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source: palm/trunk/SOURCE/init_masks.f90 @ 448

Last change on this file since 448 was 410, checked in by letzel, 15 years ago
reintegrate branch letzel/masked_output into trunk; new funtionality: masked data output (not yet documented)
Property svn:keywords set to `Id`
File size: 28.6 KB

Rev	Line
[298]	1	SUBROUTINE init_masks
	2
	3	!------------------------------------------------------------------------------!
	4	! Actual revisions:
	5	! -----------------
	6	!
	7	!
	8	! To do:
	9	! ------
	10	!
	11	!
	12	! Former revisions:
	13	! -----------------
	14	! $Id: init_masks.f90 410 2009-12-04 17:05:40Z raasch $
	15	!
	16	!
	17	! Description:
	18	! ------------
	19	! Initialize masked data output
	20	!------------------------------------------------------------------------------!
	21
	22	USE arrays_3d
	23	USE control_parameters
	24	USE grid_variables
	25	USE indices
	26	USE netcdf_control
	27	USE particle_attributes
	28	USE pegrid
	29
	30	IMPLICIT NONE
	31
	32	CHARACTER (LEN=6) :: var
	33	CHARACTER (LEN=7) :: unit
	34	CHARACTER (LEN=10), DIMENSION(max_masks,100) :: do_mask, do_mask_user
	35
	36	INTEGER :: i, ilen, ind(6), ind_array(1), j, k, n, sender
	37	INTEGER, DIMENSION(:), ALLOCATABLE :: tmp_array
	38
	39	LOGICAL :: found
	40	!
	41	!-- Allocation and initialization
	42	ALLOCATE( tmp_array( MAX(nx,ny,nz)+1 ) )
	43
	44	ALLOCATE( mask_i(max_masks,nxr-nxl+1), &
	45	mask_j(max_masks,nyn-nys+1), &
	46	mask_k(max_masks,nzt-nzb+1) )
	47	!
	48	!-- internal mask arrays ("mask,dimension,selection")
	49	ALLOCATE( mask(max_masks,3,mask_xyz_dimension), &
	50	mask_loop(max_masks,3,3) )
	51	!
	52	!-- Store netcdf file formats for masked data output in one shared array
	53	nc_format_mask(:,0) = netcdf_format_mask
	54	nc_format_mask(:,1) = netcdf_format_mask_av
[409]	55
	56	IF ( ANY( nc_format_mask == 3 ) .OR. ANY( nc_format_mask == 4 )) THEN
	57	format_parallel_io = .TRUE.
	58	ENDIF
[298]	59
[409]	60	IF ( ANY( nc_format_mask < 1 ) .OR. ANY( nc_format_mask > 4 ) ) THEN
[298]	61	WRITE( message_string, * ) 'illegal value: netcdf_format_mask and ', &
[409]	62	'netcdf_format_mask_av must be either 1, 2, 3 or 4'
[298]	63	IF ( ANY( nc_format_mask == 3 ) .OR. ANY( nc_format_mask == 4 ) ) THEN
	64	message_string = TRIM( message_string ) // '&NetCDF file formats '// &
	65	'3 (NetCDF 4) and 4 (NetCDF 4 Classic model)'// &
	66	'&are currently not supported (not yet tested).'
	67	ENDIF
	68	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	69	ENDIF
	70	!
