Merge branch 'develop' of cgogn:~thery/CGoGN into develop

Conflicts:
	include/Algo/Decimation/decimation.hpp
	include/Algo/Import/import2tablesSurface.hpp
	include/Algo/Modelisation/subdivision.hpp
	include/Algo/Selection/collector.hpp

Apps/Benches/CMakeLists.txt

+cmake_minimum_required(VERSION 2.8)
+
+project(examples)
+
+SET(CMAKE_BUILD_TYPE Release)
+#SET(CMAKE_BUILD_TYPE Debug)
+
+
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DNOTOPOWARNING")
+
+
+# define includes path
+include_directories(
+	${CMAKE_CURRENT_BINARY_DIR}
+	${CGoGN_ROOT_DIR}/include
+	${CGoGN_EXT_INCLUDES}
+)
+
+# define libs path
+IF(WIN32)
+	link_directories( ${CGoGN_ROOT_DIR}/lib/$(ConfigurationName) ${Boost_LIBRARY_DIRS} )
+ELSE(WIN32)
+	link_directories( ${CGoGN_ROOT_DIR}/lib/Release )
+ENDIF(WIN32)
+
+
+add_executable(bench_trav bench_trav.cpp )
+target_link_libraries( bench_trav ${CGoGN_LIBS_R} ${CGoGN_EXT_LIBS} )
+
+add_executable(bench_remesh bench_remesh.cpp )
+target_link_libraries( bench_remesh ${CGoGN_LIBS_R} ${CGoGN_EXT_LIBS} )
+
+add_executable(bench_compact bench_compact.cpp )
+target_link_libraries( bench_compact ${CGoGN_LIBS_R} ${CGoGN_EXT_LIBS} )

