ProcessSpherigon.h

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////////////////////////////////////////////////////////////////////////////////
//
//  File: ProcessSpherigon.h
//
//  For more information, please see: http://www.nektar.info/
//
//  The MIT License
//
//  Copyright (c) 2006 Division of Applied Mathematics, Brown University (USA),
//  Department of Aeronautics, Imperial College London (UK), and Scientific
//  Computing and Imaging Institute, University of Utah (USA).
//
//  Permission is hereby granted, free of charge, to any person obtaining a
//  copy of this software and associated documentation files (the "Software"),
//  to deal in the Software without restriction, including without limitation
//  the rights to use, copy, modify, merge, publish, distribute, sublicense,
//  and/or sell copies of the Software, and to permit persons to whom the
//  Software is furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included
//  in all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
//  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//  DEALINGS IN THE SOFTWARE.
//
//  Description: Refine boundary layer of elements.
//
////////////////////////////////////////////////////////////////////////////////

#ifndef UTILITIES_NEKMESH_PROCESSJAC
#define UTILITIES_NEKMESH_PROCESSJAC


#include <NekMeshUtils/Module/Module.h>
#include "../InputModules/InputPly.h"

namespace Nektar
{
namespace Utilities
{

class ProcessSpherigon : public NekMeshUtils::ProcessModule
{
public:
    /// Creates an instance of this class
    static std::shared_ptr<Module> create(NekMeshUtils::MeshSharedPtr m)
    {
        return MemoryManager<ProcessSpherigon>::AllocateSharedPtr(m);
    }
    static NekMeshUtils::ModuleKey className;

    ProcessSpherigon(NekMeshUtils::MeshSharedPtr m);
    virtual ~ProcessSpherigon();

    /// Write mesh to output file.
    virtual void Process();

protected:

    void  GenerateNormals(std::vector<NekMeshUtils::ElementSharedPtr> &el,
                            NekMeshUtils::MeshSharedPtr &mesh);
    NekDouble CrossProdMag (NekMeshUtils::Node &a, NekMeshUtils::Node &b);
    void   UnitCrossProd   (NekMeshUtils::Node &a, NekMeshUtils::Node &b, NekMeshUtils::Node &c);
    NekDouble Blend        (NekDouble r);
    void   SuperBlend      (std::vector<NekDouble> &r,
                            std::vector<NekMeshUtils::Node>   &Q,
                            NekMeshUtils::Node           &P,
                            std::vector<NekDouble> &blend);

    void  FindNormalFromPlyFile(NekMeshUtils::MeshSharedPtr &plymesh,
                                std::map<int,NekMeshUtils::NodeSharedPtr> &surfverts);
};

}
}

#endif