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source: palm/trunk/SOURCE/init_masks.f90 @ 3127

Last change on this file since 3127 was 3065, checked in by Giersch, 6 years ago
New vertical stretching procedure has been introduced
Property svn:keywords set to `Id`
File size: 31.3 KB

Rev	Line
[1682]	1	!> @file init_masks.f90
[2000]	2	!------------------------------------------------------------------------------!
[2696]	3	! This file is part of the PALM model system.
[1036]	4	!
[2000]	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.
[1036]	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	!
[2718]	17	! Copyright 1997-2018 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[298]	21	! -----------------
[1805]	22	!
[3049]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_masks.f90 3065 2018-06-12 07:03:02Z maronga $
[3065]	27	! dz_stretch_level was replaced by dz_stretch_level_start
	28	!
	29	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	30	! Error messages revised
	31	!
[3049]	32	! 3045 2018-05-28 07:55:41Z Giersch
	33	! Error messages revised
	34	!
[3045]	35	! 2718 2018-01-02 08:49:38Z maronga
[2716]	36	! Corrected "Former revisions" section
	37	!
	38	! 2696 2017-12-14 17:12:51Z kanani
	39	! Change in file header (GPL part)
	40	!
	41	! 2344 2017-08-09 11:00:34Z raasch
[2344]	42	! explicit setting of initial values for array domask required due to a bug
	43	! in the Cray compiler (appears only if option -eD is used)
	44	!
	45	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	46	! Bugfix: set variable name length to global value
	47	!
	48	!
[2292]	49	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	50	! includes two more prognostic equations for cloud drop concentration (nc)
	51	! and cloud water content (qc).
	52	!
	53	! 2271 2017-06-09 12:34:55Z sward
[2271]	54	! Changed error message
	55	!
	56	! 2101 2017-01-05 16:42:31Z suehring
[1321]	57	!
[2032]	58	! 2031 2016-10-21 15:11:58Z knoop
	59	! renamed variable rho to rho_ocean
	60	!
[2001]	61	! 2000 2016-08-20 18:09:15Z knoop
	62	! Forced header and separation lines into 80 columns
	63	!
[1823]	64	! 1822 2016-04-07 07:49:42Z hoffmann
	65	! icloud_scheme replaced by microphysics_*
	66	!
[1805]	67	! 1804 2016-04-05 16:30:18Z maronga
	68	! Removed code for parameter file check (__check)
	69	!
[1784]	70	! 1783 2016-03-06 18:36:17Z raasch
	71	! netcdf module name changed + related changes
	72	!
[1683]	73	! 1682 2015-10-07 23:56:08Z knoop
	74	! Code annotations made doxygen readable
	75	!
[1439]	76	! 1438 2014-07-22 14:14:06Z heinze
	77	! +nr, qc, qr
	78	!
[1415]	79	! 1414 2014-05-31 11:19:48Z gronemeier
	80	! Bugfix: first and last grid points as they appear in 3D volume data can now
	81	! be included to masked data output
	82	!
[1354]	83	! 1353 2014-04-08 15:21:23Z heinze
	84	! REAL constants provided with KIND-attribute
	85	!
[1325]	86	! 1324 2014-03-21 09:13:16Z suehring
	87	! Bugfix: ONLY statement for module netcdf_control removed
	88	!
[1321]	89	! 1320 2014-03-20 08:40:49Z raasch
[1320]	90	! ONLY-attribute added to USE-statements,
	91	! kind-parameters added to all INTEGER and REAL declaration statements,
	92	! kinds are defined in new module kinds,
	93	! revision history before 2012 removed,
	94	! comment fields (!:) to be used for variable explanations added to
	95	! all variable declaration statements
[298]	96	!
[1187]	97	! 1186 2013-06-18 06:22:52Z raasch
	98	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	99	! because a zero value does not work in case of ocean runs
	100	!
[1037]	101	! 1036 2012-10-22 13:43:42Z raasch
	102	! code put under GPL (PALM 3.9)
	103	!
[1033]	104	! 1032 2012-10-21 13:03:21Z letzel
	105	! mask locations determined based on scalar positions
	106	!
[1035]	107	! 1031 2012-10-19 14:35:30Z raasch
	108	! netCDF4 without parallel file support implemented
	109	!
[997]	110	! 996 2012-09-07 10:41:47Z raasch
	111	! little reformatting
	112	!
