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source: palm/trunk/SOURCE/init_masks.f90 @ 3661

Last change on this file since 3661 was 3655, checked in by knoop, 6 years ago
Bugfix: made "unit" and "found" intend INOUT in module interface subroutines + automatic copyright update
Property svn:keywords set to `Id`
File size: 34.9 KB

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1	!> @file init_masks.f90
2	!------------------------------------------------------------------------------!
3	! This file is part of the PALM model system.
4	!
5	! PALM is free software: you can redistribute it and/or modify it under the
6	! terms of the GNU General Public License as published by the Free Software
7	! Foundation, either version 3 of the License, or (at your option) any later
8	! 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 1997-2019 Leibniz Universitaet Hannover
18	!------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	!
24	! Former revisions:
25	! -----------------
26	! $Id: init_masks.f90 3655 2019-01-07 16:51:22Z suehring $
27	! Move the control parameter "salsa" from salsa_mod to control_parameters
28	! (M. Kurppa)
29	!
30	! 3582 2018-11-29 19:16:36Z suehring
31	! add variable description
32	!
33	! 3512 2018-11-09 18:09:51Z gronemeier
34	! Bugfix: do not output ghost points if mask_x/y_loop is not specified
35	!
36	! 3467 2018-10-30 19:05:21Z suehring
37	! Implementation of a new aerosol module salsa.
38	!
39	! 3435 2018-10-26 18:25:44Z gronemeier
40	! Add checks for chemistry and radiation model
41	! Set indices for terrain-following masked output
42	!
43	! 3421 2018-10-24 18:39:32Z gronemeier
44	! Renamed output variables
45	!
46	! 3419 2018-10-24 17:27:31Z gronemeier
47	! ocean renamed ocean_mode
48	!
49	! 3274 2018-09-24 15:42:55Z knoop
50	! Modularization of all bulk cloud physics code components
51	!
52	! 3065 2018-06-12 07:03:02Z Giersch
53	! dz_stretch_level was replaced by dz_stretch_level_start
54	!
55	! 3049 2018-05-29 13:52:36Z Giersch
56	! Error messages revised
57	!
58	! 3045 2018-05-28 07:55:41Z Giersch
59	! Error messages revised
60	!
61	! 2718 2018-01-02 08:49:38Z maronga
62	! Corrected "Former revisions" section
63	!
64	! 2696 2017-12-14 17:12:51Z kanani
65	! Change in file header (GPL part)
66	!
67	! 2344 2017-08-09 11:00:34Z raasch
68	! explicit setting of initial values for array domask required due to a bug
69	! in the Cray compiler (appears only if option -eD is used)
70	!
71	! 2301 2017-06-29 16:41:21Z gronemeier
72	! Bugfix: set variable name length to global value
73	!
74	!
75	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
76	! includes two more prognostic equations for cloud drop concentration (nc)
77	! and cloud water content (qc).
78	!
79	! 2271 2017-06-09 12:34:55Z sward
80	! Changed error message
81	!
82	! 2101 2017-01-05 16:42:31Z suehring
83	!
84	! 2031 2016-10-21 15:11:58Z knoop
85	! renamed variable rho to rho_ocean
86	!
87	! 2000 2016-08-20 18:09:15Z knoop
88	! Forced header and separation lines into 80 columns
89	!
90	! 1822 2016-04-07 07:49:42Z hoffmann
91	! icloud_scheme replaced by microphysics_*
92	!
93	! 1804 2016-04-05 16:30:18Z maronga
94	! Removed code for parameter file check (__check)
95	!
96	! 1783 2016-03-06 18:36:17Z raasch
97	! netcdf module name changed + related changes
98	!
99	! 1682 2015-10-07 23:56:08Z knoop
100	! Code annotations made doxygen readable
101	!
102	! 1438 2014-07-22 14:14:06Z heinze
103	! +nr, qc, qr
104	!
105	! 1414 2014-05-31 11:19:48Z gronemeier
106	! Bugfix: first and last grid points as they appear in 3D volume data can now
107	! be included to masked data output
108	!
