int main(int argc, char * argv[]) {
double t = 1;
double *results;
double couple[3] = {-1,-1,-1};
for (t = 4; t > 0; t-= 0.1) {
results = run_model(t, 0, couple, 1000, 5, 5, 10, 2, 1);
printf("%lf\t%lf\t%lf\t%lf\t%lf\t%lf\n", t, results[0], results[2], results[3], results[4], results[5]);
}
return(0);
}
int main(int argc, char * argv[]) {
int i;
double *results;
double coupling[3] = {-1,-1,-1};
// printf("one/number of Blocks vs error\n");
for (i = 1; i < 100; i += 1) {
results = run_model(1, 0.0, coupling, i, 10, 10, 10, 1, 2, 1);
printf("%lf\t%lf\t%lf\n", (double) 1/i, results[2], results[3]);
}
return(0);
}
int main(int argc, const char *argv[]) {
const char* argument;
long int initial_timestamp;
float initial_lat, initial_lng, initial_alt;
float burst_alt, ascent_rate, drag_coeff, rmswinderror;
int descent_mode;
int scenario_idx, n_scenarios;
int alarm_time;
char* endptr; // used to check for errors on strtod calls
wind_file_cache_t* file_cache;
dictionary* scenario = NULL;
// configure command-line options parsing
void *options = gopt_sort(&argc, argv, gopt_start(
gopt_option('h', 0, gopt_shorts('h', '?'), gopt_longs("help")),
gopt_option('z', 0, gopt_shorts(0), gopt_longs("version")),
gopt_option('v', GOPT_REPEAT, gopt_shorts('v'), gopt_longs("verbose")),
gopt_option('o', GOPT_ARG, gopt_shorts('o'), gopt_longs("output")),
gopt_option('k', GOPT_ARG, gopt_shorts('k'), gopt_longs("kml")),
gopt_option('t', GOPT_ARG, gopt_shorts('t'), gopt_longs("start_time")),
gopt_option('i', GOPT_ARG, gopt_shorts('i'), gopt_longs("data_dir")),
gopt_option('d', 0, gopt_shorts('d'), gopt_longs("descending")),
gopt_option('e', GOPT_ARG, gopt_shorts('e'), gopt_longs("wind_error")),
gopt_option('a', GOPT_ARG, gopt_shorts('a'), gopt_longs("alarm"))
));
if (gopt(options, 'h')) {
// Help!
// Print usage information
printf("Usage: %s [options] [scenario files]\n", argv[0]);
printf("Options:\n\n");
printf(" -h --help Display this information.\n");
printf(" --version Display version information.\n");
printf(" -v --verbose Display more information while running,\n");
printf(" Use -vv, -vvv etc. for even more verbose output.\n");
printf(" -t --start_time <int> Start time of model, defaults to current time.\n");
printf(" Should be a UNIX standard format timestamp.\n");
printf(" -o --output <file> Output file for CSV data, defaults to stdout. Overrides scenario.\n");
printf(" -k --kml <file> Output KML file.\n");
printf(" -d --descending We are in the descent phase of the flight, i.e. after\n");
printf(" burst or cutdown. burst_alt and ascent_rate ignored.\n");
printf(" -i --data_dir <dir> Input directory for wind data, defaults to current dir.\n\n");
printf(" -e --wind_error <err> RMS windspeed error (m/s).\n");
printf(" -a --alarm <seconds> Use alarm() to kill pred incase it hangs.\n");
printf("The scenario file is an INI-like file giving the launch scenario. If it is\n");
printf("omitted, the scenario is read from standard input.\n");
exit(0);
}
if (gopt(options, 'z')) {
// Version information
printf("Landing Prediction version: %s\nCopyright (c) CU Spaceflight 2009\n", VERSION);
exit(0);
}
if (gopt_arg(options, 'a', &argument) && strcmp(argument, "-")) {
alarm_time = strtol(argument, &endptr, 0);
if (endptr == argument) {
fprintf(stderr, "ERROR: %s: invalid alarm length\n", argument);
exit(1);
}
alarm(alarm_time);
}
verbosity = gopt(options, 'v');
if (gopt(options, 'd'))
descent_mode = DESCENT_MODE_DESCENDING;
else
descent_mode = DESCENT_MODE_NORMAL;
if (gopt_arg(options, 'k', &argument) && strcmp(argument, "-")) {
kml_file = fopen(argument, "wb");
if (!kml_file) {
fprintf(stderr, "ERROR: %s: could not open KML file for output\n", argument);
exit(1);
}
}
else
kml_file = NULL;
if (gopt_arg(options, 't', &argument) && strcmp(argument, "-")) {
initial_timestamp = strtol(argument, &endptr, 0);
if (endptr == argument) {
fprintf(stderr, "ERROR: %s: invalid start timestamp\n", argument);
exit(1);
}
} else {
initial_timestamp = time(NULL);
}
if (!(gopt_arg(options, 'i', &data_dir) && strcmp(data_dir, "-")))
data_dir = "./";
// populate wind data file cache
file_cache = wind_file_cache_new(data_dir);
// read in flight parameters
n_scenarios = argc - 1;
if(n_scenarios == 0) {
// we'll parse from std in
n_scenarios = 1;
}
for(scenario_idx = 0; scenario_idx < n_scenarios; ++scenario_idx) {
char* scenario_output = NULL;
if(argc > scenario_idx+1) {
scenario = iniparser_load(argv[scenario_idx+1]);
} else {
scenario = iniparser_loadfile(stdin);
}
if(!scenario) {
fprintf(stderr, "ERROR: could not parse scanario file.\n");
exit(1);
}
if(verbosity > 1) {
fprintf(stderr, "INFO: Parsed scenario file:\n");
iniparser_dump_ini(scenario, stderr);
}
scenario_output = iniparser_getstring(scenario, "output:filename", NULL);
if (gopt_arg(options, 'o', &argument) && strcmp(argument, "-")) {
if(verbosity > 0) {
fprintf(stderr, "INFO: Writing output to file specified on command line: %s\n", argument);
}
output = fopen(argument, "wb");
if (!output) {
fprintf(stderr, "ERROR: %s: could not open CSV file for output\n", argument);
exit(1);
}
} else if (scenario_output != NULL) {
if(verbosity > 0) {
fprintf(stderr, "INFO: Writing output to file specified in scenario: %s\n", scenario_output);
}
output = fopen(scenario_output, "wb");
if (!output) {
fprintf(stderr, "ERROR: %s: could not open CSV file for output\n", scenario_output);
exit(1);
}
} else {
if(verbosity > 0) {
fprintf(stderr, "INFO: Writing output to stdout.\n");
}
output = stdout;
}
// write KML header
if (kml_file)
start_kml();
// The observant amongst you will notice that there are default values for
// *all* keys. This information should not be spread around too well.
