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source: palm/trunk/SOURCE/init_masks.f90 @ 540

Last change on this file since 540 was 494, checked in by raasch, 15 years ago
last commit documented; configuration example file for netcdf4 added
Property svn:keywords set to `Id`
File size: 28.1 KB

Rev	Line
[298]	1	SUBROUTINE init_masks
	2
	3	!------------------------------------------------------------------------------!
[484]	4	! Current revisions:
[298]	5	! -----------------
	6	!
	7	!
	8	! Former revisions:
	9	! -----------------
	10	! $Id: init_masks.f90 494 2010-03-01 12:23:32Z heinze $
	11	!
[494]	12	! 493 2010-03-01 08:30:24Z raasch
	13	! netcdf_format_mask* and format_parallel_io replaced by netcdf_data_format
	14	!
[449]	15	! 410 2009-12-04 17:05:40Z letzel
	16	! Initial revision
[298]	17	!
[449]	18	!
[298]	19	! Description:
	20	! ------------
	21	! Initialize masked data output
	22	!------------------------------------------------------------------------------!
	23
	24	USE arrays_3d
	25	USE control_parameters
	26	USE grid_variables
	27	USE indices
	28	USE netcdf_control
	29	USE particle_attributes
	30	USE pegrid
	31
	32	IMPLICIT NONE
	33
	34	CHARACTER (LEN=6) :: var
	35	CHARACTER (LEN=7) :: unit
	36	CHARACTER (LEN=10), DIMENSION(max_masks,100) :: do_mask, do_mask_user
	37
	38	INTEGER :: i, ilen, ind(6), ind_array(1), j, k, n, sender
	39	INTEGER, DIMENSION(:), ALLOCATABLE :: tmp_array
	40
	41	LOGICAL :: found
	42	!
	43	!-- Allocation and initialization
	44	ALLOCATE( tmp_array( MAX(nx,ny,nz)+1 ) )
	45
	46	ALLOCATE( mask_i(max_masks,nxr-nxl+1), &
	47	mask_j(max_masks,nyn-nys+1), &
	48	mask_k(max_masks,nzt-nzb+1) )
	49	!
	50	!-- internal mask arrays ("mask,dimension,selection")
	51	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	52	mask_loop(max_masks,3,3) )
[493]	53
[298]	54	!
[493]	55	!-- Parallel mask output not yet tested
	56	IF ( netcdf_data_format > 2 ) THEN
	57	message_string = 'NetCDF file formats '// &
	58	'3 (NetCDF 4) and 4 (NetCDF 4 Classic model)'// &
	59	'&are currently not supported (not yet tested).'
[298]	60	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	61	ENDIF
	62	!
	63	!-- Store data output parameters for masked data output in few shared arrays
	64	do_mask( 1,:) = data_output_mask_01; do_mask( 2,:) = data_output_mask_02
	65	do_mask( 3,:) = data_output_mask_03; do_mask( 4,:) = data_output_mask_04
	66	do_mask( 5,:) = data_output_mask_05; do_mask( 6,:) = data_output_mask_06
	67	do_mask( 7,:) = data_output_mask_07; do_mask( 8,:) = data_output_mask_08
	68	do_mask( 9,:) = data_output_mask_09; do_mask(10,:) = data_output_mask_10
	69	do_mask(11,:) = data_output_mask_11; do_mask(12,:) = data_output_mask_12
	70	do_mask(13,:) = data_output_mask_13; do_mask(14,:) = data_output_mask_14
