
133
134	LOGICAL :: found, nest3d, netcdf_output, netcdf_parallel, netcdf_0, &
135	netcdf_1, vnest
136
137	REAL(wp) :: cpu_start_time, cpu_end_time, dx, simulated_time
138	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
139	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
140
141
142
143	PRINT*, ''
144	PRINT*, ''
145	PRINT, ' combine_plot_fields *'
146
147	!
148	!-- Find out if a coupled or nested run has been carried out
149	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
150	INQUIRE( FILE='VNESTING_PORT_OPENED', EXIST=vnest )
151	INQUIRE( FILE='3DNESTING', EXIST=nest3d )
152	IF ( found ) THEN
153	models = 2
154	PRINT*, ' coupled run'
155	ELSEIF ( vnest ) THEN
156	models = 2
157	PRINT*, ' Vertically nested grid coupling'
158	ELSEIF ( nest3d ) THEN
159	OPEN( 90, FILE='3DNESTING', FORM='FORMATTED' )
160	READ ( 90, '(I2)' ) models
161	CLOSE ( 90 )
162	PRINT*, ' 3d-nest run'
163	PRINT*, ' number of nest domains = ', models
164	ELSE
165	models = 1
166	PRINT*, ' uncoupled run'
167	ENDIF
168
169	!
170	!-- Find out if a precursor ocean run has been carried out
171	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
172	IF ( found ) THEN
173	model_string = '_O'
174	PRINT*, ' precursor ocean run'
175	ELSE
176	model_string = ''
177	ENDIF
178
179	!
180	!-- Do everything for each model
181	DO model = 1, models
182	!
183	!-- Set the model string used to identify the filenames
184	IF ( found .OR. vnest ) THEN
185	PRINT*, ''
186	IF ( model == 2 ) THEN
187	IF ( vnest ) THEN
188	model_string = '_N'
189	PRINT*, ' now combining FINE data'
190	PRINT*, ' ========================'
191	ELSE
192	model_string = '_O'
193	PRINT*, ' now combining ocean data'
194	PRINT*, ' ========================'
195	ENDIF
196	ELSE
197	IF ( vnest ) THEN
198	PRINT*, ' now combining COARSE data'
199	PRINT*, ' ============================='
200	ELSE
201	PRINT*, ' now combining atmosphere data'
202	PRINT*, ' ============================='
203	ENDIF
204	ENDIF
205	ELSEIF ( nest3d ) THEN
206	PRINT*, ''
207	PRINT*, '--> processing nest id = ', model
208	IF ( model == 1 ) THEN
209	model_string = ''
210	ELSE
211	WRITE( model_string, '(A2,I2.2)' ) '_N', model
212	ENDIF
213	ENDIF
214	!
215	!-- 2D-arrays for ISO2D
216	!-- Main loop for the three different cross-sections, starting with
217	!-- xy-section
218	modus = 'XY'
219	PRINT*, ''
220	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
221	!
222	!-- Take current time
223	CALL SYSTEM_CLOCK( count, count_rate )
224	cpu_start_time = REAL( count ) / REAL( count_rate )
225
226	netcdf_parallel = .FALSE.
227	!
228	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
229	!-- create any output for this cross-section.
230	danz = 0
231	WRITE (id_string,'(I6.6)') danz
232	INQUIRE ( &
233	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
234	EXIST=found )
235	!
236	!-- Find out the number of files (equal to the number of PEs which
237	!-- have been used in PALM) and open them
238	DO WHILE ( found )
239
240	OPEN ( danz+110, &
241	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
242	FORM='UNFORMATTED' )
243	danz = danz + 1
244	WRITE (id_string,'(I6.6)') danz
245	INQUIRE ( &
246	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
247	EXIST=found )
248
249	ENDDO
250
251	!
252	!-- Inquire whether a NetCDF file exists
253	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
254	EXIST=netcdf_0 )
255
256	!
257	!-- Inquire whether a NetCDF file for time-averaged data exists
258	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
259	EXIST=netcdf_1 )
260
261	IF ( netcdf_0 .OR. netcdf_1 ) THEN
262	netcdf_output = .TRUE.
263	!
264	!-- Inquire whether the NetCDF file is already complete (parallel
265	!-- output)
266	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
267	EXIST=netcdf_parallel )
268	IF ( netcdf_parallel ) THEN
269	netcdf_parallel = .TRUE.
