LSST Applications  21.0.0-172-gfb10e10a+18fedfabac,22.0.0+297cba6710,22.0.0+80564b0ff1,22.0.0+8d77f4f51a,22.0.0+a28f4c53b1,22.0.0+dcf3732eb2,22.0.1-1-g7d6de66+2a20fdde0d,22.0.1-1-g8e32f31+297cba6710,22.0.1-1-geca5380+7fa3b7d9b6,22.0.1-12-g44dc1dc+2a20fdde0d,22.0.1-15-g6a90155+515f58c32b,22.0.1-16-g9282f48+790f5f2caa,22.0.1-2-g92698f7+dcf3732eb2,22.0.1-2-ga9b0f51+7fa3b7d9b6,22.0.1-2-gd1925c9+bf4f0e694f,22.0.1-24-g1ad7a390+a9625a72a8,22.0.1-25-g5bf6245+3ad8ecd50b,22.0.1-25-gb120d7b+8b5510f75f,22.0.1-27-g97737f7+2a20fdde0d,22.0.1-32-gf62ce7b1+aa4237961e,22.0.1-4-g0b3f228+2a20fdde0d,22.0.1-4-g243d05b+871c1b8305,22.0.1-4-g3a563be+32dcf1063f,22.0.1-4-g44f2e3d+9e4ab0f4fa,22.0.1-42-gca6935d93+ba5e5ca3eb,22.0.1-5-g15c806e+85460ae5f3,22.0.1-5-g58711c4+611d128589,22.0.1-5-g75bb458+99c117b92f,22.0.1-6-g1c63a23+7fa3b7d9b6,22.0.1-6-g50866e6+84ff5a128b,22.0.1-6-g8d3140d+720564cf76,22.0.1-6-gd805d02+cc5644f571,22.0.1-8-ge5750ce+85460ae5f3,master-g6e05de7fdc+babf819c66,master-g99da0e417a+8d77f4f51a,w.2021.48
LSST Data Management Base Package
Public Member Functions | Public Attributes | Static Public Attributes | List of all members
lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL Class Reference
Inheritance diagram for lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL:
lsst.ip.diffim.psfMatch.PsfMatchConfigAL lsst.ip.diffim.psfMatch.PsfMatchConfig

Public Member Functions

def setDefaults (self)
 

Public Attributes

 alardNGauss
 
 alardDegGauss
 
 alardSigGauss
 
 kernelBasisSet
 
 maxConditionNumber
 

Static Public Attributes

 alardGaussBeta
 
 alardMinSig
 
 alardDegGaussDeconv
 
 alardMinSigDeconv
 
 alardNGaussDeconv
 
 warpingConfig
 
 detectionConfig
 
 afwBackgroundConfig
 
 useAfwBackground
 
 fitForBackground
 
 kernelSize
 
 scaleByFwhm
 
 kernelSizeFwhmScaling
 
 kernelSizeMin
 
 kernelSizeMax
 
 spatialModelType
 
 spatialKernelOrder
 
 spatialBgOrder
 
 sizeCellX
 
 sizeCellY
 
 nStarPerCell
 
 maxSpatialIterations
 
 usePcaForSpatialKernel
 
 subtractMeanForPca
 
 numPrincipalComponents
 
 singleKernelClipping
 
 kernelSumClipping
 
 spatialKernelClipping
 
 checkConditionNumber
 
 badMaskPlanes
 
 candidateResidualMeanMax
 
 candidateResidualStdMax
 
 useCoreStats
 
 candidateCoreRadius
 
 maxKsumSigma
 
 conditionNumberType
 
 maxSpatialConditionNumber
 
 iterateSingleKernel
 
 constantVarianceWeighting
 
 calculateKernelUncertainty
 
 useBicForKernelBasis
 

Detailed Description

Sum-of-Gaussian (Alard-Lupton) Psf-matching config optimized for snap subtraction

Definition at line 44 of file snapPsfMatch.py.

Member Function Documentation

◆ setDefaults()

def lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL.setDefaults (   self)

Reimplemented from lsst.ip.diffim.psfMatch.PsfMatchConfigAL.

