DM-37497: Updates to LATISS's DRP.yaml pipeline through coadd processing

config/latiss/characterizeImage.py

@@ -17,6 +17,9 @@
                         "base_PixelFlags_flag_bad",
                         "base_PixelFlags_flag_interpolated"]
 
+# We are starved for PSF stars, so don't reserve any at this stage.
+config.measurePsf.reserve.fraction = 0.0
+
 # Use these to run the pca psf estimator 
 #config.measurePsf.psfDeterminer = 'pca'
 #config.measurePsf.psfDeterminer['pca'].spatialOrder = 0

config/latiss/finalize_characterization.py

@@ -0,0 +1,2 @@
+# Reduce piff spatialOrder to 1, this helps ensure success with low numbers of psf candidates.
+config.psf_determiner['piff'].spatialOrder = 1

config/latiss/makeWarp.py

@@ -0,0 +1,32 @@
+# This file is part of obs_lsst.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the LSST License Statement and
+# the GNU General Public License along with this program.  If not,
+# see <http://www.lsstcorp.org/LegalNotices/>.
+
+"""LATISS-specific overrides for MakeWarpTask"""
+
+# These thresholds must be relaxed for AuxTel/LATISS compared to the task
+# defaults (which were conditioned on HSC data).  These have been chosen
+# based on the data observed in the 2022-11B (PREOPS-1986) and 2022-12A
+# (PREOPS-3135) runs (see figures on DM-37497) and are probably going to
+# evolve as the commissioning of AuxTel procedes.
+config.select.maxEllipResidual = 0.1
+config.select.maxScaledSizeScatter = 0.015
+config.select.maxPsfTraceRadiusDelta = 4.8

config/latiss/measureCoaddSources.py

@@ -0,0 +1,35 @@
+# This file is part of obs_lsst.
+#
+# Developed for the LSST Data Management System.
+# This product includes software developed by the LSST Project
+# (http://www.lsst.org).
+# See the COPYRIGHT file at the top-level directory of this distribution
+# for details of code ownership.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the LSST License Statement and
+# the GNU General Public License along with this program.  If not,
+# see <http://www.lsstcorp.org/LegalNotices/>.
+
+"""LATISS-specific overrides for MeasureMergedCoaddSourcesTask"""
+
+import os.path
+
+config.measurement.load(os.path.join(os.path.dirname(__file__), "..", "apertures.py"))
+config.measurement.load(os.path.join(os.path.dirname(__file__), "..", "kron.py"))
+config.measurement.load(os.path.join(os.path.dirname(__file__), "..", "convolvedFluxes.py"))
+config.measurement.load(os.path.join(os.path.dirname(__file__), "..", "hsm.py"))
+config.load(os.path.join(os.path.dirname(__file__), "..", "cmodel.py"))
+
+config.connections.refCat = "atlas_refcat2_20220201"
+
+config.doWriteMatchesDenormalized = True