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source: palm/trunk/UTIL/analyze_particle_netcdf_data.f90 @ 1271

Last change on this file since 1271 was 1047, checked in by maronga, 12 years ago
last commit documented / added nc2vdf
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1	PROGRAM analyze_particle_netcdf_data
2
3	!------------------------------------------------------------------------------!
4	! This file is part of PALM.
5	!
6	! PALM is free software: you can redistribute it and/or modify it under the terms
7	! of the GNU General Public License as published by the Free Software Foundation,
8	! either version 3 of the License, or (at your option) any later version.
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	!
17	! Copyright 1997-2012 Leibniz University Hannover
18	!--------------------------------------------------------------------------------!
19	!
20	! Current revisions:
21	! -----------------
22	!
23	! Former revisions:
24	! -----------------
25	! $Id: analyze_particle_netcdf_data.f90 1047 2012-11-09 15:32:58Z fricke $
26	!
27	! 1046 2012-11-09 14:38:45Z maronga
28	! code put under GPL (PALM 3.9)
29	!
30	! Initial revision 12/07/05
31	!
32	!
33	! Description:
34	! ------------
35	! This is an EXAMPLE routine how to read NetCDF particle data output by PALM.
36	! As an example, the mean heigth and radius of all particles are calculated
37	! and output for each output time available on the file
38	!
39	!
40	! Any additonal analyzation requested has to be added by the user by following
41	! the steps given in this example!
42	!
43	!
44	!
45	! This routine must be compiled with:
46	! decalpha:
47	! f95 -fast -r8 -I/usr/local/netcdf-3.5.1/include
48	! -L/usr/local/netcdf-3.5.1/lib -lnetcdf
49	! IBM-Regatta:
50	! xlf95 -qsuffix=cpp=f90 -qrealsize=8 -q64 -qmaxmem=-1 -Q
51	! -I /aws/dataformats/netcdf-3.5.0/netcdf-64-32-3.5.0/include_F90_64
52	! -L/aws/dataformats/netcdf-3.5.0/netcdf-64-32-3.5.0/lib -lnetcdf -O3
53	! IBM-Regatta KISTI:
54	! xlf95 -qsuffix=cpp=f90 -qrealsize=8 -q64 -qmaxmem=-1 -Q
55	! -I /applic/netcdf64/src/f90
56	! -L/applic/lib/NETCDF64 -lnetcdf -O3
57	! IMUK:
58	! ifort analyze_particle_netcdf_data
59	! -I /muksoft/packages/netcdf/linux/include -axW -r8 -nbs -Vaxlib
60	! -L /muksoft/packages/netcdf/linux/lib -lnetcdf
61	! NEC-SX6:
62	! sxf90 analyze_particle_netcdf_data.f90
63	! -I /pool/SX-6/netcdf/netcdf-3.6.0-p1/include -C hopt -Wf '-A idbl4'
64	! -D__netcdf -L/pool/SX-6/netcdf/netcdf-3.6.0-p1/lib -lnetcdf
65	!------------------------------------------------------------------------------!
66
67	USE netcdf
68
69	IMPLICIT NONE
70
71	!
72	!-- Local variables
73	CHARACTER (LEN=7) :: id_char
74	CHARACTER (LEN=2000) :: string
75
76
77	INTEGER :: f, fn, i, id_dim_time, id_var_rnop, id_var_r, id_var_time, &
78	id_var_x, id_var_y, id_var_z, n, nc_stat, ntl, start
79
80	INTEGER, DIMENSION(1000) :: id_set
81	INTEGER, DIMENSION(1) :: id_dim_time_old
82
83	INTEGER, DIMENSION(:), ALLOCATABLE :: total_nop
84	INTEGER, DIMENSION(:,:), ALLOCATABLE :: nop
85
86	LOGICAL :: found
87
88	REAL :: mean_r, mean_z
89	REAL, DIMENSION(:), ALLOCATABLE :: prt_r, prt_x, prt_y, prt_z, tl
90
91	!
92	!-- Check, if file from PE0 exists. If it does not exist, PALM did not
93	!-- create any output for this cross-section.
94	fn = 0
95	WRITE (id_char,'(''_'',I4.4)') fn
96	INQUIRE ( FILE=id_char, EXIST=found )
97
98	!
99	!-- Find out the number of files (equal to the number of PEs which
100	!-- have been used in PALM) and open them
101	IF ( .NOT. found ) THEN
102	PRINT*, '+++ no file _0000 found in current working directory'
103	STOP
104	ENDIF
105
106	DO WHILE ( found )
107
108	!
109	!-- Open NetCDF dataset
110	nc_stat = NF90_OPEN( id_char, NF90_NOWRITE, id_set(fn) )
111	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 1 )
112	fn = fn + 1
113	WRITE (id_char,'(''_'',I4.4)') fn
114	INQUIRE ( FILE=id_char, EXIST=found )
115
116	ENDDO
117	fn = fn - 1
118
119	PRINT, '** ', fn+1, ' files found'
120
121	!
122	!-- Get the run description header and print it out
123	string = ' '
124	nc_stat = NF90_GET_ATT( id_set(0), NF90_GLOBAL, 'title', string )
125	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 2 )
126	PRINT, '** run: ', TRIM( string )
127
128	!
