--- /dev/null
+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** PURPOSE
+** Generate raysum projections from phantom object
+**
+** HISTORY
+** 1984 -- Final DOS version
+** 1999 -- First UNIX version
+**
+** $Id: phm2rs.cpp,v 1.1 2000/06/07 02:29:05 kevin Exp $
+** $Log: phm2rs.cpp,v $
+** Revision 1.1 2000/06/07 02:29:05 kevin
+** Initial C++ versions
+**
+** Revision 1.12 2000/05/24 22:50:04 kevin
+** Added support for new SGP library
+**
+** Revision 1.11 2000/05/16 04:33:59 kevin
+** Improved option processing
+**
+** Revision 1.9 2000/05/08 20:02:32 kevin
+** ANSI C changes
+**
+** Revision 1.8 2000/05/04 18:16:34 kevin
+** renamed filter definitions
+**
+** Revision 1.7 2000/05/03 08:49:50 kevin
+** Code cleanup
+**
+** Revision 1.6 2000/04/30 18:23:53 kevin
+** Code cleaning
+**
+** Revision 1.5 2000/04/30 10:13:27 kevin
+** Fixed MPI bugs
+**
+** Revision 1.4 2000/04/30 04:06:13 kevin
+** Update Raysum i/o routines
+** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
+**
+** Revision 1.3 2000/04/29 23:24:56 kevin
+** *** empty log message ***
+**
+** Revision 1.2 2000/04/28 13:50:45 kevin
+** Removed Makefile Makefile.in that are automatically generated by autoconf
+**
+** Revision 1.1.1.1 2000/04/28 13:02:44 kevin
+** Initial CVS import for first public release
+**
+**
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License (version 2) as
+** published by the Free Software Foundation.
+**
+** This program is distributed in the hope that it will be useful,
+** but WITHOUT ANY WARRANTY; without even the implied warranty of
+** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+** GNU General Public License for more details.
+**
+** You should have received a copy of the GNU General Public License
+** along with this program; if not, write to the Free Software
+** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+******************************************************************************/
+
+
+#include "ct.h"
+
+enum { O_PHANTOM, O_DESC, O_NRAY, O_ROTANGLE, O_PHMFILE,
+ O_TRACE, O_VERBOSE, O_HELP, O_DEBUG, O_VERSION };
+
+static struct option phm2rs_options[] =
+{
+ {"phantom", 1, 0, O_PHANTOM},
+ {"phmfile", 1, 0, O_PHMFILE},
+ {"desc", 1, 0, O_DESC},
+ {"nray", 1, 0, O_NRAY},
+ {"rotangle", 1, 0, O_ROTANGLE},
+ {"trace", 1, 0, O_TRACE},
+ {"verbose", 0, 0, O_VERBOSE},
+ {"help", 0, 0, O_HELP},
+ {"debug", 0, 0, O_DEBUG},
+ {"version", 0, 0, O_VERSION},
+ {0, 0, 0, 0}
+};
+
+
+void
+phm2rs_usage (const char *program)
+{
+#ifdef MPI_CT
+if (mpi_ct.my_rank == 0)
+ {
+#endif
+ fprintf(stdout,"usage: %s outfile ndet nview [--phantom phantom-name] [--phmfile filename] [OPTIONS]\n", kbasename(program));
+ fprintf(stdout,"Calculate raysums (projections) through phantom object, either\n");
+ fprintf(stdout,"a predefined --phantom or a --phmfile\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout," outfile Name of output file for raysums\n");
+ fprintf(stdout," ndet Number of detectors\n");
+ fprintf(stdout," nview Number of rotated views\n");
+ fprintf(stdout," --phantom Phantom to use for projection\n");
+ fprintf(stdout," herman Herman head phantom\n");
+ fprintf(stdout," rowland Rowland head phantom\n");
+ fprintf(stdout," browland Bordered Rowland head phantom\n");
+ fprintf(stdout," unitpulse Unit pulse phantom\n");
+ fprintf(stdout," --phmfile Get Phantom from phantom file\n");
+ fprintf(stdout," --desc Description of raysum\n");
+ fprintf(stdout," --nray Number of rays per detector (default = 1)\n");
+ fprintf(stdout," --rotangle Degrees to rotate view through, multiple of PI (default = 1)\n");
+ fprintf(stdout," --trace Trace level to use\n");
+ fprintf(stdout," none No tracing (default)\n");
+ fprintf(stdout," text Trace text level\n");
+ fprintf(stdout," phm Trace phantom image\n");
+ fprintf(stdout," rays Trace rays\n");
+ fprintf(stdout," plot Trace plot\n");
+ fprintf(stdout," clipping Trace clipping\n");
+ fprintf(stdout," --verbose Verbose mode\n");
+ fprintf(stdout," --debug Debug mode\n");
