SphericalPolygon.h

/*
 * (C) Copyright 2013 ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation
 * nor does it submit to any jurisdiction.
 */

#pragma once

#include <vector>

#include "atlas/util/Polygon.h"

namespace atlas {
namespace util {

class PartitionPolygon;
//------------------------------------------------------------------------------------------------------

class SphericalPolygon : public PolygonCoordinates {
public:
    SphericalPolygon( const PartitionPolygon& );

    SphericalPolygon( const std::vector<PointLonLat>& points );

    /*
   * Point-in-polygon test based on winding number
   * @note reference <a
   * href="http://geomalgorithms.com/a03-_inclusion.html">Inclusion of a Point
   * in a Polygon</a>
   * @param[in] P given point in (lon,lat) coordinates
   * @return if point is in polygon
   */
    bool contains( const Point2& lonlat ) const override;
};

//------------------------------------------------------------------------------------------------------

}  // namespace util
}  // namespace atlas