Source code for jwst.wfs_combine.wfs_combine_step

#! /usr/bin/env python
import os.path as op

from ..stpipe import Step
from . import wfs_combine

__all__ = ["WfsCombineStep"]

[docs]class WfsCombineStep(Step): """ This step combines pairs of dithered PSF images """ spec = """ do_refine = boolean(default=False) """
[docs] def process(self, input_table): # Load the input ASN table asn_table = self.load_as_level3_asn(input_table) num_sets = len(asn_table['products'])'Using input table: %s', input_table)'The number of pairs of input files: %g', num_sets) # Process each pair of input images listed in the association table for which_set in asn_table['products']: # Get the list of science members in this pair science_members = [ member for member in which_set['members'] if member['exptype'].lower() == 'science' ] infile_1 = science_members[0]['expname'] infile_2 = science_members[1]['expname'] outfile = which_set['name'] # Create the step instance wfs = wfs_combine.DataSet( infile_1, infile_2, outfile, self.do_refine ) # Do the processing output_model = wfs.do_all() # Update necessary meta info in the output output_model.meta.cal_step.wfs_combine = 'COMPLETE' output_model.meta.asn.pool_name = asn_table['asn_pool'] output_model.meta.asn.table_name = op.basename(input_table) # Save the output file self.save_model( output_model, suffix='wfscmb', output_file=outfile, format=False ) return None