+/*****************************************************************************
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: phm2if.cpp,v 1.1 2000/06/07 02:29:05 kevin Exp $
+** $Log: phm2if.cpp,v $
+** Revision 1.1 2000/06/07 02:29:05 kevin
+** Initial C++ versions
+**
+** Revision 1.10 2000/05/24 22:50:04 kevin
+** Added support for new SGP library
+**
+** Revision 1.9 2000/05/16 04:33:59 kevin
+** Improved option processing
+**
+** Revision 1.8 2000/05/11 01:06:30 kevin
+** Changed sprintf to snprintf
+**
+** Revision 1.7 2000/05/08 20:02:32 kevin
+** ANSI C changes
+**
+** Revision 1.6 2000/05/03 08:49:50 kevin
+** Code cleanup
+**
+** Revision 1.5 2000/04/30 19:17:54 kevin
+** *** empty log message ***
+**
+** 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 2000/04/28 18:19:01 kevin
+** removed unused files
+**
+** 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
+******************************************************************************/
+
+/* FILE
+ * phm2sdf.c Generate a SDF image from a phantom
+ *
+ * HISTORY
+ * 1984 - Final DOS verion
+ * 1999 - First UNIX version
+ */
+
+#include "ct.h"
+
+enum { O_PHANTOM, O_DESC, O_NSAMPLE, O_FILTER, O_TRACE, O_VERBOSE, O_HELP,
+ O_PHMFILE, O_FILTER_DOMAIN, O_FILTER_BW, O_FILTER_PARAM, O_DEBUG, O_VERSION };
+
+static struct option my_options[] =
+{
+ {"phantom", 1, 0, O_PHANTOM},
+ {"phmfile", 1, 0, O_PHMFILE},
+ {"desc", 1, 0, O_DESC},
+ {"nsample", 1, 0, O_NSAMPLE},
+ {"filter", 1, 0, O_FILTER},
+ {"filter-domain", 1, 0, O_FILTER_DOMAIN},
+ {"filter-bw", 1, 0, O_FILTER_BW},
+ {"filter-param", 1, 0, O_FILTER_PARAM},
+ {"trace", 1, 0, O_TRACE},
+ {"verbose", 0, 0, O_VERBOSE},
+ {"debug", 0, 0, O_DEBUG},
+ {"help", 0, 0, O_HELP},
+ {"version", 0, 0, O_VERSION},
+ {0, 0, 0, 0}
+};
+
+void
+phm2sdf_usage (const char *program)
+{
+ fprintf(stdout,"phm2sdf_usage: %s outfile nx ny [--phantom phantom-name] [--phmfile filename] [--filter filter-name] [OPTIONS]\n",kbasename(program));
+ fprintf(stdout,"Generate phantom image from a predefined --phantom or a --phmfile\n");
+ fprintf(stdout,"\n");
+ fprintf(stdout," outfile Name of output file for image\n");
+ fprintf(stdout," nx Number of pixels X-axis\n");
+ fprintf(stdout," ny Number of pixels Y-axis\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 Generate Phantom from phantom file\n");
+ fprintf(stdout," --filter Generate Phantom from a filter function\n");
+ fprintf(stdout," abs_bandlimit Abs * Bandlimiting\n");
+ fprintf(stdout," abs_sinc Abs * Sinc\n");
+ fprintf(stdout," abs_cos Abs * Cosine\n");
+ fprintf(stdout," abs_hamming Abs * Hamming\n");
+ fprintf(stdout," shepp Shepp-Logan\n");
+ fprintf(stdout," bandlimit Bandlimiting\n");
+ fprintf(stdout," sinc Sinc\n");
+ fprintf(stdout," cos Cosine\n");
+ fprintf(stdout," triangle Triangle\n");
+ fprintf(stdout," hamming Hamming\n");
+ fprintf(stdout," --filter-param Alpha level for Hamming filter\n");
+ fprintf(stdout," --filter-domain Set domain of filter\n");
+ fprintf(stdout," spatial Spatial domain (default)\n");
+ fprintf(stdout," freq Frequency domain\n");
+ fprintf(stdout," --filter-bw Filter bandwidth (default = 1)\n");
+ fprintf(stdout," --desc Description of raysum\n");
+ fprintf(stdout," --nsample Number of samples per axis per pixel (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\n");
+ fprintf(stdout," rays Trace rays\n");
+ fprintf(stdout," plot Trace plot\n");
+ fprintf(stdout," clipping Trace clipping\n");
+ fprintf(stdout," --debug Debug mode\n");
+ fprintf(stdout," --verbose Verbose mode\n");
+ fprintf(stdout," --version Print version\n");
+ fprintf(stdout," --help Print this help message\n");
+}
+
+#ifdef MPI_CT
+void mpi_gather_image (ImageFile *im_global, ImageFile *im_local, const int opt_debug);
+#endif
+
+int
+phm2sdf_main (const int argc, char *const argv[])
+{
+ ImageFile *im_global = NULL;
+ PHANTOM *phm = NULL;
