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source: palm/trunk/SOURCE/init_masks.f90 @ 3274

Last change on this file since 3274 was 3274, checked in by knoop, 6 years ago
Modularization of all bulk cloud physics code components
Property svn:keywords set to `Id`
File size: 31.6 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 3274 2018-09-24 15:42:55Z knoop $
[3274]	27	! Modularization of all bulk cloud physics code components
	28	!
	29	! 3065 2018-06-12 07:03:02Z Giersch
[3065]	30	! dz_stretch_level was replaced by dz_stretch_level_start
	31	!
	32	! 3049 2018-05-29 13:52:36Z Giersch
[3045]	33	! Error messages revised
	34	!
[3049]	35	! 3045 2018-05-28 07:55:41Z Giersch
	36	! Error messages revised
	37	!
[3045]	38	! 2718 2018-01-02 08:49:38Z maronga
[2716]	39	! Corrected "Former revisions" section
	40	!
	41	! 2696 2017-12-14 17:12:51Z kanani
	42	! Change in file header (GPL part)
	43	!
	44	! 2344 2017-08-09 11:00:34Z raasch
[2344]	45	! explicit setting of initial values for array domask required due to a bug
	46	! in the Cray compiler (appears only if option -eD is used)
	47	!
	48	! 2301 2017-06-29 16:41:21Z gronemeier
[2301]	49	! Bugfix: set variable name length to global value
	50	!
	51	!
[2292]	52	! Implementation of new microphysic scheme: cloud_scheme = 'morrison'
	53	! includes two more prognostic equations for cloud drop concentration (nc)
	54	! and cloud water content (qc).
	55	!
	56	! 2271 2017-06-09 12:34:55Z sward
[2271]	57	! Changed error message
	58	!
	59	! 2101 2017-01-05 16:42:31Z suehring
[1321]	60	!
[2032]	61	! 2031 2016-10-21 15:11:58Z knoop
	62	! renamed variable rho to rho_ocean
	63	!
[2001]	64	! 2000 2016-08-20 18:09:15Z knoop
	65	! Forced header and separation lines into 80 columns
	66	!
[1823]	67	! 1822 2016-04-07 07:49:42Z hoffmann
	68	! icloud_scheme replaced by microphysics_*
	69	!
[1805]	70	! 1804 2016-04-05 16:30:18Z maronga
	71	! Removed code for parameter file check (__check)
	72	!
[1784]	73	! 1783 2016-03-06 18:36:17Z raasch
	74	! netcdf module name changed + related changes
	75	!
[1683]	76	! 1682 2015-10-07 23:56:08Z knoop
	77	! Code annotations made doxygen readable
	78	!
[1439]	79	! 1438 2014-07-22 14:14:06Z heinze
	80	! +nr, qc, qr
	81	!
[1415]	82	! 1414 2014-05-31 11:19:48Z gronemeier
	83	! Bugfix: first and last grid points as they appear in 3D volume data can now
	84	! be included to masked data output
	85	!
[1354]	86	! 1353 2014-04-08 15:21:23Z heinze
	87	! REAL constants provided with KIND-attribute
	88	!
[1325]	89	! 1324 2014-03-21 09:13:16Z suehring
	90	! Bugfix: ONLY statement for module netcdf_control removed
	91	!
[1321]	92	! 1320 2014-03-20 08:40:49Z raasch
[1320]	93	! ONLY-attribute added to USE-statements,
	94	! kind-parameters added to all INTEGER and REAL declaration statements,
	95	! kinds are defined in new module kinds,
	96	! revision history before 2012 removed,
	97	! comment fields (!:) to be used for variable explanations added to
	98	! all variable declaration statements
[298]	99	!
[1187]	100	! 1186 2013-06-18 06:22:52Z raasch
	101	! bugfix: 0.0 replaced by zu(nzb) as the lowest default height level for masks,
	102	! because a zero value does not work in case of ocean runs
	103	!
[1037]	104	! 1036 2012-10-22 13:43:42Z raasch
	105	! code put under GPL (PALM 3.9)
	106	!
