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source: palm/trunk/UTIL/combine_plot_fields.f90 @ 1028

Last change on this file since 1028 was 692, checked in by maronga, 14 years ago
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[1]	1	PROGRAM combine_plot_fields
	2
	3	!------------------------------------------------------------------------------!
[691]	4	! Current revisions:
[1]	5	! -----------------
[226]	6	!
	7	! Former revisions:
	8	! -----------------
	9	! $Id: combine_plot_fields.f90 692 2011-03-04 08:52:15Z suehring $
	10	!
[692]	11	! 691 2011-03-04 08:45:30Z maronga
	12	! Bugfix: check for precursor ocean runs, removed typo
	13	!
[494]	14	! 493 2010-03-01 08:30:24Z raasch
	15	! Exit in case of already complete NetCDF data (due to parallel output in PALM)
	16	! cpu measurements included
	17	!
[226]	18	! 210 2008-11-06 08:54:02Z raasch
[210]	19	! Size of pf3d adjusted to the required output size (1 gridpoint less, along
	20	! all three dimensions), because output of a subset of the data
	21	! (pf3d(nxa:nxe...) in the NF90_PUT_VAR statement caused segmentation fault
	22	! with the INTEL compiler.
[191]	23	! Subdomain data are read into temporary arrays pf_tmp/pf3d_tmp in order to
	24	! avoid INTEL compiler warnings about (automatic) creation of temporary arrays
[179]	25	! Bugfix: three misplaced #endif directives
[1]	26	!
[139]	27	! 114 2007-10-10 00:03:15Z raasch
	28	! Bugfix: model_string needed a default value
	29	!
[114]	30	! Aug 07 Loop for processing of output by coupled runs, id_string does not
	31	! contain modus any longer
	32	!
[1]	33	! 18/01/06 Output of time-averaged data
	34	!
	35	! 25/05/05 Errors removed
	36	!
	37	! 26/04/05 Output in NetCDF format, iso2d and avs output only if parameter
	38	! file exists
	39	!
	40	! 31/10/01 All comments and messages translated into English
	41	!
	42	! 23/02/99 Keine Bearbeitung komprimierter 3D-Daten
	43	! Ursprungsversion vom 28/07/97
	44	!
	45	!
	46	! Description:
	47	! ------------
	48	! This routine combines data of the PALM-subdomains into one file. In PALM
	49	! every processor element opens its own file and writes 2D- or 3D-binary-data
	50	! into it (different files are opened for xy-, xz-, yz-cross-sections and
	51	! 3D-data). For plotting or analyzing these PE-data have to be collected and
	52	! to be put into single files, which is done by this routine.
	53	! Output format is NetCDF. Additionally, a data are output in a binary format
	54	! readable by ISO2D-software (cross-sections) and by AVS (3D-data).
	55	!------------------------------------------------------------------------------!
	56
	57	#if defined( __netcdf )
	58	USE netcdf
	59	#endif
	60
	61	IMPLICIT NONE
	62
	63	!
	64	!-- Local variables
[108]	65	CHARACTER (LEN=2) :: modus, model_string
	66	CHARACTER (LEN=4) :: id_string
[1]	67	CHARACTER (LEN=10) :: dimname, var_name
	68	CHARACTER (LEN=40) :: filename
	69
	70	CHARACTER (LEN=2000), DIMENSION(0:1) :: var_list
	71
	72	INTEGER, PARAMETER :: spk = SELECTED_REAL_KIND( 6 )
	73
	74	INTEGER :: av, danz, i, id, &
[210]	75	j, k, model, models, nc_stat, nxa, nxag, nxe, nxeg, nya, &
[1]	76	nyag, nye, nyeg, nza, nzag, nze, nzeg, pos, time_step, xa, xe, &
[210]	77	xxa, xxe, ya, ye, yya, yye, za, ze, zza, zze
[1]	78
[493]	79	#if defined( __lc ) \|\| defined( __decalpha )
	80	INTEGER(8) :: count, count_rate
	81	#elif defined( __nec )
	82	INTEGER :: count, count_rate
	83	#elif defined( __ibm )
	84	INTEGER(8) :: IRTC
	85	#endif
	86
[108]	87	INTEGER, DIMENSION(0:1) :: current_level, current_var, fanz, id_set, &
	88	id_var_time, num_var
[1]	89
	90	INTEGER, DIMENSION(4) :: id_dims_loc
	91
	92	INTEGER, DIMENSION(0:1,4) :: id_dims
	93
	94	INTEGER, DIMENSION(0:1,1000) :: id_var, levels
	95
	96	LOGICAL :: avs_output, compressed, found, iso2d_output, netcdf_output, &
[493]	97	netcdf_parallel, netcdf_0, netcdf_1
[1]	98
[493]	99	REAL :: cpu_start_time, cpu_end_time, dx, simulated_time
[1]	100	REAL, DIMENSION(:), ALLOCATABLE :: eta, ho, hu
[191]	101	REAL, DIMENSION(:,:), ALLOCATABLE :: pf, pf_tmp
	102	REAL(spk), DIMENSION(:,:,:), ALLOCATABLE :: pf3d, pf3d_tmp
[1]	103
	104	PRINT*, ''
[114]	105	PRINT*, ''
[108]	106	PRINT, ' combine_plot_fields *'
[114]	107
	108	!