+ int opt_nx = 0, opt_ny = 0;
+ int opt_nsample = 1;
+ int opt_phmnum = -1;
+ FilterType opt_filter = static_cast<FilterType>(-1);
+ DomainType opt_filter_domain = D_SPATIAL;
+ char *opt_outfile = NULL;
+ int opt_debug = 0;
+ char str[256];
+ char opt_desc[256], opt_phmfilename[256];
+ char *endstr, *endptr;
+ double opt_filter_param = 1;
+ double opt_filter_bw = 1.;
+ int opt_trace = TRACE_NONE;
+ int opt_verbose = 0;
+ double time_start=0, time_end=0;
+#ifdef MPI_CT
+ ImageFile *im_local = NULL;
+ int mpi_argc = argc;
+ char **mpi_argv = (char **) argv;
+ double mpi_t1, mpi_t2, 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);
+ }
+#endif
+
+#ifdef MPI_CT
+ time_start = MPI_Wtime();
+#else
+ time_start = td_current_sec();
+#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, "", my_options, NULL);
+ char *endptr = NULL;
+ char *endstr;
+
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case O_PHANTOM:
+ if ((opt_phmnum = opt_set_phantom(optarg)) < 0) {
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_PHMFILE:
+ strncpy(opt_phmfilename, optarg, sizeof(opt_phmfilename));
+ phm = phm_create_from_file(opt_phmfilename);
+#ifdef MPI_CT
+ if (mpi_ct.my_rank == 0)
+ fprintf(stderr, "Can't use phantom from file in MPI mode\n");
+ return (1);
+#endif
+ break;
+ case O_VERBOSE:
+ opt_verbose = 1;
+ break;
+ case O_DEBUG:
+ opt_debug = 1;
+ break;
+ case O_TRACE:
+ if ((opt_trace = opt_set_trace(optarg)) < 0) {
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_FILTER:
+ if ((opt_filter = opt_set_filter(optarg)) < 0) {
+ phm2sdf_usage (argv[0]);
+ return (1);
+ }
+ break;
+ case O_FILTER_DOMAIN:
+ if ((opt_filter_domain = opt_set_filter_domain(optarg)) < 0) {
+ phm2sdf_usage (argv[0]);
+ return (1);
+ }
+ break;
+ case O_DESC:
+ strncpy(opt_desc, optarg, sizeof(opt_desc));
+ break;
+ case O_FILTER_BW:
+ opt_filter_bw = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --filter-bw to %s\n", optarg);
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_FILTER_PARAM:
+ opt_filter_param = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --filter-param to %s\n", optarg);
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_NSAMPLE:
+ opt_nsample = strtol(optarg, &endptr, 10);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting --nsample to %s\n", optarg);
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_VERSION:
+#ifdef VERSION
+ fprintf(stdout, "Version %s\n", VERSION);
+#else
+ fprintf(stderr, "Unknown version number");
+#endif
+ case O_HELP:
+ case '?':
+ phm2sdf_usage(argv[0]);
+ return (0);
+ default:
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ }
+
+ if (phm == NULL && opt_phmnum == -1 && opt_filter == -1) {
+ fprintf(stderr, "No phantom defined\n");
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+
+ if (optind + 3 != argc) {
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ opt_outfile = argv[optind];
+ opt_nx = strtol(argv[optind+1], &endptr, 10);
+ endstr = argv[optind+1] + strlen(argv[optind+1]);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting nx to %s\n", argv[optind+1]);
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+ opt_ny = strtol(argv[optind+2], &endptr, 10);
+ endstr = argv[optind+2] + strlen(argv[optind+2]);
+ if (endptr != endstr) {
+ fprintf(stderr,"Error setting ny to %s\n", argv[optind+2]);
+ phm2sdf_usage(argv[0]);
+ return (1);
+ }
+
+ snprintf(str, sizeof(str), "nx=%d, ny=%d, nsample=%d, ", opt_nx, opt_ny, opt_nsample);
+ 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));
+ }
+ else if (opt_filter != -1) {
+ strncat(str, "filter=", sizeof(str));
+ strncat(str, name_of_filter(opt_filter), sizeof(str));
+ strncat(str, " - ", sizeof(str));
+ strncat(str, name_of_filter_domain(opt_filter_domain), sizeof(str));
+ }
+ if (opt_desc[0]) {
+ strncat(str, ": ", sizeof(str));
+ strncat(str, opt_desc, sizeof(str));
+ }
+ strncpy(opt_desc, str, sizeof(opt_desc));