	71	do_mask(15,:) = data_output_mask_15; do_mask(16,:) = data_output_mask_16
	72	do_mask(17,:) = data_output_mask_17; do_mask(18,:) = data_output_mask_18
	73	do_mask(19,:) = data_output_mask_19; do_mask(20,:) = data_output_mask_20
	74	do_mask_user( 1,:) = data_output_mask_user_01
	75	do_mask_user( 2,:) = data_output_mask_user_02
	76	do_mask_user( 3,:) = data_output_mask_user_03
	77	do_mask_user( 4,:) = data_output_mask_user_04
	78	do_mask_user( 5,:) = data_output_mask_user_05
	79	do_mask_user( 6,:) = data_output_mask_user_06
	80	do_mask_user( 7,:) = data_output_mask_user_07
	81	do_mask_user( 8,:) = data_output_mask_user_08
	82	do_mask_user( 9,:) = data_output_mask_user_09
	83	do_mask_user(10,:) = data_output_mask_user_10
	84	do_mask_user(11,:) = data_output_mask_user_11
	85	do_mask_user(12,:) = data_output_mask_user_12
	86	do_mask_user(13,:) = data_output_mask_user_13
	87	do_mask_user(14,:) = data_output_mask_user_14
	88	do_mask_user(15,:) = data_output_mask_user_15
	89	do_mask_user(16,:) = data_output_mask_user_16
	90	do_mask_user(17,:) = data_output_mask_user_17
	91	do_mask_user(18,:) = data_output_mask_user_18
	92	do_mask_user(19,:) = data_output_mask_user_19
	93	do_mask_user(20,:) = data_output_mask_user_20
	94	mask( 1,1,:) = mask_01_x; mask( 2,1,:) = mask_02_x
	95	mask( 3,1,:) = mask_03_x; mask( 4,1,:) = mask_04_x
	96	mask( 5,1,:) = mask_05_x; mask( 6,1,:) = mask_06_x
	97	mask( 7,1,:) = mask_07_x; mask( 8,1,:) = mask_08_x
	98	mask( 9,1,:) = mask_09_x; mask(10,1,:) = mask_10_x
	99	mask(11,1,:) = mask_11_x; mask(12,1,:) = mask_12_x
	100	mask(13,1,:) = mask_13_x; mask(14,1,:) = mask_14_x
	101	mask(15,1,:) = mask_15_x; mask(16,1,:) = mask_16_x
	102	mask(17,1,:) = mask_17_x; mask(18,1,:) = mask_18_x
	103	mask(19,1,:) = mask_19_x; mask(20,1,:) = mask_20_x
	104	mask( 1,2,:) = mask_01_y; mask( 2,2,:) = mask_02_y
	105	mask( 3,2,:) = mask_03_y; mask( 4,2,:) = mask_04_y
	106	mask( 5,2,:) = mask_05_y; mask( 6,2,:) = mask_06_y
	107	mask( 7,2,:) = mask_07_y; mask( 8,2,:) = mask_08_y
	108	mask( 9,2,:) = mask_09_y; mask(10,2,:) = mask_10_y
	109	mask(11,2,:) = mask_11_y; mask(12,2,:) = mask_12_y
	110	mask(13,2,:) = mask_13_y; mask(14,2,:) = mask_14_y
	111	mask(15,2,:) = mask_15_y; mask(16,2,:) = mask_16_y
	112	mask(17,2,:) = mask_17_y; mask(18,2,:) = mask_18_y
	113	mask(19,2,:) = mask_19_y; mask(20,2,:) = mask_20_y
	114	mask( 1,3,:) = mask_01_z; mask( 2,3,:) = mask_02_z
	115	mask( 3,3,:) = mask_03_z; mask( 4,3,:) = mask_04_z
	116	mask( 5,3,:) = mask_05_z; mask( 6,3,:) = mask_06_z
	117	mask( 7,3,:) = mask_07_z; mask( 8,3,:) = mask_08_z
	118	mask( 9,3,:) = mask_09_z; mask(10,3,:) = mask_10_z
	119	mask(11,3,:) = mask_11_z; mask(12,3,:) = mask_12_z
	120	mask(13,3,:) = mask_13_z; mask(14,3,:) = mask_14_z
	121	mask(15,3,:) = mask_15_z; mask(16,3,:) = mask_16_z
	122	mask(17,3,:) = mask_17_z; mask(18,3,:) = mask_18_z
