rqt_bag.bag_helper module

Helper functions for bag files and timestamps.

rqt_bag.bag_helper.rpy_from_quaternion(x: float, y: float, z: float, w: float) → Tuple[float, float, float]

Convert quaternion to roll, pitch, yaw.

Parameters:

• x – x component of quaternion

• y – y component of quaternion

• z – z component of quaternion

• w – w component of quaternion

Returns:

roll, pitch, yaw in radians

rqt_bag.bag_helper.to_sec(t)

Convert an rclpy.time.Time or rclpy.duration.Duration to a float representing seconds.

@param t: @type t: rclpy.time.Time or rclpy.duration.Duration: @return: result @rtype: float