	109	!-- Find out if a coupled run has been carried out
[108]	110	INQUIRE( FILE='COUPLING_PORT_OPENED', EXIST=found )
	111	IF ( found ) THEN
	112	models = 2
	113	PRINT*, ' coupled run'
	114	ELSE
	115	models = 1
	116	PRINT*, ' uncoupled run'
	117	ENDIF
[114]	118
	119	!
[691]	120	!-- Find out if a precursor ocean run has been carried out
	121	INQUIRE( FILE='PRECURSOR_OCEAN', EXIST=found )
	122	IF ( found ) THEN
	123	model_string = '_O'
	124	PRINT*, ' precursor ocean run'
	125	ELSE
	126	model_string = ''
	127	ENDIF
	128
	129	!
[114]	130	!-- Do everything for each model
[108]	131	DO model = 1, models
[114]	132	!
	133	!-- Set the model string used to identify the filenames
[108]	134	IF ( models == 2 ) THEN
	135	PRINT*, ''
	136	PRINT, ' combine_plot_fields *'
	137	IF ( model == 2 ) THEN
[114]	138	model_string = '_O'
[108]	139	PRINT*, ' now combining ocean data'
	140	PRINT*, ' ========================'
	141	ELSE
	142	PRINT*, ' now combining atmosphere data'
	143	PRINT*, ' ============================='
	144	ENDIF
	145	ENDIF
[1]	146	!
[108]	147	!-- 2D-arrays for ISO2D
	148	!-- Main loop for the three different cross-sections, starting with
	149	!-- xy-section
	150	modus = 'XY'
	151	PRINT*, ''
	152	DO WHILE ( modus == 'XY' .OR. modus == 'XZ' .OR. modus == 'YZ' )
[1]	153	!
[493]	154	!-- Take current time
	155	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
	156	CALL SYSTEM_CLOCK( count, count_rate )
	157	cpu_start_time = REAL( count ) / REAL( count_rate )
	158	#elif defined( __ibm )
	159	cpu_start_time = IRTC( ) * 1E-9
	160	#else
	161	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
	162	#endif
	163
	164	netcdf_parallel = .FALSE.
	165	!
[108]	166	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
	167	!-- create any output for this cross-section.
	168	danz = 0
	169	WRITE (id_string,'(I4.4)') danz
	170	INQUIRE ( &
	171	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
	172	EXIST=found )
	173	!
	174	!-- Find out the number of files (equal to the number of PEs which
	175	!-- have been used in PALM) and open them
	176	DO WHILE ( found )
[1]	177
[108]	178	OPEN ( danz+110, &
	179	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
	180	FORM='UNFORMATTED' )
	181	danz = danz + 1
	182	WRITE (id_string,'(I4.4)') danz
	183	INQUIRE ( &
	184	FILE='PLOT2D_'//modus//TRIM( model_string )//'_'//id_string, &
	185	EXIST=found )
[1]	186
[108]	187	ENDDO
[1]	188
	189	!
[108]	190	!-- Inquire whether an iso2d parameter file exists
	191	INQUIRE( FILE='PLOT2D_'//modus//'_GLOBAL'//TRIM( model_string ), &
	192	EXIST=iso2d_output )
[1]	193
	194	!
[108]	195	!-- Inquire whether a NetCDF file exists
	196	INQUIRE( FILE='DATA_2D_'//modus//'_NETCDF'//TRIM( model_string ), &
	197	EXIST=netcdf_0 )
[1]	198
	199	!
[108]	200	!-- Inquire whether a NetCDF file for time-averaged data exists
	201	INQUIRE( FILE='DATA_2D_'//modus//'_AV_NETCDF'//TRIM( model_string ),&
	202	EXIST=netcdf_1 )
[1]	203
[108]	204	IF ( netcdf_0 .OR. netcdf_1 ) THEN
	205	netcdf_output = .TRUE.
