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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 2834

Last change on this file since 2834 was 2718, checked in by maronga, 7 years ago
deleting of deprecated files; headers updated where needed
Property svn:keywords set to `Id`
File size: 20.8 KB

Rev	Line
[1873]	1	!> @file data_output_dvrp.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	!
[254]	20	! Current revisions:
[1]	21	! -----------------
[1354]	22	!
[2001]	23	!
[1321]	24	! Former revisions:
	25	! -----------------
	26	! $Id: data_output_dvrp.f90 2718 2018-01-02 08:49:38Z raasch $
[2716]	27	! Corrected "Former revisions" section
	28	!
	29	! 2696 2017-12-14 17:12:51Z kanani
	30	! Change in file header (GPL part)
	31	!
	32	! 2274 2017-06-09 13:27:48Z Giersch
[2274]	33	! Changed error messages
	34	!
	35	! 2101 2017-01-05 16:42:31Z suehring
[1321]	36	!
[2001]	37	! 2000 2016-08-20 18:09:15Z knoop
	38	! Forced header and separation lines into 80 columns
	39	!
[1961]	40	! 1960 2016-07-12 16:34:24Z suehring
	41	! Separate humidity and passive scalar
	42	!
[1874]	43	! 1873 2016-04-18 14:50:06Z maronga
	44	! Module renamed (removed _mod)
	45	!
	46	!
[1851]	47	! 1850 2016-04-08 13:29:27Z maronga
	48	! Module renamed
	49	!
	50	!
[1823]	51	! 1822 2016-04-07 07:49:42Z hoffmann
	52	! Particles and tails removed.
	53	!
[1683]	54	! 1682 2015-10-07 23:56:08Z knoop
	55	! Code annotations made doxygen readable
	56	!
[1354]	57	! 1353 2014-04-08 15:21:23Z heinze
	58	! REAL constants provided with KIND-attribute
	59	!
[1347]	60	! 1346 2014-03-27 13:18:20Z heinze
	61	! Bugfix: REAL constants provided with KIND-attribute especially in call of
	62	! intrinsic function like MAX, MIN, SIGN
	63	!
[1321]	64	! 1320 2014-03-20 08:40:49Z raasch
[1320]	65	! ONLY-attribute added to USE-statements,
	66	! kind-parameters added to all INTEGER and REAL declaration statements,
	67	! kinds are defined in new module kinds,
	68	! revision history before 2012 removed,
	69	! comment fields (!:) to be used for variable explanations added to
	70	! all variable declaration statements
[1]	71	!
[1319]	72	! 1318 2014-03-17 13:35:16Z raasch
	73	! module interfaces removed
	74	!
[1037]	75	! 1036 2012-10-22 13:43:42Z raasch
	76	! code put under GPL (PALM 3.9)
	77	!
[829]	78	! 828 2012-02-21 12:00:36Z raasch
	79	! particle feature color renamed class
	80	!
[1]	81	! Revision 1.1 2000/04/27 06:27:17 raasch
	82	! Initial revision
	83	!
	84	!
	85	! Description:
	86	! ------------
[1822]	87	!> Plot of isosurface and slicers with dvrp-software
[1]	88	!------------------------------------------------------------------------------!
[1682]	89	MODULE dvrp_color
	90
[1036]	91
	92	USE dvrp_variables
[1320]	93
	94	USE kinds
[1036]	95
	96	IMPLICIT NONE
	97
	98	CONTAINS
	99
[1682]	100	!------------------------------------------------------------------------------!
	101	! Description:
	102	! ------------
	103	!> @todo Missing subroutine description.
	104	!------------------------------------------------------------------------------!
