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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 2216

Last change on this file since 2216 was 2101, checked in by suehring, 8 years ago
last commit documented
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File size: 20.5 KB

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[1873]	1	!> @file data_output_dvrp.f90
[2000]	2	!------------------------------------------------------------------------------!
[1036]	3	! This file is part of PALM.
	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	!
[2101]	17	! Copyright 1997-2017 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 2101 2017-01-05 16:42:31Z suehring $
	27	!
[2001]	28	! 2000 2016-08-20 18:09:15Z knoop
	29	! Forced header and separation lines into 80 columns
	30	!
[1961]	31	! 1960 2016-07-12 16:34:24Z suehring
	32	! Separate humidity and passive scalar
	33	!
[1874]	34	! 1873 2016-04-18 14:50:06Z maronga
	35	! Module renamed (removed _mod)
	36	!
	37	!
[1851]	38	! 1850 2016-04-08 13:29:27Z maronga
	39	! Module renamed
	40	!
	41	!
[1823]	42	! 1822 2016-04-07 07:49:42Z hoffmann
	43	! Particles and tails removed.
	44	!
[1683]	45	! 1682 2015-10-07 23:56:08Z knoop
	46	! Code annotations made doxygen readable
	47	!
[1354]	48	! 1353 2014-04-08 15:21:23Z heinze
	49	! REAL constants provided with KIND-attribute
	50	!
[1347]	51	! 1346 2014-03-27 13:18:20Z heinze
	52	! Bugfix: REAL constants provided with KIND-attribute especially in call of
	53	! intrinsic function like MAX, MIN, SIGN
	54	!
[1321]	55	! 1320 2014-03-20 08:40:49Z raasch
[1320]	56	! ONLY-attribute added to USE-statements,
	57	! kind-parameters added to all INTEGER and REAL declaration statements,
	58	! kinds are defined in new module kinds,
	59	! revision history before 2012 removed,
	60	! comment fields (!:) to be used for variable explanations added to
	61	! all variable declaration statements
[1]	62	!
[1319]	63	! 1318 2014-03-17 13:35:16Z raasch
	64	! module interfaces removed
	65	!
[1037]	66	! 1036 2012-10-22 13:43:42Z raasch
	67	! code put under GPL (PALM 3.9)
	68	!
[829]	69	! 828 2012-02-21 12:00:36Z raasch
	70	! particle feature color renamed class
	71	!
[1]	72	! Revision 1.1 2000/04/27 06:27:17 raasch
	73	! Initial revision
	74	!
	75	!
	76	! Description:
	77	! ------------
[1822]	78	!> Plot of isosurface and slicers with dvrp-software
[1]	79	!------------------------------------------------------------------------------!
[1682]	80	MODULE dvrp_color
	81
[1036]	82
	83	USE dvrp_variables
[1320]	84
	85	USE kinds
[1036]	86
	87	IMPLICIT NONE
	88
	89	CONTAINS
	90
[1682]	91	!------------------------------------------------------------------------------!
	92	! Description:
	93	! ------------
	94	!> @todo Missing subroutine description.
	95	!------------------------------------------------------------------------------!
