calculation#
- class airtrafficsim.utils.calculation.Cal#
A utility class for calculation
Methods
cal_angle_diff(current_angle, target_angle)Calculate the difference of two angle (+ve clockwise, -ve anti-clockwise.
cal_cross_track_dist(path_lat1, path_long1, ...)Calculate the cross track distance between point(s) along a great circle path.
cal_dest_given_dist_bearing(lat, long, ...)Calculate the destination point(s) given start point(s), bearing(s) and distance(s)
cal_great_circle_bearing(lat1, long1, lat2, ...)Calculate the great circle bearing of two points.
cal_great_circle_dist(lat1, long1, lat2, long2)Calculate great circle distance in km between two point.
- static cal_great_circle_dist(lat1, long1, lat2, long2)#
Calculate great circle distance in km between two point.
- Parameters:
- lat1float[]
Latitude of first point(s) [deg]
- long1float[]
Longitude of first point(s) [deg]
- lat2float[]
Latitude of second point(s) [deg]
- long2float[]
Longitude of second point(s) [deg]
- Returns:
- float[]
Great circle distance [km]
Notes
Haversine distance using mean Earth radius 6371.009km for the WGS84 ellipsoid. https://www.movable-type.co.uk/scripts/latlong.html
- static cal_great_circle_bearing(lat1, long1, lat2, long2)#
Calculate the great circle bearing of two points.
- Parameters:
- lat1float[]
Latitude of first point(s) [deg]
- long1float[]
Longitude of first point(s) [deg]
- lat2float[]
Latitude of second point(s) [deg]
- long2float[]
Longitude of second point(s) [deg]
- Returns:
- float[]
Bearing [deg 0-360]
Notes
Initial bearing or forward azimuth https://www.movable-type.co.uk/scripts/latlong.html
- static cal_dest_given_dist_bearing(lat, long, bearing, dist)#
Calculate the destination point(s) given start point(s), bearing(s) and distance(s)
- Parameters:
- latfloat[]
Latitude of start point(s) [deg]
- longfloat[]
Longitude of start point(s) [deg]
- bearingfloat[]
Target bearing(s) [deg 0-360]
- distfloat[]
Target distance(s) [km]
- Returns:
- lat2float[]
Latitude of destination(s) [deg]
- long2float[]
Longitude of destination(s) [deg]
Notes
Using mean Earth radius 6371.009km for the WGS84 ellipsoid. https://www.movable-type.co.uk/scripts/latlong.html
- static cal_cross_track_dist(path_lat1, path_long1, path_lat2, path_long2, point_lat, point_long)#
Calculate the cross track distance between point(s) along a great circle path.
- Parameters:
- path_lat1float
Latitude of first point of great circle path [deg]
- path_long1float
Longitude of first point of great circle path [deg]
- path_lat2float
Latitude of second point of great circle path [deg]
- path_long2float
Longitude of second point of great circle point [deg]
- point_latfloat[]
Latitude of point(s) [deg]
- point_longfloat[]
Longitude of point(s) [deg]
- Returns:
- float[]
Cross track distance [km]
Notes
Cross track distance using mean Earth radius 6371.009km for the WGS84 ellipsoid. https://www.movable-type.co.uk/scripts/latlong.html
- static cal_angle_diff(current_angle, target_angle)#
Calculate the difference of two angle (+ve clockwise, -ve anti-clockwise.
- Parameters:
- current_anglefloat[]
Current angle [deg]
- target_anglefloat[]
Target angle [deg]
- Returns:
- float[]
Angle difference [deg]