PsfFlux.h

Go to the documentation of this file.

// -*- lsst-c++ -*-
/*
 * LSST Data Management System
 * Copyright 2008-2015 AURA/LSST.
 *
 * This product includes software developed by the
 * LSST Project (http://www.lsst.org/).
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the LSST License Statement and
 * the GNU General Public License along with this program.  If not,
 * see <http://www.lsstcorp.org/LegalNotices/>.
 */
 
#ifndef LSST_MEAS_BASE_PsfFlux_h_INCLUDED
#define LSST_MEAS_BASE_PsfFlux_h_INCLUDED
 
#include "lsst/pex/config.h"
#include "lsst/meas/base/Algorithm.h"
#include "lsst/meas/base/FluxUtilities.h"
#include "lsst/meas/base/FlagHandler.h"
#include "lsst/meas/base/InputUtilities.h"
#include "lsst/meas/base/Transform.h"
 
namespace lsst {
namespace meas {
namespace base {

class PsfFluxControl {
public:
    LSST_CONTROL_FIELD(badMaskPlanes, std::vector<std::string>,
                       "Mask planes that indicate pixels that should be excluded from the fit");

    PsfFluxControl() {}
};

class PsfFluxAlgorithm : public SimpleAlgorithm {
public:
    // Structures and routines to manage flaghandler
    static FlagDefinitionList const& getFlagDefinitions();
    static FlagDefinition const FAILURE;
    static FlagDefinition const NO_GOOD_PIXELS;
    static FlagDefinition const EDGE;

    typedef PsfFluxControl Control;
 
    PsfFluxAlgorithm(Control const& ctrl, std::string const& name, afw::table::Schema& schema,
                     std::string const& logName = "");
 
    virtual void measure(afw::table::SourceRecord& measRecord,
                         afw::image::Exposure<float> const& exposure) const;
 
    virtual void fail(afw::table::SourceRecord& measRecord, MeasurementError* error = nullptr) const;
 
private:
    Control _ctrl;
    FluxResultKey _instFluxResultKey;
    afw::table::Key<float> _areaKey;   // effective area of PSF
    afw::table::Key<float> _chi2Key;   // chi2 of the fitted PSF
    afw::table::Key<int> _npixelsKey;  // number of pixels that were included in the PSF fit
    FlagHandler _flagHandler;
    SafeCentroidExtractor _centroidExtractor;
};
 
class PsfFluxTransform : public FluxTransform {
public:
    typedef PsfFluxControl Control;
    PsfFluxTransform(Control const& ctrl, std::string const& name, afw::table::SchemaMapper& mapper);
};
 
}  // namespace base
}  // namespace meas
}  // namespace lsst
 
#endif  // !LSST_MEAS_BASE_PsfFlux_h_INCLUDED