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source: palm/trunk/SOURCE/init_masks.f90 @ 4096

Last change on this file since 4096 was 4069, checked in by Giersch, 5 years ago
Bugfix for masked output, compiler warning removed, test case for wind turbine model revised
Property svn:keywords set to `Id`
File size: 34.4 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	!
[3655]	17	! Copyright 1997-2019 Leibniz Universitaet Hannover
[2000]	18	!------------------------------------------------------------------------------!
[1036]	19	!
[484]	20	! Current revisions:
[298]	21	! -----------------
[1805]	22	!
[3589]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: init_masks.f90 4069 2019-07-01 14:05:51Z motisi $
[4069]	27	! Masked output running index mid has been introduced as a local variable to
	28	! avoid runtime error (Loop variable has been modified) in time_integration
	29	!
	30	! 3766 2019-02-26 16:23:41Z raasch
[3665]	31	! unused variables removed
	32	!
[3766]	33	! 3687 2019-01-22 10:42:06Z knoop
	34	! unused variables removed
	35	!
[3665]	36	! 3655 2019-01-07 16:51:22Z knoop
[3589]	37	! Move the control parameter "salsa" from salsa_mod to control_parameters
	38	! (M. Kurppa)
	39	!
	40	! 3582 2018-11-29 19:16:36Z suehring
[3554]	41	! add variable description
	42	!
	43	! 3512 2018-11-09 18:09:51Z gronemeier
[3512]	44	! Bugfix: do not output ghost points if mask_x/y_loop is not specified
	45	!
	46	! 3467 2018-10-30 19:05:21Z suehring
[3467]	47	! Implementation of a new aerosol module salsa.
	48	!
	49	! 3435 2018-10-26 18:25:44Z gronemeier
[3435]	50	! Add checks for chemistry and radiation model
	51	! Set indices for terrain-following masked output
	52	!
	53	! 3421 2018-10-24 18:39:32Z gronemeier
[3421]	54	! Renamed output variables
	55	!
	56	! 3419 2018-10-24 17:27:31Z gronemeier
[3294]	57	! ocean renamed ocean_mode
	58	!
	59	! 3274 2018-09-24 15:42:55Z knoop
[3274]	60	! Modularization of all bulk cloud physics code components
	61	!
	62	! 3065 2018-06-12 07:03:02Z Giersch
[3065]	63	! dz_stretch_level was replaced by dz_stretch_level_start
	64	!
	65	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	66	! Error messages revised
	67	!
[3049]	68	! 3045 2018-05-28 07:55:41Z Giersch
	69	! Error messages revised
	70	!
[3045]	71	! 2718 2018-01-02 08:49:38Z maronga
[2716]	72	! Corrected "Former revisions" section
	73	!
	74	! 2696 2017-12-14 17:12:51Z kanani
	75	! Change in file header (GPL part)
	76	!
	77	! 2344 2017-08-09 11:00:34Z raasch
[2344]	78	! explicit setting of initial values for array domask required due to a bug
	79	! in the Cray compiler (appears only if option -eD is used)
	80	!
	81	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	82	! Bugfix: set variable name length to global value
	83	!
	84	!
[2292]	85	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	86	! includes two more prognostic equations for cloud drop concentration (nc)
	87	! and cloud water content (qc).
	88	!
	89	! 2271 2017-06-09 12:34:55Z sward
[2271]	90	! Changed error message
	91	!
	92	! 2101 2017-01-05 16:42:31Z suehring
[1321]	93	!
[2032]	94	! 2031 2016-10-21 15:11:58Z knoop
	95	! renamed variable rho to rho_ocean
	96	!
[2001]	97	! 2000 2016-08-20 18:09:15Z knoop
	98	! Forced header and separation lines into 80 columns
	99	!
[1823]	100	! 1822 2016-04-07 07:49:42Z hoffmann
	101	! icloud_scheme replaced by microphysics_*
	102	!
[1805]	103	! 1804 2016-04-05 16:30:18Z maronga
	104	! Removed code for parameter file check (__check)
	105	!
[1784]	106	! 1783 2016-03-06 18:36:17Z raasch
	107	! netcdf module name changed + related changes
	108	!
[1683]	109	! 1682 2015-10-07 23:56:08Z knoop
	110	! Code annotations made doxygen readable
	111	!
