** Date Started: April 2003
**
** This is part of the CTSim program
-** Copyright (C) 1983-2000 Kevin Rosenberg
-**
-** $Id: linogram.cpp,v 1.3 2003/04/01 19:49:41 kevin Exp $
+** Copyright (C) 1983-2009 Kevin Rosenberg
**
** 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
#include "ct.h"
-enum { O_LABELS, O_VERBOSE, O_HELP, O_VERSION, O_DEBUG };
+enum { O_XY, O_POLAR_RT, O_VERBOSE, O_HELP, O_VERSION, O_DEBUG };
static struct option my_options[] =
{
- {"debug", 0, 0, O_DEBUG},
+ {"xy", 0, 0, O_XY},
+ {"polar-rt", 0, 0, O_POLAR_RT},
+ {"debug", 0, 0, O_DEBUG},
{"verbose", 0, 0, O_VERBOSE},
{"help", 0, 0, O_HELP},
{"version", 0, 0, O_VERSION},
{0, 0, 0, 0}
};
-static const char* g_szIdStr = "$Id: linogram.cpp,v 1.3 2003/04/01 19:49:41 kevin Exp $";
+static const char* g_szIdStr = "$Id$";
-void
+void
linogram_usage (const char *program)
{
std::cout << "usage: " << fileBasename(program) << " n d [OPTIONS]\n";
std::cout << "Imagefile information\n";
std::cout << std::endl;
- std::cout << " infile Name of input IF file\n";
- std::cout << " --debug Debug mode\n";
+ std::cout << " n Linogram N\n";
+ std::cout << " d Max detector spacing\n";
+ std::cout << " --xy Output x,y pairs\n";
+ std::cout << " --polar-rt Output r,t pairs\n";
+ std::cout << " --debug Debug mode\n";
std::cout << " --verbose Verbose mode\n";
std::cout << " --version Print version\n";
std::cout << " --help Print this help message\n";
}
-int
+int
linogram_main (int argc, char *const argv[])
{
+ int opt_polar_rt = 0;
+ int opt_xy = 0;
int opt_verbose = 0;
int opt_debug = 0;
-
+ UNUSED(opt_verbose);
+ UNUSED(opt_debug);
+
while (1)
{
int c = getopt_long (argc, argv, "", my_options, NULL);
-
+
if (c == -1)
- break;
-
+ break;
+
switch (c)
- {
- case O_VERBOSE:
- opt_verbose = 1;
- break;
- case O_DEBUG:
- opt_debug = 0;
- break;
+ {
+ case O_XY:
+ opt_xy = 1;
+ break;
+ case O_POLAR_RT:
+ opt_polar_rt = 1;
+ break;
+ case O_VERBOSE:
+ opt_verbose = 1;
+ break;
+ case O_DEBUG:
+ opt_debug = 0;
+ break;
case O_VERSION:
#ifdef VERSION
- std::cout << "Version " << VERSION << std::endl << g_szIdStr << std::endl;
+ std::cout << "Version " << VERSION << std::endl << g_szIdStr << std::endl;
#else
std::cout << "Unknown version number\n";
#endif
- return (0);
- case O_HELP:
- case '?':
- linogram_usage(argv[0]);
- return (0);
- default:
- linogram_usage(argv[0]);
- return (1);
- }
+ return (0);
+ case O_HELP:
+ case '?':
+ linogram_usage(argv[0]);
+ return (0);
+ default:
+ linogram_usage(argv[0]);
+ return (1);
+ }
}
if (optind + 2 != argc) {
linogram_usage (argv[0]);
return (1);
}
-
+
const char* in_n = argv[optind];
const char* in_d = argv[optind+1];
int n = atol (in_n);
double d = atof (in_d);
int size = 4 * n + 3;
- double theta_base = PI/8;
-
+ int max = 2 * n + 1;
+ int min = -max;
+ double theta_base = PI/4;
+ // theta_base = 0;
+
double theta_vec [size];
for (int i = 0; i < size; i++) {
int m = i - (2 * n + 1);
theta_vec[i] = atan (static_cast<double>(2 * m) / size);
}
- int m;
- for (m = 0; m < size; m++) {
- printf ("%lf: ", theta_vec[m] + theta_base);
- double step = d * cos(theta_vec[m]);
- for (int id = 0; id < size; id++) {
- printf ("%lf ", id * step);
+ if (opt_xy) {
+ int m;
+ for (m = 0; m < size; m++) {
+ double step = d * cos(theta_vec[m]);
+ for (int id = min; id <= max; id++) {
+ double r = id * step;
+ double x = r * cos(theta_vec[m] + theta_base);
+ double y = r * sin(theta_vec[m] + theta_base);
+ printf ("%lf,%lf ", x, y);
+ }
+ printf ("\n");
}
- printf ("\n");
- }
- for (m = 0; m < size; m++) {
- printf ("%lf: ", theta_vec[m] + PI/2. + theta_base);
- double step = d * cos(theta_vec[m]);
- for (int id = 0; id < size; id++) {
- printf ("%lf ", id * step);
+ for (m = 0; m < size; m++) {
+ double step = d * cos(theta_vec[m]);
+ for (int id = min; id <= max; id++) {
+ double r = id * step;
+ double x = r * cos(theta_vec[m] + PI/2 + theta_base);
+ double y = r * sin(theta_vec[m] + PI/2 + theta_base);
+ printf ("%lf,%lf ", x, y);
+ }
+ printf ("\n");
+ }
+ } else {
+ int m;
+ for (m = 0; m < size; m++) {
+ if (! opt_polar_rt)
+ printf ("%lf: ", theta_vec[m] + theta_base);
+ double step = d * cos(theta_vec[m]);
+ for (int id = min; id <= max; id++) {
+ if (opt_polar_rt)
+ printf ("%lf,", theta_vec[m] + theta_base);
+ printf ("%lf ", id * step);
+ }
+ printf ("\n");
+ }
+
+ for (m = 0; m < size; m++) {
+ if (! opt_polar_rt)
+ printf ("%lf: ", theta_vec[m] + PI/2 + theta_base);
+ double step = d * cos(theta_vec[m]);
+ for (int id = min; id <= max; id++) {
+ if (opt_polar_rt)
+ printf ("%lf,", theta_vec[m] + PI/2 + theta_base);
+ printf ("%lf ", id * step);
+ }
+ printf ("\n");
}
- printf ("\n");
}
-
+
return (0);
}
#ifndef NO_MAIN
-int
+int
main (int argc, char *const argv[])
{
int retval = 1;
try {
retval = linogram_main(argc, argv);
} catch (exception e) {
- std::cerr << "Exception: " << e.what() << std::endl;
+ std::cerr << "Exception: " << e.what() << std::endl;
} catch (...) {
- std::cerr << "Unknown exception\n";
+ std::cerr << "Unknown exception\n";
}
return (retval);
projects / ctsim.git / blobdiff