+
+ if (opt_verbose)
+ printf("Rasterize Phantom to Image\n\n");
+#ifdef MPI_CT
+ }
+#endif
+
+#ifdef MPI_CT
+ mpi_t1 = MPI_Wtime();
+ 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);
+ MPI_Bcast(&opt_nx, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_ny, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_nsample, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_phmnum, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_filter, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_filter_domain, 1, MPI_INT, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_filter_param, 1, MPI_DOUBLE, 0, mpi_ct.comm);
+ MPI_Bcast(&opt_filter_bw, 1, MPI_DOUBLE, 0, mpi_ct.comm);
+
+ 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 Bcast vars = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
+ }
+
+ mpi_ct_calc_work_units(opt_nx);
+
+ if (mpi_ct.my_rank == 0) {
+ im_global = new ImageFile (opt_outfile, opt_nx, opt_ny);
+ im_global->adf.fileCreate();
+ }
+
+ im_local = new ImageFile (opt_nx, opt_ny);
+#else
+ im_global = new ImageFile (opt_outfile, opt_nx, opt_ny);
+ im_global->adf.fileCreate ();
+#endif
+
+ if (opt_phmnum >= 0)
+ phm = phm_create (opt_phmnum);
+
+#ifdef MPI_CT
+ else {
+ if (mpi_ct.my_rank == 0)
+ fprintf(stderr, "phmnum < 0\n");
+ exit(1);
+ }
+#endif
+
+ ImageFileArray v = im_global->adf.getArray ();
+ double calctime = 0;
+
+#ifdef MPI_CT
+ if (phm->type == P_UNIT_PULSE) {
+ if (mpi_ct.my_rank == 0) {
+ v[opt_nx/2][opt_ny/2] = 1.;
+ calctime = 0;
+ }
+ } else if (opt_filter != -1) {
+ if (mpi_ct.my_rank == 0) {
+ image_filter_response (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
+ calctime = 0;
+ }
+ } else {
+ if (opt_verbose)
+ mpi_t1 = MPI_Wtime();
+ phm_to_image (phm, im_local, mpi_ct.start_work_unit[mpi_ct.my_rank],
+ mpi_ct.local_work_units[mpi_ct.my_rank], opt_nsample, opt_trace);
+ 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 compile phm = %f secs, Max time = %f\n", mpi_t, mpi_t_g);
+ }
+ mpi_gather_image(im_global, im_local, opt_debug);
+ }
+#else
+ if (phm->type == P_UNIT_PULSE) {
+ v[opt_nx/2][opt_ny/2] = 1.;
+ calctime = 0;
+ } else if (opt_filter != -1) {
+ // image_filter_response (im_global, opt_filter_domain, opt_filter_bw, opt_filter, opt_filter_param, opt_trace);
+ calctime = 0;
+ } else {
+#if HAVE_SGP
+ if (opt_trace >= TRACE_PHM)
+ phm_show(phm);
+#endif
+ // phm_to_image (phm, im_global, 0, opt_nx, opt_nsample, opt_trace);
+ }
+#endif
+
+#ifdef MPI_CT
+ time_end = MPI_Wtime();
+#else
+ time_end = td_current_sec();
+#endif
+
+#ifdef MPI_CT
+ if (mpi_ct.my_rank == 0)
+#endif
+ {
+ im_global->adf.arrayDataWrite ();
+ calctime = time_end - time_start;
+ im_global->adf.labelAdd (Array2dFileLabel::L_HISTORY, opt_desc, calctime);
+ im_global->adf.fileClose ();
+ if (opt_verbose)
+ fprintf (stdout, "Time to compile image = %.2f sec\n\n", calctime);
+ }
+
+ if (opt_trace >= TRACE_PHM)
+ {
+ double dmin, dmax;
+ int nscale;
+
+ printf ("Enter display size scale (nominal = 1): ");
+ scanf ("%d", &nscale);
+ printf ("Enter minimum and maximum densities (min, max): ");
+ scanf ("%lf %lf", &dmin, &dmax);
+ // image_display_scale (im_global, nscale, dmin, dmax);
+ }
+
+ phm_free (phm);
+
+ return (0);
+}
+
+
+
+#ifdef MPI_CT
+void mpi_gather_image (ImageFile *im_global, ImageFile *im_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(im_local->v[iw], im_local->ny, im_local->getMPIDataType(), 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 (%d-%d)\n", iproc,
+ mpi_ct.start_work_unit[iproc], end_work_unit);
+ fflush(stdout);
+ }
+
+
+ for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
+ MPI_Status status;
+
+ MPI_Recv(im_global->v[iw], im_global->ny, MPI_FLOAT, iproc, 0, mpi_ct.comm, &status);
+ }
+ }
+ }
+
+}
+#endif
+
+#ifndef NO_MAIN
+int
+main (const int argc, char *const argv[])
+{
+ return (phm2sdf_main(argc, argv));
+}
+#endif