	71	!-- Store data output parameters for masked data output in few shared arrays
	72	do_mask( 1,:) = data_output_mask_01; do_mask( 2,:) = data_output_mask_02
	73	do_mask( 3,:) = data_output_mask_03; do_mask( 4,:) = data_output_mask_04
	74	do_mask( 5,:) = data_output_mask_05; do_mask( 6,:) = data_output_mask_06
	75	do_mask( 7,:) = data_output_mask_07; do_mask( 8,:) = data_output_mask_08
	76	do_mask( 9,:) = data_output_mask_09; do_mask(10,:) = data_output_mask_10
	77	do_mask(11,:) = data_output_mask_11; do_mask(12,:) = data_output_mask_12
	78	do_mask(13,:) = data_output_mask_13; do_mask(14,:) = data_output_mask_14
	79	do_mask(15,:) = data_output_mask_15; do_mask(16,:) = data_output_mask_16
	80	do_mask(17,:) = data_output_mask_17; do_mask(18,:) = data_output_mask_18
	81	do_mask(19,:) = data_output_mask_19; do_mask(20,:) = data_output_mask_20
	82	do_mask_user( 1,:) = data_output_mask_user_01
	83	do_mask_user( 2,:) = data_output_mask_user_02
	84	do_mask_user( 3,:) = data_output_mask_user_03
	85	do_mask_user( 4,:) = data_output_mask_user_04
	86	do_mask_user( 5,:) = data_output_mask_user_05
	87	do_mask_user( 6,:) = data_output_mask_user_06
	88	do_mask_user( 7,:) = data_output_mask_user_07
	89	do_mask_user( 8,:) = data_output_mask_user_08
	90	do_mask_user( 9,:) = data_output_mask_user_09
	91	do_mask_user(10,:) = data_output_mask_user_10
	92	do_mask_user(11,:) = data_output_mask_user_11
	93	do_mask_user(12,:) = data_output_mask_user_12
	94	do_mask_user(13,:) = data_output_mask_user_13
	95	do_mask_user(14,:) = data_output_mask_user_14
	96	do_mask_user(15,:) = data_output_mask_user_15
	97	do_mask_user(16,:) = data_output_mask_user_16
	98	do_mask_user(17,:) = data_output_mask_user_17
	99	do_mask_user(18,:) = data_output_mask_user_18
	100	do_mask_user(19,:) = data_output_mask_user_19
	101	do_mask_user(20,:) = data_output_mask_user_20
	102	mask( 1,1,:) = mask_01_x; mask( 2,1,:) = mask_02_x
	103	mask( 3,1,:) = mask_03_x; mask( 4,1,:) = mask_04_x
	104	mask( 5,1,:) = mask_05_x; mask( 6,1,:) = mask_06_x
	105	mask( 7,1,:) = mask_07_x; mask( 8,1,:) = mask_08_x
	106	mask( 9,1,:) = mask_09_x; mask(10,1,:) = mask_10_x
	107	mask(11,1,:) = mask_11_x; mask(12,1,:) = mask_12_x
	108	mask(13,1,:) = mask_13_x; mask(14,1,:) = mask_14_x
	109	mask(15,1,:) = mask_15_x; mask(16,1,:) = mask_16_x
	110	mask(17,1,:) = mask_17_x; mask(18,1,:) = mask_18_x
	111	mask(19,1,:) = mask_19_x; mask(20,1,:) = mask_20_x
	112	mask( 1,2,:) = mask_01_y; mask( 2,2,:) = mask_02_y
	113	mask( 3,2,:) = mask_03_y; mask( 4,2,:) = mask_04_y
	114	mask( 5,2,:) = mask_05_y; mask( 6,2,:) = mask_06_y
	115	mask( 7,2,:) = mask_07_y; mask( 8,2,:) = mask_08_y
	116	mask( 9,2,:) = mask_09_y; mask(10,2,:) = mask_10_y
	117	mask(11,2,:) = mask_11_y; mask(12,2,:) = mask_12_y
	118	mask(13,2,:) = mask_13_y; mask(14,2,:) = mask_14_y
	119	mask(15,2,:) = mask_15_y; mask(16,2,:) = mask_16_y
	120	mask(17,2,:) = mask_17_y; mask(18,2,:) = mask_18_y
	121	mask(19,2,:) = mask_19_y; mask(20,2,:) = mask_20_y
	122	mask( 1,3,:) = mask_01_z; mask( 2,3,:) = mask_02_z
	123	mask( 3,3,:) = mask_03_z; mask( 4,3,:) = mask_04_z
	124	mask( 5,3,:) = mask_05_z; mask( 6,3,:) = mask_06_z
	125	mask( 7,3,:) = mask_07_z; mask( 8,3,:) = mask_08_z
	126	mask( 9,3,:) = mask_09_z; mask(10,3,:) = mask_10_z
	127	mask(11,3,:) = mask_11_z; mask(12,3,:) = mask_12_z
	128	mask(13,3,:) = mask_13_z; mask(14,3,:) = mask_14_z
	129	mask(15,3,:) = mask_15_z; mask(16,3,:) = mask_16_z
	130	mask(17,3,:) = mask_17_z; mask(18,3,:) = mask_18_z
	131	mask(19,3,:) = mask_19_z; mask(20,3,:) = mask_20_z
	132	mask_loop( 1,1,:) = mask_01_x_loop; mask_loop( 2,1,:) = mask_02_x_loop
