Merge branch 'AttGenOrbit' into develop

Apps/CMakeLists.txt

@@ -2,7 +2,7 @@
 IF (ONELIB)
 	SET(CGoGN_LIBS cgogn)
 ELSE (ONELIB)
-	SET(CGoGN_LIBS topology algo container utils)
+	SET(CGoGN_LIBS algo topology container utils)
 ENDIF (ONELIB)
 
 

Apps/Examples/volumeExplorer.cpp

@@ -169,7 +169,6 @@ void MyQT::cb_Open()
 	color = myMap.addAttribute<VEC3, VOLUME, MAP>("color");
 
 	TraversorCell<MAP, VOLUME> tra(myMap);
-	float maxV = 0.0f;
 	for (Dart d = tra.begin(); d != tra.end(); d = tra.next())
 	{
 //		float v = Algo::Geometry::tetrahedronVolume<PFP>(myMap, d, position);
@@ -503,11 +502,11 @@ int main(int argc, char **argv)
 
 	Utils::Chrono ch;
 
-	Vertex v(myMap.begin());
-	VEC3 p = Algo::Volume::Geometry::vertexNeighborhoodCentroid<PFP>(myMap,v,position);
+//	Vertex v(myMap.begin());
+//	VEC3 p = Algo::Volume::Geometry::vertexNeighborhoodCentroid<PFP>(myMap,v,position);
 
-	Vol w(myMap.begin());
-	VEC3 q = Algo::Surface::Geometry::volumeCentroid<PFP>(myMap,w,position);
+//	Vol w(myMap.begin());
+//	VEC3 q = Algo::Surface::Geometry::volumeCentroid<PFP>(myMap,w,position);
 
 	ch.start();
 	float vol = Algo::Geometry::Parallel::totalVolume<PFP>(myMap, position);

Apps/SandBox/CMakeLists.txt

@@ -24,6 +24,9 @@ include_directories(${CMAKE_CURRENT_BINARY_DIR})
 add_executable(multi_att multi_att.cpp)
 target_link_libraries(multi_att ${CGoGN_LIBS} ${CGoGN_EXT_LIBS})
 
+add_executable(trav3_test trav3_test.cpp)
+target_link_libraries(trav3_test ${CGoGN_LIBS} ${CGoGN_EXT_LIBS})
+
 IF (WITH_QT)
 	QT4_WRAP_CPP(tilings_moc tilings.h)
 	add_executable(tilings tilings.cpp  ${tilings_moc})

