def __create_launcher(self, run_root):
		launcher = self.__task.data['backend']['launcher']
		return self.__launcher_mgr.create_launcher(launcher, run_root)
def setTail(self, pt):
        self.pt = pt
        self.Tail.Eq(pt)
        self.Head.setPoint(self.pt.x + self.x, self.pt.y + self.y)