129	!-- Get the available time levels
130	nc_stat = NF90_INQ_VARID( id_set(0), 'time', id_var_time )
131	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 3 )
132
133	nc_stat = NF90_INQUIRE_VARIABLE( id_set(0), id_var_time, &
134	dimids = id_dim_time_old )
135	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 4 )
136	id_dim_time = id_dim_time_old(1)
137
138	nc_stat = NF90_INQUIRE_DIMENSION( id_set(0), id_dim_time, len = ntl )
139	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 5 )
140	ALLOCATE( tl(1:ntl) )
141	print*, 'ntl=',ntl
142
143	nc_stat = NF90_GET_VAR( id_set(0), id_var_time, tl )
144	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 6 )
145
146	DO n = 1, ntl
147	print, '** time_level(', n, ') =', tl(n)
148	ENDDO
149
150	!
151	!-- Get the number of particles used
152	nc_stat = NF90_INQ_VARID( id_set(0), 'real_num_of_prt', id_var_rnop )
153	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 7 )
154
155	ALLOCATE( nop(1:ntl,0:fn), total_nop(1:ntl) )
156
157	DO f = 0, fn
158
159	nc_stat = NF90_GET_VAR( id_set(f), id_var_rnop, nop(1:ntl,f) )
160	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 8 )
161
162	ENDDO
163
164	total_nop = 0
165	DO n = 1, ntl
166
167	DO f = 0, fn
168	total_nop(n) = total_nop(n) + nop(n,f)
169	ENDDO
170
171	PRINT, '** time = ', tl(n), ' total # of particles: ', total_nop(n)
172
173	ENDDO
174
175	!
176	!-- Get the particle x and y coordinates
177	nc_stat = NF90_INQ_VARID( id_set(0), 'pt_x', id_var_x )
178	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 9 )
179
180	nc_stat = NF90_INQ_VARID( id_set(0), 'pt_y', id_var_y )
181	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 10 )
182
183	nc_stat = NF90_INQ_VARID( id_set(0), 'pt_z', id_var_z )
184	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 11 )
185
186	nc_stat = NF90_INQ_VARID( id_set(0), 'pt_radius', id_var_r )
187	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 12 )
188
189	PRINT*, ' '
190	!
191	!-- Loop over all timelevels
192	DO n = 1, ntl
193
194	ALLOCATE( prt_x(total_nop(n)), prt_y(total_nop(n)), &
195	prt_z(total_nop(n)), prt_r(total_nop(n)) )
196
197	start = 1
198
199	!
200	!-- Read the data from the files (one file per processor)
201	DO f = 0, fn
202
203	nc_stat = NF90_GET_VAR( id_set(f), id_var_x, &
204	prt_x(start:start+nop(n,f)-1), &
205	start = (/ 1, n /), &
206	count = (/ nop(n,f), 1 /) )
207	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 13 )
208
209	nc_stat = NF90_GET_VAR( id_set(f), id_var_y, &
210	prt_y(start:start+nop(n,f)-1), &
211	start = (/ 1, n /), &
212	count = (/ nop(n,f), 1 /) )
213	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 14 )
214
215	nc_stat = NF90_GET_VAR( id_set(f), id_var_z, &
216	prt_z(start:start+nop(n,f)-1), &
217	start = (/ 1, n /), &
218	count = (/ nop(n,f), 1 /) )
219	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 15 )
220
221	nc_stat = NF90_GET_VAR( id_set(f), id_var_r, &
222	prt_r(start:start+nop(n,f)-1), &
223	start = (/ 1, n /), &
224	count = (/ nop(n,f), 1 /) )
225	IF ( nc_stat /= NF90_NOERR ) CALL handle_netcdf_error( nc_stat, 16 )
226
227	start = start + nop(n,f)
228
229	ENDDO
230
231	mean_z = 0.0
232	mean_r = 0.0
233	DO i = 1, total_nop(n)
234	mean_z = mean_z + prt_z(i)
235	mean_r = mean_r + prt_r(i)
236	ENDDO
237	mean_z = mean_z / total_nop(n)
238	mean_r = mean_r / total_nop(n)
239
240	PRINT, '** time = ', tl(n), ' mean height = ', mean_z, &
241	' mean radius = ', mean_r
242
243	!
244	!-- prt_x, prt_y, prt_z, and prt_r contain the particle coordinates and
245	!-- radii, respectively. Please output these data or carry out the
246	!-- requested analyzing in this program before you deallocate the arrays.
247
248	DEALLOCATE( prt_x, prt_y, prt_z, prt_r )
249
250	ENDDO
251
252
253	END PROGRAM analyze_particle_netcdf_data
254
255
256
257	SUBROUTINE handle_netcdf_error( nc_stat, position )
258	!
259	!-- Prints out a text message corresponding to the current NetCDF status
260
261	USE netcdf
262
263	IMPLICIT NONE
264
265	INTEGER, INTENT(IN) :: nc_stat, position
266
267	IF ( nc_stat /= NF90_NOERR ) THEN
268	PRINT*, '+++ analyze_particle_netcdf_data'
269	PRINT*, ' netcdf error: ', TRIM( nf90_strerror( nc_stat ) )
270	PRINT*, ' position = ', position
271	STOP
272	ENDIF
273
274	END SUBROUTINE handle_netcdf_error

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