[979]	113	! 978 2012-08-09 08:28:32Z fricke
	114	! +z0h*
	115	!
[810]	116	! 809 2012-01-30 13:32:58Z maronga
	117	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	118	!
[808]	119	! 807 2012-01-25 11:53:51Z maronga
	120	! New cpp directive "__check" implemented which is used by check_namelist_files
	121	!
[449]	122	! 410 2009-12-04 17:05:40Z letzel
	123	! Initial revision
[298]	124	!
[449]	125	!
[298]	126	! Description:
	127	! ------------
[1682]	128	!> Initialize masked data output
[298]	129	!------------------------------------------------------------------------------!
[1682]	130	SUBROUTINE init_masks
[298]	131
[1320]	132	USE arrays_3d, &
	133	ONLY: zu, zw
	134
	135	USE control_parameters, &
	136	ONLY: constant_diffusion, cloud_droplets, cloud_physics, &
	137	data_output_masks, data_output_masks_user, &
[3065]	138	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	139	humidity, mask, masks, mask_scale, mask_i, &
[1320]	140	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
	141	mask_loop, mask_size, mask_size_l, mask_start_l, mask_x, &
	142	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	143	mask_z_loop, max_masks, message_string, mid, &
[2292]	144	microphysics_morrison, microphysics_seifert, passive_scalar, &
[2301]	145	ocean, varnamelength
[3065]	146
[1320]	147
	148	USE grid_variables, &
	149	ONLY: dx, dy
	150
	151	USE indices, &
	152	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	153
	154	USE kinds
	155
[1783]	156	USE netcdf_interface, &
	157	ONLY: domask_unit, netcdf_data_format
[1320]	158
	159	USE particle_attributes, &
	160	ONLY: particle_advection
	161
[298]	162	USE pegrid
	163
	164	IMPLICIT NONE
	165
[2301]	166	CHARACTER (LEN=varnamelength) :: var !<
[1682]	167	CHARACTER (LEN=7) :: unit !<
[1320]	168
[2301]	169	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !<
	170	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !<
[298]	171
[1682]	172	INTEGER(iwp) :: i !<
	173	INTEGER(iwp) :: ilen !<
	174	INTEGER(iwp) :: ind(6) !<
	175	INTEGER(iwp) :: ind_array(1) !<
	176	INTEGER(iwp) :: j !<
	177	INTEGER(iwp) :: k !<
	178	INTEGER(iwp) :: n !<
	179	INTEGER(iwp) :: sender !<
[1320]	180
[1682]	181	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !<
[298]	182
[1682]	183	LOGICAL :: found !<
[2344]	184
[298]	185	!
[2344]	186	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	187	!-- in case of assignments of initial values in declaration statements for
	188	!-- arrays with more than 9999 elements (appears with -eD only)
	189	domask = ' '
	190
	191	!
[298]	192	!-- Allocation and initialization
[1414]	193	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	194
[1414]	195	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	196	mask_j(max_masks,nyn-nys+2), &
	197	mask_k(max_masks,nzt-nzb+2) )
[298]	198	!
	199	!-- internal mask arrays ("mask,dimension,selection")
	200	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	201	mask_loop(max_masks,3,3) )
[493]	202
[298]	203	!
[3045]	204	!-- Parallel mask output not yet supported. In check_parameters data format
	205	!-- is restricted and is switched back to non-parallel output. Therefore the
	206	!-- following error can not occur at the moment.
[1031]	207	IF ( netcdf_data_format > 4 ) THEN
[3045]	208	message_string = 'netCDF file formats '// &
	209	'5 and 6 (with parallel I/O support)'// &
	210	' are currently not supported.'
[564]	211	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	212	ENDIF
[553]	213
[298]	214	!
	215	!-- Store data output parameters for masked data output in few shared arrays
[996]	216	DO mid = 1, masks
[564]	217
[553]	218	do_mask (mid,:) = data_output_masks(mid,:)
	219	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	220	mask (mid,1,:) = mask_x(mid,:)
	221	mask (mid,2,:) = mask_y(mid,:)
	222	mask (mid,3,:) = mask_z(mid,:)
[564]	223
[1353]	224	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	225	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	226	mask_loop(mid,1,1:2) = -1.0_wp
	227	mask_loop(mid,1,3) = 0.0_wp
[564]	228	ELSE
	229	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	230	ENDIF
[1353]	231	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	232	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	233	mask_loop(mid,2,1:2) = -1.0_wp
	234	mask_loop(mid,2,3) = 0.0_wp
[564]	235	ELSE
	236	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	237	ENDIF
[1353]	238	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	239	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	240	mask_loop(mid,3,1:2) = -1.0_wp
	241	mask_loop(mid,3,3) = 0.0_wp
[564]	242	ELSE
	243	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	244	ENDIF
	245
[553]	246	ENDDO
	247
[298]	248	mask_i = -1; mask_j = -1; mask_k = -1
[553]	249
[298]	250	!
