+++ /dev/null
-/*****************************************************************************
-** 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
-
projects / ctsim.git / blobdiff