1 /*****************************************************************************
5 ** Purpose: Take projections of a phantom object
6 ** Programmer: Kevin Rosenberg
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: phm2pj.cpp,v 1.2 2000/06/19 17:58:13 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
32 enum { O_PHANTOM, O_DESC, O_NRAY, O_ROTANGLE, O_PHMFILE,
33 O_TRACE, O_VERBOSE, O_HELP, O_DEBUG, O_VERSION };
35 static struct option phm2pj_options[] =
37 {"phantom", 1, 0, O_PHANTOM},
38 {"phmfile", 1, 0, O_PHMFILE},
39 {"desc", 1, 0, O_DESC},
40 {"nray", 1, 0, O_NRAY},
41 {"rotangle", 1, 0, O_ROTANGLE},
42 {"trace", 1, 0, O_TRACE},
43 {"verbose", 0, 0, O_VERBOSE},
44 {"help", 0, 0, O_HELP},
45 {"debug", 0, 0, O_DEBUG},
46 {"version", 0, 0, O_VERSION},
52 phm2pj_usage (const char *program)
54 cout << "usage: " << fileBasename(program) << " outfile ndet nview [--phantom phantom-name] [--phmfile filename] [OPTIONS]" << endl;
55 cout << "Calculate (projections) through phantom object, either a predefined --phantom or a --phmfile" << endl;
57 cout << " outfile Name of output file for raysums" << endl;
58 cout << " ndet Number of detectors" << endl;
59 cout << " nview Number of rotated views" << endl;
60 cout << " --phantom Phantom to use for projection" << endl;
61 cout << " herman Herman head phantom" << endl;
62 cout << " rowland Rowland head phantom" << endl;
63 cout << " browland Bordered Rowland head phantom" << endl;
64 cout << " unitpulse Unit pulse phantom" << endl;
65 cout << " --phmfile Get Phantom from phantom file" << endl;
66 cout << " --desc Description of raysum" << endl;
67 cout << " --nray Number of rays per detector (default = 1)" << endl;
68 cout << " --rotangle Degrees to rotate view through, multiple of PI (default = 1)" << endl;
69 cout << " --trace Trace level to use" << endl;
70 cout << " none No tracing (default)" << endl;
71 cout << " text Trace text level" << endl;
72 cout << " phm Trace phantom image" << endl;
73 cout << " rays Trace rays" << endl;
74 cout << " plot Trace plot" << endl;
75 cout << " clipping Trace clipping" << endl;
76 cout << " --verbose Verbose mode" << endl;
77 cout << " --debug Debug mode" << endl;
78 cout << " --version Print version" << endl;
79 cout << " --help Print this help message" << endl;
83 void GatherProjectionsMPI (MPIWorld& mpiWorld, Projections& pjGlobal, Projections& pjLocal, const int opt_debug);
87 phm2pj_main (int argc, char* argv[])
90 ScannerGeometry opt_geometry = DETECTOR_PARALLEL;
91 char *opt_outfile = NULL;
93 string opt_phmfilename;
101 double opt_rotangle = 1;
106 MPIWorld mpiWorld (argc, argv);
112 if (mpiWorld.getRank() == 0) {
115 int c = getopt_long(argc, argv, "", phm2pj_options, NULL);
122 if ((optPhmNum = opt_set_phantom (optarg)) < 0) {
123 phm2pj_usage(argv[0]);
126 phm.create (optPhmNum);
130 if (mpiWorld.getRank() == 0)
131 cerr << "Can not read phantom from file in MPI mode" << endl;
134 opt_phmfilename = optarg;
135 phm.createFromFile (opt_phmfilename.c_str());
145 if ((opt_trace = opt_set_trace(optarg)) < 0) {
146 phm2pj_usage(argv[0]);
154 opt_rotangle = strtod(optarg, &endptr);
155 endstr = optarg + strlen(optarg);
156 if (endptr != endstr) {
157 cerr << "Error setting --rotangle to " << optarg << endl;
158 phm2pj_usage(argv[0]);
163 opt_nray = strtol(optarg, &endptr, 10);
164 endstr = optarg + strlen(optarg);
165 if (endptr != endstr) {
166 cerr << "Error setting --nray to %s" << optarg << endl;
167 phm2pj_usage(argv[0]);
173 cout << "Version: " << VERSION << endl;
175 cout << "Unknown version number" << endl;
180 phm2pj_usage(argv[0]);
183 phm2pj_usage(argv[0]);
188 if (phm.nPElem() == 0) {
189 cerr << "No phantom defined" << endl;
190 phm2pj_usage(argv[0]);
193 if (optind + 3 != argc) {
194 phm2pj_usage(argv[0]);
198 opt_outfile = argv[optind];
199 opt_ndet = strtol(argv[optind+1], &endptr, 10);
200 endstr = argv[optind+1] + strlen(argv[optind+1]);
201 if (endptr != endstr) {
202 cerr << "Error setting --ndet to " << argv[optind+1] << endl;
