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source: palm/trunk/SOURCE/init_masks.f90 @ 3947

Last change on this file since 3947 was 3766, checked in by raasch, 6 years ago
unused_variables removed, bugfix in im_define_netcdf_grid argument list, trim added to avoid truncation compiler warnings, save attribute added to local targets to avoid outlive pointer target warning, first argument removed from module_interface_rrd_*, file module_interface reformatted with respect to coding standards, bugfix in surface_data_output_rrd_local (variable k removed)
Property svn:keywords set to `Id`
File size: 34.2 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 3766 2019-02-26 16:23:41Z hellstea $
[3665]	27	! unused variables removed
	28	!
[3766]	29	! 3687 2019-01-22 10:42:06Z knoop
	30	! unused variables removed
	31	!
[3665]	32	! 3655 2019-01-07 16:51:22Z knoop
[3589]	33	! Move the control parameter "salsa" from salsa_mod to control_parameters
	34	! (M. Kurppa)
	35	!
	36	! 3582 2018-11-29 19:16:36Z suehring
[3554]	37	! add variable description
	38	!
	39	! 3512 2018-11-09 18:09:51Z gronemeier
[3512]	40	! Bugfix: do not output ghost points if mask_x/y_loop is not specified
	41	!
	42	! 3467 2018-10-30 19:05:21Z suehring
[3467]	43	! Implementation of a new aerosol module salsa.
	44	!
	45	! 3435 2018-10-26 18:25:44Z gronemeier
[3435]	46	! Add checks for chemistry and radiation model
	47	! Set indices for terrain-following masked output
	48	!
	49	! 3421 2018-10-24 18:39:32Z gronemeier
[3421]	50	! Renamed output variables
	51	!
	52	! 3419 2018-10-24 17:27:31Z gronemeier
[3294]	53	! ocean renamed ocean_mode
	54	!
	55	! 3274 2018-09-24 15:42:55Z knoop
[3274]	56	! Modularization of all bulk cloud physics code components
	57	!
	58	! 3065 2018-06-12 07:03:02Z Giersch
[3065]	59	! dz_stretch_level was replaced by dz_stretch_level_start
	60	!
	61	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	62	! Error messages revised
	63	!
[3049]	64	! 3045 2018-05-28 07:55:41Z Giersch
	65	! Error messages revised
	66	!
[3045]	67	! 2718 2018-01-02 08:49:38Z maronga
[2716]	68	! Corrected "Former revisions" section
	69	!
	70	! 2696 2017-12-14 17:12:51Z kanani
	71	! Change in file header (GPL part)
	72	!
	73	! 2344 2017-08-09 11:00:34Z raasch
[2344]	74	! explicit setting of initial values for array domask required due to a bug
	75	! in the Cray compiler (appears only if option -eD is used)
	76	!
	77	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	78	! Bugfix: set variable name length to global value
	79	!
	80	!
[2292]	81	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	82	! includes two more prognostic equations for cloud drop concentration (nc)
	83	! and cloud water content (qc).
	84	!
	85	! 2271 2017-06-09 12:34:55Z sward
[2271]	86	! Changed error message
	87	!
	88	! 2101 2017-01-05 16:42:31Z suehring
[1321]	89	!
[2032]	90	! 2031 2016-10-21 15:11:58Z knoop
	91	! renamed variable rho to rho_ocean
	92	!
[2001]	93	! 2000 2016-08-20 18:09:15Z knoop
	94	! Forced header and separation lines into 80 columns
	95	!
[1823]	96	! 1822 2016-04-07 07:49:42Z hoffmann
	97	! icloud_scheme replaced by microphysics_*
	98	!
[1805]	99	! 1804 2016-04-05 16:30:18Z maronga
	100	! Removed code for parameter file check (__check)
	101	!
[1784]	102	! 1783 2016-03-06 18:36:17Z raasch
	103	! netcdf module name changed + related changes
	104	!
[1683]	105	! 1682 2015-10-07 23:56:08Z knoop
	106	! Code annotations made doxygen readable
	107	!
[1439]	108	! 1438 2014-07-22 14:14:06Z heinze
	109	! +nr, qc, qr
	110	!
