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LSSTDataManagementBasePackage
Public Member Functions | List of all members
lsst::meas::base::SimpleAlgorithm Class Reference

#include <Algorithm.h>

Inheritance diagram for lsst::meas::base::SimpleAlgorithm:
lsst::meas::base::SingleFrameAlgorithm lsst::meas::base::ForcedAlgorithm lsst::meas::base::BaseAlgorithm lsst::meas::base::BaseAlgorithm lsst::meas::base::ApertureFluxAlgorithm lsst::meas::base::GaussianCentroidAlgorithm lsst::meas::base::GaussianFluxAlgorithm lsst::meas::base::NaiveCentroidAlgorithm lsst::meas::base::NaiveFluxAlgorithm lsst::meas::base::PeakLikelihoodFluxAlgorithm lsst::meas::base::PixelFlagsAlgorithm lsst::meas::base::PsfFluxAlgorithm lsst::meas::base::SdssCentroidAlgorithm lsst::meas::base::SdssShapeAlgorithm lsst::meas::base::SincFluxAlgorithm

Public Member Functions

virtual void measure (afw::table::SourceRecord &measRecord, afw::image::Exposure< float > const &exposure, afw::table::SourceRecord const &refRecord, afw::image::Wcs const &refWcs) const
 
virtual void measureN (afw::table::SourceCatalog const &measCat, afw::image::Exposure< float > const &exposure, afw::table::SourceCatalog const &refRecord, afw::image::Wcs const &refWcs) const
 
- Public Member Functions inherited from lsst::meas::base::SingleFrameAlgorithm
virtual void measure (afw::table::SourceRecord &measRecord, afw::image::Exposure< float > const &exposure) const =0
 
virtual void measureN (afw::table::SourceCatalog const &measCat, afw::image::Exposure< float > const &exposure) const
 
- Public Member Functions inherited from lsst::meas::base::BaseAlgorithm
virtual void fail (afw::table::SourceRecord &measRecord, MeasurementError *error=NULL) const =0
 
virtual ~BaseAlgorithm ()
 

Detailed Description

An abstract base classes for which the same implementation can be used for both SingleFrameAlgorithm and ForcedAlgorithm.

SimpleAlgorithm allows a ForcedAlgorithm to be defined using the measure() and measureN() signatures of SingleFrameAlgorithm. It should be used for any algorithm for whichi the forced version of the algorithm does not require anything to be transformed beyond the centroid and shape, and for which the the parameters being fit are the same for both single-frame and forced measurement. This should be the case for all flux algorithms that don't involve fitting any additional model parameters. It can also be used for centroid and shape algorithms, where having a version that can re-measure values in forced mode may be useful for diagnostic purposes even if it is not useful for science.

Definition at line 177 of file Algorithm.h.

Member Function Documentation

virtual void lsst::meas::base::SimpleAlgorithm::measure ( afw::table::SourceRecord &  measRecord,
afw::image::Exposure< float > const &  exposure,
afw::table::SourceRecord const &  refRecord,
afw::image::Wcs const &  refWcs 
) const
inlinevirtual

Called to measure a single child source in an image.

Before this method is called, all neighbors will be replaced with noise, using the outputs of the deblender. Outputs should be saved in the given SourceRecord, which can also be used to obtain centroid (see SafeCentroidExtractor) and shape (see SafeShapeExtractor) information.

Implements lsst::meas::base::ForcedAlgorithm.

Definition at line 183 of file Algorithm.h.

188  {
189  measure(measRecord, exposure);
190  }
lsst::meas::base::SimpleAlgorithm::measure
virtual void measure(afw::table::SourceRecord &measRecord, afw::image::Exposure< float > const &exposure, afw::table::SourceRecord const &refRecord, afw::image::Wcs const &refWcs) const
Definition: Algorithm.h:183
virtual void lsst::meas::base::SimpleAlgorithm::measureN ( afw::table::SourceCatalog const &  measCat,
afw::image::Exposure< float > const &  exposure,
afw::table::SourceCatalog const &  refRecord,
afw::image::Wcs const &  refWcs 
) const
inlinevirtual

Called to simultaneously measure all children in a deblend family, in a single image.

Outputs should be saved in the given SourceCatalog, which can also be used to obtain centroid (see SafeCentroidExtractor) and shape (see SafeShapeExtractor) information.

The default implementation simply throws an exception, indicating that simultaneous measurement is not supported.

Reimplemented from lsst::meas::base::ForcedAlgorithm.

Definition at line 192 of file Algorithm.h.

197  {
198  measureN(measCat, exposure);
199  }
lsst::meas::base::SimpleAlgorithm::measureN
virtual void measureN(afw::table::SourceCatalog const &measCat, afw::image::Exposure< float > const &exposure, afw::table::SourceCatalog const &refRecord, afw::image::Wcs const &refWcs) const
Definition: Algorithm.h:192
The documentation for this class was generated from the following file:
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