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source: palm/trunk/SOURCE/data_output_dvrp.f90 @ 1318

Last change on this file since 1318 was 1318, checked in by raasch, 10 years ago
former files/routines cpu_log and cpu_statistics combined to one module, which also includes the former data module cpulog from the modules-file, module interfaces removed
Property svn:keywords set to `Id`
File size: 23.0 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 1997-2014 Leibniz Universitaet Hannover
16	!--------------------------------------------------------------------------------!
17	!
18	! Current revisions:
19	! -----------------
20	! module interfaces removed
21	!
22	! Former revisions:
23	! -----------------
24	! $Id: data_output_dvrp.f90 1318 2014-03-17 13:35:16Z raasch $
25	!
26	! 1036 2012-10-22 13:43:42Z raasch
27	! code put under GPL (PALM 3.9)
28	!
29	! 828 2012-02-21 12:00:36Z raasch
30	! particle feature color renamed class
31	!
32	! 287 2009-04-09 08:59:36Z raasch
33	! Clipping of dvr-output implemented, using a default colourtable for
34	! particles,
35	! output of messages replaced by message handling routine.
36	!
37	! 210 2008-11-06 08:54:02Z raasch
38	! DVRP arguments changed to single precision, mode pathlines added
39	!
40	! 130 2007-11-13 14:08:40Z letzel
41	! allow two instead of one digit to specify isosurface and slicer variables
42	! for unknown variables (CASE DEFAULT) call new subroutine
43	! user_data_output_dvrp
44	!
45	! 82 2007-04-16 15:40:52Z raasch
46	! Preprocessor strings for different linux clusters changed to "lc",
47	! routine local_flush is used for buffer flushing
48	!
49	! 75 2007-03-22 09:54:05Z raasch
50	! Particles-package is now part of the default code,
51	! moisture renamed humidity
52	!
53	! RCS Log replace by Id keyword, revision history cleaned up
54	!
55	! Revision 1.13 2006/02/23 10:25:12 raasch
56	! Former routine plot_dvrp renamed data_output_dvrp,
57	! Only a fraction of the particles may have a tail,
58	! pl.. replaced by do.., %size renamed %dvrp_psize
59	!
60	! Revision 1.1 2000/04/27 06:27:17 raasch
61	! Initial revision
62	!
63	!
64	! Description:
65	! ------------
66	! Plot of isosurface, particles and slicers with dvrp-software
67	!------------------------------------------------------------------------------!
68
69	MODULE dvrp_color
70
71	USE dvrp_variables
72
73	IMPLICIT NONE
74
75	CONTAINS
76
77	SUBROUTINE color_dvrp( value, color )
78
79	REAL, INTENT(IN) :: value
80	REAL, INTENT(OUT) :: color(4)
81
82	REAL :: scale
83
84	scale = ( value - slicer_range_limits_dvrp(1,islice_dvrp) ) / &
85	( slicer_range_limits_dvrp(2,islice_dvrp) - &
86	slicer_range_limits_dvrp(1,islice_dvrp) )
87
88	scale = MODULO( 180.0 + 180.0 * scale, 360.0 )
89
90	color = (/ scale, 0.5, 1.0, 0.0 /)
91
92	END SUBROUTINE color_dvrp
93
94	END MODULE dvrp_color
95
96
97	RECURSIVE SUBROUTINE data_output_dvrp
98
99	#if defined( __dvrp_graphics )
100
101	USE arrays_3d
102	USE cloud_parameters
103	USE constants
104	USE control_parameters
105	USE cpulog
106	USE DVRP
107	USE dvrp_color
108	USE dvrp_variables
109	USE grid_variables
110	USE indices
111	USE particle_attributes
112	USE pegrid
113
114	IMPLICIT NONE
115
116	CHARACTER (LEN=2) :: section_chr
117	CHARACTER (LEN=6) :: output_variable
118	INTEGER :: c_mode, c_size_x, c_size_y, c_size_z, dvrp_nop, dvrp_not, &
119	gradient_normals, i, ip, j, jp, k, l, m, n, n_isosurface, &
120	n_slicer, nn, section_mode, vn
121	INTEGER, DIMENSION(:), ALLOCATABLE :: p_c, p_t
122
123	LOGICAL, DIMENSION(:), ALLOCATABLE :: dvrp_mask
124
125	REAL(4) :: slicer_position, tmp_alpha, tmp_alpha_w, tmp_b, tmp_c_alpha, &
126	tmp_g, tmp_norm, tmp_pos, tmp_r, tmp_t, tmp_th
127	REAL(4), DIMENSION(:), ALLOCATABLE :: psize, p_x, p_y, p_z
128	REAL(4), DIMENSION(:,:,:), ALLOCATABLE :: local_pf
129	REAL(4), DIMENSION(:,:,:,:), ALLOCATABLE :: local_pfi
130
131
132	CALL cpu_log( log_point(27), 'data_output_dvrp', 'start' )
133
134	!
