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DM-29271: PTC task: Refactoring/simplification of code ported from Pierre Astier's repository. #177

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Mar 31, 2021
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DM-29271: PTC task: Refactoring/simplification of code ported from Pierre Astier's repository. #177

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55 changes: 55 additions & 0 deletions python/lsst/ip/isr/ptcDataset.py
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Original file line number Diff line number Diff line change
Expand Up @@ -215,6 +215,61 @@ def __eq__(self, other):
return False
return True

def setAmpValues(self, ampName, inputExpIdPair=[(np.nan, np.nan)], expIdMask=[np.nan],
rawExpTime=[np.nan], rawMean=[np.nan], rawVar=[np.nan], photoCharge=[np.nan],
gain=np.nan, gainErr=np.nan, noise=np.nan, noiseErr=np.nan, ptcFitPars=[np.nan],
ptcFitParsError=[np.nan], ptcFitChiSq=np.nan, covArray=[], covArrayModel=[],
covSqrtWeights=[], aMatrix=[], bMatrix=[], covArrayModelNoB=[], aMatrixNoB=[],
finalVar=[np.nan], finalModelVar=[np.nan], finalMean=[np.nan]):
"""Function to initialize an amp of a PhotonTransferCurveDataset.

Notes
-----
The parameters are all documented in `init`.
"""
nanMatrix = np.full((self.covMatrixSide, self.covMatrixSide), np.nan)
if len(covArray) == 0:
covArray = [nanMatrix]
if len(covArrayModel) == 0:
covArrayModel = [nanMatrix]
if len(covSqrtWeights) == 0:
covSqrtWeights = [nanMatrix]
if len(covArrayModelNoB) == 0:
covArrayModelNoB = [nanMatrix]
if len(aMatrix) == 0:
aMatrix = nanMatrix
if len(bMatrix) == 0:
bMatrix = nanMatrix
if len(aMatrixNoB) == 0:
aMatrixNoB = nanMatrix

self.inputExpIdPairs[ampName] = inputExpIdPair
self.expIdMask[ampName] = expIdMask
self.rawExpTimes[ampName] = rawExpTime
self.rawMeans[ampName] = rawMean
self.rawVars[ampName] = rawVar
self.photoCharge[ampName] = photoCharge
self.gain[ampName] = gain
self.gainErr[ampName] = gainErr
self.noise[ampName] = noise
self.noiseErr[ampName] = noiseErr
self.ptcFitPars[ampName] = ptcFitPars
self.ptcFitParsError[ampName] = ptcFitParsError
self.ptcFitChiSq[ampName]
self.covariances[ampName] = covArray
self.covariancesSqrtWeights[ampName] = covSqrtWeights
self.covariancesModel[ampName] = covArrayModel
self.covariancesModelNoB[ampName] = covArrayModelNoB
self.aMatrix[ampName] = aMatrix
self.bMatrix[ampName] = bMatrix
self.aMatrixNoB[ampName] = aMatrixNoB
self.ptcFitPars[ampName] = ptcFitPars
self.ptcFitParsError[ampName] = ptcFitParsError
self.ptcFitChiSq[ampName] = ptcFitChiSq
self.finalVars[ampName] = finalVar
self.finalModelVars[ampName] = finalModelVar
self.finalMeans[ampName] = finalMean

def updateMetadata(self, setDate=False, **kwargs):
"""Update calibration metadata.
This calls the base class's method after ensuring the required
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