_tiedProperties.Tie("max-visibility-m", &_max_visibility );
_tiedProperties.Tie("base-wind-range-from", &_base_wind_range_from );
_tiedProperties.Tie("base-wind-range-to", &_base_wind_range_to );
- _tiedProperties.Tie("base-wind-speed-kt", &_wind_speed );
- _tiedProperties.Tie("base-wind-dir-deg", &_base_wind_dir );
- _tiedProperties.Tie("base-wind-from-north-fps", &_wind_from_north_fps );
- _tiedProperties.Tie("base-wind-from-east-fps", &_wind_from_east_fps );
+ _tiedProperties.Tie("base-wind-speed-kt", this, &MetarProperties::get_wind_speed, &MetarProperties::set_wind_speed );
+ _tiedProperties.Tie("base-wind-dir-deg", this, &MetarProperties::get_base_wind_dir, &MetarProperties::set_base_wind_dir );
+ _tiedProperties.Tie("base-wind-from-north-fps", this, &MetarProperties::get_wind_from_north_fps, &MetarProperties::set_wind_from_north_fps );
+ _tiedProperties.Tie("base-wind-from-east-fps",this, &MetarProperties::get_wind_from_east_fps, &MetarProperties::set_wind_from_east_fps );
_tiedProperties.Tie("gust-wind-speed-kt", &_gusts );
_tiedProperties.Tie("temperature-degc", &_temperature );
_tiedProperties.Tie("dewpoint-degc", &_dewpoint );
vis->setDoubleValue("max-m", v);
}
- _base_wind_dir = m->getWindDir();
+ set_base_wind_dir(m->getWindDir());
_base_wind_range_from = m->getWindRangeFrom();
_base_wind_range_to = m->getWindRangeTo();
- _wind_speed = m->getWindSpeed_kt();
+ set_wind_speed(m->getWindSpeed_kt());
- double speed_fps = _wind_speed * SG_NM_TO_METER * SG_METER_TO_FEET / 3600.0;
- _wind_from_north_fps = speed_fps * cos((double)_base_wind_dir * SGD_DEGREES_TO_RADIANS);
- _wind_from_east_fps = speed_fps * sin((double)_base_wind_dir * SGD_DEGREES_TO_RADIANS);
_gusts = m->getGustSpeed_kt();
_temperature = m->getTemperature_C();
_dewpoint = m->getDewpoint_C();
return _magneticVariation->get_dip_deg( _station_longitude, _station_latitude, _station_elevation );
}
+static inline void calc_wind_hs( double north_fps, double east_fps, int & heading_deg, double & speed_kt )
+{
+ speed_kt = sqrt((north_fps)*(north_fps)+(east_fps)*(east_fps)) * 3600.0 / (SG_NM_TO_METER * SG_METER_TO_FEET);
+ heading_deg = SGMiscd::roundToInt(
+ SGMiscd::normalizeAngle2( atan2( east_fps, north_fps ) ) * SGD_RADIANS_TO_DEGREES );
+}
+
+void MetarProperties::set_wind_from_north_fps( double value )
+{
+ _wind_from_north_fps = value;
+ calc_wind_hs( _wind_from_north_fps, _wind_from_east_fps, _base_wind_dir, _wind_speed );
+}
+
+void MetarProperties::set_wind_from_east_fps( double value )
+{
+ _wind_from_east_fps = value;
+ calc_wind_hs( _wind_from_north_fps, _wind_from_east_fps, _base_wind_dir, _wind_speed );
+}
+
+static inline void calc_wind_ne( double heading_deg, double speed_kt, double & north_fps, double & east_fps )
+{
+ double speed_fps = speed_kt * SG_NM_TO_METER * SG_METER_TO_FEET / 3600.0;
+ north_fps = speed_fps * cos(heading_deg * SGD_DEGREES_TO_RADIANS);
+ east_fps = speed_fps * sin(heading_deg * SGD_DEGREES_TO_RADIANS);
+}
+
+void MetarProperties::set_base_wind_dir( double value )
+{
+ _base_wind_dir = value;
+ calc_wind_ne( (double)_base_wind_dir, _wind_speed, _wind_from_north_fps, _wind_from_east_fps );
+}
+
+void MetarProperties::set_wind_speed( double value )
+{
+ _wind_speed = value;
+ calc_wind_ne( (double)_base_wind_dir, _wind_speed, _wind_from_north_fps, _wind_from_east_fps );
+}
+
+
} // namespace Environment