135	!-- Loop over all output modes choosed
136	m = 1
137	n_isosurface = 0 ! isosurface counter (for threshold values and color)
138	n_slicer = 0 ! slice plane counter (for range of values)
139	DO WHILE ( mode_dvrp(m) /= ' ' )
140	!
141	!-- Update of the steering variables
142	IF ( .NOT. lock_steering_update ) THEN
143	!
144	!-- Set lock to avoid recursive calls of DVRP_STEERING_UPDATE
145	lock_steering_update = .TRUE.
146	! CALL DVRP_STEERING_UPDATE( m-1, data_output_dvrp )
147	lock_steering_update = .FALSE.
148	ENDIF
149
150	!
151	!-- Determine the variable which shall be plotted (in case of slicers or
152	!-- isosurfaces)
153	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
154	READ ( mode_dvrp(m), '(10X,I2)' ) vn
155	output_variable = do3d(0,vn)
156	n_isosurface = n_isosurface + 1
157	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
158	READ ( mode_dvrp(m), '(6X,I2)' ) vn
159	output_variable = do2d(0,vn)
160	l = MAX( 2, LEN_TRIM( do2d(0,vn) ) )
161	section_chr = do2d(0,vn)(l-1:l)
162	SELECT CASE ( section_chr )
163	CASE ( 'xy' )
164	section_mode = 2
165	slicer_position = zu(MIN( slicer_position_dvrp(m), nz_do3d ))
166	CASE ( 'xz' )
167	section_mode = 1
168	slicer_position = slicer_position_dvrp(m) * dy
169	CASE ( 'yz' )
170	section_mode = 0
171	slicer_position = slicer_position_dvrp(m) * dx
172	END SELECT
173	ENDIF
174
175	!
176	!-- Select the plot mode (in case of isosurface or slicer only if user has
177	!-- defined a variable which shall be plotted; otherwise do nothing)
178	IF ( mode_dvrp(m)(1:9) == 'particles' .AND. particle_advection .AND. &
179	simulated_time >= particle_advection_start ) THEN
180	!
181	!-- DVRP-Calls for plotting particles:
182	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'start' )
183
184	!
185	!-- Definition of characteristics of particle material
186	! tmp_r = 0.1; tmp_g = 0.7; tmp_b = 0.1; tmp_t = 0.0
187	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
188	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
189
190	!
191	!-- If clipping is active and if this subdomain is clipped, find out the
192	!-- number of particles and tails to be plotted; otherwise, all
193	!-- particles/tails are plotted. dvrp_mask is used to mark the partikles.
194	ALLOCATE( dvrp_mask(number_of_particles) )
195
196	IF ( dvrp_total_overlap ) THEN
197	dvrp_mask = .TRUE.
198	dvrp_nop = number_of_particles
199	dvrp_not = number_of_tails
200	ELSE
201	dvrp_mask = .FALSE.
202	dvrp_nop = 0
203	dvrp_not = 0
204	IF ( dvrp_overlap ) THEN
205	IF ( .NOT. use_particle_tails ) THEN
206	DO n = 1, number_of_particles
207	ip = particles(n)%x / dx
208	jp = particles(n)%y / dy
209	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
210	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
211	dvrp_nop = dvrp_nop + 1
212	dvrp_mask(n) = .TRUE.