	123	mask(19,3,:) = mask_19_z; mask(20,3,:) = mask_20_z
	124	mask_loop( 1,1,:) = mask_01_x_loop; mask_loop( 2,1,:) = mask_02_x_loop
	125	mask_loop( 3,1,:) = mask_03_x_loop; mask_loop( 4,1,:) = mask_04_x_loop
	126	mask_loop( 5,1,:) = mask_05_x_loop; mask_loop( 6,1,:) = mask_06_x_loop
	127	mask_loop( 7,1,:) = mask_07_x_loop; mask_loop( 8,1,:) = mask_08_x_loop
	128	mask_loop( 9,1,:) = mask_09_x_loop; mask_loop(10,1,:) = mask_10_x_loop
	129	mask_loop(11,1,:) = mask_11_x_loop; mask_loop(12,1,:) = mask_12_x_loop
	130	mask_loop(13,1,:) = mask_13_x_loop; mask_loop(14,1,:) = mask_14_x_loop
	131	mask_loop(15,1,:) = mask_15_x_loop; mask_loop(16,1,:) = mask_16_x_loop
	132	mask_loop(17,1,:) = mask_17_x_loop; mask_loop(18,1,:) = mask_18_x_loop
	133	mask_loop(19,1,:) = mask_19_x_loop; mask_loop(20,1,:) = mask_20_x_loop
	134	mask_loop( 1,2,:) = mask_01_y_loop; mask_loop( 2,2,:) = mask_02_y_loop
	135	mask_loop( 3,2,:) = mask_03_y_loop; mask_loop( 4,2,:) = mask_04_y_loop
	136	mask_loop( 5,2,:) = mask_05_y_loop; mask_loop( 6,2,:) = mask_06_y_loop
	137	mask_loop( 7,2,:) = mask_07_y_loop; mask_loop( 8,2,:) = mask_08_y_loop
	138	mask_loop( 9,2,:) = mask_09_y_loop; mask_loop(10,2,:) = mask_10_y_loop
	139	mask_loop(11,2,:) = mask_11_y_loop; mask_loop(12,2,:) = mask_12_y_loop
	140	mask_loop(13,2,:) = mask_13_y_loop; mask_loop(14,2,:) = mask_14_y_loop
	141	mask_loop(15,2,:) = mask_15_y_loop; mask_loop(16,2,:) = mask_16_y_loop
	142	mask_loop(17,2,:) = mask_17_y_loop; mask_loop(18,2,:) = mask_18_y_loop
	143	mask_loop(19,2,:) = mask_19_y_loop; mask_loop(20,2,:) = mask_20_y_loop
	144	mask_loop( 1,3,:) = mask_01_z_loop; mask_loop( 2,3,:) = mask_02_z_loop
	145	mask_loop( 3,3,:) = mask_03_z_loop; mask_loop( 4,3,:) = mask_04_z_loop
	146	mask_loop( 5,3,:) = mask_05_z_loop; mask_loop( 6,3,:) = mask_06_z_loop
	147	mask_loop( 7,3,:) = mask_07_z_loop; mask_loop( 8,3,:) = mask_08_z_loop
	148	mask_loop( 9,3,:) = mask_09_z_loop; mask_loop(10,3,:) = mask_10_z_loop
	149	mask_loop(11,3,:) = mask_11_z_loop; mask_loop(12,3,:) = mask_12_z_loop
	150	mask_loop(13,3,:) = mask_13_z_loop; mask_loop(14,3,:) = mask_14_z_loop
	151	mask_loop(15,3,:) = mask_15_z_loop; mask_loop(16,3,:) = mask_16_z_loop
	152	mask_loop(17,3,:) = mask_17_z_loop; mask_loop(18,3,:) = mask_18_z_loop
	153	mask_loop(19,3,:) = mask_19_z_loop; mask_loop(20,3,:) = mask_20_z_loop
	154	mask_i = -1; mask_j = -1; mask_k = -1
	155	!
	156	!-- Global arrays are required by define_netcdf_header.
[493]	157	IF ( myid == 0 .OR. netcdf_data_format > 2 ) THEN
[298]	158	ALLOCATE( mask_i_global(max_masks,nx+1), &
	159	mask_j_global(max_masks,ny+1), &
	160	mask_k_global(max_masks,nz+1) )
	161	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
	162	ENDIF
	163
	164	!
	165	!-- Determine variable names for each mask
	166	DO mid = 1, masks
	167	!
