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Capture algorithm metadata in source catalog #62

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merged 2 commits into from
Jun 20, 2016
Merged

Capture algorithm metadata in source catalog #62

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7850792
Capture algorithm metadata in source catalog
AstroVPK Jun 20, 2016
e719a00
Add unittest for algorithm metadata
AstroVPK Jun 20, 2016
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2 changes: 2 additions & 0 deletions python/lsst/pipe/tasks/multiBand.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1047,6 +1047,8 @@ def run(self, patchRef):
self.log.warn("Patch %s contains %d large footprints that were not deblended" %
(patchRef.dataId, numBig))

table = sources.getTable()
table.setMetadata(self.algMetadata) # Capture algorithm metadata to write out to the source catalog.
# First run plugins with order up to and including APCORR_ORDER to measure all fluxes
# and apply the aperture correction (using the apCorrMap measured in the calibration
# task) to the measured fluxes whose plugins were registered with shouldApCorr=True
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18 changes: 18 additions & 0 deletions tests/testCoadds.py
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Expand Up @@ -45,6 +45,7 @@
import shutil
import os
import sys
import numbers

from lsst.utils import getPackageDir
import lsst.utils.tests
Expand Down Expand Up @@ -372,6 +373,23 @@ def testForcedPhotCcdTask(self):
task = lsst.meas.base.ForcedPhotCcdTask(config=config, butler=self.butler)
self.runTaskOnCcds(task)

def testAlgMetadataOutput(self):
"""Test to see if algMetadata is persisted correctly from MeasureMergedCoaddSourcesTask. This test
fails with a NotFoundError if the algorithm metadata is not persisted"""
patchList = ['0,0', '0,1', '1,0', '1,1']
for patch in patchList:
cat = self.butler.get("deepCoadd_meas", filter = 'r', tract = 0, patch = patch)
meta = cat.getTable().getMetadata()
for circApertureFluxRadius in meta.get('base_CircularApertureFlux_radii'):
self.assertIsInstance(circApertureFluxRadius, numbers.Number)
for nOffset in meta.get('NOISE_OFFSET'):
self.assertIsInstance(nOffset, numbers.Number)
for noiseSrc in meta.get('NOISE_SOURCE'):
self.assertEqual(noiseSrc, 'measure')
for noiseExpID in meta.get('NOISE_EXPOSURE_ID'):
self.assertIsInstance(noiseExpID, numbers.Number)
for noiseSeedMul in meta.get('NOISE_SEED_MULTIPLIER'):
self.assertIsInstance(noiseSeedMul, numbers.Number)

class AssembleCoaddTestCase(lsst.utils.tests.TestCase):
def testSafeClipConfig(self):
Expand Down