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source: palm/trunk/SOURCE/data_output_mask.f90 @ 1966

Last change on this file since 1966 was 1961, checked in by suehring, 8 years ago
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1	!> @file data_output_mask.f90
2	!--------------------------------------------------------------------------------!
3	! This file is part of PALM.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the terms
6	! of the GNU General Public License as published by the Free Software Foundation,
7	! either version 3 of the License, or (at your option) any later version.
8	!
9	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
10	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
11	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
12	!
13	! You should have received a copy of the GNU General Public License along with
14	! PALM. If not, see <http://www.gnu.org/licenses/>.
15	!
16	! Copyright 1997-2016 Leibniz Universitaet Hannover
17	!--------------------------------------------------------------------------------!
18	!
19	! Current revisions:
20	! -----------------
21	!
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: data_output_mask.f90 1961 2016-07-12 16:37:58Z maronga $
26	!
27	! 1960 2016-07-12 16:34:24Z suehring
28	! Separate humidity and passive scalar
29	!
30	! 2016-03-06 18:36:17Z raasch
31	! name change of netcdf routines and module + related changes,
32	! switch back of netcdf data format moved from time integration routine to here
33	!
34	! 1691 2015-10-26 16:17:44Z maronga
35	! Added output of radiative heating rates for RRTMG
36	!
37	! 1682 2015-10-07 23:56:08Z knoop
38	! Code annotations made doxygen readable
39	!
40	! 1585 2015-04-30 07:05:52Z maronga
41	! Added support for RRTMG
42	!
43	! 1438 2014-07-22 14:14:06Z heinze
44	! +nr, qc, qr
45	!
46	! 1359 2014-04-11 17:15:14Z hoffmann
47	! New particle structure integrated.
48	!
49	! 1353 2014-04-08 15:21:23Z heinze
50	! REAL constants provided with KIND-attribute
51	!
52	! 1327 2014-03-21 11:00:16Z raasch
53	!
54	!
55	! 1320 2014-03-20 08:40:49Z raasch
56	! ONLY-attribute added to USE-statements,
57	! kind-parameters added to all INTEGER and REAL declaration statements,
58	! kinds are defined in new module kinds,
59	! revision history before 2012 removed,
60	! comment fields (!:) to be used for variable explanations added to
61	! all variable declaration statements
62	!
63	! 1318 2014-03-17 13:35:16Z raasch
64	! barrier argument removed from cpu_log,
65	! module interfaces removed
66	!
67	! 1092 2013-02-02 11:24:22Z raasch
68	! unused variables removed
69	!
70	! 1036 2012-10-22 13:43:42Z raasch
71	! code put under GPL (PALM 3.9)
72	!
73	! 1031 2012-10-19 14:35:30Z raasch
74	! netCDF4 without parallel file support implemented
75	!
76	! 1007 2012-09-19 14:30:36Z franke
77	! Bugfix: calculation of pr must depend on the particle weighting factor,
78	! missing calculation of ql_vp added
79	!
80	! 410 2009-12-04 17:05:40Z letzel
81	! Initial version
82	!
83	! Description:
84	! ------------
85	!> Masked data output in netCDF format for current mask (current value of mid).
86	!------------------------------------------------------------------------------!
