1 /*****************************************************************************
5 ** Purpose: Convert an projection data file to an image file
6 ** Programmer: Kevin Rosenberg
7 ** Date Started: April 2000
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: pj2if.cpp,v 1.9 2001/01/16 23:47:29 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 ******************************************************************************/
29 * pj2if.c Convert Raysum to image
39 enum { O_VERBOSE, O_HELP, O_VERSION, O_POLAR };
41 static struct option my_options[] =
43 {"polar", 0, 0, O_POLAR},
44 {"verbose", 0, 0, O_VERBOSE},
45 {"help", 0, 0, O_HELP},
46 {"version", 0, 0, O_VERSION},
50 static const char* g_szIdStr = "$Id: pj2if.cpp,v 1.9 2001/01/16 23:47:29 kevin Exp $";
53 pj2if_usage (const char *program)
55 std::cout << "usage: " << fileBasename(program) << " in-proj-file out-if-file [OPTIONS]\n";
56 std::cout << "Converts a projection file to a imagefile\n";
57 std::cout << std::endl;
58 std::cout << " --polar Convert to polar format\n";
59 std::cout << " --verbose Verbose mode\n";
60 std::cout << " --version Print version\n";
61 std::cout << " --help Print this help message\n";
65 pj2if_main (const int argc, char *const argv[])
67 char *pj_name, *im_name;
68 bool optVerbose = false;
74 int c = getopt_long (argc, argv, "", my_options, NULL);
85 std::cout << "Version " << VERSION << std::endl << g_szIdStr << std::endl;
87 std::cout << "Unknown version number\n";
100 if (argc - optind != 2) {
101 pj2if_usage(argv[0]);
105 pj_name = argv[optind];
106 im_name = argv[optind + 1];
109 if (! pj.read (pj_name)) {
110 sys_error (ERR_SEVERE, "Can not open projection file %s", pj_name);
115 std::ostringstream os;
116 pj.printScanInfo (os);
117 std::cout << os.str();
120 ImageFile im (pj.nDet(), pj.nView());
122 ImageFileArray v = im.getArray();
124 for (int iy = 0; iy < pj.nView(); iy++) {
125 const DetectorArray& detarray = pj.getDetectorArray (pj.nView() - iy - 1);
126 const DetectorValue* detval = detarray.detValues();
127 for (int ix = 0; ix < pj.nDet(); ix++) {
128 v[ix][iy] = detval[ix];
132 im.labelAdd (pj.getLabel());
133 im.labelAdd (Array2dFileLabel::L_HISTORY, "Conversion from .pj to .if", timerProgram.timerEnd());
134 im.fileWrite (im_name);
142 main (const int argc, char *const argv[])
147 retval = pj2if_main(argc, argv);
148 } catch (exception e) {
149 std::cerr << "Exception: " << e.what() << std::endl;
151 std::cerr << "Unknown exception\n";