	168	!-- Append user-defined data output variables to the standard data output
	169	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	170	i = 1
	171	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	172	i = i + 1
	173	ENDDO
	174	j = 1
	175	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	176	IF ( i > 100 ) THEN
	177	WRITE ( message_string, * ) 'number of output quantitities ', &
	178	'given by data_output_mask and data_output_mask_user ', &
	179	'exceeds the limit of 100'
	180	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	181	ENDIF
	182	do_mask(mid,i) = do_mask_user(mid,j)
	183	i = i + 1
	184	j = j + 1
	185	ENDDO
	186	ENDIF
	187
	188	!
	189	!-- Check and set steering parameters for mask data output and averaging
	190	i = 1
	191	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	192	!
	193	!-- Check for data averaging
	194	ilen = LEN_TRIM( do_mask(mid,i) )
	195	j = 0 ! no data averaging
	196	IF ( ilen > 3 ) THEN
	197	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	198	j = 1 ! data averaging
	199	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	200	ENDIF
	201	ENDIF
	202	var = TRIM( do_mask(mid,i) )
	203	!
	204	!-- Check for allowed value and set units
	205	SELECT CASE ( TRIM( var ) )
	206
	207	CASE ( 'e' )
	208	IF ( constant_diffusion ) THEN
	209	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	210	'" requires constant_diffusion = .FALSE.'
	211	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	212	ENDIF
	213	unit = 'm2/s2'
	214
	215	CASE ( 'pc', 'pr' )
	216	IF ( .NOT. particle_advection ) THEN
	217	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	218	'" requires a "particles_par"-NAMELIST in the ', &
	219	'parameter file (PARIN)'
	220	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	221	ENDIF
	222	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	223	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	224
	225	CASE ( 'q', 'vpt' )
	226	IF ( .NOT. humidity ) THEN
	227	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	228	'" requires humidity = .TRUE.'
	229	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	230	ENDIF
	231	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	232	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	233
	234	CASE ( 'ql' )
	235	IF ( .NOT. ( cloud_physics .OR. cloud_droplets ) ) THEN
	236	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	237	'" requires cloud_physics = .TRUE. or cloud_droplets', &
	238	' = .TRUE.'
	239	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	240	ENDIF
	241	unit = 'kg/kg'
	242
	243	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	244	IF ( .NOT. cloud_droplets ) THEN
	245	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	246	'" requires cloud_droplets = .TRUE.'
	247	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	248	ENDIF
	249	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	250	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	251	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	252
	253	CASE ( 'qv' )
	254	IF ( .NOT. cloud_physics ) THEN
	255	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	256	'" requires cloud_physics = .TRUE.'
	257	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	258	ENDIF
	259	unit = 'kg/kg'
	260
	261	CASE ( 'rho' )
	262	IF ( .NOT. ocean ) THEN
	263	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	264	'" requires ocean = .TRUE.'
	265	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	266	ENDIF
	267	unit = 'kg/m3'
	268
	269	CASE ( 's' )
	270	IF ( .NOT. passive_scalar ) THEN
	271	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	272	'" requires passive_scalar = .TRUE.'
	273	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	274	ENDIF
	275	unit = 'conc'
	276
	277	CASE ( 'sa' )
	278	IF ( .NOT. ocean ) THEN
	279	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	280	'" requires ocean = .TRUE.'
	281	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	282	ENDIF
	283	unit = 'psu'
	284
	285	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0' )
	286	WRITE ( message_string, * ) 'illegal value for data_',&
	287	'output: "', TRIM( var ), '" is only allowed', &
	288	'for horizontal cross section'
	289	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	290	! IF ( TRIM( var ) == 'lwp*' .AND. .NOT. cloud_physics ) THEN
	291	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	292	! '" requires cloud_physics = .TRUE.'
	293	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	294	! ENDIF
	295	! IF ( TRIM( var ) == 'pra*' .AND. .NOT. precipitation ) THEN
	296	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	297	! '" requires precipitation = .TRUE.'
	298	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	299	! ENDIF
	300	! IF ( TRIM( var ) == 'pra*' .AND. j == 1 ) THEN
	301	! WRITE ( message_string, * ) 'temporal averaging of ', &
	302	! ' precipitation amount "', TRIM( var ), &
	303	! '" not possible'
	304	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	305	! ENDIF
	306	! IF ( TRIM( var ) == 'prr*' .AND. .NOT. precipitation ) THEN
	307	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	308	! '" requires precipitation = .TRUE.'
