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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 2563

Last change on this file since 2563 was 2523, checked in by kanani, 7 years ago
Added .palm.config.idefix, and bugfix in combine_plot_fields
Property svn:keywords set to `Id`
File size: 29.4 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 2523 2017-10-05 14:42:47Z Giersch $
27	! Increased LEN for CHARACTER variable var_name, equal to the value in PALM
28	!
29	! 2512 2017-10-04 08:26:59Z raasch
30	! PALM output does not contain ghost layer data any more
31	! avs- and iso2d-related parts removed, handling of compressed data removed
32	!
33	! 2365 2017-08-21 14:59:59Z kanani
34	! Vertical grid nesting implemented (SadiqHuq)
35	!
36	! 1809 2016-04-05 20:13:28Z raasch
37	!
38	! 1808 2016-04-05 19:44:00Z raasch
39	! cpu measurements are done with standard FORTRAN routine on every machine
40	!
41	! 1551 2015-03-03 14:18:16Z maronga
42	! Adjustments for data output of soil model quantities
43	!
44	! 1468 2014-09-24 14:06:57Z maronga
45	! Adapted for use on up to 6-digit processor cores (not tested)
46	!
47	! 1394 2014-05-06 10:17:31Z keck
48	! KIND-attribute added to all INTEGER and REAL declaration statements
49	!
50	! 1046 2012-11-09 14:38:45Z maronga
51	! code put under GPL (PALM 3.9)
52	!
53	! 691 2011-03-04 08:45:30Z maronga
54	! Bugfix: check for precursor ocean runs, removed typo
55	!
56	! 493 2010-03-01 08:30:24Z raasch
57	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
58	! cpu measurements included
59	!
60	! 210 2008-11-06 08:54:02Z raasch
61	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
62	! all three dimensions), because output of a subset of the data
63	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
64	! with the INTEL compiler.
65	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
66	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
67	! Bugfix: three misplaced #endif directives
68	!
69	! 114 2007-10-10 00:03:15Z raasch
70	! Bugfix: model_string needed a default value
71	!
72	! Aug 07 Loop for processing of output by coupled runs, id_string does not
73	! contain modus any longer
74	!
75	! 18/01/06 Output of time-averaged data
76	!
77	! 25/05/05 Errors removed
78	!
79	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
80	! file exists
81	!
82	! 31/10/01 All comments and messages translated into English
83	!
84	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
85	! Ursprungsversion vom 28/07/97
86	!
87	!
88	! Description:
89	! ------------
90	! This routine combines data of the PALM-subdomains into one file. In PALM
91	! every processor element opens its own file and writes 2D- or 3D-binary-data
92	! into it (different files are opened for xy-, xz-, yz-cross-sections and
93	! 3D-data). For plotting or analyzing these PE-data have to be collected and
94	! to be put into single files, which is done by this routine.
95	! Output format is NetCDF. Additionally, a data are output in a binary format
96	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
97	!------------------------------------------------------------------------------!
98
99	#if defined( __netcdf )
100	USE netcdf
101	#endif
102
103	IMPLICIT NONE
104
105	!
106	!-- Local variables
107	CHARACTER (LEN=2) :: modus, model_string
108	CHARACTER (LEN=6) :: id_string
109	CHARACTER (LEN=30) :: dimname, var_name
110	CHARACTER (LEN=40) :: filename
111
112	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
113
114	INTEGER, PARAMETER :: iwp = 4, spk = SELECTED_REAL_KIND( 6 ), wp = 8
115
116	INTEGER(iwp) :: av, danz, i, id, j, k, model, models, nc_stat, &
117	nxa, nxag, nxe, nxeg, nya, nyag, nye, nyeg, &
118	nza, nze, pos, time_step, &
119	xa, xe, xxa, xxe, ya, ya_do, ya_tot, ye, ye_do, ye_tot, yya, yye, za, &
120	ze, zza, zze
121
122	INTEGER(8) :: count, count_rate
123
124	INTEGER(iwp), DIMENSION(0:1) :: current_level, current_var, &
125	fanz, id_set, id_var_time, num_var
126	INTEGER(iwp), DIMENSION(4) :: id_dims_loc
127	INTEGER(iwp), DIMENSION(0:1,4) :: id_dims
128	INTEGER(iwp), DIMENSION(0:1,1000) :: id_var, levels
129
130	LOGICAL :: found, netcdf_output, netcdf_parallel, netcdf_0, netcdf_1
131	LOGICAL :: vnest
132
133	REAL(wp) :: cpu_start_time, cpu_end_time, dx, simulated_time
134	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
135	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
136
137
138
139	PRINT*, ''
140	PRINT*, ''
141	PRINT, ' combine_plot_fields *'
142
143	!
