+++ /dev/null
-/*****************************************************************************
-** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: ctrec.c,v 1.13 2000/06/05 01:33:25 kevin Exp $
-** $Log: ctrec.c,v $
-** Revision 1.13 2000/06/05 01:33:25 kevin
-** BSpline changes
-**
-** 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 1.10 2000/05/11 01:06:30 kevin
-** Changed sprintf to snprintf
-**
-** 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 2000/05/02 15:31:47 kevin
-** code cleaning
-**
-** Revision 1.5 2000/04/30 11:41:06 kevin
-** Cleaned up debugging code
-**
-** Revision 1.4 2000/04/30 10:13:27 kevin
-** Fixed MPI bugs
-**
-** Revision 1.3 2000/04/30 04:06:13 kevin
-** Update Raysum i/o routines
-** Fix MPI bug in ctrec (scatter_raysum) that referenced rs_global
-**
-** Revision 1.2 2000/04/29 23:24:56 kevin
-** *** empty log message ***
-**
-** 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
- * ctrec.c Reconstruct an image from raysums
- *
- * DATE
- * Aug 84
- * Jul 99 -- Converted to ANSI C
- * Added MPI parallel processing
- */
-
-#include "ct.h"
-
-enum {O_INTERP, O_FILTER, O_FILTER_PARAM, O_BACKPROJ, O_VERBOSE, O_TRACE, O_HELP, O_DEBUG, O_VERSION};
-
-static struct option my_options[] =
-{
- {"interp", 1, 0, O_INTERP},
- {"filter", 1, 0, O_FILTER},
- {"filter-param", 1, 0, O_FILTER_PARAM},
- {"backproj", 1, 0, O_BACKPROJ},
- {"trace", 1, 0, O_TRACE},
- {"debug", 0, 0, O_DEBUG},
- {"verbose", 0, 0, O_VERBOSE},
- {"help", 0, 0, O_HELP},
- {"version", 0, 0, O_VERSION},
- {0, 0, 0, 0}
-};
-
-void
-ctrec_usage (const char *program)
-{
- fprintf(stdout,"usage: %s raysum-file image-file nx-image ny-image [OPTIONS]\n", kbasename(program));
- fprintf(stdout,"Image reconstruction from raysum projections\n");
- fprintf(stdout,"\n");
- fprintf(stdout," raysum-file Input raysum file\n");
- fprintf(stdout," image-file Output image file in SDF2D format\n");
- fprintf(stdout," nx-image Number of columns in output image\n");
- fprintf(stdout," ny-image Number of rows in output image\n");
- fprintf(stdout," --interp Interpolation method during backprojection\n");
- fprintf(stdout," nearest Nearest neighbor interpolation\n");
- fprintf(stdout," linear Linear interpolation\n");
-#if HAVE_BSPLINE_INTERP
- fprintf(stdout," bspline B-spline interpolation\n");
-#endif
- fprintf(stdout," --filter Filter name\n");
- fprintf(stdout," abs_bandlimit Abs * Bandlimiting (default)\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," --backproj Backprojection Method\n");
- fprintf(stdout," trig Trigometric functions at every point\n");
- fprintf(stdout," table Trigometric functions with precalculated table\n");
- fprintf(stdout," diff Difference method\n");
- fprintf(stdout," diff2 Optimized difference method (default)\n");
- fprintf(stdout," idiff2 Optimized difference method with integer math\n");
- fprintf(stdout," --filter-param Alpha level for Hamming filter\n");
- fprintf(stdout," --trace Set tracing to level\n");
- fprintf(stdout," none No tracing (default)\n");
- fprintf(stdout," text Text level tracing\n");
- fprintf(stdout," phm Trace phantom\n");
- fprintf(stdout," rays Trace allrays\n");
- fprintf(stdout," plot Trace plotting\n");
- fprintf(stdout," clipping Trace clipping\n");
- fprintf(stdout," --verbose Turn on verbose mode\n");
- fprintf(stdout," --debug Turn on debug mode\n");
- fprintf(stdout," --version Print version\n");
- fprintf(stdout," --help Print this help message\n");
-}
-
-
-#ifdef MPI_CT
-static void mpi_scatter_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int debug);
-#endif
-
-static void print_raysum_info(const RAYSUM *rs);
-
-int
-ctrec_main (const int argc, char *const argv[])
-{
- IMAGE *im_global = NULL;
- RAYSUM *rs_global = NULL;
- char *rs_name, *im_filename = NULL;