[1033]	107	! 1032 2012-10-21 13:03:21Z letzel
	108	! mask locations determined based on scalar positions
	109	!
[1035]	110	! 1031 2012-10-19 14:35:30Z raasch
	111	! netCDF4 without parallel file support implemented
	112	!
[997]	113	! 996 2012-09-07 10:41:47Z raasch
	114	! little reformatting
	115	!
[979]	116	! 978 2012-08-09 08:28:32Z fricke
	117	! +z0h*
	118	!
[810]	119	! 809 2012-01-30 13:32:58Z maronga
	120	! Bugfix: replaced .AND. and .NOT. with && and ! in the preprocessor directives
	121	!
[808]	122	! 807 2012-01-25 11:53:51Z maronga
	123	! New cpp directive "__check" implemented which is used by check_namelist_files
	124	!
[449]	125	! 410 2009-12-04 17:05:40Z letzel
	126	! Initial revision
[298]	127	!
[449]	128	!
[298]	129	! Description:
	130	! ------------
[1682]	131	!> Initialize masked data output
[298]	132	!------------------------------------------------------------------------------!
[1682]	133	SUBROUTINE init_masks
[298]	134
[1320]	135	USE arrays_3d, &
	136	ONLY: zu, zw
	137
	138	USE control_parameters, &
[3274]	139	ONLY: constant_diffusion, cloud_droplets, &
[1320]	140	data_output_masks, data_output_masks_user, &
[3065]	141	doav, doav_n, domask, domask_no, dz, dz_stretch_level_start, &
	142	humidity, mask, masks, mask_scale, mask_i, &
[1320]	143	mask_i_global, mask_j, mask_j_global, mask_k, mask_k_global, &
	144	mask_loop, mask_size, mask_size_l, mask_start_l, mask_x, &
	145	mask_x_loop, mask_xyz_dimension, mask_y, mask_y_loop, mask_z, &
	146	mask_z_loop, max_masks, message_string, mid, &
[3274]	147	passive_scalar, ocean, varnamelength
[1320]	148
[3274]	149
[1320]	150	USE grid_variables, &
	151	ONLY: dx, dy
	152
	153	USE indices, &
	154	ONLY: nx, nxl, nxr, ny, nyn, nys, nz, nzb, nzt
	155
	156	USE kinds
	157
[3274]	158	USE bulk_cloud_model_mod, &
	159	ONLY: bulk_cloud_model, microphysics_morrison, microphysics_seifert
	160
[1783]	161	USE netcdf_interface, &
	162	ONLY: domask_unit, netcdf_data_format
[1320]	163
	164	USE particle_attributes, &
	165	ONLY: particle_advection
	166
[298]	167	USE pegrid
	168
	169	IMPLICIT NONE
	170
[2301]	171	CHARACTER (LEN=varnamelength) :: var !<
[1682]	172	CHARACTER (LEN=7) :: unit !<
[1320]	173
[2301]	174	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask !<
	175	CHARACTER (LEN=varnamelength), DIMENSION(max_masks,100) :: do_mask_user !<
[298]	176
[1682]	177	INTEGER(iwp) :: i !<
	178	INTEGER(iwp) :: ilen !<
	179	INTEGER(iwp) :: ind(6) !<
	180	INTEGER(iwp) :: ind_array(1) !<
	181	INTEGER(iwp) :: j !<
	182	INTEGER(iwp) :: k !<
	183	INTEGER(iwp) :: n !<
	184	INTEGER(iwp) :: sender !<
[1320]	185
[1682]	186	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: tmp_array !<
[298]	187
[1682]	188	LOGICAL :: found !<
[2344]	189
[298]	190	!
[2344]	191	!-- Initial values are explicitly set here due to a bug in the Cray compiler
	192	!-- in case of assignments of initial values in declaration statements for
	193	!-- arrays with more than 9999 elements (appears with -eD only)
	194	domask = ' '
	195
	196	!
[298]	197	!-- Allocation and initialization
[1414]	198	ALLOCATE( tmp_array( MAX(nx,ny,nz)+2 ) )
[298]	199
[1414]	200	ALLOCATE( mask_i(max_masks,nxr-nxl+2), &
	201	mask_j(max_masks,nyn-nys+2), &
	202	mask_k(max_masks,nzt-nzb+2) )
[298]	203	!