[493]	206	!
	207	!-- Inquire whether the NetCDF file is already complete (parallel
	208	!-- output)
	209	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_'//modus, &
	210	EXIST=netcdf_parallel )
	211	IF ( netcdf_parallel ) THEN
	212	netcdf_parallel = .TRUE.
	213	ELSE
	214	netcdf_parallel = .FALSE.
	215	ENDIF
[108]	216	ELSE
	217	netcdf_output = .FALSE.
	218	ENDIF
[1]	219
	220	!
[108]	221	!-- Info-output
	222	PRINT*, ''
	223	PRINT, ' combine_plot_fields *'
[1]	224	#if defined( __netcdf )
[493]	225	IF ( netcdf_output ) THEN
	226	IF ( netcdf_parallel ) THEN
	227	PRINT*, ' NetCDF ' // modus // '-data are in one file ', &
	228	'(NetCDF4-format) - merging not neccessary'
	229	ELSE
	230	PRINT*, ' NetCDF output enabled'
	231	ENDIF
	232	ENDIF
[1]	233	#else
[108]	234	IF ( netcdf_output ) THEN
	235	PRINT*, '--- Sorry, no NetCDF support on this host'
	236	netcdf_output = .FALSE.
	237	ENDIF
[1]	238	#endif
[493]	239	IF ( .NOT. netcdf_parallel ) THEN
	240	IF ( danz /= 0 ) THEN
	241	PRINT*, ' ',modus,'-section: ', danz, ' file(s) found'
	242	ELSE
	243	PRINT*, ' no ', modus, '-section data available'
	244	ENDIF
[108]	245	ENDIF
[1]	246
[493]	247	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) &
	248	THEN
[1]	249	#if defined( __netcdf )
[108]	250	DO av = 0, 1
[1]	251
[108]	252	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
	253	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
[1]	254
	255	!
[108]	256	!-- Open NetCDF dataset
	257	IF ( av == 0 ) THEN
	258	filename = 'DATA_2D_'//modus//'_NETCDF' &
	259	//TRIM( model_string )
	260	ELSE
	261	filename = 'DATA_2D_'//modus//'_AV_NETCDF' &
	262	//TRIM( model_string )
	263	ENDIF
	264	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
	265	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 1 )
[1]	266
	267	!
[108]	268	!-- Get the list of variables (order of variables corresponds with
	269	!-- the order of data on the binary file)
	270	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
	271	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
	272	var_list(av) )
	273	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 2 )
[1]	274
	275	!
[108]	276	!-- Inquire id of the time coordinate variable
	277	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
	278	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 3 )
[1]	279
	280	!
[108]	281	!-- Count number of variables; there is one more semicolon in the
	282	!-- string than variable names
	283	num_var(av) = -1
	284	DO i = 1, LEN( var_list(av) )
	285	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) +1
	286	ENDDO
[1]	287
	288	!
[108]	289	!-- Extract the variable names from the list and inquire their
	290	!-- NetCDF IDs
	291	pos = INDEX( var_list(av), ';' )
[1]	292	!
[108]	293	!-- Loop over all variables
	294	DO i = 1, num_var(av)
[1]	295
	296	!
[108]	297	!-- Extract variable name from list
	298	var_list(av) = var_list(av)(pos+1:)
	299	pos = INDEX( var_list(av), ';' )
	300	var_name = var_list(av)(1:pos-1)
[1]	301
	302	!
[108]	303	!-- Get variable ID from name
	304	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
	305	id_var(av,i) )
	306	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 4 )
[1]	307
	308	!
[108]	309	!-- Get number of x/y/z levels for that variable
	310	nc_stat = NF90_INQUIRE_VARIABLE( id_set(av), id_var(av,i), &
	311	dimids = id_dims_loc )
	312	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 5 )
	313	id_dims(av,:) = id_dims_loc
[1]	314
	315	!
[108]	316	!-- Inquire dimension ID
	317	DO j = 1, 4
	318	nc_stat = NF90_INQUIRE_DIMENSION( id_set(av), &
	319	id_dims(av,j), dimname, levels(av,i) )
	320	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 6 )
[1]	321
[108]	322	IF ( modus == 'XY' .AND. INDEX(dimname, 'z') /= 0 ) EXIT
	323	IF ( modus == 'XZ' .AND. INDEX(dimname, 'y') /= 0 ) EXIT
	324	IF ( modus == 'YZ' .AND. INDEX(dimname, 'x') /= 0 ) EXIT
	325	ENDDO
	326
[1]	327	ENDDO
	328
[108]	329	ENDDO ! av = 0, 1
[1]	330
[179]	331	#endif
[108]	332	ENDIF
[1]	333
	334	!
