parameters: (self,localPt=None)
docstring: Returns a Trajectory describing the movement of the given
          local point localPt (or the origin, if none is provided).
docstring_summary: Returns a Trajectory describing the movement of the given
          local point localPt (or the origin, if none is provided).
docstring_tokens: Returns a Trajectory describing the movement of the given local point localPt ( or the origin if none is provided ) .
function: def getPositionTrajectory(self,localPt=None):
          """Returns a Trajectory describing the movement of the given
          local point localPt (or the origin, if none is provided)."""
          if localPt is None:
              return Trajectory(self.times,[m[9:] for m in self.milestones])
          else:
              return Trajectory(self.times,[se3.apply(self.to_se3(m),localPt) for m in self.milestones])
function_tokens: def getPositionTrajectory ( self , localPt = None ) : if localPt is None : return Trajectory ( self . times , [ m [ 9 : ] for m in self . milestones ] ) else : return Trajectory ( self . times , [ se3 . apply ( self . to_se3 ( m ) , localPt ) for m in self . milestones ] )