Apps/Benches/bench_compact.cpp

+#include "Topology/generic/parameters.h"
+#include "Topology/map/embeddedMap2.h"
+
+#include "Geometry/vector_gen.h"
+
+#include "Algo/Import/import.h"
+#include "Algo/Export/export.h"
+
+#include "Algo/Geometry/boundingbox.h"
+#include "Algo/Geometry/normal.h"
+
+#include "Algo/Modelisation/subdivision.h"
+#include "Algo/Decimation/decimation.h"
+
+#include "Utils/chrono.h"
+#include "Algo/Filtering/average.h"
+
+using namespace CGoGN ;
+
+struct PFP: public PFP_STANDARD
+{
+	// definition of the map
+	typedef EmbeddedMap2 MAP ;
+};
+
+typedef PFP::MAP MAP ;
+typedef PFP::VEC3 VEC3;
+
+
+int main(int argc, char **argv)
+{
+
+	if(argc != 2)
+		return 1;
+
+	MAP myMap;
+
+	std::vector<std::string> attrNames ;
+	if(!Algo::Surface::Import::importMesh<PFP>(myMap, argv[1], attrNames))
+	{
+		CGoGNerr << "could not import " << argv[1] << CGoGNendl ;
+		return 2;
+	}
+
+	VertexAttribute<PFP::VEC3, MAP> position = myMap.getAttribute<PFP::VEC3,VERTEX,MAP>( attrNames[0]) ;
+
+	FaceAttribute<VEC3, MAP> center = myMap.addAttribute<VEC3, FACE, MAP>("centerFace");
+	foreach_cell<FACE>(myMap, [&](Face f)
+	{
+		center[f] =Algo::Surface::Geometry::faceCentroid<PFP>(myMap,f,position);
+	});
+
+	EdgeAttribute<float, MAP> edge_att = myMap.addAttribute<float, EDGE, MAP>("pipoEdge");
+	foreach_cell<EDGE>(myMap, [&](Edge e)
+	{
+		edge_att[e] = position[e.dart][0];
+	});
+
+
+	Utils::Chrono chrono;
+	chrono.start();
+
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	unsigned int nbVertices = Algo::Topo::getNbOrbits<VERTEX>(myMap) ;
+
+	std::cout << "4 passes loop -> "<< std::endl;
+	std::cout << "  NB Faces "<< Algo::Topo::getNbOrbits<FACE>(myMap) << std::endl;
+	std::cout << "  NB Vertices "<< nbVertices << std::endl;
+
+	std::vector<VertexAttribute<typename PFP::VEC3, MAP> *> attr;
+	attr.push_back(&position);
+	Algo::Surface::Decimation::decimate<PFP>(myMap, Algo::Surface::Decimation::S_QEM, Algo::Surface::Decimation::A_QEM, attr, nbVertices * 0.05) ;
+
+	VertexAttribute<PFP::VEC3, MAP> normal = myMap.addAttribute<PFP::VEC3,VERTEX,MAP>( "normal") ;
+	VertexAttribute<PFP::VEC3, MAP> position2 = myMap.addAttribute<PFP::VEC3,VERTEX,MAP>( "pos2") ;
+
+	CGoGNout << "creating "<< chrono.elapsed() << " ms"<< CGoGNendl;
+
+	std::cout << "decimation 5% -> "<< std::endl;
+	std::cout << "  NB Faces "<< Algo::Topo::getNbOrbits<FACE>(myMap) << std::endl;
+	std::cout << "  NB Vertices "<<  Algo::Topo::getNbOrbits<VERTEX>(myMap) << std::endl;
+
+
+	chrono.start();
+	for (int i=0; i < 100; ++i)
+	{
+		Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
+		Algo::Surface::Geometry::computeNormalVertices<PFP>(myMap, position, normal) ;
+		Algo::Surface::Filtering::filterAverageAttribute_OneRing<PFP,PFP::VEC3>(myMap,position,position2, Algo::Surface::Filtering::INSIDE);
+		myMap.swapAttributes(position,position2);
+	}
+
+
+	CGoGNout << "BenchTime process "<< chrono.elapsed() << " ms"<< CGoGNendl;
+
+	std::cout << "Topologie fragmentation: "<<myMap.fragmentation(DART)<< std::endl;
+	std::cout << "Vertex fragmentation: "<<myMap.fragmentation(VERTEX)<< std::endl;
+	std::cout << "Face fragmentation: "<<myMap.fragmentation(FACE)<< std::endl;
+
+	chrono.start();
+	myMap.compact();
+	std::cout << std::endl << "compacting in "<< chrono.elapsed() << " ms"<< std::endl << std::endl;
+
+
+	std::cout << "Topologie fragmentation: "<<myMap.fragmentation(DART)<< std::endl;
+	std::cout << "Vertex fragmentation: "<<myMap.fragmentation(VERTEX)<< std::endl;
+	std::cout << "Face fragmentation: "<<myMap.fragmentation(FACE)<< std::endl;
+
+
+	chrono.start();
+
+	for (int i=0; i < 100; ++i)
+	{
+		Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
+		Algo::Surface::Geometry::computeNormalVertices<PFP>(myMap, position, normal) ;
+		Algo::Surface::Filtering::filterAverageAttribute_OneRing<PFP,PFP::VEC3>(myMap,position,position2, Algo::Surface::Filtering::INSIDE);
+		myMap.swapAttributes(position,position2);
+	}
+
+
+	CGoGNout << "BenchTime after compact "<< chrono.elapsed() << " ms"<< CGoGNendl;
+
+
+	Algo::Surface::Export::exportOFF<PFP>(myMap,position,"bench_res.off");
+
+	return 0;
+}