	133	mask_loop( 3,1,:) = mask_03_x_loop; mask_loop( 4,1,:) = mask_04_x_loop
	134	mask_loop( 5,1,:) = mask_05_x_loop; mask_loop( 6,1,:) = mask_06_x_loop
	135	mask_loop( 7,1,:) = mask_07_x_loop; mask_loop( 8,1,:) = mask_08_x_loop
	136	mask_loop( 9,1,:) = mask_09_x_loop; mask_loop(10,1,:) = mask_10_x_loop
	137	mask_loop(11,1,:) = mask_11_x_loop; mask_loop(12,1,:) = mask_12_x_loop
	138	mask_loop(13,1,:) = mask_13_x_loop; mask_loop(14,1,:) = mask_14_x_loop
	139	mask_loop(15,1,:) = mask_15_x_loop; mask_loop(16,1,:) = mask_16_x_loop
	140	mask_loop(17,1,:) = mask_17_x_loop; mask_loop(18,1,:) = mask_18_x_loop
	141	mask_loop(19,1,:) = mask_19_x_loop; mask_loop(20,1,:) = mask_20_x_loop
	142	mask_loop( 1,2,:) = mask_01_y_loop; mask_loop( 2,2,:) = mask_02_y_loop
	143	mask_loop( 3,2,:) = mask_03_y_loop; mask_loop( 4,2,:) = mask_04_y_loop
	144	mask_loop( 5,2,:) = mask_05_y_loop; mask_loop( 6,2,:) = mask_06_y_loop
	145	mask_loop( 7,2,:) = mask_07_y_loop; mask_loop( 8,2,:) = mask_08_y_loop
	146	mask_loop( 9,2,:) = mask_09_y_loop; mask_loop(10,2,:) = mask_10_y_loop
	147	mask_loop(11,2,:) = mask_11_y_loop; mask_loop(12,2,:) = mask_12_y_loop
	148	mask_loop(13,2,:) = mask_13_y_loop; mask_loop(14,2,:) = mask_14_y_loop
	149	mask_loop(15,2,:) = mask_15_y_loop; mask_loop(16,2,:) = mask_16_y_loop
	150	mask_loop(17,2,:) = mask_17_y_loop; mask_loop(18,2,:) = mask_18_y_loop
	151	mask_loop(19,2,:) = mask_19_y_loop; mask_loop(20,2,:) = mask_20_y_loop
	152	mask_loop( 1,3,:) = mask_01_z_loop; mask_loop( 2,3,:) = mask_02_z_loop
	153	mask_loop( 3,3,:) = mask_03_z_loop; mask_loop( 4,3,:) = mask_04_z_loop
	154	mask_loop( 5,3,:) = mask_05_z_loop; mask_loop( 6,3,:) = mask_06_z_loop
	155	mask_loop( 7,3,:) = mask_07_z_loop; mask_loop( 8,3,:) = mask_08_z_loop
	156	mask_loop( 9,3,:) = mask_09_z_loop; mask_loop(10,3,:) = mask_10_z_loop
	157	mask_loop(11,3,:) = mask_11_z_loop; mask_loop(12,3,:) = mask_12_z_loop
	158	mask_loop(13,3,:) = mask_13_z_loop; mask_loop(14,3,:) = mask_14_z_loop
	159	mask_loop(15,3,:) = mask_15_z_loop; mask_loop(16,3,:) = mask_16_z_loop
	160	mask_loop(17,3,:) = mask_17_z_loop; mask_loop(18,3,:) = mask_18_z_loop
	161	mask_loop(19,3,:) = mask_19_z_loop; mask_loop(20,3,:) = mask_20_z_loop
	162	mask_i = -1; mask_j = -1; mask_k = -1
	163	!
	164	!-- Global arrays are required by define_netcdf_header.
[409]	165	IF ( format_parallel_io ) THEN
[298]	166	ALLOCATE( mask_i_global(max_masks,nx+1), &
	167	mask_j_global(max_masks,ny+1), &
	168	mask_k_global(max_masks,nz+1) )
	169	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
[409]	170	ELSEIF ( myid == 0 ) THEN
	171	ALLOCATE( mask_i_global(max_masks,nx+1), &
	172	mask_j_global(max_masks,ny+1), &
	173	mask_k_global(max_masks,nz+1) )
	174	mask_i_global = -1; mask_j_global = -1; mask_k_global = -1
[298]	175	ENDIF
	176
	177	!
	178	!-- Determine variable names for each mask
	179	DO mid = 1, masks
	180	!
	181	!-- Append user-defined data output variables to the standard data output
	182	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	183	i = 1
	184	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	185	i = i + 1
	186	ENDDO
	187	j = 1
	188	DO WHILE ( do_mask_user(mid,j) /= ' ' .AND. j <= 100 )
	189	IF ( i > 100 ) THEN
	190	WRITE ( message_string, * ) 'number of output quantitities ', &
	191	'given by data_output_mask and data_output_mask_user ', &
	192	'exceeds the limit of 100'
	193	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	194	ENDIF
	195	do_mask(mid,i) = do_mask_user(mid,j)
	196	i = i + 1
	197	j = j + 1
	198	ENDDO
	199	ENDIF
	200
	201	!
