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LSST Data Management Base Package
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Static Public Attributes | Protected Member Functions | Static Protected Attributes | List of all members
lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff Class Reference
Inheritance diagram for lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff:
lsst.pipe.tasks.functors.Functor

Static Public Attributes

str name = 'PSF - HSM Trace Size'
 
str shortname = 'psf_HsmTrace'
 

Protected Member Functions

 _func (self, df)
 

Static Protected Attributes

tuple _columns
 

Detailed Description

Functor to calculate the HSM trace radius size difference (%) between
the object and the PSF model.

See Also
--------
HsmTraceSize

Definition at line 1062 of file functors.py.

Member Function Documentation

◆ _func()

lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff._func ( self,
df )
protected

Reimplemented from lsst.pipe.tasks.functors.Functor.

Definition at line 1077 of file functors.py.

1077 def _func(self, df):
1078 srcSize = np.sqrt(0.5*(df["ext_shapeHSM_HsmSourceMoments_xx"]
1079 + df["ext_shapeHSM_HsmSourceMoments_yy"]))
1080 psfSize = np.sqrt(0.5*(df["ext_shapeHSM_HsmPsfMoments_xx"]
1081 + df["ext_shapeHSM_HsmPsfMoments_yy"]))
1082 sizeDiff = 100*(srcSize - psfSize)/(0.5*(srcSize + psfSize))
1083 return sizeDiff
1084
1085

Member Data Documentation

◆ _columns

tuple lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff._columns
staticprotected
Initial value:
= ("ext_shapeHSM_HsmSourceMoments_xx",
"ext_shapeHSM_HsmSourceMoments_yy",
"ext_shapeHSM_HsmPsfMoments_xx",
"ext_shapeHSM_HsmPsfMoments_yy")

Definition at line 1072 of file functors.py.

◆ name

str lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff.name = 'PSF - HSM Trace Size'
static

Definition at line 1070 of file functors.py.

◆ shortname

str lsst.pipe.tasks.functors.PsfHsmTraceSizeDiff.shortname = 'psf_HsmTrace'
static

Definition at line 1071 of file functors.py.


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