[108]	335	!-- Read the arrays, as long as the end of the file is reached
[493]	336	IF ( .NOT. netcdf_parallel ) THEN
[1]	337
[493]	338	fanz = 0
	339	current_level = 1
	340	current_var = 999999999
[1]	341
[493]	342	DO WHILE ( danz /= 0 )
	343
[1]	344	!
[493]	345	!-- Loop over all files (reading data of the subdomains)
	346	DO id = 0, danz-1
[1]	347	!
[493]	348	!-- File from PE0 contains special information at the beginning,
	349	!-- concerning the lower and upper indices of the total-domain
	350	!-- used in PALM (nxag, nxeg, nyag, nyeg) and the lower and
	351	!-- upper indices of the array to be writte by this routine
	352	!-- (nxa, nxe, nya, nye). Usually in the horizontal directions
	353	!-- nxag=-1 and nxa=0 while all other variables have the same
	354	!-- value (i.e. nxeg=nxe).
	355	!-- Allocate necessary arrays, open the output file and write
	356	!-- the coordinate informations needed by ISO2D.
	357	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
	358	READ ( id+110 ) nxag, nxeg, nyag, nyeg
	359	READ ( id+110 ) nxa, nxe, nya, nye
	360	ALLOCATE ( eta(nya:nye), ho(nxa:nxe), hu(nxa:nxe), &
	361	pf(nxag:nxeg,nyag:nyeg) )
	362	READ ( id+110 ) dx, eta, hu, ho
[1]	363
[493]	364	IF ( iso2d_output ) THEN
	365	OPEN ( 2, FILE='PLOT2D_'//modus//TRIM( model_string ),&
	366	FORM='UNFORMATTED' )
	367	WRITE ( 2 ) dx, eta, hu, ho
	368	ENDIF
[108]	369	ENDIF
[1]	370	!
[493]	371	!-- Read output time
	372	IF ( netcdf_output .AND. id == 0 ) THEN
	373	IF ( netcdf_1 ) THEN
	374	READ ( id+110, END=998 ) simulated_time, time_step, av
	375	ELSE
[1]	376	!
[493]	377	!-- For compatibility with earlier PALM versions
	378	READ ( id+110, END=998 ) simulated_time, time_step
	379	av = 0
	380	ENDIF
[108]	381	ENDIF
[1]	382	!
[493]	383	!-- Read subdomain indices
	384	READ ( id+110, END=998 ) xa, xe, ya, ye
[1]	385	!
[493]	386	!-- IF the PE made no output (in case that no part of the
	387	!-- cross-section is situated on this PE), indices have the
	388	!-- value -1
	389	IF ( .NOT. ( xa == -1 .AND. xe == -1 .AND. &
	390	ya == -1 .AND. ye == -1 ) ) THEN
[1]	391	!
[493]	392	!-- Read the subdomain grid-point values
	393	ALLOCATE( pf_tmp(xa:xe,ya:ye) )
	394	READ ( id+110 ) pf_tmp
	395	pf(xa:xe,ya:ye) = pf_tmp
	396	DEALLOCATE( pf_tmp )
	397	ENDIF
	398	IF ( id == 0 ) fanz(av) = fanz(av) + 1
[1]	399
[493]	400	ENDDO
[1]	401	!
[493]	402	!-- Write the data of the total domain cross-section
	403	IF ( iso2d_output ) WRITE ( 2 ) pf(nxa:nxe,nya:nye)
[1]	404
	405	!
[493]	406	!-- Write same data in NetCDF format
	407	IF ( netcdf_output ) THEN
[1]	408	#if defined( __netcdf )
	409	!
[493]	410	!-- Check if a new time step has begun; if yes write data to
	411	!-- time axis
	412	IF ( current_var(av) > num_var(av) ) THEN
	413	current_var(av) = 1
	414	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
	415	(/ simulated_time /), &
	416	start = (/ time_step /), &
	417	count = (/ 1 /) )
	418	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 7 )
	419	ENDIF
[1]	420
	421	!