Apps/SandBox/trav3_test.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 "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_DOUBLE
+{
+	// definition of the type of the map
+	typedef EmbeddedMap3 MAP;
+};
+
+// some typedef shortcuts
+typedef PFP::MAP MAP ;				// map type
+typedef PFP::VEC3 VEC3 ;			// type of R³ vector 
+
+
+
+template <typename PFP, typename V_ATT>
+typename V_ATT::DATA_TYPE localvolumeCentroidELW(typename PFP::MAP& map, Vol d, const V_ATT& attributs)
+{
+	typedef typename V_ATT::DATA_TYPE EMB;
+	EMB center(0.0);
+
+	double count=0.0;
+
+	for (Edge it : edgesIncidentToVolume3(map,d))
+	{
+		EMB e1 = attributs[it.dart];
+		EMB e2 = attributs[map.phi1(it)];
+		double l = (e2-e1).norm();
+		center += (e1+e2)*l;
+		count += 2.0*l ;
+	}
+	center /= double(count);
+	return center ;
+}
+
+
+int main()
+{
+	// declare a map to handle the mesh
+	MAP myMap;
+	// add position attribute on vertices and get handler on it
+	VertexAttribute<VEC3, MAP> position = myMap.addAttribute<VEC3, VERTEX, MAP>("position");
+
+
+	// create a topo grid of 4x4x4 squares
+	Algo::Volume::Tilings::Cubic::Grid<PFP> cubic(myMap, 20, 20, 20);
+	cubic.embedIntoGrid(position, 1.0f, 1.0f, 1.0f);
+
+	// easy way to find the central vertex of the grid	
+	Vertex v;
+	foreach_cell_until<VERTEX>(myMap, [&] (Vertex it)
+	{
+		if (position[it] == VEC3(0,0,0))
+		{
+			v = it;
+			std::cout << "Trouve"<< std::endl;
+			return false;
+		}
+		return true;
+	});
+
+	// must test of find ok (if not v.dart is NIL)
+	if (! v.valid())
+		std::cerr << "could not find a vertex with position (0,0,0)" << std::endl;
+
+// WITH TRAVERSORS:
+	
+	// find incident faces to vertex
+	Traversor3VF<MAP> trvf(myMap, v.dart);
+	for (Dart e = trvf.begin(); e != trvf.end(); e = trvf.next())
+	{
+		std::cout << "Face of dart "<<e<< " incident to vertex of dart " << v.dart<< std::endl;
+	}
+
+	// find adjacent vertices thru a face
+	Traversor3VVaF<MAP> trvvaf(myMap, v.dart);
+	for (Dart e = trvvaf.begin(); e != trvvaf.end(); e = trvvaf.next())
+	{
+		std::cout << "vertex of dart "<<e<< " adjacent to vertex of dart " << v.dart<< " by a face" << std::endl;
+	}
+
+// WITH FOREACH FUNCTION (C++11 lambda expression)
+
+	// find faces incident to vertex v
+	foreach_incident3<FACE>(myMap, v, [&](Face f)
+	{
+		std::cout << "Face of dart " << f << " incident to vertex of dart " << v.dart << std::endl;
+	});
+
+	// find vertices adjacent to vertex v thru a face
+	foreach_adjacent3<FACE>(myMap, v, [&](Vertex x)
+	{
+		std::cout << "vertex of dart " << x << " adjacent to vertex of dart " << v.dart << " by a face" << std::endl;
+	});
+
+// WITH FOR C++11 SYNTAX
+	for(Face f : facesIncidentToVertex3(myMap,v))
+		std::cout << "Face of dart " << f << " incident to vertex of dart " << v.dart << std::endl;
+
+	for (Vertex x : verticesAdjacentByFace3(myMap,v))
+		std::cout << "vertex of dart " << x << " adjacent to vertex of dart " << v.dart << " by a face" << std::endl;
+
+
+
+	for(Vertex v1 : allVerticesOf(myMap))
+	{
+		for (Vertex v2 : verticesAdjacentByEdge3(myMap,v1))
+		{
+			for (Face f : facesIncidentToVertex3(myMap,v2))
+				if ((f.dart.index)%1000 == 1 )
+					std::cout << "juste for fun face " << f << std::endl;
+		}
+	}
+
+
+	Utils::Chrono ch;
+
+	VertexAttribute<VEC3,MAP> pos2 = myMap.getAttribute<VEC3, VERTEX, MAP>("pos2") ;
+	if(!pos2.isValid())
+		pos2 = myMap.addAttribute<VEC3, VERTEX, MAP>("pos2") ;
+
+	ch.start();
+
+	for (int i=0; i< 20; ++i)
+	{
+		VEC3 xx(0,0,0);
+		int nb=0;
+		for(Vol d : allVolumesOf(myMap))
+		{
+			VEC3 vCentroid = localvolumeCentroidELW<PFP>(myMap, d, position) ;
+			xx += vCentroid;
+			nb++;
+		}
+		xx /= nb;
+		std::cout << xx << std::endl;
+	}
+	std::cout << "for "<< ch.elapsed()<< " ms "<< std::endl;
+
+	ch.start();
+
+	for (int i=0; i< 20; ++i)
+	{
+		VEC3 xx(0,0,0);
+		int nb=0;
+		foreach_cell<VOLUME>(myMap, [&] (Vol d)
+		{
+			VEC3 vCentroid = Algo::Surface::Geometry::volumeCentroidELW<PFP>(myMap, d, position) ;
+			xx += vCentroid;
+			nb++;
+		});
+		xx /= nb;
+		std::cout << xx << std::endl;
+	}
+	std::cout << "Lambda "<< ch.elapsed()<< " ms "<< std::endl;
+
+
+
+
+	return 0;
+}