213	ENDIF
214	ENDDO
215	ELSE
216	k = 0
217	DO n = 1, number_of_particles
218	IF ( particles(n)%tail_id /= 0 ) THEN
219	k = k + 1
220	ip = particles(n)%x / dx
221	jp = particles(n)%y / dy
222	IF ( ip >= nxl_dvrp .AND. ip <= nxr_dvrp .AND. &
223	jp >= nys_dvrp .AND. jp <= nyn_dvrp ) THEN
224	dvrp_not = dvrp_not + 1
225	dvrp_mask(n) = .TRUE.
226	ENDIF
227	ENDIF
228	ENDDO
229	ENDIF
230	ENDIF
231	ENDIF
232
233	!
234	!-- Move particle coordinates to one-dimensional arrays
235	IF ( .NOT. use_particle_tails ) THEN
236	!
237	!-- All particles are output
238	ALLOCATE( psize(dvrp_nop), p_t(dvrp_nop), p_c(dvrp_nop), &
239	p_x(dvrp_nop), p_y(dvrp_nop), p_z(dvrp_nop) )
240	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
241	p_z = 0.0
242	k = 0
243	DO n = 1, number_of_particles
244	IF ( dvrp_mask(n) ) THEN
245	k = k + 1
246	psize(k) = particles(n)%dvrp_psize
247	p_x(k) = particles(n)%x * superelevation_x
248	p_y(k) = particles(n)%y * superelevation_y
249	p_z(k) = particles(n)%z * superelevation
250	p_c(k) = particles(n)%class
251	ENDIF
252	ENDDO
253	ELSE
254	!
255	!-- Particles have a tail
256	ALLOCATE( psize(dvrp_not), p_t(dvrp_not), &
257	p_c(dvrp_not*maximum_number_of_tailpoints), &
258	p_x(dvrp_not*maximum_number_of_tailpoints), &
259	p_y(dvrp_not*maximum_number_of_tailpoints), &
260	p_z(dvrp_not*maximum_number_of_tailpoints) )
261	psize = 0.0; p_t = 0; p_c = 0.0; p_x = 0.0; p_y = 0.0
262	p_z = 0.0;
263	i = 0
264	k = 0
265
266	DO n = 1, number_of_particles
267	nn = particles(n)%tail_id
268	IF ( nn /= 0 .AND. dvrp_mask(n) ) THEN
269	k = k + 1
270	DO j = 1, particles(n)%tailpoints
271	i = i + 1
272	p_x(i) = particle_tail_coordinates(j,1,nn) * &
273	superelevation_x
274	p_y(i) = particle_tail_coordinates(j,2,nn) * &
275	superelevation_y
276	p_z(i) = particle_tail_coordinates(j,3,nn) * &
277	superelevation
278	p_c(i) = particle_tail_coordinates(j,4,nn)
279	ENDDO
280	psize(k) = particles(n)%dvrp_psize
281	p_t(k) = particles(n)%tailpoints - 1
282	ENDIF
283	ENDDO
284	ENDIF
285
286	!
287	!-- Compute and plot particles in dvr-format
288	IF ( uniform_particles .AND. .NOT. use_particle_tails ) THEN
289	!
290	!-- All particles have the same color. Use simple routine to set
291	!-- the particle attributes (produces less output data)
292	CALL DVRP_PARTICLES( m-1, p_x, p_y, p_z, psize )
293	ELSE
294	!
295	!-- Set color definitions
296	CALL user_dvrp_coltab( 'particles', 'none' )
297
298	CALL DVRP_COLORTABLE_HLS( m-1, 0, interval_values_dvrp_prt, &
299	interval_h_dvrp_prt, &
300	interval_l_dvrp_prt, &
301	interval_s_dvrp_prt, &
302	interval_a_dvrp_prt )
303
304	IF ( .NOT. use_particle_tails ) THEN
305	CALL DVRP_PARTICLES( m-1, dvrp_nop, p_x, p_y, p_z, 3, psize, &
306	p_c, p_t )
307	ELSE
308	CALL DVRP_PARTICLES( m-1, dvrp_not, p_x, p_y, p_z, 15, psize, &
309	p_c, p_t )
310	ENDIF
311	ENDIF
312
313	CALL DVRP_VISUALIZE( m-1, 3, dvrp_filecount )
314
315	DEALLOCATE( dvrp_mask, psize, p_c, p_t, p_x, p_y, p_z )
316
317	CALL cpu_log( log_point_s(28), 'dvrp_particles', 'stop' )
318
319
320	ELSEIF ( ( mode_dvrp(m)(1:10) == 'isosurface' .OR. &
321	mode_dvrp(m)(1:6) == 'slicer' ) &
322	.AND. output_variable /= ' ' ) THEN
323
324	!