- char remark[MAXREMARK];
- char filt_name[80];
- int nx, ny;
- double time_start = 0, time_end = 0;
- char *endptr;
- int opt_verbose = 0;
- int opt_debug = 0;
- int opt_trace = TRACE_NONE;
- double opt_filter_param = 1;
- int opt_filter = FILTER_ABS_BANDLIMIT;
- int opt_interp = I_LINEAR;
- int opt_interp_param = 1;
- BackprojType opt_backproj = O_BPROJ_DIFF2;
-#ifdef MPI_CT
- IMAGE *im_local;
- RAYSUM *rs_local;
- int mpi_argc = argc;
- char **mpi_argv = (char **) argv;
- int mpi_nview, mpi_ndet;
- double mpi_detinc, mpi_rotinc, mpi_phmlen;
- double mpi_t1, mpi_t2, mpi_t, mpi_t_g;
- int ix;
-
- 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);
- }
-#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
- while (1) {
- int c = getopt_long(argc, argv, "", my_options, NULL);
- char *endptr = NULL;
-
- if (c == -1)
- break;
-
- switch (c)
- {
- case O_INTERP:
- if ((opt_interp = opt_set_interpolation(optarg)) < 0) {
- ctrec_usage(argv[0]);
- return (1);
- }
- break;
- case O_FILTER:
- if ((opt_filter = opt_set_filter(optarg)) < 0) {
- ctrec_usage(argv[0]);
- return (1);
- }
- break;
- case O_BACKPROJ:
- if ((opt_backproj = opt_set_backproj(optarg)) < 0) {
- ctrec_usage(argv[0]);
- return (1);
- }
- break;
- case O_FILTER_PARAM:
- opt_filter_param = strtod(optarg, &endptr);
- if (endptr != optarg + strlen(optarg)) {
- ctrec_usage(argv[0]);
- }
- 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) {
- ctrec_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 '?':
- ctrec_usage(argv[0]);
- return (0);
- default:
- ctrec_usage(argv[0]);
- return (1);
- }
- }
-
- if (optind + 4 != argc) {
- ctrec_usage(argv[0]);
- return (1);
- }
-
- rs_name = argv[optind];
-
- im_filename = argv[optind + 1];
-
- nx = strtol(argv[optind + 2], &endptr, 10);
- ny = strtol(argv[optind + 3], &endptr, 10);
-
- if (opt_filter == FILTER_G_HAMMING || opt_filter == FILTER_ABS_G_HAMMING)
- snprintf (filt_name, sizeof(filt_name), "%s: alpha = %.2f",
- name_of_filter (opt_filter), opt_filter_param);
- else
- snprintf (filt_name, sizeof(filt_name), "%s", name_of_filter (opt_filter));
-
- snprintf (remark, sizeof(remark), "Reconstruct: %dx%d, %s, %s, %s",
- nx, ny, filt_name, name_of_interpolation (opt_interp), name_of_backproj(opt_backproj));
-
- if (opt_verbose)
- fprintf (stdout, "%s\n", remark);
-#ifdef MPI_CT
- }
-#endif
-
-#ifdef MPI_CT
- if (mpi_ct.my_rank == 0) {
- rs_global = raysum_open (rs_name);
- raysum_read (rs_global);
- if (opt_verbose)
- print_raysum_info(rs_global);
-
- mpi_ndet = rs_global->ndet;
- mpi_nview = rs_global->nview;
- mpi_detinc = rs_global->det_inc;
- mpi_phmlen = rs_global->phmlen;
- mpi_rotinc = rs_global->rot_inc;
- }
-
- 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_filter, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&opt_interp, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&opt_filter_param, 1, MPI_DOUBLE, 0, mpi_ct.comm);
- MPI_Bcast(&opt_interp_param, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&opt_backproj, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&mpi_ndet, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&mpi_nview, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&mpi_detinc, 1, MPI_DOUBLE, 0, mpi_ct.comm);
- MPI_Bcast(&mpi_phmlen, 1, MPI_DOUBLE, 0, mpi_ct.comm);
- MPI_Bcast(&mpi_rotinc, 1, MPI_DOUBLE, 0, mpi_ct.comm);
- MPI_Bcast(&nx, 1, MPI_INT, 0, mpi_ct.comm);
- MPI_Bcast(&ny, 1, MPI_INT, 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(mpi_nview);
-
- rs_local = raysum_create (NULL, mpi_ct.local_work_units[mpi_ct.my_rank], mpi_ndet);
-
- rs_local->ndet = mpi_ndet;
- rs_local->nview = mpi_nview;
- rs_local->det_inc = mpi_detinc;
- rs_local->phmlen = mpi_phmlen;
- rs_local->rot_inc = mpi_rotinc;
-
- if (opt_verbose)
- mpi_t1 = MPI_Wtime();
