1 /*****************************************************************************
2 ** This is part of the CTSim program
3 ** Copyright (C) 1983-2000 Kevin Rosenberg
5 ** $Id: phm2rs.c,v 1.5 2000/04/30 10:13:27 kevin Exp $
7 ** Revision 1.5 2000/04/30 10:13:27 kevin
10 ** Revision 1.4 2000/04/30 04:06:13 kevin
11 ** Update Raysum i/o routines
12 ** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
14 ** Revision 1.3 2000/04/29 23:24:56 kevin
15 ** *** empty log message ***
17 ** Revision 1.2 2000/04/28 13:50:45 kevin
18 ** Removed Makefile Makefile.in that are automatically generated by autoconf
20 ** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
21 ** Initial CVS import for first public release
25 ** This program is free software; you can redistribute it and/or modify
26 ** it under the terms of the GNU General Public License (version 2) as
27 ** published by the Free Software Foundation.
29 ** This program is distributed in the hope that it will be useful,
30 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
31 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
32 ** GNU General Public License for more details.
34 ** You should have received a copy of the GNU General Public License
35 ** along with this program; if not, write to the Free Software
36 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
37 ******************************************************************************/
39 * phm2rs.c Generate raysum projections from phantom object
42 * 1984 -- Final DOS version
43 * 1999 -- First UNIX version
59 static struct option my_options[] =
61 {"phantom", 1, 0, O_PHANTOM},
62 {"picfile", 1, 0, O_PICFILE},
63 {"desc", 1, 0, O_DESC},
64 {"nray", 1, 0, O_NRAY},
65 {"rotangle", 1, 0, O_ROTANGLE},
66 {"trace", 1, 0, O_TRACE},
67 {"verbose", 0, 0, O_VERBOSE},
68 {"help", 0, 0, O_HELP},
69 {"debug", 0, 0, O_DEBUG},
70 {"version", 0, 0, O_VERSION},
75 usage (const char *program)
78 if (mpi_ct.my_rank == 0)
81 fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--picfile filename] [OPTIONS]\n", kbasename(program));
82 fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
83 fprintf(stdout,"a predefined --phantom or a --picfile\n");
85 fprintf(stdout," outfile Name of output file for raysums\n");
86 fprintf(stdout," ndet Number of detectors\n");
87 fprintf(stdout," nview Number of rotated views\n");
88 fprintf(stdout," --phantom Phantom to use for projection\n");
89 fprintf(stdout," herman Herman head phantom\n");
90 fprintf(stdout," rowland Rowland head phantom\n");
91 fprintf(stdout," browland Bordered Rowland head phantom\n");
92 fprintf(stdout," unitpulse Unit pulse phantom\n");
93 fprintf(stdout," --picfile Get Phantom from picture file\n");
94 fprintf(stdout," --desc Description of raysum\n");
95 fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
96 fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
97 fprintf(stdout," --trace Trace level to use\n");
98 fprintf(stdout," none No tracing (default)\n");
99 fprintf(stdout," text Trace text level\n");
100 fprintf(stdout," pic Trace picture\n");
101 fprintf(stdout," rays Trace rays\n");
102 fprintf(stdout," plot Trace plot\n");
103 fprintf(stdout," clipping Trace clipping\n");
104 fprintf(stdout," --verbose Verbose mode\n");
105 fprintf(stdout," --debug Debug mode\n");
106 fprintf(stdout," --version Print version\n");
107 fprintf(stdout," --help Print this help message\n");
110 MPI_Abort(mpi_ct.comm, 1);
116 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
119 main (const int argc, char *const argv[])
124 char str[256], *opt_outfile, opt_desc[MAXREMARK+1];
125 char opt_picfilename[256];
126 char *endptr, *endstr;
127 int opt_ndet, opt_nview;
129 int opt_trace = 0, opt_picnum = -1;
132 double opt_rotangle = 1;
133 double time_start, time_end;
137 char **mpi_argv = (char **) argv;
138 double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
140 MPI_Init(&mpi_argc, &mpi_argv);
141 MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
142 MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
143 MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
145 if (mpi_ct.nproc > MPI_MAX_PROCESS) {
146 sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)",
147 mpi_ct.nproc, MPI_MAX_PROCESS);
150 time_start = MPI_Wtime();
152 time_start = td_current_sec();
156 if (mpi_ct.my_rank == 0) {
158 strcpy(opt_desc, "");
159 strcpy(opt_picfilename, "");
161 int c = getopt_long(argc, argv, "", my_options, NULL);
170 opt_picnum = opt_set_picture(optarg, argv[0]);
171 pic = create_pic(opt_picnum);
175 if (mpi_ct.my_rank == 0)
176 fprintf(stderr, "Can not read picture from file in MPI mode\n");
179 strncpy(opt_picfilename, optarg, sizeof(opt_picfilename));
180 pic = create_pic_from_file(opt_picfilename);
190 opt_trace = opt_set_trace(optarg, argv[0]);