109	! 1353 2014-04-08 15:21:23Z heinze
110	! REAL constants provided with KIND-attribute
111	!
112	! 1324 2014-03-21 09:13:16Z suehring
113	! Bugfix: ONLY statement for module netcdf_control removed
114	!
115	! 1320 2014-03-20 08:40:49Z raasch
116	! ONLY-attribute added to USE-statements,
117	! kind-parameters added to all INTEGER and REAL declaration statements,
118	! kinds are defined in new module kinds,
119	! revision history before 2012 removed,
120	! comment fields (!:) to be used for variable explanations added to
121	! all variable declaration statements
122	!
123	! 1186 2013-06-18 06:22:52Z raasch
124	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
125	! because a zero value does not work in case of ocean runs
126	!
127	! 1036 2012-10-22 13:43:42Z raasch
128	! code put under GPL (PALM 3.9)
129	!
130	! 1032 2012-10-21 13:03:21Z letzel
131	! mask locations determined based on scalar positions
132	!
133	! 1031 2012-10-19 14:35:30Z raasch
134	! netCDF4 without parallel file support implemented
135	!
136	! 996 2012-09-07 10:41:47Z raasch
137	! little reformatting
138	!
139	! 978 2012-08-09 08:28:32Z fricke
140	! +z0h*
141	!
142	! 809 2012-01-30 13:32:58Z maronga
143	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
144	!
145	! 807 2012-01-25 11:53:51Z maronga
146	! New cpp directive "__check" implemented which is used by check_namelist_files
147	!
148	! 410 2009-12-04 17:05:40Z letzel
149	! Initial revision
150	!
151	!
152	! Description:
153	! ------------
154	!> Initialize masked data output
155	!------------------------------------------------------------------------------!
156	SUBROUTINE init_masks
157
158	USE arrays_3d, &
159	ONLY: zu, zw
160
161	USE bulk_cloud_model_mod, &
162	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
163
164	USE chemistry_model_mod, &
165	ONLY: chem_check_data_output
166
167	USE control_parameters, &
168	ONLY: air_chemistry, &
169	constant_diffusion, cloud_droplets, &
170	data_output_masks, data_output_masks_user, &
171	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
172	humidity, mask, masks, mask_scale, mask_i, &
173	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
174	mask_k_over_surface, &
175	mask_loop, mask_size, mask_size_l, mask_start_l, &
176	mask_surface, mask_x, &
177	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
178	mask_z_loop, max_masks, message_string, mid, &
179	passive_scalar, ocean_mode, salsa, varnamelength
180
181	USE grid_variables, &
182	ONLY: dx, dy
183
184	USE indices, &
185	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
186
187	USE kinds
188
189	USE netcdf_interface, &
190	ONLY: domask_unit, netcdf_data_format
191
192	USE particle_attributes, &
193	ONLY: particle_advection
194
195	USE pegrid
196
197	USE radiation_model_mod, &
198	ONLY: radiation, radiation_check_data_output
199
200	USE salsa_mod, &
201	ONLY: salsa_check_data_output
202
203	IMPLICIT NONE
204
205	CHARACTER (LEN=varnamelength) :: var !< contains variable name
206	CHARACTER (LEN=7) :: unit !< contains unit of variable
207
208	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !< list of output variables
209	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !< list of user-specified output variables
210
211	INTEGER(iwp) :: count !< counting masking indices along a dimension
212	INTEGER(iwp) :: i !< loop index
213	INTEGER(iwp) :: ilen !< length of string saved in 'do_mask'
214	INTEGER(iwp) :: ind(6) !< index limits (lower/upper bounds) of output array
215	INTEGER(iwp) :: ind_array(1) !< array index
216	INTEGER(iwp) :: j !< loop index
217	INTEGER(iwp) :: k !< loop index
218	INTEGER(iwp) :: m !< mask index
219	INTEGER(iwp) :: n !< loop index
220	INTEGER(iwp) :: sender !< PE id of sending PE
221
222	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !< temporary 1D array
223
224	LOGICAL :: found !< true if variable is found
225
226	!
