Added a function to detect if a GVertex is on a seam of a GFace

Geo/GVertex.cpp

@@ -73,3 +73,12 @@ MElement *GVertex::getMeshElement(unsigned int index)
     return points[index]; 
   return 0;
 }
+
+bool GVertex::isOnSeam(const GFace *gf) const
+{
+  std::list<GEdge*>::const_iterator eIter = l_edges.begin();
+  for (; eIter != l_edges.end(); eIter++) {
+    if ( (*eIter)->isSeam(gf) ) return true;
+  }
+  return false;
+}

Geo/GVertex.h

@@ -71,6 +71,9 @@ class GVertex : public GEntity
   // get the element at the given index
   MElement *getMeshElement(unsigned int index);
 
+  // return true if this vertex is on a seam of the given face
+  bool isOnSeam(const GFace *gf) const;
+
   std::vector<MPoint*> points;
 };