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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 2514

Last change on this file since 2514 was 2512, checked in by raasch, 7 years ago
upper bounds of cross section and 3d output changed from nx+1,ny+1 to nx,ny; no output if redundant ghost layer data to NetCDF files
Property svn:keywords set to `Id`
File size: 29.3 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 2512 2017-10-04 08:26:59Z suehring $
27	! PALM output does not contain ghost layer data any more
28	! avs- and iso2d-related parts removed, handling of compressed data removed
29	!
30	! 2365 2017-08-21 14:59:59Z kanani
31	! Vertical grid nesting implemented (SadiqHuq)
32	!
33	! 1809 2016-04-05 20:13:28Z raasch
34	!
35	! 1808 2016-04-05 19:44:00Z raasch
36	! cpu measurements are done with standard FORTRAN routine on every machine
37	!
38	! 1551 2015-03-03 14:18:16Z maronga
39	! Adjustments for data output of soil model quantities
40	!
41	! 1468 2014-09-24 14:06:57Z maronga
42	! Adapted for use on up to 6-digit processor cores (not tested)
43	!
44	! 1394 2014-05-06 10:17:31Z keck
45	! KIND-attribute added to all INTEGER and REAL declaration statements
46	!
47	! 1046 2012-11-09 14:38:45Z maronga
48	! code put under GPL (PALM 3.9)
49	!
50	! 691 2011-03-04 08:45:30Z maronga
51	! Bugfix: check for precursor ocean runs, removed typo
52	!
53	! 493 2010-03-01 08:30:24Z raasch
54	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
55	! cpu measurements included
56	!
57	! 210 2008-11-06 08:54:02Z raasch
58	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
59	! all three dimensions), because output of a subset of the data
60	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
61	! with the INTEL compiler.
62	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
63	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
64	! Bugfix: three misplaced #endif directives
65	!
66	! 114 2007-10-10 00:03:15Z raasch
67	! Bugfix: model_string needed a default value
68	!
69	! Aug 07 Loop for processing of output by coupled runs, id_string does not
70	! contain modus any longer
71	!
72	! 18/01/06 Output of time-averaged data
73	!
74	! 25/05/05 Errors removed
75	!
76	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
77	! file exists
78	!
79	! 31/10/01 All comments and messages translated into English
80	!
81	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
82	! Ursprungsversion vom 28/07/97
83	!
84	!
85	! Description:
86	! ------------
87	! This routine combines data of the PALM-subdomains into one file. In PALM
88	! every processor element opens its own file and writes 2D- or 3D-binary-data
89	! into it (different files are opened for xy-, xz-, yz-cross-sections and
90	! 3D-data). For plotting or analyzing these PE-data have to be collected and
91	! to be put into single files, which is done by this routine.
92	! Output format is NetCDF. Additionally, a data are output in a binary format
93	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
94	!------------------------------------------------------------------------------!
95
96	#if defined( __netcdf )
97	USE netcdf
98	#endif
99
100	IMPLICIT NONE
101
102	!
103	!-- Local variables
104	CHARACTER (LEN=2) :: modus, model_string
105	CHARACTER (LEN=6) :: id_string
106	CHARACTER (LEN=20) :: dimname, var_name
107	CHARACTER (LEN=40) :: filename
108
109	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
110
111	INTEGER, PARAMETER :: iwp = 4, spk = SELECTED_REAL_KIND( 6 ), wp = 8
112
113	INTEGER(iwp) :: av, danz, i, id, j, k, model, models, nc_stat, &
114	nxa, nxag, nxe, nxeg, nya, nyag, nye, nyeg, &
115	nza, nze, pos, time_step, &
116	xa, xe, xxa, xxe, ya, ya_do, ya_tot, ye, ye_do, ye_tot, yya, yye, za, &
117	ze, zza, zze
118
119	INTEGER(8) :: count, count_rate
120
121	INTEGER(iwp), DIMENSION(0:1) :: current_level, current_var, &
122	fanz, id_set, id_var_time, num_var
123	INTEGER(iwp), DIMENSION(4) :: id_dims_loc
124	INTEGER(iwp), DIMENSION(0:1,4) :: id_dims
125	INTEGER(iwp), DIMENSION(0:1,1000) :: id_var, levels
126
127	LOGICAL :: found, netcdf_output, netcdf_parallel, netcdf_0, netcdf_1
128	LOGICAL :: vnest
129
130	REAL(wp) :: cpu_start_time, cpu_end_time, dx, simulated_time
131	REAL(wp), DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
132	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
133
134
135
136	PRINT*, ''
137	PRINT*, ''
138	PRINT, ' combine_plot_fields *'
139
140	!