	204	!-- internal mask arrays ("mask,dimension,selection")
	205	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	206	mask_loop(max_masks,3,3) )
[493]	207
[298]	208	!
[3045]	209	!-- Parallel mask output not yet supported. In check_parameters data format
	210	!-- is restricted and is switched back to non-parallel output. Therefore the
	211	!-- following error can not occur at the moment.
[1031]	212	IF ( netcdf_data_format > 4 ) THEN
[3045]	213	message_string = 'netCDF file formats '// &
	214	'5 and 6 (with parallel I/O support)'// &
	215	' are currently not supported.'
[564]	216	CALL message( 'init_masks', 'PA0328', 1, 2, 0, 6, 0 )
[298]	217	ENDIF
[553]	218
[298]	219	!
	220	!-- Store data output parameters for masked data output in few shared arrays
[996]	221	DO mid = 1, masks
[564]	222
[553]	223	do_mask (mid,:) = data_output_masks(mid,:)
	224	do_mask_user(mid,:) = data_output_masks_user(mid,:)
	225	mask (mid,1,:) = mask_x(mid,:)
	226	mask (mid,2,:) = mask_y(mid,:)
	227	mask (mid,3,:) = mask_z(mid,:)
[564]	228
[1353]	229	IF ( mask_x_loop(mid,1) == -1.0_wp .AND. mask_x_loop(mid,2) == -1.0_wp&
	230	.AND. mask_x_loop(mid,3) == -1.0_wp ) THEN
	231	mask_loop(mid,1,1:2) = -1.0_wp
	232	mask_loop(mid,1,3) = 0.0_wp
[564]	233	ELSE
	234	mask_loop(mid,1,:) = mask_x_loop(mid,:)
	235	ENDIF
[1353]	236	IF ( mask_y_loop(mid,1) == -1.0_wp .AND. mask_y_loop(mid,2) == -1.0_wp&
	237	.AND. mask_y_loop(mid,3) == -1.0_wp ) THEN
	238	mask_loop(mid,2,1:2) = -1.0_wp
	239	mask_loop(mid,2,3) = 0.0_wp
[564]	240	ELSE
	241	mask_loop(mid,2,:) = mask_y_loop(mid,:)
	242	ENDIF
[1353]	243	IF ( mask_z_loop(mid,1) == -1.0_wp .AND. mask_z_loop(mid,2) == -1.0_wp&
	244	.AND. mask_z_loop(mid,3) == -1.0_wp ) THEN
	245	mask_loop(mid,3,1:2) = -1.0_wp
	246	mask_loop(mid,3,3) = 0.0_wp
[564]	247	ELSE
	248	mask_loop(mid,3,:) = mask_z_loop(mid,:)
	249	ENDIF
	250
[553]	251	ENDDO
	252
[298]	253	mask_i = -1; mask_j = -1; mask_k = -1
[553]	254
[298]	255	!
	256	!-- Global arrays are required by define_netcdf_header.
[1031]	257	IF ( myid == 0 .OR. netcdf_data_format > 4 ) THEN
[1414]	258	ALLOCATE( mask_i_global(max_masks,nx+2), &
	259	mask_j_global(max_masks,ny+2), &
	260	mask_k_global(max_masks,nz+2) )
[298]	261	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	262	ENDIF
	263
	264	!
	265	!-- Determine variable names for each mask
	266	DO mid = 1, masks
	267	!
	268	!-- Append user-defined data output variables to the standard data output
	269	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	270	i = 1
	271	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	272	i = i + 1
	273	ENDDO
	274	j = 1
	275	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	276	IF ( i > 100 ) THEN
[3045]	277	WRITE ( message_string, * ) 'number of output quantitities ', &
	278	'given by data_output_mask and data_output_mask_user ', &
[298]	279	'exceeds the limit of 100'
[564]	280	CALL message( 'init_masks', 'PA0329', 1, 2, 0, 6, 0 )
[298]	281	ENDIF
	282	do_mask(mid,i) = do_mask_user(mid,j)
	283	i = i + 1
	284	j = j + 1
	285	ENDDO
	286	ENDIF
	287
	288	!