[1036]	96	SUBROUTINE color_dvrp( value, color )
	97
[1682]	98	REAL(wp), INTENT(IN) :: value !<
	99	REAL(wp), INTENT(OUT) :: color(4) !<
[1036]	100
[1682]	101	REAL(wp) :: scale !<
[1036]	102
[1320]	103	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
	104	( slicer_range_limits_dvrp(2,islice_dvrp) - &
[1036]	105	slicer_range_limits_dvrp(1,islice_dvrp) )
	106
[1353]	107	scale = MODULO( 180.0_wp + 180.0_wp * scale, 360.0_wp )
[1036]	108
[1320]	109	color = (/ scale, 0.5_wp, 1.0_wp, 0.0_wp /)
[1036]	110
	111	END SUBROUTINE color_dvrp
	112
	113	END MODULE dvrp_color
	114
	115
	116	RECURSIVE SUBROUTINE data_output_dvrp
	117
[1]	118	#if defined( __dvrp_graphics )
	119
[1320]	120	USE arrays_3d, &
[1960]	121	ONLY: p, pt, q, ql, s, ts, u, us, v, w, zu
[1320]	122
	123	USE cloud_parameters, &
	124	ONLY: l_d_cp, pt_d_t
	125
	126	USE constants, &
	127	ONLY: pi
	128
	129	USE control_parameters, &
	130	ONLY: cloud_droplets, cloud_physics, do2d, do3d, humidity, ibc_uv_b, &
	131	message_string, nz_do3d, passive_scalar, simulated_time, &
	132	threshold
	133
	134	USE cpulog, &
	135	ONLY: log_point, log_point_s, cpu_log
	136
[1]	137	USE DVRP
[1320]	138
[1]	139	USE dvrp_color
[1320]	140
[1]	141	USE dvrp_variables
[1320]	142
	143	USE grid_variables, &
	144	ONLY: dx, dy
	145
	146	USE indices, &
	147	ONLY: nxl, nxr, nyn, nys, nzb
	148
	149	USE kinds
[1822]	150
[1]	151	USE pegrid
	152
	153	IMPLICIT NONE
	154
[1682]	155	CHARACTER (LEN=2) :: section_chr !<
	156	CHARACTER (LEN=6) :: output_variable !<
[1320]	157
[1682]	158	INTEGER(iwp) :: c_mode !<
	159	INTEGER(iwp) :: c_size_x !<
	160	INTEGER(iwp) :: c_size_y !<
	161	INTEGER(iwp) :: c_size_z !<
	162	INTEGER(iwp) :: dvrp_nop !<
	163	INTEGER(iwp) :: dvrp_not !<
	164	INTEGER(iwp) :: gradient_normals !<
	165	INTEGER(iwp) :: i !<
	166	INTEGER(iwp) :: ip !<
	167	INTEGER(iwp) :: j !<
	168	INTEGER(iwp) :: jp !<
	169	INTEGER(iwp) :: k !<
	170	INTEGER(iwp) :: l !<
	171	INTEGER(iwp) :: m !<
	172	INTEGER(iwp) :: n !<
	173	INTEGER(iwp) :: n_isosurface !<
	174	INTEGER(iwp) :: n_slicer !<
	175	INTEGER(iwp) :: nn !<
	176	INTEGER(iwp) :: section_mode !<
	177	INTEGER(iwp) :: vn !<
	178	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: p_c !<
	179	INTEGER(iwp), DIMENSION(:), ALLOCATABLE :: p_t !<
[242]	180
[1682]	181	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask !<
[242]	182
[1682]	183	REAL(sp) :: slicer_position !<
	184	REAL(sp) :: tmp_alpha !<
	185	REAL(sp) :: tmp_alpha_w !<
	186	REAL(sp) :: tmp_b !<
	187	REAL(sp) :: tmp_c_alpha !<
	188	REAL(sp) :: tmp_g !<
	189	REAL(sp) :: tmp_norm !<
	190	REAL(sp) :: tmp_pos !<
	191	REAL(sp) :: tmp_r !<
	192	REAL(sp) :: tmp_t !<
	193	REAL(sp) :: tmp_th !<
	194	REAL(sp), DIMENSION(:), ALLOCATABLE :: psize !<
	195	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_x !<
	196	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_y !<
	197	REAL(sp), DIMENSION(:), ALLOCATABLE :: p_z !<
	198	REAL(sp), DIMENSION(:,:,:), ALLOCATABLE :: local_pf !<
	199	REAL(sp), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi !<
[1]	200
	201
	202	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
	203
	204	!
	205	!-- Loop over all output modes choosed
[284]	206	m = 1
	207	n_isosurface = 0 ! isosurface counter (for threshold values and color)
	208	n_slicer = 0 ! slice plane counter (for range of values)
[1]	209	DO WHILE ( mode_dvrp(m) /= ' ' )
	210	!
	211	!-- Update of the steering variables
	212	IF ( .NOT. lock_steering_update ) THEN
	213	!
	214	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
	215	lock_steering_update = .TRUE.
[210]	216	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
[1]	217	lock_steering_update = .FALSE.
	218	ENDIF
	219
	220	!
