Route calculation relies on an advanced algorithm that considers weather conditions (wind, currents) and the sailboat's performance (speed polars). You define your starting point, destination, and departure time, and Sail Routing generates an optimized route based on expected conditions and defined constraints. The routing resolution is achieved using the A-Star algorithm, a pathfinding algorithm used in artificial intelligence. It is executed in several successive passes to refine the trajectory and find the best route. This process allows exploring different route options while ensuring effective optimization based on the forecasted weather conditions.