Apps/Tuto/Attributes/multi_attribs.cpp

@@ -80,6 +80,13 @@ void applySmooth(MAP& map, const ATT& att_in, ATT& att_out)
 	// check at compile if ATT is an AttributeHandler on orbit VERTEX
 	CHECK_ATTRIBUTEHANDLER_ORBIT(ATT, VERTEX);
 
+	// or check at runtime(take care of const!)
+	if (! checkAttributeHandlerOrbit<VERTEX>(att_in))
+	{
+		CGoGNerr << "function applySmooth work only with VertexAttributes !" << CGoGNendl;
+		return;
+	}
+
 	foreach_cell<VERTEX>(map,[&](Vertex v) // for all vertex v of map do
 	{
 		att_out[v] = smooth(map,v,att_in);

Apps/Tuto/Attributes/simple_attribs.cpp

@@ -125,6 +125,38 @@ void dumpAttribute(const ATTRIB& attr)
 }
 
 
+//function that apply on vertice with templated attribute type
+template<typename T>
+void VertexTyped(MAP& map, T& va)
+{
+
+//	foreach_cell<VERTEX>(map,[&](Vertex v)  // for all vertices
+//	{
+//		va[v] = 1.1 * va[v];
+//	});
+
+	// other syntax for traversal
+	 for (Vertex v : allVerticesOf(map))
+	 {
+		 va[v] = 1.1 * va[v];
+		 std::cout << "V:" << v << " -> "<<va[v]<< std::endl;
+	 }
+}
+
+// version that take a VertexAttribute, check type at runtime and call instancied template version
+void VertexGeneric(MAP& map, VertexAttributeGen& vg)
+{
+	auto va3 = dynamic_cast<VertexAttribute<VEC3, MAP>*>(&vg);
+	if (va3 != NULL)
+		return VertexTyped(map,*va3);
+
+	auto vaf = dynamic_cast<VertexAttribute<float, MAP>*>(&vg);
+	if (vaf != NULL)
+		return VertexTyped(map,*vaf);
+}
+
+
+
 int main()
 {
 	// declare a map to handle the mesh
@@ -142,6 +174,8 @@ int main()
 	grid.embedIntoGrid(positionAtt, 1.,1.,0.);
 
 
+	VertexGeneric(myMap,positionAtt);
+
 	// ATTRIBUTE DECLARATION
 
 	// add an attribute of type float on orbit EDGE

Apps/Tuto/Traversals/traverse_attributes.cpp

@@ -63,7 +63,16 @@ int main()
 	{
 		std::cout << id << " : " << position[id]<< " / ";
 	}
-	std::cout << std::endl;
+
+	std::cout << std::endl << "--------------------------------" << std::endl;
+
+	//using (C++11 for syntax)
+	// warning: if you want ot modify the attributes do not forget the &
+	for (auto& p: position.iterable())
+	{
+		p *= 2.0;
+	}
+
 
 	//using foreach function (C++11 lambda expression)
 	foreach_attribute(position, [&] (unsigned int id) // for each element of position
@@ -71,9 +80,11 @@ int main()
 		std::cout << id << " : " << position[id]<< " / ";
 	});
 
+	std::cout << std::endl << "--------------------------------" << std::endl;
+
 	// using parallel foreach
 	// parameter position must be captured explicitly even if it used as first parameter of foreach !
-	Parallel::foreach_attribute(position, [&position] (unsigned int id, unsigned int thread) // for each elt of the position attribute
+	Parallel::foreach_attribute(position, [&position] (unsigned int id, unsigned int /*thread*/) // for each elt of the position attribute
 	{
 		position[id] *= 2.0f;
 	}, 4); // 4:4 thread, false for no need for markers in threaded code.

