Coordinate System Conventions

ROS Standard Message Types (i.e Twist, Odometery) - REP 103

+x forward +y left +z up +yaw CCW

More information: http://www.ros.org/reps/rep-0103.html

Bebop Velocities

+x East +y South +z Down

Bebop Attitude

+x forward +y right +z down +yaw CW

SDK's setPilotingPCMD

+roll right +pitch forward +gaz up +yaw CW