- mpi_scatter_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 scatter rs = %f secs, Max time = %f sec\n", mpi_t, mpi_t_g);
- }
-
- if (mpi_ct.my_rank == 0) {
- im_global = image_create (im_filename, nx, ny);
- sdf_add_label (LT_HISTORY, rs_global->remark, rs_global->calctime, im_global->dfp_2d->dfp);
- sdf_add_empty_label (im_global->dfp_2d->dfp);
- }
- im_local = image_create (NULL, nx, ny);
-
-#else
- rs_global = raysum_open (rs_name);
- raysum_read (rs_global);
- if (opt_verbose)
- print_raysum_info(rs_global);
-
- im_global = image_create (im_filename, nx, ny);
- sdf_add_label (LT_HISTORY, rs_global->remark, rs_global->calctime, im_global->dfp_2d->dfp);
- sdf_add_empty_label (im_global->dfp_2d->dfp);
-#endif
-
-#ifdef MPI_CT
- mpi_t1 = MPI_Wtime();
- image_reconst (im_local, rs_local, opt_filter, opt_filter_param,
- opt_interp, opt_interp_param, opt_backproj, opt_trace);
- 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 && opt_verbose)
- printf("Time to reconstruct = %f, Max time = %f\n", mpi_t, mpi_t_g);
-#else
- image_reconst (im_global, rs_global, opt_filter, opt_filter_param,
- opt_interp, opt_interp_param, opt_backproj, opt_trace);
-#endif
-
-#ifdef MPI_CT
- if (opt_verbose)
- mpi_t1 = MPI_Wtime();
-
- for (ix = 0; ix < im_local->nx; ix++) {
- void *recvbuf = NULL;
- if (mpi_ct.my_rank == 0)
- recvbuf = im_global->v[ix];
-
- MPI_Reduce(im_local->v[ix], recvbuf, im_local->ny, MPI_FLOAT, MPI_SUM, 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 reduce image = %f secs, max time = %f\n", mpi_t, mpi_t_g);
- }
-
- if (mpi_ct.my_rank == 0)
- time_end = MPI_Wtime();
-#else
- time_end = td_current_sec();
-#endif
-
-
-#ifdef MPI_CT
- if (mpi_ct.my_rank == 0)
-#endif
- {
- raysum_close (rs_global);
- strncpy (im_global->remark, remark, sizeof(im_global->remark));
- im_global->calctime = time_end - time_start;
- image_save (im_global);
- if (opt_verbose)
- fprintf (stdout, "Time active = %.2f\n", im_global->calctime);
- }
-
-#ifdef MPI_CT
- MPI_Finalize();
-#endif
-
- return (0);
-}
-
-
-#ifdef MPI_CT
-static void mpi_scatter_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug)
-{
- int iproc;
- int end_work_unit;
- int iw = 0;
-
- 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;
-
- for (iw = mpi_ct.start_work_unit[iproc]; iw <= end_work_unit; iw++) {
- MPI_Send(&rs_global->view[iw]->ndet, 1, MPI_INT, iproc, 0, mpi_ct.comm);
- MPI_Send(&rs_global->view[iw]->view_angle, 1, MPI_DOUBLE, iproc, 0, mpi_ct.comm);
- MPI_Send(rs_global->view[iw]->detval, rs_global->ndet, MPI_FLOAT, iproc, 0, mpi_ct.comm);
- }
- }
- }
-
- if (opt_debug)
- fprintf(stdout, "Receiving rs data in process %d\n", mpi_ct.my_rank);
-
- end_work_unit = mpi_ct.local_work_units[mpi_ct.my_rank] - 1;
- for (iw = 0; iw <= end_work_unit; iw++) {
- MPI_Status status;
-
- MPI_Recv(&rs_local->view[iw]->ndet, 1, MPI_INT, 0, 0, mpi_ct.comm, &status);
- MPI_Recv(&rs_local->view[iw]->view_angle, 1, MPI_DOUBLE, 0, 0, mpi_ct.comm, &status);
- MPI_Recv(rs_local->view[iw]->detval, rs_local->ndet, MPI_FLOAT, 0, 0, mpi_ct.comm, &status);
- }
- rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank];
- if (opt_debug) {
- MPI_Barrier(MPI_COMM_WORLD);
- fprintf(stdout, "Done with mpi_scatter_rs in process %2d\n", mpi_ct.my_rank);
- }
-}
-
-#endif
-
-static void print_raysum_info(const RAYSUM *rs)
-{
- printf ("Number of detectors: %d\n", rs->ndet);
- printf (" Number of views: %d\n", rs->nview);
- printf (" Remark: %s\n", rs->remark);
- printf (" phmlen: %f\n", rs->phmlen);
- printf (" det_start: %f\n", rs->det_start);
- printf (" det_inc: %f\n", rs->det_inc);
- printf (" rot_start: %f\n", rs->rot_start);
- printf (" rot_inc: %f\n", rs->rot_inc);
-}
-
-#ifndef NO_MAIN
-int
-main (const int argc, char *const argv[])
-{
- return (ctrec_main(argc, argv));
-}
-#endif
-
projects / ctsim.git / blobdiff