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Merge pull request #509 from lsst/tickets/DM-43033
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DM-43033: Add fgcmcal configurations for ComCamSim ops rehearsal data
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erykoff authored Mar 6, 2024
2 parents 6b40a53 + 67b4b7f commit 013f56b
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33 changes: 33 additions & 0 deletions config/comCamSim/fgcmBuildFromIsolatedStars.py
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import os

physical_to_band = {
"g_01": "g",
"r_03": "r",
"i_06": "i",
}

config.requiredBands = []
config.primaryBands = ["i", "r", "g"]

config.coarseNside = 64

config.minPerBand = 2
config.connections.ref_cat = "uw_stars_20240130"

configDir = os.path.join(os.path.dirname(__file__))
config.physicalFilterMap = physical_to_band
config.doSubtractLocalBackground = True
config.sourceSelector["science"].flags.bad.append("localBackground_flag")
config.fgcmLoadReferenceCatalog.filterMap = {
"g": "lsst_g",
"r": "lsst_r",
"i": "lsst_i",
"g_01": "lsst_g",
"r_03": "lsst_r",
"i_06": "lsst_i",
}
config.fgcmLoadReferenceCatalog.applyColorTerms = False
config.fgcmLoadReferenceCatalog.referenceSelector.doSignalToNoise = True
config.fgcmLoadReferenceCatalog.referenceSelector.signalToNoise.fluxField = "lsst_i_flux"
config.fgcmLoadReferenceCatalog.referenceSelector.signalToNoise.errField = "lsst_i_fluxErr"
config.fgcmLoadReferenceCatalog.referenceSelector.signalToNoise.minimum = 50.0
107 changes: 107 additions & 0 deletions config/comCamSim/fgcmFitCycle.py
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import lsst.fgcmcal as fgcmcal

physical_to_band = {
"g_01": "g",
"r_03": "r",
"i_06": "i",
}

config.outfileBase = "fgcmComCamSimCalibrations"
# The comcamsim survey uses g, r, i bands.
config.bands = ["g", "r", "i"]
config.fitBands = ["g", "r", "i"]
config.physicalFilterMap = physical_to_band
config.requiredBands = ["g", "r", "i"]

config.cycleNumber = 0
config.maxIterBeforeFinalCycle = 50
config.minCcdPerExp = 1
config.utBoundary = 0.0
config.washMjds = (0.0, )
# For now, define 1 observing epoch that encompasses everything.
config.epochMjds = (0.0, 100000.0)
config.coatingMjds = []
config.latitude = -30.2333
config.mirrorArea = 34.524
config.defaultCameraOrientation = 0.0
config.expGrayPhotometricCutDict = {"g": -0.05, "r": -0.05, "i": -0.05}
config.expGrayHighCutDict = {"g": 0.2, "r": 0.2, "i": 0.2}
config.expVarGrayPhotometricCutDict = {"g": 0.1**2.,
"r": 0.1**2.,
"i": 0.1**2.}
config.autoPhotometricCutNSig = 3.0
config.autoHighCutNSig = 3.0
# Fit aperture corrections with only 2 bins to exercise the code.
config.aperCorrFitNBins = 10
config.aperCorrInputSlopeDict = {"g": 0.0,
"r": 0.0,
"i": 0.0}

config.sedboundaryterms = fgcmcal.SedboundarytermDict()
config.sedboundaryterms.data["gr"] = fgcmcal.Sedboundaryterm(primary="g",
secondary="r")
config.sedboundaryterms.data["ri"] = fgcmcal.Sedboundaryterm(primary="r",
secondary="i")

config.sedterms = fgcmcal.SedtermDict()
config.sedterms.data = {
"g": fgcmcal.Sedterm(primaryTerm="gr", secondaryTerm="ri", constant=1.5),
"r": fgcmcal.Sedterm(primaryTerm="gr", secondaryTerm="ri", constant=0.9),
"i": fgcmcal.Sedterm(primaryTerm="ri", secondaryTerm="gr", constant=0.5,
extrapolated=True, primaryBand="i", secondaryBand="r", tertiaryBand="g"),
}

# Define good stars with an r-i color cut.
config.starColorCuts = ("g, i, 0.50, 3.5",)
config.refStarColorCuts = ("g, i, 0.5, 1.5",)
# Use a tiny fraction of reference stars to test true self-calibration.
config.refStarMaxFracUse = 0.001
config.useExposureReferenceOffset = False
config.precomputeSuperStarInitialCycle = False
config.superStarSubCcdDict = {"g": True,
"r": True,
"i": True}
# Allow calibration to work with at least 10 exposures per night.
config.minExpPerNight = 10
# Allow calibration to work with very few stars per exposure.
config.minStarPerExp = 100
config.nStarPerRun = 5000
config.nExpPerRun = 100
config.colorSplitBands = ["g", "i"]
config.freezeStdAtmosphere = True
# For tests, do low-order per-ccd polynomial.
config.superStarSubCcdChebyshevOrder = 2
config.ccdGraySubCcdDict = {"g": True,
"r": True,
"i": True}
config.ccdGrayFocalPlaneDict = {"g": True,
"r": True,
"i": True}
config.ccdGrayFocalPlaneFitMinCcd = 3
config.ccdGrayFocalPlaneChebyshevOrder = 2
config.modelMagErrors = True
# Fix the sigma_cal calibration noise to 0.003 mag.
config.sigmaCalRange = (0.003, 0.003)
# Do not fit instrumental parameters (mirror decay) per band.
config.instrumentParsPerBand = False
# Set the random seed for repeatability in fits.
config.randomSeed = 12345
# Do not use star repeatability metrics for selecting exposures.
# (Instead, use exposure repeatability metrics).
config.useRepeatabilityForExpGrayCutsDict = {"g": False,
"r": False,
"i": False}
config.sigFgcmMaxEGrayDict = {"g": 0.05,
"r": 0.05,
"i": 0.05}
config.approxThroughputDict = {"g": 1.0,
"r": 1.0,
"i": 1.0}

config.deltaAperFitPerCcdNx = 16
config.deltaAperFitPerCcdNy = 16
config.doComputeDeltaAperPerVisit = False
config.doComputeDeltaAperMap = True
config.doComputeDeltaAperPerCcd = True
config.deltaAperInnerRadiusArcsec = 2.40
config.deltaAperOuterRadiusArcsec = 3.40
9 changes: 9 additions & 0 deletions config/comCamSim/fgcmMakeLut.py
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# List of filters to put into the look-up table (LUT)
config.physicalFilters = [
"g_01",
"r_03",
"i_06",
]

# FGCM name or filename of precomputed atmospheres
config.atmosphereTableName = 'fgcm_atm_lsst2'
9 changes: 9 additions & 0 deletions config/comCamSim/fgcmOutputProducts.py
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config.connections.cycleNumber = 6

physical_to_band = {
"g_01": "g",
"r_03": "r",
"i_06": "i",
}

config.physicalFilterMap = physical_to_band
1 change: 0 additions & 1 deletion config/latiss/fgcmFitCycle.py
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config.physicalFilterMap = LATISS_FILTER_DEFINITIONS.physical_to_band
config.requiredBands = ["g", "r", "i"]

config.nCore = 4
config.cycleNumber = 0
config.maxIterBeforeFinalCycle = 100
config.minCcdPerExp = 1
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