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DM-29907: Update the idFactory for the deblender input catalog #505

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Apr 28, 2021
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DM-29907: Update the idFactory for the deblender input catalog #505

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7 changes: 7 additions & 0 deletions python/lsst/pipe/tasks/deblendCoaddSourcesPipeline.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.

import numpy as np

from lsst.pipe.base import (Struct, PipelineTask, PipelineTaskConfig, PipelineTaskConnections)
import lsst.pipe.base.connectionTypes as cT

Expand Down Expand Up @@ -154,6 +156,11 @@ def runQuantum(self, butlerQC, inputRefs, outputRefs):
butlerQC.put(outputs, outputRefs)

def _makeSourceCatalog(self, mergedDetections, idFactory):
# There may be gaps in the mergeDet catalog, which will cause the
# source ids to be inconsistent. So we update the id factory
# with the largest id already in the catalog.
maxId = np.max(mergedDetections["id"])
idFactory.notify(maxId)
table = afwTable.SourceTable.make(self.schema, idFactory)
sources = afwTable.SourceCatalog(table)
sources.extend(mergedDetections, self.schemaMapper)
Expand Down