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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 263

Last change on this file since 263 was 262, checked in by raasch, 16 years ago
further updates for dvr output, bugfix in advec_particles concerning particle boundary condition
Property svn:keywords set to `Id`
File size: 22.4 KB

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1	MODULE dvrp_color
2
3	USE dvrp_variables
4
5	IMPLICIT NONE
6
7	CONTAINS
8
9	SUBROUTINE color_dvrp( value, color )
10
11	REAL, INTENT(IN) :: value
12	REAL, INTENT(OUT) :: color(4)
13
14	REAL :: scale
15
16	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
17	( slicer_range_limits_dvrp(2,islice_dvrp) - &
18	slicer_range_limits_dvrp(1,islice_dvrp) )
19
20	scale = MODULO( 180.0 + 180.0 * scale, 360.0 )
21
22	color = (/ scale, 0.5, 1.0, 0.0 /)
23
24	END SUBROUTINE color_dvrp
25
26	END MODULE dvrp_color
27
28
29	RECURSIVE SUBROUTINE data_output_dvrp
30
31	!------------------------------------------------------------------------------!
32	! Current revisions:
33	! -----------------
34	! Clipping of dvr-output implemented,
35	! output of messages replaced by message handling routine.
36	! TEST: different colours for isosurfaces
37	!
38	! Former revisions:
39	! -----------------
40	! $Id: data_output_dvrp.f90 262 2009-03-18 08:32:37Z heinze $
41	!
42	! 210 2008-11-06 08:54:02Z raasch
43	! DVRP arguments changed to single precision, mode pathlines added
44	!
45	! 130 2007-11-13 14:08:40Z letzel
46	! allow two instead of one digit to specify isosurface and slicer variables
47	! for unknown variables (CASE DEFAULT) call new subroutine
48	! user_data_output_dvrp
49	!
50	! 82 2007-04-16 15:40:52Z raasch
51	! Preprocessor strings for different linux clusters changed to "lc",
52	! routine local_flush is used for buffer flushing
53	!
54	! 75 2007-03-22 09:54:05Z raasch
55	! Particles-package is now part of the default code,
56	! moisture renamed humidity
57	!
58	! RCS Log replace by Id keyword, revision history cleaned up
59	!
60	! Revision 1.13 2006/02/23 10:25:12 raasch
61	! Former routine plot_dvrp renamed data_output_dvrp,
62	! Only a fraction of the particles may have a tail,
63	! pl.. replaced by do.., %size renamed %dvrp_psize
64	!
65	! Revision 1.1 2000/04/27 06:27:17 raasch
66	! Initial revision
67	!
68	!
69	! Description:
70	! ------------
71	! Plot of isosurface, particles and slicers with dvrp-software
72	!------------------------------------------------------------------------------!
73	#if defined( __dvrp_graphics )
74
75	USE arrays_3d
76	USE cloud_parameters
77	USE constants
78	USE control_parameters
79	USE cpulog
80	USE DVRP
81	USE dvrp_color
82	USE dvrp_variables
83	USE grid_variables
84	USE indices
85	USE interfaces
86	USE particle_attributes
87	USE pegrid
88
89	IMPLICIT NONE
90
91	CHARACTER (LEN=2) :: section_chr
92	CHARACTER (LEN=6) :: output_variable
93	INTEGER :: c_mode, c_size_x, c_size_y, c_size_z, dvrp_nop, dvrp_not, &
94	gradient_normals, i, ip, j, jp, k, l, m, n, nn, section_mode, &
95	tv, vn
96	INTEGER, DIMENSION(:), ALLOCATABLE :: p_c, p_t
97
98	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask
99
100	REAL(4) :: center(3), distance, slicer_position, surface_value, &
101	tmp_alpha, tmp_alpha_w, tmp_b, tmp_c_alpha, tmp_g, tmp_norm, &
102	tmp_pos, tmp_r, tmp_t, tmp_th
103	REAL(4), DIMENSION(:), ALLOCATABLE :: psize, p_x, p_y, p_z
104	REAL(4), DIMENSION(:,:,:), ALLOCATABLE :: local_pf
105	REAL(4), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi
106
107
108	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
109
110	!
