Mesh2DGenerateGlobal.hpp

//---- GPL ---------------------------------------------------------------------
//
// Copyright (C)  Stichting Deltares, 2011-2023.
//
// 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 version 3.
//
// 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 GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
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// Stichting Deltares
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//------------------------------------------------------------------------------
 
#pragma once
#include <array>
#include <utility>
 
#include "MeshKernel/Definitions.hpp"
#include "MeshKernel/Mesh2D.hpp"
#include "MeshKernel/Point.hpp"
 
namespace meshkernel
{
    class Mesh2DGenerateGlobal
    {
    public:
        static std::unique_ptr<Mesh2D> Compute(const UInt numLongitudeNodes, const UInt numLatitudeNodes, const Projection projection);
 
    private:
        enum class GridExpansionDirection
        {
            Northwards = 1,
            Southwards = -1
        };
 
        static double DeltaLatitude(const double currentLatitude, const double longitudeDiscretization);
 
        static UInt NodeIndexFromPosition(const Mesh& mesh, const Point& position);
 
        static void AddFace(Mesh& mesh, const std::array<Point, 5>& points, const GridExpansionDirection growingDirection, const UInt numNodes);
 
        static constexpr UInt numIterations = 5;                  
        static constexpr double toleranceDeltaLatitude = 1.0e-14; 
    };
} // namespace meshkernel