1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.1 2000/04/28 13:02:44 kevin Exp $
7 ** Revision 1.1 2000/04/28 13:02:44 kevin
11 ** This program is free software; you can redistribute it and/or modify
12 ** it under the terms of the GNU General Public License (version 2) as
13 ** published by the Free Software Foundation.
15 ** This program is distributed in the hope that it will be useful,
16 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ** GNU General Public License for more details.
20 ** You should have received a copy of the GNU General Public License
21 ** along with this program; if not, write to the Free Software
22 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 ******************************************************************************/
25 * phm2rs.c Generate raysum projections from phantom object
28 * 1984 -- Final DOS version
29 * 1999 -- First UNIX version
46 static struct option my_options[] =
48 {"phantom", 1, 0, O_PHANTOM},
49 {"picfile", 1, 0, O_PICFILE},
50 {"desc", 1, 0, O_DESC},
51 {"nray", 1, 0, O_NRAY},
52 {"rotangle", 1, 0, O_ROTANGLE},
53 {"trace", 1, 0, O_TRACE},
54 {"verbose", 0, 0, O_VERBOSE},
55 {"help", 0, 0, O_HELP},
56 {"debug", 0, 0, O_DEBUG},
57 {"inmemory", 0, 0, O_INMEMORY},
58 {"version", 0, 0, O_VERSION},
63 usage (const char *program)
66 if (mpi_ct.my_rank == 0)
69 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--picfile filename] [OPTIONS]\n", kbasename(program));
70 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
71 fprintf(stdout,"a predefined --phantom or a --picfile\n");
73 fprintf(stdout," outfile Name of output file for raysums\n");
74 fprintf(stdout," ndet Number of detectors\n");
75 fprintf(stdout," nview Number of rotated views\n");
76 fprintf(stdout," --phantom Phantom to use for projection\n");
77 fprintf(stdout," herman Herman head phantom\n");
78 fprintf(stdout," rowland Rowland head phantom\n");
79 fprintf(stdout," browland Bordered Rowland head phantom\n");
80 fprintf(stdout," unitpulse Unit pulse phantom\n");
81 fprintf(stdout," --picfile Get Phantom from picture file\n");
82 fprintf(stdout," --desc Description of raysum\n");
83 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
84 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
85 fprintf(stdout," --trace Trace level to use\n");
86 fprintf(stdout," none No tracing (default)\n");
87 fprintf(stdout," text Trace text level\n");
88 fprintf(stdout," pic Trace picture\n");
89 fprintf(stdout," rays Trace rays\n");
90 fprintf(stdout," plot Trace plot\n");
91 fprintf(stdout," clipping Trace clipping\n");
92 fprintf(stdout," --inmemory Use memory storage\n");
93 fprintf(stdout," --verbose Verbose mode\n");
94 fprintf(stdout," --debug Debug mode\n");
95 fprintf(stdout," --version Print version\n");
96 fprintf(stdout," --help Print this help message\n");
99 MPI_Abort(mpi_ct.comm, 1);
105 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
108 main (const int argc, char *const argv[])
113 char str[256], *opt_outfile, opt_desc[MAXREMARK+1];
114 char opt_picfilename[256];
115 char *endptr, *endstr;
116 int opt_ndet, opt_nview;
118 int opt_trace = 0, opt_picnum = -1;
121 int opt_in_memory = FALSE;
122 double opt_rotangle = 1;
123 double time_start, time_end;
127 char **mpi_argv = (char **) argv;
128 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
130 MPI_Init(&mpi_argc, &mpi_argv);
131 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
132 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
133 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
135 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
136 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
137 mpi_ct.nproc, MPI_MAX_PROCESS);
143 time_start = MPI_Wtime();
145 time_start = td_current_sec();
149 if (mpi_ct.my_rank == 0) {
151 strcpy(opt_desc, "");
152 strcpy(opt_picfilename, "");
154 int c = getopt_long(argc, argv, "", my_options, NULL);
163 opt_picnum = opt_set_picture(optarg, argv[0]);
164 pic = create_pic(opt_picnum);
168 if (mpi_ct.my_rank == 0)
