ReferenceMesh.hpp

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/* *****************************************************************
    MESQUITE -- The Mesh Quality Improvement Toolkit

    Copyright 2006 Sandia National Laboratories.  Developed at the
    University of Wisconsin--Madison under SNL contract number
    624796.  The U.S. Government and the University of Wisconsin
    retain certain rights to this software.

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    (lgpl.txt) along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    (2006) [email protected]

  ***************************************************************** */

/** \file ReferenceMesh.hpp
 *  \brief
 *  \author Jason Kraftcheck
 */

#ifndef MSQ_REFERENCE_MESH_HPP
#define MSQ_REFERENCE_MESH_HPP

#include "Mesquite.hpp"
#include "MsqVertex.hpp"
#include "MeshInterface.hpp"

namespace MBMesquite
{

class Mesh;

/**\brief Class for accessing reference element topology.
 *
 * This class is provided in order to access reference elements
 * for target calculators, where there is a static 1-to-1 mapping
 * between vertices in the active mesh and vertices in the
 * reference mesh.
 */
class MESQUITE_EXPORT ReferenceMeshInterface
{
  public:
    virtual ~ReferenceMeshInterface();

    virtual void get_reference_vertex_coordinates( const Mesh::VertexHandle* vertices,
                                                   size_t num_vertices,
                                                   Vector3D* coordinates_out,
                                                   MsqError& err ) = 0;
};

class ReferenceMesh : public ReferenceMeshInterface
{
  public:
    MESQUITE_EXPORT ReferenceMesh( Mesh* mesh ) : mMesh( mesh ) {}
    MESQUITE_EXPORT virtual ~ReferenceMesh();

    MESQUITE_EXPORT virtual void get_reference_vertex_coordinates( const Mesh::VertexHandle* vertices,
                                                                   size_t num_vertices,
                                                                   Vector3D* coordinates_out,
                                                                   MsqError& err );

  private:
    Mesh* mMesh;
    std::vector< MsqVertex > tmpStorage;
};

}  // namespace MBMesquite

#endif