ProcessDetectSurf.h

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////////////////////////////////////////////////////////////////////////////////
//
//  File: ProcessDetectSurf.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).
//
//  License for the specific language governing rights and limitations under
//  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,
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//
//  Description: Extract one or more surfaces from mesh.
//
////////////////////////////////////////////////////////////////////////////////

#ifndef UTILITIES_NEKMESH_PROCESSEXTRACTSURF
#define UTILITIES_NEKMESH_PROCESSEXTRACTSURF

#include <NekMeshUtils/Module/Module.h>

namespace Nektar
{
namespace Utilities
{

/**
 * @brief This processing module calculates the Jacobian of elements
 * using %SpatialDomains::GeomFactors and the %Element::GetGeom
 * method. For now it simply prints a list of elements which have
 * negative Jacobian.
 */
class ProcessDetectSurf : public NekMeshUtils::ProcessModule
{
public:
    /// Creates an instance of this class
    static boost::shared_ptr<Module> create(NekMeshUtils::MeshSharedPtr m)
    {
        return MemoryManager<ProcessDetectSurf>::AllocateSharedPtr(m);
    }
    static NekMeshUtils::ModuleKey className;

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

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

private:
    void FindContiguousSurface(NekMeshUtils::ElementSharedPtr start,
                               std::set<int> &doneIds,
                               std::vector<NekMeshUtils::ElementSharedPtr> &block);
};
}
}

#endif