+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: phm2helix.cpp
+** Purpose: Take projections of a phantom object
+** Programmer: Ian Kay
+** Date Started: Aug 2001
+**
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: phm2helix.cpp,v 1.1 2001/09/24 09:40:42 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_PHANTOMPROG, O_PHMFILE, O_DESC, O_NRAY, O_ROTANGLE, O_GEOMETRY, O_FOCAL_LENGTH, O_CENTER_DETECTOR_LENGTH,
+ O_VIEW_RATIO, O_SCAN_RATIO, O_OFFSETVIEW, O_TRACE, O_VERBOSE, O_HELP, O_DEBUG, O_VERSION };
+
+static struct option phm2helix_options[] =
+{
+ {"phantom", 1, 0, O_PHANTOMPROG},
+ {"desc", 1, 0, O_DESC},
+ {"nray", 1, 0, O_NRAY},
+ {"rotangle", 1, 0, O_ROTANGLE},
+ {"geometry", 1, 0, O_GEOMETRY},
+ {"focal-length", 1, 0, O_FOCAL_LENGTH},
+ {"center-detector-length", 1, 0, O_CENTER_DETECTOR_LENGTH},
+ {"view-ratio", 1, 0, O_VIEW_RATIO},
+ {"scan-ratio", 1, 0, O_SCAN_RATIO},
+ {"offsetview", 1, 0, O_OFFSETVIEW},
+ {"trace", 1, 0, O_TRACE},
+ {"verbose", 0, 0, O_VERBOSE},
+ {"help", 0, 0, O_HELP},
+ {"debug", 0, 0, O_DEBUG},
+ {"version", 0, 0, O_VERSION},
+ {"phmfile", 1, 0, O_PHMFILE},
+ {0, 0, 0, 0}
+};
+
+static const char* g_szIdStr = "$Id: phm2helix.cpp,v 1.1 2001/09/24 09:40:42 kevin Exp $";
+
+
+void
+phm2helix_usage (const char *program)
+{
+ std::cout << "usage: " << fileBasename(program) << " outfile ndet nview phmprog [OPTIONS]\n";
+ std::cout << "Calculate (projections) through time varying phantom object \n\n";
+ std::cout << " outfile Name of output file for projectsions\n";
+ std::cout << " ndet Number of detectors\n";
+ std::cout << " nview Number of rotated views\n";
+ std::cout << " phmprog Name of phm generation executable\n";
+ std::cout << " --phmfile Temp phantom file name \n";
+ std::cout << " --desc Description of raysum\n";
+ std::cout << " --nray Number of rays per detector (default = 1)\n";
+ std::cout << " --rotangle Angle to rotate view through (fraction of a circle)\n";
+ std::cout << " (default = select appropriate for geometry)\n";
+ std::cout << " --geometry Geometry of scanning\n";
+ std::cout << " parallel Parallel scan beams (default)\n";
+ std::cout << " equilinear Equilinear divergent scan beams\n";
+ std::cout << " equiangular Equiangular divergent scan beams\n";
+ std::cout << " --focal-length Focal length ratio (ratio to radius of phantom)\n";
+ std::cout << " (default = 1)\n";
+ std::cout << " --view-ratio Length to view (view diameter to phantom diameter)\n";
+ std::cout << " (default = 1)\n";
+ std::cout << " --scan-ratio Length to scan (scan diameter to view diameter)\n";
+ std::cout << " (default = 1)\n";
+ std::cout << " --offsetview Intial gantry offset in 'views' (default = 0)\n";
+ std::cout << " --trace Trace level to use\n";
+ std::cout << " none No tracing (default)\n";
+ std::cout << " console Trace text level\n";
+ std::cout << " phantom Trace phantom image\n";
+ std::cout << " proj Trace projections\n";
+ std::cout << " plot Trace plot\n";
+ std::cout << " clipping Trace clipping\n";
+ std::cout << " --verbose Verbose mode\n";
+ std::cout << " --debug Debug mode\n";
+ std::cout << " --version Print version\n";
+ std::cout << " --help Print this help message\n";
+}
+
+
+int
+phm2helix_main (int argc, char* const argv[])
