Inheritance diagram for lsst.meas.deblender.deblend.SourceDeblendConfig:

Static Public Attributes
tuple	edgeHandling

tuple	strayFluxToPointSources

tuple	findStrayFlux

tuple	assignStrayFlux

tuple	strayFluxRule

tuple	clipStrayFluxFraction

tuple	psfChisq1

tuple	psfChisq2

tuple	psfChisq2b

tuple	maxNumberOfPeaks

tuple	maxFootprintArea

tuple	maxFootprintSize

tuple	minFootprintAxisRatio

tuple	notDeblendedMask

tuple	tinyFootprintSize

tuple	propagateAllPeaks

tuple	catchFailures

tuple	maskPlanes

tuple	maskLimits

Detailed Description

Definition at line 37 of file deblend.py.

Member Data Documentation

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.assignStrayFlux

static

Initial value:

1 = pexConf.Field(dtype=bool, default=True,

2 doc='Assign stray flux to deblend children. Implies findStrayFlux.')

Definition at line 63 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.catchFailures

static

Initial value:

 = pexConf.Field(dtype=bool, default=False,
                                   doc=("If True, catch exceptions thrown by the deblender, log them, "
                                        "and set a flag on the parent, instead of letting them propagate up"))

Definition at line 112 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.clipStrayFluxFraction

static

Initial value:

 = pexConf.Field(dtype=float, default=0.01,
                                           doc=('When splitting stray flux, clip fractions below '
                                                'this value to zero.'))

Definition at line 79 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.edgeHandling

static

Initial value:

 = pexConf.ChoiceField(
         doc='What to do when a peak to be deblended is close to the edge of the image',
         dtype=str, default='ramp',
         allowed={
             'clip': 'Clip the template at the edge AND the mirror of the edge.',
             'ramp': 'Ramp down flux at the image edge by the PSF',
             'noclip': 'Ignore the edge when building the symmetric template.',
             }
         )

Definition at line 39 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.findStrayFlux

static

Initial value:

1 = pexConf.Field(dtype=bool, default=True,

2 doc='Find stray flux---flux not claimed by any child in the deblender.')

Definition at line 60 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.maskLimits

static

Initial value:

 = pexConf.DictField(
         keytype = str,
         itemtype = float,
         default = {},
         doc = ("Mask planes with the corresponding limit on the fraction of masked pixels. "
                "Sources violating this limit will not be deblended."),
         )

Definition at line 117 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.maskPlanes

static

Initial value:

1 = pexConf.ListField(dtype=str, default=["SAT", "INTRP", "NO_DATA"],

2 doc="Mask planes to ignore when performing statistics")

Definition at line 115 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.maxFootprintArea

static

Initial value:

 = pexConf.Field(dtype=int, default=1000000,
                                      doc=("Maximum area for footprints before they are ignored as large; "
                                           "non-positive means no threshold applied"))

Definition at line 94 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.maxFootprintSize

static

Initial value:

 = pexConf.Field(dtype=int, default=0,
                                     doc=("Maximum linear dimension for footprints before they are ignored "
                                          "as large; non-positive means no threshold applied"))

Definition at line 97 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.maxNumberOfPeaks

static

Initial value:

 = pexConf.Field(dtype=int, default=0,
                                      doc=("Only deblend the brightest maxNumberOfPeaks peaks in the parent"
                                           " (<= 0: unlimited)"))

Definition at line 91 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.minFootprintAxisRatio

static

Initial value:

 = pexConf.Field(dtype=float, default=0.0,
                                           doc=("Minimum axis ratio for footprints before they are ignored "
                                                "as large; non-positive means no threshold applied"))

Definition at line 100 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.notDeblendedMask

static

Initial value:

1 = pexConf.Field(dtype=str, default="NOT_DEBLENDED", optional=True,

2 doc="Mask name for footprints not deblended, or None")

Definition at line 103 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.propagateAllPeaks

static

Initial value:

1 = pexConf.Field(dtype=bool, default=False,

2 doc=('Guarantee that all peaks produce a child source.'))

Definition at line 110 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.psfChisq1

static

Initial value:

 = pexConf.Field(dtype=float, default=1.5, optional=False,
                               doc=('Chi-squared per DOF cut for deciding a source is '
                                    'a PSF during deblending (un-shifted PSF model)'))

Definition at line 82 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.psfChisq2

static

Initial value:

 = pexConf.Field(dtype=float, default=1.5, optional=False,
                               doc=('Chi-squared per DOF cut for deciding a source is '
                                    'PSF during deblending (shifted PSF model)'))

Definition at line 85 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.psfChisq2b

static

Initial value:

 = pexConf.Field(dtype=float, default=1.5, optional=False,
                                doc=('Chi-squared per DOF cut for deciding a source is '
                                     'a PSF during deblending (shifted PSF model #2)'))

Definition at line 88 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.strayFluxRule

static

Initial value:

 = pexConf.ChoiceField(
         doc='How to split flux among peaks',
         dtype=str, default='r-to-peak',
         allowed={
             'r-to-peak': '~ 1/(1+R^2) to the peak',
             'r-to-footprint': ('~ 1/(1+R^2) to the closest pixel in the footprint.  '
                                'CAUTION: this can be computationally expensive on large footprints!'),
             'nearest-footprint': ('Assign 100% to the nearest footprint (using L-1 norm aka '
                                   'Manhattan distance)'),
             'trim': ('Shrink the parent footprint to pixels that are not assigned to children')
             }
         )

Definition at line 66 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.strayFluxToPointSources

static

Initial value:

 = pexConf.ChoiceField(
         doc='When the deblender should attribute stray flux to point sources',
         dtype=str, default='necessary',
         allowed={
             'necessary': 'When there is not an extended object in the footprint',
             'always': 'Always',
             'never': ('Never; stray flux will not be attributed to any deblended child '
                       'if the deblender thinks all peaks look like point sources'),
             }
         )

Definition at line 49 of file deblend.py.

tuple lsst.meas.deblender.deblend.SourceDeblendConfig.tinyFootprintSize

static

Initial value:

 = pexConf.Field(dtype=int, default=2,
                                       doc=('Footprints smaller in width or height than this value will '
                                            'be ignored; 0 to never ignore.'))

Definition at line 106 of file deblend.py.

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

/home/lsstsw/stack/Linux64/meas_deblender/11.0+1/python/lsst/meas/deblender/deblend.py

Static Public Attributes

Detailed Description

Member Data Documentation