	202	!-- Check and set steering parameters for mask data output and averaging
	203	i = 1
	204	DO WHILE ( do_mask(mid,i) /= ' ' .AND. i <= 100 )
	205	!
	206	!-- Check for data averaging
	207	ilen = LEN_TRIM( do_mask(mid,i) )
	208	j = 0 ! no data averaging
	209	IF ( ilen > 3 ) THEN
	210	IF ( do_mask(mid,i)(ilen-2:ilen) == '_av' ) THEN
	211	j = 1 ! data averaging
	212	do_mask(mid,i) = do_mask(mid,i)(1:ilen-3)
	213	ENDIF
	214	ENDIF
	215	var = TRIM( do_mask(mid,i) )
	216	!
	217	!-- Check for allowed value and set units
	218	SELECT CASE ( TRIM( var ) )
	219
	220	CASE ( 'e' )
	221	IF ( constant_diffusion ) THEN
	222	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	223	'" requires constant_diffusion = .FALSE.'
	224	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	225	ENDIF
	226	unit = 'm2/s2'
	227
	228	CASE ( 'pc', 'pr' )
	229	IF ( .NOT. particle_advection ) THEN
	230	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	231	'" requires a "particles_par"-NAMELIST in the ', &
	232	'parameter file (PARIN)'
	233	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	234	ENDIF
	235	IF ( TRIM( var ) == 'pc' ) unit = 'number'
	236	IF ( TRIM( var ) == 'pr' ) unit = 'm'
	237
	238	CASE ( 'q', 'vpt' )
	239	IF ( .NOT. humidity ) THEN
	240	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	241	'" requires humidity = .TRUE.'
	242	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	243	ENDIF
	244	IF ( TRIM( var ) == 'q' ) unit = 'kg/kg'
	245	IF ( TRIM( var ) == 'vpt' ) unit = 'K'
	246
	247	CASE ( 'ql' )
	248	IF ( .NOT. ( cloud_physics .OR. cloud_droplets ) ) THEN
	249	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	250	'" requires cloud_physics = .TRUE. or cloud_droplets', &
	251	' = .TRUE.'
	252	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	253	ENDIF
	254	unit = 'kg/kg'
	255
	256	CASE ( 'ql_c', 'ql_v', 'ql_vp' )
	257	IF ( .NOT. cloud_droplets ) THEN
	258	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	259	'" requires cloud_droplets = .TRUE.'
	260	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	261	ENDIF
	262	IF ( TRIM( var ) == 'ql_c' ) unit = 'kg/kg'
	263	IF ( TRIM( var ) == 'ql_v' ) unit = 'm3'
	264	IF ( TRIM( var ) == 'ql_vp' ) unit = 'none'
	265
	266	CASE ( 'qv' )
	267	IF ( .NOT. cloud_physics ) THEN
	268	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	269	'" requires cloud_physics = .TRUE.'
	270	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	271	ENDIF
	272	unit = 'kg/kg'
	273
	274	CASE ( 'rho' )
	275	IF ( .NOT. ocean ) THEN
	276	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	277	'" requires ocean = .TRUE.'
	278	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	279	ENDIF
	280	unit = 'kg/m3'
	281
	282	CASE ( 's' )
	283	IF ( .NOT. passive_scalar ) THEN
	284	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	285	'" requires passive_scalar = .TRUE.'
	286	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	287	ENDIF
	288	unit = 'conc'
	289
	290	CASE ( 'sa' )
	291	IF ( .NOT. ocean ) THEN
	292	WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	293	'" requires ocean = .TRUE.'
	294	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	295	ENDIF
	296	unit = 'psu'
	297
	298	CASE ( 'u', 't', 'lwp', 'pra', 'prr', 'z0' )
	299	WRITE ( message_string, * ) 'illegal value for data_',&
	300	'output: "', TRIM( var ), '" is only allowed', &
	301	'for horizontal cross section'
	302	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	303	! IF ( TRIM( var ) == 'lwp*' .AND. .NOT. cloud_physics ) THEN
	304	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	305	! '" requires cloud_physics = .TRUE.'
	306	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	307	! ENDIF
	308	! IF ( TRIM( var ) == 'pra*' .AND. .NOT. precipitation ) THEN
	309	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	310	! '" requires precipitation = .TRUE.'