Apps/Tuto/Traversals/traverse_cells.cpp

@@ -111,17 +111,18 @@ int main()
 	}); // 4:4 thread, false for no need for markers in threaded code.
 
 	std::cout << "After // processing"<< std::endl;
-	foreach_cell<VERTEX>(myMap, [&] (Vertex v) // for each Vertex v of the MAP myMap
+
+	// last and simple traversal method (new for c++11 syntax)
+	for(Vertex v : allVerticesOf(myMap))
 	{
 		std::cout << position[v] << " / ";
-	});
+	}
 	std::cout <<  std::endl;
 
 
 	// Example with // accumulation
 	// computing the sum of area faces
 
-
 	// force number of threads to 4 (0 for traverse, 1,2,3 for computation)
 	CGoGN::Parallel::NumberOfThreads = 4;
 
@@ -137,6 +138,8 @@ int main()
 	std::cout << surf[0]<< "/"<< surf[1]<< "/"<< surf[2]<< "/"<< std::endl;
 	std::cout << "Total="<<surf[0]+surf[1]+surf[2]<< std::endl;
 
+	// example of traversal in two pass (optimizing marking/unmarking)
+
 	TraversorV<MAP> tv0(myMap);
 	TraversorCellEven<MAP, VERTEX> tv1(tv0);
 	TraversorCellOdd<MAP, VERTEX> tv2(tv0);

Apps/Tuto/Traversals/traverse_neighbours.cpp

@@ -102,5 +102,16 @@ int main()
 		std::cout << "vertex of dart " << x << " adjacent to vertex of dart " << v.dart << " by a face" << std::endl;
 	});
 
+// WITH FOR C++11 SYNTAX
+	for(Face f : facesIncidentToVertex2(myMap,v))
+	{
+		std::cout << "Face of dart " << f << " incident to vertex of dart " << v.dart << std::endl;
+	}
+
+	for (Vertex x : verticesAdjacentByFace2(myMap,v))
+	{
+		std::cout << "vertex of dart " << x << " adjacent to vertex of dart " << v.dart << " by a face" << std::endl;
+	}
+
 	return 0;
 }

Apps/Tuto/tuto_dual3.cpp

@@ -94,7 +94,7 @@ int main(int argc, char **argv)
 		}
 	}
 
-	Dart dcenter = myMap.explodBorderTopo(dsave);
+	Dart dcenter = myMap.explodBorderTopo(/*dsave*/);
 
 	DartMarker<MAP> mf(myMap);
 	for(Dart dit = myMap.begin() ; dit != myMap.end() ; myMap.next(dit))

CMakeLists.txt

@@ -143,7 +143,8 @@ IF (WITH_QT)
 	ADD_DEFINITIONS(${QT_DEFINITIONS})
 	find_package(QGLViewer REQUIRED)
 	SET (CGoGN_EXT_INCLUDES ${CGoGN_EXT_INCLUDES} ${QT_INCLUDE_DIR} ${QGLVIEWER_INCLUDE_DIR} )
-	SET (CGoGN_EXT_LIBS ${QT_LIBRARIES} ${QGLVIEWER_LIBRARIES} ${CGoGN_EXT_LIBS})
+	SET (CGoGN_EXT_LIBS ${QGLVIEWER_LIBRARIES} ${QT_LIBRARIES} ${CGoGN_EXT_LIBS})
+
 ENDIF (WITH_QT)
 
 IF (WITH_GLEWMX)

SCHNApps/include/cellSelector.h

@@ -63,10 +63,10 @@ class CellSelector : public CellSelectorGen
 	typedef CellSelector<MAP, ORBIT> SELECTOR;
 
 public:
-	CellSelector(MAP& map, const QString& name, unsigned int thread = 0) :
+	CellSelector(MAP& map, const QString& name) :
 		CellSelectorGen(name),
 		m_map(map),
-		m_cm(map, thread)
+		m_cm(map)
 	{}
 