325	!-- Create an intermediate array, properly dimensioned for plot-output
326	ALLOCATE( local_pf(nxl_dvrp:nxr_dvrp+1,nys_dvrp:nyn_dvrp+1, &
327	nzb:nz_do3d) )
328
329	!
330	!-- Move original array to intermediate array
331	IF ( dvrp_overlap ) THEN
332
333	SELECT CASE ( output_variable )
334
335	CASE ( 'u', 'u_xy', 'u_xz', 'u_yz' )
336	DO i = nxl_dvrp, nxr_dvrp+1
337	DO j = nys_dvrp, nyn_dvrp+1
338	DO k = nzb, nz_do3d
339	local_pf(i,j,k) = u(k,j,i)
340	ENDDO
341	ENDDO
342	ENDDO
343	!
344	!-- Replace mirrored values at lower surface by real surface
345	!-- values
346	IF ( output_variable == 'u_xz' .OR. &
347	output_variable == 'u_yz' ) THEN
348	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
349	ENDIF
350
351
352	CASE ( 'v', 'v_xy', 'v_xz', 'v_yz' )
353	DO i = nxl_dvrp, nxr_dvrp+1
354	DO j = nys_dvrp, nyn_dvrp+1
355	DO k = nzb, nz_do3d
356	local_pf(i,j,k) = v(k,j,i)
357	ENDDO
358	ENDDO
359	ENDDO
360	!
361	!-- Replace mirrored values at lower surface by real surface
362	!-- values
363	IF ( output_variable == 'v_xz' .OR. &
364	output_variable == 'v_yz' ) THEN
365	IF ( ibc_uv_b == 0 ) local_pf(:,:,nzb) = 0.0
366	ENDIF
367
368	CASE ( 'w', 'w_xy', 'w_xz', 'w_yz' )
369	DO i = nxl_dvrp, nxr_dvrp+1
370	DO j = nys_dvrp, nyn_dvrp+1
371	DO k = nzb, nz_do3d
372	local_pf(i,j,k) = w(k,j,i)
373	ENDDO
374	ENDDO
375	ENDDO
376	! Averaging for Langmuir circulation
377	! DO k = nzb, nz_do3d
378	! DO j = nys_dvrp+1, nyn_dvrp
379	! DO i = nxl_dvrp, nxr_dvrp+1
380	! local_pf(i,j,k) = 0.25 * local_pf(i,j-1,k) + &
381	! 0.50 * local_pf(i,j,k) + &
382	! 0.25 * local_pf(i,j+1,k)
383	! ENDDO
384	! ENDDO
385	! ENDDO
386
387	CASE ( 'p', 'p_xy', 'p_xz', 'p_yz' )
388	DO i = nxl_dvrp, nxr_dvrp+1
389	DO j = nys_dvrp, nyn_dvrp+1
390	DO k = nzb, nz_do3d
391	local_pf(i,j,k) = p(k,j,i)
392	ENDDO
393	ENDDO
394	ENDDO
395
396	CASE ( 'pt', 'pt_xy', 'pt_xz', 'pt_yz' )
397	IF ( .NOT. cloud_physics ) THEN
398	DO i = nxl_dvrp, nxr_dvrp+1
399	DO j = nys_dvrp, nyn_dvrp+1
400	DO k = nzb, nz_do3d
401	local_pf(i,j,k) = pt(k,j,i)
402	ENDDO
403	ENDDO
404	ENDDO
405	ELSE
406	DO i = nxl_dvrp, nxr_dvrp+1
407	DO j = nys_dvrp, nyn_dvrp+1
408	DO k = nzb, nz_do3d
409	local_pf(i,j,k) = pt(k,j,i) + l_d_cp * &
410	pt_d_t(k) * ql(k,j,i)
411	ENDDO
412	ENDDO
413	ENDDO
414	ENDIF
415
416	CASE ( 'q', 'q_xy', 'q_xz', 'q_yz' )
417	IF ( humidity .OR. passive_scalar ) THEN
418	DO i = nxl_dvrp, nxr_dvrp+1
419	DO j = nys_dvrp, nyn_dvrp+1
420	DO k = nzb, nz_do3d
421	local_pf(i,j,k) = q(k,j,i)
422	ENDDO
423	ENDDO
424	ENDDO
425	ELSE
426	message_string = 'if humidity/passive_scalar = ' // &