141	!-- Find out if a coupled run has been carried out
142	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
143	INQUIRE( FILE='VNESTING_PORT_OPENED', EXIST=vnest )
144	IF ( found ) THEN
145	models = 2
146	PRINT*, ' coupled run'
147	ELSEIF ( vnest ) THEN
148	models = 2
149	PRINT*, ' Vertically nested grid coupling'
150	ELSE
151	models = 1
152	PRINT*, ' uncoupled run'
153	ENDIF
154
155	!
156	!-- Find out if a precursor ocean run has been carried out
157	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
158	IF ( found ) THEN
159	model_string = '_O'
160	PRINT*, ' precursor ocean run'
161	ELSE
162	model_string = ''
163	ENDIF
164
165	!
166	!-- Do everything for each model
167	DO model = 1, models
168	!
169	!-- Set the model string used to identify the filenames
170	IF ( models == 2 ) THEN
171	PRINT*, ''
172	PRINT, ' combine_plot_fields *'
173	IF ( model == 2 ) THEN
174	IF ( vnest ) THEN
175	model_string = '_N'
176	PRINT*, ' now combining FINE data'
177	PRINT*, ' ========================'
178	ELSE
179	model_string = '_O'
180	PRINT*, ' now combining ocean data'
181	PRINT*, ' ========================'
182	ENDIF
183	ELSE
184	IF ( vnest ) THEN
185	PRINT*, ' now combining COARSE data'
186	PRINT*, ' ============================='
187	ELSE
188	PRINT*, ' now combining atmosphere data'
189	PRINT*, ' ============================='
190	ENDIF
191	ENDIF
192	ENDIF
193	!
194	!-- 2D-arrays for ISO2D
195	!-- Main loop for the three different cross-sections, starting with
196	!-- xy-section
197	modus = 'XY'
198	PRINT*, ''
199	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
200	!
201	!-- Take current time
202	CALL SYSTEM_CLOCK( count, count_rate )
203	cpu_start_time = REAL( count ) / REAL( count_rate )
204
205	netcdf_parallel = .FALSE.
206	!
207	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
208	!-- create any output for this cross-section.
209	danz = 0
210	WRITE (id_string,'(I6.6)') danz
211	INQUIRE ( &
212	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
213	EXIST=found )
214	!
215	!-- Find out the number of files (equal to the number of PEs which
216	!-- have been used in PALM) and open them
217	DO WHILE ( found )
218
219	OPEN ( danz+110, &
220	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
221	FORM='UNFORMATTED' )
222	danz = danz + 1
223	WRITE (id_string,'(I6.6)') danz
224	INQUIRE ( &
225	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
226	EXIST=found )
227
228	ENDDO
229
230	!
231	!-- Inquire whether a NetCDF file exists
232	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
233	EXIST=netcdf_0 )
234
235	!
236	!-- Inquire whether a NetCDF file for time-averaged data exists
237	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
238	EXIST=netcdf_1 )
239
240	IF ( netcdf_0 .OR. netcdf_1 ) THEN
241	netcdf_output = .TRUE.
242	!
243	!-- Inquire whether the NetCDF file is already complete (parallel
244	!-- output)
245	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
246	EXIST=netcdf_parallel )
247	IF ( netcdf_parallel ) THEN
248	netcdf_parallel = .TRUE.
249	ELSE
250	netcdf_parallel = .FALSE.
251	ENDIF
252	ELSE
253	netcdf_output = .FALSE.
254	ENDIF
255
256	!
257	!-- Info-output
258	PRINT*, ''
259	PRINT, ' combine_plot_fields *'
260	#if defined( __netcdf )
261	IF ( netcdf_output ) THEN
262	IF ( netcdf_parallel ) THEN
263	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
264	'(NetCDF4-format) - merging not neccessary'
265	ELSE
266	PRINT*, ' NetCDF output enabled'
267	ENDIF
268	ENDIF
269	#else
270	IF ( netcdf_output ) THEN
271	PRINT*, '--- Sorry, no NetCDF support on this host'
272	netcdf_output = .FALSE.