87	SUBROUTINE data_output_mask( av )
88
89
90
91	#if defined( __netcdf )
92	USE arrays_3d, &
93	ONLY: e, nr, p, pt, q, qc, ql, ql_c, ql_v, qr, rho, s, sa, tend, u, &
94	v, vpt, w
95
96	USE averaging, &
97	ONLY: e_av, lpt_av, nr_av, p_av, pc_av, pr_av, pt_av, q_av, qc_av, &
98	ql_av, ql_c_av, ql_v_av, ql_vp_av, qv_av, qr_av, rho_av, s_av, &
99	sa_av, u_av, v_av, vpt_av, w_av
100
101	USE cloud_parameters, &
102	ONLY: l_d_cp, pt_d_t
103
104	USE control_parameters, &
105	ONLY: cloud_physics, domask, domask_no, domask_time_count, mask_i, &
106	mask_j, mask_k, mask_size, mask_size_l, mask_start_l, &
107	max_masks, message_string, mid, nz_do3d, simulated_time
108	USE cpulog, &
109	ONLY: cpu_log, log_point
110
111	USE indices, &
112	ONLY: nbgp, nxl, nxr, nyn, nys, nzb, nzt
113
114	USE kinds
115
116	USE NETCDF
117
118	USE netcdf_interface, &
119	ONLY: id_set_mask, id_var_domask, id_var_time_mask, nc_stat, &
120	netcdf_data_format, netcdf_handle_error
121
122	USE particle_attributes, &
123	ONLY: grid_particles, number_of_particles, particles, &
124	particle_advection_start, prt_count
125
126	USE pegrid
127
128	USE radiation_model_mod, &
129	ONLY: rad_lw_in, rad_lw_in_av, rad_lw_out, rad_lw_out_av, &
130	rad_lw_cs_hr, rad_lw_cs_hr_av, rad_lw_hr, rad_lw_hr_av, &
131	rad_sw_in, rad_sw_in_av, rad_sw_out, rad_sw_out_av, &
132	rad_sw_cs_hr, rad_sw_cs_hr_av, rad_sw_hr, rad_sw_hr_av
133
134
135	IMPLICIT NONE
136
137	INTEGER(iwp) :: av !<
138	INTEGER(iwp) :: ngp !<
139	INTEGER(iwp) :: i !<
140	INTEGER(iwp) :: if !<
141	INTEGER(iwp) :: j !<
142	INTEGER(iwp) :: k !<
143	INTEGER(iwp) :: n !<
144	INTEGER(iwp) :: netcdf_data_format_save !<
145	INTEGER(iwp) :: psi !<
146	INTEGER(iwp) :: sender !<
147	INTEGER(iwp) :: ind(6) !<
148
149	LOGICAL :: found !<
150	LOGICAL :: resorted !<
151
152	REAL(wp) :: mean_r !<
153	REAL(wp) :: s_r2 !<
154	REAL(wp) :: s_r3 !<
155
156	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
157	#if defined( __parallel )
158	REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: total_pf !<
159	#endif
160	REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !<
161
162	!
163	!-- Return, if nothing to output
164	IF ( domask_no(mid,av) == 0 ) RETURN
165
166	CALL cpu_log (log_point(49),'data_output_mask','start')
167
168	!
169	!-- Parallel netcdf output is not tested so far for masked data, hence
170	!-- netcdf_data_format is switched back to non-paralell output.
171	netcdf_data_format_save = netcdf_data_format
172	IF ( netcdf_data_format == 5 ) netcdf_data_format = 3
173	IF ( netcdf_data_format == 6 ) netcdf_data_format = 4
174
175	!
176	!-- Open output file.
177	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
178	CALL check_open( 200+mid+av*max_masks )
179	ENDIF
180
181	!
182	!-- Allocate total and local output arrays.
183	#if defined( __parallel )
184	IF ( myid == 0 ) THEN
185	ALLOCATE( total_pf(mask_size(mid,1),mask_size(mid,2),mask_size(mid,3)) )
186	ENDIF
187	#endif
188	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
189	mask_size_l(mid,3)) )
190
191	!
192	!-- Update the netCDF time axis.
193	domask_time_count(mid,av) = domask_time_count(mid,av) + 1
194	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
195	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), id_var_time_mask(mid,av), &
196	(/ simulated_time /), &
197	start = (/ domask_time_count(mid,av) /), &
198	count = (/ 1 /) )
199	CALL netcdf_handle_error( 'data_output_mask', 460 )
200	ENDIF
201
202	!
203	!-- Loop over all variables to be written.
204	if = 1
205
206	DO WHILE ( domask(mid,av,if)(1:1) /= ' ' )
207	!
208	!-- Reallocate local_pf on PE 0 since its shape changes during MPI exchange
209	IF ( netcdf_data_format < 5 .AND. myid == 0 .AND. if > 1 ) THEN
210	DEALLOCATE( local_pf )
211	ALLOCATE( local_pf(mask_size_l(mid,1),mask_size_l(mid,2), &
212	mask_size_l(mid,3)) )
213	ENDIF
214	!
215	!-- Store the variable chosen.
216	resorted = .FALSE.
