boolean to chose to share vertex embeddings

include/Topology/map/map2MR/map2MR_Primal.h

@@ -32,23 +32,12 @@ namespace CGoGN
 
 class Map2MR_Primal : public EmbeddedMap2
 {
+protected:
+	bool shareVertexEmbeddings ;
+
 public:
 	Map2MR_Primal() ;
 
-	void copyVertexEmbeddings()
-	{
-		unsigned int maxL = getMaxLevel() ;
-		for(unsigned int i = m_mrattribs.begin(); i != m_mrattribs.end(); m_mrattribs.next(i))
-		{
-			unsigned int previdx = (*m_mrDarts[maxL - 1])[i] ;
-			unsigned int newidx = (*m_mrDarts[maxL])[i] ;
-			unsigned int emb = (*m_embeddings[VERTEX])[previdx] ;
-			(*m_embeddings[VERTEX])[newidx] = emb ;
-			if(emb != EMBNULL)
-				m_attribs[VERTEX].refLine(emb);
-		}
-	}
-
 	/***************************************************
 	 *               CELLS INFORMATION                 *
 	 ***************************************************/
@@ -106,10 +95,21 @@ public:
 	 */
 	bool faceIsSubdividedOnce(Dart d) ;
 
+	/***************************************************
+	 *           EMBEDDINGS MANAGEMENT                 *
+	 ***************************************************/
+
+	void copyVertexEmbeddings() ;
+
 	/***************************************************
 	 *               SUBDIVISION                       *
 	 ***************************************************/
 
+	/**
+	 * add a new resolution level
+	 */
+	void addNewLevel() ;
+
 	/**
 	 * subdivide the edge of d to the next level
 	 */

src/Topology/map/map2MR/map2MR_Primal.cpp

@@ -27,7 +27,7 @@
 namespace CGoGN
 {
 
-Map2MR_Primal::Map2MR_Primal()
+Map2MR_Primal::Map2MR_Primal() : shareVertexEmbeddings(true)
 {
 	initMR() ;
 }
@@ -248,10 +248,35 @@ bool Map2MR_Primal::faceIsSubdividedOnce(Dart d)
 	return false ;
 }
 
+/***************************************************
+ *           EMBEDDINGS MANAGEMENT                 *
+ ***************************************************/
+
+void Map2MR_Primal::copyVertexEmbeddings()
+{
+	unsigned int maxL = getMaxLevel() ;
+	for(unsigned int i = m_mrattribs.begin(); i != m_mrattribs.end(); m_mrattribs.next(i))
+	{
+		unsigned int previdx = (*m_mrDarts[maxL - 1])[i] ;
+		unsigned int newidx = (*m_mrDarts[maxL])[i] ;
+		unsigned int emb = (*m_embeddings[VERTEX])[previdx] ;
+		(*m_embeddings[VERTEX])[newidx] = emb ;
+		if(emb != EMBNULL)
+			m_attribs[VERTEX].refLine(emb);
+	}
+}
+
 /***************************************************
  *               SUBDIVISION                       *
  ***************************************************/
 
+void Map2MR_Primal::addNewLevel()
+{
+	addLevel() ;
+	if(shareVertexEmbeddings)
+		copyVertexEmbeddings() ;
+}
+
 void Map2MR_Primal::subdivideEdge(Dart d)
 {
 	assert(getDartLevel(d) <= getCurrentLevel() || !"subdivideEdge : called with a dart introduced after current level") ;
@@ -262,10 +287,7 @@ void Map2MR_Primal::subdivideEdge(Dart d)
 	pushLevel() ;
 
 	if(eLevel == getMaxLevel())
-	{
-		addLevel() ;
-		copyVertexEmbeddings() ;
-	}
+		addNewLevel() ;
 
 	setCurrentLevel(eLevel + 1) ;
 	cutEdge(d) ;