273	ENDIF
274	#endif
275	IF ( .NOT. netcdf_parallel ) THEN
276	IF ( danz /= 0 ) THEN
277	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
278	ELSE
279	PRINT*, ' no ', modus, '-section data available'
280	ENDIF
281	ENDIF
282
283	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
284	THEN
285	#if defined( __netcdf )
286	DO av = 0, 1
287
288	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
289	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
290
291	!
292	!-- Open NetCDF dataset
293	IF ( av == 0 ) THEN
294	filename = 'DATA_2D_'//modus//'_NETCDF' &
295	//TRIM( model_string )
296	ELSE
297	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
298	//TRIM( model_string )
299	ENDIF
300	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
301	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
302
303	!
304	!-- Get the list of variables (order of variables corresponds with
305	!-- the order of data on the binary file)
306	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
307	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
308	var_list(av) )
309	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
310
311	!
312	!-- Inquire id of the time coordinate variable
313	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
314	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
315
316	!
317	!-- Count number of variables; there is one more semicolon in the
318	!-- string than variable names
319	num_var(av) = -1
320	DO i = 1, LEN( var_list(av) )
321	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
322	ENDDO
323
324	!
325	!-- Extract the variable names from the list and inquire their
326	!-- NetCDF IDs
327	pos = INDEX( var_list(av), ';' )
328	!
329	!-- Loop over all variables
330	DO i = 1, num_var(av)
331
332	!
333	!-- Extract variable name from list
334	var_list(av) = var_list(av)(pos+1:)
335	pos = INDEX( var_list(av), ';' )
336	var_name = var_list(av)(1:pos-1)
337
338	!
339	!-- Get variable ID from name
340	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
341	id_var(av,i) )
342	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
343
344	!
345	!-- Get number of x/y/z levels for that variable
346	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
347	dimids = id_dims_loc )
348	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
349	id_dims(av,:) = id_dims_loc
350
351	!
352	!-- Inquire dimension ID
353	DO j = 1, 4
354	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
355	id_dims(av,j), dimname, levels(av,i) )
356	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
357
358	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
359	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
360	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
361	ENDDO
362
363	ENDDO
364
365	ENDDO ! av = 0, 1
366
367	#endif
368	ENDIF
369
370	!
371	!-- Read the arrays, as long as the end of the file is reached
372	IF ( .NOT. netcdf_parallel ) THEN
373
374	fanz = 0
375	current_level = 1
376	current_var = 999999999
377
378	DO WHILE ( danz /= 0 )
379
380	!
381	!-- Loop over all files (reading data of the subdomains)
382	DO id = 0, danz-1
383	!
384	!-- File from PE0 contains special information at the beginning,
385	!-- concerning the lower and upper indices of the total-domain
386	!-- used in PALM (nxa, nxe, nya, nye).
387	!-- Allocate necessary arrays, open the output file and write
388	!-- the coordinate informations needed by ISO2D.
389	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
390
391	READ ( id+110 ) nxa, nxe, nya, nye
392	ALLOCATE ( pf(nxa:nxe,nya:nye) )
393	!
394	!-- Set actual domain bounds to total domain
395	ya_do = nya
396	ye_do = nye
397
398	ENDIF
399	!
400	!-- Read output time
401	IF ( netcdf_output .AND. id == 0 ) THEN
402	READ ( id+110, END=998 ) simulated_time, time_step, av
403	ENDIF
404	!
405	!-- Read subdomain indices
406	READ ( id+110, END=998 ) xa, xe, ya, ye, ya_tot, ye_tot
407
408	!
409	!-- IF the PE made no output (in case that no part of the
410	!-- cross-section is situated on this PE), indices have the
411	!-- value -1
412	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
413	ya == -1 .AND. ye == -1 ) ) THEN
414
415
416	!
417	!-- Read the subdomain grid-point values
418	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
419	READ ( id+110 ) pf_tmp
420	!