217	SELECT CASE ( TRIM( domask(mid,av,if) ) )
218
219	CASE ( 'e' )
220	IF ( av == 0 ) THEN
221	to_be_resorted => e
222	ELSE
223	to_be_resorted => e_av
224	ENDIF
225
226	CASE ( 'lpt' )
227	IF ( av == 0 ) THEN
228	to_be_resorted => pt
229	ELSE
230	to_be_resorted => lpt_av
231	ENDIF
232
233	CASE ( 'nr' )
234	IF ( av == 0 ) THEN
235	to_be_resorted => nr
236	ELSE
237	to_be_resorted => nr_av
238	ENDIF
239
240	CASE ( 'p' )
241	IF ( av == 0 ) THEN
242	to_be_resorted => p
243	ELSE
244	to_be_resorted => p_av
245	ENDIF
246
247	CASE ( 'pc' ) ! particle concentration (requires ghostpoint exchange)
248	IF ( av == 0 ) THEN
249	tend = prt_count
250	CALL exchange_horiz( tend, nbgp )
251	DO i = 1, mask_size_l(mid,1)
252	DO j = 1, mask_size_l(mid,2)
253	DO k = 1, mask_size_l(mid,3)
254	local_pf(i,j,k) = tend(mask_k(mid,k), &
255	mask_j(mid,j),mask_i(mid,i))
256	ENDDO
257	ENDDO
258	ENDDO
259	resorted = .TRUE.
260	ELSE
261	CALL exchange_horiz( pc_av, nbgp )
262	to_be_resorted => pc_av
263	ENDIF
264
265	CASE ( 'pr' ) ! mean particle radius (effective radius)
266	IF ( av == 0 ) THEN
267	IF ( simulated_time >= particle_advection_start ) THEN
268	DO i = nxl, nxr
269	DO j = nys, nyn
270	DO k = nzb, nz_do3d
271	number_of_particles = prt_count(k,j,i)
272	IF (number_of_particles <= 0) CYCLE
273	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
274	s_r2 = 0.0_wp
275	s_r3 = 0.0_wp
276	DO n = 1, number_of_particles
277	IF ( particles(n)%particle_mask ) THEN
278	s_r2 = s_r2 + grid_particles(k,j,i)%particles(n)%radius*2 &
279	grid_particles(k,j,i)%particles(n)%weight_factor
280	s_r3 = s_r3 + grid_particles(k,j,i)%particles(n)%radius*3 &
281	grid_particles(k,j,i)%particles(n)%weight_factor
282	ENDIF
283	ENDDO
284	IF ( s_r2 > 0.0_wp ) THEN
285	mean_r = s_r3 / s_r2
286	ELSE
287	mean_r = 0.0_wp
288	ENDIF
289	tend(k,j,i) = mean_r
290	ENDDO
291	ENDDO
292	ENDDO
293	CALL exchange_horiz( tend, nbgp )
294	ELSE
295	tend = 0.0_wp
296	ENDIF
297	DO i = 1, mask_size_l(mid,1)
298	DO j = 1, mask_size_l(mid,2)
299	DO k = 1, mask_size_l(mid,3)
300	local_pf(i,j,k) = tend(mask_k(mid,k), &
301	mask_j(mid,j),mask_i(mid,i))
302	ENDDO
303	ENDDO
304	ENDDO
305	resorted = .TRUE.
306	ELSE
307	CALL exchange_horiz( pr_av, nbgp )
308	to_be_resorted => pr_av
309	ENDIF
310
311	CASE ( 'pt' )
312	IF ( av == 0 ) THEN
313	IF ( .NOT. cloud_physics ) THEN
314	to_be_resorted => pt
315	ELSE
316	DO i = 1, mask_size_l(mid,1)
317	DO j = 1, mask_size_l(mid,2)
318	DO k = 1, mask_size_l(mid,3)
319	local_pf(i,j,k) = &
320	pt(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) &
321	+ l_d_cp * pt_d_t(mask_k(mid,k)) * &
322	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
323	ENDDO
324	ENDDO
325	ENDDO
326	resorted = .TRUE.
