lsst.synpipe.detectOnlyFakes.OnlyFakesDetectionTask Class Reference

Inheritance diagram for lsst.synpipe.detectOnlyFakes.OnlyFakesDetectionTask:

Public Member Functions
def	run (self, table, exposure, doSmooth=True, sigma=None, clearMask=True)
def	makeSourceCatalog (self, *args, **kwargs)

Static Public Attributes
	ConfigClass

Detailed Description

This task serves culls the source list to sources which overlap with fakes

Definition at line 23 of file detectOnlyFakes.py.

Member Function Documentation

makeSourceCatalog()

def lsst.synpipe.detectOnlyFakes.OnlyFakesDetectionTask.makeSourceCatalog	(		self,
		*	args,
		**	kwargs
	)

Definition at line 70 of file detectOnlyFakes.py.

    def makeSourceCatalog(self, *args, **kwargs):
        return self.run(*args, **kwargs)

run()

def lsst.synpipe.detectOnlyFakes.OnlyFakesDetectionTask.run	(		self,
			table,
			exposure,
			doSmooth = True,
			sigma = None,
			clearMask = True
	)

Definition at line 31 of file detectOnlyFakes.py.

    def run(self, table, exposure, doSmooth=True, sigma=None, clearMask=True):
        if self.negativeFlagKey is not None and self.negativeFlagKey not in table.getSchema():
            raise ValueError("Table has incorrect Schema")
 
        # detect the footprints as usual
        fpSets = self.detectFootprints(exposure=exposure, doSmooth=doSmooth, sigma=sigma,
                                       clearMask=clearMask)
 
        # ignore objects whose footprints do NOT overlap with the 'FAKE' mask
        mask = exposure.getMaskedImage().getMask()
        fakebit = mask.getPlaneBitMask('FAKE')
        fpPos = fpSets.positive.getFootprints()
        removes = []
        for i_foot, foot in enumerate(fpPos):
            footTmp = afwDetect.Footprint(foot)
            footTmp.intersectMask(mask, fakebit)
            if footTmp.getArea() == foot.getArea():
                removes.append(i_foot)
        removes = sorted(removes, reverse=True)
        for r in removes:
            del fpPos[r]
 
        self.log.info("Found %d sources near fake footprints" % len(fpPos))
 
        fpSets.numPos = len(fpPos)
        if fpSets.negative:
            del fpSets.negative.getFootprints()[0:]
            fpSets.negative = None
 
        # make sources
        sources = afwTable.SourceCatalog(table)
        table.preallocate(fpSets.numPos)
        if fpSets.positive:
            fpSets.positive.makeSources(sources)
 
        return pipeBase.Struct(sources=sources, fpSets=fpSets)
 

Member Data Documentation

ConfigClass

lsst.synpipe.detectOnlyFakes.OnlyFakesDetectionTask.ConfigClass

static

Definition at line 29 of file detectOnlyFakes.py.

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

• /j/snowflake/release/lsstsw/stack/cb4e2dc/Linux64/synpipe/20.0.0+e69b5d60e7/python/lsst/synpipe/detectOnlyFakes.py