421	!-- Calculate indices on atmospheric grid (e.g. for soil model
422	!-- quantities)
423	IF ( ya /= ya_tot .OR. ye /= ye_tot ) THEN
424	ye_do = ye - ya
425	ya_do = ya
426	pf(xa:xe,ya_do:ye_do) = pf_tmp
427	ELSE
428	ye_do = nye
429	ya_do = nya
430	pf(xa:xe,ya:ye) = pf_tmp
431	ENDIF
432
433	DEALLOCATE( pf_tmp )
434	ENDIF
435	IF ( id == 0 ) fanz(av) = fanz(av) + 1
436
437	ENDDO
438	!
439	!-- Write data in NetCDF format
440	IF ( netcdf_output ) THEN
441	#if defined( __netcdf )
442	!
443	!-- Check if a new time step has begun; if yes write data to
444	!-- time axis
445	IF ( current_var(av) > num_var(av) ) THEN
446	current_var(av) = 1
447	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
448	(/ simulated_time /), &
449	start = (/ time_step /), &
450	count = (/ 1 /) )
451	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
452	ENDIF
453
454	!
455	!-- Now write the data; this is mode dependent
456	SELECT CASE ( modus )
457
458	CASE ( 'XY' )
459	nc_stat = NF90_PUT_VAR( id_set(av), &
460	id_var(av,current_var(av)), &
461	pf(nxa:nxe,nya:nye), &
462	start = (/ 1, 1, current_level(av), time_step /), &
463	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
464	IF ( nc_stat /= NF90_NOERR ) THEN
465	CALL handle_netcdf_error( 8 )
466	ENDIF
467
468	CASE ( 'XZ' )
469	nc_stat = NF90_PUT_VAR( id_set(av), &
470	id_var(av,current_var(av)), &
471	pf(nxa:nxe,ya_do:ye_do), &
472	start = (/ 1, current_level(av), 1, time_step /), &
473	count = (/ nxe-nxa+1, 1, ye_do-ya_do+1, 1 /) )
474	IF ( nc_stat /= NF90_NOERR ) THEN
475	CALL handle_netcdf_error( 9 )
476	ENDIF
477
478	CASE ( 'YZ' )
479	nc_stat = NF90_PUT_VAR( id_set(av), &
480	id_var(av,current_var(av)), &
481	pf(nxa:nxe,ya_do:ye_do), &
482	start = (/ current_level(av), 1, 1, time_step /), &
483	count = (/ 1, nxe-nxa+1, ye_do-ya_do+1, 1 /) )
484	IF ( nc_stat /= NF90_NOERR ) THEN
485	CALL handle_netcdf_error( 10 )
486	ENDIF
487
488	END SELECT
489
490	!
491	!-- Data is written, check if max level is reached
492	current_level(av) = current_level(av) + 1
493	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
494	current_level(av) = 1
495	current_var(av) = current_var(av) + 1
496	ENDIF
497
498	#endif
499	ENDIF
500
501	ENDDO
502
503	ENDIF
504
505	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
506	!
507	!-- Print the number of the arrays processed
508	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
509	IF ( fanz(1) /= 0 ) THEN
510	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
511	ENDIF
512
513	!
514	!-- Close all files and deallocate arrays
515	DO id = 0, danz-1
516	CLOSE ( id+110 )
517	ENDDO
518	CLOSE ( 2 )
519	DEALLOCATE ( pf )
520
521	!
522	!-- Close the NetCDF file
523	IF ( netcdf_output ) THEN
524	#if defined( __netcdf )
525	IF ( netcdf_0 ) THEN
526	nc_stat = NF90_CLOSE( id_set(0) )
527	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
528	ENDIF
529	IF ( netcdf_1 ) THEN
530	nc_stat = NF90_CLOSE( id_set(1) )
531	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
532	ENDIF
533	#endif
534	ENDIF
535	ENDIF
536
537	!
538	!-- Output required cpu time
539	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
540	CALL SYSTEM_CLOCK( count, count_rate )
541	cpu_end_time = REAL( count ) / REAL( count_rate )
542	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
543	cpu_end_time-cpu_start_time, ' sec'
544	ENDIF
545
546	!
547	!-- Choose the next cross-section
548	SELECT CASE ( modus )
549	CASE ( 'XY' )
550	modus = 'XZ'
551	CASE ( 'XZ' )
552	modus = 'YZ'
553	CASE ( 'YZ' )
554	modus = 'no'
555	END SELECT
556
557	ENDDO
558
559
560	!