 	~CellSelector()

apps_cmake.txt

@@ -26,7 +26,7 @@ file(STRINGS ${CGoGN_ROOT_DIR}/include/cgogn_onelib.h ONELIB_STR)
 IF (ONELIB_STR EQUAL 1)
 	SET(CGoGN_LIBS cgogn)
 ELSE()
-	SET(CGoGN_LIBS topology algo container utils)
+	SET(CGoGN_LIBS algo topology container utils)
 ENDIF()
 
 IF(WIN32)

include/Algo/Export/export.hpp

@@ -392,9 +392,9 @@ bool exportOFF(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3,
 	out.close() ;
 	return true ;
 }
-/*
+
 template <typename PFP>
-bool exportOBJ(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& position, const char* filename)
+bool exportOBJ(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, const char* filename)
 {
 	typedef typename PFP::MAP MAP;
 	typedef typename PFP::VEC3 VEC3;
@@ -416,7 +416,7 @@ bool exportOBJ(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>
 	std::vector<unsigned int> vertices ;
 	vertices.reserve(nbDarts/6) ;
 
-	CellMarker<VERTEX> markV(map) ;
+	CellMarker<typename PFP::MAP,VERTEX> markV(map) ;
 	TraversorF<MAP> t(map) ;
 	for(Dart d = t.begin(); d != t.end(); d = t.next())
 	{
@@ -425,7 +425,9 @@ bool exportOBJ(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>
 		Traversor2FV<typename PFP::MAP> tfv(map, d) ;
 		for(Dart it = tfv.begin(); it != tfv.end(); it = tfv.next())
 		{
-			unsigned int vNum = map.getEmbedding(VERTEX, it) ;
+//			unsigned int vNum = map.getEmbedding(VERTEX, it) ;
+			unsigned int vNum = map. template getEmbedding<VERTEX>(it) ;
+
 			if(!markV.isMarked(it))
 			{
 				markV.mark(it) ;
@@ -458,7 +460,7 @@ bool exportOBJ(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>
 	out.close() ;
 	return true ;
 }
-
+/*
 template <typename PFP>
 bool exportPlyPTMgeneric(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3>& position, const char* filename)
 {

include/Algo/Geometry/area.h

@@ -58,7 +58,7 @@ typename PFP::REAL convexFaceArea(typename PFP::MAP& map, Face f, const VertexAt
 //! @param position
 //! @return
 template <typename PFP>
-typename PFP::REAL totalArea(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, unsigned int thread = 0) ;
+typename PFP::REAL totalArea(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position) ;
 
 //! \brief Compute the area of the faces around a vertex.
 //! @param map
@@ -75,16 +75,16 @@ template <typename PFP>
 typename PFP::REAL vertexVoronoiArea(typename PFP::MAP& map, Vertex v, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position) ;
 
 template <typename PFP>
-void computeAreaFaces(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, FaceAttribute<typename PFP::REAL, typename PFP::MAP>& face_area, unsigned int thread = 0) ;
+void computeAreaFaces(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, FaceAttribute<typename PFP::REAL, typename PFP::MAP>& face_area) ;
 
 template <typename PFP>
-void computeOneRingAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread = 0) ;
+void computeOneRingAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area) ;
 
 template <typename PFP>
-void computeBarycentricAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread = 0) ;
+void computeBarycentricAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area) ;
 
 template <typename PFP>
-void computeVoronoiAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread = 0) ;
+void computeVoronoiAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area) ;
 
 namespace Parallel
 {

include/Algo/Geometry/area.hpp

@@ -72,7 +72,7 @@ typename PFP::REAL convexFaceArea(typename PFP::MAP& map, Face d, const VertexAt
 }
 
 template <typename PFP>
-typename PFP::REAL totalArea(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, unsigned int thread)
+typename PFP::REAL totalArea(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position)
 {
 	typename PFP::REAL area(0) ;
 