[1439]	112	! 1438 2014-07-22 14:14:06Z heinze
	113	! +nr, qc, qr
	114	!
[1415]	115	! 1414 2014-05-31 11:19:48Z gronemeier
	116	! Bugfix: first and last grid points as they appear in 3D volume data can now
	117	! be included to masked data output
	118	!
[1354]	119	! 1353 2014-04-08 15:21:23Z heinze
	120	! REAL constants provided with KIND-attribute
	121	!
[1325]	122	! 1324 2014-03-21 09:13:16Z suehring
	123	! Bugfix: ONLY statement for module netcdf_control removed
	124	!
[1321]	125	! 1320 2014-03-20 08:40:49Z raasch
[1320]	126	! ONLY-attribute added to USE-statements,
	127	! kind-parameters added to all INTEGER and REAL declaration statements,
	128	! kinds are defined in new module kinds,
	129	! revision history before 2012 removed,
	130	! comment fields (!:) to be used for variable explanations added to
	131	! all variable declaration statements
[298]	132	!
[1187]	133	! 1186 2013-06-18 06:22:52Z raasch
	134	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	135	! because a zero value does not work in case of ocean runs
	136	!
[1037]	137	! 1036 2012-10-22 13:43:42Z raasch
	138	! code put under GPL (PALM 3.9)
	139	!
[1033]	140	! 1032 2012-10-21 13:03:21Z letzel
	141	! mask locations determined based on scalar positions
	142	!
[1035]	143	! 1031 2012-10-19 14:35:30Z raasch
	144	! netCDF4 without parallel file support implemented
	145	!
[997]	146	! 996 2012-09-07 10:41:47Z raasch
	147	! little reformatting
	148	!
[979]	149	! 978 2012-08-09 08:28:32Z fricke
	150	! +z0h*
	151	!
[810]	152	! 809 2012-01-30 13:32:58Z maronga
	153	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	154	!
[808]	155	! 807 2012-01-25 11:53:51Z maronga
	156	! New cpp directive "__check" implemented which is used by check_namelist_files
	157	!
[449]	158	! 410 2009-12-04 17:05:40Z letzel
	159	! Initial revision
[298]	160	!
[449]	161	!
[298]	162	! Description:
	163	! ------------
[1682]	164	!> Initialize masked data output
[298]	165	!------------------------------------------------------------------------------!
[1682]	166	SUBROUTINE init_masks
[298]	167
[1320]	168	USE arrays_3d, &
	169	ONLY: zu, zw
	170
[3435]	171	USE bulk_cloud_model_mod, &
	172	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
	173
[1320]	174	USE control_parameters, &
[3766]	175	ONLY: constant_diffusion, cloud_droplets, &
[1320]	176	data_output_masks, data_output_masks_user, &
[3065]	177	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	178	humidity, mask, masks, mask_scale, mask_i, &
[1320]	179	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
[3435]	180	mask_k_over_surface, &
	181	mask_loop, mask_size, mask_size_l, mask_start_l, &
	182	mask_surface, mask_x, &
[1320]	183	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
[4069]	184	mask_z_loop, max_masks, message_string, &
[3766]	185	passive_scalar, ocean_mode, varnamelength
[1320]	186
	187	USE grid_variables, &
	188	ONLY: dx, dy
	189
	190	USE indices, &
	191	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	192
	193	USE kinds
	194
[3687]	195	USE module_interface, &
	196	ONLY: module_interface_init_masks
	197
[1783]	198	USE netcdf_interface, &
	199	ONLY: domask_unit, netcdf_data_format
[1320]	200
	201	USE particle_attributes, &
	202	ONLY: particle_advection
	203
[3687]	204	USE pegrid
[3435]	205
[298]	206	IMPLICIT NONE
	207
[3554]	208	CHARACTER (LEN=varnamelength) :: var !< contains variable name
	209	CHARACTER (LEN=7) :: unit !< contains unit of variable
[1320]	210
[3554]	211	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !< list of output variables
	212	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !< list of user-specified output variables
[298]	213
[3435]	214	INTEGER(iwp) :: count !< counting masking indices along a dimension
[3554]	215	INTEGER(iwp) :: i !< loop index
	216	INTEGER(iwp) :: ilen !< length of string saved in 'do_mask'
	217	INTEGER(iwp) :: ind(6) !< index limits (lower/upper bounds) of output array
	218	INTEGER(iwp) :: ind_array(1) !< array index
	219	INTEGER(iwp) :: j !< loop index
	220	INTEGER(iwp) :: k !< loop index
[3435]	221	INTEGER(iwp) :: m !< mask index
[4069]	222	INTEGER(iwp) :: mid !< masked output running index
[3554]	223	INTEGER(iwp) :: n !< loop index
	224	INTEGER(iwp) :: sender !< PE id of sending PE
[1320]	225
[3554]	226	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !< temporary 1D array
[298]	227
[3554]	228	LOGICAL :: found !< true if variable is found
[2344]	229
[298]	230	!