	289	!-- Check and set steering parameters for mask data output and averaging
	290	i = 1
[996]	291	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
[298]	292	!
	293	!-- Check for data averaging
	294	ilen = LEN_TRIM( do_mask(mid,i) )
	295	j = 0 ! no data averaging
	296	IF ( ilen > 3 ) THEN
	297	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	298	j = 1 ! data averaging
	299	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	300	ENDIF
	301	ENDIF
	302	var = TRIM( do_mask(mid,i) )
	303	!
	304	!-- Check for allowed value and set units
	305	SELECT CASE ( TRIM( var ) )
	306
	307	CASE ( 'e' )
	308	IF ( constant_diffusion ) THEN
[3045]	309	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	310	'" requires constant_diffusion = .FALSE.'
[564]	311	CALL message( 'init_masks', 'PA0103', 1, 2, 0, 6, 0 )
[298]	312	ENDIF
	313	unit = 'm2/s2'
	314
[771]	315	CASE ( 'lpt' )
[3274]	316	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	317	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	318	'" requires bulk_cloud_model = .TRUE.'
[773]	319	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[771]	320	ENDIF
	321	unit = 'K'
	322
[2292]	323	CASE ( 'nc' )
[3274]	324	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	325	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	326	'" requires bulk_cloud_model = .TRUE.'
[2292]	327	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
	328	ELSEIF ( .NOT. microphysics_morrison ) THEN
[3045]	329	message_string = 'output of "' // TRIM( var ) // '" ' // &
	330	'requires = morrison'
[2292]	331	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	332	ENDIF
	333	unit = '1/m3'
	334
[1438]	335	CASE ( 'nr' )
[3274]	336	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	337	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	338	'" requires bulk_cloud_model = .TRUE.'
[1438]	339	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	340	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	341	message_string = 'output of "' // TRIM( var ) // '"' // &
	342	'requires cloud_scheme = seifert_beheng'
[1438]	343	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	344	ENDIF
	345	unit = '1/m3'
	346
[298]	347	CASE ( 'pc', 'pr' )
	348	IF ( .NOT. particle_advection ) THEN
[3045]	349	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	350	'" requires a "particles_par"-NAMELIST in the ', &
[298]	351	'parameter file (PARIN)'
[564]	352	CALL message( 'init_masks', 'PA0104', 1, 2, 0, 6, 0 )
[298]	353	ENDIF
	354	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	355	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	356
	357	CASE ( 'q', 'vpt' )
	358	IF ( .NOT. humidity ) THEN
[3045]	359	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	360	'" requires humidity = .TRUE.'
[564]	361	CALL message( 'init_masks', 'PA0105', 1, 2, 0, 6, 0 )
[298]	362	ENDIF
	363	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	364	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	365
[1438]	366	CASE ( 'qc' )
[3274]	367	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	368	message_string = 'output of "' // TRIM( var ) // '"' // &
[3274]	369	'requires bulk_cloud_model = .TRUE.'
[1438]	370	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
	371	ENDIF
	372	unit = 'kg/kg'
	373
[298]	374	CASE ( 'ql' )
[3274]	375	IF ( .NOT. ( bulk_cloud_model .OR. cloud_droplets ) ) THEN
[3045]	376	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	377	'" requires bulk_cloud_model = .TRUE. or ', &
	378	'cloud_droplets = .TRUE.'
[3045]	379	CALL message( 'init_masks', 'PA0106', 1, 2, 0, 6, 0 )
[298]	380	ENDIF
	381	unit = 'kg/kg'
	382
	383	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	384	IF ( .NOT. cloud_droplets ) THEN
[3045]	385	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	386	'" requires cloud_droplets = .TRUE.'
[564]	387	CALL message( 'init_masks', 'PA0107', 1, 2, 0, 6, 0 )
[298]	388	ENDIF
	389	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	390	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	391	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	392
	393	CASE ( 'qv' )
[3274]	394	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	395	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[3274]	396	'" requires bulk_cloud_model = .TRUE.'
