Construct a set of subfilters for chromatic modeling and add them to a
registry.
Parameters
----------
repo : `str`
URI to the location to read the repo.
num_subfilters : `int`
The number of subfilters to add.
band_names : `list` [`str`]
The filter band names to add.
Returns
-------
insertResults : ``InsertResults``
A class that contains the results of the subfilters that were inserted
or already exist in each filter band, that has a __str__ method so it
can be easily printed to the CLI output.
Definition at line 97 of file registerDcrSubfilters.py.