lsst.synpipe.mergeOnlyFakes.OnlyFakesMergeTask Class Reference

Inheritance diagram for lsst.synpipe.mergeOnlyFakes.OnlyFakesMergeTask:

Public Member Functions
def	runDataRef (self, patchRef)

Static Public Attributes
	ConfigClass

Detailed Description

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

Definition at line 22 of file mergeOnlyFakes.py.

Member Function Documentation

runDataRef()

def lsst.synpipe.mergeOnlyFakes.OnlyFakesMergeTask.runDataRef	(		self,
			patchRef
	)

Measure and deblend

Definition at line 29 of file mergeOnlyFakes.py.

    def runDataRef(self, patchRef):
        """Measure and deblend"""
 
        exposure = patchRef.get(self.config.coaddName + "Coadd", immediate=True)
 
        """Read in the FAKE mask plane"""
        mask = exposure.getMaskedImage().getMask()
        fakebit = mask.getPlaneBitMask('FAKE')
 
        sources = self.readSources(patchRef)
        self.log.info("Found %d sources" % len(sources))
        """ignore objects whose footprints do NOT overlap with the 'FAKE' mask"""
        removes = []
        for i_ss, ss in enumerate(sources):
            foot = ss.getFootprint()
            footTmp = afwDetect.Footprint(foot)
            footTmp.intersectMask(mask, fakebit)
            if footTmp.getArea() == foot.getArea():
                removes.append(i_ss)
        removes = sorted(removes, reverse=True)
        for r in removes:
            del sources[r]
        self.log.info("Found %d sources near fake footprints" % len(sources))
 
        if self.config.doDeblend:
            self.deblend.run(exposure, sources, exposure.getPsf())
 
            bigKey = sources.schema["deblend.parent-too-big"].asKey()
            # catalog is non-contiguous so can't extract column
            numBig = sum((s.get(bigKey) for s in sources))
            if numBig > 0:
                self.log.warn("Patch %s contains %d large footprints that were not deblended" %
                              (patchRef.dataId, numBig))
        self.measurement.run(exposure, sources)
        skyInfo = getSkyInfo(coaddName=self.config.coaddName, patchRef=patchRef)
        self.setPrimaryFlags.run(sources, skyInfo.skyMap, skyInfo.tractInfo, skyInfo.patchInfo,
                                 includeDeblend=self.config.doDeblend)
        self.propagateFlags.run(patchRef.getButler(), sources, self.propagateFlags.getCcdInputs(exposure),
                                exposure.getWcs())
        if self.config.doMatchSources:
            self.writeMatches(patchRef, exposure, sources)
 
        self.write(patchRef, sources)

Member Data Documentation

ConfigClass

lsst.synpipe.mergeOnlyFakes.OnlyFakesMergeTask.ConfigClass

static

Definition at line 27 of file mergeOnlyFakes.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/mergeOnlyFakes.py