FPAModel

class stdatamodels.jwst.datamodels.FPAModel(init=None, nrs1_model=None, nrs2_model=None, **kwargs)

Bases: ReferenceFileModel

A model for a NIRSPEC reference file of type “fpa”.

Initialize the model.

Parameters:

initstr, None, optional

File name for input file in ASDF format from which to initialize the model.

nrs1_modelModel, optional

The transform from the NIRSpec focal plane array (FPA) to the camera for the NRS1 detector

nrs2_modelModel, optional

The transform from the NIRSpec focal plane array (FPA) to the camera for the NRS2 detector

Attributes Summary

reftype
schema_url	The schema URI to validate the model against.

Methods Summary

on_save([path])	Run a hook before writing a model to a file (FITS or ASDF).
populate_meta()
to_fits()	Write a data model to a FITS file.
validate()	Check that required reference file keywords are set.

Attributes Documentation

reftype = 'fpa'

schema_url = 'http://stsci.edu/schemas/jwst_datamodel/fpa.schema'

The schema URI to validate the model against. If None, only basic validation of required metadata properties (filename, model_type) will occur.

Methods Documentation

on_save(path=None)

Run a hook before writing a model to a file (FITS or ASDF).

Parameters:

initstr

The path to the file that we’re about to save to.

populate_meta()

to_fits()

Write a data model to a FITS file.

Parameters:

initfile path or file object

The file to write to.

*args

Additional positional arguments passed to astropy.io.fits.writeto.

**kwargs

Additional keyword arguments passed to astropy.io.fits.writeto.

validate()

Check that required reference file keywords are set.