227	!-- Initial values are explicitly set here due to a bug in the Cray compiler
228	!-- in case of assignments of initial values in declaration statements for
229	!-- arrays with more than 9999 elements (appears with -eD only)
230	domask = ' '
231
232	!
233	!-- Allocation and initialization
234	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
235
236	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
237	mask_j(max_masks,nyn-nys+2), &
238	mask_k(max_masks,nzt-nzb+2) )
239	!
240	!-- internal mask arrays ("mask,dimension,selection")
241	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
242	mask_loop(max_masks,3,3) )
243
244	!
245	!-- Parallel mask output not yet supported. In check_parameters data format
246	!-- is restricted and is switched back to non-parallel output. Therefore the
247	!-- following error can not occur at the moment.
248	IF ( netcdf_data_format > 4 ) THEN
249	message_string = 'netCDF file formats '// &
250	'5 and 6 (with parallel I/O support)'// &
251	' are currently not supported.'
252	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
253	ENDIF
254
255	!
256	!-- Store data output parameters for masked data output in few shared arrays
257	DO mid = 1, masks
258
259	do_mask (mid,:) = data_output_masks(mid,:)
260	do_mask_user(mid,:) = data_output_masks_user(mid,:)
261	mask (mid,1,:) = mask_x(mid,:)
262	mask (mid,2,:) = mask_y(mid,:)
263	mask (mid,3,:) = mask_z(mid,:)
264	!
265	!-- Flag a mask as terrain following
266	IF ( mask_k_over_surface(mid,1) /= -1_iwp ) THEN
267	mask_surface(mid) = .TRUE.
268	ENDIF
269
270	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
271	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
272	mask_loop(mid,1,1:2) = -1.0_wp
273	mask_loop(mid,1,3) = 0.0_wp
274	ELSE
275	mask_loop(mid,1,:) = mask_x_loop(mid,:)
276	ENDIF
277	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
278	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
279	mask_loop(mid,2,1:2) = -1.0_wp
280	mask_loop(mid,2,3) = 0.0_wp
281	ELSE
282	mask_loop(mid,2,:) = mask_y_loop(mid,:)
283	ENDIF
284	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
285	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
286	mask_loop(mid,3,1:2) = -1.0_wp
287	mask_loop(mid,3,3) = 0.0_wp
288	ELSE
289	mask_loop(mid,3,:) = mask_z_loop(mid,:)
290	ENDIF
291
292	ENDDO
293
294	mask_i = -1; mask_j = -1; mask_k = -1
295
296	!
297	!-- Global arrays are required by define_netcdf_header.
298	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
299	ALLOCATE( mask_i_global(max_masks,nx+2), &
300	mask_j_global(max_masks,ny+2), &
301	mask_k_global(max_masks,nz+2) )
302	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
303	ENDIF
304
305	!
306	!-- Determine variable names for each mask
307	DO mid = 1, masks
308	!
309	!-- Append user-defined data output variables to the standard data output
310	IF ( do_mask_user(mid,1) /= ' ' ) THEN
311	i = 1
312	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
313	i = i + 1
314	ENDDO
315	j = 1
316	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
317	IF ( i > 100 ) THEN
318	WRITE ( message_string, * ) 'number of output quantitities ', &
319	'given by data_output_mask and data_output_mask_user ', &
320	'exceeds the limit of 100'
321	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
322	ENDIF
323	do_mask(mid,i) = do_mask_user(mid,j)
324	i = i + 1
325	j = j + 1
326	ENDDO
327	ENDIF
328
329	!
330	!-- Check and set steering parameters for mask data output and averaging
331	i = 1
332	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
333	!
334	!-- Check for data averaging
335	ilen = LEN_TRIM( do_mask(mid,i) )
336	j = 0 ! no data averaging
337	IF ( ilen > 3 ) THEN
338	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
339	j = 1 ! data averaging
340	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
341	ENDIF
342	ENDIF
343	var = TRIM( do_mask(mid,i) )
344	!
345	!-- Check for allowed value and set units
346	SELECT CASE ( TRIM( var ) )
347
348	CASE ( 'e' )
349	IF ( constant_diffusion ) THEN
350	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
351	'" requires constant_diffusion = .FALSE.'