144	!-- Find out if a coupled run has been carried out
145	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
146	INQUIRE( FILE='VNESTING_PORT_OPENED', EXIST=vnest )
147	IF ( found ) THEN
148	models = 2
149	PRINT*, ' coupled run'
150	ELSEIF ( vnest ) THEN
151	models = 2
152	PRINT*, ' Vertically nested grid coupling'
153	ELSE
154	models = 1
155	PRINT*, ' uncoupled run'
156	ENDIF
157
158	!
159	!-- Find out if a precursor ocean run has been carried out
160	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
161	IF ( found ) THEN
162	model_string = '_O'
163	PRINT*, ' precursor ocean run'
164	ELSE
165	model_string = ''
166	ENDIF
167
168	!
169	!-- Do everything for each model
170	DO model = 1, models
171	!
172	!-- Set the model string used to identify the filenames
173	IF ( models == 2 ) THEN
174	PRINT*, ''
175	PRINT, ' combine_plot_fields *'
176	IF ( model == 2 ) THEN
177	IF ( vnest ) THEN
178	model_string = '_N'
179	PRINT*, ' now combining FINE data'
180	PRINT*, ' ========================'
181	ELSE
182	model_string = '_O'
183	PRINT*, ' now combining ocean data'
184	PRINT*, ' ========================'
185	ENDIF
186	ELSE
187	IF ( vnest ) THEN
188	PRINT*, ' now combining COARSE data'
189	PRINT*, ' ============================='
190	ELSE
191	PRINT*, ' now combining atmosphere data'
192	PRINT*, ' ============================='
193	ENDIF
194	ENDIF
195	ENDIF
196	!
197	!-- 2D-arrays for ISO2D
198	!-- Main loop for the three different cross-sections, starting with
199	!-- xy-section
200	modus = 'XY'
201	PRINT*, ''
202	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
203	!
204	!-- Take current time
205	CALL SYSTEM_CLOCK( count, count_rate )
206	cpu_start_time = REAL( count ) / REAL( count_rate )
207
208	netcdf_parallel = .FALSE.
209	!
210	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
211	!-- create any output for this cross-section.
212	danz = 0
213	WRITE (id_string,'(I6.6)') danz
214	INQUIRE ( &
215	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
216	EXIST=found )
217	!
218	!-- Find out the number of files (equal to the number of PEs which
219	!-- have been used in PALM) and open them
220	DO WHILE ( found )
221
222	OPEN ( danz+110, &
223	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
224	FORM='UNFORMATTED' )
225	danz = danz + 1
226	WRITE (id_string,'(I6.6)') danz
227	INQUIRE ( &
228	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
229	EXIST=found )
230
231	ENDDO
232
233	!
234	!-- Inquire whether a NetCDF file exists
235	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
236	EXIST=netcdf_0 )
237
238	!
239	!-- Inquire whether a NetCDF file for time-averaged data exists
240	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
241	EXIST=netcdf_1 )
242
243	IF ( netcdf_0 .OR. netcdf_1 ) THEN
244	netcdf_output = .TRUE.
245	!
246	!-- Inquire whether the NetCDF file is already complete (parallel
247	!-- output)
248	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
249	EXIST=netcdf_parallel )
250	IF ( netcdf_parallel ) THEN
251	netcdf_parallel = .TRUE.
252	ELSE
253	netcdf_parallel = .FALSE.
254	ENDIF
255	ELSE
256	netcdf_output = .FALSE.
257	ENDIF
258
259	!
260	!-- Info-output
261	PRINT*, ''
262	PRINT, ' combine_plot_fields *'
263	#if defined( __netcdf )
264	IF ( netcdf_output ) THEN
265	IF ( netcdf_parallel ) THEN
266	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
267	'(NetCDF4-format) - merging not neccessary'
268	ELSE
269	PRINT*, ' NetCDF output enabled'
270	ENDIF
271	ENDIF
272	#else
273	IF ( netcdf_output ) THEN
274	PRINT*, '--- Sorry, no NetCDF support on this host'
275	netcdf_output = .FALSE.