111	!-- Loop over all output modes choosed
112	m = 1
113	tv = 0 ! threshold counter
114	islice_dvrp = 0 ! slice plane counter
115	DO WHILE ( mode_dvrp(m) /= ' ' )
116	!
117	!-- Update of the steering variables
118	IF ( .NOT. lock_steering_update ) THEN
119	!
120	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
121	lock_steering_update = .TRUE.
122	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
123	lock_steering_update = .FALSE.
124	ENDIF
125
126	!
127	!-- Determine the variable which shall be plotted (in case of slicers or
128	!-- isosurfaces)
129	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
130	READ ( mode_dvrp(m), '(10X,I2)' ) vn
131	output_variable = do3d(0,vn)
132	tv = tv + 1
133	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
134	READ ( mode_dvrp(m), '(6X,I2)' ) vn
135	output_variable = do2d(0,vn)
136	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
137	section_chr = do2d(0,vn)(l-1:l)
138	SELECT CASE ( section_chr )
139	CASE ( 'xy' )
140	section_mode = 2
141	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
142	CASE ( 'xz' )
143	section_mode = 1
144	slicer_position = slicer_position_dvrp(m) * dy
145	CASE ( 'yz' )
146	section_mode = 0
147	slicer_position = slicer_position_dvrp(m) * dx
148	END SELECT
149	ENDIF
150
151	!
152	!-- Select the plot mode (in case of isosurface or slicer only if user has
153	!-- defined a variable which shall be plotted; otherwise do nothing)
154	IF ( mode_dvrp(m)(1:9) == 'particles' .AND. particle_advection .AND. &
155	simulated_time >= particle_advection_start ) THEN
156	!
157	!-- DVRP-Calls for plotting particles:
158	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'start' )
159
160	!
161	!-- Definition of characteristics of particle material
162	! tmp_r = 0.1; tmp_g = 0.7; tmp_b = 0.1; tmp_t = 0.0
163	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
164	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
165
166	!
167	!-- If clipping is active and if this subdomain is clipped, find out the
168	!-- number of particles and tails to be plotted; otherwise, all
169	!-- particles/tails are plotted. dvrp_mask is used to mark the partikles.
170	! IF ( .NOT. use_particle_tails ) THEN
171	ALLOCATE( dvrp_mask(number_of_particles) )
172	! ELSE
173	! ALLOCATE( dvrp_mask(number_of_tails*maximum_number_of_tailpoints) )
174	! ENDIF
175	dvrp_mask = .TRUE.
176	IF ( dvrp_total_overlap ) THEN
177	dvrp_nop = number_of_particles
178	dvrp_not = number_of_tails
179	ELSE
180	dvrp_nop = 0
181	dvrp_not = 0
182	IF ( dvrp_overlap ) THEN
183	IF ( .NOT. use_particle_tails ) THEN
184	DO n = 1, number_of_particles
185	ip = particles(n)%x / dx
186	jp = particles(n)%y / dy
187	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
188	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
189	dvrp_nop = dvrp_nop + 1
190	ELSE
191	dvrp_mask(n) = .FALSE.
192	ENDIF
193	ENDDO
194	ELSE
195	k = 0
196	DO n = 1, number_of_particles
197	IF ( particles(n)%tail_id /= 0 ) THEN
198	k = k + 1
199	ip = particles(n)%x / dx
200	jp = particles(n)%y / dy
201	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
202	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
203	dvrp_not = dvrp_not + 1
204	ELSE
205	dvrp_mask(n) = .FALSE.
206	ENDIF
207	ENDIF
208	ENDDO
209	ENDIF
210	ENDIF
211	ENDIF
212
213	!
214	!-- Move particle coordinates to one-dimensional arrays
215	IF ( .NOT. use_particle_tails ) THEN
216	!
217	!-- All particles are output
218	ALLOCATE( psize(dvrp_nop), p_t(dvrp_nop), p_c(dvrp_nop), &
219	p_x(dvrp_nop), p_y(dvrp_nop), p_z(dvrp_nop) )
220	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
221	p_z = 0.0
222	k = 0
223	DO n = 1, number_of_particles
224	IF ( dvrp_mask(n) ) THEN
225	k = k + 1
226	psize(k) = particles(n)%dvrp_psize
227	p_x(k) = particles(n)%x * superelevation_x
228	p_y(k) = particles(n)%y * superelevation_y
229	p_z(k) = particles(n)%z * superelevation
230	p_c(k) = particles(n)%color
231	ENDIF
232	ENDDO
233	ELSE
234	!