352	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
353	ENDIF
354	unit = 'm2/s2'
355
356	CASE ( 'thetal' )
357	IF ( .NOT. bulk_cloud_model ) THEN
358	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
359	'" requires bulk_cloud_model = .TRUE.'
360	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
361	ENDIF
362	unit = 'K'
363
364	CASE ( 'nc' )
365	IF ( .NOT. bulk_cloud_model ) THEN
366	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
367	'" requires bulk_cloud_model = .TRUE.'
368	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
369	ELSEIF ( .NOT. microphysics_morrison ) THEN
370	message_string = 'output of "' // TRIM( var ) // '" ' // &
371	'requires = morrison'
372	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
373	ENDIF
374	unit = '1/m3'
375
376	CASE ( 'nr' )
377	IF ( .NOT. bulk_cloud_model ) THEN
378	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
379	'" requires bulk_cloud_model = .TRUE.'
380	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
381	ELSEIF ( .NOT. microphysics_seifert ) THEN
382	message_string = 'output of "' // TRIM( var ) // '"' // &
383	'requires cloud_scheme = seifert_beheng'
384	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
385	ENDIF
386	unit = '1/m3'
387
388	CASE ( 'pc', 'pr' )
389	IF ( .NOT. particle_advection ) THEN
390	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
391	'" requires a "particles_par"-NAMELIST in the ', &
392	'parameter file (PARIN)'
393	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
394	ENDIF
395	IF ( TRIM( var ) == 'pc' ) unit = 'number'
396	IF ( TRIM( var ) == 'pr' ) unit = 'm'
397
398	CASE ( 'q', 'thetav' )
399	IF ( .NOT. humidity ) THEN
400	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
401	'" requires humidity = .TRUE.'
402	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
403	ENDIF
404	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
405	IF ( TRIM( var ) == 'thetav' ) unit = 'K'
406
407	CASE ( 'qc' )
408	IF ( .NOT. bulk_cloud_model ) THEN
409	message_string = 'output of "' // TRIM( var ) // '"' // &
410	'requires bulk_cloud_model = .TRUE.'
411	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
412	ENDIF
413	unit = 'kg/kg'
414
415	CASE ( 'ql' )
416	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
417	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
418	'" requires bulk_cloud_model = .TRUE. or ', &
419	'cloud_droplets = .TRUE.'
420	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
421	ENDIF
422	unit = 'kg/kg'
423
424	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
425	IF ( .NOT. cloud_droplets ) THEN
426	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
427	'" requires cloud_droplets = .TRUE.'
428	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
429	ENDIF
430	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
431	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
432	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
433
434	CASE ( 'qv' )
435	IF ( .NOT. bulk_cloud_model ) THEN
436	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
437	'" requires bulk_cloud_model = .TRUE.'
438	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
439	ENDIF
440	unit = 'kg/kg'
441
442	CASE ( 'qr' )
443	IF ( .NOT. bulk_cloud_model ) THEN
444	message_string = 'output of "' // TRIM( var ) // '" ' // &
445	'requires bulk_cloud_model = .TRUE.'
446	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
447	ELSEIF ( .NOT. microphysics_seifert ) THEN
448	message_string = 'output of "' // TRIM( var ) // '" ' // &
449	'requires cloud_scheme = seifert_beheng'
450	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
451	ENDIF
452	unit = 'kg/kg'
453
454	CASE ( 'rho_sea_water' )
455	IF ( .NOT. ocean_mode ) THEN
456	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
457	'" requires ocean mode'
458	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
459	ENDIF
460	unit = 'kg/m3'
461
462	CASE ( 's' )
463	IF ( .NOT. passive_scalar ) THEN
464	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
465	'" requires passive_scalar = .TRUE.'