	251	!-- Global arrays are required by define_netcdf_header.
[1031]	252	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	253	ALLOCATE( mask_i_global(max_masks,nx+2), &
	254	mask_j_global(max_masks,ny+2), &
	255	mask_k_global(max_masks,nz+2) )
[298]	256	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	257	ENDIF
	258
	259	!
	260	!-- Determine variable names for each mask
	261	DO mid = 1, masks
	262	!
	263	!-- Append user-defined data output variables to the standard data output
	264	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	265	i = 1
	266	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	267	i = i + 1
	268	ENDDO
	269	j = 1
	270	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	271	IF ( i > 100 ) THEN
[3045]	272	WRITE ( message_string, * ) 'number of output quantitities ', &
	273	'given by data_output_mask and data_output_mask_user ', &
[298]	274	'exceeds the limit of 100'
[564]	275	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	276	ENDIF
	277	do_mask(mid,i) = do_mask_user(mid,j)
	278	i = i + 1
	279	j = j + 1
	280	ENDDO
	281	ENDIF
	282
	283	!
	284	!-- Check and set steering parameters for mask data output and averaging
	285	i = 1
[996]	286	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	287	!
	288	!-- Check for data averaging
	289	ilen = LEN_TRIM( do_mask(mid,i) )
	290	j = 0 ! no data averaging
	291	IF ( ilen > 3 ) THEN
	292	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	293	j = 1 ! data averaging
	294	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	295	ENDIF
	296	ENDIF
	297	var = TRIM( do_mask(mid,i) )
	298	!
	299	!-- Check for allowed value and set units
	300	SELECT CASE ( TRIM( var ) )
	301
	302	CASE ( 'e' )
	303	IF ( constant_diffusion ) THEN
[3045]	304	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	305	'" requires constant_diffusion = .FALSE.'
[564]	306	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	307	ENDIF
	308	unit = 'm2/s2'
	309
[771]	310	CASE ( 'lpt' )
	311	IF ( .NOT. cloud_physics ) THEN
[3045]	312	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[771]	313	'" requires cloud_physics = .TRUE.'
[773]	314	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	315	ENDIF
	316	unit = 'K'
	317
[2292]	318	CASE ( 'nc' )
	319	IF ( .NOT. cloud_physics ) THEN
[3045]	320	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[2292]	321	'" requires cloud_physics = .TRUE.'
	322	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	323	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	324	message_string = 'output of "' // TRIM( var ) // '" ' // &
	325	'requires = morrison'
[2292]	326	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	327	ENDIF
	328	unit = '1/m3'
	329
[1438]	330	CASE ( 'nr' )
	331	IF ( .NOT. cloud_physics ) THEN
[3045]	332	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[1438]	333	'" requires cloud_physics = .TRUE.'
	334	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	335	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	336	message_string = 'output of "' // TRIM( var ) // '"' // &
	337	'requires cloud_scheme = seifert_beheng'
[1438]	338	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	339	ENDIF
	340	unit = '1/m3'
	341
[298]	342	CASE ( 'pc', 'pr' )
	343	IF ( .NOT. particle_advection ) THEN
[3045]	344	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	345	'" requires a "particles_par"-NAMELIST in the ', &
[298]	346	'parameter file (PARIN)'
[564]	347	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	348	ENDIF
	349	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	350	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	351
	352	CASE ( 'q', 'vpt' )
	353	IF ( .NOT. humidity ) THEN
[3045]	354	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	355	'" requires humidity = .TRUE.'
[564]	356	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	357	ENDIF
	358	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	359	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	360
[1438]	361	CASE ( 'qc' )
	362	IF ( .NOT. cloud_physics ) THEN
[3045]	363	message_string = 'output of "' // TRIM( var ) // '"' // &
	364	'requires cloud_physics = .TRUE.'
