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diff --git a/tags/START/glagen/3d/triangle.hh b/tags/START/glagen/3d/triangle.hh
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+++ b/tags/START/glagen/3d/triangle.hh
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+//=============================================================================
+//
+// Glagen : a planet sized landscape generator
+// Copyright (C) 2002  Julien Guertault, Hugues Hiegel, Meng-Tih Lam
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License
+// as published by the Free Software Foundation; either version 2
+// of the License, or (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+//
+//=============================================================================
+//
+// Glagen : GPL LAndscape GENerator
+//
+// triangle.hh for Glagen : made by Zavie (Julien Guertault)
+//
+// www.glagen.org
+//
+//=============================================================================
+
+#ifndef		TRIANGLE_HH_
+# define	TRIANGLE_HH_
+
+#include	<cstdlib>
+#include	"data_glagen.hh"
+#include	"dot.hh"
+#include	"vector.hh"
+
+class		Triangle
+{
+public:
+
+  //Constructor and destructor
+  Triangle (class Dot *, class Dot *, class Dot *, Triangle *);
+  ~Triangle ();
+
+  // Read
+  unsigned int	Level () const;
+
+  Dot		*A () const;
+  Dot		*B () const;
+  Dot		*C () const;
+
+  Triangle	*Neighbor_ab () const;
+  Triangle	*Neighbor_bc () const;
+  Triangle	*Neighbor_ca () const;
+
+  Triangle	*Father () const;
+
+  Triangle	*Child_a() const;
+  Triangle	*Child_b() const;
+  Triangle	*Child_c() const;
+  Triangle	*Child_center() const;
+  Triangle	*Child (Dot *match) const;
+
+  Vector	&Normal ();
+  Vector	&Normal_real ();
+
+  float		Size () const;
+  bool		Is_split () const;
+  bool		Is_checked () const;
+  float		To_split () const;
+  bool		Is_visible () const;
+
+  // Write
+  void		Make_connexity (Triangle *);
+  void		Del_connexity (Triangle *);
+  void		Split ();
+  void		Check_T ();
+  void		Merge ();
+  void		Merge_simple ();
+  void		Front_attack (Dot *, Dot *);
+  void		Split_visitor ();
+  bool		Hide_visitor ();
+  void		Child_dead (Triangle *);
+  void		Checked ();
+
+  // Other
+  void		Split_neighbor ();
+  void		Update_normal ();
+  void		Update_normal_visitor ();
+  bool		T_case (const unsigned int);
+  void		Display (const unsigned int);
+
+protected:
+  unsigned int	_level;
+
+  Dot		*_a;
+  Dot		*_b;
+  Dot		*_c;
+
+  Triangle	*_neighbor_ab;
+  Triangle	*_neighbor_bc;
+  Triangle	*_neighbor_ca;
+
+  Triangle	*_father;
+
+  Triangle	*_child_a;
+  Triangle	*_child_b;
+  Triangle	*_child_c;
+  Triangle	*_child_center;
+
+  bool		_visible;
+
+  Vector	_center;
+  Vector	_normal;
+  Vector	_normal_real;
+  float		_size;
+
+  char		step;
+};
+
+#endif		// TRIANGLE_HH_