203 phm2pj_usage(argv[0]);
206 opt_nview = strtol(argv[optind+2], &endptr, 10);
207 endstr = argv[optind+2] + strlen(argv[optind+2]);
208 if (endptr != endstr) {
209 cerr << "Error setting --nview to " << argv[optind+2] << endl;
210 phm2pj_usage(argv[0]);
215 desc << "Raysum_Collect: NDet=" << opt_ndet << ", Nview=" << opt_nview << ", NRay=" << opt_nray << ", RotAngle=" << opt_rotangle << ", ";
216 if (opt_phmfilename.length()) {
217 desc << "PhantomFile=" << opt_phmfilename;
218 } else if (optPhmNum != -1) {
219 desc << "Phantom=" << name_of_phantom(optPhmNum);
221 if (opt_desc.length()) {
222 desc << ": " << opt_desc;
224 opt_desc = desc.str();
230 TimerCollectiveMPI timerBcast(mpiWorld.getComm());
231 mpiWorld.getComm().Bcast (&opt_rotangle, 1, MPI::DOUBLE, 0);
232 mpiWorld.getComm().Bcast (&opt_nview, 1, MPI::INT, 0);
233 mpiWorld.getComm().Bcast (&opt_ndet, 1, MPI::INT, 0);
234 mpiWorld.getComm().Bcast (&opt_nray, 1, MPI::INT, 0);
235 mpiWorld.getComm().Bcast (&optPhmNum, 1, MPI::INT, 0);
236 mpiWorld.getComm().Bcast (&opt_verbose, 1, MPI::INT, 0);
237 mpiWorld.getComm().Bcast (&opt_debug, 1, MPI::INT, 0);
238 mpiWorld.getComm().Bcast (&opt_trace, 1, MPI::INT, 0);
239 timerBcast.timerEndAndReport ("Time to broadcast variables");
241 if (mpiWorld.getRank() > 0 && optPhmNum >= 0)
242 phm.create (optPhmNum);
246 Scanner scanner (phm, opt_geometry, opt_ndet, opt_nview, opt_nray, opt_rotangle);
249 mpiWorld.setTotalWorkUnits (opt_nview);
251 Projections pjGlobal;
252 if (mpiWorld.getRank() == 0)
253 pjGlobal.initFromScanner (scanner);
256 pjGlobal.printScanInfo();
258 Projections pjLocal (scanner);
259 pjLocal.setNView (mpiWorld.getMyLocalWorkUnits());
262 cout << "pjLocal->nview = " << pjLocal.nView() << " (process " << mpiWorld.getRank() << ")" << endl;;
264 TimerCollectiveMPI timerProject (mpiWorld.getComm());
265 scanner.collectProjections (pjLocal, phm, mpiWorld.getMyStartWorkUnit(), opt_trace);
267 timerProject.timerEndAndReport ("Time to collect projections");
269 TimerCollectiveMPI timerGather (mpiWorld.getComm());
270 GatherProjectionsMPI (mpiWorld, pjGlobal, pjLocal, opt_debug);
272 timerGather.timerEndAndReport ("Time to gather projections");
275 Projections pjGlobal (scanner);
276 scanner.collectProjections (pjGlobal, phm, 0, opt_trace);
280 if (mpiWorld.getRank() == 0)
283 pjGlobal.setCalcTime (timerProgram.timerEnd());
284 pjGlobal.setRemark (opt_desc);
285 pjGlobal.write (opt_outfile);
289 pjGlobal.printScanInfo();
291 cout << " Remark: " << pjGlobal.remark() << endl;
292 cout << "Run time: " << pjGlobal.calcTime() << " seconds" << endl;
301 * GatherProjectionsMPI
304 * Gather's raysums from all processes in pjLocal in pjGlobal in process 0
308 void GatherProjectionsMPI (MPIWorld& mpiWorld, Projections& pjGlobal, Projections& pjLocal, const int opt_debug)
310 for (int iw = 0; iw < mpiWorld.getMyLocalWorkUnits(); iw++) {
311 DetectorArray& detArray = pjLocal.getDetectorArray(iw);
312 double viewAngle = detArray.viewAngle();
313 int nDet = detArray.nDet();
314 DetectorValue* detval = detArray.detValues();
316 mpiWorld.getComm().Send(&viewAngle, 1, MPI::DOUBLE, 0, 0);
317 mpiWorld.getComm().Send(&nDet, 1, MPI::INT, 0, 0);
318 mpiWorld.getComm().Send(detval, nDet, MPI::FLOAT, 0, 0);
321 if (mpiWorld.getRank() == 0) {
322 for (int iProc = 0; iProc < mpiWorld.getNumProcessors(); iProc++) {
323 for (int iw = mpiWorld.getStartWorkUnit(iProc); iw <= mpiWorld.getEndWorkUnit(iProc); iw++) {
327 DetectorArray& detArray = pjGlobal.getDetectorArray(iw);
328 DetectorValue* detval = detArray.detValues();
330 mpiWorld.getComm().Recv(&viewAngle, 1, MPI::DOUBLE, iProc, 0, status);
331 mpiWorld.getComm().Recv(&nDet, 1, MPI::INT, iProc, 0, status);
332 mpiWorld.getComm().Recv(detval, nDet, MPI::FLOAT, iProc, 0, status);
333 detArray.setViewAngle (viewAngle);
343 main (int argc, char* argv[])
348 retval = phm2pj_main(argc, argv);
349 } catch (exception e) {
350 cerr << "Exception: " << e.what() << endl;
352 cerr << "Unknown exception" << endl;