(self, frame)
return root_ang_vel
Get the root angular velocity from a frame.

    Args:
      frame: Frame from which the root position is to be extracted.

    Returns:
      Root position from the given frame.
Get the root angular velocity from a frame.
Get the root angular velocity from a frame .
def get_frame_root_ang_vel(self, frame):
    """Get the root angular velocity from a frame.

    Args:
      frame: Frame from which the root position is to be extracted.

    Returns:
      Root position from the given frame.

    """
    root_ang_vel = frame[self.VEL_SIZE:(self.VEL_SIZE
                                        + self.ANG_VEL_SIZE)].copy()
    return root_ang_vel
def get_frame_root_ang_vel ( self , frame ) : root_ang_vel = frame [ self . VEL_SIZE : ( self . VEL_SIZE + self . ANG_VEL_SIZE ) ] . copy ( ) return root_ang_vel