[2344]	231	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	232	!-- in case of assignments of initial values in declaration statements for
	233	!-- arrays with more than 9999 elements (appears with -eD only)
	234	domask = ' '
	235
	236	!
[298]	237	!-- Allocation and initialization
[1414]	238	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	239
[1414]	240	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	241	mask_j(max_masks,nyn-nys+2), &
	242	mask_k(max_masks,nzt-nzb+2) )
[298]	243	!
	244	!-- internal mask arrays ("mask,dimension,selection")
	245	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	246	mask_loop(max_masks,3,3) )
[493]	247
[298]	248	!
[3045]	249	!-- Parallel mask output not yet supported. In check_parameters data format
	250	!-- is restricted and is switched back to non-parallel output. Therefore the
	251	!-- following error can not occur at the moment.
[1031]	252	IF ( netcdf_data_format > 4 ) THEN
[3045]	253	message_string = 'netCDF file formats '// &
	254	'5 and 6 (with parallel I/O support)'// &
	255	' are currently not supported.'
[564]	256	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	257	ENDIF
[553]	258
[298]	259	!
	260	!-- Store data output parameters for masked data output in few shared arrays
[996]	261	DO mid = 1, masks
[564]	262
[553]	263	do_mask (mid,:) = data_output_masks(mid,:)
	264	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	265	mask (mid,1,:) = mask_x(mid,:)
	266	mask (mid,2,:) = mask_y(mid,:)
	267	mask (mid,3,:) = mask_z(mid,:)
[3435]	268	!
	269	!-- Flag a mask as terrain following
	270	IF ( mask_k_over_surface(mid,1) /= -1_iwp ) THEN
	271	mask_surface(mid) = .TRUE.
	272	ENDIF
	273
[1353]	274	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	275	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	276	mask_loop(mid,1,1:2) = -1.0_wp
	277	mask_loop(mid,1,3) = 0.0_wp
[564]	278	ELSE
	279	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	280	ENDIF
[1353]	281	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	282	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	283	mask_loop(mid,2,1:2) = -1.0_wp
	284	mask_loop(mid,2,3) = 0.0_wp
[564]	285	ELSE
	286	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	287	ENDIF
[1353]	288	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	289	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	290	mask_loop(mid,3,1:2) = -1.0_wp
	291	mask_loop(mid,3,3) = 0.0_wp
[564]	292	ELSE
	293	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	294	ENDIF
	295
[553]	296	ENDDO
	297
[298]	298	mask_i = -1; mask_j = -1; mask_k = -1
[553]	299
[298]	300	!
	301	!-- Global arrays are required by define_netcdf_header.
[1031]	302	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	303	ALLOCATE( mask_i_global(max_masks,nx+2), &
	304	mask_j_global(max_masks,ny+2), &
	305	mask_k_global(max_masks,nz+2) )
[298]	306	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	307	ENDIF
	308
	309	!
	310	!-- Determine variable names for each mask
	311	DO mid = 1, masks
	312	!
	313	!-- Append user-defined data output variables to the standard data output
	314	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	315	i = 1
	316	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	317	i = i + 1
	318	ENDDO
	319	j = 1
	320	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	321	IF ( i > 100 ) THEN
[3045]	322	WRITE ( message_string, * ) 'number of output quantitities ', &
	323	'given by data_output_mask and data_output_mask_user ', &
[298]	324	'exceeds the limit of 100'
[564]	325	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	326	ENDIF
	327	do_mask(mid,i) = do_mask_user(mid,j)
	328	i = i + 1
	329	j = j + 1
	330	ENDDO
	331	ENDIF
	332
	333	!