270	ELSE
271	netcdf_parallel = .FALSE.
272	ENDIF
273	ELSE
274	netcdf_output = .FALSE.
275	ENDIF
276
277	!
278	!-- Info-output
279	PRINT*, ''
280	#if defined( __netcdf )
281	IF ( netcdf_output ) THEN
282	IF ( netcdf_parallel ) THEN
283	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
284	'(NetCDF4-format) - merging not neccessary'
285	ELSE
286	PRINT*, ' NetCDF output enabled'
287	ENDIF
288	ENDIF
289	#else
290	IF ( netcdf_output ) THEN
291	PRINT*, '--- Sorry, no NetCDF support on this host'
292	netcdf_output = .FALSE.
293	ENDIF
294	#endif
295	IF ( .NOT. netcdf_parallel ) THEN
296	IF ( danz /= 0 ) THEN
297	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
298	ELSE
299	PRINT*, ' no ', modus, '-section data available'
300	ENDIF
301	ENDIF
302
303	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
304	THEN
305	#if defined( __netcdf )
306	DO av = 0, 1
307
308	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
309	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
310
311	!
312	!-- Open NetCDF dataset
313	IF ( av == 0 ) THEN
314	filename = 'DATA_2D_'//modus//'_NETCDF' &
315	//TRIM( model_string )
316	ELSE
317	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
318	//TRIM( model_string )
319	ENDIF
320	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
321	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
322
323	!
324	!-- Get the list of variables (order of variables corresponds with
325	!-- the order of data on the binary file)
326	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
327	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
328	var_list(av) )
329	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
330
331	!
332	!-- Inquire id of the time coordinate variable
333	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
334	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
335
336	!
337	!-- Count number of variables; there is one more semicolon in the
338	!-- string than variable names
339	num_var(av) = -1
340	DO i = 1, LEN( var_list(av) )
341	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
342	ENDDO
343
344	!
345	!-- Extract the variable names from the list and inquire their
346	!-- NetCDF IDs
347	pos = INDEX( var_list(av), ';' )
348	!
349	!-- Loop over all variables
350	DO i = 1, num_var(av)
351
352	!
353	!-- Extract variable name from list
354	var_list(av) = var_list(av)(pos+1:)
355	pos = INDEX( var_list(av), ';' )
356	var_name = var_list(av)(1:pos-1)
357
358	!
359	!-- Get variable ID from name
360	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
361	id_var(av,i) )
362	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
363
364	!
365	!-- Get number of x/y/z levels for that variable
366	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
367	dimids = id_dims_loc )
368	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
369	id_dims(av,:) = id_dims_loc
370
371	!
372	!-- Inquire dimension ID
373	DO j = 1, 4
374	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
375	id_dims(av,j), dimname, levels(av,i) )
376	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
377
378	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
379	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
380	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
381	ENDDO
382
383	ENDDO
384
385	ENDDO ! av = 0, 1
386
387	#endif
388	ENDIF
389
390	!
391	!-- Read the arrays, as long as the end of the file is reached
392	IF ( .NOT. netcdf_parallel ) THEN
393
394	fanz = 0
395	current_level = 1
396	current_var = 999999999
397
398	DO WHILE ( danz /= 0 )
399
400	!
401	!-- Loop over all files (reading data of the subdomains)
402	DO id = 0, danz-1
403	!
404	!-- File from PE0 contains special information at the beginning,
405	!-- concerning the lower and upper indices of the total-domain
406	!-- used in PALM (nxa, nxe, nya, nye).
407	!-- Allocate necessary arrays, open the output file and write
408	!-- the coordinate informations needed by ISO2D.
409	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
410
411	READ ( id+110 ) nxa, nxe, nya, nye
412	ALLOCATE ( pf(nxa:nxe,nya:nye) )
413	!
414	!-- Set actual domain bounds to total domain
415	ya_do = nya
416	ye_do = nye
417
418	ENDIF
419	!
420	!-- Read output time
421	IF ( netcdf_output .AND. id == 0 ) THEN
422	READ ( id+110, END=998 ) simulated_time, time_step, av
423	ENDIF
424	!
425	!-- Read subdomain indices
426	READ ( id+110, END=998 ) xa, xe, ya, ye, ya_tot, ye_tot
427
428	!