[493]	422	!-- Now write the data; this is mode dependent
	423	SELECT CASE ( modus )
[1]	424
[493]	425	CASE ( 'XY' )
	426	nc_stat = NF90_PUT_VAR( id_set(av), &
[1]	427	id_var(av,current_var(av)), &
	428	pf(nxa:nxe,nya:nye), &
	429	start = (/ 1, 1, current_level(av), time_step /), &
	430	count = (/ nxe-nxa+1, nye-nya+1, 1, 1 /) )
[493]	431	IF ( nc_stat /= NF90_NOERR ) THEN
	432	CALL handle_netcdf_error( 8 )
	433	ENDIF
[1]	434
[493]	435	CASE ( 'XZ' )
	436	nc_stat = NF90_PUT_VAR( id_set(av), &
[1]	437	id_var(av,current_var(av)), &
	438	pf(nxa:nxe,nya:nye), &
	439	start = (/ 1, current_level(av), 1, time_step /), &
	440	count = (/ nxe-nxa+1, 1, nye-nya+1, 1 /) )
[493]	441	IF ( nc_stat /= NF90_NOERR ) THEN
	442	CALL handle_netcdf_error( 9 )
	443	ENDIF
[1]	444
[493]	445	CASE ( 'YZ' )
	446	nc_stat = NF90_PUT_VAR( id_set(av), &
[1]	447	id_var(av,current_var(av)), &
	448	pf(nxa:nxe,nya:nye), &
	449	start = (/ current_level(av), 1, 1, time_step /), &
	450	count = (/ 1, nxe-nxa+1, nye-nya+1, 1 /) )
[493]	451	IF ( nc_stat /= NF90_NOERR ) THEN
	452	CALL handle_netcdf_error( 10 )
	453	ENDIF
[1]	454
[493]	455	END SELECT
[1]	456
	457	!
[493]	458	!-- Data is written, check if max level is reached
	459	current_level(av) = current_level(av) + 1
	460	IF ( current_level(av) > levels(av,current_var(av)) ) THEN
	461	current_level(av) = 1
	462	current_var(av) = current_var(av) + 1
	463	ENDIF
[108]	464
[179]	465	#endif
[493]	466	ENDIF
[1]	467
[493]	468	ENDDO
[1]	469
[493]	470	ENDIF
	471
	472	998 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
[1]	473	!
[108]	474	!-- Print the number of the arrays processed
	475	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
	476	IF ( fanz(1) /= 0 ) THEN
	477	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
	478	ENDIF
[1]	479
	480	!
[108]	481	!-- Close all files and deallocate arrays
	482	DO id = 0, danz-1
	483	CLOSE ( id+110 )
	484	ENDDO
	485	CLOSE ( 2 )
	486	DEALLOCATE ( eta, ho, hu, pf )
[1]	487
	488	!
[493]	489	!-- Close the NetCDF file
	490	IF ( netcdf_output ) THEN
[1]	491	#if defined( __netcdf )
[493]	492	IF ( netcdf_0 ) THEN
	493	nc_stat = NF90_CLOSE( id_set(0) )
	494	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 11 )
	495	ENDIF
	496	IF ( netcdf_1 ) THEN
	497	nc_stat = NF90_CLOSE( id_set(1) )
	498	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 12 )
	499	ENDIF
	500	#endif
[108]	501	ENDIF
[493]	502	ENDIF
	503
	504	!
	505	!-- Output required cpu time
	506	IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
	507	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
	508	CALL SYSTEM_CLOCK( count, count_rate )
	509	cpu_end_time = REAL( count ) / REAL( count_rate )
	510	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
	511	cpu_end_time-cpu_start_time, ' sec'
	512	#elif defined( __ibm )
	513	cpu_end_time = IRTC( ) * 1E-9
	514	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
	515	cpu_end_time-cpu_start_time, ' sec'
	516	#else
	517	CONTINUE
[108]	518	#endif
[1]	519	ENDIF
	520
	521	!
[108]	522	!-- Choose the next cross-section
	523	SELECT CASE ( modus )
	524	CASE ( 'XY' )
	525	modus = 'XZ'
	526	CASE ( 'XZ' )
	527	modus = 'YZ'
	528	CASE ( 'YZ' )
	529	modus = 'no'
	530	END SELECT
[1]	531
[108]	532	ENDDO
[1]	533
	534
	535	!
[108]	536	!-- Combine the 3D-arrays
[493]	537	netcdf_parallel = .FALSE.
[1]	538
	539	!
[493]	540	!-- Info-output
	541	PRINT*, ' '
	542	PRINT, ' combine_plot_fields *'
	543
	544	!
	545	!-- Take current time
	546	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
	547	CALL SYSTEM_CLOCK( count, count_rate )
	548	cpu_start_time = REAL( count ) / REAL( count_rate )
	549	#elif defined( __ibm )
	550	cpu_start_time = IRTC( ) * 1E-9
	551	#else
	552	PRINT*, '+++ INFORMATIVE: no time measurement defined on this host'
	553	#endif
	554
	555	!
