1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.2 2000/04/28 13:50:45 kevin Exp $
7 ** Revision 1.2 2000/04/28 13:50:45 kevin
8 ** Removed Makefile Makefile.in that are automatically generated by autoconf
10 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
11 ** Initial CVS import for first public release
15 ** This program is free software; you can redistribute it and/or modify
16 ** it under the terms of the GNU General Public License (version 2) as
17 ** published by the Free Software Foundation.
19 ** This program is distributed in the hope that it will be useful,
20 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
21 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 ** GNU General Public License for more details.
24 ** You should have received a copy of the GNU General Public License
25 ** along with this program; if not, write to the Free Software
26 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 ******************************************************************************/
29 * phm2rs.c Generate raysum projections from phantom object
32 * 1984 -- Final DOS version
33 * 1999 -- First UNIX version
50 static struct option my_options[] =
52 {"phantom", 1, 0, O_PHANTOM},
53 {"picfile", 1, 0, O_PICFILE},
54 {"desc", 1, 0, O_DESC},
55 {"nray", 1, 0, O_NRAY},
56 {"rotangle", 1, 0, O_ROTANGLE},
57 {"trace", 1, 0, O_TRACE},
58 {"verbose", 0, 0, O_VERBOSE},
59 {"help", 0, 0, O_HELP},
60 {"debug", 0, 0, O_DEBUG},
61 {"inmemory", 0, 0, O_INMEMORY},
62 {"version", 0, 0, O_VERSION},
67 usage (const char *program)
70 if (mpi_ct.my_rank == 0)
73 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--picfile filename] [OPTIONS]\n", kbasename(program));
74 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
75 fprintf(stdout,"a predefined --phantom or a --picfile\n");
77 fprintf(stdout," outfile Name of output file for raysums\n");
78 fprintf(stdout," ndet Number of detectors\n");
79 fprintf(stdout," nview Number of rotated views\n");
80 fprintf(stdout," --phantom Phantom to use for projection\n");
81 fprintf(stdout," herman Herman head phantom\n");
82 fprintf(stdout," rowland Rowland head phantom\n");
83 fprintf(stdout," browland Bordered Rowland head phantom\n");
84 fprintf(stdout," unitpulse Unit pulse phantom\n");
85 fprintf(stdout," --picfile Get Phantom from picture file\n");
86 fprintf(stdout," --desc Description of raysum\n");
87 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
88 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
89 fprintf(stdout," --trace Trace level to use\n");
90 fprintf(stdout," none No tracing (default)\n");
91 fprintf(stdout," text Trace text level\n");
92 fprintf(stdout," pic Trace picture\n");
93 fprintf(stdout," rays Trace rays\n");
94 fprintf(stdout," plot Trace plot\n");
95 fprintf(stdout," clipping Trace clipping\n");
96 fprintf(stdout," --inmemory Use memory storage\n");
97 fprintf(stdout," --verbose Verbose mode\n");
98 fprintf(stdout," --debug Debug mode\n");
99 fprintf(stdout," --version Print version\n");
100 fprintf(stdout," --help Print this help message\n");
103 MPI_Abort(mpi_ct.comm, 1);
109 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
112 main (const int argc, char *const argv[])
117 char str[256], *opt_outfile, opt_desc[MAXREMARK+1];
118 char opt_picfilename[256];
119 char *endptr, *endstr;
120 int opt_ndet, opt_nview;
122 int opt_trace = 0, opt_picnum = -1;
125 int opt_in_memory = FALSE;
126 double opt_rotangle = 1;
127 double time_start, time_end;
131 char **mpi_argv = (char **) argv;
132 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
134 MPI_Init(&mpi_argc, &mpi_argv);
135 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
136 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
137 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
139 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
140 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
141 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);
189 opt_trace = opt_set_trace(optarg, argv[0]);
192 strncpy(opt_desc, optarg, sizeof(opt_desc));
195 opt_rotangle = strtod(optarg, &endptr);
196 endstr = optarg + strlen(optarg);
197 if (endptr != endstr) {
198 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
204 opt_nray = strtol(optarg, &endptr, 10);
205 endstr = optarg + strlen(optarg);
206 if (endptr != endstr) {
