romanimpreprocess.utils.flatutils

Utilities for handling flat fields.

(Recall that if we are applying an IPC operator, the flat needs to be IPC-deconvolved.)

Functions

get_flat

Flat field in DN units, with IPC deconvolution enabled.

Functions

get_flat(caldir, meta, pdq[, ipc_deconvolve])

Gets the flat field in DN, including IPC deconvolution if requested.

Module Contents

get_flat(caldir, meta, pdq, ipc_deconvolve=True)[source]

Gets the flat field in DN, including IPC deconvolution if requested.

Pixels may be flagged if there are problems (ignored if pdq is None).

Parameters:

  • caldir (dict) – Locations of calibration files.

  • meta (dict) – Metadata (must contain 'nborder').

  • pdq (np.array) – 2D array, flags (pixel data quality)

  • ipc_deconvolve (bool, optional) – Deconvolve the IPC?

Returns:

2D flat image in DN-based units.

Return type:

np.array