	309	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	310	! ENDIF
	311	!
	312	! IF ( TRIM( var ) == 'u*' ) unit = 'm/s'
	313	! IF ( TRIM( var ) == 't*' ) unit = 'K'
	314	! IF ( TRIM( var ) == 'lwp' ) unit = 'kg/kgm'
	315	! IF ( TRIM( var ) == 'pra*' ) unit = 'mm'
	316	! IF ( TRIM( var ) == 'prr*' ) unit = 'mm/s'
	317	! IF ( TRIM( var ) == 'z0*' ) unit = 'm'
	318
	319	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	320	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	321	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	322	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	323	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	324	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	325	CONTINUE
	326
	327	CASE DEFAULT
	328	CALL user_check_data_output( var, unit )
	329
	330	IF ( unit == 'illegal' ) THEN
	331	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	332	WRITE ( message_string, * ) 'illegal value for data_',&
	333	'output or data_output_user: "', &
	334	TRIM( do_mask(mid,i) ), '"'
	335	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	336	ELSE
	337	WRITE ( message_string, * ) 'illegal value for data_',&
	338	'output: "', TRIM( do_mask(mid,i) ), '"'
	339	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	340	ENDIF
	341	ENDIF
	342
	343	END SELECT
	344	!
	345	!-- Set the internal steering parameters appropriately
	346	domask_no(mid,j) = domask_no(mid,j) + 1
	347	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	348	domask_unit(mid,j,domask_no(mid,j)) = unit
	349
	350	IF ( j == 1 ) THEN
	351	!
	352	!-- Check, if variable is already subject to averaging
	353	found = .FALSE.
	354	DO k = 1, doav_n
	355	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	356	ENDDO
	357
	358	IF ( .NOT. found ) THEN
	359	doav_n = doav_n + 1
	360	doav(doav_n) = var
	361	ENDIF
	362	ENDIF
	363
	364	i = i + 1
	365
	366	ENDDO ! do_mask(mid,i)
	367	ENDDO ! mid
	368
	369
	370	!
	371	!-- Determine mask locations for each mask
	372	DO mid = 1, masks
	373	!
	374	!-- Set local masks for each subdomain along all three dimensions
	375	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	376	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
	377	CALL set_mask_locations( 3, dz, 'dz', nz, 'nz', nzb, nzt )
	378	!
	379	!-- Set global masks along all three dimensions (required by
	380	!-- define_netcdf_header).
	381	#if defined( __parallel )
	382	!
	383	!-- PE0 receives partial arrays from all processors of the respective mask
	384	!-- and outputs them. Here a barrier has to be set, because otherwise
	385	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
	386	CALL MPI_BARRIER( comm2d, ierr )
	387
	388	IF ( myid == 0 ) THEN
	389	!
	390	!-- Local arrays can be relocated directly.
	391	mask_i_global(mid,mask_start_l(mid,1): &
	392	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	393	mask_i(mid,:mask_size_l(mid,1))
	394	mask_j_global(mid,mask_start_l(mid,2): &
	395	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	396	mask_j(mid,:mask_size_l(mid,2))
	397	mask_k_global(mid,mask_start_l(mid,3): &
	398	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	399	mask_k(mid,:mask_size_l(mid,3))
	400	!
	401	!-- Receive data from all other PEs.
	402	DO n = 1, numprocs-1
	403	!
	404	!-- Receive index limits first, then arrays.
	405	!-- Index limits are received in arbitrary order from the PEs.
	406	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	407	comm2d, status, ierr )
	408	!
	409	!-- Not all PEs have data for the mask.
	410	IF ( ind(1) /= -9999 ) THEN
	411	sender = status(MPI_SOURCE)
	412	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	413	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	414	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	415	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	416	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	417	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	418	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	419	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	420	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	421	ENDIF
	422	ENDDO
	423
	424	ELSE
	425	!
	426	!-- If at least part of the mask resides on the PE, send the index limits
	427	!-- for the target array, otherwise send -9999 to PE0.