Apps/Benches/bench_remesh.cpp

+#include "Topology/generic/parameters.h"
+#include "Topology/map/embeddedMap2.h"
+
+#include "Geometry/vector_gen.h"
+
+#include "Algo/Import/import.h"
+#include "Algo/Export/export.h"
+
+#include "Algo/Geometry/boundingbox.h"
+#include "Algo/Geometry/normal.h"
+
+#include "Algo/Modelisation/subdivision.h"
+#include "Algo/Decimation/decimation.h"
+
+#include "Utils/chrono.h"
+#include "Algo/Filtering/average.h"
+
+using namespace CGoGN ;
+
+struct PFP: public PFP_STANDARD
+{
+	// definition of the map
+	typedef EmbeddedMap2 MAP ;
+};
+
+typedef PFP::MAP MAP ;
+
+
+int main(int argc, char **argv)
+{
+
+	if(argc != 2)
+		return 1;
+
+	MAP myMap;
+
+	std::vector<std::string> attrNames ;
+	if(!Algo::Surface::Import::importMesh<PFP>(myMap, argv[1], attrNames))
+	{
+		CGoGNerr << "could not import " << argv[1] << CGoGNendl ;
+		return 2;
+	}
+	VertexAttribute<PFP::VEC3, MAP> position = myMap.getAttribute<PFP::VEC3,VERTEX,MAP>( attrNames[0]) ;
+
+
+	Utils::Chrono chrono;
+
+	chrono.start();
+
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	unsigned int nbVertices = Algo::Topo::getNbOrbits<VERTEX>(myMap) ;
+
+	std::vector<VertexAttribute<typename PFP::VEC3, MAP> *> attr;
+	attr.push_back(&position);
+	Algo::Surface::Decimation::decimate<PFP>(myMap, Algo::Surface::Decimation::S_QEM, Algo::Surface::Decimation::A_QEM, attr, nbVertices * 0.1) ;
+
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	nbVertices = Algo::Topo::getNbOrbits<VERTEX>(myMap) ;
+
+	Algo::Surface::Decimation::decimate<PFP>(myMap, Algo::Surface::Decimation::S_QEM, Algo::Surface::Decimation::A_QEM, attr, nbVertices * 0.1) ;
+
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::LoopSubdivision<PFP>(myMap, position) ;
+	nbVertices = Algo::Topo::getNbOrbits<VERTEX>(myMap) ;
+
+	Algo::Surface::Decimation::decimate<PFP>(myMap, Algo::Surface::Decimation::S_QEM, Algo::Surface::Decimation::A_QEM, attr, nbVertices * 0.1) ;
+
+	Algo::Surface::Modelisation::CatmullClarkSubdivision<PFP>(myMap, position) ;
+	Algo::Surface::Modelisation::CatmullClarkSubdivision<PFP>(myMap, position) ;
+
+	CGoGNout << "BenchTime dynamic "<< chrono.elapsed() << " ms"<< CGoGNendl;
+
+	Algo::Surface::Export::exportOFF<PFP>(myMap,position,"bench_res.off");
+
+	return 0;
+}