276	ENDIF
277	#endif
278	IF ( .NOT. netcdf_parallel ) THEN
279	IF ( danz /= 0 ) THEN
280	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
281	ELSE
282	PRINT*, ' no ', modus, '-section data available'
283	ENDIF
284	ENDIF
285
286	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
287	THEN
288	#if defined( __netcdf )
289	DO av = 0, 1
290
291	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
292	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
293
294	!
295	!-- Open NetCDF dataset
296	IF ( av == 0 ) THEN
297	filename = 'DATA_2D_'//modus//'_NETCDF' &
298	//TRIM( model_string )
299	ELSE
300	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
301	//TRIM( model_string )
302	ENDIF
303	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
304	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
305
306	!
307	!-- Get the list of variables (order of variables corresponds with
308	!-- the order of data on the binary file)
309	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
310	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
311	var_list(av) )
312	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
313
314	!
315	!-- Inquire id of the time coordinate variable
316	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
317	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
318
319	!
320	!-- Count number of variables; there is one more semicolon in the
321	!-- string than variable names
322	num_var(av) = -1
323	DO i = 1, LEN( var_list(av) )
324	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
325	ENDDO
326
327	!
328	!-- Extract the variable names from the list and inquire their
329	!-- NetCDF IDs
330	pos = INDEX( var_list(av), ';' )
331	!
332	!-- Loop over all variables
333	DO i = 1, num_var(av)
334
335	!
336	!-- Extract variable name from list
337	var_list(av) = var_list(av)(pos+1:)
338	pos = INDEX( var_list(av), ';' )
339	var_name = var_list(av)(1:pos-1)
340
341	!
342	!-- Get variable ID from name
343	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
344	id_var(av,i) )
345	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
346
347	!
348	!-- Get number of x/y/z levels for that variable
349	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
350	dimids = id_dims_loc )
351	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
352	id_dims(av,:) = id_dims_loc
353
354	!
355	!-- Inquire dimension ID
356	DO j = 1, 4
357	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
358	id_dims(av,j), dimname, levels(av,i) )
359	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
360
361	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
362	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
363	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
364	ENDDO
365
366	ENDDO
367
368	ENDDO ! av = 0, 1
369
370	#endif
371	ENDIF
372
373	!
374	!-- Read the arrays, as long as the end of the file is reached
375	IF ( .NOT. netcdf_parallel ) THEN
376
377	fanz = 0
378	current_level = 1
379	current_var = 999999999
380
381	DO WHILE ( danz /= 0 )
382
383	!
384	!-- Loop over all files (reading data of the subdomains)
385	DO id = 0, danz-1
386	!
387	!-- File from PE0 contains special information at the beginning,
388	!-- concerning the lower and upper indices of the total-domain
389	!-- used in PALM (nxa, nxe, nya, nye).
390	!-- Allocate necessary arrays, open the output file and write
391	!-- the coordinate informations needed by ISO2D.
392	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
393
394	READ ( id+110 ) nxa, nxe, nya, nye
395	ALLOCATE ( pf(nxa:nxe,nya:nye) )
396	!
397	!-- Set actual domain bounds to total domain
398	ya_do = nya
399	ye_do = nye
400
401	ENDIF
402	!
403	!-- Read output time
404	IF ( netcdf_output .AND. id == 0 ) THEN
405	READ ( id+110, END=998 ) simulated_time, time_step, av
406	ENDIF
407	!
408	!-- Read subdomain indices
409	READ ( id+110, END=998 ) xa, xe, ya, ye, ya_tot, ye_tot
410
411	!
412	!-- IF the PE made no output (in case that no part of the
413	!-- cross-section is situated on this PE), indices have the
414	!-- value -1
415	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
416	ya == -1 .AND. ye == -1 ) ) THEN
417
418
419	!
420	!-- Read the subdomain grid-point values
421	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
422	READ ( id+110 ) pf_tmp
423	!
