1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.4 2000/04/30 04:06:13 kevin Exp $
7 ** Revision 1.4 2000/04/30 04:06:13 kevin
8 ** Update Raysum i/o routines
9 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
11 ** Revision 1.3 2000/04/29 23:24:56 kevin
12 ** *** empty log message ***
14 ** Revision 1.2 2000/04/28 13:50:45 kevin
15 ** Removed Makefile Makefile.in that are automatically generated by autoconf
17 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
18 ** Initial CVS import for first public release
22 ** This program is free software; you can redistribute it and/or modify
23 ** it under the terms of the GNU General Public License (version 2) as
24 ** published by the Free Software Foundation.
26 ** This program is distributed in the hope that it will be useful,
27 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
28 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 ** GNU General Public License for more details.
31 ** You should have received a copy of the GNU General Public License
32 ** along with this program; if not, write to the Free Software
33 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 ******************************************************************************/
36 * phm2rs.c Generate raysum projections from phantom object
39 * 1984 -- Final DOS version
40 * 1999 -- First UNIX version
56 static struct option my_options[] =
58 {"phantom", 1, 0, O_PHANTOM},
59 {"picfile", 1, 0, O_PICFILE},
60 {"desc", 1, 0, O_DESC},
61 {"nray", 1, 0, O_NRAY},
62 {"rotangle", 1, 0, O_ROTANGLE},
63 {"trace", 1, 0, O_TRACE},
64 {"verbose", 0, 0, O_VERBOSE},
65 {"help", 0, 0, O_HELP},
66 {"debug", 0, 0, O_DEBUG},
67 {"version", 0, 0, O_VERSION},
72 usage (const char *program)
75 if (mpi_ct.my_rank == 0)
78 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--picfile filename] [OPTIONS]\n", kbasename(program));
79 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
80 fprintf(stdout,"a predefined --phantom or a --picfile\n");
82 fprintf(stdout," outfile Name of output file for raysums\n");
83 fprintf(stdout," ndet Number of detectors\n");
84 fprintf(stdout," nview Number of rotated views\n");
85 fprintf(stdout," --phantom Phantom to use for projection\n");
86 fprintf(stdout," herman Herman head phantom\n");
87 fprintf(stdout," rowland Rowland head phantom\n");
88 fprintf(stdout," browland Bordered Rowland head phantom\n");
89 fprintf(stdout," unitpulse Unit pulse phantom\n");
90 fprintf(stdout," --picfile Get Phantom from picture file\n");
91 fprintf(stdout," --desc Description of raysum\n");
92 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
93 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
94 fprintf(stdout," --trace Trace level to use\n");
95 fprintf(stdout," none No tracing (default)\n");
96 fprintf(stdout," text Trace text level\n");
97 fprintf(stdout," pic Trace picture\n");
98 fprintf(stdout," rays Trace rays\n");
99 fprintf(stdout," plot Trace plot\n");
100 fprintf(stdout," clipping Trace clipping\n");
101 fprintf(stdout," --verbose Verbose mode\n");
102 fprintf(stdout," --debug Debug mode\n");
103 fprintf(stdout," --version Print version\n");
104 fprintf(stdout," --help Print this help message\n");
107 MPI_Abort(mpi_ct.comm, 1);
113 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
116 main (const int argc, char *const argv[])
121 char str[256], *opt_outfile, opt_desc[MAXREMARK+1];
122 char opt_picfilename[256];
123 char *endptr, *endstr;
124 int opt_ndet, opt_nview;
126 int opt_trace = 0, opt_picnum = -1;
129 double opt_rotangle = 1;
130 double time_start, time_end;
134 char **mpi_argv = (char **) argv;
135 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
137 MPI_Init(&mpi_argc, &mpi_argv);
138 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
139 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
140 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
142 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
143 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
144 mpi_ct.nproc, MPI_MAX_PROCESS);
147 time_start = MPI_Wtime();
149 time_start = td_current_sec();
153 if (mpi_ct.my_rank == 0) {
155 strcpy(opt_desc, "");
156 strcpy(opt_picfilename, "");
158 int c = getopt_long(argc, argv, "", my_options, NULL);
167 opt_picnum = opt_set_picture(optarg, argv[0]);
168 pic = create_pic(opt_picnum);
172 if (mpi_ct.my_rank == 0)
173 fprintf(stderr, "Can not read picture from file in MPI mode\n");
176 strncpy(opt_picfilename, optarg, sizeof(opt_picfilename));
177 pic = create_pic_from_file(opt_picfilename);
187 opt_trace = opt_set_trace(optarg, argv[0]);
190 strncpy(opt_desc, optarg, sizeof(opt_desc));
