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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 1036

Last change on this file since 1036 was 1036, checked in by raasch, 12 years ago
code has been put under the GNU General Public License (v3)
Property svn:keywords set to `Id`
File size: 22.9 KB

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1	!--------------------------------------------------------------------------------!
2	! This file is part of PALM.
3	!
4	! PALM is free software: you can redistribute it and/or modify it under the terms
5	! of the GNU General Public License as published by the Free Software Foundation,
6	! either version 3 of the License, or (at your option) any later version.
7	!
8	! PALM is distributed in the hope that it will be useful, but WITHOUT ANY
9	! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
10	! A PARTICULAR PURPOSE. See the GNU General Public License for more details.
11	!
12	! You should have received a copy of the GNU General Public License along with
13	! PALM. If not, see <http://www.gnu.org/licenses/>.
14	!
15	! Copyright 1997-2012 Leibniz University Hannover
16	!--------------------------------------------------------------------------------!
17	!
18	! Current revisions:
19	! -----------------
20	!
21	!
22	! Former revisions:
23	! -----------------
24	! $Id: data_output_dvrp.f90 1036 2012-10-22 13:43:42Z raasch $
25	!
26	! 828 2012-02-21 12:00:36Z raasch
27	! particle feature color renamed class
28	!
29	! 287 2009-04-09 08:59:36Z raasch
30	! Clipping of dvr-output implemented, using a default colourtable for
31	! particles,
32	! output of messages replaced by message handling routine.
33	!
34	! 210 2008-11-06 08:54:02Z raasch
35	! DVRP arguments changed to single precision, mode pathlines added
36	!
37	! 130 2007-11-13 14:08:40Z letzel
38	! allow two instead of one digit to specify isosurface and slicer variables
39	! for unknown variables (CASE DEFAULT) call new subroutine
40	! user_data_output_dvrp
41	!
42	! 82 2007-04-16 15:40:52Z raasch
43	! Preprocessor strings for different linux clusters changed to "lc",
44	! routine local_flush is used for buffer flushing
45	!
46	! 75 2007-03-22 09:54:05Z raasch
47	! Particles-package is now part of the default code,
48	! moisture renamed humidity
49	!
50	! RCS Log replace by Id keyword, revision history cleaned up
51	!
52	! Revision 1.13 2006/02/23 10:25:12 raasch
53	! Former routine plot_dvrp renamed data_output_dvrp,
54	! Only a fraction of the particles may have a tail,
55	! pl.. replaced by do.., %size renamed %dvrp_psize
56	!
57	! Revision 1.1 2000/04/27 06:27:17 raasch
58	! Initial revision
59	!
60	!
61	! Description:
62	! ------------
63	! Plot of isosurface, particles and slicers with dvrp-software
64	!------------------------------------------------------------------------------!
65
66	MODULE dvrp_color
67
68	USE dvrp_variables
69
70	IMPLICIT NONE
71
72	CONTAINS
73
74	SUBROUTINE color_dvrp( value, color )
75
76	REAL, INTENT(IN) :: value
77	REAL, INTENT(OUT) :: color(4)
78
79	REAL :: scale
80
81	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
82	( slicer_range_limits_dvrp(2,islice_dvrp) - &
83	slicer_range_limits_dvrp(1,islice_dvrp) )
84
85	scale = MODULO( 180.0 + 180.0 * scale, 360.0 )
86
87	color = (/ scale, 0.5, 1.0, 0.0 /)
88
89	END SUBROUTINE color_dvrp
90
91	END MODULE dvrp_color
92
93
94	RECURSIVE SUBROUTINE data_output_dvrp
95
96	#if defined( __dvrp_graphics )
97
98	USE arrays_3d
99	USE cloud_parameters
100	USE constants
101	USE control_parameters
102	USE cpulog
103	USE DVRP
104	USE dvrp_color
105	USE dvrp_variables
106	USE grid_variables
107	USE indices
108	USE interfaces
109	USE particle_attributes
110	USE pegrid
111
112	IMPLICIT NONE
113
114	CHARACTER (LEN=2) :: section_chr
115	CHARACTER (LEN=6) :: output_variable
116	INTEGER :: c_mode, c_size_x, c_size_y, c_size_z, dvrp_nop, dvrp_not, &
117	gradient_normals, i, ip, j, jp, k, l, m, n, n_isosurface, &
118	n_slicer, nn, section_mode, vn
119	INTEGER, DIMENSION(:), ALLOCATABLE :: p_c, p_t
120
121	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask
122
123	REAL(4) :: slicer_position, tmp_alpha, tmp_alpha_w, tmp_b, tmp_c_alpha, &
124	tmp_g, tmp_norm, tmp_pos, tmp_r, tmp_t, tmp_th
125	REAL(4), DIMENSION(:), ALLOCATABLE :: psize, p_x, p_y, p_z
126	REAL(4), DIMENSION(:,:,:), ALLOCATABLE :: local_pf
127	REAL(4), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi
128
129
130	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
131
132	!