427	'FALSE output of ' // TRIM( output_variable ) // &
428	'is not provided'
429	CALL message( 'data_output_dvrp', 'PA0183',&
430	0, 0, 0, 6, 0 )
431	ENDIF
432
433	CASE ( 'ql', 'ql_xy', 'ql_xz', 'ql_yz' )
434	IF ( cloud_physics .OR. cloud_droplets ) THEN
435	DO i = nxl_dvrp, nxr_dvrp+1
436	DO j = nys_dvrp, nyn_dvrp+1
437	DO k = nzb, nz_do3d
438	local_pf(i,j,k) = ql(k,j,i)
439	ENDDO
440	ENDDO
441	ENDDO
442	ELSE
443	message_string = 'if cloud_physics = FALSE ' // &
444	'output of ' // TRIM( output_variable) // &
445	'is not provided'
446	CALL message( 'data_output_dvrp', 'PA0184',&
447	0, 0, 0, 6, 0 )
448	ENDIF
449
450	CASE ( 'u*_xy' )
451	DO i = nxl_dvrp, nxr_dvrp+1
452	DO j = nys_dvrp, nyn_dvrp+1
453	local_pf(i,j,nzb+1) = us(j,i)
454	ENDDO
455	ENDDO
456	slicer_position = zu(nzb+1)
457
458	CASE ( 't*_xy' )
459	DO i = nxl_dvrp, nxr_dvrp+1
460	DO j = nys_dvrp, nyn_dvrp+1
461	local_pf(i,j,nzb+1) = ts(j,i)
462	ENDDO
463	ENDDO
464	slicer_position = zu(nzb+1)
465
466
467	CASE DEFAULT
468	!
469	!-- The DEFAULT case is reached either if output_variable
470	!-- contains unsupported variable or if the user has coded a
471	!-- special case in the user interface. There, the subroutine
472	!-- user_data_output_dvrp checks which of these two conditions
473	!-- applies.
474	CALL user_data_output_dvrp( output_variable, local_pf )
475
476
477	END SELECT
478
479	ELSE
480	!
481	!-- No overlap of clipping domain with the current subdomain
482	DO i = nxl_dvrp, nxr_dvrp+1
483	DO j = nys_dvrp, nyn_dvrp+1
484	DO k = nzb, nz_do3d
485	local_pf(i,j,k) = 0.0
486	ENDDO
487	ENDDO
488	ENDDO
489
490	ENDIF
491
492	IF ( mode_dvrp(m)(1:10) == 'isosurface' ) THEN
493
494	!
495	!-- DVRP-Calls for plotting isosurfaces:
496	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'start' )
497
498	!
499	!-- Definition of isosurface color
500	tmp_r = isosurface_color(1,n_isosurface)
501	tmp_g = isosurface_color(2,n_isosurface)
502	tmp_b = isosurface_color(3,n_isosurface)
503	tmp_t = 0.0
504	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
505
506	!
507	!-- Compute and plot isosurface in dvr-format
508	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
509	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
510
511	c_size_x = vc_size_x; c_size_y = vc_size_y; c_size_z = vc_size_z
512	CALL DVRP_CLUSTER_SIZE( m-1, c_size_x, c_size_y, c_size_z )
513
514	c_mode = vc_mode
515	CALL DVRP_CLUSTERING_MODE( m-1, c_mode )
516
517	gradient_normals = vc_gradient_normals
518	CALL DVRP_GRADIENTNORMALS( m-1, gradient_normals )
519
520	!