327	ENDIF
328	ELSE
329	to_be_resorted => pt_av
330	ENDIF
331
332	CASE ( 'q' )
333	IF ( av == 0 ) THEN
334	to_be_resorted => q
335	ELSE
336	to_be_resorted => q_av
337	ENDIF
338
339	CASE ( 'qc' )
340	IF ( av == 0 ) THEN
341	to_be_resorted => qc
342	ELSE
343	to_be_resorted => qc_av
344	ENDIF
345
346	CASE ( 'ql' )
347	IF ( av == 0 ) THEN
348	to_be_resorted => ql
349	ELSE
350	to_be_resorted => ql_av
351	ENDIF
352
353	CASE ( 'ql_c' )
354	IF ( av == 0 ) THEN
355	to_be_resorted => ql_c
356	ELSE
357	to_be_resorted => ql_c_av
358	ENDIF
359
360	CASE ( 'ql_v' )
361	IF ( av == 0 ) THEN
362	to_be_resorted => ql_v
363	ELSE
364	to_be_resorted => ql_v_av
365	ENDIF
366
367	CASE ( 'ql_vp' )
368	IF ( av == 0 ) THEN
369	IF ( simulated_time >= particle_advection_start ) THEN
370	DO i = nxl, nxr
371	DO j = nys, nyn
372	DO k = nzb, nz_do3d
373	number_of_particles = prt_count(k,j,i)
374	IF (number_of_particles <= 0) CYCLE
375	particles => grid_particles(k,j,i)%particles(1:number_of_particles)
376	DO n = 1, number_of_particles
377	IF ( particles(n)%particle_mask ) THEN
378	tend(k,j,i) = tend(k,j,i) + &
379	particles(n)%weight_factor / &
380	prt_count(k,j,i)
381	ENDIF
382	ENDDO
383	ENDDO
384	ENDDO
385	ENDDO
386	CALL exchange_horiz( tend, nbgp )
387	ELSE
388	tend = 0.0_wp
389	ENDIF
390	DO i = 1, mask_size_l(mid,1)
391	DO j = 1, mask_size_l(mid,2)
392	DO k = 1, mask_size_l(mid,3)
393	local_pf(i,j,k) = tend(mask_k(mid,k), &
394	mask_j(mid,j),mask_i(mid,i))
395	ENDDO
396	ENDDO
397	ENDDO
398	resorted = .TRUE.
399	ELSE
400	CALL exchange_horiz( ql_vp_av, nbgp )
401	to_be_resorted => ql_vp_av
402	ENDIF
403
404	CASE ( 'qv' )
405	IF ( av == 0 ) THEN
406	DO i = 1, mask_size_l(mid,1)
407	DO j = 1, mask_size_l(mid,2)
408	DO k = 1, mask_size_l(mid,3)
409	local_pf(i,j,k) = &
410	q(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i)) - &
411	ql(mask_k(mid,k),mask_j(mid,j),mask_i(mid,i))
412	ENDDO
413	ENDDO
414	ENDDO
415	resorted = .TRUE.
416	ELSE
417	to_be_resorted => qv_av
418	ENDIF
419
420	CASE ( 'qr' )
421	IF ( av == 0 ) THEN
422	to_be_resorted => qr
423	ELSE
424	to_be_resorted => qr_av
425	ENDIF
426
427	CASE ( 'rad_lw_in' )
428	IF ( av == 0 ) THEN
429	to_be_resorted => rad_lw_in
430	ELSE
431	to_be_resorted => rad_lw_in_av
432	ENDIF
433
434	CASE ( 'rad_lw_out' )
435	IF ( av == 0 ) THEN
436	to_be_resorted => rad_lw_out
437	ELSE
438	to_be_resorted => rad_lw_out_av
439	ENDIF
440
441	CASE ( 'rad_lw_cs_hr' )
442	IF ( av == 0 ) THEN
443	to_be_resorted => rad_lw_cs_hr
444	ELSE
445	to_be_resorted => rad_lw_cs_hr_av
446	ENDIF
447
448	CASE ( 'rad_lw_hr' )
449	IF ( av == 0 ) THEN
450	to_be_resorted => rad_lw_hr
451	ELSE
452	to_be_resorted => rad_lw_hr_av
453	ENDIF
454
455	CASE ( 'rad_sw_in' )
456	IF ( av == 0 ) THEN
457	to_be_resorted => rad_sw_in
458	ELSE
459	to_be_resorted => rad_sw_in_av
460	ENDIF
461
462	CASE ( 'rad_sw_out' )
463	IF ( av == 0 ) THEN
464	to_be_resorted => rad_sw_out
465	ELSE
466	to_be_resorted => rad_sw_out_av
467	ENDIF
468
469	CASE ( 'rad_sw_cs_hr' )
470	IF ( av == 0 ) THEN
471	to_be_resorted => rad_sw_cs_hr
472	ELSE