133	!-- Loop over all output modes choosed
134	m = 1
135	n_isosurface = 0 ! isosurface counter (for threshold values and color)
136	n_slicer = 0 ! slice plane counter (for range of values)
137	DO WHILE ( mode_dvrp(m) /= ' ' )
138	!
139	!-- Update of the steering variables
140	IF ( .NOT. lock_steering_update ) THEN
141	!
142	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
143	lock_steering_update = .TRUE.
144	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
145	lock_steering_update = .FALSE.
146	ENDIF
147
148	!
149	!-- Determine the variable which shall be plotted (in case of slicers or
150	!-- isosurfaces)
151	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
152	READ ( mode_dvrp(m), '(10X,I2)' ) vn
153	output_variable = do3d(0,vn)
154	n_isosurface = n_isosurface + 1
155	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
156	READ ( mode_dvrp(m), '(6X,I2)' ) vn
157	output_variable = do2d(0,vn)
158	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
159	section_chr = do2d(0,vn)(l-1:l)
160	SELECT CASE ( section_chr )
161	CASE ( 'xy' )
162	section_mode = 2
163	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
164	CASE ( 'xz' )
165	section_mode = 1
166	slicer_position = slicer_position_dvrp(m) * dy
167	CASE ( 'yz' )
168	section_mode = 0
169	slicer_position = slicer_position_dvrp(m) * dx
170	END SELECT
171	ENDIF
172
173	!
174	!-- Select the plot mode (in case of isosurface or slicer only if user has
175	!-- defined a variable which shall be plotted; otherwise do nothing)
176	IF ( mode_dvrp(m)(1:9) == 'particles' .AND. particle_advection .AND. &
177	simulated_time >= particle_advection_start ) THEN
178	!
179	!-- DVRP-Calls for plotting particles:
180	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'start' )
181
182	!
183	!-- Definition of characteristics of particle material
184	! tmp_r = 0.1; tmp_g = 0.7; tmp_b = 0.1; tmp_t = 0.0
185	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
186	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
187
188	!
189	!-- If clipping is active and if this subdomain is clipped, find out the
190	!-- number of particles and tails to be plotted; otherwise, all
191	!-- particles/tails are plotted. dvrp_mask is used to mark the partikles.
192	ALLOCATE( dvrp_mask(number_of_particles) )
193
194	IF ( dvrp_total_overlap ) THEN
195	dvrp_mask = .TRUE.
196	dvrp_nop = number_of_particles
197	dvrp_not = number_of_tails
198	ELSE
199	dvrp_mask = .FALSE.
200	dvrp_nop = 0
201	dvrp_not = 0
202	IF ( dvrp_overlap ) THEN
203	IF ( .NOT. use_particle_tails ) THEN
204	DO n = 1, number_of_particles
205	ip = particles(n)%x / dx
206	jp = particles(n)%y / dy
207	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
208	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
209	dvrp_nop = dvrp_nop + 1
210	dvrp_mask(n) = .TRUE.
211	ENDIF
212	ENDDO
213	ELSE
214	k = 0
215	DO n = 1, number_of_particles
216	IF ( particles(n)%tail_id /= 0 ) THEN
217	k = k + 1
218	ip = particles(n)%x / dx
219	jp = particles(n)%y / dy
220	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
221	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
222	dvrp_not = dvrp_not + 1
223	dvrp_mask(n) = .TRUE.
224	ENDIF
225	ENDIF
226	ENDDO
227	ENDIF
228	ENDIF
229	ENDIF
230
231	!
232	!-- Move particle coordinates to one-dimensional arrays
233	IF ( .NOT. use_particle_tails ) THEN
234	!
