lsst::ip::diffim::NaiveDipoleCentroid Class Reference

Inheritance diagram for lsst::ip::diffim::NaiveDipoleCentroid:

Public Member Functions
	NaiveDipoleCentroid (NaiveDipoleCentroidControl const &ctrl, afw::table::Schema &schema)
Public Member Functions inherited from lsst::ip::diffim::DipoleCentroidAlgorithm
DipoleCentroidControl const &	getControl () const
	Return a clone of the control object used to construct the algorithm. More...
KeyTuple const &	getPositiveKeys () const
	Return the standard centroid keys registered by this algorithm. More...
KeyTuple const &	getNegativeKeys () const
Public Member Functions inherited from lsst::meas::algorithms::Algorithm
	Algorithm (AlgorithmControl const &ctrl)
virtual	~Algorithm ()
AlgorithmControl const &	getControl () const
	Return a clone of the control object used to construct the algorithm. More...
template<typename PixelT >
void	apply (afw::table::SourceRecord &source, afw::image::Exposure< PixelT > const &exposure, afw::geom::Point2D const &center) const
	Run the algorithm, filling appropriate fields in the given source. More...

Private Member Functions
template<typename PixelT >
void	_apply (afw::table::SourceRecord &source, afw::image::Exposure< PixelT > const &exposure, afw::geom::Point2D const &center) const
	LSST_MEAS_ALGORITHM_PRIVATE_INTERFACE (NaiveDipoleCentroid)

Additional Inherited Members
Public Types inherited from lsst::ip::diffim::DipoleCentroidAlgorithm
typedef afw::table::KeyTuple < afw::table::Centroid >	KeyTuple
	Tuple type that holds the keys that define a standard centroid algorithm. More...
Protected Member Functions inherited from lsst::ip::diffim::DipoleCentroidAlgorithm
	DipoleCentroidAlgorithm (DipoleCentroidControl const &ctrl, KeyTuple const &positiveKeys, KeyTuple const &negativeKeys)
	Initialize with a manually-constructed key tuple. More...
	DipoleCentroidAlgorithm (DipoleCentroidControl const &ctrl, afw::table::Schema &schema, char const *doc)
	Initialize using afw::table::addCentroid field to fill out repetitive descriptions. More...
Protected Member Functions inherited from lsst::meas::algorithms::Algorithm
template<typename PixelT >
void	_apply (afw::table::SourceRecord &source, afw::image::Exposure< PixelT > const &exposure, afw::geom::Point2D const &center) const
	Simulated virtual function that all algorithms must implement. More...

Detailed Description

A class that knows how to calculate centroids as a simple unweighted first moment of the 3x3 region around the peaks

Definition at line 79 of file dipoleAlgorithm.cc.

Constructor & Destructor Documentation

lsst::ip::diffim::NaiveDipoleCentroid::NaiveDipoleCentroid ( NaiveDipoleCentroidControl const &  ctrl, afw::table::Schema &  schema  )

inline

Definition at line 82 of file dipoleAlgorithm.cc.

                                                                                          :
        DipoleCentroidAlgorithm(ctrl, schema, "unweighted 3x3 first moment centroid")
    {}

Member Function Documentation

template<typename PixelT >

void lsst::ip::diffim::NaiveDipoleCentroid::_apply ( afw::table::SourceRecord &  source, afw::image::Exposure< PixelT > const &  exposure, afw::geom::Point2D const &  center  ) const

private

Given an image and a pixel position, return a Centroid using a naive 3x3 weighted moment

Definition at line 189 of file dipoleAlgorithm.cc.

        {
    source.set(getPositiveKeys().flag, true); // say we've failed so that's the result if we throw
    source.set(getNegativeKeys().flag, true); // say we've failed so that's the result if we throw

    afw::detection::Footprint::PeakList const& peaks = source.getFootprint()->getPeaks();

    naiveCentroid(source, exposure, peaks[0]->getI(), (peaks[0]->getPeakValue() >= 0 ? 
                                                       getPositiveKeys() : 
                                                       getNegativeKeys()));
    if (peaks.size() > 1) {
        naiveCentroid(source, exposure, peaks[1]->getI(), (peaks[1]->getPeakValue() >= 0 ? 
                                                           getPositiveKeys() :
                                                           getNegativeKeys()));
    }
}

lsst::ip::diffim::NaiveDipoleCentroid::LSST_MEAS_ALGORITHM_PRIVATE_INTERFACE ( NaiveDipoleCentroid  )

private

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The documentation for this class was generated from the following file:

• /lsst/home/lsstsw/stack/Linux64/ip_diffim/master-gcec1da163f+63/src/dipoleAlgorithm.cc