X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=src%2Fctrec.cpp;h=39688cfb817e74967519ceff0de6100b60c1385f;hp=fed86ee0504ebe45c5fa537ed842488133bbc1db;hb=2d39e823ba389fc68e5317c422b55be006094252;hpb=013445d4e52c07491291289eb32fa325d9f9f8ff diff --git a/src/ctrec.cpp b/src/ctrec.cpp index fed86ee..39688cf 100644 --- a/src/ctrec.cpp +++ b/src/ctrec.cpp @@ -9,7 +9,7 @@ ** This is part of the CTSim program ** Copyright (C) 1983-2000 Kevin Rosenberg ** -** $Id: ctrec.cpp,v 1.4 2000/06/08 16:43:10 kevin Exp $ +** $Id: ctrec.cpp,v 1.13 2000/06/22 10:17:28 kevin Exp $ ** ** 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 @@ -26,6 +26,8 @@ ******************************************************************************/ #include "ct.h" +#include "timer.h" + enum {O_INTERP, O_FILTER, O_FILTER_PARAM, O_BACKPROJ, O_VERBOSE, O_TRACE, O_HELP, O_DEBUG, O_VERSION}; @@ -43,108 +45,89 @@ static struct option my_options[] = {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"); + cout << "usage: " << fileBasename(program) << " raysum-file image-file nx-image ny-image [OPTIONS]" << endl; + cout << "Image reconstruction from raysum projections" << endl; + cout << endl; + cout << " raysum-file Input raysum file" << endl; + cout << " image-file Output image file in SDF2D format" << endl; + cout << " nx-image Number of columns in output image" << endl; + cout << " ny-image Number of rows in output image" << endl; + cout << " --interp Interpolation method during backprojection" << endl; + cout << " nearest Nearest neighbor interpolation" << endl; + cout << " linear Linear interpolation" << endl; #if HAVE_BSPLINE_INTERP - fprintf(stdout," bspline B-spline interpolation\n"); + cout << " bspline B-spline interpolation" << endl; #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"); + cout << " --filter Filter name" << endl; + cout << " abs_bandlimit Abs * Bandlimiting (default)" << endl; + cout << " abs_sinc Abs * Sinc" << endl; + cout << " abs_cos Abs * Cosine" << endl; + cout << " abs_hamming Abs * Hamming" << endl; + cout << " shepp Shepp-Logan" << endl; + cout << " bandlimit Bandlimiting" << endl; + cout << " sinc Sinc" << endl; + cout << " cos Cosine" << endl; + cout << " triangle Triangle" << endl; + cout << " hamming Hamming" << endl; + cout << " --backproj Backprojection Method" << endl; + cout << " trig Trigometric functions at every point" << endl; + cout << " table Trigometric functions with precalculated table" << endl; + cout << " diff Difference method" << endl; + cout << " diff2 Optimized difference method (default)" << endl; + cout << " idiff2 Optimized difference method with integer math" << endl; + cout << " --filter-param Alpha level for Hamming filter" << endl; + cout << " --trace Set tracing to level" << endl; + cout << " none No tracing (default)" << endl; + cout << " text Text level tracing" << endl; + cout << " phm Trace phantom" << endl; + cout << " rays Trace allrays" << endl; + cout << " plot Trace plotting" << endl; + cout << " clipping Trace clipping" << endl; + cout << " --verbose Turn on verbose mode" << endl; + cout << " --debug Turn on debug mode" << endl; + cout << " --version Print version" << endl; + cout << " --help Print this help message" << endl; } #ifdef HAVE_MPI -static void mpi_scatter_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int