561	!-- Combine the 3D-arrays
562	netcdf_parallel = .FALSE.
563
564	!
565	!-- Info-output
566	PRINT*, ' '
567	PRINT, ' combine_plot_fields *'
568
569	!
570	!-- Take current time
571	CALL SYSTEM_CLOCK( count, count_rate )
572	cpu_start_time = REAL( count ) / REAL( count_rate )
573
574	!
575	!-- Inquire whether a NetCDF file exists
576	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
577
578	!
579	!-- Inquire whether a NetCDF file for time-averaged data exists
580	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
581
582	IF ( netcdf_0 .OR. netcdf_1 ) THEN
583	netcdf_output = .TRUE.
584	!
585	!-- Inquire whether the NetCDF file is already complete (parallel output)
586	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
587	IF ( netcdf_parallel ) THEN
588	netcdf_parallel = .TRUE.
589	ELSE
590	netcdf_parallel = .FALSE.
591	ENDIF
592	ELSE
593	netcdf_output = .FALSE.
594	ENDIF
595
596	!
597	!-- Check, if file from PE0 exists; not neccessary in case of parallel
598	!-- PALM output
599	IF ( .NOT. netcdf_parallel ) THEN
600	danz = 0
601	WRITE (id_string,'(I6.6)') danz
602	INQUIRE ( &
603	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
604	EXIST=found )
605	ELSE
606	found = .FALSE.
607	ENDIF
608
609	!
610	!-- Find out the number of files and open them
611	DO WHILE ( found )
612
613	OPEN ( danz+110, &
614	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
615	FORM='UNFORMATTED')
616	danz = danz + 1
617	WRITE (id_string,'(I6.6)') danz
618	INQUIRE ( &
619	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
620	EXIST=found )
621
622	ENDDO
623
624	#if defined( __netcdf )
625	IF ( netcdf_output ) THEN
626	IF ( netcdf_parallel ) THEN
627	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
628	' - merging not neccessary'
629	ELSE
630	PRINT*, ' NetCDF output enabled'
631	ENDIF
632	ENDIF
633	#else
634	IF ( netcdf_output ) THEN
635	PRINT*, '--- Sorry, no NetCDF support on this host'
636	netcdf_output = .FALSE.
637	ENDIF
638	#endif
639	IF ( .NOT. netcdf_parallel ) THEN
640	IF ( danz /= 0 ) THEN
641	PRINT*, ' 3D-data: ', danz, ' file(s) found'
642	ELSE
643	PRINT*, ' no 3D-data file available'
644	ENDIF
645	ENDIF
646
647	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
648	#if defined( __netcdf )
649	DO av = 0, 1
650
651	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
652	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
653
654	!
655	!-- Open NetCDF dataset
656	IF ( av == 0 ) THEN
657	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
658	ELSE
659	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
660	ENDIF
661	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
662	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
663
664
665	!
666	!-- Get the list of variables (order of variables corresponds with the
667	!-- order of data on the binary file)
668	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
669	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
670	var_list(av) )
671	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
672
673	!
674	!-- Inquire id of the time coordinate variable
675	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
676	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
677
678	!
679	!-- Count number of variables; there is one more semicolon in the
680	!-- string than variable names
681	num_var(av) = -1
682	DO i = 1, LEN( var_list(av) )
683	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
684	ENDDO
685
686	!
687	!-- Extract the variable names from the list and inquire their NetCDF
688	!-- IDs
689	pos = INDEX( var_list(av), ';' )
690	!
691	!-- Loop over all variables
692	DO i = 1, num_var(av)
693
694	!
695	!-- Extract variable name from list
696	var_list(av) = var_list(av)(pos+1:)
697	pos = INDEX( var_list(av), ';' )
698	var_name = var_list(av)(1:pos-1)
699
700	!
701	!-- Get variable ID from name
702	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
703	id_var(av,i) )
704	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
705
706	ENDDO
707
708	ENDDO ! av=0,1
709
710	#endif
711	ENDIF
712
713	!
714	!-- Read arrays, until the end of the file is reached
715	IF ( .NOT. netcdf_parallel ) THEN
716
717	current_var = 999999999
718	fanz = 0
719	DO WHILE ( danz /= 0 )
720
721	!
