lsst.ap.association

The ap_association package provides tools for associating DIAObjects to DIASources, persisting this association, and computing DIAObject summary statistics.

Contributing

lsst.ap.association is developed at lsst/ap_association. You can find Jira issues for this module under the ap_association component.

Task reference

Pipeline Tasks

Tasks

Python API reference

lsst.ap.association Package

Functions

dropDuplicateRows(catalog, index, name, log)	Index a catalog loaded from the Apdb and drop any duplicate rows.
getMidpointFromTimespan(timespan[, ...])	Safely retrieve the midpoint in TAI from a Timespan.
getRegion(exposure)	Calculate an enveloping region for an exposure.
loadDiaForcedSourcesFromApdb(apdb, region, ...)	Load DiaForcedSources from the Apdb based on their diaObjectId.
loadDiaObjectsFromApdb(apdb, region, schema, log)	Load DiaObjects from the Apdb based on their HTM location.
loadDiaSourcesFromApdb(apdb, region, ...)	Load DiaSources from the Apdb based on their diaObjectId or location.
makeEmptyForcedSourceTable(schema)	Return a dataframe with the correct columns for diaForcedSources table.
paddedRegion(region, margin)	Return a region that has been expanded by a buffer.
readSchemaFromApdb(apdb)	Extract the schema from an APDB instance.

Classes

AssociationConfig(*args, **kw)	Config class for AssociationTask.
AssociationTask([config, name, parentTask, log])	Associate DIAOSources into existing DIAObjects.
DiaForcedSourceTask(**kwargs)	Task for measuring and storing forced sources at DiaObject locations in both difference and direct images.
DiaForcedSourcedConfig(*args, **kw)	Configuration for the generic DiaForcedSourcedTask class.
DiaPipelineConfig(*args, **kw)	Config for DiaPipelineTask.
DiaPipelineConnections(*[, config])	Butler connections for DiaPipelineTask.
DiaPipelineTask([initInputs])	Task for loading, associating and storing Difference Image Analysis (DIA) Objects and Sources.
ExportDiaCatalogsConfig(*args, **kw)	Config class for ExportDiaCatalogsConfig.
ExportDiaCatalogsTask(**kwargs)	Retrieve DiaObjects and associated DiaSources from the Apdb given an input exposure.
FilterDiaSourceCatalogConfig(*args, **kw)	Config class for FilterDiaSourceCatalogTask.
FilterDiaSourceCatalogTask(*[, config, log, ...])	Filter sources from a DiaSource catalog based on their trail length, sky sources, and bad flags.
FilterDiaSourceReliabilityConfig(*args, **kw)	Configuration for the FilterDiaSourceReliabilityTask.
FilterDiaSourceReliabilityTask(*[, config, ...])	Filter DiaSource catalog by reliability score.
LoadDiaCatalogsConfig(*args, **kw)	Config class for LoadDiaCatalogsConfig.
LoadDiaCatalogsTask(**kwargs)	Retrieve DiaObjects and associated DiaSources from the Apdb given an input exposure.
MPSkyEphemerisQueryConfig(*args, **kw)
MPSkyEphemerisQueryTask(*[, config, log, ...])	Task to query the MPSky service and retrieve the solar system objects that are observable within the input visit.
PackageAlertsConfig(*args, **kw)	Config class for AssociationTask.
PackageAlertsTask(**kwargs)	Tasks for packaging Dia and Pipelines data into Avro alert packages.
SsSingleFrameAssociationConfig(*args, **kw)	Config for DiaPipelineTask.
SsSingleFrameAssociationConnections(*[, config])	Butler connections for SsSingleFrameAssociationTask.
SsSingleFrameAssociationTask([initInputs])	Task for loading, associating and storing Difference Image Analysis (DIA) Objects and Sources.
TransformDiaSourceCatalogConfig(*args, **kw)
TransformDiaSourceCatalogConnections(*[, config])
TransformDiaSourceCatalogTask(initInputs, ...)	Transform a DiaSource catalog by calibrating and renaming columns to produce a table ready to insert into the Apdb.
UnpackApdbFlags(flag_map_file, table_name)	Class for unpacking bits from integer flag fields stored in the Apdb.

lsst.ap.association.metrics Module

Classes

NumberNewDiaObjectsMetricTask(**kwargs)	Task that computes the number of DIASources that create new DIAObjects in an image, visit, etc..
NumberUnassociatedDiaObjectsMetricTask(**kwargs)	Task that computes the number of previously-known DIAObjects that do not have detected DIASources in an image, visit, etc..
FractionUpdatedDiaObjectsMetricTask(**kwargs)	Task that computes the fraction of previously created DIAObjects that have a new association in this image, visit, etc..
NumberSolarSystemObjectsMetricTask(**kwargs)	Task that computes the number of SolarSystemObjects that are observable within this detectorVisit.
NumberAssociatedSolarSystemObjectsMetricTask(...)	Number of SolarSystemObjects that were associated with new DiaSources for this detectorVisit.
TotalUnassociatedDiaObjectsMetricTask(**kwargs)	Task that computes the number of DIAObjects with only one associated DIASource.