[108]	556	!-- Inquire whether an avs fld file exists
	557	INQUIRE( FILE='PLOT3D_FLD'//TRIM( model_string ), EXIST=avs_output )
[1]	558
	559	!
[108]	560	!-- Inquire whether a NetCDF file exists
	561	INQUIRE( FILE='DATA_3D_NETCDF'//TRIM( model_string ), EXIST=netcdf_0 )
[1]	562
	563	!
[108]	564	!-- Inquire whether a NetCDF file for time-averaged data exists
	565	INQUIRE( FILE='DATA_3D_AV_NETCDF'//TRIM( model_string ), EXIST=netcdf_1 )
[1]	566
[108]	567	IF ( netcdf_0 .OR. netcdf_1 ) THEN
	568	netcdf_output = .TRUE.
[493]	569	!
	570	!-- Inquire whether the NetCDF file is already complete (parallel output)
	571	INQUIRE( FILE='NO_COMBINE_PLOT_FIELDS_3D', EXIST=netcdf_parallel )
	572	IF ( netcdf_parallel ) THEN
	573	netcdf_parallel = .TRUE.
	574	ELSE
	575	netcdf_parallel = .FALSE.
	576	ENDIF
[108]	577	ELSE
	578	netcdf_output = .FALSE.
	579	ENDIF
[1]	580
	581	!
[493]	582	!-- Check, if file from PE0 exists; not neccessary in case of parallel
	583	!-- PALM output
	584	IF ( .NOT. netcdf_parallel ) THEN
	585	danz = 0
	586	WRITE (id_string,'(I4.4)') danz
	587	INQUIRE ( &
	588	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM( id_string ), &
	589	EXIST=found )
	590	ELSE
	591	found = .FALSE.
	592	ENDIF
[1]	593
	594	!
[108]	595	!-- Combination only works, if data are not compressed. In that case,
	596	!-- PALM created a flag file (PLOT3D_COMPRESSED)
	597	INQUIRE ( FILE='PLOT3D_COMPRESSED'//TRIM( model_string ), &
	598	EXIST=compressed )
[1]	599
	600	!
[108]	601	!-- Find out the number of files and open them
	602	DO WHILE ( found .AND. .NOT. compressed )
[1]	603
[108]	604	OPEN ( danz+110, &
	605	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
	606	FORM='UNFORMATTED')
	607	danz = danz + 1
	608	WRITE (id_string,'(I4.4)') danz
	609	INQUIRE ( &
	610	FILE='PLOT3D_DATA'//TRIM( model_string )//'_'//TRIM(id_string), &
	611	EXIST=found )
[1]	612
[108]	613	ENDDO
[1]	614
	615	#if defined( __netcdf )
[493]	616	IF ( netcdf_output ) THEN
	617	IF ( netcdf_parallel ) THEN
	618	PRINT*, ' NetCDF data are in one file (NetCDF4-format)', &
	619	' - merging not neccessary'
	620	ELSE
	621	PRINT*, ' NetCDF output enabled'
	622	ENDIF
	623	ENDIF
[1]	624	#else
	625	IF ( netcdf_output ) THEN
	626	PRINT*, '--- Sorry, no NetCDF support on this host'
	627	netcdf_output = .FALSE.
	628	ENDIF
	629	#endif
[493]	630	IF ( .NOT. netcdf_parallel ) THEN
	631	IF ( danz /= 0 ) THEN
	632	PRINT*, ' 3D-data: ', danz, ' file(s) found'
[108]	633	ELSE
[493]	634	IF ( found .AND. compressed ) THEN
	635	PRINT*, '+++ no 3D-data processing, since data are compressed'
	636	ELSE
	637	PRINT*, ' no 3D-data file available'
	638	ENDIF
[108]	639	ENDIF
[1]	640	ENDIF
	641
[493]	642	IF ( netcdf_output .AND. .NOT. netcdf_parallel .AND. danz /= 0 ) THEN
[1]	643	#if defined( __netcdf )
[108]	644	DO av = 0, 1
[1]	645
[108]	646	IF ( av == 0 .AND. .NOT. netcdf_0 ) CYCLE
	647	IF ( av == 1 .AND. .NOT. netcdf_1 ) CYCLE
[1]	648
	649	!