207 fprintf(stderr,"Error setting --nray to %s\n", optarg);
214 fprintf(stdout, "Version %s\n", VERSION);
216 fprintf(stderr, "Unknown version number");
230 fprintf(stderr, "No phantom defined\n");
234 if (optind + 3 != argc) {
238 opt_outfile = argv[optind];
239 opt_ndet = strtol(argv[optind+1], &endptr, 10);
240 endstr = argv[optind+1] + strlen(argv[optind+1]);
241 if (endptr != endstr) {
242 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
246 opt_nview = strtol(argv[optind+2], &endptr, 10);
247 endstr = argv[optind+2] + strlen(argv[optind+2]);
248 if (endptr != endstr) {
249 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
254 snprintf(str, sizeof(str),
255 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
256 opt_ndet, opt_nview, opt_nray, opt_rotangle);
257 if (opt_picfilename[0]) {
258 strncat(str, "Phantom=", sizeof(str));
259 strncat(str, opt_picfilename, sizeof(str));
260 } else if (opt_picnum != -1) {
261 strncat(str, "Phantom=", sizeof(str));
262 strncat(str, name_of_picture(opt_picnum), sizeof(str));
265 strncat(str, ": ", sizeof(str));
266 strncat(str, opt_desc, sizeof(str));
268 strncpy(opt_desc, str, sizeof(opt_desc));
274 MPI_Barrier(mpi_ct.comm);
275 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
276 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
277 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
278 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
279 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
280 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
281 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
282 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
284 if (mpi_ct.my_rank > 0 && opt_picnum > 0)
285 pic = create_pic(opt_picnum);
289 det = detect_create (pic, opt_ndet, opt_nview, opt_nray, opt_rotangle);
292 mpi_ct_calc_work_units(opt_nview);
293 if (mpi_ct.my_rank == 0) {
294 rs_global = raysum_create_from_det (opt_outfile, det, TRUE);
297 rs_local = raysum_create_from_det (NULL, det, TRUE);
298 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
300 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
303 mpi_t1 = MPI_Wtime();
304 raysum_collect (rs_local, det, pic, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
306 mpi_t2 = MPI_Wtime();
307 mpi_t = mpi_t2 - mpi_t1;
308 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
309 if (mpi_ct.my_rank == 0)
310 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
314 mpi_t1 = MPI_Wtime();
315 mpi_gather_rs(rs_global, rs_local, opt_debug);
317 mpi_t2 = MPI_Wtime();
318 mpi_t = mpi_t2 - mpi_t1;
319 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
320 if (mpi_ct.my_rank == 0)
321 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
324 rs_global = raysum_create_from_det (opt_outfile, det, opt_in_memory);
325 raysum_collect (rs_global, det, pic, 0, opt_trace, FALSE);
329 time_end = MPI_Wtime();
330 if (mpi_ct.my_rank == 0) {
331 rs_global->calctime = time_end - time_start;
332 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
334 fprintf(stdout, "Remark: %s\n", rs_global->remark);
335 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
339 time_end = td_current_sec();
340 rs_global->calctime = time_end - time_start;
341 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
343 fprintf(stdout, "Remark: %s\n", rs_global->remark);
344 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
349 if (mpi_ct.my_rank == 0) {
350 raysum_write (rs_global);
351 raysum_close (rs_global);
355 raysum_write (rs_global);
356 raysum_close (rs_global);
361 if (opt_trace >= TRACE_PIC)
364 printf("Finished\n");
372 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
378 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
379 for (iw = 0; iw <= end_work_unit; iw++) {
380 MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
381 MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
382 MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
385 if (mpi_ct.my_rank == 0) {
386 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
387 end_work_unit = mpi_ct.start_work_unit[iproc]
388 + mpi_ct.local_work_units[iproc]
392 fprintf(stdout, "Recv rs data from process %d\n", iproc);
394 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
397 MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
398 MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
399 MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);