Definition at line 47 of file snapPsfMatch.py.

47  def setDefaults(self):
48  PsfMatchConfigAL.setDefaults(self)
49 
50  # Simple basis set
51  self.alardNGauss = 2
52  self.alardDegGauss = (4, 2)
53  self.alardSigGauss = (1.0, 2.5)
54 
55 

Member Data Documentation

◆ afwBackgroundConfig

lsst.ip.diffim.psfMatch.PsfMatchConfig.afwBackgroundConfig
staticinherited
Initial value:
= pexConfig.ConfigField("Controlling the Afw background fitting",
SubtractBackgroundConfig)

Definition at line 132 of file psfMatch.py.

◆ alardDegGauss

lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL.alardDegGauss

Definition at line 52 of file snapPsfMatch.py.

◆ alardDegGaussDeconv

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.alardDegGaussDeconv
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Used if `scaleByFwhm==True`, degree of spatial modification of ALL base Gaussians "
"in AL basis during deconvolution",
default=3,
check=lambda x: x >= 1
)

Definition at line 409 of file psfMatch.py.

◆ alardGaussBeta

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.alardGaussBeta
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc="Used if `scaleByFwhm==True`, scaling multiplier of base "
"Gaussian sigmas for automated sigma determination",
default=2.0,
check=lambda x: x >= 0.0,
)

Definition at line 396 of file psfMatch.py.

◆ alardMinSig

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.alardMinSig
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc="Used if `scaleByFwhm==True`, minimum sigma (pixels) for base Gaussians",
default=0.7,
check=lambda x: x >= 0.25
)

Definition at line 403 of file psfMatch.py.

◆ alardMinSigDeconv

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.alardMinSigDeconv
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc="Used if `scaleByFwhm==True`, minimum sigma (pixels) for base Gaussians during deconvolution; "
"make smaller than `alardMinSig` as this is only indirectly used",
default=0.4,
check=lambda x: x >= 0.25
)

Definition at line 416 of file psfMatch.py.

◆ alardNGauss

lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL.alardNGauss

Definition at line 51 of file snapPsfMatch.py.

◆ alardNGaussDeconv

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.alardNGaussDeconv
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Used if `scaleByFwhm==True`, number of base Gaussians in AL basis during deconvolution",
default=3,
check=lambda x: x >= 1
)

Definition at line 423 of file psfMatch.py.

◆ alardSigGauss

lsst.ip.diffim.snapPsfMatch.SnapPsfMatchConfigAL.alardSigGauss

Definition at line 53 of file snapPsfMatch.py.

◆ badMaskPlanes

lsst.ip.diffim.psfMatch.PsfMatchConfig.badMaskPlanes
staticinherited
Initial value:
= pexConfig.ListField(
dtype=str,
doc=,
default=("NO_DATA", "EDGE", "SAT")
)

Definition at line 279 of file psfMatch.py.

◆ calculateKernelUncertainty

lsst.ip.diffim.psfMatch.PsfMatchConfig.calculateKernelUncertainty
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 356 of file psfMatch.py.

◆ candidateCoreRadius

lsst.ip.diffim.psfMatch.PsfMatchConfig.candidateCoreRadius
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc=,
default=3,
check=lambda x: x >= 1
)

Definition at line 307 of file psfMatch.py.

◆ candidateResidualMeanMax

lsst.ip.diffim.psfMatch.PsfMatchConfig.candidateResidualMeanMax
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=0.25,
check=lambda x: x >= 0.0
)

Definition at line 285 of file psfMatch.py.

◆ candidateResidualStdMax

lsst.ip.diffim.psfMatch.PsfMatchConfig.candidateResidualStdMax
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=1.50,
check=lambda x: x >= 0.0
)

Definition at line 293 of file psfMatch.py.

◆ checkConditionNumber

lsst.ip.diffim.psfMatch.PsfMatchConfig.checkConditionNumber
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 270 of file psfMatch.py.