	428	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	429	mask_size_l(mid,3) > 0 ) &
	430	THEN
	431	ind(1) = mask_start_l(mid,1)
	432	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	433	ind(3) = mask_start_l(mid,2)
	434	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	435	ind(5) = mask_start_l(mid,3)
	436	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	437	ELSE
	438	ind(1) = -9999; ind(2) = -9999
	439	ind(3) = -9999; ind(4) = -9999
	440	ind(5) = -9999; ind(6) = -9999
	441	ENDIF
	442	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	443	!
	444	!-- If applicable, send data to PE0.
	445	IF ( ind(1) /= -9999 ) THEN
	446	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	447	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	448	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	449	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	450	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	451	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	452	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	453	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	454	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	455	ENDIF
	456	ENDIF
	457	!
	458	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	459	!-- so that PE0 may receive wrong data on tag 0.
	460	CALL MPI_BARRIER( comm2d, ierr )
[409]	461
[493]	462	IF ( netcdf_data_format > 2 ) THEN
[409]	463
[493]	464	CALL MPI_BCAST( mask_i_global(mid,:), nx+1, MPI_INTEGER, 0, comm2d, &
	465	ierr )
	466	CALL MPI_BCAST( mask_j_global(mid,:), ny+1, MPI_INTEGER, 0, comm2d, &
	467	ierr )
	468	CALL MPI_BCAST( mask_k_global(mid,:), nz+1, MPI_INTEGER, 0, comm2d, &
	469	ierr )
[409]	470
	471	ENDIF
[298]	472
	473	#else
	474	!
	475	!-- Local arrays can be relocated directly.
	476	mask_i_global(mid,:) = mask_i(mid,:)
	477	mask_j_global(mid,:) = mask_j(mid,:)
	478	mask_k_global(mid,:) = mask_k(mid,:)
	479	#endif
	480	ENDDO ! mid
	481
	482	DEALLOCATE( tmp_array )
	483	!
	484	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	485	!-- required for header output on PE 0.
	486	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	487
	488	CONTAINS
[493]	489
[298]	490	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	491	lb, ub )
	492	!------------------------------------------------------------------------------!
	493	!
	494	! Description:
	495	! ------------
	496	! Set local mask for each subdomain along 'dim' direction.
	497	!------------------------------------------------------------------------------!
	498
	499	IMPLICIT NONE
	500
	501	CHARACTER (LEN=2) :: dxyz_string, nxyz_string
	502	INTEGER :: count, count_l, dim, m, loop_begin, loop_end, loop_stride, &
	503	lb, nxyz, ub
	504	REAL :: dxyz, ddxyz, tmp1, tmp2
	505
	506	count = 0; count_l = 0; ddxyz = 1.0 / dxyz; tmp1 = 0.0; tmp2 = 0.0
	507
	508	IF ( mask(mid,dim,1) >= 0.0 ) THEN
	509	!
	510	!-- use predefined mask_* array
	511	DO WHILE ( mask(mid,dim,count+1) >= 0.0 )
	512	count = count + 1
	513	IF ( dim == 1 .OR. dim == 2 ) THEN
[303]	514	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz )
[298]	515	ELSEIF ( dim == 3 ) THEN
	516	ind_array = &
[303]	517	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zw ) )
[298]	518	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	519	ENDIF
	520	IF ( m > nxyz ) THEN
[303]	521	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	522	m,' in mask ',mid,' along dimension ',dim, &
	523	' exceeds ',nxyz_string,' = ',nxyz
[298]	524	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	525	ENDIF
	526	IF ( m >= lb .AND. m <= ub ) THEN
	527	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	528	count_l = count_l + 1
	529	IF ( dim == 1 ) THEN
	530	mask_i(mid,count_l) = m
	531	ELSEIF ( dim == 2 ) THEN
	532	mask_j(mid,count_l) = m
	533	ELSEIF ( dim == 3 ) THEN
	534	mask_k(mid,count_l) = m
	535	ENDIF
	536	ENDIF
	537	IF ( count == mask_xyz_dimension ) EXIT
	538	ENDDO
	539	mask_size(mid,dim) = count
	540	mask_size_l(mid,dim) = count_l
	541
	542	ELSE
	543	!