[1415]	111	! 1414 2014-05-31 11:19:48Z gronemeier
	112	! Bugfix: first and last grid points as they appear in 3D volume data can now
	113	! be included to masked data output
	114	!
[1354]	115	! 1353 2014-04-08 15:21:23Z heinze
	116	! REAL constants provided with KIND-attribute
	117	!
[1325]	118	! 1324 2014-03-21 09:13:16Z suehring
	119	! Bugfix: ONLY statement for module netcdf_control removed
	120	!
[1321]	121	! 1320 2014-03-20 08:40:49Z raasch
[1320]	122	! ONLY-attribute added to USE-statements,
	123	! kind-parameters added to all INTEGER and REAL declaration statements,
	124	! kinds are defined in new module kinds,
	125	! revision history before 2012 removed,
	126	! comment fields (!:) to be used for variable explanations added to
	127	! all variable declaration statements
[298]	128	!
[1187]	129	! 1186 2013-06-18 06:22:52Z raasch
	130	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	131	! because a zero value does not work in case of ocean runs
	132	!
[1037]	133	! 1036 2012-10-22 13:43:42Z raasch
	134	! code put under GPL (PALM 3.9)
	135	!
[1033]	136	! 1032 2012-10-21 13:03:21Z letzel
	137	! mask locations determined based on scalar positions
	138	!
[1035]	139	! 1031 2012-10-19 14:35:30Z raasch
	140	! netCDF4 without parallel file support implemented
	141	!
[997]	142	! 996 2012-09-07 10:41:47Z raasch
	143	! little reformatting
	144	!
[979]	145	! 978 2012-08-09 08:28:32Z fricke
	146	! +z0h*
	147	!
[810]	148	! 809 2012-01-30 13:32:58Z maronga
	149	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	150	!
[808]	151	! 807 2012-01-25 11:53:51Z maronga
	152	! New cpp directive "__check" implemented which is used by check_namelist_files
	153	!
[449]	154	! 410 2009-12-04 17:05:40Z letzel
	155	! Initial revision
[298]	156	!
[449]	157	!
[298]	158	! Description:
	159	! ------------
[1682]	160	!> Initialize masked data output
[298]	161	!------------------------------------------------------------------------------!
[1682]	162	SUBROUTINE init_masks
[298]	163
[1320]	164	USE arrays_3d, &
	165	ONLY: zu, zw
	166
[3435]	167	USE bulk_cloud_model_mod, &
	168	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
	169
[1320]	170	USE control_parameters, &
[3766]	171	ONLY: constant_diffusion, cloud_droplets, &
[1320]	172	data_output_masks, data_output_masks_user, &
[3065]	173	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	174	humidity, mask, masks, mask_scale, mask_i, &
[1320]	175	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
[3435]	176	mask_k_over_surface, &
	177	mask_loop, mask_size, mask_size_l, mask_start_l, &
	178	mask_surface, mask_x, &
[1320]	179	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	180	mask_z_loop, max_masks, message_string, mid, &
[3766]	181	passive_scalar, ocean_mode, varnamelength
[1320]	182
	183	USE grid_variables, &
	184	ONLY: dx, dy
	185
	186	USE indices, &
	187	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	188
	189	USE kinds
	190
[3687]	191	USE module_interface, &
	192	ONLY: module_interface_init_masks
	193
[1783]	194	USE netcdf_interface, &
	195	ONLY: domask_unit, netcdf_data_format
[1320]	196
	197	USE particle_attributes, &
	198	ONLY: particle_advection
	199
[3687]	200	USE pegrid
[3435]	201
[298]	202	IMPLICIT NONE
	203
[3554]	204	CHARACTER (LEN=varnamelength) :: var !< contains variable name
	205	CHARACTER (LEN=7) :: unit !< contains unit of variable
[1320]	206
[3554]	207	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !< list of output variables
	208	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !< list of user-specified output variables
[298]	209
[3435]	210	INTEGER(iwp) :: count !< counting masking indices along a dimension
[3554]	211	INTEGER(iwp) :: i !< loop index
	212	INTEGER(iwp) :: ilen !< length of string saved in 'do_mask'
	213	INTEGER(iwp) :: ind(6) !< index limits (lower/upper bounds) of output array
	214	INTEGER(iwp) :: ind_array(1) !< array index
	215	INTEGER(iwp) :: j !< loop index
	216	INTEGER(iwp) :: k !< loop index
[3435]	217	INTEGER(iwp) :: m !< mask index
[3554]	218	INTEGER(iwp) :: n !< loop index
	219	INTEGER(iwp) :: sender !< PE id of sending PE
[1320]	220
[3554]	221	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !< temporary 1D array
[298]	222
[3554]	223	LOGICAL :: found !< true if variable is found
[2344]	224
[298]	225	!