424	!-- Calculate indices on atmospheric grid (e.g. for soil model
425	!-- quantities)
426	IF ( ya /= ya_tot .OR. ye /= ye_tot ) THEN
427	ye_do = ye - ya
428	ya_do = ya
429	pf(xa:xe,ya_do:ye_do) = pf_tmp
430	ELSE
431	ye_do = nye
432	ya_do = nya
433	pf(xa:xe,ya:ye) = pf_tmp
434	ENDIF
435
436	DEALLOCATE( pf_tmp )
437	ENDIF
438	IF ( id == 0 ) fanz(av) = fanz(av) + 1
439
440	ENDDO
441	!
442	!-- Write data in NetCDF format
443	IF ( netcdf_output ) THEN
444	#if defined( __netcdf )
445	!
446	!-- Check if a new time step has begun; if yes write data to
447	!-- time axis
448	IF ( current_var(av) > num_var(av) ) THEN
449	current_var(av) = 1
450	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
451	(/ simulated_time /), &
452	start = (/ time_step /), &
453	count = (/ 1 /) )
454	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
455	ENDIF
456
457	!
458	!-- Now write the data; this is mode dependent
459	SELECT CASE ( modus )
460
461	CASE ( 'XY' )
462	nc_stat = NF90_PUT_VAR( id_set(av), &
463	id_var(av,current_var(av)), &
464	pf(nxa:nxe,nya:nye), &
465	start = (/ 1, 1, current_level(av), time_step /), &
466	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
467	IF ( nc_stat /= NF90_NOERR ) THEN
468	CALL handle_netcdf_error( 8 )
469	ENDIF
470
471	CASE ( 'XZ' )
472	nc_stat = NF90_PUT_VAR( id_set(av), &
473	id_var(av,current_var(av)), &
474	pf(nxa:nxe,ya_do:ye_do), &
475	start = (/ 1, current_level(av), 1, time_step /), &
476	count = (/ nxe-nxa+1, 1, ye_do-ya_do+1, 1 /) )
477	IF ( nc_stat /= NF90_NOERR ) THEN
478	CALL handle_netcdf_error( 9 )
479	ENDIF
480
481	CASE ( 'YZ' )
482	nc_stat = NF90_PUT_VAR( id_set(av), &
483	id_var(av,current_var(av)), &
484	pf(nxa:nxe,ya_do:ye_do), &
485	start = (/ current_level(av), 1, 1, time_step /), &
486	count = (/ 1, nxe-nxa+1, ye_do-ya_do+1, 1 /) )
487	IF ( nc_stat /= NF90_NOERR ) THEN
488	CALL handle_netcdf_error( 10 )
489	ENDIF
490
491	END SELECT
492
493	!
494	!-- Data is written, check if max level is reached
495	current_level(av) = current_level(av) + 1
496	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
497	current_level(av) = 1
498	current_var(av) = current_var(av) + 1
499	ENDIF
500
501	#endif
502	ENDIF
503
504	ENDDO
505
506	ENDIF
507
508	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
509	!
510	!-- Print the number of the arrays processed
511	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
512	IF ( fanz(1) /= 0 ) THEN
513	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
514	ENDIF
515
516	!
517	!-- Close all files and deallocate arrays
518	DO id = 0, danz-1
519	CLOSE ( id+110 )
520	ENDDO
521	CLOSE ( 2 )
522	DEALLOCATE ( pf )
523
524	!
525	!-- Close the NetCDF file
526	IF ( netcdf_output ) THEN
527	#if defined( __netcdf )
528	IF ( netcdf_0 ) THEN
529	nc_stat = NF90_CLOSE( id_set(0) )
530	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
531	ENDIF
532	IF ( netcdf_1 ) THEN
533	nc_stat = NF90_CLOSE( id_set(1) )
534	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
535	ENDIF
536	#endif
537	ENDIF
538	ENDIF
539
540	!
541	!-- Output required cpu time
542	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
543	CALL SYSTEM_CLOCK( count, count_rate )
544	cpu_end_time = REAL( count ) / REAL( count_rate )
545	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
546	cpu_end_time-cpu_start_time, ' sec'
547	ENDIF
548
549	!
550	!-- Choose the next cross-section
551	SELECT CASE ( modus )
552	CASE ( 'XY' )
553	modus = 'XZ'
554	CASE ( 'XZ' )
555	modus = 'YZ'
556	CASE ( 'YZ' )
557	modus = 'no'
558	END SELECT
559
560	ENDDO
561
562
563	!