	334	!-- Check and set steering parameters for mask data output and averaging
	335	i = 1
[996]	336	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	337	!
	338	!-- Check for data averaging
	339	ilen = LEN_TRIM( do_mask(mid,i) )
	340	j = 0 ! no data averaging
	341	IF ( ilen > 3 ) THEN
	342	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	343	j = 1 ! data averaging
	344	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	345	ENDIF
	346	ENDIF
	347	var = TRIM( do_mask(mid,i) )
	348	!
	349	!-- Check for allowed value and set units
	350	SELECT CASE ( TRIM( var ) )
	351
	352	CASE ( 'e' )
	353	IF ( constant_diffusion ) THEN
[3045]	354	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	355	'" requires constant_diffusion = .FALSE.'
[564]	356	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	357	ENDIF
	358	unit = 'm2/s2'
	359
[3421]	360	CASE ( 'thetal' )
[3274]	361	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	362	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	363	'" requires bulk_cloud_model = .TRUE.'
[773]	364	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	365	ENDIF
	366	unit = 'K'
	367
[2292]	368	CASE ( 'nc' )
[3274]	369	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	370	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	371	'" requires bulk_cloud_model = .TRUE.'
[2292]	372	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	373	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	374	message_string = 'output of "' // TRIM( var ) // '" ' // &
	375	'requires = morrison'
[2292]	376	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	377	ENDIF
	378	unit = '1/m3'
	379
[1438]	380	CASE ( 'nr' )
[3274]	381	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	382	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	383	'" requires bulk_cloud_model = .TRUE.'
[1438]	384	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	385	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	386	message_string = 'output of "' // TRIM( var ) // '"' // &
	387	'requires cloud_scheme = seifert_beheng'
[1438]	388	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	389	ENDIF
	390	unit = '1/m3'
	391
[298]	392	CASE ( 'pc', 'pr' )
	393	IF ( .NOT. particle_advection ) THEN
[3045]	394	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	395	'" requires a "particles_par"-NAMELIST in the ', &
[298]	396	'parameter file (PARIN)'
[564]	397	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	398	ENDIF
	399	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	400	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	401
[3421]	402	CASE ( 'q', 'thetav' )
[298]	403	IF ( .NOT. humidity ) THEN
[3045]	404	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	405	'" requires humidity = .TRUE.'
[564]	406	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	407	ENDIF
	408	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
[3421]	409	IF ( TRIM( var ) == 'thetav' ) unit = 'K'
[298]	410
[1438]	411	CASE ( 'qc' )
[3274]	412	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	413	message_string = 'output of "' // TRIM( var ) // '"' // &
[3274]	414	'requires bulk_cloud_model = .TRUE.'
[1438]	415	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	416	ENDIF
	417	unit = 'kg/kg'
	418
[298]	419	CASE ( 'ql' )
[3274]	420	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
[3045]	421	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	422	'" requires bulk_cloud_model = .TRUE. or ', &
	423	'cloud_droplets = .TRUE.'
[3045]	424	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	425	ENDIF
	426	unit = 'kg/kg'
	427
	428	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	429	IF ( .NOT. cloud_droplets ) THEN
[3045]	430	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	431	'" requires cloud_droplets = .TRUE.'
[564]	432	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	433	ENDIF
	434	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	435	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	436	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	437
	438	CASE ( 'qv' )
[3274]	439	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	440	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	441	'" requires bulk_cloud_model = .TRUE.'
[564]	442	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	443	ENDIF
	444	unit = 'kg/kg'
	445
[1438]	446	CASE ( 'qr' )
[3274]	447	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	448	message_string = 'output of "' // TRIM( var ) // '" ' // &
[3274]	449	'requires bulk_cloud_model = .TRUE.'