466	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
467	ENDIF
468	unit = 'conc'
469
470	CASE ( 'sa' )
471	IF ( .NOT. ocean_mode ) THEN
472	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
473	'" requires ocean mode'
474	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
475	ENDIF
476	unit = 'psu'
477
478	CASE ( 'us', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
479	WRITE ( message_string, * ) 'illegal value for data_', &
480	'output: "', TRIM( var ), '" is only allowed', &
481	'for horizontal cross section'
482	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
483
484	CASE ( 'p', 'theta', 'u', 'v', 'w' )
485	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
486	IF ( TRIM( var ) == 'theta' ) unit = 'K'
487	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
488	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
489	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
490	CONTINUE
491
492	CASE DEFAULT
493
494	CALL user_check_data_output( var, unit )
495
496	IF ( salsa ) THEN
497	CALL salsa_check_data_output( var, unit )
498	ENDIF
499
500	IF ( unit == 'illegal' .AND. air_chemistry &
501	.AND. (var(1:3) == 'kc_' .OR. var(1:3) == 'em_') ) THEN
502	CALL chem_check_data_output( var, unit, 0, 0, 0 )
503	ENDIF
504
505	IF ( unit == 'illegal' ) THEN
506	CALL radiation_check_data_output( var, unit, 0, 0, 0 )
507	ENDIF
508
509	IF ( unit == 'illegal' ) THEN
510	IF ( do_mask_user(mid,1) /= ' ' ) THEN
511	WRITE ( message_string, * ) 'illegal value for data_', &
512	'output_masks or data_output_masks_user: "', &
513	TRIM( do_mask(mid,i) ), '"'
514	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
515	ELSE
516	WRITE ( message_string, * ) 'illegal value for data_', &
517	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
518	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
519	ENDIF
520	ENDIF
521
522	END SELECT
523	!
524	!-- Set the internal steering parameters appropriately
525	domask_no(mid,j) = domask_no(mid,j) + 1
526	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
527	domask_unit(mid,j,domask_no(mid,j)) = unit
528
529	IF ( j == 1 ) THEN
530	!
531	!-- Check, if variable is already subject to averaging
532	found = .FALSE.
533	DO k = 1, doav_n
534	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
535	ENDDO
536
537	IF ( .NOT. found ) THEN
538	doav_n = doav_n + 1
539	doav(doav_n) = var
540	ENDIF
541	ENDIF
542
543	i = i + 1
544
545	ENDDO ! do_mask(mid,i)
546	ENDDO ! mid
547
548
549	!
550	!-- Determine mask locations for each mask
551	DO mid = 1, masks
552	!
553	!-- Set local masks for each subdomain along all three dimensions
554	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
555	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
556	IF ( .NOT. mask_surface(mid) ) THEN
557	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
558	ELSE
559	!
560	!-- Set vertical mask locations and size in case of terrain-following
561	!-- output
562	count = 0
563	DO WHILE ( mask_k_over_surface(mid, count+1) >= 0 )
564	m = mask_k_over_surface(mid, count+1)
565	IF ( m > nz+1 ) THEN
566	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
567	m,' in mask ',mid,' along dimension ', 3, &
568	' exceeds (nz+1) = ',nz+1
569	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
570	ENDIF
571	count = count + 1
572	mask_k(mid,count) = mask_k_over_surface(mid, count)
573	IF ( count == mask_xyz_dimension ) EXIT
574	ENDDO
575	mask_start_l(mid,3) = 1
576	mask_size(mid,3) = count
577	mask_size_l(mid,3) = count
578	ENDIF
579	!
580	!-- Set global masks along all three dimensions (required by
581	!-- define_netcdf_header).
582	#if defined( __parallel )
583	!
584	!-- PE0 receives partial arrays from all processors of the respective mask
585	!-- and outputs them. Here a barrier has to be set, because otherwise
586	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
587
588	CALL MPI_BARRIER( comm2d, ierr )
589
590	IF ( myid == 0 ) THEN
591	!
592	!-- Local arrays can be relocated directly.
593	mask_i_global(mid,mask_start_l(mid,1): &
594	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
595	mask_i(mid,:mask_size_l(mid,1))
596	mask_j_global(mid,mask_start_l(mid,2): &
597	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
598	mask_j(mid,:mask_size_l(mid,2))
599	mask_k_global(mid,mask_start_l(mid,3): &
600	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
601	mask_k(mid,:mask_size_l(mid,3))
602	!
