Point.h

Go to the documentation of this file.

// -*- lsst-c++ -*-

/* 
 * LSST Data Management System
 * Copyright 2008, 2009, 2010 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_AP_POINT_H
#define LSST_AP_POINT_H

#include "lsst/afw/math/Random.h"

namespace lsst { namespace ap {

struct Point {

    double _ra;
    double _dec;

    Point() : _ra(0.0), _dec(0.0) {}
    Point(double const ra, double const dec) : _ra(ra), _dec(dec) {}

    Point & perturb(lsst::afw::math::Random & rng, double const sigma);
    Point & perturb(lsst::afw::math::Random & rng, double const sigma, double pa);

    double distance(Point const & p) const;

    static Point const random(lsst::afw::math::Random & rng);

    static Point const random(
        lsst::afw::math::Random & rng,
        double const decMin,
        double const decMax
    );

    static Point const random(
        lsst::afw::math::Random & rng, 
        double const raMin,
        double const raMax,
        double const decMin,
        double const decMax
    );
};

}} // end of namespace lsst::ap

#endif // LSST_AP_POINT_H