722	!-- Loop over all files
723	DO id = 0, danz-1
724	!
725	!-- File from PE0 contains at the beginning the index bounds
726	!-- of PALM's total domain.
727	!-- Allocate the array for storing the total domain data
728	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
729	! READ ( id+110 ) nxag, nxeg, nyag, nyeg
730	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
731	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
732	ENDIF
733
734	!
735	!-- Read output time
736	IF ( netcdf_output .AND. id == 0 ) THEN
737	IF ( netcdf_1 ) THEN
738	READ ( id+110, END=999 ) simulated_time, time_step, av
739	ELSE
740	!
741	!-- For compatibility with earlier PALM versions
742	READ ( id+110, END=999 ) simulated_time, time_step
743	av = 0
744	ENDIF
745	ENDIF
746
747	!
748	!-- Read subdomain indices and grid point values
749	READ ( id+110, END=999 ) xa, xe, ya, ye, za, ze
750	ALLOCATE( pf3d_tmp(xa:xe,ya:ye,za:ze) )
751	READ ( id+110 ) pf3d_tmp
752
753	xxa = MAX( nxa, xa )
754	xxe = MIN( nxe, xe )
755	yya = MAX( nya, ya )
756	yye = MIN( nye, ye )
757	DO k = za, ze
758	DO j = yya, yye
759	DO i = xxa, xxe
760	pf3d(i,j,k) = pf3d_tmp(i,j,k)
761	ENDDO
762	ENDDO
763	ENDDO
764
765	DEALLOCATE( pf3d_tmp )
766	IF ( id == 0 ) fanz(av) = fanz(av) + 1
767
768	ENDDO
769
770	!
771	!-- Write data of the total domain in NetCDF format
772	IF ( netcdf_output ) THEN
773	#if defined( __netcdf )
774	!
775	!-- Check if a new time step has begun; if yes write data to time
776	!-- axis
777	IF ( current_var(av) > num_var(av) ) THEN
778	current_var(av) = 1
779	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
780	(/ simulated_time /),&
781	start = (/ time_step /), count = (/ 1 /) )
782	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
783	ENDIF
784
785	!
786	!-- Now write the data
787	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
788	pf3d(nxa:nxe,nya:nye,za:ze), start = (/ 1, 1, 1, time_step /),&
789	count = (/ nxe-nxa+1, nye-nya+1, ze-za+1, 1 /) )
790	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
791
792	current_var(av) = current_var(av) + 1
793
794	#endif
795	ENDIF
796
797	ENDDO
798
799	ENDIF
800
801	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
802	!
803	!-- Print the number of arrays processed
804	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
805	IF ( fanz(1) /= 0 ) THEN
806	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
807	ENDIF
808	!
809	!-- Close all files and deallocate array
810	DO id = 0, danz-1
811	CLOSE ( id+110 )
812	ENDDO
813	CLOSE ( 2 )
814	DEALLOCATE ( pf3d )
815	!
816	!-- Close the NetCDF file
817	IF ( netcdf_output ) THEN
818	#if defined( __netcdf )
819	IF ( netcdf_0 ) THEN
820	nc_stat = NF90_CLOSE( id_set(0) )
821	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
822	ENDIF
823	IF ( netcdf_1 ) THEN
824	nc_stat = NF90_CLOSE( id_set(1) )
825	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
826	ENDIF
827	#endif
828	ENDIF
829
830	!
831	!-- Output required cpu time
832	CALL SYSTEM_CLOCK( count, count_rate )
833	cpu_end_time = REAL( count ) / REAL( count_rate )
834	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
835	cpu_end_time-cpu_start_time, ' sec'
836
837	ENDIF
838
839	ENDDO ! models
840
841
842	CONTAINS
843
844
845	SUBROUTINE handle_netcdf_error( errno )
846	!
847	!-- Prints out a text message corresponding to the current NetCDF status
848
849	IMPLICIT NONE
850
851	INTEGER, INTENT(IN) :: errno
852
853	#if defined( __netcdf )
854	IF ( nc_stat /= NF90_NOERR ) THEN
855	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
856	TRIM( nf90_strerror( nc_stat ) )
857	ENDIF
858	#endif
859
860	END SUBROUTINE handle_netcdf_error
861
862
863	END PROGRAM combine_plot_fields
864
865
866

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