[564]	397	CALL message( 'init_masks', 'PA0108', 1, 2, 0, 6, 0 )
[298]	398	ENDIF
	399	unit = 'kg/kg'
	400
[1438]	401	CASE ( 'qr' )
[3274]	402	IF ( .NOT. bulk_cloud_model ) THEN
[3045]	403	message_string = 'output of "' // TRIM( var ) // '" ' // &
[3274]	404	'requires bulk_cloud_model = .TRUE.'
[1438]	405	CALL message( 'check_parameters', 'PA0108', 1, 2, 0, 6, 0 )
[1822]	406	ELSEIF ( .NOT. microphysics_seifert ) THEN
[3045]	407	message_string = 'output of "' // TRIM( var ) // '" ' // &
	408	'requires cloud_scheme = seifert_beheng'
[1438]	409	CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 )
	410	ENDIF
	411	unit = 'kg/kg'
	412
[2031]	413	CASE ( 'rho_ocean' )
[298]	414	IF ( .NOT. ocean ) THEN
[3045]	415	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	416	'" requires ocean = .TRUE.'
[564]	417	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	418	ENDIF
	419	unit = 'kg/m3'
	420
	421	CASE ( 's' )
	422	IF ( .NOT. passive_scalar ) THEN
[3045]	423	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	424	'" requires passive_scalar = .TRUE.'
[564]	425	CALL message( 'init_masks', 'PA0110', 1, 2, 0, 6, 0 )
[298]	426	ENDIF
	427	unit = 'conc'
	428
	429	CASE ( 'sa' )
	430	IF ( .NOT. ocean ) THEN
[3045]	431	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
[298]	432	'" requires ocean = .TRUE.'
[564]	433	CALL message( 'init_masks', 'PA0109', 1, 2, 0, 6, 0 )
[298]	434	ENDIF
	435	unit = 'psu'
	436
[978]	437	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0', 'z0h*' )
[3045]	438	WRITE ( message_string, * ) 'illegal value for data_', &
	439	'output: "', TRIM( var ), '" is only allowed', &
[298]	440	'for horizontal cross section'
[564]	441	CALL message( 'init_masks', 'PA0111', 1, 2, 0, 6, 0 )
[298]	442
	443	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	444	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	445	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	446	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	447	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	448	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	449	CONTINUE
	450
	451	CASE DEFAULT
	452	CALL user_check_data_output( var, unit )
	453
	454	IF ( unit == 'illegal' ) THEN
	455	IF ( do_mask_user(mid,1) /= ' ' ) THEN
[3045]	456	WRITE ( message_string, * ) 'illegal value for data_', &
	457	'output_masks or data_output_masks_user: "', &
[298]	458	TRIM( do_mask(mid,i) ), '"'
[3045]	459	CALL message( 'init_masks', 'PA0018', 1, 2, 0, 6, 0 )
[298]	460	ELSE
[3045]	461	WRITE ( message_string, * ) 'illegal value for data_', &
	462	' output_masks : "', TRIM( do_mask(mid,i) ), '"'
[564]	463	CALL message( 'init_masks', 'PA0330', 1, 2, 0, 6, 0 )
[298]	464	ENDIF
	465	ENDIF
	466
	467	END SELECT
	468	!
	469	!-- Set the internal steering parameters appropriately
	470	domask_no(mid,j) = domask_no(mid,j) + 1
	471	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	472	domask_unit(mid,j,domask_no(mid,j)) = unit
	473
	474	IF ( j == 1 ) THEN
	475	!
	476	!-- Check, if variable is already subject to averaging
	477	found = .FALSE.
	478	DO k = 1, doav_n
	479	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	480	ENDDO
	481
	482	IF ( .NOT. found ) THEN
	483	doav_n = doav_n + 1
	484	doav(doav_n) = var
	485	ENDIF
	486	ENDIF
	487
	488	i = i + 1
	489
	490	ENDDO ! do_mask(mid,i)
	491	ENDDO ! mid
	492
	493
	494	!
	495	!-- Determine mask locations for each mask
	496	DO mid = 1, masks
	497	!
