1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.6 2000/04/30 18:23:53 kevin Exp $
7 ** Revision 1.6 2000/04/30 18:23:53 kevin
10 ** Revision 1.5 2000/04/30 10:13:27 kevin
13 ** Revision 1.4 2000/04/30 04:06:13 kevin
14 ** Update Raysum i/o routines
15 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
17 ** Revision 1.3 2000/04/29 23:24:56 kevin
18 ** *** empty log message ***
20 ** Revision 1.2 2000/04/28 13:50:45 kevin
21 ** Removed Makefile Makefile.in that are automatically generated by autoconf
23 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
24 ** Initial CVS import for first public release
28 ** This program is free software; you can redistribute it and/or modify
29 ** it under the terms of the GNU General Public License (version 2) as
30 ** published by the Free Software Foundation.
32 ** This program is distributed in the hope that it will be useful,
33 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
34 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
35 ** GNU General Public License for more details.
37 ** You should have received a copy of the GNU General Public License
38 ** along with this program; if not, write to the Free Software
39 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
40 ******************************************************************************/
42 * phm2rs.c Generate raysum projections from phantom object
45 * 1984 -- Final DOS version
46 * 1999 -- First UNIX version
62 static struct option my_options[] =
64 {"phantom", 1, 0, O_PHANTOM},
65 {"picfile", 1, 0, O_PICFILE},
66 {"desc", 1, 0, O_DESC},
67 {"nray", 1, 0, O_NRAY},
68 {"rotangle", 1, 0, O_ROTANGLE},
69 {"trace", 1, 0, O_TRACE},
70 {"verbose", 0, 0, O_VERBOSE},
71 {"help", 0, 0, O_HELP},
72 {"debug", 0, 0, O_DEBUG},
73 {"version", 0, 0, O_VERSION},
78 usage (const char *program)
81 if (mpi_ct.my_rank == 0)
84 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--picfile filename] [OPTIONS]\n", kbasename(program));
85 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
86 fprintf(stdout,"a predefined --phantom or a --picfile\n");
88 fprintf(stdout," outfile Name of output file for raysums\n");
89 fprintf(stdout," ndet Number of detectors\n");
90 fprintf(stdout," nview Number of rotated views\n");
91 fprintf(stdout," --phantom Phantom to use for projection\n");
92 fprintf(stdout," herman Herman head phantom\n");
93 fprintf(stdout," rowland Rowland head phantom\n");
94 fprintf(stdout," browland Bordered Rowland head phantom\n");
95 fprintf(stdout," unitpulse Unit pulse phantom\n");
96 fprintf(stdout," --picfile Get Phantom from picture file\n");
97 fprintf(stdout," --desc Description of raysum\n");
98 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
99 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
100 fprintf(stdout," --trace Trace level to use\n");
101 fprintf(stdout," none No tracing (default)\n");
102 fprintf(stdout," text Trace text level\n");
103 fprintf(stdout," pic Trace picture\n");
104 fprintf(stdout," rays Trace rays\n");
105 fprintf(stdout," plot Trace plot\n");
106 fprintf(stdout," clipping Trace clipping\n");
107 fprintf(stdout," --verbose Verbose mode\n");
108 fprintf(stdout," --debug Debug mode\n");
109 fprintf(stdout," --version Print version\n");
110 fprintf(stdout," --help Print this help message\n");
113 MPI_Abort(mpi_ct.comm, 1);
119 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
122 main (const int argc, char *const argv[])
126 RAYSUM *rs_global = NULL;
127 char str[256], *opt_outfile = NULL, opt_desc[MAXREMARK+1];
128 char opt_picfilename[256];
129 char *endptr, *endstr;
130 int opt_ndet, opt_nview;
132 int opt_trace = 0, opt_picnum = -1;
135 double opt_rotangle = 1;
136 double time_start = 0, time_end = 0;
140 char **mpi_argv = (char **) argv;
141 double mpi_t1 = 0, mpi_t2 = 0, mpi_t, mpi_t_g;
143 MPI_Init(&mpi_argc, &mpi_argv);
144 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
145 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
146 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
148 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
149 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
150 mpi_ct.nproc, MPI_MAX_PROCESS);
153 time_start = MPI_Wtime();
155 time_start = td_current_sec();
159 if (mpi_ct.my_rank == 0) {
161 strcpy(opt_desc, "");
162 strcpy(opt_picfilename, "");
164 int c = getopt_long(argc, argv, "", my_options, NULL);
173 opt_picnum = opt_set_picture(optarg, argv[0]);
174 pic = create_pic(opt_picnum);
178 if (mpi_ct.my_rank == 0)
179 fprintf(stderr, "Can not read picture from file in MPI mode\n");
182 strncpy(opt_picfilename, optarg, sizeof(opt_picfilename));
183 pic = create_pic_from_file(opt_picfilename);
193 opt_trace = opt_set_trace(optarg, argv[0]);