debug); +static void ScatterProjectionsMPI (MPIWorld& mpiWorld, Projections& projGlobal, Projections& projLocal, const int debug); +static void ReduceImageMPI (MPIWorld& mpiWorld, ImageFile* imLocal, ImageFile* imGlobal); #endif -static void print_raysum_info(const RAYSUM *rs); int -ctrec_main (const int argc, char *const argv[]) +ctrec_main (int argc, char * argv[]) { - ImageFile *im_global = NULL; - RAYSUM *rs_global = NULL; - char *rs_name, *im_filename = NULL; - char remark[MAXREMARK]; - char filt_name[80]; - double time_start = 0, time_end = 0; + ImageFile *imGlobal = NULL; + Projections projGlobal; + char *pj_name, *im_filename = NULL; + string remark; char *endptr; int opt_verbose = 0; int opt_debug = 0; int opt_trace = TRACE_NONE; double opt_filter_param = 1; - FilterType opt_filter = FILTER_ABS_BANDLIMIT; - InterpolationType opt_interp = I_LINEAR; + string optFilterName = "abs_bandlimit"; + string optInterpName = "linear"; + string optBackprojName = "idiff2"; int opt_interp_param = 1; - BackprojType opt_backproj = O_BPROJ_DIFF2; int nx, ny; #ifdef HAVE_MPI - ImageFile *im_local; - RAYSUM *rs_local; - int mpi_argc = argc; - char **mpi_argv = (char **) argv; + ImageFile *imLocal; int mpi_nview, mpi_ndet; double mpi_detinc, mpi_rotinc, mpi_phmlen; - double mpi_t1, mpi_t2, mpi_t, mpi_t_g; - - MPI::Init (mpi_argc, mpi_argv); - mpi_ct.comm = MPI::COMM_WORLD.Dup(); - mpi_ct.nproc = mpi_ct.comm.Get_size(); - mpi_ct.my_rank = mpi_ct.comm.Get_rank(); - - if (mpi_ct.nproc > CT_MPI_MAX_PROCESS) { - sys_error(ERR_FATAL, "Number of mpi processes (%d) exceeds max processes (%d)", - mpi_ct.nproc, CT_MPI_MAX_PROCESS); - exit(1); - } + MPIWorld mpiWorld (argc, argv); #endif -#ifdef HAVE_MPI - time_start = MPI::Wtime(); -#else - time_start = td_current_sec(); -#endif + Timer timerProgram; #ifdef HAVE_MPI - if (mpi_ct.my_rank == 0) { + if (mpiWorld.getRank() == 0) { #endif while (1) { int c = getopt_long(argc, argv, "", my_options, NULL); @@ -156,22 +139,13 @@ ctrec_main (const int argc, char *const argv[]) switch (c) { case O_INTERP: - if ((opt_interp = opt_set_interpolation(optarg)) < 0) { - ctrec_usage(argv[0]); - return (1); - } + optInterpName = optarg; break; case O_FILTER: - if ((opt_filter = opt_set_filter(optarg)) < 0) { - ctrec_usage(argv[0]); - return (1); - } + optFilterName = optarg; break; case O_BACKPROJ: - if ((opt_backproj = opt_set_backproj(optarg)) < 0) { - ctrec_usage(argv[0]); - return (1); - } + optBackprojName = optarg; break; case O_FILTER_PARAM: opt_filter_param = strtod(optarg, &endptr); @@ -193,11 +167,11 @@ ctrec_main (const int argc, char *const argv[]) break; case O_VERSION: #ifdef VERSION - fprintf(stdout, "Version %s\n", VERSION); + cout << "Version " << VERSION << endl; #else - fprintf(stderr, "Unknown version number"); + cout << "Unknown version number" << endl; #endif - exit(0); + return (0); case O_HELP: case '?': ctrec_usage(argv[0]); @@ -213,230 +187,191 @@ ctrec_main (const int argc, char *const argv[]) return (1); } - rs_name = argv[optind]; + pj_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); + ostringstream filterDesc; + if (opt_filter_param >= 0) + filterDesc << optFilterName << ": alpha=" << 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)); + filterDesc << optFilterName; + + ostringstream label; + label << "Reconstruct: " << nx << "x" << ny << ", " << filterDesc.str() << ", " << optInterpName << ", " << optBackprojName; + remark = label.str(); if (opt_verbose) - fprintf (stdout, "%s\n", remark); + cout << "Remark: " << remark << endl; #ifdef HAVE_MPI } #endif #ifdef HAVE_MPI - if (mpi_ct.my_rank == 0) { - rs_global = raysum_open (rs_name); - raysum_read (rs_global); + if (mpiWorld.getRank() == 0) { + projGlobal.read (pj_name); 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; - } + projGlobal.printScanInfo(); - mpi_t1 = MPI::Wtime(); - mpi_ct.comm.Bcast (&opt_verbose, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_debug, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_trace, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_filter, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_interp, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_filter_param, 1, MPI::DOUBLE, 0); - mpi_ct.comm.Bcast (&opt_interp_param, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&opt_backproj, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&mpi_ndet, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&mpi_nview, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&mpi_detinc, 1, MPI::DOUBLE, 0); - mpi_ct.comm.Bcast (&mpi_phmlen, 1, MPI::DOUBLE, 0); - mpi_ct.comm.Bcast (&mpi_rotinc, 1, MPI::DOUBLE, 0); - mpi_ct.comm.Bcast (&nx, 1, MPI::INT, 0); - mpi_ct.comm.Bcast (&ny, 1, MPI::INT, 0); - if (opt_verbose) { - mpi_t2 = MPI::Wtime(); - mpi_t = mpi_t2 - mpi_t1; - mpi_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0); - if (mpi_ct.my_rank == 0) - printf("Time to Bcast vars = %f secs, Max time = %f\n", mpi_t, mpi_t_g); + mpi_ndet = projGlobal.nDet(); + mpi_nview = projGlobal.nView(); + mpi_detinc = projGlobal.detInc(); + mpi_phmlen = projGlobal.phmLen(); + mpi_rotinc = projGlobal.rotInc(); } - mpi_ct_calc_work_units(mpi_nview); + TimerCollectiveMPI timerBcast (mpiWorld.getComm()); + mpiWorld.BcastString (optBackprojName); + mpiWorld.BcastString (optFilterName); + mpiWorld.BcastString (optInterpName); + mpiWorld.getComm().Bcast (&opt_verbose, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&opt_debug, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&opt_trace, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&opt_filter_param, 1, MPI::DOUBLE, 0); + mpiWorld.getComm().Bcast (&opt_interp_param, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&mpi_ndet, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&mpi_nview, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&mpi_detinc, 1, MPI::DOUBLE, 0); + mpiWorld.getComm().Bcast (&mpi_phmlen, 1, MPI::DOUBLE, 0); + mpiWorld.getComm().Bcast (&mpi_rotinc, 1, MPI::DOUBLE, 0); + mpiWorld.getComm().Bcast (&nx, 1, MPI::INT, 0); + mpiWorld.getComm().Bcast (&ny, 1, MPI::INT, 0); + if (opt_verbose) + timerBcast.timerEndAndReport ("Time to broadcast variables"); - rs_local = raysum_create (NULL, mpi_ct.local_work_units[mpi_ct.my_rank], mpi_ndet); + mpiWorld.setTotalWorkUnits (mpi_nview); - 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; + Projections projLocal (mpiWorld.getMyLocalWorkUnits(), mpi_ndet); + projLocal.setDetInc (mpi_detinc); + projLocal.setPhmLen (mpi_phmlen); + projLocal.setRotInc (mpi_rotinc); + TimerCollectiveMPI timerScatter (mpiWorld.getComm()); + ScatterProjectionsMPI (mpiWorld, projGlobal, projLocal, opt_debug); 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_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0); - if (mpi_ct.my_rank == 0) - printf("Time to scatter rs = %f secs, Max time = %f sec\n", mpi_t, mpi_t_g); - } + timerScatter.timerEndAndReport ("Time to scatter projections"); - if (mpi_ct.my_rank == 0) { - im_global = new ImageFile (im_filename, nx, ny); - im_global->adf.fileCreate(); + if (mpiWorld.getRank() == 0) { + imGlobal = new ImageFile (im_filename, nx, ny); + imGlobal->fileCreate(); } - im_local = new ImageFile (nx, ny); + imLocal = new ImageFile (nx, ny); #else - rs_global = raysum_open (rs_name); - raysum_read (rs_global); + projGlobal.read (pj_name); if (opt_verbose) - print_raysum_info(rs_global); - - im_global = new ImageFile (im_filename, nx, ny); - im_global->adf.fileCreate(); -#endif + projGlobal.printScanInfo(); -#ifdef HAVE_MPI - mpi_t1 = MPI::Wtime(); - proj_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_ct.comm.Reduce(&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0); - if (mpi_ct.my_rank == 0 && opt_verbose) - printf("Time to reconstruct = %f, Max time = %f\n", mpi_t, mpi_t_g); -#else - proj_reconst (*im_global, rs_global, opt_filter, opt_filter_param, - opt_interp, opt_interp_param, opt_backproj, opt_trace); + imGlobal = new ImageFile (im_filename, nx, ny); + imGlobal->fileCreate(); #endif #ifdef HAVE_MPI + TimerCollectiveMPI timerReconstruct (mpiWorld.getComm()); + projLocal.reconstruct (*imLocal, optFilterName.c_str(), opt_filter_param, optInterpName.c_str(), opt_interp_param, optBackprojName.c_str(), opt_trace); if (opt_verbose) - mpi_t1 = MPI::Wtime(); + timerReconstruct.timerEndAndReport ("Time to reconstruct"); - int nxLocal = im_local->adf.nx(); - int nyLocal = im_local->adf.ny(); - ImageFileArray vLocal = im_local->getArray(); - ImageFileArray vGlobal = NULL; - if (mpi_ct.my_rank == 0) - vGlobal = im_global->getArray(); - - for (int ix = 0; ix < nxLocal; ix++) { - void *recvbuf = NULL; - if (mpi_ct.my_rank == 0) - recvbuf = vGlobal[ix]; - - mpi_ct.comm.Reduce(vLocal[ix], recvbuf, nyLocal, im_local->getMPIDataType(), MPI::SUM, 0); - } - - if (opt_verbose) { - mpi_t2 = MPI::Wtime(); - mpi_t = mpi_t2 - mpi_t1; - mpi_ct.comm.Reduce (&mpi_t, &mpi_t_g, 1, MPI::DOUBLE, MPI::MAX, 0); - 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(); + TimerCollectiveMPI timerReduce (mpiWorld.getComm()); + ReduceImageMPI (mpiWorld, imLocal, imGlobal); + if (opt_verbose) + timerReduce.timerEndAndReport ("Time to reduce image"); #else - time_end = td_current_sec(); + projGlobal.reconstruct (*imGlobal, optFilterName.c_str(), opt_filter_param, optInterpName.c_str(), opt_interp_param, optBackprojName.c_str(), opt_trace); #endif - #ifdef HAVE_MPI - if (mpi_ct.my_rank == 0) + if (mpiWorld.getRank() == 0) #endif { - raysum_close (rs_global); - double calctime = time_end - time_start; - im_global->adf.arrayDataWrite (); - im_global->adf.labelAdd (Array2dFileLabel::L_HISTORY, rs_global->remark, rs_global->calctime); - im_global->adf.labelAdd (Array2dFileLabel::L_HISTORY, remark, calctime); - im_global->adf.fileClose (); + double calcTime = timerProgram.timerEnd(); + imGlobal->arrayDataWrite (); + imGlobal->labelAdd (Array2dFileLabel::L_HISTORY, projGlobal.remark(), projGlobal.calcTime()); + imGlobal->labelAdd (Array2dFileLabel::L_HISTORY, remark.c_str(), calcTime); + imGlobal->fileClose (); if (opt_verbose) - cout << "Time active = " << calctime << " sec" << endl; + cout << "Run time: " << calcTime << " seconds" << endl; } - #ifdef HAVE_MPI - MPI::Finalize(); + MPI::Finalize(); #endif - return (0); + return (0); } +////////////////////////////////////////////////////////////////////////////////////// +// MPI Support Routines +// +////////////////////////////////////////////////////////////////////////////////////// + #ifdef HAVE_MPI -static void mpi_scatter_rs (RAYSUM *rs_global, RAYSUM *rs_local, const int opt_debug) +static void ScatterProjectionsMPI (MPIWorld& mpiWorld, Projections& projGlobal, Projections& projLocal, 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_ct.comm.Send(&rs_global->view[iw]->ndet, 1, MPI::INT, iproc, 0); - mpi_ct.comm.Send(&rs_global->view[iw]->view_angle, 1, MPI::DOUBLE, iproc, 0); - mpi_ct.comm.Send(rs_global->view[iw]->detval, rs_global->ndet, MPI::FLOAT, iproc, 0); + if (mpiWorld.getRank() == 0) { + for (int iProc = 0; iProc < mpiWorld.getNumProcessors(); iProc++) { + for (int iw = mpiWorld.getStartWorkUnit(iProc); iw <= mpiWorld.getEndWorkUnit(iProc); iw++) { + DetectorArray& detarray = projGlobal.getDetectorArray( iw ); + int nDet = detarray.nDet(); + DetectorValue* detval = detarray.detValues(); + + double viewAngle = detarray.viewAngle(); + mpiWorld.getComm().Send(&nDet, 1, MPI::INT, iProc, 0); + mpiWorld.getComm().Send(&viewAngle, 1, MPI::DOUBLE, iProc, 0); + mpiWorld.getComm().Send(detval, nDet, MPI::FLOAT, iProc, 0); } } } - 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++) { + for (int iw = 0; iw < mpiWorld.getMyLocalWorkUnits(); iw++) { MPI::Status status; - - mpi_ct.comm.Recv(&rs_local->view[iw]->ndet, 1, MPI::INT, 0, 0, status); - mpi_ct.comm.Recv(&rs_local->view[iw]->view_angle, 1, MPI::DOUBLE, 0, 0, status); - mpi_ct.comm.Recv(rs_local->view[iw]->detval, rs_local->ndet, MPI::FLOAT, 0, 0, status); + int nDet; + double viewAngle; + DetectorValue* detval = projLocal.getDetectorArray(iw).detValues(); + + mpiWorld.getComm().Recv(&nDet, 1, MPI::INT, 0, 0, status); + mpiWorld.getComm().Recv(&viewAngle, 1, MPI::DOUBLE, 0, 0, status); + mpiWorld.getComm().Recv(detval, nDet, MPI::FLOAT, 0, 0, status); + projLocal.getDetectorArray(iw).setViewAngle( viewAngle ); } - rs_local->nview = mpi_ct.local_work_units[mpi_ct.my_rank]; - if (opt_debug) { - mpi_ct.comm.Barrier(); - fprintf(stdout, "Done with mpi_scatter_rs in process %2d\n", mpi_ct.my_rank); +} + +static void +ReduceImageMPI (MPIWorld& mpiWorld, ImageFile* imLocal, ImageFile* imGlobal) +{ + ImageFileArray vLocal = imLocal->getArray(); + + for (int ix = 0; ix < imLocal->nx(); ix++) { + void *recvbuf = NULL; + if (mpiWorld.getRank() == 0) { + ImageFileArray vGlobal = imGlobal->getArray(); + recvbuf = vGlobal[ix]; + } + mpiWorld.getComm().Reduce (vLocal[ix], recvbuf, imLocal->ny(), imLocal->getMPIDataType(), MPI::SUM, 0); } } #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[]) +main (int argc, char* argv[]) { - return (ctrec_main(argc, argv)); + int retval = 1; + + try { + retval = ctrec_main(argc, argv); + } catch (exception e) { + cerr << "Exception: " << e.what() << endl; + } catch (...) { + cerr << "Unknown exception" << endl; + } + + return (retval); } #endif