[1036]	105	SUBROUTINE color_dvrp( value, color )
	106
[1682]	107	REAL(wp), INTENT(IN) :: value !<
	108	REAL(wp), INTENT(OUT) :: color(4) !<
[1036]	109
[1682]	110	REAL(wp) :: scale !<
[1036]	111
[1320]	112	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
	113	( slicer_range_limits_dvrp(2,islice_dvrp) - &
[1036]	114	slicer_range_limits_dvrp(1,islice_dvrp) )
	115
[1353]	116	scale = MODULO( 180.0_wp + 180.0_wp * scale, 360.0_wp )
[1036]	117
[1320]	118	color = (/ scale, 0.5_wp, 1.0_wp, 0.0_wp /)
[1036]	119
	120	END SUBROUTINE color_dvrp
	121
	122	END MODULE dvrp_color
	123
	124
	125	RECURSIVE SUBROUTINE data_output_dvrp
	126
[1]	127	#if defined( __dvrp_graphics )
	128
[1320]	129	USE arrays_3d, &
[1960]	130	ONLY: p, pt, q, ql, s, ts, u, us, v, w, zu
[1320]	131
	132	USE cloud_parameters, &
	133	ONLY: l_d_cp, pt_d_t
	134
	135	USE constants, &
	136	ONLY: pi
	137
	138	USE control_parameters, &
	139	ONLY: cloud_droplets, cloud_physics, do2d, do3d, humidity, ibc_uv_b, &
	140	message_string, nz_do3d, passive_scalar, simulated_time, &
	141	threshold
	142
	143	USE cpulog, &
	144	ONLY: log_point, log_point_s, cpu_log
	145
[1]	146	USE DVRP
[1320]	147
[1]	148	USE dvrp_color
[1320]	149
[1]	150	USE dvrp_variables
[1320]	151
	152	USE grid_variables, &
	153	ONLY: dx, dy
	154
	155	USE indices, &
	156	ONLY: nxl, nxr, nyn, nys, nzb
	157
	158	USE kinds
[1822]	159
[1]	160	USE pegrid
	161
	162	IMPLICIT NONE
	163
[1682]	164	CHARACTER (LEN=2) :: section_chr !<
	165	CHARACTER (LEN=6) :: output_variable !<
[1320]	166
[1682]	167	INTEGER(iwp) :: c_mode !<
	168	INTEGER(iwp) :: c_size_x !<
	169	INTEGER(iwp) :: c_size_y !<
	170	INTEGER(iwp) :: c_size_z !<
	171	INTEGER(iwp) :: dvrp_nop !<
	172	INTEGER(iwp) :: dvrp_not !<
	173	INTEGER(iwp) :: gradient_normals !<
	174	INTEGER(iwp) :: i !<
	175	INTEGER(iwp) :: ip !<
	176	INTEGER(iwp) :: j !<
	177	INTEGER(iwp) :: jp !<
	178	INTEGER(iwp) :: k !<
	179	INTEGER(iwp) :: l !<
	180	INTEGER(iwp) :: m !<
	181	INTEGER(iwp) :: n !<
	182	INTEGER(iwp) :: n_isosurface !<
	183	INTEGER(iwp) :: n_slicer !<
	184	INTEGER(iwp) :: nn !<
	185	INTEGER(iwp) :: section_mode !<
	186	INTEGER(iwp) :: vn !<
	187	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: p_c !<
	188	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: p_t !<
[242]	189
[1682]	190	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask !<
[242]	191
[1682]	192	REAL(sp) :: slicer_position !<
	193	REAL(sp) :: tmp_alpha !<
	194	REAL(sp) :: tmp_alpha_w !<
	195	REAL(sp) :: tmp_b !<
	196	REAL(sp) :: tmp_c_alpha !<
	197	REAL(sp) :: tmp_g !<
	198	REAL(sp) :: tmp_norm !<
	199	REAL(sp) :: tmp_pos !<
	200	REAL(sp) :: tmp_r !<
	201	REAL(sp) :: tmp_t !<
	202	REAL(sp) :: tmp_th !<
	203	REAL(sp), DIMENSION(:), ALLOCATABLE :: psize !<
	204	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_x !<
	205	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_y !<
	206	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_z !<
	207	REAL(sp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
	208	REAL(sp), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi !<
[1]	209
	210
	211	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
	212
	213	!
	214	!-- Loop over all output modes choosed
[284]	215	m = 1
	216	n_isosurface = 0 ! isosurface counter (for threshold values and color)
	217	n_slicer = 0 ! slice plane counter (for range of values)
[1]	218	DO WHILE ( mode_dvrp(m) /= ' ' )
	219	!
	220	!-- Update of the steering variables
	221	IF ( .NOT. lock_steering_update ) THEN
	222	!
	223	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
	224	lock_steering_update = .TRUE.
[210]	225	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
[1]	226	lock_steering_update = .FALSE.
	227	ENDIF
	228
	229	!
