#include <iostream>
#include <fstream>
#include <sys/time.h>
+#include <getopt.h>
+#include <limits.h>
+#include <string.h>
using namespace std;
#include "mtp_tracker.h"
+#define FILENAME_SIZE 1024
+
+struct Global {
+ char trajectory_filename[FILENAME_SIZE];
+ char graph_filename[FILENAME_SIZE];
+ int verbose;
+} global;
+
+void usage(ostream *os) {
+ (*os) << "mtp [-h|--help] [--help-formats] [-v|--verbose] [-t|--trajectory-filename <trajectory filename>] [-g|--graph-filename <graph filename>] [<tracking parameter file>]" << endl;
+ (*os) << endl;
+ (*os) << "The mtp command processes a file containing the description of a topology" << endl;
+ (*os) << "and detection scores, and prints the optimal set of trajectories." << endl;
+ (*os) << endl;
+ (*os) << "If no filename is provided, it reads the parameters from the standard" << endl;
+ (*os) << "input. If no trajectory filename is provided, it writes the result to" << endl;
+ (*os) << "the standard output." << endl;
+ (*os) << endl;
+ (*os) << "Written by Francois Fleuret. (C) Idiap Research Institute, 2012." << endl;
+}
+
+void print_help_formats() {
+ cout << "The tracking parameters the command takes as input have the following" << endl;
+ cout << "format, where L is the number of locations and T is the number of time" << endl;
+ cout << "steps:" << endl;
+ cout << endl;
+ cout << "---------------------------- snip snip -------------------------------" << endl;
+ cout << " int:L int:T" << endl;
+ cout << endl;
+ cout << " bool:allowed_motion_from_1_to_1 ... bool:allowed_motion_from_1_to_L" << endl;
+ cout << " ..." << endl;
+ cout << " bool:allowed_motion_from_L_to_1 ... bool:allowed_motion_from_L_to_L" << endl;
+ cout << endl;
+ cout << " bool:entrance_1_1 ... bool:entrance_1_L" << endl;
+ cout << " ..." << endl;
+ cout << " bool:entrance_T_1 ... bool:entrance_T_L" << endl;
+ cout << endl;
+ cout << " bool:exit_1_1 ... bool:exit_1_L" << endl;
+ cout << " ..." << endl;
+ cout << " bool:exit_T_1 ... bool:exit_T_L" << endl;
+ cout << endl;
+ cout << " float:detection_score_1_1 ... float:detection_score_1_L" << endl;
+ cout << " ..." << endl;
+ cout << " float:detection_score_T_1 ... float:detection_score_T_L" << endl;
+ cout << "---------------------------- snip snip -------------------------------" << endl;
+ cout << endl;
+ cout << "As results, the command writes first the number of trajectories," << endl;
+ cout << "followed by one line per trajectory with the following structure:" << endl;
+ cout << endl;
+ cout << "---------------------------- snip snip -------------------------------" << endl;
+ cout << " int:traj_number int:entrance_time int:duration float:score int:location_1 ... int:location_duration" << endl;
+ cout << "---------------------------- snip snip -------------------------------" << endl;
+}
+
scalar_t diff_in_second(struct timeval *start, struct timeval *end) {
return
scalar_t(end->tv_sec - start->tv_sec) +
scalar_t(end->tv_usec - start->tv_usec)/1000000;
}
-int main(int argc, char **argv) {
+void do_tracking(istream *in_tracker) {
timeval start_time, end_time;
+ MTPTracker *tracker = new MTPTracker();
- if(argc < 2) {
- cerr << argv[0] << " <tracker file>" << endl;
- exit(EXIT_FAILURE);
- }
-
- ifstream *in_tracker = new ifstream(argv[1]);
-
- if(in_tracker->good()) {
-
- MTPTracker *tracker = new MTPTracker();
-
- cout << "Reading " << argv[1] << "." << endl;
- tracker->read(in_tracker);
+ if(global.verbose) { cout << "Reading the tracking parameters." << endl; }
+ tracker->read(in_tracker);
+ if(global.verbose) {
cout << "Building the graph ... "; cout.flush();
gettimeofday(&start_time, 0);
- tracker->build_graph();
+ }
+ tracker->build_graph();
+ if(global.verbose) {
gettimeofday(&end_time, 0);
cout << "done (" << diff_in_second(&start_time, &end_time) << "s)." << endl;
+ }
+ if(global.verbose) {
cout << "Tracking ... "; cout.flush();
gettimeofday(&start_time, 0);
- tracker->track();
+ }
+ tracker->track();
+ if(global.verbose) {
gettimeofday(&end_time, 0);
cout << "done (" << diff_in_second(&start_time, &end_time) << "s)." << endl;
+ }
- ofstream out_traj("result.trj");
+ if(global.trajectory_filename[0]) {
+ ofstream out_traj(global.trajectory_filename);
tracker->write_trajectories(&out_traj);
- cout << "Wrote result.trj" << endl;
+ if(global.verbose) { cout << "Wrote " << global.trajectory_filename << "." << endl; }
+ } else {
+ tracker->write_trajectories(&cout);
+ }
- ofstream out_dot("graph.dot");
+ if(global.graph_filename[0]) {
+ ofstream out_dot(global.graph_filename);
tracker->print_graph_dot(&out_dot);
- cout << "Wrote graph.dot" << endl;
+ if(global.verbose) { cout << "Wrote " << global.graph_filename << "." << endl; }
+ }
- delete tracker;
+ delete tracker;
+}
- } else {
+enum
+{
+ OPT_HELP_FORMATS = CHAR_MAX + 1
+};
+
+static struct option long_options[] = {
+ { "trajectory-file", 1, 0, 't' },
+ { "graph-file", 1, 0, 'g' },
+ { "help", no_argument, 0, 'h' },
+ { "verbose", no_argument, 0, 'v' },
+ { "help-formats", no_argument, 0, OPT_HELP_FORMATS },
+ { 0, 0, 0, 0 }
+};
+
+int main(int argc, char **argv) {
+ int c;
+ int error = 0, show_help = 0;
+
+ strncpy(global.trajectory_filename, "", FILENAME_SIZE);
+ strncpy(global.graph_filename, "", FILENAME_SIZE);
+ global.verbose = 0;
+
+ while ((c = getopt_long(argc, argv, "t:g:hv", long_options, NULL)) != -1) {
+
+ switch(c) {
+
+ case 't':
+ strncpy(global.trajectory_filename, optarg, FILENAME_SIZE);
+ break;
- cerr << "Can not open " << argv[1] << endl;
+ case 'g':
+ strncpy(global.graph_filename, optarg, FILENAME_SIZE);
+ break;
+
+ case 'h':
+ show_help = 1;
+ break;
+
+ case OPT_HELP_FORMATS:
+ print_help_formats();
+ exit(EXIT_SUCCESS);
+ break;
+
+ case 'v':
+ global.verbose = 1;
+ break;
+
+ default:
+ error = 1;
+ break;
+ }
+ }
+
+ if(error) {
+ usage(&cerr);
exit(EXIT_FAILURE);
+ }
+ if(show_help) {
+ usage(&cout);
+ exit(EXIT_SUCCESS);
}
- delete in_tracker;
+ if(optind < argc) {
+ ifstream *file_in_tracker = new ifstream(argv[optind]);
+ if(file_in_tracker->good()) {
+ do_tracking(file_in_tracker);
+ } else {
+ cerr << "Can not open " << argv[optind] << endl;
+ exit(EXIT_FAILURE);
+ }
+ delete file_in_tracker;
+ } else {
+ do_tracking(&cin);
+ }
exit(EXIT_SUCCESS);
}