196 strncpy(opt_desc, optarg, sizeof(opt_desc));
199 opt_rotangle = strtod(optarg, &endptr);
200 endstr = optarg + strlen(optarg);
201 if (endptr != endstr) {
202 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
208 opt_nray = strtol(optarg, &endptr, 10);
209 endstr = optarg + strlen(optarg);
210 if (endptr != endstr) {
211 fprintf(stderr,"Error setting --nray to %s\n", optarg);
218 fprintf(stdout, "Version %s\n", VERSION);
220 fprintf(stderr, "Unknown version number");
234 fprintf(stderr, "No phantom defined\n");
238 if (optind + 3 != argc) {
242 opt_outfile = argv[optind];
243 opt_ndet = strtol(argv[optind+1], &endptr, 10);
244 endstr = argv[optind+1] + strlen(argv[optind+1]);
245 if (endptr != endstr) {
246 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
250 opt_nview = strtol(argv[optind+2], &endptr, 10);
251 endstr = argv[optind+2] + strlen(argv[optind+2]);
252 if (endptr != endstr) {
253 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
258 snprintf(str, sizeof(str),
259 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
260 opt_ndet, opt_nview, opt_nray, opt_rotangle);
261 if (opt_picfilename[0]) {
262 strncat(str, "Phantom=", sizeof(str));
263 strncat(str, opt_picfilename, sizeof(str));
264 } else if (opt_picnum != -1) {
265 strncat(str, "Phantom=", sizeof(str));
266 strncat(str, name_of_picture(opt_picnum), sizeof(str));
269 strncat(str, ": ", sizeof(str));
270 strncat(str, opt_desc, sizeof(str));
272 strncpy(opt_desc, str, sizeof(opt_desc));
278 MPI_Barrier(mpi_ct.comm);
279 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
280 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
281 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
282 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
283 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
284 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
285 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
286 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
288 if (mpi_ct.my_rank > 0 && opt_picnum > 0)
289 pic = create_pic(opt_picnum);
293 det = detect_create (pic, opt_ndet, opt_nview, opt_nray, opt_rotangle);
296 mpi_ct_calc_work_units(opt_nview);
297 if (mpi_ct.my_rank == 0) {
298 rs_global = raysum_create_from_det (opt_outfile, det);
299 raysum_alloc_views(rs_global);
302 rs_local = raysum_create_from_det (NULL, det);
303 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
305 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
308 mpi_t1 = MPI_Wtime();
309 raysum_collect (rs_local, det, pic, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
311 mpi_t2 = MPI_Wtime();
312 mpi_t = mpi_t2 - mpi_t1;
313 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
314 if (mpi_ct.my_rank == 0)
315 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
319 mpi_t1 = MPI_Wtime();
320 mpi_gather_rs(rs_global, rs_local, opt_debug);
322 mpi_t2 = MPI_Wtime();
323 mpi_t = mpi_t2 - mpi_t1;
324 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
325 if (mpi_ct.my_rank == 0)
326 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
329 rs_global = raysum_create_from_det (opt_outfile, det);
330 raysum_collect (rs_global, det, pic, 0, opt_trace, FALSE);
334 time_end = MPI_Wtime();
335 if (mpi_ct.my_rank == 0) {
336 rs_global->calctime = time_end - time_start;
337 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
339 fprintf(stdout, "Remark: %s\n", rs_global->remark);
340 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
344 time_end = td_current_sec();
345 rs_global->calctime = time_end - time_start;
346 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
348 fprintf(stdout, "Remark: %s\n", rs_global->remark);
349 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
354 if (mpi_ct.my_rank == 0) {
355 raysum_write (rs_global);
356 raysum_close (rs_global);
359 raysum_write (rs_global);
360 raysum_close (rs_global);
365 if (opt_trace >= TRACE_PIC)
368 printf("Finished\n");
376 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
382 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
383 for (iw = 0; iw <= end_work_unit; iw++) {
384 MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
385 MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
386 MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
389 if (mpi_ct.my_rank == 0) {
390 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
391 end_work_unit = mpi_ct.start_work_unit[iproc]
392 + mpi_ct.local_work_units[iproc]
396 fprintf(stdout, "Recv rs data from process %d\n", iproc);
398 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
401 MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
402 MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
403 MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);