	230	!-- Determine the variable which shall be plotted (in case of slicers or
	231	!-- isosurfaces)
	232	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
[130]	233	READ ( mode_dvrp(m), '(10X,I2)' ) vn
[1]	234	output_variable = do3d(0,vn)
[284]	235	n_isosurface = n_isosurface + 1
[1]	236	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
[130]	237	READ ( mode_dvrp(m), '(6X,I2)' ) vn
[1]	238	output_variable = do2d(0,vn)
	239	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
	240	section_chr = do2d(0,vn)(l-1:l)
	241	SELECT CASE ( section_chr )
	242	CASE ( 'xy' )
	243	section_mode = 2
	244	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
	245	CASE ( 'xz' )
	246	section_mode = 1
	247	slicer_position = slicer_position_dvrp(m) * dy
	248	CASE ( 'yz' )
	249	section_mode = 0
	250	slicer_position = slicer_position_dvrp(m) * dx
	251	END SELECT
	252	ENDIF
	253
	254	!
	255	!-- Select the plot mode (in case of isosurface or slicer only if user has
	256	!-- defined a variable which shall be plotted; otherwise do nothing)
[1822]	257	IF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
[1353]	258	mode_dvrp(m)(1:6) == 'slicer' ) &
[1]	259	.AND. output_variable /= ' ' ) THEN
	260
	261	!
	262	!-- Create an intermediate array, properly dimensioned for plot-output
[1353]	263	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
[246]	264	nzb:nz_do3d) )
[1]	265
	266	!
	267	!-- Move original array to intermediate array
[246]	268	IF ( dvrp_overlap ) THEN
[1]	269
[246]	270	SELECT CASE ( output_variable )
	271
	272	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
	273	DO i = nxl_dvrp, nxr_dvrp+1
	274	DO j = nys_dvrp, nyn_dvrp+1
	275	DO k = nzb, nz_do3d
	276	local_pf(i,j,k) = u(k,j,i)
	277	ENDDO
[1]	278	ENDDO
	279	ENDDO
	280	!
[246]	281	!-- Replace mirrored values at lower surface by real surface
	282	!-- values
[1353]	283	IF ( output_variable == 'u_xz' .OR. &
[246]	284	output_variable == 'u_yz' ) THEN
[1353]	285	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
[246]	286	ENDIF
[1]	287
	288
[246]	289	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
	290	DO i = nxl_dvrp, nxr_dvrp+1
	291	DO j = nys_dvrp, nyn_dvrp+1
	292	DO k = nzb, nz_do3d
	293	local_pf(i,j,k) = v(k,j,i)
	294	ENDDO
[1]	295	ENDDO
	296	ENDDO
	297	!
[246]	298	!-- Replace mirrored values at lower surface by real surface
	299	!-- values
[1353]	300	IF ( output_variable == 'v_xz' .OR. &
[246]	301	output_variable == 'v_yz' ) THEN
[1353]	302	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
[246]	303	ENDIF
[1]	304
[246]	305	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
	306	DO i = nxl_dvrp, nxr_dvrp+1
	307	DO j = nys_dvrp, nyn_dvrp+1
	308	DO k = nzb, nz_do3d
	309	local_pf(i,j,k) = w(k,j,i)
	310	ENDDO
[1]	311	ENDDO
	312	ENDDO
[106]	313	! Averaging for Langmuir circulation
[246]	314	! DO k = nzb, nz_do3d
	315	! DO j = nys_dvrp+1, nyn_dvrp
	316	! DO i = nxl_dvrp, nxr_dvrp+1
	317	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
	318	! 0.50 * local_pf(i,j,k) + &
	319	! 0.25 * local_pf(i,j+1,k)
	320	! ENDDO
[106]	321	! ENDDO
	322	! ENDDO
[1]	323
[246]	324	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
	325	DO i = nxl_dvrp, nxr_dvrp+1
	326	DO j = nys_dvrp, nyn_dvrp+1
	327	DO k = nzb, nz_do3d
	328	local_pf(i,j,k) = p(k,j,i)
	329	ENDDO
[1]	330	ENDDO