	221	!-- Determine the variable which shall be plotted (in case of slicers or
	222	!-- isosurfaces)
	223	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
[130]	224	READ ( mode_dvrp(m), '(10X,I2)' ) vn
[1]	225	output_variable = do3d(0,vn)
[284]	226	n_isosurface = n_isosurface + 1
[1]	227	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
[130]	228	READ ( mode_dvrp(m), '(6X,I2)' ) vn
[1]	229	output_variable = do2d(0,vn)
	230	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
	231	section_chr = do2d(0,vn)(l-1:l)
	232	SELECT CASE ( section_chr )
	233	CASE ( 'xy' )
	234	section_mode = 2
	235	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
	236	CASE ( 'xz' )
	237	section_mode = 1
	238	slicer_position = slicer_position_dvrp(m) * dy
	239	CASE ( 'yz' )
	240	section_mode = 0
	241	slicer_position = slicer_position_dvrp(m) * dx
	242	END SELECT
	243	ENDIF
	244
	245	!
	246	!-- Select the plot mode (in case of isosurface or slicer only if user has
	247	!-- defined a variable which shall be plotted; otherwise do nothing)
[1822]	248	IF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
[1353]	249	mode_dvrp(m)(1:6) == 'slicer' ) &
[1]	250	.AND. output_variable /= ' ' ) THEN
	251
	252	!
	253	!-- Create an intermediate array, properly dimensioned for plot-output
[1353]	254	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
[246]	255	nzb:nz_do3d) )
[1]	256
	257	!
	258	!-- Move original array to intermediate array
[246]	259	IF ( dvrp_overlap ) THEN
[1]	260
[246]	261	SELECT CASE ( output_variable )
	262
	263	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
	264	DO i = nxl_dvrp, nxr_dvrp+1
	265	DO j = nys_dvrp, nyn_dvrp+1
	266	DO k = nzb, nz_do3d
	267	local_pf(i,j,k) = u(k,j,i)
	268	ENDDO
[1]	269	ENDDO
	270	ENDDO
	271	!
[246]	272	!-- Replace mirrored values at lower surface by real surface
	273	!-- values
[1353]	274	IF ( output_variable == 'u_xz' .OR. &
[246]	275	output_variable == 'u_yz' ) THEN
[1353]	276	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
[246]	277	ENDIF
[1]	278
	279
[246]	280	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
	281	DO i = nxl_dvrp, nxr_dvrp+1
	282	DO j = nys_dvrp, nyn_dvrp+1
	283	DO k = nzb, nz_do3d
	284	local_pf(i,j,k) = v(k,j,i)
	285	ENDDO
[1]	286	ENDDO
	287	ENDDO
	288	!
[246]	289	!-- Replace mirrored values at lower surface by real surface
	290	!-- values
[1353]	291	IF ( output_variable == 'v_xz' .OR. &
[246]	292	output_variable == 'v_yz' ) THEN
[1353]	293	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0_wp
[246]	294	ENDIF
[1]	295
[246]	296	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
	297	DO i = nxl_dvrp, nxr_dvrp+1
	298	DO j = nys_dvrp, nyn_dvrp+1
	299	DO k = nzb, nz_do3d
	300	local_pf(i,j,k) = w(k,j,i)
	301	ENDDO
[1]	302	ENDDO
	303	ENDDO
[106]	304	! Averaging for Langmuir circulation
[246]	305	! DO k = nzb, nz_do3d
	306	! DO j = nys_dvrp+1, nyn_dvrp
	307	! DO i = nxl_dvrp, nxr_dvrp+1
	308	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
	309	! 0.50 * local_pf(i,j,k) + &
	310	! 0.25 * local_pf(i,j+1,k)
	311	! ENDDO
[106]	312	! ENDDO
	313	! ENDDO
[1]	314
[246]	315	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
	316	DO i = nxl_dvrp, nxr_dvrp+1
	317	DO j = nys_dvrp, nyn_dvrp+1
	318	DO k = nzb, nz_do3d
	319	local_pf(i,j,k) = p(k,j,i)