// Unfortunately, this means we lack some error checking.
initial_lat = iniparser_getdouble(scenario, "launch-site:latitude", 0.0);
initial_lng = iniparser_getdouble(scenario, "launch-site:longitude", 0.0);
initial_alt = iniparser_getdouble(scenario, "launch-site:altitude", 0.0);
ascent_rate = iniparser_getdouble(scenario, "altitude-model:ascent-rate", 1.0);
// The 1.1045 comes from a magic constant buried in
// ~cuspaceflight/public_html/predict/index.php.
drag_coeff = iniparser_getdouble(scenario, "altitude-model:descent-rate", 1.0) * 1.1045;
burst_alt = iniparser_getdouble(scenario, "altitude-model:burst-altitude", 1.0);
rmswinderror = iniparser_getdouble(scenario, "atmosphere:wind-error", 0.0);
if(gopt_arg(options, 'e', &argument) && strcmp(argument, "-")) {
rmswinderror = strtod(argument, &endptr);
if (endptr == argument) {
fprintf(stderr, "ERROR: %s: invalid RMS wind speed error\n", argument);
exit(1);
}
}
{
int year, month, day, hour, minute, second;
year = iniparser_getint(scenario, "launch-time:year", -1);
month = iniparser_getint(scenario, "launch-time:month", -1);
day = iniparser_getint(scenario, "launch-time:day", -1);
hour = iniparser_getint(scenario, "launch-time:hour", -1);
minute = iniparser_getint(scenario, "launch-time:minute", -1);
second = iniparser_getint(scenario, "launch-time:second", -1);
if((year >= 0) && (month >= 0) && (day >= 0) && (hour >= 0)
&& (minute >= 0) && (second >= 0))
{
struct tm timeval = { 0 };
time_t scenario_launch_time = -1;
if(verbosity > 0) {
fprintf(stderr, "INFO: Using launch time from scenario: "
"%i/%i/%i %i:%i:%i\n",
year, month, day, hour, minute, second);
}
timeval.tm_sec = second;
timeval.tm_min = minute;
timeval.tm_hour = hour;
timeval.tm_mday = day; /* 1 - 31 */
timeval.tm_mon = month - 1; /* 0 - 11 */
timeval.tm_year = year - 1900; /* f**k you Millenium Bug! */
#ifndef _BSD_SOURCE
# warning This version of mktime does not allow explicit setting of timezone.
#else
timeval.tm_zone = "UTC";
#endif
scenario_launch_time = mktime(&timeval);
if(scenario_launch_time <= 0) {
fprintf(stderr, "ERROR: Launch time in scenario is invalid\n");
exit(1);
} else {
initial_timestamp = scenario_launch_time;
}
}
}
if(verbosity > 0) {
fprintf(stderr, "INFO: Scenario loaded:\n");
fprintf(stderr, " - Initial latitude : %lf deg N\n", initial_lat);
fprintf(stderr, " - Initial longitude : %lf deg E\n", initial_lng);
fprintf(stderr, " - Initial altitude : %lf m above sea level\n", initial_alt);
fprintf(stderr, " - Initial timestamp : %li\n", initial_timestamp);
fprintf(stderr, " - Drag coeff. : %lf\n", drag_coeff);
if(!descent_mode) {
fprintf(stderr, " - Ascent rate : %lf m/s\n", ascent_rate);
fprintf(stderr, " - Burst alt. : %lf m\n", burst_alt);
}
fprintf(stderr, " - Windspeed err. : %f m/s\n", rmswinderror);
}
{
// do the actual stuff!!
altitude_model_t* alt_model = altitude_model_new(descent_mode, burst_alt,
ascent_rate, drag_coeff);
if(!alt_model) {
fprintf(stderr, "ERROR: error initialising altitude profile\n");
exit(1);
}
if (!run_model(file_cache, alt_model,
initial_lat, initial_lng, initial_alt, initial_timestamp,
rmswinderror)) {
fprintf(stderr, "ERROR: error during model run!\n");
exit(1);
}
altitude_model_free(alt_model);
}
// release the scenario
iniparser_freedict(scenario);
// write footer to KML and close output files
if (kml_file) {
finish_kml();
fclose(kml_file);
}
if (output != stdout) {
fclose(output);
}
}
// release gopt data,
gopt_free(options);
// release the file cache resources.
wind_file_cache_free(file_cache);
return 0;
}
