Transform.h

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// -*- 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_Transform_h_INCLUDED
#define LSST_MEAS_BASE_Transform_h_INCLUDED

 
#include <string>
#include "lsst/afw/geom.h"
#include "lsst/afw/image.h"
#include "lsst/afw/image/PhotoCalib.h"
#include "lsst/afw/table.h"
#include "lsst/pex/exceptions.h"
 
namespace lsst {
namespace meas {
namespace base {

class BaseTransform {
public:
    explicit BaseTransform(std::string const& name) : _name(name) {}
    virtual ~BaseTransform() {}
    virtual void operator()(afw::table::SourceCatalog const& inputCatalog,
                            afw::table::BaseCatalog& outputCatalog, afw::geom::SkyWcs const& wcs,
                            afw::image::PhotoCalib const& photoCalib) const = 0;
 
protected:
    void checkCatalogSize(afw::table::BaseCatalog const& cat1, afw::table::BaseCatalog const& cat2) const {
        if (cat1.size() != cat2.size()) {
            throw LSST_EXCEPT(pex::exceptions::LengthError, "Catalog size mismatch");
        }
    }
    std::string _name;
};
 
}  // namespace base
}  // namespace meas
}  // namespace lsst
 
#endif  // !LSST_MEAS_BASE_Transform_h_INCLUDED