	331	ENDDO
	332
[246]	333	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
	334	IF ( .NOT. cloud_physics ) THEN
	335	DO i = nxl_dvrp, nxr_dvrp+1
	336	DO j = nys_dvrp, nyn_dvrp+1
	337	DO k = nzb, nz_do3d
	338	local_pf(i,j,k) = pt(k,j,i)
	339	ENDDO
[1]	340	ENDDO
	341	ENDDO
[246]	342	ELSE
	343	DO i = nxl_dvrp, nxr_dvrp+1
	344	DO j = nys_dvrp, nyn_dvrp+1
	345	DO k = nzb, nz_do3d
[1353]	346	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
[246]	347	pt_d_t(k) * ql(k,j,i)
	348	ENDDO
[1]	349	ENDDO
	350	ENDDO
[246]	351	ENDIF
[1]	352
[246]	353	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
[1960]	354	IF ( humidity ) THEN
[246]	355	DO i = nxl_dvrp, nxr_dvrp+1
	356	DO j = nys_dvrp, nyn_dvrp+1
	357	DO k = nzb, nz_do3d
	358	local_pf(i,j,k) = q(k,j,i)
	359	ENDDO
[1]	360	ENDDO
[246]	361	ENDDO
[254]	362	ELSE
[1960]	363	message_string = 'if humidity = ' // &
[2274]	364	'.FALSE. output of ' // TRIM( output_variable ) // &
[274]	365	'is not provided'
	366	CALL message( 'data_output_dvrp', 'PA0183',&
	367	0, 0, 0, 6, 0 )
[1]	368	ENDIF
	369
[246]	370	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
	371	IF ( cloud_physics .OR. cloud_droplets ) THEN
	372	DO i = nxl_dvrp, nxr_dvrp+1
	373	DO j = nys_dvrp, nyn_dvrp+1
	374	DO k = nzb, nz_do3d
	375	local_pf(i,j,k) = ql(k,j,i)
	376	ENDDO
[1]	377	ENDDO
	378	ENDDO
[254]	379	ELSE
[2274]	380	message_string = 'if cloud_physics = .FALSE. and ' // &
	381	'cloud_droplets = .FALSE. '
[1353]	382	'output of ' // TRIM( output_variable) // &
[274]	383	'is not provided'
	384	CALL message( 'data_output_dvrp', 'PA0184',&
	385	0, 0, 0, 6, 0 )
[1]	386	ENDIF
	387
[1960]	388	CASE ( 's', 's_xy', 's_xz', 's_yz' )
	389	IF ( passive_scalar ) THEN
	390	DO i = nxl_dvrp, nxr_dvrp+1
	391	DO j = nys_dvrp, nyn_dvrp+1
	392	DO k = nzb, nz_do3d
	393	local_pf(i,j,k) = s(k,j,i)
	394	ENDDO
	395	ENDDO
	396	ENDDO
	397	ELSE
	398	message_string = 'if passive_scalar = ' // &
[2274]	399	'.FALSE. output of ' // TRIM( output_variable ) // &
[1960]	400	'is not provided'
	401	CALL message( 'data_output_dvrp', 'PA0183',&
	402	0, 0, 0, 6, 0 )
	403	ENDIF
	404
[246]	405	CASE ( 'u*_xy' )
	406	DO i = nxl_dvrp, nxr_dvrp+1
	407	DO j = nys_dvrp, nyn_dvrp+1
	408	local_pf(i,j,nzb+1) = us(j,i)
	409	ENDDO
[1]	410	ENDDO
[246]	411	slicer_position = zu(nzb+1)
[1]	412
[246]	413	CASE ( 't*_xy' )
	414	DO i = nxl_dvrp, nxr_dvrp+1
	415	DO j = nys_dvrp, nyn_dvrp+1
	416	local_pf(i,j,nzb+1) = ts(j,i)
	417	ENDDO
[1]	418	ENDDO
[246]	419	slicer_position = zu(nzb+1)
[1]	420
	421
[246]	422	CASE DEFAULT
[130]	423	!
[246]	424	!-- The DEFAULT case is reached either if output_variable
	425	!-- contains unsupported variable or if the user has coded a
	426	!-- special case in the user interface. There, the subroutine
	427	!-- user_data_output_dvrp checks which of these two conditions
	428	!-- applies.
	429	CALL user_data_output_dvrp( output_variable, local_pf )
[1]	430
[130]	431
[246]	432	END SELECT
[1]	433
[264]	434	ELSE
	435	!
	436	!-- No overlap of clipping domain with the current subdomain
	437	DO i = nxl_dvrp, nxr_dvrp+1
	438	DO j = nys_dvrp, nyn_dvrp+1
	439	DO k = nzb, nz_do3d
[1353]	440	local_pf(i,j,k) = 0.0_wp
[264]	441	ENDDO
	442	ENDDO
	443	ENDDO
	444
[246]	445	ENDIF
[1]	446
	447	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
[392]	448
[1]	449	!