@@ -80,7 +80,7 @@ typename PFP::REAL totalArea(typename PFP::MAP& map, const VertexAttribute<typen
 	{
 		area += convexFaceArea<PFP>(map, f, position);
 	}
-	,AUTO,thread);
+	,AUTO);
 	return area ;
 
 }
@@ -137,10 +137,10 @@ typename PFP::REAL vertexVoronoiArea(typename PFP::MAP& map, Vertex v, const Ver
 }
 
 template <typename PFP>
-void computeAreaFaces(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, FaceAttribute<typename PFP::REAL, typename PFP::MAP>& face_area, unsigned int thread)
+void computeAreaFaces(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, FaceAttribute<typename PFP::REAL, typename PFP::MAP>& face_area)
 {
 
-	if ((CGoGN::Parallel::NumberOfThreads > 1) && (thread==0))
+	if (CGoGN::Parallel::NumberOfThreads > 1)
 	{
 		Parallel::computeAreaFaces<PFP>(map,position,face_area);
 		return;
@@ -150,14 +150,14 @@ void computeAreaFaces(typename PFP::MAP& map, const VertexAttribute<typename PFP
 	{
 		face_area[f] = convexFaceArea<PFP>(map, f, position) ;
 	}
-	,AUTO,thread);
+	,AUTO);
 
 }
 
 template <typename PFP>
-void computeOneRingAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread)
+void computeOneRingAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area)
 {
-	if ((CGoGN::Parallel::NumberOfThreads > 1) && (thread==0))
+	if (CGoGN::Parallel::NumberOfThreads > 1)
 	{
 		Parallel::computeOneRingAreaVertices<PFP>(map,position,vertex_area);
 		return;
@@ -174,14 +174,14 @@ void computeOneRingAreaVertices(typename PFP::MAP& map, const VertexAttribute<ty
 			vertex_area[v] += areas[f];
 		});
 	}
-	,FORCE_CELL_MARKING,thread);
+	,FORCE_CELL_MARKING);
 }
 
 
 template <typename PFP>
-void computeBarycentricAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread)
+void computeBarycentricAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area)
 {
-	if ((CGoGN::Parallel::NumberOfThreads > 1) && (thread==0))
+	if (CGoGN::Parallel::NumberOfThreads > 1)
 	{
 		Parallel::computeBarycentricAreaVertices<PFP>(map,position,vertex_area);
 		return;
@@ -191,13 +191,13 @@ void computeBarycentricAreaVertices(typename PFP::MAP& map, const VertexAttribut
 	{
 		vertex_area[v] = vertexBarycentricArea<PFP>(map, v, position) ;
 	}
-	,FORCE_CELL_MARKING,thread);
+	,FORCE_CELL_MARKING);
 }
 
 template <typename PFP>
-void computeVoronoiAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area, unsigned int thread)
+void computeVoronoiAreaVertices(typename PFP::MAP& map, const VertexAttribute<typename PFP::VEC3, typename PFP::MAP>& position, VertexAttribute<typename PFP::REAL, typename PFP::MAP>& vertex_area)
 {
-	if ((CGoGN::Parallel::NumberOfThreads > 1) && (thread==0))
+	if (CGoGN::Parallel::NumberOfThreads > 1)
 	{
 		Parallel::computeVoronoiAreaVertices<PFP>(map,position,vertex_area);
 		return;
@@ -207,7 +207,7 @@ void computeVoronoiAreaVertices(typename PFP::MAP& map, const VertexAttribute<ty
 	{
 		vertex_area[v] = vertexVoronoiArea<PFP>(map, v, position) ;
 	}
-	,FORCE_CELL_MARKING,thread);
+	,FORCE_CELL_MARKING);