[2344]	226	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	227	!-- in case of assignments of initial values in declaration statements for
	228	!-- arrays with more than 9999 elements (appears with -eD only)
	229	domask = ' '
	230
	231	!
[298]	232	!-- Allocation and initialization
[1414]	233	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	234
[1414]	235	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	236	mask_j(max_masks,nyn-nys+2), &
	237	mask_k(max_masks,nzt-nzb+2) )
[298]	238	!
	239	!-- internal mask arrays ("mask,dimension,selection")
	240	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	241	mask_loop(max_masks,3,3) )
[493]	242
[298]	243	!
[3045]	244	!-- Parallel mask output not yet supported. In check_parameters data format
	245	!-- is restricted and is switched back to non-parallel output. Therefore the
	246	!-- following error can not occur at the moment.
[1031]	247	IF ( netcdf_data_format > 4 ) THEN
[3045]	248	message_string = 'netCDF file formats '// &
	249	'5 and 6 (with parallel I/O support)'// &
	250	' are currently not supported.'
[564]	251	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	252	ENDIF
[553]	253
[298]	254	!
	255	!-- Store data output parameters for masked data output in few shared arrays
[996]	256	DO mid = 1, masks
[564]	257
[553]	258	do_mask (mid,:) = data_output_masks(mid,:)
	259	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	260	mask (mid,1,:) = mask_x(mid,:)
	261	mask (mid,2,:) = mask_y(mid,:)
	262	mask (mid,3,:) = mask_z(mid,:)
[3435]	263	!
	264	!-- Flag a mask as terrain following
	265	IF ( mask_k_over_surface(mid,1) /= -1_iwp ) THEN
	266	mask_surface(mid) = .TRUE.
	267	ENDIF
	268
[1353]	269	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	270	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	271	mask_loop(mid,1,1:2) = -1.0_wp
	272	mask_loop(mid,1,3) = 0.0_wp
[564]	273	ELSE
	274	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	275	ENDIF
[1353]	276	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	277	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	278	mask_loop(mid,2,1:2) = -1.0_wp
	279	mask_loop(mid,2,3) = 0.0_wp
[564]	280	ELSE
	281	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	282	ENDIF
[1353]	283	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	284	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	285	mask_loop(mid,3,1:2) = -1.0_wp
	286	mask_loop(mid,3,3) = 0.0_wp
[564]	287	ELSE
	288	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	289	ENDIF
	290
[553]	291	ENDDO
	292
[298]	293	mask_i = -1; mask_j = -1; mask_k = -1
[553]	294
[298]	295	!
	296	!-- Global arrays are required by define_netcdf_header.
[1031]	297	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	298	ALLOCATE( mask_i_global(max_masks,nx+2), &
	299	mask_j_global(max_masks,ny+2), &
	300	mask_k_global(max_masks,nz+2) )
[298]	301	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	302	ENDIF
	303
	304	!
	305	!-- Determine variable names for each mask
	306	DO mid = 1, masks
	307	!
	308	!-- Append user-defined data output variables to the standard data output
	309	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	310	i = 1
	311	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	312	i = i + 1
	313	ENDDO
	314	j = 1
	315	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	316	IF ( i > 100 ) THEN
[3045]	317	WRITE ( message_string, * ) 'number of output quantitities ', &
	318	'given by data_output_mask and data_output_mask_user ', &
[298]	319	'exceeds the limit of 100'
[564]	320	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	321	ENDIF
	322	do_mask(mid,i) = do_mask_user(mid,j)
	323	i = i + 1
	324	j = j + 1
	325	ENDDO
	326	ENDIF
	327
	328	!