+ fprintf(stdout," --version Print version\n");
+ fprintf(stdout," --help Print this help message\n");
+#ifdef MPI_CT
+ }
+ MPI_Abort(mpi_ct.comm, 1);
+#endif
+}
+
+#ifdef MPI_CT
+void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug);
+#endif
+
+int
+phm2rs_main (const int argc, char *const argv[])
+{
+ DETECTOR *det;
+ PHANTOM *phm = NULL;
+ RAYSUM *rs_global = NULL;
+ char str[256], *opt_outfile = NULL, opt_desc[MAXREMARK+1];
+ char opt_phmfilename[256];
+ char *endptr, *endstr;
+ int opt_ndet, opt_nview;
+ int opt_nray = 1;
+ int opt_trace = 0, opt_phmnum = -1;
+ int opt_verbose = 0;
+ int opt_debug = 0;
+ double opt_rotangle = 1;
+ double time_start = 0, time_end = 0;
+
+#ifndef MPI_CT
+ time_start = td_current_sec();
+#else
+ RAYSUM *rs_local;
+ int mpi_argc = argc;
+ char **mpi_argv = (char **) argv;
+ double mpi_t1 = 0, mpi_t2 = 0, mpi_t, mpi_t_g;
+
+ MPI_Init(&mpi_argc, &mpi_argv);
+ MPI_Comm_dup (MPI_COMM_WORLD, &mpi_ct.comm);
+ MPI_Comm_size(mpi_ct.comm, &mpi_ct.nproc);
+ MPI_Comm_rank(mpi_ct.comm, &mpi_ct.my_rank);
+
+ if (mpi_ct.nproc > MPI_MAX_PROCESS) {
+ sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)", mpi_ct.nproc, MPI_MAX_PROCESS);
+ exit(1);
+ }
+ time_start = MPI_Wtime();
+#endif
+
+#ifdef MPI_CT
+ if (mpi_ct.my_rank == 0) {
+#endif
+ strcpy(opt_desc, "");
+ strcpy(opt_phmfilename, "");
+ while (1) {
+ int c = getopt_long(argc, argv, "", phm2rs_options, NULL);
+ char *endptr = NULL;
+ char *endstr;
+
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case O_PHANTOM:
+ if ((opt_phmnum = opt_set_phantom (optarg)) < 0) {
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ phm = phm_create (opt_phmnum);
+ break;
+ case O_PHMFILE:
+#ifdef MPI_CT
+ if (mpi_ct.my_rank == 0)
+ fprintf(stderr, "Can not read phantom from file in MPI mode\n");
+ return (1);
+#endif
+ strncpy(opt_phmfilename, optarg, sizeof(opt_phmfilename));
+ phm = phm_create_from_file(opt_phmfilename);
+ break;
+ case O_VERBOSE:
+ opt_verbose = 1;
+ break;
+ case O_DEBUG:
+ opt_debug = 1;
+ break;
+ break;
+ case O_TRACE:
+ if ((opt_trace = opt_set_trace(optarg)) < 0) {
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_DESC:
+ strncpy(opt_desc, optarg, sizeof(opt_desc));
+ break;
+ case O_ROTANGLE:
+ opt_rotangle = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --rotangle to %s\n", optarg);
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_NRAY:
+ opt_nray = strtol(optarg, &endptr, 10);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --nray to %s\n", optarg);
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_VERSION:
+#ifdef VERSION
+ fprintf(stdout, "Version %s\n", VERSION);
+#else
+ fprintf(stderr, "Unknown version number");
+#endif
+ exit(0);
+ case O_HELP:
+ case '?':
+ phm2rs_usage(argv[0]);
+ return (0);
+ default:
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ }
+
+ if (phm == NULL) {
+ fprintf(stderr, "No phantom defined\n");
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ if (optind + 3 != argc) {
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+
+ opt_outfile = argv[optind];
+ opt_ndet = strtol(argv[optind+1], &endptr, 10);
+ endstr = argv[optind+1] + strlen(argv[optind+1]);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --ndet to %s\n", argv[optind+1]);
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+ opt_nview = strtol(argv[optind+2], &endptr, 10);
+ endstr = argv[optind+2] + strlen(argv[optind+2]);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --nview to %s\n", argv[optind+2]);
+ phm2rs_usage(argv[0]);
+ return (1);
+ }
+
+ snprintf(str, sizeof(str),
+ "Raysum_Collect: NDet=%d, Nview=%d, NRay=%d, RotAngle=%.2f, ",
+ opt_ndet, opt_nview, opt_nray, opt_rotangle);
+ if (opt_phmfilename[0]) {
+ strncat(str, "Phantom=", sizeof(str));
+ strncat(str, opt_phmfilename, sizeof(str));
+ } else if (opt_phmnum != -1) {
+ strncat(str, "Phantom=", sizeof(str));
+ strncat(str, name_of_phantom(opt_phmnum), sizeof(str));
+ }
+ if (opt_desc[0]) {
+ strncat(str, ": ", sizeof(str));