Apps/Benches/bench_trav.cpp

+/*******************************************************************************
+* CGoGN: Combinatorial and Geometric modeling with Generic N-dimensional Maps  *
+* version 0.1                                                                  *
+* Copyright (C) 2009-2012, IGG Team, LSIIT, University of Strasbourg           *
+*                                                                              *
+* This library 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 2.1 of the License, or (at your     *
+* option) any later version.                                                   *
+*                                                                              *
+* This library 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 this library; if not, write to the Free Software Foundation,      *
+* Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.           *
+*                                                                              *
+* Web site: http://cgogn.unistra.fr/                                           *
+* Contact information: cgogn@unistra.fr                                        *
+*                                                                              *
+*******************************************************************************/
+
+
+#include "Topology/generic/parameters.h"
+#include "Topology/map/embeddedMap3.h"
+#include "Algo/Tiling/Volume/cubic.h"
+#include "Algo/Geometry/area.h"
+#include "Algo/Geometry/volume.h"
+#include "Utils/chrono.h"
+
+
+using namespace CGoGN ;
+
+/**
+ * Struct that contains some informations about the types of the manipulated objects
+ * Mainly here to be used by the algorithms that are parameterized by it
+ */
+struct PFP: public PFP_STANDARD
+{
+	// definition of the type of the map
+	typedef EmbeddedMap3 MAP;
+	typedef double REAL;
+	typedef Geom::Vector<3,REAL> VEC3;
+};
+
+typedef PFP::MAP MAP;
+typedef PFP::MAP::IMPL MAP_IMPL;
+typedef PFP::VEC3 VEC3;
+
+int main()
+{
+	// declare a map to handle the mesh
+	MAP myMap;
+
+	Utils::Chrono ch;
+	ch.start();
+	// add position attribute on vertices and get handler on it
+	VertexAttribute<VEC3, MAP> position = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
+	const int nb = 100;
+	Algo::Volume::Tilings::Cubic::Grid<PFP> cubic(myMap, nb, nb, nb);
+	cubic.embedIntoGrid(position, 10.0f, 10.0f, 10.0f);
+	std::cout<< "construct grid in " << ch.elapsed()<< " ms"<< std::endl;
+
+	ch.start();
+	VEC3 centerMesh(0,0,0);
+	int nbVols=0;
+	foreach_cell<VOLUME>(myMap, [&](Vol w) // foreach volume
+	{
+		VEC3 centerVol(0,0,0);
+		int nbFaces=0;
+		foreach_incident3<FACE>(myMap, w, [&](Face f) // foreach face of each volume
+		{
+			VEC3 centerFace(0,0,0);
+			int nbVert=0;
+			foreach_incident3<VERTEX>(myMap, f, [&](Vertex v) // foreach vertex of each face of each volume
+			{
+				centerFace += position[v];
+				nbVert++;
+			});
+			centerFace /=nbVert;
+			centerVol += centerFace;
+		});
+		centerVol /= nbFaces;
+		centerMesh += centerVol;
+	});
+	centerMesh /= nbVols;
+	CGoGNout<< "Traverse with foreach in " << ch.elapsed()<< " ms"<< CGoGNendl;
+
+
+	ch.start();
+	centerMesh=VEC3(0,0,0);
+	nbVols=0;
+	TraversorW<MAP> tw(myMap);	// alias for Traversor<MAP,VERTEX>
+	for (Dart dw=tw.begin(); dw!=tw.end(); dw=tw.next())
+	{
+		VEC3 centerVol(0,0,0);
+		int nbFaces=0;
+		Traversor3WF<MAP> trwf(myMap, dw);
+		for (Dart df = trwf.begin(); df != trwf.end(); df = trwf.next())
+		{
+			VEC3 centerFace(0,0,0);
+			int nbVert=0;
+			Traversor3FV<MAP> trfv(myMap, df);
+			for (Dart dv = trfv.begin(); dv != trfv.end(); dv = trfv.next())
+			{
+				centerFace += position[dv];
+				nbVert++;
+			}
+			centerFace /=nbVert;
+			centerVol += centerFace;
+		}
+		centerVol /= nbFaces;
+		centerMesh += centerVol;
+	}
+	CGoGNout<< "Traverse with traversor in " << ch.elapsed()<< " ms"<< CGoGNendl;
+
+	ch.start();
+	PFP::REAL vol = Algo::Geometry::totalVolume<PFP>(myMap, position);
+	CGoGNout<< "Parallel volume:" << ch.elapsed()<< " ms  val="<<vol<< CGoGNendl;
+
+	vol = 0;
+	foreach_cell<VOLUME>(myMap, [&](Vol w) // foreach volume
+	{
+		vol += Algo::Geometry::convexPolyhedronVolume<PFP>(myMap, w, position) ;
+	});
+
+	CGoGNout<< "Linear volume:" << ch.elapsed()<< " ms  val="<<vol<< CGoGNendl;
+
+
+	return 0;
+}

Apps/CMakeLists.txt

@@ -33,7 +33,9 @@ IF (WITH_QT)
 	ENDIF (NOT DONOT_COMPILE_SANDBOX)
 ENDIF (WITH_QT)
 