[1438]	365	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	366	ENDIF
	367	unit = 'kg/kg'
	368
[298]	369	CASE ( 'ql' )
	370	IF ( .NOT. ( cloud_physics .OR. cloud_droplets ) ) THEN
[3045]	371	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	372	'" requires cloud_physics = .TRUE. or cloud_droplets', &
	373	' = .TRUE.'
[3045]	374	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	375	ENDIF
	376	unit = 'kg/kg'
	377
	378	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	379	IF ( .NOT. cloud_droplets ) THEN
[3045]	380	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	381	'" requires cloud_droplets = .TRUE.'
[564]	382	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	383	ENDIF
	384	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	385	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	386	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	387
	388	CASE ( 'qv' )
	389	IF ( .NOT. cloud_physics ) THEN
[3045]	390	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	391	'" requires cloud_physics = .TRUE.'
[564]	392	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	393	ENDIF
	394	unit = 'kg/kg'
	395
[1438]	396	CASE ( 'qr' )
	397	IF ( .NOT. cloud_physics ) THEN
[3045]	398	message_string = 'output of "' // TRIM( var ) // '" ' // &
	399	'requires cloud_physics = .TRUE.'
[1438]	400	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	401	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	402	message_string = 'output of "' // TRIM( var ) // '" ' // &
	403	'requires cloud_scheme = seifert_beheng'
[1438]	404	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	405	ENDIF
	406	unit = 'kg/kg'
	407
[2031]	408	CASE ( 'rho_ocean' )
[298]	409	IF ( .NOT. ocean ) THEN
[3045]	410	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	411	'" requires ocean = .TRUE.'
[564]	412	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	413	ENDIF
	414	unit = 'kg/m3'
	415
	416	CASE ( 's' )
	417	IF ( .NOT. passive_scalar ) THEN
[3045]	418	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	419	'" requires passive_scalar = .TRUE.'
[564]	420	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	421	ENDIF
	422	unit = 'conc'
	423
	424	CASE ( 'sa' )
	425	IF ( .NOT. ocean ) THEN
[3045]	426	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	427	'" requires ocean = .TRUE.'
[564]	428	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	429	ENDIF
	430	unit = 'psu'
	431
[978]	432	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	433	WRITE ( message_string, * ) 'illegal value for data_', &
	434	'output: "', TRIM( var ), '" is only allowed', &
[298]	435	'for horizontal cross section'
[564]	436	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	437
	438	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	439	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	440	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	441	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	442	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	443	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	444	CONTINUE
	445
	446	CASE DEFAULT
	447	CALL user_check_data_output( var, unit )
	448
	449	IF ( unit == 'illegal' ) THEN
	450	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	451	WRITE ( message_string, * ) 'illegal value for data_', &
	452	'output_masks or data_output_masks_user: "', &
[298]	453	TRIM( do_mask(mid,i) ), '"'
[3045]	454	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	455	ELSE
[3045]	456	WRITE ( message_string, * ) 'illegal value for data_', &
	457	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	458	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	459	ENDIF
	460	ENDIF
	461
	462	END SELECT
	463	!
	464	!-- Set the internal steering parameters appropriately
	465	domask_no(mid,j) = domask_no(mid,j) + 1
	466	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	467	domask_unit(mid,j,domask_no(mid,j)) = unit
	468
	469	IF ( j == 1 ) THEN
	470	!
	471	!-- Check, if variable is already subject to averaging
	472	found = .FALSE.
	473	DO k = 1, doav_n
	474	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	475	ENDDO
	476
	477	IF ( .NOT. found ) THEN
	478	doav_n = doav_n + 1
	479	doav(doav_n) = var
	480	ENDIF
	481	ENDIF
	482
	483	i = i + 1
	484
	485	ENDDO ! do_mask(mid,i)
	486	ENDDO ! mid
	487
	488
	489	!
	490	!-- Determine mask locations for each mask
	491	DO mid = 1, masks
	492	!
	493	!-- Set local masks for each subdomain along all three dimensions
	494	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	495	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3065]	496	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
[298]	497	!
	498	!-- Set global masks along all three dimensions (required by
	499	!-- define_netcdf_header).
[1804]	500	#if defined( __parallel )
[298]	501	!
	502	!-- PE0 receives partial arrays from all processors of the respective mask
	503	!-- and outputs them. Here a barrier has to be set, because otherwise
	504	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	505
[298]	506	CALL MPI_BARRIER( comm2d, ierr )
	507
	508	IF ( myid == 0 ) THEN
	509	!
	510	!-- Local arrays can be relocated directly.
	511	mask_i_global(mid,mask_start_l(mid,1): &
	512	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	513	mask_i(mid,:mask_size_l(mid,1))
	514	mask_j_global(mid,mask_start_l(mid,2): &
	515	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	516	mask_j(mid,:mask_size_l(mid,2))
	517	mask_k_global(mid,mask_start_l(mid,3): &
	518	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	519	mask_k(mid,:mask_size_l(mid,3))
	520	!
	521	!-- Receive data from all other PEs.
	522	DO n = 1, numprocs-1
	523	!
	524	!-- Receive index limits first, then arrays.
	525	!-- Index limits are received in arbitrary order from the PEs.
	526	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	527	comm2d, status, ierr )
	528	!
	529	!-- Not all PEs have data for the mask.
	530	IF ( ind(1) /= -9999 ) THEN
	531	sender = status(MPI_SOURCE)
	532	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	533	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	534	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	535	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	536	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	537	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	538	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	539	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	540	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	541	ENDIF
	542	ENDDO
	543
	544	ELSE
	545	!
	546	!-- If at least part of the mask resides on the PE, send the index limits
	547	!-- for the target array, otherwise send -9999 to PE0.
[996]	548	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	549	mask_size_l(mid,3) > 0 ) THEN
[298]	550	ind(1) = mask_start_l(mid,1)
	551	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	552	ind(3) = mask_start_l(mid,2)
	553	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	554	ind(5) = mask_start_l(mid,3)
	555	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	556	ELSE
	557	ind(1) = -9999; ind(2) = -9999
	558	ind(3) = -9999; ind(4) = -9999
	559	ind(5) = -9999; ind(6) = -9999
	560	ENDIF
	561	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	562	!
	563	!-- If applicable, send data to PE0.
	564	IF ( ind(1) /= -9999 ) THEN
	565	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	566	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	567	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	568	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	569	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	570	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	571	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	572	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	573	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	574	ENDIF
	575	ENDIF
	576	!
	577	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	578	!-- so that PE0 may receive wrong data on tag 0.
	579	CALL MPI_BARRIER( comm2d, ierr )
[409]	580
[1031]	581	IF ( netcdf_data_format > 4 ) THEN
[409]	582
[1414]	583	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	584	ierr )
[1414]	585	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	586	ierr )
[1414]	587	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	588	ierr )
[1682]	589
[409]	590	ENDIF
[298]	591
[1804]	592	#else
[298]	593	!
	594	!-- Local arrays can be relocated directly.
	595	mask_i_global(mid,:) = mask_i(mid,:)
	596	mask_j_global(mid,:) = mask_j(mid,:)
	597	mask_k_global(mid,:) = mask_k(mid,:)
	598	#endif
	599	ENDDO ! mid
	600
	601	DEALLOCATE( tmp_array )
	602	!
	603	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	604	!-- required for header output on PE 0.
	605	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	606
	607	CONTAINS
[493]	608
[298]	609	!------------------------------------------------------------------------------!
	610	! Description:
	611	! ------------
[1682]	612	!> Set local mask for each subdomain along 'dim' direction.
[298]	613	!------------------------------------------------------------------------------!
[1682]	614	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	615	lb, ub )
[298]	616
	617	IMPLICIT NONE
	618
[1682]	619	CHARACTER (LEN=2) :: dxyz_string !<
	620	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	621
[1682]	622	INTEGER(iwp) :: count !<
	623	INTEGER(iwp) :: count_l !<
	624	INTEGER(iwp) :: dim !<
	625	INTEGER(iwp) :: m !<
	626	INTEGER(iwp) :: loop_begin !<
	627	INTEGER(iwp) :: loop_end !<
	628	INTEGER(iwp) :: loop_stride !<
	629	INTEGER(iwp) :: lb !<
	630	INTEGER(iwp) :: nxyz !<
	631	INTEGER(iwp) :: ub !<
[1320]	632
[1682]	633	REAL(wp) :: dxyz !<
	634	REAL(wp) :: ddxyz !<
	635	REAL(wp) :: tmp1 !<
	636	REAL(wp) :: tmp2 !<
[298]	637
[1353]	638	count = 0; count_l = 0
	639	ddxyz = 1.0_wp / dxyz
	640	tmp1 = 0.0_wp
	641	tmp2 = 0.0_wp
[298]	642
[1353]	643	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	644	!