	311	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	312	! ENDIF
	313	! IF ( TRIM( var ) == 'pra*' .AND. j == 1 ) THEN
	314	! WRITE ( message_string, * ) 'temporal averaging of ', &
	315	! ' precipitation amount "', TRIM( var ), &
	316	! '" not possible'
	317	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	318	! ENDIF
	319	! IF ( TRIM( var ) == 'prr*' .AND. .NOT. precipitation ) THEN
	320	! WRITE ( message_string, * ) 'output of "', TRIM( var ), &
	321	! '" requires precipitation = .TRUE.'
	322	! CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	323	! ENDIF
	324	!
	325	! IF ( TRIM( var ) == 'u*' ) unit = 'm/s'
	326	! IF ( TRIM( var ) == 't*' ) unit = 'K'
	327	! IF ( TRIM( var ) == 'lwp' ) unit = 'kg/kgm'
	328	! IF ( TRIM( var ) == 'pra*' ) unit = 'mm'
	329	! IF ( TRIM( var ) == 'prr*' ) unit = 'mm/s'
	330	! IF ( TRIM( var ) == 'z0*' ) unit = 'm'
	331
	332	CASE ( 'p', 'pt', 'u', 'v', 'w' )
	333	IF ( TRIM( var ) == 'p' ) unit = 'Pa'
	334	IF ( TRIM( var ) == 'pt' ) unit = 'K'
	335	IF ( TRIM( var ) == 'u' ) unit = 'm/s'
	336	IF ( TRIM( var ) == 'v' ) unit = 'm/s'
	337	IF ( TRIM( var ) == 'w' ) unit = 'm/s'
	338	CONTINUE
	339
	340	CASE DEFAULT
	341	CALL user_check_data_output( var, unit )
	342
	343	IF ( unit == 'illegal' ) THEN
	344	IF ( do_mask_user(mid,1) /= ' ' ) THEN
	345	WRITE ( message_string, * ) 'illegal value for data_',&
	346	'output or data_output_user: "', &
	347	TRIM( do_mask(mid,i) ), '"'
	348	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	349	ELSE
	350	WRITE ( message_string, * ) 'illegal value for data_',&
	351	'output: "', TRIM( do_mask(mid,i) ), '"'
	352	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	353	ENDIF
	354	ENDIF
	355
	356	END SELECT
	357	!
	358	!-- Set the internal steering parameters appropriately
	359	domask_no(mid,j) = domask_no(mid,j) + 1
	360	domask(mid,j,domask_no(mid,j)) = do_mask(mid,i)
	361	domask_unit(mid,j,domask_no(mid,j)) = unit
	362
	363	IF ( j == 1 ) THEN
	364	!
	365	!-- Check, if variable is already subject to averaging
	366	found = .FALSE.
	367	DO k = 1, doav_n
	368	IF ( TRIM( doav(k) ) == TRIM( var ) ) found = .TRUE.
	369	ENDDO
	370
	371	IF ( .NOT. found ) THEN
	372	doav_n = doav_n + 1
	373	doav(doav_n) = var
	374	ENDIF
	375	ENDIF
	376
	377	i = i + 1
	378
	379	ENDDO ! do_mask(mid,i)
	380	ENDDO ! mid
	381
	382
	383	!
	384	!-- Determine mask locations for each mask
	385	DO mid = 1, masks
	386	!
	387	!-- Set local masks for each subdomain along all three dimensions
	388	CALL set_mask_locations( 1, dx, 'dx', nx, 'nx', nxl, nxr )
	389	CALL set_mask_locations( 2, dy, 'dy', ny, 'ny', nys, nyn )
	390	CALL set_mask_locations( 3, dz, 'dz', nz, 'nz', nzb, nzt )
	391	!
	392	!-- Set global masks along all three dimensions (required by
	393	!-- define_netcdf_header).
	394	#if defined( __parallel )
	395	!
	396	!-- PE0 receives partial arrays from all processors of the respective mask
	397	!-- and outputs them. Here a barrier has to be set, because otherwise
	398	!-- "-MPI- FATAL: Remote protocol queue full" may occur.
	399	CALL MPI_BARRIER( comm2d, ierr )
	400
	401	IF ( myid == 0 ) THEN
	402	!
	403	!-- Local arrays can be relocated directly.
