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Wed, Dec 11, 19:28

mesh_io_msh.hh
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/**
* @file mesh_io_msh.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Oct 11 2012
* @date last modification: Thu Nov 01 2012
*
* @brief Read/Write for MSH files
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* IOHelper 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 3 of the License, or (at your option) any
* later version.
*
* IOHelper 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
* along with IOHelper. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MESH_IO_MSH_HH__
#define __AKANTU_MESH_IO_MSH_HH__
/* -------------------------------------------------------------------------- */
#include <vector>
#include <map>
/* -------------------------------------------------------------------------- */
class MeshIOMSH {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
public:
/// MSH element types
enum MSHElementType {
_msh_not_defined = 0,
_msh_segment_2 = 1, // 2-node line.
_msh_triangle_3 = 2, // 3-node triangle.
_msh_quadrangle_4 = 3, // 4-node quadrangle.
_msh_tetrahedron_4 = 4, // 4-node tetrahedron.
_msh_hexahedron_8 = 5, // 8-node hexahedron.
_msh_prism_1 = 6, // 6-node prism.
_msh_pyramid_1 = 7, // 5-node pyramid.
_msh_segment_3 = 8, // 3-node second order line
_msh_triangle_6 = 9, // 6-node second order triangle
_msh_quadrangle_9 = 10, // 9-node second order quadrangle
_msh_tetrahedron_10 = 11, // 10-node second order tetrahedron
_msh_hexahedron_27 = 12, // 27-node second order hexahedron
_msh_prism_18 = 13, // 18-node second order prism
_msh_pyramid_14 = 14, // 14-node second order pyramid
_msh_point = 15, // 1-node point.
_msh_quadrangle_8 = 16 // 8-node second order quadrangle
};
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MeshIOMSH();
virtual ~MeshIOMSH();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// read a mesh from the file
virtual void read(const std::string & filename,
unsigned int spatial_dimension,
MSHElementType selected_type,
std::vector<double> & nodes,
std::vector<int> & connectivites);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
#define MAX_NUMBER_OF_NODE_PER_ELEMENT 10 // tetrahedron of second order
/// order in witch element as to be read
std::map<MSHElementType, unsigned int *> _read_order;
public:
/// number of nodes per msh element
std::map<MSHElementType, unsigned int> _msh_nodes_per_elem;
};
#endif /* __AKANTU_MESH_IO_MSH_HH__ */

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