603	!-- Receive data from all other PEs.
604	DO n = 1, numprocs-1
605	!
606	!-- Receive index limits first, then arrays.
607	!-- Index limits are received in arbitrary order from the PEs.
608	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
609	comm2d, status, ierr )
610	!
611	!-- Not all PEs have data for the mask.
612	IF ( ind(1) /= -9999 ) THEN
613	sender = status(MPI_SOURCE)
614	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
615	MPI_INTEGER, sender, 1, comm2d, status, ierr )
616	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
617	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
618	MPI_INTEGER, sender, 2, comm2d, status, ierr )
619	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
620	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
621	MPI_INTEGER, sender, 3, comm2d, status, ierr )
622	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
623	ENDIF
624	ENDDO
625
626	ELSE
627	!
628	!-- If at least part of the mask resides on the PE, send the index limits
629	!-- for the target array, otherwise send -9999 to PE0.
630	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
631	mask_size_l(mid,3) > 0 ) THEN
632	ind(1) = mask_start_l(mid,1)
633	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
634	ind(3) = mask_start_l(mid,2)
635	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
636	ind(5) = mask_start_l(mid,3)
637	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
638	ELSE
639	ind(1) = -9999; ind(2) = -9999
640	ind(3) = -9999; ind(4) = -9999
641	ind(5) = -9999; ind(6) = -9999
642	ENDIF
643	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
644	!
645	!-- If applicable, send data to PE0.
646	IF ( ind(1) /= -9999 ) THEN
647	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
648	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
649	MPI_INTEGER, 0, 1, comm2d, ierr )
650	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
651	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
652	MPI_INTEGER, 0, 2, comm2d, ierr )
653	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
654	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
655	MPI_INTEGER, 0, 3, comm2d, ierr )
656	ENDIF
657	ENDIF
658	!
659	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
660	!-- so that PE0 may receive wrong data on tag 0.
661	CALL MPI_BARRIER( comm2d, ierr )
662
663	IF ( netcdf_data_format > 4 ) THEN
664
665	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
666	ierr )
667	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
668	ierr )
669	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
670	ierr )
671
672	ENDIF
673
674	#else
675	!
676	!-- Local arrays can be relocated directly.
677	mask_i_global(mid,:) = mask_i(mid,:)
678	mask_j_global(mid,:) = mask_j(mid,:)
679	mask_k_global(mid,:) = mask_k(mid,:)
680	#endif
681	ENDDO ! mid
682
683	DEALLOCATE( tmp_array )
684	!
685	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
686	!-- required for header output on PE 0.
687	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
688
689	CONTAINS
690
691	!------------------------------------------------------------------------------!
692	! Description:
693	! ------------
694	!> Set local mask for each subdomain along 'dim' direction.
695	!------------------------------------------------------------------------------!
696	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
697	lb, ub )
698
699	IMPLICIT NONE
700
701	CHARACTER (LEN=2) :: dxyz_string !<
702	CHARACTER (LEN=2) :: nxyz_string !<
703
704	INTEGER(iwp) :: count !<
705	INTEGER(iwp) :: count_l !<
706	INTEGER(iwp) :: dim !<
707	INTEGER(iwp) :: m !<
708	INTEGER(iwp) :: loop_begin !<
709	INTEGER(iwp) :: loop_end !<
710	INTEGER(iwp) :: loop_stride !<
711	INTEGER(iwp) :: lb !<
712	INTEGER(iwp) :: nxyz !<
713	INTEGER(iwp) :: ub !<
714
715	REAL(wp) :: dxyz !<
716	REAL(wp) :: ddxyz !<
717	REAL(wp) :: tmp1 !<
718	REAL(wp) :: tmp2 !<
719
720	count = 0; count_l = 0
721	ddxyz = 1.0_wp / dxyz
722	tmp1 = 0.0_wp
723	tmp2 = 0.0_wp
724
725	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
726	!