[1438]	450	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	451	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	452	message_string = 'output of "' // TRIM( var ) // '" ' // &
	453	'requires cloud_scheme = seifert_beheng'
[1438]	454	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	455	ENDIF
	456	unit = 'kg/kg'
	457
[3421]	458	CASE ( 'rho_sea_water' )
[3294]	459	IF ( .NOT. ocean_mode ) THEN
[3045]	460	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	461	'" requires ocean mode'
[564]	462	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	463	ENDIF
	464	unit = 'kg/m3'
	465
	466	CASE ( 's' )
	467	IF ( .NOT. passive_scalar ) THEN
[3045]	468	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	469	'" requires passive_scalar = .TRUE.'
[564]	470	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	471	ENDIF
	472	unit = 'conc'
	473
	474	CASE ( 'sa' )
[3294]	475	IF ( .NOT. ocean_mode ) THEN
[3045]	476	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	477	'" requires ocean mode'
[564]	478	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	479	ENDIF
	480	unit = 'psu'
	481
[3421]	482	CASE ( 'us', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	483	WRITE ( message_string, * ) 'illegal value for data_', &
	484	'output: "', TRIM( var ), '" is only allowed', &
[298]	485	'for horizontal cross section'
[564]	486	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	487
[3421]	488	CASE ( 'p', 'theta', 'u', 'v', 'w' )
[298]	489	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
[3421]	490	IF ( TRIM( var ) == 'theta' ) unit = 'K'
[298]	491	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	492	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	493	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	494	CONTINUE
	495
	496	CASE DEFAULT
[3687]	497	!
	498	!-- Allocate arrays for other modules
	499	CALL module_interface_init_masks( var, unit )
[298]	500
	501	IF ( unit == 'illegal' ) THEN
	502	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	503	WRITE ( message_string, * ) 'illegal value for data_', &
	504	'output_masks or data_output_masks_user: "', &
[298]	505	TRIM( do_mask(mid,i) ), '"'
[3045]	506	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	507	ELSE
[3045]	508	WRITE ( message_string, * ) 'illegal value for data_', &
	509	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	510	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	511	ENDIF
	512	ENDIF
	513
	514	END SELECT
	515	!
	516	!-- Set the internal steering parameters appropriately
	517	domask_no(mid,j) = domask_no(mid,j) + 1
	518	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	519	domask_unit(mid,j,domask_no(mid,j)) = unit
	520
	521	IF ( j == 1 ) THEN
	522	!
	523	!-- Check, if variable is already subject to averaging
	524	found = .FALSE.
	525	DO k = 1, doav_n
	526	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	527	ENDDO
	528
	529	IF ( .NOT. found ) THEN
	530	doav_n = doav_n + 1
	531	doav(doav_n) = var
	532	ENDIF
	533	ENDIF
	534
	535	i = i + 1
	536
	537	ENDDO ! do_mask(mid,i)
	538	ENDDO ! mid
	539
	540
	541	!
	542	!-- Determine mask locations for each mask
	543	DO mid = 1, masks
	544	!
	545	!-- Set local masks for each subdomain along all three dimensions
	546	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	547	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3435]	548	IF ( .NOT. mask_surface(mid) ) THEN
	549	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
	550	ELSE
[298]	551	!
[3435]	552	!-- Set vertical mask locations and size in case of terrain-following
	553	!-- output
	554	count = 0
	555	DO WHILE ( mask_k_over_surface(mid, count+1) >= 0 )
	556	m = mask_k_over_surface(mid, count+1)
	557	IF ( m > nz+1 ) THEN
	558	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	559	m,' in mask ',mid,' along dimension ', 3, &
	560	' exceeds (nz+1) = ',nz+1
	561	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
	562	ENDIF
	563	count = count + 1
	564	mask_k(mid,count) = mask_k_over_surface(mid, count)
	565	IF ( count == mask_xyz_dimension ) EXIT
	566	ENDDO
	567	mask_start_l(mid,3) = 1
	568	mask_size(mid,3) = count
	569	mask_size_l(mid,3) = count
	570	ENDIF
	571	!
[298]	572	!-- Set global masks along all three dimensions (required by
	573	!-- define_netcdf_header).
[1804]	574	#if defined( __parallel )
[298]	575	!
	576	!-- PE0 receives partial arrays from all processors of the respective mask
	577	!-- and outputs them. Here a barrier has to be set, because otherwise
	578	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	579
[298]	580	CALL MPI_BARRIER( comm2d, ierr )
	581
	582	IF ( myid == 0 ) THEN
	583	!
	584	!-- Local arrays can be relocated directly.
