lsst::meas::base::SdssCentroidTransform Class Reference

#include <SdssCentroid.h>

Inheritance diagram for lsst::meas::base::SdssCentroidTransform:

Public Types
typedef SdssCentroidControl	Control

Public Member Functions
	SdssCentroidTransform (Control const &ctrl, std::string const &name, afw::table::SchemaMapper &mapper)
virtual void	operator() (afw::table::SourceCatalog const &inputCatalog, afw::table::BaseCatalog &outputCatalog, afw::geom::SkyWcs const &wcs, afw::image::PhotoCalib const &photoCalib) const

Protected Member Functions
void	checkCatalogSize (afw::table::BaseCatalog const &cat1, afw::table::BaseCatalog const &cat2) const
	Ensure that catalogs have the same size. More...

Protected Attributes
std::string	_name

Detailed Description

Definition at line 98 of file SdssCentroid.h.

Member Typedef Documentation

Control

typedef SdssCentroidControl lsst::meas::base::SdssCentroidTransform::Control

Definition at line 100 of file SdssCentroid.h.

Constructor & Destructor Documentation

SdssCentroidTransform()

lsst::meas::base::SdssCentroidTransform::SdssCentroidTransform	(	Control const &	ctrl,
		std::string const &	name,
		afw::table::SchemaMapper &	mapper
	)

Definition at line 508 of file SdssCentroid.cc.

        : CentroidTransform{name, mapper} {
    for (std::size_t i = 0; i < SdssCentroidAlgorithm::getFlagDefinitions().size(); i++) {
        FlagDefinition const &flag = SdssCentroidAlgorithm::getFlagDefinitions()[i];
        if (flag == SdssCentroidAlgorithm::FAILURE) continue;
        if (mapper.getInputSchema().getNames().count(mapper.getInputSchema().join(name, flag.name)) == 0)
            continue;
        afw::table::Key<afw::table::Flag> key =
                mapper.getInputSchema().find<afw::table::Flag>(name + "_" + flag.name).key;
        mapper.addMapping(key);
    }
}

Member Function Documentation

checkCatalogSize()

void lsst::meas::base::BaseTransform::checkCatalogSize ( afw::table::BaseCatalog const &  cat1, afw::table::BaseCatalog const &  cat2  ) const

inlineprotectedinherited

Ensure that catalogs have the same size.

Parameters

[in]	cat1	Catalog for comparison
[in]	cat2	Catalog for comparison

Exceptions

LengthError

Catalog sizes do not match

Definition at line 102 of file Transform.h.

                                                                                                  {
        if (cat1.size() != cat2.size()) {
            throw LSST_EXCEPT(pex::exceptions::LengthError, "Catalog size mismatch");
        }
    }

operator()()

void lsst::meas::base::CentroidTransform::operator() ( afw::table::SourceCatalog const &  inputCatalog, afw::table::BaseCatalog &  outputCatalog, afw::geom::SkyWcs const &  wcs, afw::image::PhotoCalib const &  photoCalib  ) const

virtualinherited

Implements lsst::meas::base::BaseTransform.

Definition at line 144 of file CentroidUtilities.cc.

                                                                               {
    checkCatalogSize(inputCatalog, outputCatalog);
    CentroidResultKey centroidResultKey(inputCatalog.getSchema()[_name]);
 
    afw::table::SourceCatalog::const_iterator inSrc = inputCatalog.begin();
    afw::table::BaseCatalog::iterator outSrc = outputCatalog.begin();
 
    for (; inSrc != inputCatalog.end() && outSrc != outputCatalog.end(); ++inSrc, ++outSrc) {
        CentroidResult centroidResult = centroidResultKey.get(*inSrc);
 
        _coordKey.set(*outSrc, wcs.pixelToSky(centroidResult.getCentroid()));
 
        if (centroidResultKey.getCentroidErr().isValid()) {
            CentroidCov centroidCov = centroidResult.getCentroidErr();
            if (!(std::isnan(centroidCov(0, 0)) || std::isnan(centroidCov(1, 1)))) {
                auto transform = wcs.linearizePixelToSky(centroidResult.getCentroid(), geom::radians)
                                         .getLinear()
                                         .getMatrix();
                _coordErrKey.set(*outSrc, (transform * centroidResult.getCentroidErr().cast<double>() *
                                           transform.transpose())
                                                  .cast<ErrElement>());
            }
        }
    }
}

Member Data Documentation

_name

std::string lsst::meas::base::BaseTransform::_name

protectedinherited

Definition at line 107 of file Transform.h.

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

• /j/snowflake/release/lsstsw/stack/1a1d771/Linux64/meas_base/20.0.0/include/lsst/meas/base/SdssCentroid.h
• /j/snowflake/release/lsstsw/stack/1a1d771/Linux64/meas_base/20.0.0/src/SdssCentroid.cc