727	!-- use predefined mask_* array
728	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
729	count = count + 1
730	IF ( dim == 1 .OR. dim == 2 ) THEN
731	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
732	IF ( m < 0 ) m = 0 ! avoid negative values
733	ELSEIF ( dim == 3 ) THEN
734	ind_array = &
735	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
736	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
737	ENDIF
738	IF ( m > (nxyz+1) ) THEN
739	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
740	m,' in mask ',mid,' along dimension ',dim, &
741	' exceeds (',nxyz_string,'+1) = ',nxyz+1
742	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
743	ENDIF
744	IF ( ( m >= lb .AND. m <= ub ) .OR. &
745	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
746	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
747	count_l = count_l + 1
748	IF ( dim == 1 ) THEN
749	mask_i(mid,count_l) = m
750	ELSEIF ( dim == 2 ) THEN
751	mask_j(mid,count_l) = m
752	ELSEIF ( dim == 3 ) THEN
753	mask_k(mid,count_l) = m
754	ENDIF
755	ENDIF
756	IF ( count == mask_xyz_dimension ) EXIT
757	ENDDO
758	mask_size(mid,dim) = count
759	mask_size_l(mid,dim) = count_l
760
761	ELSE
762	!
763	!-- use predefined mask_loop_* array, or use the default (all grid points
764	!-- along this direction)
765	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
766	tmp1 = mask_loop(mid,dim,1)
767	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
768	ENDIF
769	IF ( dim == 1 .OR. dim == 2 ) THEN
770	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
771	tmp2 = mask_loop(mid,dim,2)
772	mask_loop(mid,dim,2) = nxyz*dxyz / mask_scale(dim) ! (default)
773	ENDIF
774	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
775	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
776	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
777	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
778	' and/or mask_loop(',mid,',',dim,',2)=', &
779	mask_loop(mid,dim,2),' exceed (', &
780	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
781	(nxyz+1)*dxyz/mask_scale(dim)
782	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
783	ENDIF
784	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
785	* ddxyz - 0.5_wp )
786	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
787	* ddxyz - 0.5_wp )
788	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
789	* ddxyz )
790	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
791	ELSEIF ( dim == 3 ) THEN
792	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
793	tmp2 = mask_loop(mid,dim,2)
794	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
795	ENDIF
796	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
797	> zu(nz+1) / mask_scale(dim) ) THEN
798	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
799	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
800	' and/or mask_loop(',mid,',',dim,',2)=', &
801	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
802	')=',zu(nz+1)/mask_scale(dim)
803	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
804	ENDIF
805	ind_array = &
806	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
807	loop_begin = &
808	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
809	ind_array = &
810	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
811	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
812	!
813	!-- The following line assumes a constant vertical grid spacing within
814	!-- the vertical mask range; it fails for vertical grid stretching.
815	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
816	!-- within the IF statement is necessary because the default value of
817	!-- dz_stretch_level_start is -9999999.9_wp.
818	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
819
820	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
821	ABS( dz_stretch_level_start(1) ) ) THEN
822	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
823	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
824	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
825	'.&Vertical mask locations will not ', &
826	'match the desired heights within the stretching ', &
827	'region.'
828	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
829	ENDIF
830
831	ENDIF
832	!
833	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
834	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
835	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
836	!
837	!-- The default stride +/-1 (every grid point) applies if
838	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
839	IF ( loop_stride == 0 ) THEN
840	IF ( loop_end >= loop_begin ) THEN
841	loop_stride = 1
842	ELSE
843	loop_stride = -1
844	ENDIF
845	ENDIF
846	DO m = loop_begin, loop_end, loop_stride
847	count = count + 1
848	IF ( ( m >= lb .AND. m <= ub ) .OR. &
849	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
850	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
851	count_l = count_l + 1
852	IF ( dim == 1 ) THEN
853	mask_i(mid,count_l) = m
854	ELSEIF ( dim == 2 ) THEN
855	mask_j(mid,count_l) = m
856	ELSEIF ( dim == 3 ) THEN
857	mask_k(mid,count_l) = m
858	ENDIF
859	ENDIF
860	ENDDO
861	mask_size(mid,dim) = count
862	mask_size_l(mid,dim) = count_l
863
864	ENDIF
865
866	END SUBROUTINE set_mask_locations
867
868	END SUBROUTINE init_masks

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