int main(int argc, char *argv[])
{
float my_latitude = 0.0, my_longitude = 0.0, other_latitude = 0.0, other_longitude = 0.0;
std::string my_locator, other_locator;
Locator *my_loc, *other_loc;
bool my_loc_present = false, other_loc_present = false, distant_data_present = false;
//-----------------------------traitement des options---------------------------
//------------------------------------------------------------------------------
int index;
opterr = 0;
int c;
while ((c = getopt (argc, argv, "a:L:l:b:D:d:")) != -1)
{
switch (c)
{
case 'a':
my_locator = optarg;
my_loc_present = true;
break;
case 'L':
my_latitude = atof(optarg);
break;
case 'l':
my_longitude = atof(optarg);
break;
case 'b':
other_locator = optarg;
other_loc_present = true;
distant_data_present = true;
break;
case 'D':
other_latitude = atof(optarg);
distant_data_present = true;
break;
case 'd':
other_longitude = atof(optarg);
distant_data_present = true;
break;
case '?':
std::cerr << "Unknown option " << optopt << std::endl;
std::cerr << "Usage is " << argv[0] << " options" << std::endl;
std::cerr << " options are:" << std::endl;
std::cerr << " -a: My locator" << std::endl;
std::cerr << " -L: My latitude in decimal degrees, positive towards north" << std::endl;
std::cerr << " -l: My longitude in decimal degrees, positive towards east" << std::endl;
std::cerr << " -b: Distant locator" << std::endl;
std::cerr << " -D: Distant latitude in decimal degrees, positive towards north" << std::endl;
std::cerr << " -d: Distant longitude in decimal degrees, positive towards east" << std::endl;
std::cerr << " uses lat,lon and displays the locator if -a or -b option is empty or not present" << std::endl;
std::cerr << " else disregards lat,lon options" << std::endl;
std::cerr << " calculates distance and bearing only if distant point info is provided" << std::endl;
return 1;
default:
abort ();
}
}
for (index = optind; index < argc; index++) {} // non option arguments
try
{
if (my_loc_present)
my_loc = new Locator(my_locator);
else
my_loc = new Locator(my_latitude, my_longitude);
}
catch (LocatorInvalidException ex)
{
std::cerr << "Locator " << ex.getString() << " is invalid" << std::endl;
delete my_loc;
return 1;
}
try
{
if (other_loc_present)
other_loc = new Locator(other_locator);
else
other_loc = new Locator(other_latitude, other_longitude);
}
catch (LocatorInvalidException ex)
{
std::cerr << "Locator " << ex.getString() << " is invalid" << std::endl;
delete other_loc;
return 1;
}
std::cout << "------------------------------------------------------------------------------" << std::endl;
std::cout << "My Station:" << std::endl;
if (my_loc_present)
{
std::cout << " Latitude....: " << my_loc->latitude() << " deg" << std::endl;
std::cout << " Longitude...: " << my_loc->longitude() << " deg" << std::endl;
}
else
std::cout << " Locator.....: " << my_loc->toString() << std::endl;
if (distant_data_present)
{
LocPoint my_point(*my_loc);
LocPoint other_point(*other_loc);
std::cout << std::endl;
std::cout << "Other Station:" << std::endl;
if (other_loc_present)
{
std::cout << " Latitude....: " << other_loc->latitude() << " deg" << std::endl;
std::cout << " Longitude...: " << other_loc->longitude() << " deg" << std::endl;
}
else
std::cout << " Locator.....: " << other_loc->toString() << std::endl;
std::cout << std::endl;
std::cout << "To other station:" << std::endl;
std::cout << " Distance....: " << my_point.distanceTo(other_point) << " km" << std::endl;
std::cout << " Bearing.....: " << my_point.bearingTo(other_point) << " deg" << std::endl;
std::cout << std::endl;
std::cout << "From other station:" << std::endl;
std::cout << " Bearing.....: " << other_point.bearingTo(my_point) << " deg" << std::endl;
}
std::cout << "------------------------------------------------------------------------------" << std::endl;
return 0;
}
double c_entity::get_distance (const c_entity &entity) {
t_geo_point my_point(m_x, m_y);
t_geo_point remote_point(entity.m_x, entity.m_y);
return c_geometry::distance(my_point, remote_point);
}
