def testSnap(self):
tMi, sMi, sK, kcs, confake = diffimTools.makeFakeKernelSet(bgValue = self.bgValue)
tWcs = self.makeWcs(offset = 0)
sWcs = self.makeWcs(offset = 0)
tExp = afwImage.ExposureF(tMi, tWcs)
sExp = afwImage.ExposureF(sMi, sWcs)
sExp.setPsf(self.psf)
psfMatchAL = ipDiffim.SnapPsfMatchTask(config=self.configAL)
psfMatchDF = ipDiffim.SnapPsfMatchTask(config=self.configDF)
psfMatchDFr = ipDiffim.SnapPsfMatchTask(config=self.configDFr)
psfMatchAL.subtractMaskedImages(tMi, sMi, psfMatchAL.makeCandidateList(tExp, sExp, self.ksize))
psfMatchDF.subtractMaskedImages(tMi, sMi, psfMatchDF.makeCandidateList(tExp, sExp, self.ksize))
psfMatchDFr.subtractMaskedImages(tMi, sMi, psfMatchDFr.makeCandidateList(tExp, sExp, self.ksize))
def subtractSnaps(snap1, snap2, subconfig, doWarping=False):
psfmatch = ipDiffim.SnapPsfMatchTask(subconfig)
results = psfmatch.run(snap1,
snap2,
"subtractExposures",
doWarping=doWarping)
return results.subtractedImage
