Return zstack as a :class:`numpy.ndarray`.
        
        :param s: series
        :param c: channel
        :param t: timepoint
        :returns: zstack as a :class:`numpy.ndarray`

def zstack_array(self, s=0, c=0, t=0):
        """Return zstack as a :class:`numpy.ndarray`.
        
        :param s: series
        :param c: channel
        :param t: timepoint
        :returns: zstack as a :class:`numpy.ndarray`
        """
        return np.dstack([x.image for x in self.zstack_proxy_iterator(s=s, c=c, t=t)])