diff --git a/Apps/Tuto/Attributes/simple_attribs.cpp b/Apps/Tuto/Attributes/simple_attribs.cpp
index 3bbcf8ae07f13af840eaab38fc7b1cab7d74f3e3..3abc240ee86a989a3bc25d4890e7c0794ad60866 100644
--- a/Apps/Tuto/Attributes/simple_attribs.cpp
+++ b/Apps/Tuto/Attributes/simple_attribs.cpp
@@ -129,10 +129,18 @@ void dumpAttribute(const ATTRIB& attr)
 template<typename T>
 void VertexTyped(MAP& map, T& va)
 {
-	foreach_cell<VERTEX>(map,[&](Vertex v)  // for all vertices
-	{
-		va[v] = 1.1 * va[v];
-	});
+
+//	foreach_cell<VERTEX>(map,[&](Vertex v)  // for all vertices
+//	{
+//		va[v] = 1.1 * va[v];
+//	});
+
+	// other syntax for traversal
+	 for (Vertex v : allVertices<MAP>(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
diff --git a/include/Geometry/vector_gen.h b/include/Geometry/vector_gen.h
index 8a22d625b4391e15ca90c5d1371c67b537f663a2..1e42232c8a5f83596cfaf88ca6794a222bf41f76 100644
--- a/include/Geometry/vector_gen.h
+++ b/include/Geometry/vector_gen.h
@@ -65,6 +65,12 @@ public:
 	template <typename T2>
 	Vector(const Vector<DIM, T2>& v) ;
 
+	/**
+	 * @brief Vector constructor from list init. (c++11)
+	 * @param args {x,y,z}
+	 */
+	Vector(typename std::initializer_list<T> args);
+
 	Vector(T x, T y) ;
 
 	Vector(T x, T y, T z) ;
diff --git a/include/Geometry/vector_gen.hpp b/include/Geometry/vector_gen.hpp
index d8815b4647c9838fd2cb7b1f2759375b76691040..ca289b2e88ce80c041852055d08e741c6fb823c7 100644
--- a/include/Geometry/vector_gen.hpp
+++ b/include/Geometry/vector_gen.hpp
@@ -48,6 +48,19 @@ std::string Vector<DIM, T>::CGoGNnameOfType()
 /*                CONSTRUCTORS                */
 /**********************************************/
 
+template <unsigned int DIM, typename T>
+Vector<DIM, T>::Vector(typename std::initializer_list<T> args)
+{
+	unsigned int i=0;
+	// fill from initializer list
+	for (auto iter = args.begin(); (iter != args.end()) && (i<DIM); ++iter, ++i)
+		m_data[i] = *iter;
+
+	// finish with 0 if necessary
+	for (int j=i;j<DIM;++j)
+		m_data[j] = 0;
+}
+
 template <unsigned int DIM, typename T>
 Vector<DIM, T>::Vector()
 {
diff --git a/include/Topology/generic/traversor/traversorCell.h b/include/Topology/generic/traversor/traversorCell.h
index 1cde00abe257e346062a23634828264703441ad1..ba1625554a391c8dfab4d1cb2bd4c4e40c4e4c06 100644
--- a/include/Topology/generic/traversor/traversorCell.h
+++ b/include/Topology/generic/traversor/traversorCell.h
@@ -144,7 +144,6 @@ void foreach_cell(MAP& map, FUNC func, TraversalOptim opt = AUTO, unsigned int n
 
 
 
-
 template <typename MAP, TraversalOptim OPT = AUTO>
 class TraversorV : public TraversorCell<MAP, VERTEX, OPT>
 {
@@ -177,6 +176,88 @@ public:
 	{}
 };
 
+template <typename MAP, unsigned int ORBIT, TraversalOptim OPT = AUTO>
+class allCells: public TraversorCell<MAP,ORBIT,OPT>
+{
+public:
+	allCells(const MAP& map, bool forceDartMarker = false, unsigned int thread = 0):
+		TraversorCell<MAP,ORBIT,OPT>(map,forceDartMarker,thread) {}
+
+
+	class iterator
+	{
+		Cell<ORBIT> m_index;
+		TraversorCell<MAP,ORBIT,OPT>* m_ptr;
+
+	public:
+
+		inline iterator(allCells<MAP,ORBIT,OPT>* p, Cell<ORBIT> i): m_ptr(p),m_index(i){}
+
+		inline iterator& operator++()
+		{
+			m_index = m_ptr->next();
+			return *this;
+		}
+
+		inline Cell<ORBIT>& operator*()
+		{
+			return m_index;
+		}
+
+		inline bool operator!=(iterator it)
+		{
+			return m_index.dart != it.m_index.dart;
+		}
+
+	};
+
+	inline iterator begin()
+	{
+		return iterator(this,TraversorCell<MAP,ORBIT,OPT>::begin());
+	}
+
+	inline iterator end()
+	{
+		return iterator(this,TraversorCell<MAP,ORBIT,OPT>::end());
+	}
+
+};
+
+template <typename MAP, TraversalOptim OPT = AUTO>
+class allVertices : public allCells<MAP, VERTEX, OPT>
+{
+public:
+	allVertices(const MAP& m, unsigned int thread = 0) : allCells<MAP, VERTEX>(m, false, thread)
+	{}
+};
+
+
+template <typename MAP, TraversalOptim OPT = AUTO>
+class allEdges : public allCells<MAP, EDGE, OPT>
+{
+public:
+	allEdges(const MAP& m, unsigned int thread = 0) : allCells<MAP, EDGE>(m, false, thread)
+	{}
+};
+
+template <typename MAP, TraversalOptim OPT = AUTO>
+class allFaces : public allCells<MAP, FACE, OPT>
+{
+public:
+	allFaces(const MAP& m, unsigned int thread = 0) : allCells<MAP, FACE>(m, false, thread)
+	{}
+};
+
+template <typename MAP, TraversalOptim OPT = AUTO>
+class allVolumes : public allCells<MAP, VOLUME, OPT>
+{
+public:
+	allVolumes(const MAP& m, unsigned int thread = 0) : allCells<MAP, VOLUME>(m, false, thread)
+	{}
+};
+
+
+
 
 
 } // namespace CGoGN