Ejemplo n.º 1
0
    def initialize(self, useRandomEncoder):
        """
    Initialize the various data structures.
    """
        self.setRandomSeed(self.seed)

        self.dim = numpy.shape(self.spatialConfig)[-1]

        self.spatialMap = dict(
            zip(map(tuple, list(self.spatialConfig)),
                self.sensoryInputElements))

        self.lengthMotorInput1D = (2*self.maxDisplacement + 1) * \
                                                        self.numActiveBitsMotorInput

        uniqueSensoryElements = list(set(self.sensoryInputElementsPool))

        if useRandomEncoder:
            self.sensoryEncoder = SDRCategoryEncoder(
                n=1024,
                w=self.numActiveBitsSensoryInput,
                categoryList=uniqueSensoryElements,
                forced=True)
            self.lengthSensoryInput = self.sensoryEncoder.getWidth()

        else:
            self.lengthSensoryInput = (len(self.sensoryInputElementsPool)+1) * \
                                                self.numActiveBitsSensoryInput

            self.sensoryEncoder = CategoryEncoder(
                w=self.numActiveBitsSensoryInput,
                categoryList=uniqueSensoryElements,
                forced=True)

        motorEncoder1D = ScalarEncoder(n=self.lengthMotorInput1D,
                                       w=self.numActiveBitsMotorInput,
                                       minval=-self.maxDisplacement,
                                       maxval=self.maxDisplacement,
                                       clipInput=True,
                                       forced=True)

        self.motorEncoder = VectorEncoder(length=self.dim,
                                          encoder=motorEncoder1D)