+{
+ Phantom phm;
+ std::string optGeometryName = Scanner::convertGeometryIDToName(Scanner::GEOMETRY_PARALLEL);
+ char *opt_outfile = NULL;
+ std::string opt_desc;
+ std::string opt_PhmProg;
+ std::string opt_PhmFileName = "tmpphmfile";
+ int opt_ndet;
+ int opt_nview;
+ int opt_offsetview = 0;
+ int opt_nray = 1;
+ double dOptFocalLength = 2.;
+ double dOptCenterDetectorLength = 2;
+ double dOptViewRatio = 1.;
+ double dOptScanRatio = 1.;
+ int opt_trace = Trace::TRACE_NONE;
+ int opt_verbose = 0;
+ int opt_debug = 0;
+ double opt_rotangle = -1;
+ char* endptr = NULL;
+ char* endstr;
+
+ Timer timerProgram;
+
+ while (1) {
+ int c = getopt_long(argc, argv, "", phm2helix_options, NULL);
+
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case O_VERBOSE:
+ opt_verbose = 1;
+ break;
+ case O_DEBUG:
+ opt_debug = 1;
+ break;
+ case O_TRACE:
+ if ((opt_trace = Trace::convertTraceNameToID(optarg))
+ == Trace::TRACE_INVALID) {
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_PHMFILE:
+ opt_PhmFileName = optarg;
+ break;
+ case O_DESC:
+ opt_desc = optarg;
+ break;
+ case O_ROTANGLE:
+ opt_rotangle = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --rotangle to " << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_GEOMETRY:
+ optGeometryName = optarg;
+ break;
+ case O_FOCAL_LENGTH:
+ dOptFocalLength = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --focal-length to " << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_CENTER_DETECTOR_LENGTH:
+ dOptCenterDetectorLength = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --center-detector-length to " << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_VIEW_RATIO:
+ dOptViewRatio = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --view-ratio to " << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_SCAN_RATIO:
+ dOptScanRatio = strtod(optarg, &endptr);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --scan-ratio to " << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_NRAY:
+ opt_nray = strtol(optarg, &endptr, 10);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --nray to %s" << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_OFFSETVIEW:
+ opt_offsetview = strtol(optarg, &endptr, 10);
+ endstr = optarg + strlen(optarg);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --offsetview to %s" << optarg << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ break;
+ case O_VERSION:
+#ifdef VERSION
+ std::cout << "Version: " << VERSION << std::endl << g_szIdStr << std::endl;
+#else
+ std::cout << "Unknown version number\n";
+#endif
+ return (0);
+ case O_HELP:
+ case '?':
+ phm2helix_usage(argv[0]);
+ return (0);
+ default:
+ phm2helix_usage(argv[0]);
+ return (1);
+ } // end of switch
+ } // end of while loop
+
+ if (optind + 4 != argc) {
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+
+ opt_outfile = argv[optind];
+ opt_ndet = strtol(argv[optind+1], &endptr, 10);
+ endstr = argv[optind+1] + strlen(argv[optind+1]);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --ndet to " << argv[optind+1] << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ opt_nview = strtol(argv[optind+2], &endptr, 10);
+ endstr = argv[optind+2] + strlen(argv[optind+2]);
