Getting a proxy to ALFaceDetection


                # This test demonstrates how to use the ALFaceDetection module.
                # Note that you might not have this module depending on your distribution
                #
                # - We first instantiate a proxy to the ALFaceDetection module 
                #     Note that this module should be loaded on the robot's NAOqi.
                #     The module output its results in ALMemory in a variable
                #     called "FaceDetected"
                
                # - 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 ALFaceDetection
                try:
                    faceProxy = ALProxy("ALFaceDetection", IP, PORT)
                except Exception, e:
                    print "Error when creating face detection proxy:"
                    print str(e)
                    exit(1)
                
                # Subscribe to the ALFaceDetection proxy
                # This means that the module will write in ALMemory with
                # the given period below
                period = 500
                faceProxy.subscribe("Test_Face", period, 0.0 )

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