564	!-- Combine the 3D-arrays
565	netcdf_parallel = .FALSE.
566
567	!
568	!-- Info-output
569	PRINT*, ' '
570	PRINT, ' combine_plot_fields *'
571
572	!
573	!-- Take current time
574	CALL SYSTEM_CLOCK( count, count_rate )
575	cpu_start_time = REAL( count ) / REAL( count_rate )
576
577	!
578	!-- Inquire whether a NetCDF file exists
579	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
580
581	!
582	!-- Inquire whether a NetCDF file for time-averaged data exists
583	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
584
585	IF ( netcdf_0 .OR. netcdf_1 ) THEN
586	netcdf_output = .TRUE.
587	!
588	!-- Inquire whether the NetCDF file is already complete (parallel output)
589	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
590	IF ( netcdf_parallel ) THEN
591	netcdf_parallel = .TRUE.
592	ELSE
593	netcdf_parallel = .FALSE.
594	ENDIF
595	ELSE
596	netcdf_output = .FALSE.
597	ENDIF
598
599	!
600	!-- Check, if file from PE0 exists; not neccessary in case of parallel
601	!-- PALM output
602	IF ( .NOT. netcdf_parallel ) THEN
603	danz = 0
604	WRITE (id_string,'(I6.6)') danz
605	INQUIRE ( &
606	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
607	EXIST=found )
608	ELSE
609	found = .FALSE.
610	ENDIF
611
612	!
613	!-- Find out the number of files and open them
614	DO WHILE ( found )
615
616	OPEN ( danz+110, &
617	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
618	FORM='UNFORMATTED')
619	danz = danz + 1
620	WRITE (id_string,'(I6.6)') danz
621	INQUIRE ( &
622	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
623	EXIST=found )
624
625	ENDDO
626
627	#if defined( __netcdf )
628	IF ( netcdf_output ) THEN
629	IF ( netcdf_parallel ) THEN
630	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
631	' - merging not neccessary'
632	ELSE
633	PRINT*, ' NetCDF output enabled'
634	ENDIF
635	ENDIF
636	#else
637	IF ( netcdf_output ) THEN
638	PRINT*, '--- Sorry, no NetCDF support on this host'
639	netcdf_output = .FALSE.
640	ENDIF
641	#endif
642	IF ( .NOT. netcdf_parallel ) THEN
643	IF ( danz /= 0 ) THEN
644	PRINT*, ' 3D-data: ', danz, ' file(s) found'
645	ELSE
646	PRINT*, ' no 3D-data file available'
647	ENDIF
648	ENDIF
649
650	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
651	#if defined( __netcdf )
652	DO av = 0, 1
653
654	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
655	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
656
657	!
658	!-- Open NetCDF dataset
659	IF ( av == 0 ) THEN
660	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
661	ELSE
662	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
663	ENDIF
664	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
665	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
666
667
668	!
669	!-- Get the list of variables (order of variables corresponds with the
670	!-- order of data on the binary file)
671	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
672	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
673	var_list(av) )
674	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
675
676	!
677	!-- Inquire id of the time coordinate variable
678	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
679	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
680
681	!
682	!-- Count number of variables; there is one more semicolon in the
683	!-- string than variable names
684	num_var(av) = -1
685	DO i = 1, LEN( var_list(av) )
686	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
687	ENDDO
688
689	!
690	!-- Extract the variable names from the list and inquire their NetCDF
691	!-- IDs
692	pos = INDEX( var_list(av), ';' )
693	!
694	!-- Loop over all variables
695	DO i = 1, num_var(av)
696
697	!
698	!-- Extract variable name from list
699	var_list(av) = var_list(av)(pos+1:)
700	pos = INDEX( var_list(av), ';' )
701	var_name = var_list(av)(1:pos-1)
702
703	!
704	!-- Get variable ID from name
705	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
706	id_var(av,i) )
707	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
708
709	ENDDO
710
711	ENDDO ! av=0,1
712
713	#endif
714	ENDIF
715
716	!
