/**
* Determines the difference in solar time between two longitudes at the same
* clock time (expressed in the same time zone), that is, at the same point in
* time
*
* For a longitude east of the other longitude, the solar time is later, thus,
* the returned value is positive.
*
* @param other another longitude
* @return the difference in solar time, in seconds
* @see clockTimeOffsetTo
*/
double Longitude::solarTimeOffsetTo (const Longitude &other)
{
double dLon=normalized ().getValue ()-other.normalized ().getValue ();
// 360° -- 1 day (86400 s)
return dLon/360*86400;
}
static std::string latlon(const Latitude latitude, const Longitude longitude) {
if( latitude.is_valid() && longitude.is_valid() ) {
return latlon_abs_normalized(latitude.normalized(), "SN") + " " + latlon_abs_normalized(longitude.normalized(), "WE");
} else if( latitude.is_not_available() && longitude.is_not_available() ) {
return "not available";
} else {
return "invalid";
}
}