	329	!-- Check and set steering parameters for mask data output and averaging
	330	i = 1
[996]	331	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	332	!
	333	!-- Check for data averaging
	334	ilen = LEN_TRIM( do_mask(mid,i) )
	335	j = 0 ! no data averaging
	336	IF ( ilen > 3 ) THEN
	337	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	338	j = 1 ! data averaging
	339	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	340	ENDIF
	341	ENDIF
	342	var = TRIM( do_mask(mid,i) )
	343	!
	344	!-- Check for allowed value and set units
	345	SELECT CASE ( TRIM( var ) )
	346
	347	CASE ( 'e' )
	348	IF ( constant_diffusion ) THEN
[3045]	349	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	350	'" requires constant_diffusion = .FALSE.'
[564]	351	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	352	ENDIF
	353	unit = 'm2/s2'
	354
[3421]	355	CASE ( 'thetal' )
[3274]	356	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	357	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	358	'" requires bulk_cloud_model = .TRUE.'
[773]	359	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	360	ENDIF
	361	unit = 'K'
	362
[2292]	363	CASE ( 'nc' )
[3274]	364	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	365	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	366	'" requires bulk_cloud_model = .TRUE.'
[2292]	367	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	368	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	369	message_string = 'output of "' // TRIM( var ) // '" ' // &
	370	'requires = morrison'
[2292]	371	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	372	ENDIF
	373	unit = '1/m3'
	374
[1438]	375	CASE ( 'nr' )
[3274]	376	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	377	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	378	'" requires bulk_cloud_model = .TRUE.'
[1438]	379	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	380	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	381	message_string = 'output of "' // TRIM( var ) // '"' // &
	382	'requires cloud_scheme = seifert_beheng'
[1438]	383	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	384	ENDIF
	385	unit = '1/m3'
	386
[298]	387	CASE ( 'pc', 'pr' )
	388	IF ( .NOT. particle_advection ) THEN
[3045]	389	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	390	'" requires a "particles_par"-NAMELIST in the ', &
[298]	391	'parameter file (PARIN)'
[564]	392	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	393	ENDIF
	394	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	395	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	396
[3421]	397	CASE ( 'q', 'thetav' )
[298]	398	IF ( .NOT. humidity ) THEN
[3045]	399	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	400	'" requires humidity = .TRUE.'
[564]	401	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	402	ENDIF
	403	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
[3421]	404	IF ( TRIM( var ) == 'thetav' ) unit = 'K'
[298]	405
[1438]	406	CASE ( 'qc' )
[3274]	407	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	408	message_string = 'output of "' // TRIM( var ) // '"' // &
[3274]	409	'requires bulk_cloud_model = .TRUE.'
[1438]	410	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	411	ENDIF
	412	unit = 'kg/kg'
	413
[298]	414	CASE ( 'ql' )
[3274]	415	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
[3045]	416	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	417	'" requires bulk_cloud_model = .TRUE. or ', &
	418	'cloud_droplets = .TRUE.'
[3045]	419	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	420	ENDIF
	421	unit = 'kg/kg'
	422
	423	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	424	IF ( .NOT. cloud_droplets ) THEN
[3045]	425	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	426	'" requires cloud_droplets = .TRUE.'
[564]	427	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	428	ENDIF
	429	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	430	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	431	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	432
	433	CASE ( 'qv' )
[3274]	434	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	435	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	436	'" requires bulk_cloud_model = .TRUE.'
[564]	437	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	438	ENDIF
	439	unit = 'kg/kg'
	440
[1438]	441	CASE ( 'qr' )
[3274]	442	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	443	message_string = 'output of "' // TRIM( var ) // '" ' // &
[3274]	444	'requires bulk_cloud_model = .TRUE.'
[1438]	445	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	446	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	447	message_string = 'output of "' // TRIM( var ) // '" ' // &
	448	'requires cloud_scheme = seifert_beheng'
[1438]	449	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	450	ENDIF
	451	unit = 'kg/kg'
	452
[3421]	453	CASE ( 'rho_sea_water' )
[3294]	454	IF ( .NOT. ocean_mode ) THEN
[3045]	455	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	456	'" requires ocean mode'
[564]	457	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	458	ENDIF
	459	unit = 'kg/m3'
	460
	461	CASE ( 's' )
	462	IF ( .NOT. passive_scalar ) THEN
[3045]	463	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	464	'" requires passive_scalar = .TRUE.'
