diff --git a/model/annotated-topology-reader.cc b/model/annotated-topology-reader.cc
index a9b66bf..d6bbad1 100644
--- a/model/annotated-topology-reader.cc
+++ b/model/annotated-topology-reader.cc
@@ -315,4 +315,22 @@
     }
 }
 
+void
+AnnotatedTopologyReader::SavePositions (const std::string &file) const
+{
+  ofstream os (file.c_str (), ios::trunc);
+  os << "router\n";
+  
+  for (NodeContainer::Iterator node = m_nodes.Begin ();
+       node != m_nodes.End ();
+       node++)
+    {
+      std::string name = Names::FindName (*node);
+      Ptr<MobilityModel> mobility = (*node)->GetObject<MobilityModel> ();
+      Vector position = mobility->GetPosition ();
+
+      os << name << "\t" << "unknown" << "\t" << -position.y << "\t" << position.x << "\n";
+    }
+}
+
 }
diff --git a/model/annotated-topology-reader.h b/model/annotated-topology-reader.h
index 91e6d26..95ce123 100644
--- a/model/annotated-topology-reader.h
+++ b/model/annotated-topology-reader.h
@@ -102,6 +102,12 @@
    */
   void ApplyOspfMetric ();
 
+  /**
+   * \brief Save positions (e.g., after manual modification using visualizer)
+   */
+  void
+  SavePositions (const std::string &file) const;
+
 protected:
   Ptr<Node>
   CreateNode (const std::string name);
diff --git a/model/rocketfuel-weights-reader.cc b/model/rocketfuel-weights-reader.cc
index 4681e4e..acd3235 100644
--- a/model/rocketfuel-weights-reader.cc
+++ b/model/rocketfuel-weights-reader.cc
@@ -177,22 +177,4 @@
   SpringMobilityHelper::InstallSprings (LinksBegin (), LinksEnd ());
 }
 
-void
-RocketfuelWeightsReader::SavePositions (const std::string &file) const
-{
-  ofstream os (file.c_str (), ios::trunc);
-  os << "router\n";
-  
-  for (NodeContainer::Iterator node = m_nodes.Begin ();
-       node != m_nodes.End ();
-       node++)
-    {
-      std::string name = Names::FindName (*node);
-      Ptr<MobilityModel> mobility = (*node)->GetObject<MobilityModel> ();
-      Vector position = mobility->GetPosition ();
-
-      os << name << "\t" << "unknown" << "\t" << -position.y << "\t" << position.x << "\n";
-    }
-}
-
 } /* namespace ns3 */
diff --git a/model/rocketfuel-weights-reader.h b/model/rocketfuel-weights-reader.h
index cf6a784..e93ca32 100644
--- a/model/rocketfuel-weights-reader.h
+++ b/model/rocketfuel-weights-reader.h
@@ -67,9 +67,6 @@
       LATENCIES,
       POSITIONS
     };
-
-  void
-  SavePositions (const std::string &file) const;
   
 private:
   RocketfuelWeightsReader (const RocketfuelWeightsReader&);