	498	!-- Set local masks for each subdomain along all three dimensions
	499	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	500	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
[3065]	501	CALL set_mask_locations( 3, dz(1), 'dz', nz, 'nz', nzb, nzt )
[298]	502	!
	503	!-- Set global masks along all three dimensions (required by
	504	!-- define_netcdf_header).
[1804]	505	#if defined( __parallel )
[298]	506	!
	507	!-- PE0 receives partial arrays from all processors of the respective mask
	508	!-- and outputs them. Here a barrier has to be set, because otherwise
	509	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
[807]	510
[298]	511	CALL MPI_BARRIER( comm2d, ierr )
	512
	513	IF ( myid == 0 ) THEN
	514	!
	515	!-- Local arrays can be relocated directly.
	516	mask_i_global(mid,mask_start_l(mid,1): &
	517	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	518	mask_i(mid,:mask_size_l(mid,1))
	519	mask_j_global(mid,mask_start_l(mid,2): &
	520	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	521	mask_j(mid,:mask_size_l(mid,2))
	522	mask_k_global(mid,mask_start_l(mid,3): &
	523	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	524	mask_k(mid,:mask_size_l(mid,3))
	525	!
	526	!-- Receive data from all other PEs.
	527	DO n = 1, numprocs-1
	528	!
	529	!-- Receive index limits first, then arrays.
	530	!-- Index limits are received in arbitrary order from the PEs.
	531	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	532	comm2d, status, ierr )
	533	!
	534	!-- Not all PEs have data for the mask.
	535	IF ( ind(1) /= -9999 ) THEN
	536	sender = status(MPI_SOURCE)
	537	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	538	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	539	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	540	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	541	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	542	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	543	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	544	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	545	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	546	ENDIF
	547	ENDDO
	548
	549	ELSE
	550	!
	551	!-- If at least part of the mask resides on the PE, send the index limits
	552	!-- for the target array, otherwise send -9999 to PE0.
[996]	553	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	554	mask_size_l(mid,3) > 0 ) THEN
[298]	555	ind(1) = mask_start_l(mid,1)
	556	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	557	ind(3) = mask_start_l(mid,2)
	558	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	559	ind(5) = mask_start_l(mid,3)
	560	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	561	ELSE
	562	ind(1) = -9999; ind(2) = -9999
	563	ind(3) = -9999; ind(4) = -9999
	564	ind(5) = -9999; ind(6) = -9999
	565	ENDIF
	566	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	567	!
	568	!-- If applicable, send data to PE0.
	569	IF ( ind(1) /= -9999 ) THEN
	570	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	571	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	572	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	573	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	574	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	575	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	576	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	577	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	578	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	579	ENDIF
	580	ENDIF
	581	!
	582	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	583	!-- so that PE0 may receive wrong data on tag 0.
	584	CALL MPI_BARRIER( comm2d, ierr )
[409]	585
[1031]	586	IF ( netcdf_data_format > 4 ) THEN
[409]	587
[1414]	588	CALL MPI_BCAST( mask_i_global(mid,:), nx+2, MPI_INTEGER, 0, comm2d, &
[493]	589	ierr )
[1414]	590	CALL MPI_BCAST( mask_j_global(mid,:), ny+2, MPI_INTEGER, 0, comm2d, &
[493]	591	ierr )
[1414]	592	CALL MPI_BCAST( mask_k_global(mid,:), nz+2, MPI_INTEGER, 0, comm2d, &
[493]	593	ierr )
[1682]	594
[409]	595	ENDIF
[298]	596
[1804]	597	#else
[298]	598	!
	599	!-- Local arrays can be relocated directly.
	600	mask_i_global(mid,:) = mask_i(mid,:)
	601	mask_j_global(mid,:) = mask_j(mid,:)
	602	mask_k_global(mid,:) = mask_k(mid,:)
	603	#endif
	604	ENDDO ! mid
	605
	606	DEALLOCATE( tmp_array )
	607	!
	608	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	609	!-- required for header output on PE 0.
	610	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	611
	612	CONTAINS
[493]	613
[298]	614	!------------------------------------------------------------------------------!