473	to_be_resorted => rad_sw_cs_hr_av
474	ENDIF
475
476	CASE ( 'rad_sw_hr' )
477	IF ( av == 0 ) THEN
478	to_be_resorted => rad_sw_hr
479	ELSE
480	to_be_resorted => rad_sw_hr_av
481	ENDIF
482
483	CASE ( 'rho' )
484	IF ( av == 0 ) THEN
485	to_be_resorted => rho
486	ELSE
487	to_be_resorted => rho_av
488	ENDIF
489
490	CASE ( 's' )
491	IF ( av == 0 ) THEN
492	to_be_resorted => s
493	ELSE
494	to_be_resorted => s_av
495	ENDIF
496
497	CASE ( 'sa' )
498	IF ( av == 0 ) THEN
499	to_be_resorted => sa
500	ELSE
501	to_be_resorted => sa_av
502	ENDIF
503
504	CASE ( 'u' )
505	IF ( av == 0 ) THEN
506	to_be_resorted => u
507	ELSE
508	to_be_resorted => u_av
509	ENDIF
510
511	CASE ( 'v' )
512	IF ( av == 0 ) THEN
513	to_be_resorted => v
514	ELSE
515	to_be_resorted => v_av
516	ENDIF
517
518	CASE ( 'vpt' )
519	IF ( av == 0 ) THEN
520	to_be_resorted => vpt
521	ELSE
522	to_be_resorted => vpt_av
523	ENDIF
524
525	CASE ( 'w' )
526	IF ( av == 0 ) THEN
527	to_be_resorted => w
528	ELSE
529	to_be_resorted => w_av
530	ENDIF
531
532	CASE DEFAULT
533	!
534	!-- User defined quantity
535	CALL user_data_output_mask(av, domask(mid,av,if), found, local_pf )
536	resorted = .TRUE.
537
538	IF ( .NOT. found ) THEN
539	WRITE ( message_string, * ) 'no output available for: ', &
540	TRIM( domask(mid,av,if) )
541	CALL message( 'data_output_mask', 'PA0327', 0, 0, 0, 6, 0 )
542	ENDIF
543
544	END SELECT
545
546	!
547	!-- Resort the array to be output, if not done above
548	IF ( .NOT. resorted ) THEN
549	DO i = 1, mask_size_l(mid,1)
550	DO j = 1, mask_size_l(mid,2)
551	DO k = 1, mask_size_l(mid,3)
552	local_pf(i,j,k) = to_be_resorted(mask_k(mid,k), &
553	mask_j(mid,j),mask_i(mid,i))
554	ENDDO
555	ENDDO
556	ENDDO
557	ENDIF
558
559	!
560	!-- I/O block. I/O methods are implemented
561	!-- (1) for parallel execution
562	!-- a. with netCDF 4 parallel I/O-enabled library
563	!-- b. with netCDF 3 library
564	!-- (2) for serial execution.
565	!-- The choice of method depends on the correct setting of preprocessor
566	!-- directives __parallel and __netcdf4_parallel as well as on the parameter
567	!-- netcdf_data_format.
568	#if defined( __parallel )
569	#if defined( __netcdf4_parallel )
570	IF ( netcdf_data_format > 4 ) THEN
571	!
572	!-- (1) a. Parallel I/O using netCDF 4 (not yet tested)
573	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
574	id_var_domask(mid,av,if), &
575	local_pf, &
576	start = (/ mask_start_l(mid,1), mask_start_l(mid,2), &
577	mask_start_l(mid,3), domask_time_count(mid,av) /), &
578	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
579	mask_size_l(mid,3), 1 /) )
580	CALL netcdf_handle_error( 'data_output_mask', 461 )
581	ELSE
582	#endif
583	!
584	!-- (1) b. Conventional I/O only through PE0
585	!-- PE0 receives partial arrays from all processors of the respective mask
586	!-- and outputs them. Here a barrier has to be set, because otherwise
587	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
588	CALL MPI_BARRIER( comm2d, ierr )
589
590	ngp = mask_size_l(mid,1) * mask_size_l(mid,2) * mask_size_l(mid,3)
591	IF ( myid == 0 ) THEN
592	!