	450	!-- DVRP-Calls for plotting isosurfaces:
	451	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
	452
	453	!
[284]	454	!-- Definition of isosurface color
	455	tmp_r = isosurface_color(1,n_isosurface)
	456	tmp_g = isosurface_color(2,n_isosurface)
	457	tmp_b = isosurface_color(3,n_isosurface)
[1353]	458	tmp_t = 0.0_wp
[284]	459	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
[1]	460
	461	!
	462	!-- Compute and plot isosurface in dvr-format
[1353]	463	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
[1]	464	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
[210]	465
	466	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
	467	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
	468
	469	c_mode = vc_mode
	470	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
	471
	472	gradient_normals = vc_gradient_normals
	473	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
[392]	474
[210]	475	!
	476	!-- A seperate procedure for setting vc_alpha will be in the next
	477	!-- version of libDVRP
	478	tmp_c_alpha = vc_alpha
	479	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
	480
[246]	481	IF ( dvrp_overlap ) THEN
[284]	482	tmp_th = threshold(n_isosurface)
[246]	483	ELSE
[1353]	484	tmp_th = 1.0_wp ! nothing is plotted because array values are 0
[246]	485	ENDIF
	486
[210]	487	CALL DVRP_THRESHOLD( m-1, tmp_th )
[392]	488
[210]	489	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
	490
[1]	491	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
	492
	493	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
[392]	494
[1]	495	!
	496	!-- DVRP-Calls for plotting slicers:
	497	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
	498
	499	!
	500	!-- Material and color definitions
[1353]	501	tmp_r = 0.0_wp; tmp_g = 0.0_wp; tmp_b = 0.0_wp; tmp_t = 0.0_wp
[210]	502	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
[1]	503
[284]	504	n_slicer = n_slicer + 1
	505
	506	!
	507	!-- Using dolorfunction has not been properly tested
	508	! islice_dvrp = n_slicer
	509	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
	510	! slicer_range_limits_dvrp(:,n_slicer), &
[1]	511	! color_dvrp )
	512
[284]	513	!
	514	!-- Set interval of values defining the colortable
	515	CALL set_slicer_attributes_dvrp( n_slicer )
	516
	517	!
	518	!-- Create user-defined colortable
[1]	519	CALL user_dvrp_coltab( 'slicer', output_variable )
	520
[1353]	521	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
	522	interval_h_dvrp, interval_l_dvrp, &
[1]	523	interval_s_dvrp, interval_a_dvrp )
	524
	525	!
	526	!-- Compute and plot slicer in dvr-format
[1353]	527	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
[1]	528	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
[262]	529	tmp_pos = slicer_position
	530	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
[106]	531
[1]	532	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
	533
	534	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
	535
	536	ENDIF
	537
	538	DEALLOCATE( local_pf )
	539
[210]	540	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
	541
	542	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
	543	DO i = nxl, nxr+1
	544	DO j = nys, nyn+1
	545	DO k = nzb, nz_do3d
	546	local_pfi(1,i,j,k) = u(k,j,i)
	547	local_pfi(2,i,j,k) = v(k,j,i)
	548	local_pfi(3,i,j,k) = w(k,j,i)
[1353]	549	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
	550	v(k,j,i) * v(k,j,i) + &
[210]	551	w(k,j,i) * w(k,j,i) )
[1353]	552	tmp_alpha = ACOS( 0.0_wp * u(k,j,i) / tmp_norm + &
	553	0.0_wp * v(k,j,i) / tmp_norm - &
	554	1.0_wp * w(k,j,i) / tmp_norm )
	555	tmp_alpha_w = tmp_alpha / pi * 180.0_wp
[210]	556	local_pfi(4,i,j,k) = tmp_alpha_w
	557	ENDDO
	558	ENDDO
	559	ENDDO
	560
	561	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
	562
	563	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
	564	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
	565	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
	566
	567	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
	568
	569	DEALLOCATE( local_pfi )
	570
[1]	571	ENDIF
	572
	573	m = m + 1
	574
	575	ENDDO
	576
	577	dvrp_filecount = dvrp_filecount + 1
	578
	579	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
	580
	581	#endif
	582	END SUBROUTINE data_output_dvrp

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