lsst.meas.extensions.piff gc86a011abf+c192a89f24
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Public Member Functions | Public Attributes | Static Public Attributes | List of all members
lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig Class Reference
Inheritance diagram for lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig:

Public Member Functions

 setDefaults (self)
 

Public Attributes

 stampSize
 

Static Public Attributes

 spatialOrder
 
 samplingSize
 
 outlierNSigma
 
 outlierMaxRemove
 
 maxSNR
 
 zeroWeightMaskBits
 
 minimumUnmaskedFraction
 
 interpolant
 
 debugStarData
 
 useCoordinates
 

Member Data Documentation

◆ debugStarData

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.debugStarData
static
Initial value:
= pexConfig.Field[bool](
doc="Include star images used for fitting in PSF model object.",
default=False
)

◆ interpolant

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.interpolant
static
Initial value:
= pexConfig.Field[str](
doc="GalSim interpolant name for Piff to use. "
"Options include 'Lanczos(N)', where N is an integer, along with "
"galsim.Cubic, galsim.Delta, galsim.Linear, galsim.Nearest, "
"galsim.Quintic, and galsim.SincInterpolant.",
check=_validateGalsimInterpolant,
default="Lanczos(11)",
)

◆ maxSNR

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.maxSNR
static
Initial value:
= pexConfig.Field[float](
doc="Rescale the weight of bright stars such that their SNR is less "
"than this value.",
default=200.0
)

◆ minimumUnmaskedFraction

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.minimumUnmaskedFraction
static
Initial value:
= pexConfig.Field[float](
doc="Minimum fraction of unmasked pixels required to use star.",
default=0.5
)

◆ outlierMaxRemove

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.outlierMaxRemove
static
Initial value:
= pexConfig.Field[float](
doc="Max fraction of stars to remove as outliers each iteration",
default=0.05
)

◆ outlierNSigma

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.outlierNSigma
static
Initial value:
= pexConfig.Field[float](
doc="n sigma for chisq outlier rejection",
default=4.0
)

◆ samplingSize

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.samplingSize
static
Initial value:
= pexConfig.Field[float](
doc="Resolution of the internal PSF model relative to the pixel size; "
"e.g. 0.5 is equal to 2x oversampling",
default=1,
)

◆ spatialOrder

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.spatialOrder
static
Initial value:
= pexConfig.Field[int](
doc="specify spatial order for PSF kernel creation",
default=2,
)

◆ useCoordinates

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.useCoordinates
static
Initial value:
= pexConfig.ChoiceField[str](
doc="Which spatial coordinates to regress against in PSF modeling.",
allowed=dict(
pixel='Regress against pixel coordinates',
field='Regress against field angles',
sky='Regress against RA/Dec'
),
default='pixel'
)

◆ zeroWeightMaskBits

lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerConfig.zeroWeightMaskBits
static
Initial value:
= pexConfig.ListField[str](
doc="List of mask bits for which to set pixel weights to zero.",
default=['BAD', 'CR', 'INTRP', 'SAT', 'SUSPECT', 'NO_DATA']
)

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