◆ conditionNumberType

lsst.ip.diffim.psfMatch.PsfMatchConfig.conditionNumberType
staticinherited
Initial value:
= pexConfig.ChoiceField(
dtype=str,
doc="Use singular values (SVD) or eigen values (EIGENVALUE) to determine condition number",
default="EIGENVALUE",
allowed={
"SVD": "Use singular values",
"EIGENVALUE": "Use eigen values (faster)",
}
)

Definition at line 329 of file psfMatch.py.

◆ constantVarianceWeighting

lsst.ip.diffim.psfMatch.PsfMatchConfig.constantVarianceWeighting
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=True,
)

Definition at line 350 of file psfMatch.py.

◆ detectionConfig

lsst.ip.diffim.psfMatch.PsfMatchConfig.detectionConfig
staticinherited
Initial value:
= pexConfig.ConfigField("Controlling the detection of sources for kernel building",
DetectionConfig)

Definition at line 130 of file psfMatch.py.

◆ fitForBackground

lsst.ip.diffim.psfMatch.PsfMatchConfig.fitForBackground
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Include terms (including kernel cross terms) for background in ip_diffim",
default=False,
)

Definition at line 140 of file psfMatch.py.

◆ iterateSingleKernel

lsst.ip.diffim.psfMatch.PsfMatchConfig.iterateSingleKernel
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 344 of file psfMatch.py.

◆ kernelBasisSet

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.kernelBasisSet
inherited

Definition at line 375 of file psfMatch.py.

◆ kernelSize

lsst.ip.diffim.psfMatch.PsfMatchConfig.kernelSize
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc=,
default=21,
)

Definition at line 160 of file psfMatch.py.

◆ kernelSizeFwhmScaling

lsst.ip.diffim.psfMatch.PsfMatchConfig.kernelSizeFwhmScaling
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc="Multiplier of the largest AL Gaussian basis sigma to get the kernel bbox (pixel) size.",
default=6.0,
check=lambda x: x >= 1.0
)

Definition at line 171 of file psfMatch.py.

◆ kernelSizeMax

lsst.ip.diffim.psfMatch.PsfMatchConfig.kernelSizeMax
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Maximum kernel bbox (pixel) size.",
default=35,
)

Definition at line 182 of file psfMatch.py.

◆ kernelSizeMin

lsst.ip.diffim.psfMatch.PsfMatchConfig.kernelSizeMin
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Minimum kernel bbox (pixel) size.",
default=21,
)

Definition at line 177 of file psfMatch.py.

◆ kernelSumClipping

lsst.ip.diffim.psfMatch.PsfMatchConfig.kernelSumClipping
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Do sigma clipping on the ensemble of kernel sums",
default=True,
)

Definition at line 260 of file psfMatch.py.

◆ maxConditionNumber

lsst.ip.diffim.psfMatch.PsfMatchConfigAL.maxConditionNumber
inherited

Definition at line 376 of file psfMatch.py.

◆ maxKsumSigma

lsst.ip.diffim.psfMatch.PsfMatchConfig.maxKsumSigma
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=3.0,
check=lambda x: x >= 0.0
)

Definition at line 316 of file psfMatch.py.

◆ maxSpatialConditionNumber

lsst.ip.diffim.psfMatch.PsfMatchConfig.maxSpatialConditionNumber
staticinherited
Initial value:
= pexConfig.Field(
dtype=float,
doc="Maximum condition number for a well conditioned spatial matrix",
default=1.0e10,
check=lambda x: x >= 0.0
)

Definition at line 338 of file psfMatch.py.

◆ maxSpatialIterations

lsst.ip.diffim.psfMatch.PsfMatchConfig.maxSpatialIterations
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Maximum number of iterations for rejecting bad KernelCandidates in spatial fitting",
default=3,
check=lambda x: x >= 1 and x <= 5
)

Definition at line 226 of file psfMatch.py.

◆ nStarPerCell

lsst.ip.diffim.psfMatch.PsfMatchConfig.nStarPerCell
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Number of KernelCandidates in each SpatialCell to use in the spatial fitting",
default=3,
check=lambda x: x >= 1
)

Definition at line 220 of file psfMatch.py.