[564]	465	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	466	ENDIF
	467	unit = 'conc'
	468
	469	CASE ( 'sa' )
[3294]	470	IF ( .NOT. ocean_mode ) THEN
[3045]	471	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3294]	472	'" requires ocean mode'
[564]	473	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	474	ENDIF
	475	unit = 'psu'
	476
[3421]	477	CASE ( 'us', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	478	WRITE ( message_string, * ) 'illegal value for data_', &
	479	'output: "', TRIM( var ), '" is only allowed', &
[298]	480	'for horizontal cross section'
[564]	481	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	482
[3421]	483	CASE ( 'p', 'theta', 'u', 'v', 'w' )
[298]	484	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
[3421]	485	IF ( TRIM( var ) == 'theta' ) unit = 'K'
[298]	486	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	487	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	488	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	489	CONTINUE
	490
	491	CASE DEFAULT
[3687]	492	!
	493	!-- Allocate arrays for other modules
	494	CALL module_interface_init_masks( var, unit )
[298]	495
	496	IF ( unit == 'illegal' ) THEN
	497	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	498	WRITE ( message_string, * ) 'illegal value for data_', &
	499	'output_masks or data_output_masks_user: "', &
[298]	500	TRIM( do_mask(mid,i) ), '"'
[3045]	501	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	502	ELSE
[3045]	503	WRITE ( message_string, * ) 'illegal value for data_', &
	504	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	505	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	506	ENDIF
	507	ENDIF
	508
	509	END SELECT
	510	!
	511	!-- Set the internal steering parameters appropriately
	512	domask_no(mid,j) = domask_no(mid,j) + 1
	513	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	514	domask_unit(mid,j,domask_no(mid,j)) = unit
	515
	516	IF ( j == 1 ) THEN
	517	!
	518	!-- Check, if variable is already subject to averaging
	519	found = .FALSE.
	520	DO k = 1, doav_n
	521	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	522	ENDDO
	523
	524	IF ( .NOT. found ) THEN
	525	doav_n = doav_n + 1
	526	doav(doav_n) = var
	527	ENDIF
	528	ENDIF
	529
	530	i = i + 1
	531
	532	ENDDO ! do_mask(mid,i)
	533	ENDDO ! mid
	534
	535
	536	!
	537	!-- Determine mask locations for each mask
	538	DO mid = 1, masks
	539	!
	540	!-- Set local masks for each subdomain along all three dimensions
	541	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	542	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3435]	543	IF ( .NOT. mask_surface(mid) ) THEN
	544	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
	545	ELSE
[298]	546	!
[3435]	547	!-- Set vertical mask locations and size in case of terrain-following
	548	!-- output
	549	count = 0
	550	DO WHILE ( mask_k_over_surface(mid, count+1) >= 0 )
	551	m = mask_k_over_surface(mid, count+1)
	552	IF ( m > nz+1 ) THEN
	553	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	554	m,' in mask ',mid,' along dimension ', 3, &
	555	' exceeds (nz+1) = ',nz+1
	556	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
	557	ENDIF
	558	count = count + 1
	559	mask_k(mid,count) = mask_k_over_surface(mid, count)
	560	IF ( count == mask_xyz_dimension ) EXIT
	561	ENDDO
	562	mask_start_l(mid,3) = 1
	563	mask_size(mid,3) = count
	564	mask_size_l(mid,3) = count
	565	ENDIF
	566	!
[298]	567	!-- Set global masks along all three dimensions (required by
	568	!-- define_netcdf_header).
[1804]	569	#if defined( __parallel )
[298]	570	!
	571	!-- PE0 receives partial arrays from all processors of the respective mask
	572	!-- and outputs them. Here a barrier has to be set, because otherwise
	573	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	574
[298]	575	CALL MPI_BARRIER( comm2d, ierr )
	576
	577	IF ( myid == 0 ) THEN
	578	!
	579	!-- Local arrays can be relocated directly.
	580	mask_i_global(mid,mask_start_l(mid,1): &
	581	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	582	mask_i(mid,:mask_size_l(mid,1))
	583	mask_j_global(mid,mask_start_l(mid,2): &
	584	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	585	mask_j(mid,:mask_size_l(mid,2))
	586	mask_k_global(mid,mask_start_l(mid,3): &
	587	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	588	mask_k(mid,:mask_size_l(mid,3))
	589	!
	590	!-- Receive data from all other PEs.
	591	DO n = 1, numprocs-1
	592	!
	593	!-- Receive index limits first, then arrays.
	594	!-- Index limits are received in arbitrary order from the PEs.
	595	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	596	comm2d, status, ierr )
	597	!
	598	!-- Not all PEs have data for the mask.
	599	IF ( ind(1) /= -9999 ) THEN
	600	sender = status(MPI_SOURCE)
	601	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	602	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	603	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	604	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	605	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	606	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	607	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	608	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	609	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	610	ENDIF
	611	ENDDO
	612
	613	ELSE
	614	!
	615	!-- If at least part of the mask resides on the PE, send the index limits
	616	!-- for the target array, otherwise send -9999 to PE0.
[996]	617	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	618	mask_size_l(mid,3) > 0 ) THEN
[298]	619	ind(1) = mask_start_l(mid,1)
	620	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	621	ind(3) = mask_start_l(mid,2)
	622	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	623	ind(5) = mask_start_l(mid,3)
	624	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	625	ELSE
	626	ind(1) = -9999; ind(2) = -9999
	627	ind(3) = -9999; ind(4) = -9999
	628	ind(5) = -9999; ind(6) = -9999
	629	ENDIF
	630	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	631	!
	632	!-- If applicable, send data to PE0.
	633	IF ( ind(1) /= -9999 ) THEN
	634	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	635	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	636	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	637	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	638	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	639	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	640	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	641	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	642	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	643	ENDIF
	644	ENDIF
	645	!
	646	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	647	!-- so that PE0 may receive wrong data on tag 0.
	648	CALL MPI_BARRIER( comm2d, ierr )
[409]	649
[1031]	650	IF ( netcdf_data_format > 4 ) THEN
[409]	651
[1414]	652	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	653	ierr )
[1414]	654	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	655	ierr )
[1414]	656	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	657	ierr )
[1682]	658
[409]	659	ENDIF
[298]	660
[1804]	661	#else
[298]	662	!
	663	!-- Local arrays can be relocated directly.
	664	mask_i_global(mid,:) = mask_i(mid,:)
	665	mask_j_global(mid,:) = mask_j(mid,:)
	666	mask_k_global(mid,:) = mask_k(mid,:)
	667	#endif
	668	ENDDO ! mid
	669
	670	DEALLOCATE( tmp_array )
	671	!
	672	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	673	!-- required for header output on PE 0.
	674	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	675
	676	CONTAINS
[493]	677
[298]	678	!------------------------------------------------------------------------------!
	679	! Description:
	680	! ------------
[1682]	681	!> Set local mask for each subdomain along 'dim' direction.
[298]	682	!------------------------------------------------------------------------------!
[1682]	683	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	684	lb, ub )
[298]	685
	686	IMPLICIT NONE
	687
[1682]	688	CHARACTER (LEN=2) :: dxyz_string !<
	689	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	690
[1682]	691	INTEGER(iwp) :: count !<
	692	INTEGER(iwp) :: count_l !<
	693	INTEGER(iwp) :: dim !<
	694	INTEGER(iwp) :: m !<
	695	INTEGER(iwp) :: loop_begin !<
	696	INTEGER(iwp) :: loop_end !<
	697	INTEGER(iwp) :: loop_stride !<
	698	INTEGER(iwp) :: lb !<
	699	INTEGER(iwp) :: nxyz !<
	700	INTEGER(iwp) :: ub !<
[1320]	701
[1682]	702	REAL(wp) :: dxyz !<
	703	REAL(wp) :: ddxyz !<
	704	REAL(wp) :: tmp1 !<
	705	REAL(wp) :: tmp2 !<
[298]	706
[1353]	707	count = 0; count_l = 0
	708	ddxyz = 1.0_wp / dxyz
	709	tmp1 = 0.0_wp
	710	tmp2 = 0.0_wp
[298]	711
[1353]	712	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	713	!