	544	!-- use predefined mask_loop_* array, or use the default (all grid points
	545	!-- along this direction)
	546	IF ( mask_loop(mid,dim,1) < 0.0 ) THEN
	547	tmp1 = mask_loop(mid,dim,1)
	548	mask_loop(mid,dim,1) = 0.0 ! (default)
	549	ENDIF
	550	IF ( dim == 1 .OR. dim == 2 ) THEN
	551	IF ( mask_loop(mid,dim,2) < 0.0 ) THEN
	552	tmp2 = mask_loop(mid,dim,2)
[303]	553	mask_loop(mid,dim,2) = nxyz*dxyz / mask_scale(dim) ! (default)
[298]	554	ENDIF
	555	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[303]	556	> nxyz * dxyz / mask_scale(dim) ) THEN
	557	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
	558	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	559	' and/or mask_loop(',mid,',',dim,',2)=', &
	560	mask_loop(mid,dim,2),'&exceed ', &
	561	nxyz_string,'*',dxyz_string,'/mask_scale(',dim,')=', &
	562	nxyz*dxyz/mask_scale(dim)
[298]	563	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	564	ENDIF
[303]	565	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) * ddxyz )
	566	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) * ddxyz )
	567	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
[298]	568	ELSEIF ( dim == 3 ) THEN
	569	IF ( mask_loop(mid,dim,2) < 0.0 ) THEN
	570	tmp2 = mask_loop(mid,dim,2)
[303]	571	mask_loop(mid,dim,2) = zw(nz) / mask_scale(dim) ! (default)
[298]	572	ENDIF
	573	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[303]	574	> zw(nz) / mask_scale(dim) ) THEN
	575	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	576	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	577	' and/or mask_loop(',mid,',',dim,',2)=', &
	578	mask_loop(mid,dim,2),'&exceed zw(nz)/mask_scale(',dim, &
	579	')=',zw(nz)/mask_scale(dim)
[298]	580	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	581	ENDIF
[303]	582	ind_array = &
	583	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zw ) )
[298]	584	loop_begin = &
[303]	585	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	586	ind_array = &
	587	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zw ) )
[298]	588	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	589	!
[303]	590	!-- The following line assumes a constant vertical grid spacing within
	591	!-- the vertical mask range; it fails for vertical grid stretching.
	592	!-- Maybe revise later. Issue warning but continue execution.
	593	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	594
	595	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > dz_stretch_level ) &
	596	THEN
	597	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	598	'mask_loop(',mid,dim,',2)=', mask_loop(mid,dim,2),&
	599	' exceeds dz_stretch_level=',dz_stretch_level, &
	600	'.&Vertical mask locations will not ', &
	601	'match the desired heights&within the stretching ', &
	602	'region. Recommendation: use mask instead of mask_loop.'
	603	CALL message( 'init_masks', 'PA9998', 0, 1, 0, 6, 0 )
	604	ENDIF
	605
[298]	606	ENDIF
	607	!
	608	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
	609	IF ( tmp1 < 0.0 ) mask_loop(mid,dim,1) = tmp1
	610	IF ( tmp2 < 0.0 ) mask_loop(mid,dim,2) = tmp2
	611	!
	612	!-- The default stride +/-1 (every grid point) applies if
	613	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	614	IF ( loop_stride == 0 ) THEN
	615	IF ( loop_end >= loop_begin ) THEN
	616	loop_stride = 1
	617	ELSE
	618	loop_stride = -1
	619	ENDIF
	620	ENDIF
	621	DO m = loop_begin, loop_end, loop_stride
	622	count = count + 1
	623	IF ( m >= lb .AND. m <= ub ) THEN
	624	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	625	count_l = count_l + 1
	626	IF ( dim == 1 ) THEN
	627	mask_i(mid,count_l) = m
	628	ELSEIF ( dim == 2 ) THEN
	629	mask_j(mid,count_l) = m
	630	ELSEIF ( dim == 3 ) THEN
	631	mask_k(mid,count_l) = m
	632	ENDIF
	633	ENDIF
	634	ENDDO
	635	mask_size(mid,dim) = count
	636	mask_size_l(mid,dim) = count_l
	637	ENDIF
	638
	639	END SUBROUTINE set_mask_locations
	640
	641	END SUBROUTINE init_masks

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