235	!-- All particles are output
236	ALLOCATE( psize(dvrp_nop), p_t(dvrp_nop), p_c(dvrp_nop), &
237	p_x(dvrp_nop), p_y(dvrp_nop), p_z(dvrp_nop) )
238	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
239	p_z = 0.0
240	k = 0
241	DO n = 1, number_of_particles
242	IF ( dvrp_mask(n) ) THEN
243	k = k + 1
244	psize(k) = particles(n)%dvrp_psize
245	p_x(k) = particles(n)%x * superelevation_x
246	p_y(k) = particles(n)%y * superelevation_y
247	p_z(k) = particles(n)%z * superelevation
248	p_c(k) = particles(n)%class
249	ENDIF
250	ENDDO
251	ELSE
252	!
253	!-- Particles have a tail
254	ALLOCATE( psize(dvrp_not), p_t(dvrp_not), &
255	p_c(dvrp_not*maximum_number_of_tailpoints), &
256	p_x(dvrp_not*maximum_number_of_tailpoints), &
257	p_y(dvrp_not*maximum_number_of_tailpoints), &
258	p_z(dvrp_not*maximum_number_of_tailpoints) )
259	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
260	p_z = 0.0;
261	i = 0
262	k = 0
263
264	DO n = 1, number_of_particles
265	nn = particles(n)%tail_id
266	IF ( nn /= 0 .AND. dvrp_mask(n) ) THEN
267	k = k + 1
268	DO j = 1, particles(n)%tailpoints
269	i = i + 1
270	p_x(i) = particle_tail_coordinates(j,1,nn) * &
271	superelevation_x
272	p_y(i) = particle_tail_coordinates(j,2,nn) * &
273	superelevation_y
274	p_z(i) = particle_tail_coordinates(j,3,nn) * &
275	superelevation
276	p_c(i) = particle_tail_coordinates(j,4,nn)
277	ENDDO
278	psize(k) = particles(n)%dvrp_psize
279	p_t(k) = particles(n)%tailpoints - 1
280	ENDIF
281	ENDDO
282	ENDIF
283
284	!
285	!-- Compute and plot particles in dvr-format
286	IF ( uniform_particles .AND. .NOT. use_particle_tails ) THEN
287	!
288	!-- All particles have the same color. Use simple routine to set
289	!-- the particle attributes (produces less output data)
290	CALL DVRP_PARTICLES( m-1, p_x, p_y, p_z, psize )
291	ELSE
292	!
293	!-- Set color definitions
294	CALL user_dvrp_coltab( 'particles', 'none' )
295
296	CALL DVRP_COLORTABLE_HLS( m-1, 0, interval_values_dvrp_prt, &
297	interval_h_dvrp_prt, &
298	interval_l_dvrp_prt, &
299	interval_s_dvrp_prt, &
300	interval_a_dvrp_prt )
301
302	IF ( .NOT. use_particle_tails ) THEN
303	CALL DVRP_PARTICLES( m-1, dvrp_nop, p_x, p_y, p_z, 3, psize, &
304	p_c, p_t )
305	ELSE
306	CALL DVRP_PARTICLES( m-1, dvrp_not, p_x, p_y, p_z, 15, psize, &
307	p_c, p_t )
308	ENDIF
309	ENDIF
310
311	CALL DVRP_VISUALIZE( m-1, 3, dvrp_filecount )
312
313	DEALLOCATE( dvrp_mask, psize, p_c, p_t, p_x, p_y, p_z )
314
315	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'stop' )
316
317
318	ELSEIF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
319	mode_dvrp(m)(1:6) == 'slicer' ) &
320	.AND. output_variable /= ' ' ) THEN
321
322	!
323	!-- Create an intermediate array, properly dimensioned for plot-output
324	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
325	nzb:nz_do3d) )
326
327	!
328	!-- Move original array to intermediate array
329	IF ( dvrp_overlap ) THEN
330
331	SELECT CASE ( output_variable )
332
333	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
334	DO i = nxl_dvrp, nxr_dvrp+1
335	DO j = nys_dvrp, nyn_dvrp+1
336	DO k = nzb, nz_do3d
337	local_pf(i,j,k) = u(k,j,i)
338	ENDDO
339	ENDDO
340	ENDDO
341	!