235	!-- Particles have a tail
236	ALLOCATE( psize(dvrp_not), p_t(dvrp_not), &
237	p_c(dvrp_not*maximum_number_of_tailpoints), &
238	p_x(dvrp_not*maximum_number_of_tailpoints), &
239	p_y(dvrp_not*maximum_number_of_tailpoints), &
240	p_z(dvrp_not*maximum_number_of_tailpoints) )
241	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
242	p_z = 0.0;
243	i = 0
244	k = 0
245	DO n = 1, number_of_particles
246	nn = particles(n)%tail_id
247	IF ( nn /= 0 .AND. dvrp_mask(n) ) THEN
248	k = k + 1
249	DO j = 1, particles(n)%tailpoints
250	i = i + 1
251	p_x(i) = particle_tail_coordinates(j,1,nn) * &
252	superelevation_x
253	p_y(i) = particle_tail_coordinates(j,2,nn) * &
254	superelevation_y
255	p_z(i) = particle_tail_coordinates(j,3,nn) * &
256	superelevation
257	p_c(i) = particle_tail_coordinates(j,4,nn)
258	ENDDO
259	psize(k) = particles(n)%dvrp_psize
260	p_t(k) = particles(n)%tailpoints - 1
261	ENDIF
262	ENDDO
263	ENDIF
264
265	!
266	!-- Compute and plot particles in dvr-format
267	IF ( uniform_particles .AND. .NOT. use_particle_tails ) THEN
268	!
269	!-- All particles have the same color. Use simple routine to set
270	!-- the particle attributes (produces less output data)
271	CALL DVRP_PARTICLES( m-1, p_x, p_y, p_z, psize )
272	ELSE
273	!
274	!-- Set color definitions
275	CALL user_dvrp_coltab( 'particles', 'none' )
276
277	CALL DVRP_COLORTABLE_HLS( m-1, 0, interval_values_dvrp, &
278	interval_h_dvrp, interval_l_dvrp, &
279	interval_s_dvrp, interval_a_dvrp )
280
281	IF ( .NOT. use_particle_tails ) THEN
282	CALL DVRP_PARTICLES( m-1, dvrp_nop, p_x, p_y, p_z, 3, psize, &
283	p_c, p_t )
284	ELSE
285	CALL DVRP_PARTICLES( m-1, dvrp_not, p_x, p_y, p_z, 15, psize, &
286	p_c, p_t )
287	ENDIF
288	ENDIF
289
290	CALL DVRP_VISUALIZE( m-1, 3, dvrp_filecount )
291
292	DEALLOCATE( dvrp_mask, psize, p_c, p_t, p_x, p_y, p_z )
293
294	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'stop' )
295
296
297	ELSEIF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
298	mode_dvrp(m)(1:6) == 'slicer' ) &
299	.AND. output_variable /= ' ' ) THEN
300
301	!
302	!-- Create an intermediate array, properly dimensioned for plot-output
303	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
304	nzb:nz_do3d) )
305
306	!
307	!-- Move original array to intermediate array
308	IF ( dvrp_overlap ) THEN
309
310	SELECT CASE ( output_variable )
311
312	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
313	DO i = nxl_dvrp, nxr_dvrp+1
314	DO j = nys_dvrp, nyn_dvrp+1
315	DO k = nzb, nz_do3d
316	local_pf(i,j,k) = u(k,j,i)
317	ENDDO
318	ENDDO
319	ENDDO
320	!
321	!-- Replace mirrored values at lower surface by real surface
322	!-- values
323	IF ( output_variable == 'u_xz' .OR. &
324	output_variable == 'u_yz' ) THEN
325	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
326	ENDIF
327
328
329	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
330	DO i = nxl_dvrp, nxr_dvrp+1
331	DO j = nys_dvrp, nyn_dvrp+1
332	DO k = nzb, nz_do3d
333	local_pf(i,j,k) = v(k,j,i)
334	ENDDO
335	ENDDO
336	ENDDO
337	!