+ if (endptr != endstr) {
+ std::cerr << "Error setting --nview to " << argv[optind+2] << std::endl;
+ phm2helix_usage(argv[0]);
+ return (1);
+ }
+ opt_PhmProg = argv[optind+3];
+
+ if (opt_rotangle < 0) {
+ if (optGeometryName.compare ("parallel") == 0)
+ opt_rotangle = 0.5;
+ else
+ opt_rotangle = 1.0;
+ }
+
+ std::ostringstream desc;
+ desc << "phm2helix: NDet=" << opt_ndet
+ << ", Nview=" << opt_nview
+ << ", NRay=" << opt_nray
+ << ", RotAngle=" << opt_rotangle
+ << ", OffsetView =" << opt_offsetview
+ << ", Geometry=" << optGeometryName
+ << ", PhantomProg=" << opt_PhmProg
+ << ", PhmFileName=" << opt_PhmFileName;
+ if (opt_desc.length()) {
+ desc << ": " << opt_desc;
+ }
+ opt_desc = desc.str();
+
+ opt_rotangle *= TWOPI;
+
+ int stat;
+ char extcommand[100];
+ if(opt_debug != 0)
+ std::cout << opt_PhmProg << " " << 0 << " " << opt_nview << " " << opt_PhmFileName << std::endl;
+ //extcommand << opt_PhmProg << " " << 0 << " " << opt_nview << " " << opt_PhmFileName ;
+
+ sprintf(extcommand, "%s %d %d %s", opt_PhmProg.c_str(), 0, opt_nview, opt_PhmFileName.c_str() );
+
+ stat = system( extcommand );
+ if (stat != 0 )
+ std::cerr << "Error executing external phantom program " << opt_PhmProg << " with command " << extcommand << std::endl;
+
+ phm.createFromFile (opt_PhmFileName.c_str());
+ remove(opt_PhmFileName.c_str());
+
+ Scanner scanner (phm, optGeometryName.c_str(), opt_ndet, opt_nview,
+ opt_offsetview, opt_nray, opt_rotangle, dOptFocalLength,
+ dOptCenterDetectorLength, dOptViewRatio, dOptScanRatio);
+ if (scanner.fail()) {
+ std::cout << "Scanner Creation Error: " << scanner.failMessage()
+ << std::endl;
+ return (1);
+ }
+
+ Projections pjGlobal(scanner);
+
+
+ for( int iView = 0; iView < opt_nview; iView++ ){
+ if(opt_debug != 0)
+ std::cout << opt_PhmProg << " " << iView << " " << opt_nview << " " << opt_PhmFileName << std::endl;
+ //extcommand << opt_PhmProg << " " << iView << " " << opt_nview << " " << opt_PhmFileName ;
+
+ sprintf(extcommand, "%s %d %d %s", opt_PhmProg.c_str(), iView, opt_nview, opt_PhmFileName.c_str() );
+ stat = system( extcommand );
+
+ if (stat != 0 )
+ std::cerr << "Error executing external phantom program " << opt_PhmProg << " with command " << extcommand << std::endl;
+ Phantom phmtmp;
+ phmtmp.createFromFile (opt_PhmFileName.c_str());
+
+ scanner.collectProjections (pjGlobal, phmtmp, iView,
+ 1, scanner.offsetView(), true, opt_trace);
+ remove(opt_PhmFileName.c_str());
+ }
+
+
+ pjGlobal.setCalcTime (timerProgram.timerEnd());
+ pjGlobal.setRemark (opt_desc);
+ pjGlobal.write (opt_outfile);
+ if (opt_verbose) {
+ phm.print (std::cout);
+ std::cout << std::endl;
+ std::ostringstream os;
+ pjGlobal.printScanInfo (os);
+ std::cout << os.str() << std::endl;
+ std::cout << " Remark: " << pjGlobal.remark() << std::endl;
+ std::cout << "Run time: " << pjGlobal.calcTime() << " seconds\n";
+ }
+
+ return (0);
+}
+
+
+#ifndef NO_MAIN
+int
+main (int argc, char* argv[])
+{
+ int retval = 1;
+
+ try {
+ retval = phm2helix_main(argc, argv);
+#if HAVE_DMALLOC
+ // dmalloc_shutdown();
+#endif
+ } catch (exception e) {
+ std::cerr << "Exception: " << e.what() << std::endl;
+ } catch (...) {
+ std::cerr << "Unknown exception\n";
+ }
+
+ return (retval);
+}
+#endif
+