+ strncat(str, opt_desc, sizeof(str));
+ }
+ strncpy(opt_desc, str, sizeof(opt_desc));
+#ifdef MPI_CT
+ }
+#endif
+
+#ifdef MPI_CT
+ MPI_Barrier(mpi_ct.comm);
+ MPI_Bcast(&opt_rotangle, 1, MPI_DOUBLE, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_nview, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_ndet, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_nray, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_phmnum, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_verbose, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_debug, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_trace, 1, MPI_INT, 0, mpi_ct.comm);
+
+ if (mpi_ct.my_rank > 0 && opt_phmnum >= 0)
+ phm = phm_create (opt_phmnum);
+#endif
+
+ opt_rotangle *= PI;
+ det = detector_create (phm, DETECTOR_PARALLEL, opt_ndet, opt_nview, opt_nray, opt_rotangle);
+
+#ifdef MPI_CT
+ mpi_ct_calc_work_units(opt_nview);
+ if (mpi_ct.my_rank == 0) {
+ rs_global = raysum_create_from_det (opt_outfile, det);
+ raysum_alloc_views(rs_global);
+ }
+
+ rs_local = raysum_create_from_det (NULL, det);
+ rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
+ if (opt_debug)
+ printf("rs_local->nview = %d (process %d)\n", rs_local->nview, mpi_ct.my_rank);
+
+ if (opt_verbose)
+ mpi_t1 = MPI_Wtime();
+ raysum_collect (rs_local, det, phm, mpi_ct.start_work_unit[mpi_ct.my_rank], opt_trace, FALSE);
+ if (opt_verbose) {
+ mpi_t2 = MPI_Wtime();
+ mpi_t = mpi_t2 - mpi_t1;
+ MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
+ if (mpi_ct.my_rank == 0)
+ printf("Time to collect rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
+ }
+
+ if (opt_verbose)
+ mpi_t1 = MPI_Wtime();
+ mpi_gather_rs(rs_global, rs_local, opt_debug);
+ if (opt_verbose) {
+ mpi_t2 = MPI_Wtime();
+ mpi_t = mpi_t2 - mpi_t1;
+ MPI_Reduce(&mpi_t, &mpi_t_g, 1, MPI_DOUBLE, MPI_MAX, 0, mpi_ct.comm);
+ if (mpi_ct.my_rank == 0)
+ printf("Time to gather rs = %f secs, Max = %f secs\n", mpi_t, mpi_t_g);
+ }
+#else
+ rs_global = raysum_create_from_det (opt_outfile, det);
+ raysum_collect (rs_global, det, phm, 0, opt_trace, FALSE);
+#endif
+
+#ifndef MPI_CT
+ time_end = td_current_sec();
+#else
+ time_end = MPI_Wtime();
+ if (mpi_ct.my_rank == 0)
+#endif
+ {
+ rs_global->calctime = time_end - time_start;
+ strncpy (rs_global->remark, opt_desc, sizeof(rs_global->remark));
+ if (opt_verbose) {
+ fprintf(stdout, "Remark: %s\n", rs_global->remark);
+ fprintf(stdout, "Time active = %.2f secs\n", rs_global->calctime);
+ }
+ }
+
+#ifdef MPI_CT
+ if (mpi_ct.my_rank == 0)
+#endif
+ {
+ raysum_write (rs_global);
+ raysum_close (rs_global);
+ }
+
+ phm_free (phm);
+ detector_free (det);
+
+ return (0);
+}
+
+
+/* FUNCTION
+ * mpi_gather_rs
+ *
+ * SYNOPSIS
+ * Gather's raysums from all processes in rs_local in rs_global in process 0
+ */
+
+#ifdef MPI_CT
+void mpi_gather_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
+{
+ int iproc;
+ int end_work_unit;
+ int iw;
+
+ end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
+ for (iw = 0; iw <= end_work_unit; iw++) {
+ MPI_Send(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm);
+ MPI_Send(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm);
+ MPI_Send(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm);
+ }
+
+ if (mpi_ct.my_rank == 0) {
+ for (iproc = 0; iproc < mpi_ct.nproc; iproc++) {
+ end_work_unit = mpi_ct.start_work_unit[iproc]
+ + mpi_ct.local_work_units[iproc]
+ - 1;
+
+ if (opt_debug)
+ fprintf(stdout, "Recv rs data from process %d\n", iproc);
+
+ for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
+ MPI_Status status;
+
+ MPI_Recv(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm, &status);
+ MPI_Recv(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm, &status);
+ MPI_Recv(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);
+ }
+ }
+ }
+
+}
+#endif
+
+
+#ifndef NO_MAIN
+int
+main (const int argc, char *const argv[])
+{
+ return (phm2rs_main(argc, argv));
+}
+#endif
+
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