features.py 文件源码

def update_conditions(self, conditions):
        """
        Parameters
        ----------
        conditions : dict
            Keys should include airmass, sky_brightness, seeing.
        """
        m5 = np.empty(conditions['skybrightness'][self.filtername].size)
        m5.fill(hp.UNSEEN)
        m5_mask = np.zeros(m5.size, dtype=bool)
        m5_mask[np.where(conditions['skybrightness'][self.filtername] == hp.UNSEEN)] = True
        good = np.where(conditions['skybrightness'][self.filtername] != hp.UNSEEN)
        m5[good] = m5_flat_sed(self.filtername, conditions['skybrightness'][self.filtername][good],
                               conditions['FWHMeff_%s' % self.filtername][good],
                               self.expTime, conditions['airmass'][good])
        self.feature = m5
        self.feature[m5_mask] = hp.UNSEEN
        self.feature = hp.ud_grade(self.feature, nside_out=self.nside)
        self.feature = ma.masked_values(self.feature, hp.UNSEEN)