169 fprintf(stderr, "Can not read picture from file in MPI mode\n");
172 strncpy(opt_picfilename, optarg, sizeof(opt_picfilename));
173 pic = create_pic_from_file(opt_picfilename);
185 opt_trace = opt_set_trace(optarg, argv[0]);
188 strncpy(opt_desc, optarg, sizeof(opt_desc));
191 opt_rotangle = strtod(optarg, &endptr);
192 endstr = optarg + strlen(optarg);
193 if (endptr != endstr) {
194 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
200 opt_nray = strtol(optarg, &endptr, 10);
201 endstr = optarg + strlen(optarg);
202 if (endptr != endstr) {
203 fprintf(stderr,"Error setting --nray to %s\n", optarg);
210 fprintf(stdout, "Version %s\n", VERSION);
212 fprintf(stderr, "Unknown version number");
226 fprintf(stderr, "No phantom defined\n");
230 if (optind + 3 != argc) {
234 opt_outfile = argv[optind];
235 opt_ndet = strtol(argv[optind+1], &endptr, 10);
236 endstr = argv[optind+1] + strlen(argv[optind+1]);
237 if (endptr != endstr) {
238 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
242 opt_nview = strtol(argv[optind+2], &endptr, 10);
243 endstr = argv[optind+2] + strlen(argv[optind+2]);
244 if (endptr != endstr) {
245 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
250 snprintf(str, sizeof(str),
251 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
252 opt_ndet, opt_nview, opt_nray, opt_rotangle);
253 if (opt_picfilename[0]) {
254 strncat(str, "Phantom=", sizeof(str));
255 strncat(str, opt_picfilename, sizeof(str));
256 } else if (opt_picnum != -1) {
257 strncat(str, "Phantom=", sizeof(str));
258 strncat(str, name_of_picture(opt_picnum), sizeof(str));
261 strncat(str, ": ", sizeof(str));
262 strncat(str, opt_desc, sizeof(str));
264 strncpy(opt_desc, str, sizeof(opt_desc));
270 MPI_Barrier(mpi_ct.comm);
271 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
272 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
273 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
274 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
275 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
276 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
277 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
278 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
280 if (mpi_ct.my_rank > 0 && opt_picnum > 0)
281 pic = create_pic(opt_picnum);
285 det = detect_create (pic, opt_ndet, opt_nview, opt_nray, opt_rotangle);
288 mpi_ct_calc_work_units(opt_nview);
289 if (mpi_ct.my_rank == 0) {
290 rs_global = raysum_create_from_det (opt_outfile, det, TRUE);
293 rs_local = raysum_create_from_det (NULL, det, TRUE);
294 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
296 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
299 mpi_t1 = MPI_Wtime();
300 raysum_collect (rs_local, det, pic, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
302 mpi_t2 = MPI_Wtime();
303 mpi_t = mpi_t2 - mpi_t1;
304 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
305 if (mpi_ct.my_rank == 0)
306 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
310 mpi_t1 = MPI_Wtime();
311 mpi_gather_rs(rs_global, rs_local, opt_debug);
313 mpi_t2 = MPI_Wtime();
314 mpi_t = mpi_t2 - mpi_t1;
315 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
316 if (mpi_ct.my_rank == 0)
317 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
320 rs_global = raysum_create_from_det (opt_outfile, det, opt_in_memory);
321 raysum_collect (rs_global, det, pic, 0, opt_trace, FALSE);
325 time_end = MPI_Wtime();
326 if (mpi_ct.my_rank == 0) {
327 rs_global->calctime = time_end - time_start;
328 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
330 fprintf(stdout, "Remark: %s\n", rs_global->remark);
331 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
335 time_end = td_current_sec();
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);
345 if (mpi_ct.my_rank == 0) {
346 raysum_write (rs_global);
347 raysum_close (rs_global);
351 raysum_write (rs_global);
352 raysum_close (rs_global);
357 if (opt_trace >= TRACE_PIC)
359 crt_set_mode (GM_TEXT, TRUE);
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);