	585	mask_i_global(mid,mask_start_l(mid,1): &
	586	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	587	mask_i(mid,:mask_size_l(mid,1))
	588	mask_j_global(mid,mask_start_l(mid,2): &
	589	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	590	mask_j(mid,:mask_size_l(mid,2))
	591	mask_k_global(mid,mask_start_l(mid,3): &
	592	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	593	mask_k(mid,:mask_size_l(mid,3))
	594	!
	595	!-- Receive data from all other PEs.
	596	DO n = 1, numprocs-1
	597	!
	598	!-- Receive index limits first, then arrays.
	599	!-- Index limits are received in arbitrary order from the PEs.
	600	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	601	comm2d, status, ierr )
	602	!
	603	!-- Not all PEs have data for the mask.
	604	IF ( ind(1) /= -9999 ) THEN
	605	sender = status(MPI_SOURCE)
	606	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	607	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	608	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	609	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	610	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	611	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	612	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	613	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	614	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	615	ENDIF
	616	ENDDO
	617
	618	ELSE
	619	!
	620	!-- If at least part of the mask resides on the PE, send the index limits
	621	!-- for the target array, otherwise send -9999 to PE0.
[996]	622	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	623	mask_size_l(mid,3) > 0 ) THEN
[298]	624	ind(1) = mask_start_l(mid,1)
	625	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	626	ind(3) = mask_start_l(mid,2)
	627	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	628	ind(5) = mask_start_l(mid,3)
	629	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	630	ELSE
	631	ind(1) = -9999; ind(2) = -9999
	632	ind(3) = -9999; ind(4) = -9999
	633	ind(5) = -9999; ind(6) = -9999
	634	ENDIF
	635	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	636	!
	637	!-- If applicable, send data to PE0.
	638	IF ( ind(1) /= -9999 ) THEN
	639	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	640	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	641	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	642	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	643	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	644	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	645	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	646	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	647	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	648	ENDIF
	649	ENDIF
	650	!
	651	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	652	!-- so that PE0 may receive wrong data on tag 0.
	653	CALL MPI_BARRIER( comm2d, ierr )
[409]	654
[1031]	655	IF ( netcdf_data_format > 4 ) THEN
[409]	656
[1414]	657	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	658	ierr )
[1414]	659	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	660	ierr )
[1414]	661	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	662	ierr )
[1682]	663
[409]	664	ENDIF
[298]	665
[1804]	666	#else
[298]	667	!
	668	!-- Local arrays can be relocated directly.
	669	mask_i_global(mid,:) = mask_i(mid,:)
	670	mask_j_global(mid,:) = mask_j(mid,:)
	671	mask_k_global(mid,:) = mask_k(mid,:)
	672	#endif
	673	ENDDO ! mid
	674
	675	DEALLOCATE( tmp_array )
	676	!
	677	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	678	!-- required for header output on PE 0.
	679	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	680
	681	CONTAINS
[493]	682
[298]	683	!------------------------------------------------------------------------------!
	684	! Description:
	685	! ------------
[1682]	686	!> Set local mask for each subdomain along 'dim' direction.
[298]	687	!------------------------------------------------------------------------------!
[1682]	688	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	689	lb, ub )
[298]	690
	691	IMPLICIT NONE
	692
[1682]	693	CHARACTER (LEN=2) :: dxyz_string !<
	694	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	695
[1682]	696	INTEGER(iwp) :: count !<
	697	INTEGER(iwp) :: count_l !<
	698	INTEGER(iwp) :: dim !<
	699	INTEGER(iwp) :: m !<
	700	INTEGER(iwp) :: loop_begin !<
	701	INTEGER(iwp) :: loop_end !<
	702	INTEGER(iwp) :: loop_stride !<
	703	INTEGER(iwp) :: lb !<
	704	INTEGER(iwp) :: nxyz !<
	705	INTEGER(iwp) :: ub !<
[1320]	706
[1682]	707	REAL(wp) :: dxyz !<
	708	REAL(wp) :: ddxyz !<
	709	REAL(wp) :: tmp1 !<
	710	REAL(wp) :: tmp2 !<
[298]	711
[1353]	712	count = 0; count_l = 0
	713	ddxyz = 1.0_wp / dxyz
	714	tmp1 = 0.0_wp
	715	tmp2 = 0.0_wp
[298]	716
[1353]	717	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	718	!