521	!-- A seperate procedure for setting vc_alpha will be in the next
522	!-- version of libDVRP
523	tmp_c_alpha = vc_alpha
524	CALL DVRP_THRESHOLD( -(m-1)-1, tmp_c_alpha )
525
526	IF ( dvrp_overlap ) THEN
527	tmp_th = threshold(n_isosurface)
528	ELSE
529	tmp_th = 1.0 ! nothing is plotted because array values are 0
530	ENDIF
531
532	CALL DVRP_THRESHOLD( m-1, tmp_th )
533
534	CALL DVRP_VISUALIZE( m-1, 21, dvrp_filecount )
535
536	CALL cpu_log( log_point_s(26), 'dvrp_isosurface', 'stop' )
537
538	ELSEIF ( mode_dvrp(m)(1:6) == 'slicer' ) THEN
539
540	!
541	!-- DVRP-Calls for plotting slicers:
542	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'start' )
543
544	!
545	!-- Material and color definitions
546	tmp_r = 0.0; tmp_g = 0.0; tmp_b = 0.0; tmp_t = 0.0
547	CALL DVRP_MATERIAL_RGB( m-1, 1, tmp_r, tmp_g, tmp_b, tmp_t )
548
549	n_slicer = n_slicer + 1
550
551	!
552	!-- Using dolorfunction has not been properly tested
553	! islice_dvrp = n_slicer
554	! CALL DVRP_COLORFUNCTION( m-1, DVRP_CM_HLS, 25, &
555	! slicer_range_limits_dvrp(:,n_slicer), &
556	! color_dvrp )
557
558	!
559	!-- Set interval of values defining the colortable
560	CALL set_slicer_attributes_dvrp( n_slicer )
561
562	!
563	!-- Create user-defined colortable
564	CALL user_dvrp_coltab( 'slicer', output_variable )
565
566	CALL DVRP_COLORTABLE_HLS( m-1, 1, interval_values_dvrp, &
567	interval_h_dvrp, interval_l_dvrp, &
568	interval_s_dvrp, interval_a_dvrp )
569
570	!
571	!-- Compute and plot slicer in dvr-format
572	CALL DVRP_DATA( m-1, local_pf, 1, nx_dvrp, ny_dvrp, nz_dvrp, &
573	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
574	tmp_pos = slicer_position
575	CALL DVRP_SLICER( m-1, section_mode, tmp_pos )
576
577	CALL DVRP_VISUALIZE( m-1, 2, dvrp_filecount )
578
579	CALL cpu_log( log_point_s(27), 'dvrp_slicer', 'stop' )
580
581	ENDIF
582
583	DEALLOCATE( local_pf )
584
585	ELSEIF ( mode_dvrp(m)(1:9) == 'pathlines' ) THEN
586
587	ALLOCATE( local_pfi(4,nxl:nxr+1,nys:nyn+1,nzb:nz_do3d) )
588	DO i = nxl, nxr+1
589	DO j = nys, nyn+1
590	DO k = nzb, nz_do3d
591	local_pfi(1,i,j,k) = u(k,j,i)
592	local_pfi(2,i,j,k) = v(k,j,i)
593	local_pfi(3,i,j,k) = w(k,j,i)
594	tmp_norm = SQRT( u(k,j,i) * u(k,j,i) + &
595	v(k,j,i) * v(k,j,i) + &
596	w(k,j,i) * w(k,j,i) )
597	tmp_alpha = ACOS( 0.0 * u(k,j,i) / tmp_norm + &
598	0.0 * v(k,j,i) / tmp_norm - &
599	1.0 * w(k,j,i) / tmp_norm )
600	tmp_alpha_w = tmp_alpha / pi * 180.0
601	local_pfi(4,i,j,k) = tmp_alpha_w
602	ENDDO
603	ENDDO
604	ENDDO
605
606	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'start' )
607
608	CALL DVRP_DATA( m-1, local_pfi, 4, nx_dvrp, ny_dvrp, nz_dvrp, &
609	cyclic_dvrp, cyclic_dvrp, cyclic_dvrp )
610	CALL DVRP_VISUALIZE( m-1, 20, dvrp_filecount )
611
612	CALL cpu_log( log_point_s(31), 'dvrp_pathlines', 'stop' )
613
614	DEALLOCATE( local_pfi )
615
616	ENDIF
617
618	m = m + 1
619
620	ENDDO
621
622	dvrp_filecount = dvrp_filecount + 1
623
624	CALL cpu_log( log_point(27), 'data_output_dvrp', 'stop' )
625
626	#endif
627	END SUBROUTINE data_output_dvrp

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