wcsUtils.h

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// -*- lsst-c++ -*-
 
/*
 * LSST Data Management System
 * Copyright 2018 LSST Corporation.
 *
 * 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_AFW_TABLE_WCSUTILS_H
#define LSST_AFW_TABLE_WCSUTILS_H
 
#include "lsst/afw/geom/SkyWcs.h"
 
namespace lsst {
namespace afw {
namespace table {

template <typename ReferenceCollection>
void updateRefCentroids(geom::SkyWcs const& wcs, ReferenceCollection& refList);

template <typename SourceCollection>
void updateSourceCoords(geom::SkyWcs const& wcs, SourceCollection& sourceList, bool include_covariance=true);

template <typename t>
Eigen::Matrix<t, 2, 2> calculateCoordCovariance(geom::SkyWcs const& wcs, lsst::geom::Point2D center,
                                                Eigen::Matrix<t, 2, 2> err,
                                                double factor = lsst::geom::PI / 180.0);

std::pair<std::tuple<double, double>, std::tuple<double, double, double>> convertCentroid(
        geom::SkyWcs const& wcs, double x, double y, double xErr, double yErr, double xy_covariance = 0);
 
}  // namespace table
}  // namespace afw
}  // namespace lsst
 
#endif  // #ifndef LSST_AFW_TABLE_WCSUTILS_H