MeshReader.h
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	#ifndef MESH_READER_H
	#define MESH_READER_H

	#include "Array2D.h"
	#include "MatrixDef.h"
	#include "MatrixLibrary.h"
	#include "ATC_Error.h"
	#include "FE_Mesh.h"
	#include <sstream>
	#include <set>
	#include <utility>
	#include <string>

	namespace ATC {

	class MeshReader {

	public:
	/** constructor, takes a filename */
	MeshReader(std::string filename, Array<bool> periodicity, double tol=1.e-8);

	/** destructor */
	~MeshReader();

	/** creates handle to new mesh object */
	FE_Mesh* create_mesh();

	private:
	int number_of_vertices(std::string str);

	/** reads .mesh format file */
	void read_mesh_file();

	/** reads .exo format file */
	void read_exo_file();

	/** Data members for storing necessary information */
	std::string meshfile_;
	ATC_matrix::Array<bool> periodicity_;
	std::string elementType_;
	int nNodes_;
	int nElements_;
	int nNodeSets_;
	ATC_matrix::Array2D<int> * conn_;
	DENS_MAT * nodeCoords_;
	ATC_matrix::Array<std::pair<std::string,std::set<int> > > * nodeSets_;
	};

	} // end namespace ATC

	#endif