342	!-- Replace mirrored values at lower surface by real surface
343	!-- values
344	IF ( output_variable == 'u_xz' .OR. &
345	output_variable == 'u_yz' ) THEN
346	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
347	ENDIF
348
349
350	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
351	DO i = nxl_dvrp, nxr_dvrp+1
352	DO j = nys_dvrp, nyn_dvrp+1
353	DO k = nzb, nz_do3d
354	local_pf(i,j,k) = v(k,j,i)
355	ENDDO
356	ENDDO
357	ENDDO
358	!
359	!-- Replace mirrored values at lower surface by real surface
360	!-- values
361	IF ( output_variable == 'v_xz' .OR. &
362	output_variable == 'v_yz' ) THEN
363	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
364	ENDIF
365
366	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
367	DO i = nxl_dvrp, nxr_dvrp+1
368	DO j = nys_dvrp, nyn_dvrp+1
369	DO k = nzb, nz_do3d
370	local_pf(i,j,k) = w(k,j,i)
371	ENDDO
372	ENDDO
373	ENDDO
374	! Averaging for Langmuir circulation
375	! DO k = nzb, nz_do3d
376	! DO j = nys_dvrp+1, nyn_dvrp
377	! DO i = nxl_dvrp, nxr_dvrp+1
378	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
379	! 0.50 * local_pf(i,j,k) + &
380	! 0.25 * local_pf(i,j+1,k)
381	! ENDDO
382	! ENDDO
383	! ENDDO
384
385	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
386	DO i = nxl_dvrp, nxr_dvrp+1
387	DO j = nys_dvrp, nyn_dvrp+1
388	DO k = nzb, nz_do3d
389	local_pf(i,j,k) = p(k,j,i)
390	ENDDO
391	ENDDO
392	ENDDO
393
394	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
395	IF ( .NOT. cloud_physics ) THEN
396	DO i = nxl_dvrp, nxr_dvrp+1
397	DO j = nys_dvrp, nyn_dvrp+1
398	DO k = nzb, nz_do3d
399	local_pf(i,j,k) = pt(k,j,i)
400	ENDDO
401	ENDDO
402	ENDDO
403	ELSE
404	DO i = nxl_dvrp, nxr_dvrp+1
405	DO j = nys_dvrp, nyn_dvrp+1
406	DO k = nzb, nz_do3d
407	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
408	pt_d_t(k) * ql(k,j,i)
409	ENDDO
410	ENDDO
411	ENDDO
412	ENDIF
413
414	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
415	IF ( humidity .OR. passive_scalar ) THEN
416	DO i = nxl_dvrp, nxr_dvrp+1
417	DO j = nys_dvrp, nyn_dvrp+1
418	DO k = nzb, nz_do3d
419	local_pf(i,j,k) = q(k,j,i)
420	ENDDO
421	ENDDO
422	ENDDO
423	ELSE
424	message_string = 'if humidity/passive_scalar = ' // &
425	'FALSE output of ' // TRIM( output_variable ) // &
426	'is not provided'
427	CALL message( 'data_output_dvrp', 'PA0183',&
428	0, 0, 0, 6, 0 )
429	ENDIF
430
431	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
432	IF ( cloud_physics .OR. cloud_droplets ) THEN
433	DO i = nxl_dvrp, nxr_dvrp+1
434	DO j = nys_dvrp, nyn_dvrp+1
435	DO k = nzb, nz_do3d
436	local_pf(i,j,k) = ql(k,j,i)
437	ENDDO
438	ENDDO
439	ENDDO
440	ELSE
441	message_string = 'if cloud_physics = FALSE ' // &
442	'output of ' // TRIM( output_variable) // &
443	'is not provided'
444	CALL message( 'data_output_dvrp', 'PA0184',&
445	0, 0, 0, 6, 0 )
446	ENDIF
447
448	CASE ( 'u*_xy' )
449	DO i = nxl_dvrp, nxr_dvrp+1
450	DO j = nys_dvrp, nyn_dvrp+1
451	local_pf(i,j,nzb+1) = us(j,i)
452	ENDDO
453	ENDDO
454	slicer_position = zu(nzb+1)
455
456	CASE ( 't*_xy' )
457	DO i = nxl_dvrp, nxr_dvrp+1
458	DO j = nys_dvrp, nyn_dvrp+1
459	local_pf(i,j,nzb+1) = ts(j,i)
460	ENDDO
461	ENDDO
462	slicer_position = zu(nzb+1)
463
464
465	CASE DEFAULT
466	!
