class Peak(object):
    """
        Class describing a peak.
    """

    def __init__(self, topPos, numHits, smoothArray, numPlus, numLeftPlus=0, shift=0):
        self._topPos = topPos
        self._numHits = numHits
        self.smoothArray = smoothArray
        self.numPlus = numPlus
        self.numLeftPlus = numLeftPlus
        self.shift = shift


    @property
    def topPos(self):
        return self._topPos


    @topPos.setter
    def topPos(self, topPos):
        self._topPos = topPos


    @property
    def numHits(self):
        return self._numHits


    @numHits.setter
    def numHits(self, numHits):
        self._numHits = numHits