1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.7 2000/05/03 08:49:50 kevin Exp $
7 ** Revision 1.7 2000/05/03 08:49:50 kevin
10 ** Revision 1.6 2000/04/30 18:23:53 kevin
13 ** Revision 1.5 2000/04/30 10:13:27 kevin
16 ** Revision 1.4 2000/04/30 04:06:13 kevin
17 ** Update Raysum i/o routines
18 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
20 ** Revision 1.3 2000/04/29 23:24:56 kevin
21 ** *** empty log message ***
23 ** Revision 1.2 2000/04/28 13:50:45 kevin
24 ** Removed Makefile Makefile.in that are automatically generated by autoconf
26 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
27 ** Initial CVS import for first public release
31 ** This program is free software; you can redistribute it and/or modify
32 ** it under the terms of the GNU General Public License (version 2) as
33 ** published by the Free Software Foundation.
35 ** This program is distributed in the hope that it will be useful,
36 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
37 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
38 ** GNU General Public License for more details.
40 ** You should have received a copy of the GNU General Public License
41 ** along with this program; if not, write to the Free Software
42 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
43 ******************************************************************************/
45 * phm2rs.c Generate raysum projections from phantom object
48 * 1984 -- Final DOS version
49 * 1999 -- First UNIX version
65 static struct option my_options[] =
67 {"phantom", 1, 0, O_PHANTOM},
68 {"phmfile", 1, 0, O_PHMFILE},
69 {"desc", 1, 0, O_DESC},
70 {"nray", 1, 0, O_NRAY},
71 {"rotangle", 1, 0, O_ROTANGLE},
72 {"trace", 1, 0, O_TRACE},
73 {"verbose", 0, 0, O_VERBOSE},
74 {"help", 0, 0, O_HELP},
75 {"debug", 0, 0, O_DEBUG},
76 {"version", 0, 0, O_VERSION},
81 usage (const char *program)
84 if (mpi_ct.my_rank == 0)
87 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--phmfile filename] [OPTIONS]\n", kbasename(program));
88 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
89 fprintf(stdout,"a predefined --phantom or a --phmfile\n");
91 fprintf(stdout," outfile Name of output file for raysums\n");
92 fprintf(stdout," ndet Number of detectors\n");
93 fprintf(stdout," nview Number of rotated views\n");
94 fprintf(stdout," --phantom Phantom to use for projection\n");
95 fprintf(stdout," herman Herman head phantom\n");
96 fprintf(stdout," rowland Rowland head phantom\n");
97 fprintf(stdout," browland Bordered Rowland head phantom\n");
98 fprintf(stdout," unitpulse Unit pulse phantom\n");
99 fprintf(stdout," --phmfile Get Phantom from phantom file\n");
100 fprintf(stdout," --desc Description of raysum\n");
101 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
102 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
103 fprintf(stdout," --trace Trace level to use\n");
104 fprintf(stdout," none No tracing (default)\n");
105 fprintf(stdout," text Trace text level\n");
106 fprintf(stdout," phm Trace PHANTOM\n");
107 fprintf(stdout," rays Trace rays\n");
108 fprintf(stdout," plot Trace plot\n");
109 fprintf(stdout," clipping Trace clipping\n");
110 fprintf(stdout," --verbose Verbose mode\n");
111 fprintf(stdout," --debug Debug mode\n");
112 fprintf(stdout," --version Print version\n");
113 fprintf(stdout," --help Print this help message\n");
116 MPI_Abort(mpi_ct.comm, 1);
122 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
125 main (const int argc, char *const argv[])
129 RAYSUM *rs_global = NULL;
130 char str[256], *opt_outfile = NULL, opt_desc[MAXREMARK+1];
131 char opt_phmfilename[256];
132 char *endptr, *endstr;
133 int opt_ndet, opt_nview;
135 int opt_trace = 0, opt_phmnum = -1;
138 double opt_rotangle = 1;
139 double time_start = 0, time_end = 0;
143 char **mpi_argv = (char **) argv;
144 double mpi_t1 = 0, mpi_t2 = 0, mpi_t, mpi_t_g;
146 MPI_Init(&mpi_argc, &mpi_argv);
147 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
148 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
149 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
151 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
152 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
153 mpi_ct.nproc, MPI_MAX_PROCESS);
156 time_start = MPI_Wtime();
158 time_start = td_current_sec();
162 if (mpi_ct.my_rank == 0) {
164 strcpy(opt_desc, "");
165 strcpy(opt_phmfilename, "");
167 int c = getopt_long(argc, argv, "", my_options, NULL);
176 opt_phmnum = opt_set_phantom (optarg, argv[0]);
177 phm = phm_create (opt_phmnum);
181 if (mpi_ct.my_rank == 0)
182 fprintf(stderr, "Can not read phantom from file in MPI mode\n");
185 strncpy(opt_phmfilename, optarg, sizeof(opt_phmfilename));
186 phm = phm_create_from_file(opt_phmfilename);