338	!-- Replace mirrored values at lower surface by real surface
339	!-- values
340	IF ( output_variable == 'v_xz' .OR. &
341	output_variable == 'v_yz' ) THEN
342	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
343	ENDIF
344
345	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
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) = w(k,j,i)
350	ENDDO
351	ENDDO
352	ENDDO
353	! Averaging for Langmuir circulation
354	! DO k = nzb, nz_do3d
355	! DO j = nys_dvrp+1, nyn_dvrp
356	! DO i = nxl_dvrp, nxr_dvrp+1
357	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
358	! 0.50 * local_pf(i,j,k) + &
359	! 0.25 * local_pf(i,j+1,k)
360	! ENDDO
361	! ENDDO
362	! ENDDO
363
364	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
365	DO i = nxl_dvrp, nxr_dvrp+1
366	DO j = nys_dvrp, nyn_dvrp+1
367	DO k = nzb, nz_do3d
368	local_pf(i,j,k) = p(k,j,i)
369	ENDDO
370	ENDDO
371	ENDDO
372
373	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
374	IF ( .NOT. cloud_physics ) THEN
375	DO i = nxl_dvrp, nxr_dvrp+1
376	DO j = nys_dvrp, nyn_dvrp+1
377	DO k = nzb, nz_do3d
378	local_pf(i,j,k) = pt(k,j,i)
379	ENDDO
380	ENDDO
381	ENDDO
382	ELSE
383	DO i = nxl_dvrp, nxr_dvrp+1
384	DO j = nys_dvrp, nyn_dvrp+1
385	DO k = nzb, nz_do3d
386	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
387	pt_d_t(k) * ql(k,j,i)
388	ENDDO
389	ENDDO
390	ENDDO
391	ENDIF
392
393	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
394	IF ( humidity .OR. passive_scalar ) THEN
395	DO i = nxl_dvrp, nxr_dvrp+1
396	DO j = nys_dvrp, nyn_dvrp+1
397	DO k = nzb, nz_do3d
398	local_pf(i,j,k) = q(k,j,i)
399	ENDDO
400	ENDDO
401	ENDDO
402	ELSE
403	message_string = 'if humidity/passive_scalar = ' // &
404	'FALSE output of ' // TRIM( output_variable ) // &
405	'is not provided'
406	CALL message( 'data_output_dvrp', 'PA0183', 0, 0, 0, 6, 0 )
407	ENDIF
408
409	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
410	IF ( cloud_physics .OR. cloud_droplets ) THEN
411	DO i = nxl_dvrp, nxr_dvrp+1
412	DO j = nys_dvrp, nyn_dvrp+1
413	DO k = nzb, nz_do3d
414	local_pf(i,j,k) = ql(k,j,i)
415	ENDDO
416	ENDDO
417	ENDDO
418	ELSE
419	message_string = 'if cloud_physics = FALSE ' // &
420	'output of ' // TRIM( output_variable) // &
421	'is not provided'
422	CALL message( 'data_output_dvrp', 'PA0184', 0, 0, 0, 6, 0 )
423	ENDIF
424
425	CASE ( 'u*_xy' )
426	DO i = nxl_dvrp, nxr_dvrp+1
427	DO j = nys_dvrp, nyn_dvrp+1
428	local_pf(i,j,nzb+1) = us(j,i)
429	ENDDO
430	ENDDO
431	slicer_position = zu(nzb+1)
432
433	CASE ( 't*_xy' )
434	DO i = nxl_dvrp, nxr_dvrp+1
435	DO j = nys_dvrp, nyn_dvrp+1
436	local_pf(i,j,nzb+1) = ts(j,i)
437	ENDDO
438	ENDDO
439	slicer_position = zu(nzb+1)
440
441
442	CASE DEFAULT
443	!
444	!-- The DEFAULT case is reached either if output_variable
445	!-- contains unsupported variable or if the user has coded a
446	!-- special case in the user interface. There, the subroutine
447	!-- user_data_output_dvrp checks which of these two conditions
448	!-- applies.
449	CALL user_data_output_dvrp( output_variable, local_pf )
450
451
452	END SELECT
453
454	ENDIF
455
456	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
457	!