	404	mask_i_global(mid,mask_start_l(mid,1): &
	405	mask_start_l(mid,1)+mask_size_l(mid,1)-1) = &
	406	mask_i(mid,:mask_size_l(mid,1))
	407	mask_j_global(mid,mask_start_l(mid,2): &
	408	mask_start_l(mid,2)+mask_size_l(mid,2)-1) = &
	409	mask_j(mid,:mask_size_l(mid,2))
	410	mask_k_global(mid,mask_start_l(mid,3): &
	411	mask_start_l(mid,3)+mask_size_l(mid,3)-1) = &
	412	mask_k(mid,:mask_size_l(mid,3))
	413	!
	414	!-- Receive data from all other PEs.
	415	DO n = 1, numprocs-1
	416	!
	417	!-- Receive index limits first, then arrays.
	418	!-- Index limits are received in arbitrary order from the PEs.
	419	CALL MPI_RECV( ind(1), 6, MPI_INTEGER, MPI_ANY_SOURCE, 0, &
	420	comm2d, status, ierr )
	421	!
	422	!-- Not all PEs have data for the mask.
	423	IF ( ind(1) /= -9999 ) THEN
	424	sender = status(MPI_SOURCE)
	425	CALL MPI_RECV( tmp_array(ind(1)), ind(2)-ind(1)+1, &
[363]	426	MPI_INTEGER, sender, 1, comm2d, status, ierr )
[298]	427	mask_i_global(mid,ind(1):ind(2)) = tmp_array(ind(1):ind(2))
	428	CALL MPI_RECV( tmp_array(ind(3)), ind(4)-ind(3)+1, &
[363]	429	MPI_INTEGER, sender, 2, comm2d, status, ierr )
[298]	430	mask_j_global(mid,ind(3):ind(4)) = tmp_array(ind(3):ind(4))
	431	CALL MPI_RECV( tmp_array(ind(5)), ind(6)-ind(5)+1, &
[363]	432	MPI_INTEGER, sender, 3, comm2d, status, ierr )
[298]	433	mask_k_global(mid,ind(5):ind(6)) = tmp_array(ind(5):ind(6))
	434	ENDIF
	435	ENDDO
	436
	437	ELSE
	438	!
	439	!-- If at least part of the mask resides on the PE, send the index limits
	440	!-- for the target array, otherwise send -9999 to PE0.
	441	IF ( mask_size_l(mid,1) > 0 .AND. mask_size_l(mid,2) > 0 .AND. &
	442	mask_size_l(mid,3) > 0 ) &
	443	THEN
	444	ind(1) = mask_start_l(mid,1)
	445	ind(2) = mask_start_l(mid,1) + mask_size_l(mid,1) - 1
	446	ind(3) = mask_start_l(mid,2)
	447	ind(4) = mask_start_l(mid,2) + mask_size_l(mid,2) - 1
	448	ind(5) = mask_start_l(mid,3)
	449	ind(6) = mask_start_l(mid,3) + mask_size_l(mid,3) - 1
	450	ELSE
	451	ind(1) = -9999; ind(2) = -9999
	452	ind(3) = -9999; ind(4) = -9999
	453	ind(5) = -9999; ind(6) = -9999
	454	ENDIF
	455	CALL MPI_SEND( ind(1), 6, MPI_INTEGER, 0, 0, comm2d, ierr )
	456	!
	457	!-- If applicable, send data to PE0.
	458	IF ( ind(1) /= -9999 ) THEN
	459	tmp_array(:mask_size_l(mid,1)) = mask_i(mid,:mask_size_l(mid,1))
	460	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,1), &
[363]	461	MPI_INTEGER, 0, 1, comm2d, ierr )
[298]	462	tmp_array(:mask_size_l(mid,2)) = mask_j(mid,:mask_size_l(mid,2))
	463	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,2), &
[363]	464	MPI_INTEGER, 0, 2, comm2d, ierr )
[298]	465	tmp_array(:mask_size_l(mid,3)) = mask_k(mid,:mask_size_l(mid,3))
	466	CALL MPI_SEND( tmp_array(1), mask_size_l(mid,3), &
[363]	467	MPI_INTEGER, 0, 3, comm2d, ierr )
[298]	468	ENDIF
	469	ENDIF
	470	!
	471	!-- A barrier has to be set, because otherwise some PEs may proceed too fast
	472	!-- so that PE0 may receive wrong data on tag 0.
