rail.interactive.creation.degraders.unrec_bl_model module

rail.interactive.creation.degraders.unrec_bl_model.unrec_bl_model(**kwargs)

Model for Creating Unrecognized Blends.

Finding objects nearby each other. Merge them into one blended Use Friends of Friends for matching. May implement shape matching in the future. Take avergaged Ra and Dec for blended source, and sum up fluxes in each band. May implement merged shapes in the future.

Requires gcc, which depending on your installation, may be difficult for the caller (FoFCatalogMatching dependency fast3tree) to find. Conda-installed gcc seems to fix this.

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The main interface method for Degrader.

Applies degradation.

This will attach the sample to this Degrader (for introspection and provenance tracking).

Then it will call the run() and finalize() methods, which need to be implemented by the sub-classes.

The run() method will need to register the data that it creates to this Estimator by using self.add_data('output', output_data).

Finally, this will return a PqHandle providing access to that output data.

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This function was generated from the function rail.creation.degraders.unrec_bl_model.UnrecBlModel.__call__

Parameters:

  • sample (table-like, required) – The sample to be degraded

  • seed (int, optional) – Random number seed Default: 12345 An integer to set the numpy random seed

  • ra_label (str, optional) – ra column name Default: ra

  • dec_label (str, optional) – dec column name Default: dec

  • linking_lengths (float, optional) – linking_lengths for FoF matching Default: 1.0

  • bands (list, optional) – Names of columns for magnitude by filter band Default: [‘mag_u_lsst’, ‘mag_g_lsst’, ‘mag_r_lsst’, ‘mag_i_lsst’,…]

  • zp_dict (dict, optional) – magnitude zeropoints dictionary Default: {‘u’: 12.65, ‘g’: 14.69, ‘r’: 14.56, ‘i’: 14.38, ‘z’: 13.99, ‘y’:…}

  • ref_band (str, optional) – band to use in addition to colors Default: mag_i_lsst

  • redshift_col (str, optional) – name of redshift column Default: redshift

  • match_size (bool, optional) – consider object size for finding blends Default: False

  • match_shape (bool, optional) – consider object shape for finding blends Default: False

  • obj_size (str, optional) – object size column name Default: obj_size

  • a (str, optional) – semi major axis column name Default: semi_major

  • b (str, optional) – semi minor axis column name Default: semi_minor

  • theta (str, optional) – orientation angle column name Default: orientation

Returns:

A handle giving access to a table with degraded sample

Return type:

dict[str, PqHandle]