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LSST Data Management Base Package
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Public Member Functions | |
__init__ (self, config, schema=None, **kwds) | |
downsampleCandidates (self, inputCandidateList) | |
determinePsf (self, exposure, psfCandidateList, metadata=None, flagKey=None) | |
Static Public Attributes | |
bool | usesMatches = False |
ConfigClass = BasePsfDeterminerConfig | |
Static Protected Attributes | |
str | _DefaultName = "psfDeterminer" |
Base class for PSF determiners Register all PSF determiners with the psfDeterminerRegistry using: psfDeterminerRegistry.register(name, class) Parameters ---------- config : `lsst.pexConfig.Config` Input for configuring the algorithm schema : `lsst.afw.table.Schema` Schema used for sources; passing a schema allows the determiner to reserve a flag field to mark stars used in PSF measurement, but some PSF determiners ignore this argument.
Definition at line 52 of file psfDeterminer.py.
lsst.meas.algorithms.psfDeterminer.BasePsfDeterminerTask.__init__ | ( | self, | |
config, | |||
schema = None, | |||
** | kwds ) |
Definition at line 72 of file psfDeterminer.py.
lsst.meas.algorithms.psfDeterminer.BasePsfDeterminerTask.determinePsf | ( | self, | |
exposure, | |||
psfCandidateList, | |||
metadata = None, | |||
flagKey = None ) |
Determine a PSF model. Parameters ---------- exposure : `lsst.afw.Exposure` Exposure containing the psf candidates. psdCandidateList : `list` [`lsst.meas.algorithms.PsfCandidate`] A sequence of PSF candidates; typically obtained by detecting sources and then running them through a star selector. metadata : `str`, optional A place to save interesting items. flagKey: `lsst.afw.table.Key`, optional Schema key used to mark sources actually used in PSF determination. Returns ------- psf : `lsst.afw.detection.Psf` The fit PSF. cellSet : `lsst.afw.math.SpatialCellSet` The spatial cell set used to determine the PSF
Reimplemented in lsst.meas.algorithms.pcaPsfDeterminer.PcaPsfDeterminerTask, and lsst.meas.extensions.piff.piffPsfDeterminer.PiffPsfDeterminerTask.
Definition at line 107 of file psfDeterminer.py.
lsst.meas.algorithms.psfDeterminer.BasePsfDeterminerTask.downsampleCandidates | ( | self, | |
inputCandidateList ) |
Down-sample candidates from the input candidate list. Parameters ---------- inputCandidateList : `list` [`lsst.meas.algorithms.PsfCandidate`] Input candidate list. Returns ------- outputCandidateList : `list` [`lsst.meas.algorithms.PsfCandidate`] Down-selected candidate list.
Definition at line 75 of file psfDeterminer.py.
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staticprotected |
Definition at line 70 of file psfDeterminer.py.
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static |
Definition at line 69 of file psfDeterminer.py.
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static |
Definition at line 68 of file psfDeterminer.py.