	719	!-- use predefined mask_* array
[1353]	720	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	721	count = count + 1
	722	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	723	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	724	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	725	ELSEIF ( dim == 3 ) THEN
	726	ind_array = &
[595]	727	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	728	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	729	ENDIF
[1414]	730	IF ( m > (nxyz+1) ) THEN
[3045]	731	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	732	m,' in mask ',mid,' along dimension ',dim, &
[1414]	733	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	734	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	735	ENDIF
[1414]	736	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	737	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	738	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	739	count_l = count_l + 1
	740	IF ( dim == 1 ) THEN
	741	mask_i(mid,count_l) = m
	742	ELSEIF ( dim == 2 ) THEN
	743	mask_j(mid,count_l) = m
	744	ELSEIF ( dim == 3 ) THEN
	745	mask_k(mid,count_l) = m
	746	ENDIF
	747	ENDIF
	748	IF ( count == mask_xyz_dimension ) EXIT
	749	ENDDO
	750	mask_size(mid,dim) = count
	751	mask_size_l(mid,dim) = count_l
	752
	753	ELSE
	754	!
	755	!-- use predefined mask_loop_* array, or use the default (all grid points
	756	!-- along this direction)
[1353]	757	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	758	tmp1 = mask_loop(mid,dim,1)
[1186]	759	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	760	ENDIF
	761	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	762	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	763	tmp2 = mask_loop(mid,dim,2)
[3512]	764	mask_loop(mid,dim,2) = nxyz*dxyz / mask_scale(dim) ! (default)
[298]	765	ENDIF
	766	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	767	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	768	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	769	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	770	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	771	mask_loop(mid,dim,2),' exceed (', &
	772	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	773	(nxyz+1)*dxyz/mask_scale(dim)
[564]	774	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	775	ENDIF
[3045]	776	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	777	* ddxyz - 0.5_wp )
[3045]	778	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	779	* ddxyz - 0.5_wp )
[3045]	780	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	781	* ddxyz )
[1414]	782	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	783	ELSEIF ( dim == 3 ) THEN
[1353]	784	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	785	tmp2 = mask_loop(mid,dim,2)
[1414]	786	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	787	ENDIF
	788	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	789	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	790	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	791	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	792	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	793	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	794	')=',zu(nz+1)/mask_scale(dim)
[564]	795	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	796	ENDIF
[303]	797	ind_array = &
[595]	798	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	799	loop_begin = &
[303]	800	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	801	ind_array = &
[595]	802	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	803	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	804	!
[303]	805	!-- The following line assumes a constant vertical grid spacing within
	806	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	807	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	808	!-- within the IF statement is necessary because the default value of
	809	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	810	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	811
[3065]	812	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	813	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	814	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	815	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	816	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	817	'.&Vertical mask locations will not ', &
[3045]	818	'match the desired heights within the stretching ', &
[2271]	819	'region.'
[564]	820	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	821	ENDIF
	822
[298]	823	ENDIF
	824	!
	825	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	826	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	827	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	828	!
	829	!-- The default stride +/-1 (every grid point) applies if
	830	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	831	IF ( loop_stride == 0 ) THEN
	832	IF ( loop_end >= loop_begin ) THEN
	833	loop_stride = 1
	834	ELSE
	835	loop_stride = -1
	836	ENDIF
	837	ENDIF
	838	DO m = loop_begin, loop_end, loop_stride
	839	count = count + 1
[1414]	840	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	841	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	842	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	843	count_l = count_l + 1
	844	IF ( dim == 1 ) THEN
	845	mask_i(mid,count_l) = m
	846	ELSEIF ( dim == 2 ) THEN
	847	mask_j(mid,count_l) = m
	848	ELSEIF ( dim == 3 ) THEN
	849	mask_k(mid,count_l) = m
	850	ENDIF
	851	ENDIF
	852	ENDDO
	853	mask_size(mid,dim) = count
	854	mask_size_l(mid,dim) = count_l
[1414]	855
[298]	856	ENDIF
	857
	858	END SUBROUTINE set_mask_locations
	859
	860	END SUBROUTINE init_masks

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