gmFileExtraNodes.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together 
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND, 
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR 
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_FILE_EXTRA_NODES_H_
#define _GEMA_FILE_EXTRA_NODES_H_

#include <QVector>
#include <assert.h>

#include <gmCell.h>

class GmCellMesh;
class GmCellGroupSet;
class GmFileFormat;


class GmFileExtraNodes
{
public:
  GmFileExtraNodes(const GmFileFormat* fileFormat, const GmCellMesh* mesh,  
                   bool activeOnly, const GmCellGroupSet* group, int numMeshNodes);

  int numNodes() const { return _extraNodes.size(); }

  const QPair<int, int>& edgeNodes(int i) const { return _extraNodes[i]; }

  void resetNext() { _currentIndex = _firstIndex; }

  int nextNodeIndex() { return _currentIndex++; }

  int lastNodeIndex() const { return _firstIndex + _extraNodes.size() - 1; }

  static bool transformationExists(GmCellType cellType)
  {
    return (cellType == GM_INT2DL6 || cellType == GM_INT2DQ6 || cellType == GM_INT3DL12 || cellType == GM_INT3DQ16);
  }

private:
  QVector<QPair<int, int> > _extraNodes; // Set of extra nodes created for element transformations

  int _firstIndex;   
  int _currentIndex; 
};

#endif