717	!-- Read arrays, until the end of the file is reached
718	IF ( .NOT. netcdf_parallel ) THEN
719
720	current_var = 999999999
721	fanz = 0
722	DO WHILE ( danz /= 0 )
723
724	!
725	!-- Loop over all files
726	DO id = 0, danz-1
727	!
728	!-- File from PE0 contains at the beginning the index bounds
729	!-- of PALM's total domain.
730	!-- Allocate the array for storing the total domain data
731	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
732	! READ ( id+110 ) nxag, nxeg, nyag, nyeg
733	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
734	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
735	ENDIF
736
737	!
738	!-- Read output time
739	IF ( netcdf_output .AND. id == 0 ) THEN
740	IF ( netcdf_1 ) THEN
741	READ ( id+110, END=999 ) simulated_time, time_step, av
742	ELSE
743	!
744	!-- For compatibility with earlier PALM versions
745	READ ( id+110, END=999 ) simulated_time, time_step
746	av = 0
747	ENDIF
748	ENDIF
749
750	!
751	!-- Read subdomain indices and grid point values
752	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
753	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
754	READ ( id+110 ) pf3d_tmp
755
756	xxa = MAX( nxa, xa )
757	xxe = MIN( nxe, xe )
758	yya = MAX( nya, ya )
759	yye = MIN( nye, ye )
760	DO k = za, ze
761	DO j = yya, yye
762	DO i = xxa, xxe
763	pf3d(i,j,k) = pf3d_tmp(i,j,k)
764	ENDDO
765	ENDDO
766	ENDDO
767
768	DEALLOCATE( pf3d_tmp )
769	IF ( id == 0 ) fanz(av) = fanz(av) + 1
770
771	ENDDO
772
773	!
774	!-- Write data of the total domain in NetCDF format
775	IF ( netcdf_output ) THEN
776	#if defined( __netcdf )
777	!
778	!-- Check if a new time step has begun; if yes write data to time
779	!-- axis
780	IF ( current_var(av) > num_var(av) ) THEN
781	current_var(av) = 1
782	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
783	(/ simulated_time /),&
784	start = (/ time_step /), count = (/ 1 /) )
785	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
786	ENDIF
787
788	!
789	!-- Now write the data
790	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
791	pf3d(nxa:nxe,nya:nye,za:ze), start = (/ 1, 1, 1, time_step /),&
792	count = (/ nxe-nxa+1, nye-nya+1, ze-za+1, 1 /) )
793	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
794
795	current_var(av) = current_var(av) + 1
796
797	#endif
798	ENDIF
799
800	ENDDO
801
802	ENDIF
803
804	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
805	!
806	!-- Print the number of arrays processed
807	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
808	IF ( fanz(1) /= 0 ) THEN
809	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
810	ENDIF
811	!
812	!-- Close all files and deallocate array
813	DO id = 0, danz-1
814	CLOSE ( id+110 )
815	ENDDO
816	CLOSE ( 2 )
817	DEALLOCATE ( pf3d )
818	!
819	!-- Close the NetCDF file
820	IF ( netcdf_output ) THEN
821	#if defined( __netcdf )
822	IF ( netcdf_0 ) THEN
823	nc_stat = NF90_CLOSE( id_set(0) )
824	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
825	ENDIF
826	IF ( netcdf_1 ) THEN
827	nc_stat = NF90_CLOSE( id_set(1) )
828	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
829	ENDIF
830	#endif
831	ENDIF
832
833	!
834	!-- Output required cpu time
835	CALL SYSTEM_CLOCK( count, count_rate )
836	cpu_end_time = REAL( count ) / REAL( count_rate )
837	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
838	cpu_end_time-cpu_start_time, ' sec'
839
840	ENDIF
841
842	ENDDO ! models
843
844
845	CONTAINS
846
847
848	SUBROUTINE handle_netcdf_error( errno )
849	!
850	!-- Prints out a text message corresponding to the current NetCDF status
851
852	IMPLICIT NONE
853
854	INTEGER, INTENT(IN) :: errno
855
856	#if defined( __netcdf )
857	IF ( nc_stat /= NF90_NOERR ) THEN
858	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
859	TRIM( nf90_strerror( nc_stat ) )
860	ENDIF
861	#endif
862
863	END SUBROUTINE handle_netcdf_error
864
865
866	END PROGRAM combine_plot_fields
867
868
869

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