surveys.py 文件源码

def __init__(self, basis_functions, basis_weights, extra_features=None,
                 smoothing_kernel=None, reward=1e6, ignore_obs='dummy',
                 nside=default_nside, min_alt=30., max_alt=85.):
        """
        min_alt : float (30.)
            The minimum altitude to attempt to chace a pair to (degrees). Default of 30 = airmass of 2.
        max_alt : float(85.)
            The maximum altitude to attempt to chase a pair to (degrees).

        """
        self.min_alt = np.radians(min_alt)
        self.max_alt = np.radians(max_alt)
        self.nside = nside
        self.reward_val = reward
        self.reward = -reward
        if extra_features is None:
            extra_features = {'mjd': features.Current_mjd()}
            extra_features['altaz'] = features.AltAzFeature(nside=nside)
        super(Scripted_survey, self).__init__(basis_functions=basis_functions,
                                              basis_weights=basis_weights,
                                              extra_features=extra_features,
                                              smoothing_kernel=smoothing_kernel,
                                              ignore_obs=ignore_obs)