basis_functions.py 文件源码

def __init__(self, survey_features=None, condition_features=None, time_lag=10.,
                 filtername='r', twi_change=-18.):
        """
        Paramters
        ---------
        time_lag : float (10.)
            If there is a gap between observations longer than this, let the filter change (minutes)
        twi_change : float (-18.)
            The sun altitude to consider twilight starting/ending
        """
        self.time_lag = time_lag/60./24.  # Convert to days
        self.twi_change = np.radians(twi_change)
        self.filtername = filtername
        if condition_features is None:
            self.condition_features = {}
            self.condition_features['Current_filter'] = features.Current_filter()
            self.condition_features['Sun_moon_alts'] = features.Sun_moon_alts()
            self.condition_features['Current_mjd'] = features.Current_mjd()
        if survey_features is None:
            self.survey_features = {}
            self.survey_features['Last_observation'] = features.Last_observation()

        super(Strict_filter_basis_function, self).__init__(survey_features=self.survey_features,
                                                           condition_features=self.condition_features)