196 opt_trace = opt_set_trace(optarg, argv[0]);
199 strncpy(opt_desc, optarg, sizeof(opt_desc));
202 opt_rotangle = strtod(optarg, &endptr);
203 endstr = optarg + strlen(optarg);
204 if (endptr != endstr) {
205 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
211 opt_nray = strtol(optarg, &endptr, 10);
212 endstr = optarg + strlen(optarg);
213 if (endptr != endstr) {
214 fprintf(stderr,"Error setting --nray to %s\n", optarg);
221 fprintf(stdout, "Version %s\n", VERSION);
223 fprintf(stderr, "Unknown version number");
237 fprintf(stderr, "No phantom defined\n");
241 if (optind + 3 != argc) {
245 opt_outfile = argv[optind];
246 opt_ndet = strtol(argv[optind+1], &endptr, 10);
247 endstr = argv[optind+1] + strlen(argv[optind+1]);
248 if (endptr != endstr) {
249 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
253 opt_nview = strtol(argv[optind+2], &endptr, 10);
254 endstr = argv[optind+2] + strlen(argv[optind+2]);
255 if (endptr != endstr) {
256 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
261 snprintf(str, sizeof(str),
262 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
263 opt_ndet, opt_nview, opt_nray, opt_rotangle);
264 if (opt_phmfilename[0]) {
265 strncat(str, "Phantom=", sizeof(str));
266 strncat(str, opt_phmfilename, sizeof(str));
267 } else if (opt_phmnum != -1) {
268 strncat(str, "Phantom=", sizeof(str));
269 strncat(str, name_of_phantom(opt_phmnum), sizeof(str));
272 strncat(str, ": ", sizeof(str));
273 strncat(str, opt_desc, sizeof(str));
275 strncpy(opt_desc, str, sizeof(opt_desc));
281 MPI_Barrier(mpi_ct.comm);
282 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
283 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
284 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
285 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
286 MPI_Bcast(&opt_phmnum, 1, MPI_INT, 0, mpi_ct.comm);
287 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
288 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
289 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
291 if (mpi_ct.my_rank > 0 && opt_phmnum > 0)
292 phm = phm_create (opt_phmnum);
296 det = detect_create (phm, opt_ndet, opt_nview, opt_nray, opt_rotangle);
299 mpi_ct_calc_work_units(opt_nview);
300 if (mpi_ct.my_rank == 0) {
301 rs_global = raysum_create_from_det (opt_outfile, det);
302 raysum_alloc_views(rs_global);
305 rs_local = raysum_create_from_det (NULL, det);
306 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
308 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
311 mpi_t1 = MPI_Wtime();
312 raysum_collect (rs_local, det, phm, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
314 mpi_t2 = MPI_Wtime();
315 mpi_t = mpi_t2 - mpi_t1;
316 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
317 if (mpi_ct.my_rank == 0)
318 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
322 mpi_t1 = MPI_Wtime();
323 mpi_gather_rs(rs_global, rs_local, opt_debug);
325 mpi_t2 = MPI_Wtime();
326 mpi_t = mpi_t2 - mpi_t1;
327 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
328 if (mpi_ct.my_rank == 0)
329 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
332 rs_global = raysum_create_from_det (opt_outfile, det);
333 raysum_collect (rs_global, det, phm, 0, opt_trace, FALSE);
337 time_end = MPI_Wtime();
338 if (mpi_ct.my_rank == 0) {
339 rs_global->calctime = time_end - time_start;
340 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
342 fprintf(stdout, "Remark: %s\n", rs_global->remark);
343 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
347 time_end = td_current_sec();
348 rs_global->calctime = time_end - time_start;
349 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
351 fprintf(stdout, "Remark: %s\n", rs_global->remark);
352 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
357 if (mpi_ct.my_rank == 0) {
358 raysum_write (rs_global);
359 raysum_close (rs_global);
362 raysum_write (rs_global);
363 raysum_close (rs_global);
368 if (opt_trace >= TRACE_PHM)
371 printf("Finished\n");
379 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
385 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
386 for (iw = 0; iw <= end_work_unit; iw++) {
387 MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
388 MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
389 MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
392 if (mpi_ct.my_rank == 0) {
393 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
394 end_work_unit = mpi_ct.start_work_unit[iproc]
395 + mpi_ct.local_work_units[iproc]
399 fprintf(stdout, "Recv rs data from process %d\n", iproc);
401 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
404 MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
405 MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
406 MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);