-add_subdirectory(Examples/Tests)
+add_subdirectory(Tests)
+
+add_subdirectory(Benches)
 
 add_subdirectory(Tuto/Traversals)
 add_subdirectory(Tuto/Attributes)

Apps/Examples/clipping.cpp

@@ -798,7 +798,7 @@ void Clipping::importMesh(std::string& filename)
             return;
         }
         else
-            position = myMap.getAttribute<VEC3, VERTEX>("position") ;
+			position = myMap.getAttribute<VEC3, VERTEX ,MAP>("position") ;
     }
     else
     {
@@ -808,10 +808,9 @@ void Clipping::importMesh(std::string& filename)
             return ;
         }
         else
-            position = myMap.getAttribute<PFP::VEC3,VERTEX>(attrNames[0]) ;
+			position = myMap.getAttribute<VEC3, VERTEX, MAP>(attrNames[0]) ;
     }
 
-
 	updateVBOprimitives(Algo::Render::GL2::TRIANGLES | Algo::Render::GL2::LINES | Algo::Render::GL2::POINTS) ;
 
 	m_render_topo->updateData(myMap, position, m_coeffTopoExplod[0], m_coeffTopoExplod[1], m_coeffTopoExplod[2]);
@@ -1114,7 +1113,7 @@ int main(int argc, char** argv)
     }
 	else
 	{
-        sqt.position = sqt.myMap.addAttribute<PFP::VEC3, VERTEX>("position");
+		sqt.position = sqt.myMap.addAttribute<VEC3, VERTEX, MAP>("position");
 
         Algo::Volume::Tilings::Cubic::Grid<PFP> cubic(sqt.myMap, 10,10,10);
         cubic.embedIntoGrid(sqt.position, 1.0f, 1.0f, 1.0f);

Apps/Examples/clipping.h

@@ -71,7 +71,6 @@ struct PFP: public PFP_STANDARD
 };
 
 typedef PFP::MAP MAP;
-typedef PFP::MAP::IMPL MAP_IMPL;
 typedef PFP::VEC3 VEC3;
 
 class Clipping: public Utils::QT::SimpleQT
@@ -81,7 +80,7 @@ class Clipping: public Utils::QT::SimpleQT
 public:
 	//Manip Carte
 	MAP myMap ;
-	VertexAttribute<VEC3, MAP_IMPL> position;
+	VertexAttribute<VEC3, MAP> position;
 	Dart dglobal;
 
 	//Render

Apps/Examples/concave_rendering.cpp

@@ -128,13 +128,12 @@ struct PFP: public PFP_STANDARD
 };
 
 typedef PFP::MAP MAP ;
-typedef PFP::MAP::IMPL MAP_IMPL ;
 typedef PFP::VEC3 VEC3 ;
 
 // declaration of the map
 MAP myMap;
 // and attribute of position
-VertexAttribute<VEC3, MAP_IMPL> position;
+VertexAttribute<VEC3, MAP> position;
 
 unsigned int nb_ears;
 
@@ -245,7 +244,7 @@ void MyQT::cb_keyPress(int code)
 
 int main(int argc, char **argv)
 {
-	position = myMap.addAttribute<VEC3, VERTEX>("position");
+	position = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
 
 	Dart d0 = myMap.newFace(12);
 	position[d0] = PFP::VEC3(0, 20, 0);

Apps/Examples/extrusionView.cpp

@@ -53,7 +53,6 @@ struct PFP: public PFP_STANDARD
 };
 
 typedef PFP::MAP MAP ;
-typedef PFP::MAP::IMPL MAP_IMPL ;
 typedef PFP::VEC3 VEC3 ;
 
 MAP myMap;
@@ -104,7 +103,7 @@ int main(int argc, char **argv)
 	QApplication app(argc, argv);
 	MyQT sqt;
 
-	VertexAttribute<VEC3, MAP_IMPL> position = myMap.addAttribute<VEC3, VERTEX>("position") ;
+	VertexAttribute<VEC3, MAP> position = myMap.addAttribute<VEC3, VERTEX, MAP>("position") ;
 