[108]	650	!-- Open NetCDF dataset
	651	IF ( av == 0 ) THEN
	652	filename = 'DATA_3D_NETCDF'//TRIM( model_string )
	653	ELSE
	654	filename = 'DATA_3D_AV_NETCDF'//TRIM( model_string )
	655	ENDIF
	656	nc_stat = NF90_OPEN( filename, NF90_WRITE, id_set(av) )
	657	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 13 )
[1]	658
	659
	660	!
[108]	661	!-- Get the list of variables (order of variables corresponds with the
	662	!-- order of data on the binary file)
	663	var_list(av) = ' ' ! GET_ATT does not assign trailing blanks
	664	nc_stat = NF90_GET_ATT( id_set(av), NF90_GLOBAL, 'VAR_LIST', &
	665	var_list(av) )
	666	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 14 )
[1]	667
	668	!
[108]	669	!-- Inquire id of the time coordinate variable
	670	nc_stat = NF90_INQ_VARID( id_set(av), 'time', id_var_time(av) )
	671	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 15 )
[1]	672
	673	!
[108]	674	!-- Count number of variables; there is one more semicolon in the
	675	!-- string than variable names
	676	num_var(av) = -1
	677	DO i = 1, LEN( var_list(av) )
	678	IF ( var_list(av)(i:i) == ';' ) num_var(av) = num_var(av) + 1
	679	ENDDO
[1]	680
	681	!
[108]	682	!-- Extract the variable names from the list and inquire their NetCDF
	683	!-- IDs
	684	pos = INDEX( var_list(av), ';' )
[1]	685	!
[108]	686	!-- Loop over all variables
	687	DO i = 1, num_var(av)
[1]	688
	689	!
[108]	690	!-- Extract variable name from list
	691	var_list(av) = var_list(av)(pos+1:)
	692	pos = INDEX( var_list(av), ';' )
	693	var_name = var_list(av)(1:pos-1)
[1]	694
	695	!
[108]	696	!-- Get variable ID from name
	697	nc_stat = NF90_INQ_VARID( id_set(av), TRIM( var_name ), &
	698	id_var(av,i) )
	699	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 16 )
[1]	700
[108]	701	ENDDO
[1]	702
[108]	703	ENDDO ! av=0,1
[1]	704
[179]	705	#endif
[108]	706	ENDIF
[1]	707
	708	!
[108]	709	!-- Read arrays, until the end of the file is reached
[493]	710	IF ( .NOT. netcdf_parallel ) THEN
[1]	711
[493]	712	current_var = 999999999
	713	fanz = 0
	714	DO WHILE ( danz /= 0 )
	715
[1]	716	!
[493]	717	!-- Loop over all files
	718	DO id = 0, danz-1
[1]	719	!
[493]	720	!-- File from PE0 contains special information at the beginning,
	721	!-- concerning the lower and upper indices of the total-domain used
	722	!-- in PALM (nxag, nxeg, nyag, nyeg, nzag, nzeg) and the lower and
	723	!-- upper indices of the array to be written by this routine (nxa,
	724	!-- nxe, nya, nye, nza, nze). Usually nxag=-1 and nxa=0, nyag=-1
	725	!-- and nya=0, nzeg=nz and nze=nz_plot3d.
	726	!-- Allocate necessary array and open the output file.
	727	IF ( id == 0 .AND. fanz(0) == 0 .AND. fanz(1) == 0 ) THEN
	728	READ ( id+110 ) nxag, nxeg, nyag, nyeg, nzag, nzeg
	729	READ ( id+110 ) nxa, nxe, nya, nye, nza, nze
	730	ALLOCATE ( pf3d(nxa:nxe,nya:nye,nza:nze) )
	731	IF ( avs_output ) THEN
	732	OPEN ( 2, FILE='PLOT3D_DATA'//TRIM( model_string ), &
	733	FORM='UNFORMATTED' )
	734	ENDIF
[108]	735	ENDIF
[1]	736
	737	!
[493]	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
[1]	743	!
[493]	744	!-- For compatibility with earlier PALM versions
	745	READ ( id+110, END=999 ) simulated_time, time_step
	746	av = 0
	747	ENDIF
[108]	748	ENDIF
[1]	749
	750	!
[493]	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
[210]	755
[493]	756	xxa = MAX( nxa, xa )
	757	xxe = MIN( nxe, xe )
	758	yya = MAX( nya, ya )
	759	yye = MIN( nye, ye )
	760	zza = MAX( nza, za )
	761	zze = MIN( nze, ze )
	762	DO k = zza, zze
	763	DO j = yya, yye
	764	DO i = xxa, xxe
	765	pf3d(i,j,k) = pf3d_tmp(i,j,k)
	766	ENDDO
[210]	767	ENDDO
	768	ENDDO
	769
[493]	770	DEALLOCATE( pf3d_tmp )
	771	IF ( id == 0 ) fanz(av) = fanz(av) + 1
[1]	772
[493]	773	ENDDO
[1]	774
	775	!