593	!-- Local array can be relocated directly.
594	total_pf( &
595	mask_start_l(mid,1):mask_start_l(mid,1)+mask_size_l(mid,1)-1, &
596	mask_start_l(mid,2):mask_start_l(mid,2)+mask_size_l(mid,2)-1, &
597	mask_start_l(mid,3):mask_start_l(mid,3)+mask_size_l(mid,3)-1 ) &
598	= local_pf
599	!
600	!-- Receive data from all other PEs.
601	DO n = 1, numprocs-1
602	!
603	!-- Receive index limits first, then array.
604	!-- Index limits are received in arbitrary order from the PEs.
605	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
606	comm2d, status, ierr )
607	!
608	!-- Not all PEs have data for the mask
609	IF ( ind(1) /= -9999 ) THEN
610	ngp = ( ind(2)-ind(1)+1 ) * (ind(4)-ind(3)+1 ) * &
611	( ind(6)-ind(5)+1 )
612	sender = status(MPI_SOURCE)
613	DEALLOCATE( local_pf )
614	ALLOCATE(local_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)))
615	CALL MPI_RECV( local_pf(ind(1),ind(3),ind(5)), ngp, &
616	MPI_REAL, sender, 1, comm2d, status, ierr )
617	total_pf(ind(1):ind(2),ind(3):ind(4),ind(5):ind(6)) &
618	= local_pf
619	ENDIF
620	ENDDO
621
622	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
623	id_var_domask(mid,av,if), total_pf, &
624	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
625	count = (/ mask_size(mid,1), mask_size(mid,2), &
626	mask_size(mid,3), 1 /) )
627	CALL netcdf_handle_error( 'data_output_mask', 462 )
628
629	ELSE
630	!
631	!-- If at least part of the mask resides on the PE, send the index
632	!-- limits for the target array, otherwise send -9999 to PE0.
633	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
634	mask_size_l(mid,3) > 0 ) &
635	THEN
636	ind(1) = mask_start_l(mid,1)
637	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
638	ind(3) = mask_start_l(mid,2)
639	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
640	ind(5) = mask_start_l(mid,3)
641	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
642	ELSE
643	ind(1) = -9999; ind(2) = -9999
644	ind(3) = -9999; ind(4) = -9999
645	ind(5) = -9999; ind(6) = -9999
646	ENDIF
647	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
648	!
649	!-- If applicable, send data to PE0.
650	IF ( ind(1) /= -9999 ) THEN
651	CALL MPI_SEND( local_pf(1,1,1), ngp, MPI_REAL, 0, 1, comm2d, &
652	ierr )
653	ENDIF
654	ENDIF
655	!
656	!-- A barrier has to be set, because otherwise some PEs may proceed too
657	!-- fast so that PE0 may receive wrong data on tag 0.
658	CALL MPI_BARRIER( comm2d, ierr )
659	#if defined( __netcdf4_parallel )
660	ENDIF
661	#endif
662	#else
663	!
664	!-- (2) For serial execution of PALM, the single processor (PE0) holds all
665	!-- data and writes them directly to file.
666	nc_stat = NF90_PUT_VAR( id_set_mask(mid,av), &
667	id_var_domask(mid,av,if), &
668	local_pf, &
669	start = (/ 1, 1, 1, domask_time_count(mid,av) /), &
670	count = (/ mask_size_l(mid,1), mask_size_l(mid,2), &
671	mask_size_l(mid,3), 1 /) )
672	CALL netcdf_handle_error( 'data_output_mask', 463 )
673	#endif
674
675	if = if + 1
676
677	ENDDO
678
679	!
680	!-- Deallocate temporary arrays.
681	DEALLOCATE( local_pf )
682	#if defined( __parallel )
683	IF ( myid == 0 ) THEN
684	DEALLOCATE( total_pf )
685	ENDIF
686	#endif
687
688	!
689	!-- Switch back to original format given by user (see beginning of this routine)
690	netcdf_data_format = netcdf_data_format_save
691
692	CALL cpu_log( log_point(49), 'data_output_mask', 'stop' )
693	#endif
694
695	END SUBROUTINE data_output_mask

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