bool
IGCFix::Apply(const NMEAInfo &basic)
{
if (!basic.time_available)
return false;
if (!IsDefined() && !basic.location_available)
return false;
/* "Use A for a 3D fix and V for a 2D fix (no GPS altitude) or for
no GPS data" */
gps_valid = basic.location_available && basic.gps_altitude_available;
if (basic.location_available)
location = basic.location;
time = basic.date_time_utc;
gps_altitude = basic.gps_altitude_available
? (int)basic.gps_altitude
: 0;
pressure_altitude = basic.pressure_altitude_available
? (int)basic.pressure_altitude
: (basic.baro_altitude_available
/* if there's only baro altitude and no QNH, assume baro
altitude is good enough */
? (int)basic.baro_altitude
/* if all else fails, fall back to GPS altitude, to avoid
application bugs (SeeYou is known for display errors) */
: gps_altitude);
ClearExtensions();
enl = basic.engine_noise_level_available
? (int16_t) basic.engine_noise_level
: -1;
trt = basic.track_available
? (int16_t) basic.track.Degrees()
: -1;
gsp = basic.ground_speed_available
? (int16_t) Units::ToUserUnit(basic.ground_speed, Unit::KILOMETER_PER_HOUR)
: -1;
if (basic.airspeed_available) {
ias = (int16_t) Units::ToUserUnit(basic.indicated_airspeed, Unit::KILOMETER_PER_HOUR);
tas = (int16_t) Units::ToUserUnit(basic.true_airspeed, Unit::KILOMETER_PER_HOUR);
}
siu = basic.gps.satellites_used_available
? (int16_t) basic.gps.satellites_used
: -1;
return true;
}
void Clear() {
time = BrokenTime::Invalid();
ClearExtensions();
}
void Clear() {
time = BrokenTime::Invalid();
elevation = -1000;
level = 0;
ClearExtensions();
};
