X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=src%2Fctrec.cpp;fp=src%2Fctrec.cpp;h=0000000000000000000000000000000000000000;hp=dc945e35bb9c1524003437177190a7b8f754ed8d;hb=2f3d6e2580db607105bb072b13e4aff453ae4495;hpb=08f34bf3ba14d4f436f4d2ef0ee5af1d6eb266ac diff --git a/src/ctrec.cpp b/src/ctrec.cpp deleted file mode 100644 index dc945e3..0000000 --- a/src/ctrec.cpp +++ /dev/null @@ -1,379 +0,0 @@ -/***************************************************************************** -** FILE IDENTIFICATION -** -** Name: ctrec.cpp -** Purpose: Reconstruct an image from projections -** Programmer: Kevin Rosenberg -** Date Started: Aug 1984 -** -** This is part of the CTSim program -** Copyright (C) 1983-2000 Kevin Rosenberg -** -** $Id: ctrec.cpp,v 1.14 2000/06/25 17:32:24 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 -** 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" -#include "timer.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) -{ - 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 - cout << " bspline B-spline interpolation" << endl; -#endif - 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 ScatterProjectionsMPI (MPIWorld& mpiWorld, Projections& projGlobal, Projections& projLocal, const int debug); -static void ReduceImageMPI (MPIWorld& mpiWorld, ImageFile* imLocal, ImageFile* imGlobal); -#endif - - -int -ctrec_main (int argc, char * argv[]) -{ - Projections projGlobal; - ImageFile* imGlobal = NULL; - char* filenameProj = NULL; - char* filenameImage = NULL; - string remark; - char *endptr; - int optVerbose = 0; - int optDebug = 0; - int optTrace = TRACE_NONE; - double optFilterParam = -1; - string optFilterName = SignalFilter::FILTER_ABS_BANDLIMIT_STR; - string optInterpName = Backprojector::INTERP_LINEAR_STR; - string optBackprojName = Backprojector::BPROJ_IDIFF2_STR; - // string optFilterMethodName = SignalFilter::FILTER_METHOD_CONVOLUTION_STR; - int optInterpParam = 1; - int nx, ny; -#ifdef HAVE_MPI - ImageFile* imLocal; - int mpi_nview, mpi_ndet; - double mpi_detinc, mpi_rotinc, mpi_phmlen; - MPIWorld mpiWorld (argc, argv); -#endif - - Timer timerProgram; - -#ifdef HAVE_MPI - if (mpiWorld.getRank() == 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: - optInterpName = optarg; - break; - case O_FILTER: - optFilterName = optarg; - break; - case O_BACKPROJ: - optBackprojName = optarg; - break; - case O_FILTER_PARAM: - optFilterParam = strtod(optarg, &endptr); - if (endptr != optarg + strlen(optarg)) { - ctrec_usage(argv[0]); - } - break; - case O_VERBOSE: - optVerbose = 1; - break; - case O_DEBUG: - optDebug = 1; - break; - case O_TRACE: - if ((optTrace = opt_set_trace(optarg)) < 0) { - ctrec_usage(argv[0]); - return (1); - } - break; - case O_VERSION: -#ifdef VERSION - cout << "Version " << VERSION << endl; -#else - cout << "Unknown version number" << endl; -#endif - return (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); - } - - filenameProj = argv[optind]; - - filenameImage = argv[optind + 1]; - - nx = strtol(argv[optind + 2], &endptr, 10); - ny = strtol(argv[optind + 3], &endptr, 10); - - ostringstream filterDesc; - if (optFilterParam >= 0) - filterDesc << optFilterName << ": alpha=" << optFilterParam; - else - filterDesc << optFilterName; - - ostringstream label; - label << "Reconstruct: " << nx << "x" << ny << ", " << filterDesc.str() << ", " << optInterpName << ", " << optBackprojName; - remark = label.str(); - - if (optVerbose) - cout << "Remark: " << remark << endl; -#ifdef HAVE_MPI - } -#endif - -#ifdef HAVE_MPI - if (mpiWorld.getRank() == 0) { - projGlobal.read (filenameProj); - if (optVerbose) - projGlobal.printScanInfo(); - - mpi_ndet = projGlobal.nDet(); - mpi_nview = projGlobal.nView(); - mpi_detinc = projGlobal.detInc(); - mpi_phmlen = projGlobal.phmLen(); - mpi_rotinc = projGlobal.rotInc(); - } - - TimerCollectiveMPI timerBcast (mpiWorld.getComm()); - mpiWorld.BcastString (optBackprojName); - mpiWorld.BcastString (optFilterName); - mpiWorld.BcastString (optInterpName); - mpiWorld.getComm().Bcast (&optVerbose, 1, MPI::INT, 0); - mpiWorld.getComm().Bcast (&optDebug, 1, MPI::INT, 0); - mpiWorld.getComm().Bcast (&optTrace, 1, MPI::INT, 0); - mpiWorld.getComm().Bcast (&optFilterParam, 1, MPI::DOUBLE, 0); - mpiWorld.getComm().Bcast (&optInterpParam, 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 (optVerbose) - timerBcast.timerEndAndReport ("Time to broadcast variables"); - - mpiWorld.setTotalWorkUnits (mpi_nview); - - 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, optDebug); - if (optVerbose) - timerScatter.timerEndAndReport ("Time to scatter projections"); - - if (mpiWorld.getRank() == 0) { - imGlobal = new ImageFile (filenameImage, nx, ny); - imGlobal->fileCreate(); - } - - imLocal = new ImageFile (nx, ny); -#else - projGlobal.read (filenameProj); - if (optVerbose) - projGlobal.printScanInfo(); - - imGlobal = new ImageFile (filenameImage, nx, ny); - imGlobal->fileCreate(); -#endif - -#ifdef HAVE_MPI - TimerCollectiveMPI timerReconstruct (mpiWorld.getComm()); - projLocal.reconstruct (*imLocal, optFilterName.c_str(), optFilterParam, optInterpName.c_str(), optInterpParam, optBackprojName.c_str(), optTrace); - if (optVerbose) - timerReconstruct.timerEndAndReport ("Time to reconstruct"); - - TimerCollectiveMPI timerReduce (mpiWorld.getComm()); - ReduceImageMPI (mpiWorld, imLocal, imGlobal); - if (optVerbose) - timerReduce.timerEndAndReport ("Time to reduce image"); -#else - projGlobal.reconstruct (*imGlobal, optFilterName.c_str(), optFilterParam, optInterpName.c_str(), optInterpParam, optBackprojName.c_str(), optTrace); -#endif - -#ifdef HAVE_MPI - if (mpiWorld.getRank() == 0) -#endif - { - 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 (optVerbose) - cout << "Run time: " << calcTime << " seconds" << endl; - } -#ifdef HAVE_MPI - MPI::Finalize(); -#endif - - return (0); -} - - -////////////////////////////////////////////////////////////////////////////////////// -// MPI Support Routines -// -////////////////////////////////////////////////////////////////////////////////////// - -#ifdef HAVE_MPI -static void ScatterProjectionsMPI (MPIWorld& mpiWorld, Projections& projGlobal, Projections& projLocal, const int optDebug) -{ - 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); - } - } - } - - for (int iw = 0; iw < mpiWorld.getMyLocalWorkUnits(); iw++) { - MPI::Status 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 ); - } -} - -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 - - -#ifndef NO_MAIN -int -main (int argc, char* 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 -