[493]	776	!-- Write data of the total domain
	777	IF ( avs_output ) WRITE ( 2 ) pf3d(nxa:nxe,nya:nye,nza:nze)
[1]	778
	779	!
[493]	780	!-- Write same data in NetCDF format
	781	IF ( netcdf_output ) THEN
[1]	782	#if defined( __netcdf )
	783	!
[493]	784	!-- Check if a new time step has begun; if yes write data to time
	785	!-- axis
	786	IF ( current_var(av) > num_var(av) ) THEN
	787	current_var(av) = 1
	788	nc_stat = NF90_PUT_VAR( id_set(av), id_var_time(av), &
	789	(/ simulated_time /),&
	790	start = (/ time_step /), count = (/ 1 /) )
	791	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 17 )
	792	ENDIF
[1]	793
	794	!
[493]	795	!-- Now write the data
	796	nc_stat = NF90_PUT_VAR( id_set(av), id_var(av,current_var(av)),&
	797	pf3d, start = (/ 1, 1, 1, time_step /),&
[1]	798	count = (/ nxe-nxa+1, nye-nya+1, nze-nza+1, 1 /) )
[493]	799	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 18 )
[1]	800
[493]	801	current_var(av) = current_var(av) + 1
[1]	802
	803	#endif
[493]	804	ENDIF
[1]	805
[493]	806	ENDDO
[1]	807
[493]	808	ENDIF
	809
	810	999 IF ( danz /= 0 .AND. .NOT. netcdf_parallel ) THEN
[1]	811	!
[108]	812	!-- Print the number of arrays processed
	813	WRITE (*,'(16X,I4,A)') fanz(0)+fanz(1), ' array(s) processed'
	814	IF ( fanz(1) /= 0 ) THEN
	815	WRITE (*,'(16X,I4,A)') fanz(1), ' array(s) are time-averaged'
	816	ENDIF
[1]	817	!
[108]	818	!-- Close all files and deallocate array
	819	DO id = 0, danz-1
	820	CLOSE ( id+110 )
	821	ENDDO
	822	CLOSE ( 2 )
	823	DEALLOCATE ( pf3d )
[1]	824	!
[108]	825	!-- Close the NetCDF file
	826	IF ( netcdf_output ) THEN
[1]	827	#if defined( __netcdf )
[108]	828	IF ( netcdf_0 ) THEN
	829	nc_stat = NF90_CLOSE( id_set(0) )
	830	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 19 )
	831	ENDIF
	832	IF ( netcdf_1 ) THEN
	833	nc_stat = NF90_CLOSE( id_set(1) )
	834	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( 20 )
	835	ENDIF
	836	#endif
[1]	837	ENDIF
[493]	838
	839	!
	840	!-- Output required cpu time
	841	#if defined( __lc ) \|\| defined( __decalpha ) \|\| defined( __nec )
	842	CALL SYSTEM_CLOCK( count, count_rate )
	843	cpu_end_time = REAL( count ) / REAL( count_rate )
	844	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
	845	cpu_end_time-cpu_start_time, ' sec'
	846	#elif defined( __ibm )
	847	cpu_end_time = IRTC( ) * 1E-9
	848	WRITE (*,'(5X,A,F9.3,A)') 'Required cpu-time: ', &
	849	cpu_end_time-cpu_start_time, ' sec'
	850	#endif
	851
[1]	852	ENDIF
	853
[108]	854	ENDDO ! models
[1]	855
[108]	856
[1]	857	CONTAINS
	858
	859
	860	SUBROUTINE handle_netcdf_error( errno )
	861	!
	862	!-- Prints out a text message corresponding to the current NetCDF status
	863
	864	IMPLICIT NONE
	865
	866	INTEGER, INTENT(IN) :: errno
	867
[179]	868	#if defined( __netcdf )
[1]	869	IF ( nc_stat /= NF90_NOERR ) THEN
	870	PRINT*, '+++ combine_plot_fields netcdf: ', av, errno, &
	871	TRIM( nf90_strerror( nc_stat ) )
	872	ENDIF
[179]	873	#endif
[1]	874
	875	END SUBROUTINE handle_netcdf_error
	876
	877
	878	END PROGRAM combine_plot_fields
	879
	880
	881

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