	320	ENDDO
[1]	321	ENDDO
	322	ENDDO
	323
[246]	324	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
	325	IF ( .NOT. cloud_physics ) THEN
	326	DO i = nxl_dvrp, nxr_dvrp+1
	327	DO j = nys_dvrp, nyn_dvrp+1
	328	DO k = nzb, nz_do3d
	329	local_pf(i,j,k) = pt(k,j,i)
	330	ENDDO
[1]	331	ENDDO
	332	ENDDO
[246]	333	ELSE
	334	DO i = nxl_dvrp, nxr_dvrp+1
	335	DO j = nys_dvrp, nyn_dvrp+1
	336	DO k = nzb, nz_do3d
[1353]	337	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
[246]	338	pt_d_t(k) * ql(k,j,i)
	339	ENDDO
[1]	340	ENDDO
	341	ENDDO
[246]	342	ENDIF
[1]	343
[246]	344	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
[1960]	345	IF ( humidity ) THEN
[246]	346	DO i = nxl_dvrp, nxr_dvrp+1
	347	DO j = nys_dvrp, nyn_dvrp+1
	348	DO k = nzb, nz_do3d
	349	local_pf(i,j,k) = q(k,j,i)
	350	ENDDO
[1]	351	ENDDO
[246]	352	ENDDO
[254]	353	ELSE
[1960]	354	message_string = 'if humidity = ' // &
[1353]	355	'FALSE output of ' // TRIM( output_variable ) // &
[274]	356	'is not provided'
	357	CALL message( 'data_output_dvrp', 'PA0183',&
	358	0, 0, 0, 6, 0 )
[1]	359	ENDIF
	360
[246]	361	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
	362	IF ( cloud_physics .OR. cloud_droplets ) THEN
	363	DO i = nxl_dvrp, nxr_dvrp+1
	364	DO j = nys_dvrp, nyn_dvrp+1
	365	DO k = nzb, nz_do3d
	366	local_pf(i,j,k) = ql(k,j,i)
	367	ENDDO
[1]	368	ENDDO
	369	ENDDO
[254]	370	ELSE
[1353]	371	message_string = 'if cloud_physics = FALSE ' // &
	372	'output of ' // TRIM( output_variable) // &
[274]	373	'is not provided'
	374	CALL message( 'data_output_dvrp', 'PA0184',&
	375	0, 0, 0, 6, 0 )
[1]	376	ENDIF
	377
[1960]	378	CASE ( 's', 's_xy', 's_xz', 's_yz' )
	379	IF ( passive_scalar ) THEN
	380	DO i = nxl_dvrp, nxr_dvrp+1
	381	DO j = nys_dvrp, nyn_dvrp+1
	382	DO k = nzb, nz_do3d
	383	local_pf(i,j,k) = s(k,j,i)
	384	ENDDO
	385	ENDDO
	386	ENDDO
	387	ELSE
	388	message_string = 'if passive_scalar = ' // &
	389	'FALSE output of ' // TRIM( output_variable ) // &
	390	'is not provided'
	391	CALL message( 'data_output_dvrp', 'PA0183',&
	392	0, 0, 0, 6, 0 )
	393	ENDIF
	394
[246]	395	CASE ( 'u*_xy' )
	396	DO i = nxl_dvrp, nxr_dvrp+1
	397	DO j = nys_dvrp, nyn_dvrp+1
	398	local_pf(i,j,nzb+1) = us(j,i)
	399	ENDDO
[1]	400	ENDDO
[246]	401	slicer_position = zu(nzb+1)
[1]	402
[246]	403	CASE ( 't*_xy' )
	404	DO i = nxl_dvrp, nxr_dvrp+1
	405	DO j = nys_dvrp, nyn_dvrp+1
	406	local_pf(i,j,nzb+1) = ts(j,i)
	407	ENDDO
[1]	408	ENDDO
[246]	409	slicer_position = zu(nzb+1)
[1]	410
	411
[246]	412	CASE DEFAULT
[130]	413	!
[246]	414	!-- The DEFAULT case is reached either if output_variable
	415	!-- contains unsupported variable or if the user has coded a
	416	!-- special case in the user interface. There, the subroutine
	417	!-- user_data_output_dvrp checks which of these two conditions
	418	!-- applies.
	419	CALL user_data_output_dvrp( output_variable, local_pf )
[1]	420
[130]	421
[246]	422	END SELECT
[1]	423
[264]	424	ELSE
	425	!
	426	!-- No overlap of clipping domain with the current subdomain
	427	DO i = nxl_dvrp, nxr_dvrp+1
	428	DO j = nys_dvrp, nyn_dvrp+1
	429	DO k = nzb, nz_do3d
[1353]	430	local_pf(i,j,k) = 0.0_wp
[264]	431	ENDDO
	432	ENDDO
	433	ENDDO
	434
[246]	435	ENDIF
[1]	436
	437	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
[392]	438
[1]	439	!
