nectarchain.trr_verification_package.flatfield_source_characterization.compute_ff_coefs

compute_ff_coefs(charges, gains, output_dir=None, temp_output=None)

Compute flat-field coefficients using a model-independent approach based on the ratio of charge to gain.

Parameters:

chargesnumpy.ndarray

Pixel charge values.

gainsnumpy.ndarray

Pixel gain values (first column used as high-gain).

output_dirstr, optional

Directory to save the coefficient distribution histogram.

temp_outputstr, optional

Temporary directory for GUI plot pickling.

Returns:

effnumpy.ma.MaskedArray

Relative flat-field coefficients (normalised to unity mean).