467	!-- The DEFAULT case is reached either if output_variable
468	!-- contains unsupported variable or if the user has coded a
469	!-- special case in the user interface. There, the subroutine
470	!-- user_data_output_dvrp checks which of these two conditions
471	!-- applies.
472	CALL user_data_output_dvrp( output_variable, local_pf )
473
474
475	END SELECT
476
477	ELSE
478	!
479	!-- No overlap of clipping domain with the current subdomain
480	DO i = nxl_dvrp, nxr_dvrp+1
481	DO j = nys_dvrp, nyn_dvrp+1
482	DO k = nzb, nz_do3d
483	local_pf(i,j,k) = 0.0
484	ENDDO
485	ENDDO
486	ENDDO
487
488	ENDIF
489
490	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
491
492	!
493	!-- DVRP-Calls for plotting isosurfaces:
494	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
495
496	!
497	!-- Definition of isosurface color
498	tmp_r = isosurface_color(1,n_isosurface)
499	tmp_g = isosurface_color(2,n_isosurface)
500	tmp_b = isosurface_color(3,n_isosurface)
501	tmp_t = 0.0
502	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
503
504	!
505	!-- Compute and plot isosurface in dvr-format
506	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
507	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
508
509	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
510	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
511
512	c_mode = vc_mode
513	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
514
515	gradient_normals = vc_gradient_normals
516	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
517
518	!
519	!-- A seperate procedure for setting vc_alpha will be in the next
520	!-- version of libDVRP
521	tmp_c_alpha = vc_alpha
522	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
523
524	IF ( dvrp_overlap ) THEN
525	tmp_th = threshold(n_isosurface)
526	ELSE
527	tmp_th = 1.0 ! nothing is plotted because array values are 0
528	ENDIF
529
530	CALL DVRP_THRESHOLD( m-1, tmp_th )
531
532	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
533
534	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
535
536	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
537
538	!
539	!-- DVRP-Calls for plotting slicers:
540	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
541
542	!
543	!-- Material and color definitions
544	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
545	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
546
547	n_slicer = n_slicer + 1
548
549	!
550	!-- Using dolorfunction has not been properly tested
551	! islice_dvrp = n_slicer
552	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
553	! slicer_range_limits_dvrp(:,n_slicer), &
554	! color_dvrp )
555
556	!
557	!-- Set interval of values defining the colortable
558	CALL set_slicer_attributes_dvrp( n_slicer )
559
560	!
561	!-- Create user-defined colortable
562	CALL user_dvrp_coltab( 'slicer', output_variable )
563
564	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
565	interval_h_dvrp, interval_l_dvrp, &
566	interval_s_dvrp, interval_a_dvrp )
567
568	!
569	!-- Compute and plot slicer in dvr-format
570	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
571	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
572	tmp_pos = slicer_position
573	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
574
575	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
576
577	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
578
579	ENDIF
580
581	DEALLOCATE( local_pf )
582
583	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
584
585	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
586	DO i = nxl, nxr+1
587	DO j = nys, nyn+1
588	DO k = nzb, nz_do3d
589	local_pfi(1,i,j,k) = u(k,j,i)
590	local_pfi(2,i,j,k) = v(k,j,i)
591	local_pfi(3,i,j,k) = w(k,j,i)
592	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
593	v(k,j,i) * v(k,j,i) + &
594	w(k,j,i) * w(k,j,i) )
595	tmp_alpha = ACOS( 0.0 * u(k,j,i) / tmp_norm + &
596	0.0 * v(k,j,i) / tmp_norm - &
597	1.0 * w(k,j,i) / tmp_norm )
598	tmp_alpha_w = tmp_alpha / pi * 180.0
599	local_pfi(4,i,j,k) = tmp_alpha_w
600	ENDDO
601	ENDDO
602	ENDDO
603
604	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
605
606	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
607	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
608	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
609
610	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
611
612	DEALLOCATE( local_pfi )
613
614	ENDIF
615
616	m = m + 1
617
618	ENDDO
619
620	dvrp_filecount = dvrp_filecount + 1
621
622	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
623
624	#endif
625	END SUBROUTINE data_output_dvrp

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