193 opt_rotangle = strtod(optarg, &endptr);
194 endstr = optarg + strlen(optarg);
195 if (endptr != endstr) {
196 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
202 opt_nray = strtol(optarg, &endptr, 10);
203 endstr = optarg + strlen(optarg);
204 if (endptr != endstr) {
205 fprintf(stderr,"Error setting --nray to %s\n", optarg);
212 fprintf(stdout, "Version %s\n", VERSION);
214 fprintf(stderr, "Unknown version number");
228 fprintf(stderr, "No phantom defined\n");
232 if (optind + 3 != argc) {
236 opt_outfile = argv[optind];
237 opt_ndet = strtol(argv[optind+1], &endptr, 10);
238 endstr = argv[optind+1] + strlen(argv[optind+1]);
239 if (endptr != endstr) {
240 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
244 opt_nview = strtol(argv[optind+2], &endptr, 10);
245 endstr = argv[optind+2] + strlen(argv[optind+2]);
246 if (endptr != endstr) {
247 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
252 snprintf(str, sizeof(str),
253 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
254 opt_ndet, opt_nview, opt_nray, opt_rotangle);
255 if (opt_picfilename[0]) {
256 strncat(str, "Phantom=", sizeof(str));
257 strncat(str, opt_picfilename, sizeof(str));
258 } else if (opt_picnum != -1) {
259 strncat(str, "Phantom=", sizeof(str));
260 strncat(str, name_of_picture(opt_picnum), sizeof(str));
263 strncat(str, ": ", sizeof(str));
264 strncat(str, opt_desc, sizeof(str));
266 strncpy(opt_desc, str, sizeof(opt_desc));
272 MPI_Barrier(mpi_ct.comm);
273 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
274 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
275 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
276 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
277 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
278 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
279 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
280 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
282 if (mpi_ct.my_rank > 0 && opt_picnum > 0)
283 pic = create_pic(opt_picnum);
287 det = detect_create (pic, opt_ndet, opt_nview, opt_nray, opt_rotangle);
290 mpi_ct_calc_work_units(opt_nview);
291 if (mpi_ct.my_rank == 0) {
292 rs_global = raysum_create_from_det (opt_outfile, det);
295 rs_local = raysum_create_from_det (NULL, det);
296 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
298 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
301 mpi_t1 = MPI_Wtime();
302 raysum_collect (rs_local, det, pic, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
304 mpi_t2 = MPI_Wtime();
305 mpi_t = mpi_t2 - mpi_t1;
306 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
307 if (mpi_ct.my_rank == 0)
308 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
312 mpi_t1 = MPI_Wtime();
313 mpi_gather_rs(rs_global, rs_local, opt_debug);
315 mpi_t2 = MPI_Wtime();
316 mpi_t = mpi_t2 - mpi_t1;
317 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
318 if (mpi_ct.my_rank == 0)
319 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
322 rs_global = raysum_create_from_det (opt_outfile, det);
323 raysum_collect (rs_global, det, pic, 0, opt_trace, FALSE);
327 time_end = MPI_Wtime();
328 if (mpi_ct.my_rank == 0) {
329 rs_global->calctime = time_end - time_start;
330 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
332 fprintf(stdout, "Remark: %s\n", rs_global->remark);
333 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
337 time_end = td_current_sec();
338 rs_global->calctime = time_end - time_start;
339 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
341 fprintf(stdout, "Remark: %s\n", rs_global->remark);
342 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
347 if (mpi_ct.my_rank == 0) {
348 raysum_write (rs_global);
349 raysum_close (rs_global);
352 raysum_write (rs_global);
353 raysum_close (rs_global);
358 if (opt_trace >= TRACE_PIC)
361 printf("Finished\n");
369 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
375 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
376 for (iw = 0; iw <= end_work_unit; iw++) {
377 MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
378 MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
379 MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
382 if (mpi_ct.my_rank == 0) {
383 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
384 end_work_unit = mpi_ct.start_work_unit[iproc]
385 + mpi_ct.local_work_units[iproc]
389 fprintf(stdout, "Recv rs data from process %d\n", iproc);
391 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
394 MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
395 MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
396 MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);