	645	!-- use predefined mask_* array
[1353]	646	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	647	count = count + 1
	648	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	649	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	650	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	651	ELSEIF ( dim == 3 ) THEN
	652	ind_array = &
[595]	653	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	654	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	655	ENDIF
[1414]	656	IF ( m > (nxyz+1) ) THEN
[3045]	657	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	658	m,' in mask ',mid,' along dimension ',dim, &
[1414]	659	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	660	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	661	ENDIF
[1414]	662	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	663	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	664	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	665	count_l = count_l + 1
	666	IF ( dim == 1 ) THEN
	667	mask_i(mid,count_l) = m
	668	ELSEIF ( dim == 2 ) THEN
	669	mask_j(mid,count_l) = m
	670	ELSEIF ( dim == 3 ) THEN
	671	mask_k(mid,count_l) = m
	672	ENDIF
	673	ENDIF
	674	IF ( count == mask_xyz_dimension ) EXIT
	675	ENDDO
	676	mask_size(mid,dim) = count
	677	mask_size_l(mid,dim) = count_l
	678
	679	ELSE
	680	!
	681	!-- use predefined mask_loop_* array, or use the default (all grid points
	682	!-- along this direction)
[1353]	683	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	684	tmp1 = mask_loop(mid,dim,1)
[1186]	685	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	686	ENDIF
	687	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	688	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	689	tmp2 = mask_loop(mid,dim,2)
[1414]	690	mask_loop(mid,dim,2) = (nxyz+1)*dxyz / mask_scale(dim) ! (default)
[298]	691	ENDIF
	692	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	693	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	694	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	695	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	696	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	697	mask_loop(mid,dim,2),' exceed (', &
	698	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	699	(nxyz+1)*dxyz/mask_scale(dim)
[564]	700	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	701	ENDIF
[3045]	702	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	703	* ddxyz - 0.5_wp )
[3045]	704	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	705	* ddxyz - 0.5_wp )
[3045]	706	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	707	* ddxyz )
[1414]	708	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	709	ELSEIF ( dim == 3 ) THEN
[1353]	710	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	711	tmp2 = mask_loop(mid,dim,2)
[1414]	712	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	713	ENDIF
	714	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	715	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	716	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	717	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	718	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	719	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	720	')=',zu(nz+1)/mask_scale(dim)
[564]	721	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	722	ENDIF
[303]	723	ind_array = &
[595]	724	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	725	loop_begin = &
[303]	726	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	727	ind_array = &
[595]	728	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	729	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	730	!
[303]	731	!-- The following line assumes a constant vertical grid spacing within
	732	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	733	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	734	!-- within the IF statement is necessary because the default value of
	735	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	736	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	737
[3065]	738	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	739	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	740	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	741	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	742	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	743	'.&Vertical mask locations will not ', &
[3045]	744	'match the desired heights within the stretching ', &
[2271]	745	'region.'
[564]	746	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	747	ENDIF
	748
[298]	749	ENDIF
	750	!
	751	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	752	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	753	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	754	!
	755	!-- The default stride +/-1 (every grid point) applies if
	756	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	757	IF ( loop_stride == 0 ) THEN
	758	IF ( loop_end >= loop_begin ) THEN
	759	loop_stride = 1
	760	ELSE
	761	loop_stride = -1
	762	ENDIF
	763	ENDIF
	764	DO m = loop_begin, loop_end, loop_stride
	765	count = count + 1
[1414]	766	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	767	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	768	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	769	count_l = count_l + 1
	770	IF ( dim == 1 ) THEN
	771	mask_i(mid,count_l) = m
	772	ELSEIF ( dim == 2 ) THEN
	773	mask_j(mid,count_l) = m
	774	ELSEIF ( dim == 3 ) THEN
	775	mask_k(mid,count_l) = m
	776	ENDIF
	777	ENDIF
	778	ENDDO
	779	mask_size(mid,dim) = count
	780	mask_size_l(mid,dim) = count_l
[1414]	781
[298]	782	ENDIF
	783
	784	END SUBROUTINE set_mask_locations
	785
	786	END SUBROUTINE init_masks

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