193 strncpy(opt_desc, optarg, sizeof(opt_desc));
196 opt_rotangle = strtod(optarg, &endptr);
197 endstr = optarg + strlen(optarg);
198 if (endptr != endstr) {
199 fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
205 opt_nray = strtol(optarg, &endptr, 10);
206 endstr = optarg + strlen(optarg);
207 if (endptr != endstr) {
208 fprintf(stderr,"Error setting --nray to %s\n", optarg);
215 fprintf(stdout, "Version %s\n", VERSION);
217 fprintf(stderr, "Unknown version number");
231 fprintf(stderr, "No phantom defined\n");
235 if (optind + 3 != argc) {
239 opt_outfile = argv[optind];
240 opt_ndet = strtol(argv[optind+1], &endptr, 10);
241 endstr = argv[optind+1] + strlen(argv[optind+1]);
242 if (endptr != endstr) {
243 fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
247 opt_nview = strtol(argv[optind+2], &endptr, 10);
248 endstr = argv[optind+2] + strlen(argv[optind+2]);
249 if (endptr != endstr) {
250 fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
255 snprintf(str, sizeof(str),
256 "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
257 opt_ndet, opt_nview, opt_nray, opt_rotangle);
258 if (opt_picfilename[0]) {
259 strncat(str, "Phantom=", sizeof(str));
260 strncat(str, opt_picfilename, sizeof(str));
261 } else if (opt_picnum != -1) {
262 strncat(str, "Phantom=", sizeof(str));
263 strncat(str, name_of_picture(opt_picnum), sizeof(str));
266 strncat(str, ": ", sizeof(str));
267 strncat(str, opt_desc, sizeof(str));
269 strncpy(opt_desc, str, sizeof(opt_desc));
275 MPI_Barrier(mpi_ct.comm);
276 MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
277 MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
278 MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
279 MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
280 MPI_Bcast(&opt_picnum, 1, MPI_INT, 0, mpi_ct.comm);
281 MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
282 MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
283 MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
285 if (mpi_ct.my_rank > 0 && opt_picnum > 0)
286 pic = create_pic(opt_picnum);
290 det = detect_create (pic, opt_ndet, opt_nview, opt_nray, opt_rotangle);
293 mpi_ct_calc_work_units(opt_nview);
294 if (mpi_ct.my_rank == 0) {
295 rs_global = raysum_create_from_det (opt_outfile, det);
296 raysum_alloc_views(rs_global);
299 rs_local = raysum_create_from_det (NULL, det);
300 rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
302 printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
305 mpi_t1 = MPI_Wtime();
306 raysum_collect (rs_local, det, pic, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
308 mpi_t2 = MPI_Wtime();
309 mpi_t = mpi_t2 - mpi_t1;
310 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
311 if (mpi_ct.my_rank == 0)
312 printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
316 mpi_t1 = MPI_Wtime();
317 mpi_gather_rs(rs_global, rs_local, opt_debug);
319 mpi_t2 = MPI_Wtime();
320 mpi_t = mpi_t2 - mpi_t1;
321 MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
322 if (mpi_ct.my_rank == 0)
323 printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
326 rs_global = raysum_create_from_det (opt_outfile, det);
327 raysum_collect (rs_global, det, pic, 0, opt_trace, FALSE);
331 time_end = MPI_Wtime();
332 if (mpi_ct.my_rank == 0) {
333 rs_global->calctime = time_end - time_start;
334 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
336 fprintf(stdout, "Remark: %s\n", rs_global->remark);
337 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
341 time_end = td_current_sec();
342 rs_global->calctime = time_end - time_start;
343 strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
345 fprintf(stdout, "Remark: %s\n", rs_global->remark);
346 fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
351 if (mpi_ct.my_rank == 0) {
352 raysum_write (rs_global);
353 raysum_close (rs_global);
356 raysum_write (rs_global);
357 raysum_close (rs_global);
362 if (opt_trace >= TRACE_PIC)
365 printf("Finished\n");
373 void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
379 end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
380 for (iw = 0; iw <= end_work_unit; iw++) {
381 MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
382 MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
383 MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
386 if (mpi_ct.my_rank == 0) {
387 for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
388 end_work_unit = mpi_ct.start_work_unit[iproc]
389 + mpi_ct.local_work_units[iproc]
393 fprintf(stdout, "Recv rs data from process %d\n", iproc);
395 for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
398 MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
399 MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
400 MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);