plotter.py 文件源码

def run(self):
        """
        Entry point for the live plotting when started as a separate process. This starts the loop
        """
        self.entity_name = current_process().name
        plogger.info("Starting new thread %s", self.entity_name)

        self.context = zmq.Context()
        self.socket = self.context.socket(zmq.SUB)

        self.socket.connect("tcp://localhost:%d" % self.port)
        topic = pickle.dumps(self.var_name, protocol=pickle.HIGHEST_PROTOCOL)

        self.socket.setsockopt(zmq.SUBSCRIBE, topic)
        plogger.info("Subscribed to topic %s on port %d", self.var_name, self.port)

        self.init(**self.init_kwargs)
        # Reference to animation required so that GC doesn't clean it up.
        # WILL NOT work if you remove it!!!!!
        # See: http://matplotlib.org/api/animation_api.html
        ani = animation.FuncAnimation(self.fig, self.loop, interval=100)
        self.plt.show()