	714	!-- use predefined mask_* array
[1353]	715	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	716	count = count + 1
	717	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	718	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	719	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	720	ELSEIF ( dim == 3 ) THEN
	721	ind_array = &
[595]	722	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	723	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	724	ENDIF
[1414]	725	IF ( m > (nxyz+1) ) THEN
[3045]	726	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	727	m,' in mask ',mid,' along dimension ',dim, &
[1414]	728	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	729	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	730	ENDIF
[1414]	731	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	732	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	733	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	734	count_l = count_l + 1
	735	IF ( dim == 1 ) THEN
	736	mask_i(mid,count_l) = m
	737	ELSEIF ( dim == 2 ) THEN
	738	mask_j(mid,count_l) = m
	739	ELSEIF ( dim == 3 ) THEN
	740	mask_k(mid,count_l) = m
	741	ENDIF
	742	ENDIF
	743	IF ( count == mask_xyz_dimension ) EXIT
	744	ENDDO
	745	mask_size(mid,dim) = count
	746	mask_size_l(mid,dim) = count_l
	747
	748	ELSE
	749	!
	750	!-- use predefined mask_loop_* array, or use the default (all grid points
	751	!-- along this direction)
[1353]	752	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	753	tmp1 = mask_loop(mid,dim,1)
[1186]	754	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	755	ENDIF
	756	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	757	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	758	tmp2 = mask_loop(mid,dim,2)
[3512]	759	mask_loop(mid,dim,2) = nxyz*dxyz / mask_scale(dim) ! (default)
[298]	760	ENDIF
	761	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	762	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	763	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	764	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	765	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	766	mask_loop(mid,dim,2),' exceed (', &
	767	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	768	(nxyz+1)*dxyz/mask_scale(dim)
[564]	769	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	770	ENDIF
[3045]	771	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	772	* ddxyz - 0.5_wp )
[3045]	773	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	774	* ddxyz - 0.5_wp )
[3045]	775	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	776	* ddxyz )
[1414]	777	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	778	ELSEIF ( dim == 3 ) THEN
[1353]	779	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	780	tmp2 = mask_loop(mid,dim,2)
[1414]	781	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	782	ENDIF
	783	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	784	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	785	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	786	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	787	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	788	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	789	')=',zu(nz+1)/mask_scale(dim)
[564]	790	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	791	ENDIF
[303]	792	ind_array = &
[595]	793	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	794	loop_begin = &
[303]	795	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	796	ind_array = &
[595]	797	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	798	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	799	!
[303]	800	!-- The following line assumes a constant vertical grid spacing within
	801	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	802	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	803	!-- within the IF statement is necessary because the default value of
	804	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	805	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	806
[3065]	807	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	808	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	809	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	810	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	811	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	812	'.&Vertical mask locations will not ', &
[3045]	813	'match the desired heights within the stretching ', &
[2271]	814	'region.'
[564]	815	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	816	ENDIF
	817
[298]	818	ENDIF
	819	!
	820	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	821	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	822	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	823	!
	824	!-- The default stride +/-1 (every grid point) applies if
	825	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	826	IF ( loop_stride == 0 ) THEN
	827	IF ( loop_end >= loop_begin ) THEN
	828	loop_stride = 1
	829	ELSE
	830	loop_stride = -1
	831	ENDIF
	832	ENDIF
	833	DO m = loop_begin, loop_end, loop_stride
	834	count = count + 1
[1414]	835	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	836	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	837	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	838	count_l = count_l + 1
	839	IF ( dim == 1 ) THEN
	840	mask_i(mid,count_l) = m
	841	ELSEIF ( dim == 2 ) THEN
	842	mask_j(mid,count_l) = m
	843	ELSEIF ( dim == 3 ) THEN
	844	mask_k(mid,count_l) = m
	845	ENDIF
	846	ENDIF
	847	ENDDO
	848	mask_size(mid,dim) = count
	849	mask_size_l(mid,dim) = count_l
[1414]	850
[298]	851	ENDIF
	852
	853	END SUBROUTINE set_mask_locations
	854
	855	END SUBROUTINE init_masks

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