 	// define the face extruded (here a cross)
 	std::vector<PFP::VEC3> objV;
@@ -134,7 +133,7 @@ int main(int argc, char **argv)
 	}
 
 	// extrusion
-	Algo::Surface::Modelisation::extrusion_scale<PFP>(myMap, position, objV, PFP::VEC3(0.0,0.0,0.0), PFP::VEC3(0.0,1.0,0.0),true, pathV, false, pathRadius);
+	Algo::Surface::Modelisation::extrusion_scale<PFP>(myMap, position, objV, PFP::VEC3(0.0,0.0,0.0), PFP::VEC3(0.0,1.0,0.0), true, pathV, false, pathRadius);
 
     //  bounding box
     Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position);

Apps/Examples/mcmesh.cpp

@@ -138,9 +138,9 @@ void MCMesh::MC()
 	SAlgo::MC::WindowingGreater<DATATYPE> myWindFunc;
 	myWindFunc.setIsoValue(DATATYPE(127));
 
-	position = myMap.getAttribute<VEC3, VERTEX>("position");
+	position = myMap.getAttribute<VEC3, VERTEX, MAP>("position");
 	if (!position.isValid())
-		position = myMap.addAttribute<VEC3, VERTEX>("position");
+		position = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
 
 	// instanciation du mc
 	SAlgo::MC::MarchingCube<DATATYPE, SAlgo::MC::WindowingGreater,PFP> mc(myImgFr, &myMap, position, myWindFunc, false);

Apps/Examples/mcmesh.h

@@ -54,7 +54,6 @@ struct PFP: public PFP_STANDARD
 };
 
 typedef PFP::MAP MAP ;
-typedef PFP::MAP::IMPL MAP_IMPL ;
 typedef PFP::VEC3 VEC3 ;
 
 typedef unsigned char DATATYPE;
@@ -75,7 +74,7 @@ public:
 	bool m_drawEdges ;
 	bool m_drawFaces ;
 
-	VertexAttribute<VEC3, MAP_IMPL> position ;
+	VertexAttribute<VEC3, MAP> position ;
 
 	Algo::Render::GL2::MapRender* m_render ;
 

Apps/Examples/simpleGMap2.cpp

@@ -30,7 +30,7 @@
 
 SimpleGMap2::SimpleGMap2()
 {
-	 position = myMap.addAttribute<VEC3, VERTEX>("position");
+	 position = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
 
      Dart d = Algo::Surface::Modelisation::createTetrahedron<PFP>(myMap);
      position[d] = VEC3(0,0,0);
@@ -62,7 +62,7 @@ void SimpleGMap2::cb_initGL()
 {
 	Utils::GLSLShader::setCurrentOGLVersion(1) ;
 
-	Geom::BoundingBox<PFP::VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
+	Geom::BoundingBox<VEC3> bb = Algo::Geometry::computeBoundingBox<PFP>(myMap, position) ;
 	VEC3 gPosObj = bb.center() ;
 	float tailleX = bb.size(0) ;
 	float tailleY = bb.size(1) ;

Apps/Examples/simpleGMap2.h

@@ -42,7 +42,6 @@ struct PFP: public PFP_STANDARD
 };
 
 typedef PFP::MAP MAP ;
-typedef PFP::MAP::IMPL MAP_IMPL ;
 typedef PFP::VEC3 VEC3 ;
 
 class SimpleGMap2 : public Utils::QT::SimpleQT
@@ -52,7 +51,7 @@ class SimpleGMap2 : public Utils::QT::SimpleQT
 public:
 	MAP myMap ;
 
-	VertexAttribute<VEC3, MAP_IMPL> position ;
+	VertexAttribute<VEC3, MAP> position ;
 
 	SimpleGMap2() ;
 
@@ -61,4 +60,3 @@ public:
 	void cb_initGL() ;
 	void cb_redraw() ;
 };