// Gmsh - Copyright (C) 1997-2011 C. Geuzaine, J.-F. Remacle
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to <gmsh@geuz.org>.

#ifndef _MVERTEXBOUNDARYLAYERDATA_H_
#define _MVERTEXBOUNDARYLAYERDATA_H_

#include <vector>

class MVertex;

/* A simple data structure to keep track of the "children" of
 * vertices in a boundary layer meshes.
 * 
 * It should be filled for each MVertex on the boundary of the
 * geometry with the vertices along the normal direction, in order.
 */
class MVertexBoundaryLayerData {

 private:
  std::vector<std::vector<MVertex*> > children;

 public:
  std::vector<MVertex*>* getChildren(int i);
  int getNumChildren(int i);

  int getNumChildrenFamilies();
  void addChildrenFamily(std::vector<MVertex*> family);
};


#endif