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LSST Data Management Base Package
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Public Member Functions | |
getExecutionOrder (cls) | |
__init__ (self, config, name, schema, metadata, logName=None) | |
measure (self, measRecord, exposure, center) | |
measureN (self, measCat, exposure, refCat, refWcs) | |
fail (self, measRecord, error=None) | |
makeSingleFramePlugin (cls, name) | |
makeForcedPlugin (cls, name) | |
Static Public Attributes | |
ConfigClass = None | |
Protected Attributes | |
_failKey | |
_generic | |
Abstract base class for a generic plugin. Parameters ---------- config : `lsst.pex.config.Config` An instance of this class' ``ConfigClass``. name : `str` Name of this measurement plguin, for registering. schema : `lsst.afw.table.Schema` The catalog schema. New fields should be added here to hold measurements produced by this plugin. metadata : `lsst.daf.base.PropertySet` Metadata that will be attached to the output catalog. logName : `str`, optional Name of log component. Notes ----- A generic plugin can be used with the `singleFramePluginFromGeneric` and/or `forcedPluginFromGeneric` wrappers to create classes that can be used for single frame measurement and/or forced measurement (as appropriate). The only real difference between `SingleFramePlugin` and `ForcedPlugin` is the ``measure`` method; this class introduces a shared signature for `measure` that, in combination with the aforementioned wrappers, allows both plugin styles to share a single implementation. This doesn't use `abc.ABCMeta` because I couldn't get it to work with a superclass. Sub-classes should set `ConfigClass` and implement the `measure` and `measureN` methods. They may optionally provide alternative implementations for the `__init__`, `fail` and `getExecutionOrder` methods. This default implementation simply adds a field for recording a fatal failure of the measurement plugin.
Definition at line 501 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.__init__ | ( | self, | |
config, | |||
name, | |||
schema, | |||
metadata, | |||
logName = None ) |
Reimplemented from lsst.meas.base.pluginsBase.BasePlugin.
Reimplemented in lsst.meas.base.plugins.VariancePlugin, lsst.meas.base.plugins.InputCountPlugin, lsst.meas.base.plugins.EvaluateLocalPhotoCalibPlugin, and lsst.meas.base.plugins.EvaluateLocalWcsPlugin.
Definition at line 545 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.fail | ( | self, | |
measRecord, | |||
error = None ) |
Record a measurement failure. This default implementation simply records the failure in the source record. Parameters ---------- measRecord : `lsst.afw.table.SourceRecord` Catalog record for the source being measured. error : `Exception` Error causing failure, or `None`.
Reimplemented from lsst.meas.base.pluginsBase.BasePlugin.
Reimplemented in lsst.meas.base.plugins.VariancePlugin, and lsst.meas.base.plugins.InputCountPlugin.
Definition at line 595 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.getExecutionOrder | ( | cls | ) |
Get the relative execution order of this plugin. Must be reimplemented as a class method by concrete derived classes.
Reimplemented from lsst.meas.base.pluginsBase.BasePlugin.
Reimplemented in lsst.meas.base.plugins.VariancePlugin, lsst.meas.base.plugins.InputCountPlugin, lsst.meas.base.plugins.EvaluateLocalPhotoCalibPlugin, and lsst.meas.base.plugins.EvaluateLocalWcsPlugin.
Definition at line 542 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.makeForcedPlugin | ( | cls, | |
name ) |
Produce a ForcedPlugin subclass from this GenericPlugin class. The class is also registered. Parameters ---------- name : `str` Name of plugin to register.
Definition at line 652 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.makeSingleFramePlugin | ( | cls, | |
name ) |
Produce a SingleFramePlugin subclass from this GenericPlugin class. The class is also registered. Parameters ---------- name : `str` Name of plugin to register.
Definition at line 611 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.measure | ( | self, | |
measRecord, | |||
exposure, | |||
center ) |
Measure a single source. It is the responsibility of this method to perform the desired measurement and record the result in the `measRecord`. Parameters ---------- measRecord : `lsst.afw.table.SourceRecord` Catalog record for the source being measured. exposure : `lsst.afw.image.Exposure` Exposure on which the source is being measured. center : `lsst.geom.Point2D` Pixel coordinates of the object. Raises ------ MeasurementError Raised if the measurement fails for a known/justifiable reason.
Reimplemented in lsst.meas.base.plugins.VariancePlugin, lsst.meas.base.plugins.InputCountPlugin, lsst.meas.base.plugins.EvaluateLocalPhotoCalibPlugin, and lsst.meas.base.plugins.EvaluateLocalWcsPlugin.
Definition at line 549 of file wrappers.py.
lsst.meas.base.wrappers.GenericPlugin.measureN | ( | self, | |
measCat, | |||
exposure, | |||
refCat, | |||
refWcs ) |
Measure multiple sources. It is the responsibility of this method to perform the desired measurement and record the result in the `measCat`. Parameters ---------- measCat : `lsst.afw.table.SourceCatalog` Catalog for the sources being measured. exposure : `lsst.afw.image.Exposure` Exposure on which the source is being measured. refCat : `lsst.afw.table.SourceCatalog` Reference catalog. refWcs : `lsst.afw.image.Wcs` Astrometric solution for the reference image. Raises ------ MeasurementError Raised if the measurement fails for a known/justifiable reason.
Definition at line 571 of file wrappers.py.
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protected |
Definition at line 547 of file wrappers.py.
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protected |
Definition at line 630 of file wrappers.py.
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static |
Definition at line 539 of file wrappers.py.