429	!-- IF the PE made no output (in case that no part of the
430	!-- cross-section is situated on this PE), indices have the
431	!-- value -1
432	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
433	ya == -1 .AND. ye == -1 ) ) THEN
434
435
436	!
437	!-- Read the subdomain grid-point values
438	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
439	READ ( id+110 ) pf_tmp
440	!
441	!-- Calculate indices on atmospheric grid (e.g. for soil model
442	!-- quantities)
443	IF ( ya /= ya_tot .OR. ye /= ye_tot ) THEN
444	ye_do = ye - ya
445	ya_do = ya
446	pf(xa:xe,ya_do:ye_do) = pf_tmp
447	ELSE
448	ye_do = nye
449	ya_do = nya
450	pf(xa:xe,ya:ye) = pf_tmp
451	ENDIF
452
453	DEALLOCATE( pf_tmp )
454	ENDIF
455	IF ( id == 0 ) fanz(av) = fanz(av) + 1
456
457	ENDDO
458	!
459	!-- Write data in NetCDF format
460	IF ( netcdf_output ) THEN
461	#if defined( __netcdf )
462	!
463	!-- Check if a new time step has begun; if yes write data to
464	!-- time axis
465	IF ( current_var(av) > num_var(av) ) THEN
466	current_var(av) = 1
467	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
468	(/ simulated_time /), &
469	start = (/ time_step /), &
470	count = (/ 1 /) )
471	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
472	ENDIF
473
474	!
475	!-- Now write the data; this is mode dependent
476	SELECT CASE ( modus )
477
478	CASE ( 'XY' )
479	nc_stat = NF90_PUT_VAR( id_set(av), &
480	id_var(av,current_var(av)), &
481	pf(nxa:nxe,nya:nye), &
482	start = (/ 1, 1, current_level(av), time_step /), &
483	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
484	IF ( nc_stat /= NF90_NOERR ) THEN
485	CALL handle_netcdf_error( 8 )
486	ENDIF
487
488	CASE ( 'XZ' )
489	nc_stat = NF90_PUT_VAR( id_set(av), &
490	id_var(av,current_var(av)), &
491	pf(nxa:nxe,ya_do:ye_do), &
492	start = (/ 1, current_level(av), 1, time_step /), &
493	count = (/ nxe-nxa+1, 1, ye_do-ya_do+1, 1 /) )
494	IF ( nc_stat /= NF90_NOERR ) THEN
495	CALL handle_netcdf_error( 9 )
496	ENDIF
497
498	CASE ( 'YZ' )
499	nc_stat = NF90_PUT_VAR( id_set(av), &
500	id_var(av,current_var(av)), &
501	pf(nxa:nxe,ya_do:ye_do), &
502	start = (/ current_level(av), 1, 1, time_step /), &
503	count = (/ 1, nxe-nxa+1, ye_do-ya_do+1, 1 /) )
504	IF ( nc_stat /= NF90_NOERR ) THEN
505	CALL handle_netcdf_error( 10 )
506	ENDIF
507
508	END SELECT
509
510	!
511	!-- Data is written, check if max level is reached
512	current_level(av) = current_level(av) + 1
513	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
514	current_level(av) = 1
515	current_var(av) = current_var(av) + 1
516	ENDIF
517
518	#endif
519	ENDIF
520
521	ENDDO
522
523	ENDIF
524
525	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
526	!
527	!-- Print the number of the arrays processed
528	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
529	IF ( fanz(1) /= 0 ) THEN
530	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
531	ENDIF
532
533	!
534	!-- Close all files and deallocate arrays
535	DO id = 0, danz-1
536	CLOSE ( id+110 )
537	ENDDO
538	CLOSE ( 2 )
539	DEALLOCATE ( pf )
540
541	!
542	!-- Close the NetCDF file
543	IF ( netcdf_output ) THEN
544	#if defined( __netcdf )
545	IF ( netcdf_0 ) THEN
546	nc_stat = NF90_CLOSE( id_set(0) )
547	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
548	ENDIF
549	IF ( netcdf_1 ) THEN
550	nc_stat = NF90_CLOSE( id_set(1) )
551	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
552	ENDIF
553	#endif
554	ENDIF
555	ENDIF
556
557	!
558	!-- Output required cpu time
559	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
560	CALL SYSTEM_CLOCK( count, count_rate )
561	cpu_end_time = REAL( count ) / REAL( count_rate )
562	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
563	cpu_end_time-cpu_start_time, ' sec'
564	ENDIF
565
566	!
567	!-- Choose the next cross-section
568	SELECT CASE ( modus )
569	CASE ( 'XY' )
570	modus = 'XZ'
571	CASE ( 'XZ' )
572	modus = 'YZ'
573	CASE ( 'YZ' )
574	modus = 'no'
575	END SELECT
576
577	ENDDO
578
579
580	!
581	!-- Combine the 3D-arrays
582	netcdf_parallel = .FALSE.
583
584	!
585	!-- Info-output
586	PRINT*, ' '
587
588	!
589	!-- Take current time
590	CALL SYSTEM_CLOCK( count, count_rate )
591	cpu_start_time = REAL( count ) / REAL( count_rate )
592
593	!
594	!-- Inquire whether a NetCDF file exists
595	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
596
597	!
598	!-- Inquire whether a NetCDF file for time-averaged data exists
599	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
600
601	IF ( netcdf_0 .OR. netcdf_1 ) THEN
602	netcdf_output = .TRUE.
603	!
604	!-- Inquire whether the NetCDF file is already complete (parallel output)
605	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
606	IF ( netcdf_parallel ) THEN
607	netcdf_parallel = .TRUE.
608	ELSE
609	netcdf_parallel = .FALSE.
610	ENDIF
611	ELSE
612	netcdf_output = .FALSE.
613	ENDIF
614
615	!
616	!-- Check, if file from PE0 exists; not neccessary in case of parallel
617	!-- PALM output
618	IF ( .NOT. netcdf_parallel ) THEN
619	danz = 0
620	WRITE (id_string,'(I6.6)') danz
621	INQUIRE ( &
622	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
623	EXIST=found )
624	ELSE
625	found = .FALSE.
626	ENDIF
627
628	!
629	!-- Find out the number of files and open them
630	DO WHILE ( found )
631
632	OPEN ( danz+110, &
633	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
634	FORM='UNFORMATTED')
635	danz = danz + 1
636	WRITE (id_string,'(I6.6)') danz
637	INQUIRE ( &
638	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
639	EXIST=found )
640
641	ENDDO
642
643	#if defined( __netcdf )
644	IF ( netcdf_output ) THEN
645	IF ( netcdf_parallel ) THEN
646	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
647	' - merging not neccessary'
648	ELSE
649	PRINT*, ' NetCDF output enabled'
650	ENDIF
651	ENDIF
652	#else
653	IF ( netcdf_output ) THEN
654	PRINT*, '--- Sorry, no NetCDF support on this host'
655	netcdf_output = .FALSE.
656	ENDIF
657	#endif
658	IF ( .NOT. netcdf_parallel ) THEN
659	IF ( danz /= 0 ) THEN
660	PRINT*, ' 3D-data: ', danz, ' file(s) found'
661	ELSE
662	PRINT*, ' no 3D-data file available'
663	ENDIF
664	ENDIF
665
666	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
667	#if defined( __netcdf )
668	DO av = 0, 1
669
670	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
671	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
672
673	!
674	!-- Open NetCDF dataset
675	IF ( av == 0 ) THEN
676	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
677	ELSE
678	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
679	ENDIF
680	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
681	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
682
683
684	!
685	!-- Get the list of variables (order of variables corresponds with the
686	!-- order of data on the binary file)
687	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
688	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
689	var_list(av) )
690	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
691
692	!
693	!-- Inquire id of the time coordinate variable
694	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
695	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
696
697	!
698	!-- Count number of variables; there is one more semicolon in the
699	!-- string than variable names
700	num_var(av) = -1
701	DO i = 1, LEN( var_list(av) )
702	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
703	ENDDO
704
705	!
706	!-- Extract the variable names from the list and inquire their NetCDF
707	!-- IDs
708	pos = INDEX( var_list(av), ';' )
709	!
710	!-- Loop over all variables
711	DO i = 1, num_var(av)
712
713	!
714	!-- Extract variable name from list
715	var_list(av) = var_list(av)(pos+1:)
716	pos = INDEX( var_list(av), ';' )
717	var_name = var_list(av)(1:pos-1)
718
719	!
720	!-- Get variable ID from name
721	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
722	id_var(av,i) )
723	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
724
725	ENDDO
726
727	ENDDO ! av=0,1
728
729	#endif
730	ENDIF
731
732	!
733	!-- Read arrays, until the end of the file is reached
734	IF ( .NOT. netcdf_parallel ) THEN
735
736	current_var = 999999999
737	fanz = 0
738	DO WHILE ( danz /= 0 )
739
740	!
741	!-- Loop over all files
742	DO id = 0, danz-1
743	!
744	!-- File from PE0 contains at the beginning the index bounds
745	!-- of PALM's total domain.
746	!-- Allocate the array for storing the total domain data
747	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
748	! READ ( id+110 ) nxag, nxeg, nyag, nyeg
749	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
750	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
751	ENDIF
752
753	!
754	!-- Read output time
755	IF ( netcdf_output .AND. id == 0 ) THEN
756	IF ( netcdf_1 ) THEN
757	READ ( id+110, END=999 ) simulated_time, time_step, av
758	ELSE
759	!
760	!-- For compatibility with earlier PALM versions
761	READ ( id+110, END=999 ) simulated_time, time_step
762	av = 0
763	ENDIF
764	ENDIF
765
766	!
767	!-- Read subdomain indices and grid point values
768	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
769	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
770	READ ( id+110 ) pf3d_tmp
771
772	xxa = MAX( nxa, xa )
773	xxe = MIN( nxe, xe )
774	yya = MAX( nya, ya )
775	yye = MIN( nye, ye )
776	DO k = za, ze
777	DO j = yya, yye
778	DO i = xxa, xxe
779	pf3d(i,j,k) = pf3d_tmp(i,j,k)
780	ENDDO
781	ENDDO
782	ENDDO
783
784	DEALLOCATE( pf3d_tmp )
785	IF ( id == 0 ) fanz(av) = fanz(av) + 1
786
787	ENDDO
788
789	!
790	!-- Write data of the total domain in NetCDF format
791	IF ( netcdf_output ) THEN
792	#if defined( __netcdf )
793	!
794	!-- Check if a new time step has begun; if yes write data to time
795	!-- axis
796	IF ( current_var(av) > num_var(av) ) THEN
797	current_var(av) = 1
798	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
799	(/ simulated_time /),&
800	start = (/ time_step /), count = (/ 1 /) )
801	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
802	ENDIF
803
804	!
805	!-- Now write the data
806	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
807	pf3d(nxa:nxe,nya:nye,za:ze), start = (/ 1, 1, 1, time_step /),&
808	count = (/ nxe-nxa+1, nye-nya+1, ze-za+1, 1 /) )
809	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
810
811	current_var(av) = current_var(av) + 1
812
813	#endif
814	ENDIF
815
816	ENDDO
817
818	ENDIF
819
820	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
821	!
822	!-- Print the number of arrays processed
823	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
824	IF ( fanz(1) /= 0 ) THEN
825	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
826	ENDIF
827	!
828	!-- Close all files and deallocate array
829	DO id = 0, danz-1
830	CLOSE ( id+110 )
831	ENDDO
832	CLOSE ( 2 )
833	DEALLOCATE ( pf3d )
834	!
835	!-- Close the NetCDF file
836	IF ( netcdf_output ) THEN
837	#if defined( __netcdf )
838	IF ( netcdf_0 ) THEN
839	nc_stat = NF90_CLOSE( id_set(0) )
840	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
841	ENDIF
842	IF ( netcdf_1 ) THEN
843	nc_stat = NF90_CLOSE( id_set(1) )
844	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
845	ENDIF
846	#endif
847	ENDIF
848
849	!
850	!-- Output required cpu time
851	CALL SYSTEM_CLOCK( count, count_rate )
852	cpu_end_time = REAL( count ) / REAL( count_rate )
853	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
854	cpu_end_time-cpu_start_time, ' sec'
855
856	ENDIF
857
858	ENDDO ! models
859
860
861	CONTAINS
862
863
864	SUBROUTINE handle_netcdf_error( errno )
865	!
866	!-- Prints out a text message corresponding to the current NetCDF status
867
868	IMPLICIT NONE
869
870	INTEGER, INTENT(IN) :: errno
871
872	#if defined( __netcdf )
873	IF ( nc_stat /= NF90_NOERR ) THEN
874	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
875	TRIM( nf90_strerror( nc_stat ) )
876	ENDIF
877	#endif
878
879	END SUBROUTINE handle_netcdf_error
880
881
882	END PROGRAM combine_plot_fields
883
884
885

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