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LSST Data Management Base Package
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getRegionTimeFromVisit.py
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1# This file is part of pipe_tasks.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (https://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This program is free software: you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program. If not, see <https://www.gnu.org/licenses/>.
21
22
23__all__ = ["GetRegionTimeFromVisitTask", "GetRegionTimeFromVisitConfig"]
24
25
26import lsst.pipe.base as pipeBase
27from lsst.pipe.base.utils import RegionTimeInfo
28from lsst.utils.timer import timeMethod
29
30
31class GetRegionTimeFromVisitConnections(pipeBase.PipelineTaskConnections,
32 dimensions={"instrument", "group", "detector"},
33 defaultTemplates={"coaddName": "goodSeeing", "fakesType": ""}):
34
35 dummy_visit = pipeBase.connectionTypes.Input(
36 doc="Placeholder connection to provide visit-detector records and "
37 "constrain data IDs to images we're processing.",
38 name="initial_stars_footprints_detector",
39 storageClass="SourceCatalog",
40 dimensions=["instrument", "visit", "detector"],
41 )
42 dummy_exposure = pipeBase.connectionTypes.Output(
43 doc="Placeholder connection to guarantee visit-exposure-group mapping. "
44 "This output is never produced and need not be registered.",
45 name="getRegionTimeFromVisit_dummy2", # Unique because it gets registered anyway.
46 storageClass="int",
47 dimensions={"instrument", "exposure", "detector"},
48 multiple=True,
49 )
50 output = pipeBase.connectionTypes.Output(
51 doc="The region and time associated with this group's visit.",
52 name="regionTimeInfo",
53 storageClass="RegionTimeInfo",
54 dimensions={"instrument", "group", "detector"},
55 )
56
57
58class GetRegionTimeFromVisitConfig(pipeBase.PipelineTaskConfig,
59 pipelineConnections=GetRegionTimeFromVisitConnections):
60 pass
61
62
63class GetRegionTimeFromVisitTask(pipeBase.PipelineTask):
64 """A converter that reads metadata from visit-dimension records and writes
65 it to a Butler dataset.
66 """
67 _DefaultName = "getRegionTimeFromVisit"
68 ConfigClass = GetRegionTimeFromVisitConfig
69
70 @timeMethod
71 def runQuantum(self, butlerQC, inputRefs, outputRefs):
72 """Convert the passed dataset refs to persistable metadata.
73 """
74 # Input datasetRefs guaranteed to be expanded.
75 times = inputRefs.dummy_visit.dataId.records["visit"].timespan
76 region = inputRefs.dummy_visit.dataId.records["visit_detector_region"].region
77 outputs = pipeBase.Struct(
78 output=RegionTimeInfo(region=region, timespan=times),
79 dummy_exposure=None,
80 )
81 butlerQC.put(outputs, outputRefs)
82
83 # All work is done in runQuantum
84 run = None