◆ numPrincipalComponents

lsst.ip.diffim.psfMatch.PsfMatchConfig.numPrincipalComponents
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc=,
default=5,
check=lambda x: x >= 3
)

Definition at line 248 of file psfMatch.py.

◆ scaleByFwhm

lsst.ip.diffim.psfMatch.PsfMatchConfig.scaleByFwhm
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Scale kernelSize, alardGaussians by input Fwhm",
default=True,
)

Definition at line 166 of file psfMatch.py.

◆ singleKernelClipping

lsst.ip.diffim.psfMatch.PsfMatchConfig.singleKernelClipping
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Do sigma clipping on each raw kernel candidate",
default=True,
)

Definition at line 255 of file psfMatch.py.

◆ sizeCellX

lsst.ip.diffim.psfMatch.PsfMatchConfig.sizeCellX
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Size (rows) in pixels of each SpatialCell for spatial modeling",
default=128,
check=lambda x: x >= 32
)

Definition at line 208 of file psfMatch.py.

◆ sizeCellY

lsst.ip.diffim.psfMatch.PsfMatchConfig.sizeCellY
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Size (columns) in pixels of each SpatialCell for spatial modeling",
default=128,
check=lambda x: x >= 32
)

Definition at line 214 of file psfMatch.py.

◆ spatialBgOrder

lsst.ip.diffim.psfMatch.PsfMatchConfig.spatialBgOrder
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Spatial order of differential background variation",
default=1,
check=lambda x: x >= 0
)

Definition at line 202 of file psfMatch.py.

◆ spatialKernelClipping

lsst.ip.diffim.psfMatch.PsfMatchConfig.spatialKernelClipping
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Do sigma clipping after building the spatial model",
default=True,
)

Definition at line 265 of file psfMatch.py.

◆ spatialKernelOrder

lsst.ip.diffim.psfMatch.PsfMatchConfig.spatialKernelOrder
staticinherited
Initial value:
= pexConfig.Field(
dtype=int,
doc="Spatial order of convolution kernel variation",
default=2,
check=lambda x: x >= 0
)

Definition at line 196 of file psfMatch.py.

◆ spatialModelType

lsst.ip.diffim.psfMatch.PsfMatchConfig.spatialModelType
staticinherited
Initial value:
= pexConfig.ChoiceField(
dtype=str,
doc="Type of spatial functions for kernel and background",
default="chebyshev1",
allowed={
"chebyshev1": "Chebyshev polynomial of the first kind",
"polynomial": "Standard x,y polynomial",
}
)

Definition at line 187 of file psfMatch.py.

◆ subtractMeanForPca

lsst.ip.diffim.psfMatch.PsfMatchConfig.subtractMeanForPca
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Subtract off the mean feature before doing the Pca",
default=True,
)

Definition at line 243 of file psfMatch.py.

◆ useAfwBackground

lsst.ip.diffim.psfMatch.PsfMatchConfig.useAfwBackground
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Use afw background subtraction instead of ip_diffim",
default=False,
)

Definition at line 135 of file psfMatch.py.

◆ useBicForKernelBasis

lsst.ip.diffim.psfMatch.PsfMatchConfig.useBicForKernelBasis
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 363 of file psfMatch.py.

◆ useCoreStats

lsst.ip.diffim.psfMatch.PsfMatchConfig.useCoreStats
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 301 of file psfMatch.py.

◆ usePcaForSpatialKernel

lsst.ip.diffim.psfMatch.PsfMatchConfig.usePcaForSpatialKernel
staticinherited
Initial value:
= pexConfig.Field(
dtype=bool,
doc=,
default=False,
)

Definition at line 232 of file psfMatch.py.

◆ warpingConfig

lsst.ip.diffim.psfMatch.PsfMatchConfig.warpingConfig
staticinherited
Initial value:
= pexConfig.ConfigField("Config for warping exposures to a common alignment",

Definition at line 128 of file psfMatch.py.


The documentation for this class was generated from the following file: