Survey a rectangle with a rotorcraft. From Uni Stuttgart. Adapted to rotorcraft by Eduardo Reginato Lavratti In the flight plan, the survey blocks call init and run functions: 1. Initialize the variables needed for the survey to start, with nav_survey_polygon_setup(WP1, WP2, sweep_width, orientation) - WP1 the first corner of the rectangle (WP_waypoint_name) - WP2 the second corner of the rectangle (WP_waypoint_name) - sweep_width distance between the sweeps - angle NS or WE orientation 2. Run the survey with nav_survey_rectangle_rotorcraft_run(WP1,WP2) @navigation