	473	CALL MPI_BARRIER( comm2d, ierr )
[409]	474
	475	IF ( format_parallel_io ) THEN
	476
	477	CALL MPI_BCAST( mask_i_global(mid,:), nx+1, MPI_INTEGER, 0, comm2d, ierr )
	478	CALL MPI_BCAST( mask_j_global(mid,:), ny+1, MPI_INTEGER, 0, comm2d, ierr )
	479	CALL MPI_BCAST( mask_k_global(mid,:), nz+1, MPI_INTEGER, 0, comm2d, ierr )
	480
	481	ENDIF
[298]	482
	483	#else
	484	!
	485	!-- Local arrays can be relocated directly.
	486	mask_i_global(mid,:) = mask_i(mid,:)
	487	mask_j_global(mid,:) = mask_j(mid,:)
	488	mask_k_global(mid,:) = mask_k(mid,:)
	489	#endif
	490	ENDDO ! mid
	491
	492	DEALLOCATE( tmp_array )
	493	!
	494	!-- Internal mask arrays cannot be deallocated on PE 0 because they are
	495	!-- required for header output on PE 0.
	496	IF ( myid /= 0 ) DEALLOCATE( mask, mask_loop )
	497
	498	CONTAINS
	499	SUBROUTINE set_mask_locations( dim, dxyz, dxyz_string, nxyz, nxyz_string, &
	500	lb, ub )
	501	!------------------------------------------------------------------------------!
	502	!
	503	! Description:
	504	! ------------
	505	! Set local mask for each subdomain along 'dim' direction.
	506	!------------------------------------------------------------------------------!
	507
	508	IMPLICIT NONE
	509
	510	CHARACTER (LEN=2) :: dxyz_string, nxyz_string
	511	INTEGER :: count, count_l, dim, m, loop_begin, loop_end, loop_stride, &
	512	lb, nxyz, ub
	513	REAL :: dxyz, ddxyz, tmp1, tmp2
	514
	515	count = 0; count_l = 0; ddxyz = 1.0 / dxyz; tmp1 = 0.0; tmp2 = 0.0
	516
	517	IF ( mask(mid,dim,1) >= 0.0 ) THEN
	518	!
	519	!-- use predefined mask_* array
	520	DO WHILE ( mask(mid,dim,count+1) >= 0.0 )
	521	count = count + 1
	522	IF ( dim == 1 .OR. dim == 2 ) THEN
[303]	523	m = NINT( mask(mid,dim,count) * mask_scale(dim) * ddxyz )
[298]	524	ELSEIF ( dim == 3 ) THEN
	525	ind_array = &
[303]	526	MINLOC( ABS( mask(mid,dim,count) * mask_scale(dim) - zw ) )
[298]	527	m = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	528	ENDIF
	529	IF ( m > nxyz ) THEN
[303]	530	WRITE ( message_string, '(I3,A,I3,A,I1,3A,I3)' ) &
	531	m,' in mask ',mid,' along dimension ',dim, &
	532	' exceeds ',nxyz_string,' = ',nxyz
[298]	533	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	534	ENDIF
	535	IF ( m >= lb .AND. m <= ub ) THEN
	536	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	537	count_l = count_l + 1
	538	IF ( dim == 1 ) THEN
	539	mask_i(mid,count_l) = m
	540	ELSEIF ( dim == 2 ) THEN
	541	mask_j(mid,count_l) = m
	542	ELSEIF ( dim == 3 ) THEN
	543	mask_k(mid,count_l) = m
	544	ENDIF
	545	ENDIF
	546	IF ( count == mask_xyz_dimension ) EXIT
	547	ENDDO
	548	mask_size(mid,dim) = count
	549	mask_size_l(mid,dim) = count_l
	550
	551	ELSE
	552	!
