Getting a proxy to ALLandMarkDetection


                # This test demonstrates how to use the ALLandMarkDetection module.
                
                # - We first instantiate a proxy to the ALLandMarkDetection module 
                #     Note that this module should be loaded on the robot's NAOqi.
                #     The module output its results in ALMemory in a variable
                #     called "LandmarkDetected"
                
                # - We then read this AlMemory value and check whether we get
                #   interesting things.
                
                import time
                from naoqi import ALProxy                
                
                # Replace here with your robot's IP address
                IP = "10.0.252.91" 
                PORT = 9559
                
                # Create a proxy to ALLandMarkDetection
                try:
                    landMarkProxy = ALProxy("ALLandMarkDetection", IP, PORT)
                except Exception, e:
                    print "Error when creating landmark detection proxy:"
                    print str(e)
                    exit(1)
                
                # Subscribe to the ALLandMarkDetection proxy
                # This means that the module will write in ALMemory with
                # the given period below
                period = 500
                landMarkProxy.subscribe("Test_LandMark", period, 0.0 )

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