458	!-- DVRP-Calls for plotting isosurfaces:
459	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
460
461	!
462	!-- Definition of characteristics of isosurface material
463	!-- Preliminary settings for w and pt!
464	IF ( output_variable == 'w' ) THEN
465	IF ( tv == 1 ) THEN
466	tmp_r = 0.8; tmp_g = 0.1; tmp_b = 0.1; tmp_t = 0.0
467	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
468	ELSE
469	tmp_r = 0.1; tmp_g = 0.1; tmp_b = 0.8; tmp_t = 0.0
470	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
471	ENDIF
472	ELSEIF ( output_variable == 'pt' ) THEN
473	tmp_r = 0.8; tmp_g = 0.1; tmp_b = 0.1; tmp_t = 0.0
474	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
475	ELSE
476	tmp_r = 0.9; tmp_g = 0.9; tmp_b = 0.9; tmp_t = 0.0
477	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
478	ENDIF
479
480	!
481	!-- Compute and plot isosurface in dvr-format
482	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
483	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
484
485	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
486	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
487
488	c_mode = vc_mode
489	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
490
491	gradient_normals = vc_gradient_normals
492	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
493	!
494	!-- A seperate procedure for setting vc_alpha will be in the next
495	!-- version of libDVRP
496	tmp_c_alpha = vc_alpha
497	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
498
499	IF ( dvrp_overlap ) THEN
500	tmp_th = threshold(tv)
501	ELSE
502	tmp_th = 1.0 ! nothing is plotted because array values are 0
503	ENDIF
504
505	CALL DVRP_THRESHOLD( m-1, tmp_th )
506	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
507
508	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
509
510	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
511	!
512	!-- DVRP-Calls for plotting slicers:
513	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
514
515	!
516	!-- Material and color definitions
517	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
518	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
519
520	islice_dvrp = islice_dvrp + 1
521	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
522	! slicer_range_limits_dvrp(:,islice_dvrp), &
523	! color_dvrp )
524
525	CALL user_dvrp_coltab( 'slicer', output_variable )
526
527	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
528	interval_h_dvrp, interval_l_dvrp, &
529	interval_s_dvrp, interval_a_dvrp )
530
531	!
532	!-- Compute and plot slicer in dvr-format
533	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
534	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
535	tmp_pos = slicer_position
536	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
537	! tmp_pos = 1.0
538	! CALL DVRP_SLICER( m-1, 2, tmp_pos )
539	WRITE (9,*) 'nx_dvrp=', nx_dvrp
540	WRITE (9,*) 'ny_dvrp=', ny_dvrp
541	WRITE (9,*) 'nz_dvrp=', nz_dvrp
542	WRITE (9,*) 'section_mode=', section_mode
543	WRITE (9,*) 'slicer_position=', slicer_position
544	CALL local_flush( 9 )
545
546	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
547
548	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
549
550	ENDIF
551
552	DEALLOCATE( local_pf )
553
554	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
555
556	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
557	DO i = nxl, nxr+1
558	DO j = nys, nyn+1
559	DO k = nzb, nz_do3d
560	local_pfi(1,i,j,k) = u(k,j,i)
561	local_pfi(2,i,j,k) = v(k,j,i)
562	local_pfi(3,i,j,k) = w(k,j,i)
563	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
564	v(k,j,i) * v(k,j,i) + &
565	w(k,j,i) * w(k,j,i) )
566	tmp_alpha = ACOS( 0.0 * u(k,j,i) / tmp_norm + &
567	0.0 * v(k,j,i) / tmp_norm - &
568	1.0 * w(k,j,i) / tmp_norm )
569	tmp_alpha_w = tmp_alpha / pi * 180.0
570	local_pfi(4,i,j,k) = tmp_alpha_w
571	ENDDO
572	ENDDO
573	ENDDO
574
575	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
576
577	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
578	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
579	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
580
581	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
582
583	DEALLOCATE( local_pfi )
584
585	ENDIF
586
587	m = m + 1
588
589	ENDDO
590
591	dvrp_filecount = dvrp_filecount + 1
592
593	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
594
595	#endif
596	END SUBROUTINE data_output_dvrp

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