Inheritance diagram for lsst.ip.diffim.psfMatch.PsfMatchConfigDF:
Public Member Functions | |
| setDefaults (self) | |
Public Attributes | |
| kernelBasisSet | |
| maxConditionNumber | |
| usePcaForSpatialKernel | |
| subtractMeanForPca | |
| useBicForKernelBasis | |
Detailed Description
The parameters specific to the delta-function (one basis per-pixel) Psf-matching basis
Definition at line 445 of file psfMatch.py.
Member Function Documentation
◆ setDefaults()
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.setDefaults | ( | self | ) |
Definition at line 448 of file psfMatch.py.
448 def setDefaults(self):
449 PsfMatchConfig.setDefaults(self)
450 self.kernelBasisSet = "delta-function"
451 self.maxConditionNumber = 5.0e6
452 self.usePcaForSpatialKernel = True
453 self.subtractMeanForPca = True
454 self.useBicForKernelBasis = False
455
Member Data Documentation
◆ centralRegularizationStencil
|
static |
Initial value:
= pexConfig.ChoiceField(
dtype=int,
doc="Type of stencil to approximate central derivative (for centralDifference only)",
default=9,
allowed={
5: "5-point stencil including only adjacent-in-x,y elements",
9: "9-point stencil including diagonal elements"
}
)
Definition at line 470 of file psfMatch.py.
◆ forwardRegularizationOrders
|
static |
Initial value:
= pexConfig.ListField(
dtype=int,
doc="Array showing which order derivatives to penalize (for forwardDifference only)",
default=(1, 2),
itemCheck=lambda x: (x > 0) and (x < 4)
)
Definition at line 479 of file psfMatch.py.
◆ kernelBasisSet
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.kernelBasisSet |
Definition at line 450 of file psfMatch.py.
◆ lambdaMax
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=2.0,
)
Definition at line 528 of file psfMatch.py.
◆ lambdaMin
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=-1.0,
)
Definition at line 522 of file psfMatch.py.
◆ lambdaScaling
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc="Fraction of the default lambda strength (N.R. 18.5.8) to use. 1e-4 or 1e-5",
default=1e-4,
)
Definition at line 507 of file psfMatch.py.
◆ lambdaStep
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc=,
default=0.1,
)
Definition at line 534 of file psfMatch.py.
◆ lambdaStepType
|
static |
Initial value:
= pexConfig.ChoiceField(
dtype=str,
doc=,
default="log",
allowed={
"log": "Step in log intervals; e.g. lambdaMin, lambdaMax, lambdaStep = -1.0, 2.0, 0.1",
"linear": "Step in linear intervals; e.g. lambdaMin, lambdaMax, lambdaStep = 0.1, 100, 0.1",
}
)
Definition at line 512 of file psfMatch.py.
◆ lambdaType
|
static |
Initial value:
= pexConfig.ChoiceField(
dtype=str,
doc="How to choose the value of the regularization strength",
default="absolute",
allowed={
"absolute": "Use lambdaValue as the value of regularization strength",
"relative": "Use lambdaValue as fraction of the default regularization strength (N.R. 18.5.8)",
"minimizeBiasedRisk": "Minimize biased risk estimate",
"minimizeUnbiasedRisk": "Minimize unbiased risk estimate",
}
)
Definition at line 491 of file psfMatch.py.
◆ lambdaValue
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc="Value used for absolute determinations of regularization strength",
default=0.2,
)
Definition at line 502 of file psfMatch.py.
◆ maxConditionNumber
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.maxConditionNumber |
Definition at line 451 of file psfMatch.py.
◆ regularizationBorderPenalty
|
static |
Initial value:
= pexConfig.Field(
dtype=float,
doc="Value of the penalty for kernel border pixels",
default=3.0,
check=lambda x: x >= 0.0
)
Definition at line 485 of file psfMatch.py.
◆ regularizationType
|
static |
Initial value:
= pexConfig.ChoiceField(
dtype=str,
doc="Type of regularization.",
default="centralDifference",
allowed={
"centralDifference": "Penalize second derivative using 2-D stencil of central finite difference",
"forwardDifference": "Penalize first, second, third derivatives using forward finite differeces"
}
)
Definition at line 461 of file psfMatch.py.
◆ subtractMeanForPca
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.subtractMeanForPca |
Definition at line 453 of file psfMatch.py.
◆ useBicForKernelBasis
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.useBicForKernelBasis |
Definition at line 454 of file psfMatch.py.
◆ usePcaForSpatialKernel
| lsst.ip.diffim.psfMatch.PsfMatchConfigDF.usePcaForSpatialKernel |
Definition at line 452 of file psfMatch.py.
◆ useRegularization
|
static |
Initial value:
= pexConfig.Field(
dtype=bool,
doc="Use regularization to smooth the delta function kernels",
default=True,
)
Definition at line 456 of file psfMatch.py.
The documentation for this class was generated from the following file:
- /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/ip_diffim/g1470d8bcf6+3ea6592b6f/python/lsst/ip/diffim/psfMatch.py
