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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 2669

Last change on this file since 2669 was 2669, checked in by raasch, 6 years ago
file attributes and activation strings in .palm.iofiles revised, file extensions for nesting, masked output, wind turbine data, etc. changed
Property svn:keywords set to `Id`
File size: 29.9 KB

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

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