	553	!-- use predefined mask_loop_* array, or use the default (all grid points
	554	!-- along this direction)
	555	IF ( mask_loop(mid,dim,1) < 0.0 ) THEN
	556	tmp1 = mask_loop(mid,dim,1)
	557	mask_loop(mid,dim,1) = 0.0 ! (default)
	558	ENDIF
	559	IF ( dim == 1 .OR. dim == 2 ) THEN
	560	IF ( mask_loop(mid,dim,2) < 0.0 ) THEN
	561	tmp2 = mask_loop(mid,dim,2)
[303]	562	mask_loop(mid,dim,2) = nxyz*dxyz / mask_scale(dim) ! (default)
[298]	563	ENDIF
	564	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[303]	565	> nxyz * dxyz / mask_scale(dim) ) THEN
	566	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),5A,I1,A,F9.3)' ) &
	567	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	568	' and/or mask_loop(',mid,',',dim,',2)=', &
	569	mask_loop(mid,dim,2),'&exceed ', &
	570	nxyz_string,'*',dxyz_string,'/mask_scale(',dim,')=', &
	571	nxyz*dxyz/mask_scale(dim)
[298]	572	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	573	ENDIF
[303]	574	loop_begin = NINT( mask_loop(mid,dim,1) * mask_scale(dim) * ddxyz )
	575	loop_end = NINT( mask_loop(mid,dim,2) * mask_scale(dim) * ddxyz )
	576	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
[298]	577	ELSEIF ( dim == 3 ) THEN
	578	IF ( mask_loop(mid,dim,2) < 0.0 ) THEN
	579	tmp2 = mask_loop(mid,dim,2)
[303]	580	mask_loop(mid,dim,2) = zw(nz) / mask_scale(dim) ! (default)
[298]	581	ENDIF
	582	IF ( MAXVAL( mask_loop(mid,dim,1:2) ) &
[303]	583	> zw(nz) / mask_scale(dim) ) THEN
	584	WRITE ( message_string, '(2(A,I3,A,I1,A,F9.3),A,I1,A,F9.3)' ) &
	585	'mask_loop(',mid,',',dim,',1)=',mask_loop(mid,dim,1), &
	586	' and/or mask_loop(',mid,',',dim,',2)=', &
	587	mask_loop(mid,dim,2),'&exceed zw(nz)/mask_scale(',dim, &
	588	')=',zw(nz)/mask_scale(dim)
[298]	589	CALL message( 'init_masks', 'PA9998', 1, 2, 0, 6, 0 )
	590	ENDIF
[303]	591	ind_array = &
	592	MINLOC( ABS( mask_loop(mid,dim,1) * mask_scale(dim) - zw ) )
[298]	593	loop_begin = &
[303]	594	ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	595	ind_array = &
	596	MINLOC( ABS( mask_loop(mid,dim,2) * mask_scale(dim) - zw ) )
[298]	597	loop_end = ind_array(1) - 1 + nzb ! MINLOC uses lower array bound 1
	598	!
[303]	599	!-- The following line assumes a constant vertical grid spacing within
	600	!-- the vertical mask range; it fails for vertical grid stretching.
	601	!-- Maybe revise later. Issue warning but continue execution.
	602	loop_stride = NINT( mask_loop(mid,dim,3) * mask_scale(dim) * ddxyz )
	603
	604	IF ( mask_loop(mid,dim,2) * mask_scale(dim) > dz_stretch_level ) &
	605	THEN
	606	WRITE ( message_string, '(A,I3,A,I1,A,F9.3,A,F8.2,3A)' ) &
	607	'mask_loop(',mid,dim,',2)=', mask_loop(mid,dim,2),&
	608	' exceeds dz_stretch_level=',dz_stretch_level, &
	609	'.&Vertical mask locations will not ', &
	610	'match the desired heights&within the stretching ', &
	611	'region. Recommendation: use mask instead of mask_loop.'
	612	CALL message( 'init_masks', 'PA9998', 0, 1, 0, 6, 0 )
	613	ENDIF
	614
[298]	615	ENDIF
	616	!
	617	!-- If necessary, reset mask_loop(mid,dim,1) and mask_loop(mid,dim,2).
	618	IF ( tmp1 < 0.0 ) mask_loop(mid,dim,1) = tmp1
	619	IF ( tmp2 < 0.0 ) mask_loop(mid,dim,2) = tmp2
	620	!
	621	!-- The default stride +/-1 (every grid point) applies if
	622	!-- mask_loop(mid,dim,3) is not specified (its default is zero).
	623	IF ( loop_stride == 0 ) THEN
	624	IF ( loop_end >= loop_begin ) THEN
	625	loop_stride = 1
	626	ELSE
	627	loop_stride = -1
	628	ENDIF
	629	ENDIF
	630	DO m = loop_begin, loop_end, loop_stride
	631	count = count + 1
	632	IF ( m >= lb .AND. m <= ub ) THEN
	633	IF ( count_l == 0 ) mask_start_l(mid,dim) = count
	634	count_l = count_l + 1
	635	IF ( dim == 1 ) THEN
	636	mask_i(mid,count_l) = m
	637	ELSEIF ( dim == 2 ) THEN
	638	mask_j(mid,count_l) = m
	639	ELSEIF ( dim == 3 ) THEN
	640	mask_k(mid,count_l) = m
	641	ENDIF
	642	ENDIF
	643	ENDDO
	644	mask_size(mid,dim) = count
	645	mask_size_l(mid,dim) = count_l
	646	ENDIF
	647
	648	END SUBROUTINE set_mask_locations
	649
	650	END SUBROUTINE init_masks

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