	615	! Description:
	616	! ------------
[1682]	617	!> Set local mask for each subdomain along 'dim' direction.
[298]	618	!------------------------------------------------------------------------------!
[1682]	619	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	620	lb, ub )
[298]	621
	622	IMPLICIT NONE
	623
[1682]	624	CHARACTER (LEN=2) :: dxyz_string !<
	625	CHARACTER (LEN=2) :: nxyz_string !<
[1320]	626
[1682]	627	INTEGER(iwp) :: count !<
	628	INTEGER(iwp) :: count_l !<
	629	INTEGER(iwp) :: dim !<
	630	INTEGER(iwp) :: m !<
	631	INTEGER(iwp) :: loop_begin !<
	632	INTEGER(iwp) :: loop_end !<
	633	INTEGER(iwp) :: loop_stride !<
	634	INTEGER(iwp) :: lb !<
	635	INTEGER(iwp) :: nxyz !<
	636	INTEGER(iwp) :: ub !<
[1320]	637
[1682]	638	REAL(wp) :: dxyz !<
	639	REAL(wp) :: ddxyz !<
	640	REAL(wp) :: tmp1 !<
	641	REAL(wp) :: tmp2 !<
[298]	642
[1353]	643	count = 0; count_l = 0
	644	ddxyz = 1.0_wp / dxyz
	645	tmp1 = 0.0_wp
	646	tmp2 = 0.0_wp
[298]	647
[1353]	648	IF ( mask(mid,dim,1) >= 0.0_wp ) THEN
[298]	649	!
	650	!-- use predefined mask_* array
[1353]	651	DO WHILE ( mask(mid,dim,count+1) >= 0.0_wp )
[298]	652	count = count + 1
	653	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	654	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz - 0.5_wp )
[1414]	655	IF ( m < 0 ) m = 0 ! avoid negative values
[298]	656	ELSEIF ( dim == 3 ) THEN
	657	ind_array = &
[595]	658	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zu ) )
[298]	659	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	660	ENDIF
[1414]	661	IF ( m > (nxyz+1) ) THEN
[3045]	662	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	663	m,' in mask ',mid,' along dimension ',dim, &
[1414]	664	' exceeds (',nxyz_string,'+1) = ',nxyz+1
[564]	665	CALL message( 'init_masks', 'PA0331', 1, 2, 0, 6, 0 )
[298]	666	ENDIF
[1414]	667	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	668	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	669	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	670	count_l = count_l + 1
	671	IF ( dim == 1 ) THEN
	672	mask_i(mid,count_l) = m
	673	ELSEIF ( dim == 2 ) THEN
	674	mask_j(mid,count_l) = m
	675	ELSEIF ( dim == 3 ) THEN
	676	mask_k(mid,count_l) = m
	677	ENDIF
	678	ENDIF
	679	IF ( count == mask_xyz_dimension ) EXIT
	680	ENDDO
	681	mask_size(mid,dim) = count
	682	mask_size_l(mid,dim) = count_l
	683
	684	ELSE
	685	!
