The following paper describes an good and easy algorithm: https://www.mdpi.com/1996-1073/15/4/1390 The following function can be used to define a parameterized flight path: [figure_eight_path](https://github.com/OpenSourceAWE/OptimalFlightPaths.jl/blob/d4dbc5dde6c1e06b1b0beacc072615df51ab7ecb/examples/create_flightpath.jl#L3C1-L15C4)