	440	!-- DVRP-Calls for plotting isosurfaces:
	441	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
	442
	443	!
[284]	444	!-- Definition of isosurface color
	445	tmp_r = isosurface_color(1,n_isosurface)
	446	tmp_g = isosurface_color(2,n_isosurface)
	447	tmp_b = isosurface_color(3,n_isosurface)
[1353]	448	tmp_t = 0.0_wp
[284]	449	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
[1]	450
	451	!
	452	!-- Compute and plot isosurface in dvr-format
[1353]	453	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
[1]	454	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
[210]	455
	456	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
	457	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
	458
	459	c_mode = vc_mode
	460	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
	461
	462	gradient_normals = vc_gradient_normals
	463	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
[392]	464
[210]	465	!
	466	!-- A seperate procedure for setting vc_alpha will be in the next
	467	!-- version of libDVRP
	468	tmp_c_alpha = vc_alpha
	469	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
	470
[246]	471	IF ( dvrp_overlap ) THEN
[284]	472	tmp_th = threshold(n_isosurface)
[246]	473	ELSE
[1353]	474	tmp_th = 1.0_wp ! nothing is plotted because array values are 0
[246]	475	ENDIF
	476
[210]	477	CALL DVRP_THRESHOLD( m-1, tmp_th )
[392]	478
[210]	479	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
	480
[1]	481	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
	482
	483	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
[392]	484
[1]	485	!
	486	!-- DVRP-Calls for plotting slicers:
	487	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
	488
	489	!
	490	!-- Material and color definitions
[1353]	491	tmp_r = 0.0_wp; tmp_g = 0.0_wp; tmp_b = 0.0_wp; tmp_t = 0.0_wp
[210]	492	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
[1]	493
[284]	494	n_slicer = n_slicer + 1
	495
	496	!
	497	!-- Using dolorfunction has not been properly tested
	498	! islice_dvrp = n_slicer
	499	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
	500	! slicer_range_limits_dvrp(:,n_slicer), &
[1]	501	! color_dvrp )
	502
[284]	503	!
	504	!-- Set interval of values defining the colortable
	505	CALL set_slicer_attributes_dvrp( n_slicer )
	506
	507	!
	508	!-- Create user-defined colortable
[1]	509	CALL user_dvrp_coltab( 'slicer', output_variable )
	510
[1353]	511	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
	512	interval_h_dvrp, interval_l_dvrp, &
[1]	513	interval_s_dvrp, interval_a_dvrp )
	514
	515	!
	516	!-- Compute and plot slicer in dvr-format
[1353]	517	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
[1]	518	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
[262]	519	tmp_pos = slicer_position
	520	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
[106]	521
[1]	522	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
	523
	524	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
	525
	526	ENDIF
	527
	528	DEALLOCATE( local_pf )
	529
[210]	530	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
	531
	532	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
	533	DO i = nxl, nxr+1
	534	DO j = nys, nyn+1
	535	DO k = nzb, nz_do3d
	536	local_pfi(1,i,j,k) = u(k,j,i)
	537	local_pfi(2,i,j,k) = v(k,j,i)
	538	local_pfi(3,i,j,k) = w(k,j,i)
[1353]	539	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
	540	v(k,j,i) * v(k,j,i) + &
[210]	541	w(k,j,i) * w(k,j,i) )
[1353]	542	tmp_alpha = ACOS( 0.0_wp * u(k,j,i) / tmp_norm + &
	543	0.0_wp * v(k,j,i) / tmp_norm - &
	544	1.0_wp * w(k,j,i) / tmp_norm )
	545	tmp_alpha_w = tmp_alpha / pi * 180.0_wp
[210]	546	local_pfi(4,i,j,k) = tmp_alpha_w
	547	ENDDO
	548	ENDDO
	549	ENDDO
	550
	551	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
	552
	553	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
	554	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
	555	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
	556
	557	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
	558
	559	DEALLOCATE( local_pfi )
	560
[1]	561	ENDIF
	562
	563	m = m + 1
	564
	565	ENDDO
	566
	567	dvrp_filecount = dvrp_filecount + 1
	568
	569	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
	570
	571	#endif
	572	END SUBROUTINE data_output_dvrp

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