	686	!-- use predefined mask_loop_* array, or use the default (all grid points
	687	!-- along this direction)
[1353]	688	IF ( mask_loop(mid,dim,1) < 0.0_wp ) THEN
[298]	689	tmp1 = mask_loop(mid,dim,1)
[1186]	690	mask_loop(mid,dim,1) = zw(nzb) ! lowest level (default)
[298]	691	ENDIF
	692	IF ( dim == 1 .OR. dim == 2 ) THEN
[1353]	693	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	694	tmp2 = mask_loop(mid,dim,2)
[1414]	695	mask_loop(mid,dim,2) = (nxyz+1)*dxyz / mask_scale(dim) ! (default)
[298]	696	ENDIF
	697	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	698	> (nxyz+1) * dxyz / mask_scale(dim) ) THEN
[303]	699	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
[3045]	700	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	701	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	702	mask_loop(mid,dim,2),' exceed (', &
	703	nxyz_string,'+1)*',dxyz_string,'/mask_scale(',dim,')=', &
[1414]	704	(nxyz+1)*dxyz/mask_scale(dim)
[564]	705	CALL message( 'init_masks', 'PA0332', 1, 2, 0, 6, 0 )
[298]	706	ENDIF
[3045]	707	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) &
[1353]	708	* ddxyz - 0.5_wp )
[3045]	709	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) &
[1353]	710	* ddxyz - 0.5_wp )
[3045]	711	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) &
[1032]	712	* ddxyz )
[1414]	713	IF ( loop_begin == -1 ) loop_begin = 0 ! avoid negative values
[298]	714	ELSEIF ( dim == 3 ) THEN
[1353]	715	IF ( mask_loop(mid,dim,2) < 0.0_wp ) THEN
[298]	716	tmp2 = mask_loop(mid,dim,2)
[1414]	717	mask_loop(mid,dim,2) = zu(nz+1) / mask_scale(dim) ! (default)
[298]	718	ENDIF
	719	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[1414]	720	> zu(nz+1) / mask_scale(dim) ) THEN
[3045]	721	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	722	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
[303]	723	' and/or mask_loop(',mid,',',dim,',2)=', &
[3045]	724	mask_loop(mid,dim,2),' exceed zu(nz+1)/mask_scale(',dim, &
[1414]	725	')=',zu(nz+1)/mask_scale(dim)
[564]	726	CALL message( 'init_masks', 'PA0333', 1, 2, 0, 6, 0 )
[298]	727	ENDIF
[303]	728	ind_array = &
[595]	729	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zu ) )
[298]	730	loop_begin = &
[303]	731	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	732	ind_array = &
[595]	733	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zu ) )
[298]	734	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	735	!
[303]	736	!-- The following line assumes a constant vertical grid spacing within
	737	!-- the vertical mask range; it fails for vertical grid stretching.
[3065]	738	!-- Maybe revise later. Issue warning but continue execution. ABS(...)
	739	!-- within the IF statement is necessary because the default value of
	740	!-- dz_stretch_level_start is -9999999.9_wp.
[303]	741	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	742
[3065]	743	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > &
	744	ABS( dz_stretch_level_start(1) ) ) THEN
[3045]	745	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	746	'mask_loop(',mid,',',dim,',2)=', mask_loop(mid,dim,2), &
[3065]	747	' exceeds dz_stretch_level=',dz_stretch_level_start(1), &
[3046]	748	'.&Vertical mask locations will not ', &
[3045]	749	'match the desired heights within the stretching ', &
[2271]	750	'region.'
[564]	751	CALL message( 'init_masks', 'PA0334', 0, 1, 0, 6, 0 )
[303]	752	ENDIF
	753
[298]	754	ENDIF
	755	!
	756	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
[1353]	757	IF ( tmp1 < 0.0_wp ) mask_loop(mid,dim,1) = tmp1
	758	IF ( tmp2 < 0.0_wp ) mask_loop(mid,dim,2) = tmp2
[298]	759	!
	760	!-- The default stride +/-1 (every grid point) applies if
	761	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	762	IF ( loop_stride == 0 ) THEN
	763	IF ( loop_end >= loop_begin ) THEN
	764	loop_stride = 1
	765	ELSE
	766	loop_stride = -1
	767	ENDIF
	768	ENDIF
	769	DO m = loop_begin, loop_end, loop_stride
	770	count = count + 1
[1414]	771	IF ( ( m >= lb .AND. m <= ub ) .OR. &
	772	( m == (nxyz+1) .AND. ub == nxyz ) ) THEN
[298]	773	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	774	count_l = count_l + 1
	775	IF ( dim == 1 ) THEN
	776	mask_i(mid,count_l) = m
	777	ELSEIF ( dim == 2 ) THEN
	778	mask_j(mid,count_l) = m
	779	ELSEIF ( dim == 3 ) THEN
	780	mask_k(mid,count_l) = m
	781	ENDIF
	782	ENDIF
	783	ENDDO
	784	mask_size(mid,dim) = count
	785	mask_size_l(mid,dim) = count_l
[1414]	786
[298]	787	ENDIF
	788
	789	END SUBROUTINE set_mask_locations
	790
	791	END SUBROUTINE init_masks

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