diff --git a/src/meshlab/interfaces.h b/src/meshlab/interfaces.h
index 6f3bc857f..cfbfed557 100644
--- a/src/meshlab/interfaces.h
+++ b/src/meshlab/interfaces.h
@@ -289,7 +289,7 @@ class MeshFilterInterface
 {
 public:
   typedef int FilterIDType;
-	enum FilterClass { Generic, Selection, Cleaning, Remeshing, FaceColoring, VertexColoring, MeshCreation, Smoothing, Quality, Normal} ;
+	enum FilterClass { Generic, Selection, Cleaning, Remeshing, FaceColoring, VertexColoring, MeshCreation, Smoothing, Quality, Layer, Normal} ;
 	virtual ~MeshFilterInterface() {}
 
 	// The longer string describing each filtering action 
diff --git a/src/meshlab/mainwindow.h b/src/meshlab/mainwindow.h
index b6cdad3d6..3525f0f59 100644
--- a/src/meshlab/mainwindow.h
+++ b/src/meshlab/mainwindow.h
@@ -352,6 +352,7 @@ private:
   QMenu *filterMenuSmoothing;
   QMenu *filterMenuQuality;
 	QMenu *filterMenuNormal;
+  QMenu *filterMenuLayer;
 
 	QMenu *editMenu;
 
diff --git a/src/meshlab/mainwindow_Init.cpp b/src/meshlab/mainwindow_Init.cpp
index 0c26b741b..7c60d2f89 100644
--- a/src/meshlab/mainwindow_Init.cpp
+++ b/src/meshlab/mainwindow_Init.cpp
@@ -522,6 +522,7 @@ void MainWindow::createMenus()
 	filterMenuSmoothing = filterMenu->addMenu(tr("Smoothing"));
 	filterMenuQuality = filterMenu->addMenu(tr("Quality"));
 	filterMenuNormal = filterMenu->addMenu(tr("Normal and Orientation"));
+	filterMenuLayer = filterMenu->addMenu(tr("Layer"));
 	
 	//////////////////// Menu Render //////////////////////////////////////////////////////////////////////////
 	renderMenu		= menuBar()->addMenu(tr("&Render"));
@@ -642,6 +643,8 @@ void MainWindow::loadPlugins()
               		filterMenuNormal->addAction(filterAction); break;
             case MeshFilterInterface::Quality : 
               		filterMenuQuality->addAction(filterAction); break;
+						case MeshFilterInterface::Layer : 
+              		filterMenuLayer->addAction(filterAction); break;
 						case MeshFilterInterface::MeshCreation : 
               		fileMenuNew->addAction(filterAction); break;
             case MeshFilterInterface::Generic : 
diff --git a/src/meshlabplugins/filter_splitter/filter_splitter.cpp b/src/meshlabplugins/filter_splitter/filter_splitter.cpp
index 003ab21f2..e5db8edec 100644
--- a/src/meshlabplugins/filter_splitter/filter_splitter.cpp
+++ b/src/meshlabplugins/filter_splitter/filter_splitter.cpp
@@ -154,4 +154,15 @@ bool FilterSplitterPlugin::applyFilter(QAction *filter, MeshDocument &md, Filter
 	return true;
 }
 
+const FilterSplitterPlugin::FilterClass FilterSplitterPlugin::getClass(QAction *a)
+{
+  switch(ID(a))
+  {
+    case FP_SPLITSELECT :
+      return MeshFilterInterface::Layer;     
+    default : 
+			return MeshFilterInterface::Generic;
+  }
+}
+
 Q_EXPORT_PLUGIN(FilterSplitterPlugin)
diff --git a/src/meshlabplugins/filter_splitter/filter_splitter.h b/src/meshlabplugins/filter_splitter/filter_splitter.h
index 02281a083..66ac2694a 100644
--- a/src/meshlabplugins/filter_splitter/filter_splitter.h
+++ b/src/meshlabplugins/filter_splitter/filter_splitter.h
@@ -43,6 +43,7 @@ public:
 	virtual const QString filterInfo(FilterIDType filter);
 	virtual const PluginInfo &pluginInfo();
 	virtual bool autoDialog(QAction *) {return true;}
+	virtual const FilterClass getClass(QAction *);
 	virtual void initParameterSet(QAction *,MeshDocument &/*m*/, FilterParameterSet & /*parent*/);
 	virtual bool applyFilter(QAction *filter, MeshDocument &m, FilterParameterSet & /*parent*/, vcg::CallBackPos * cb) ;
 	virtual bool applyFilter(QAction *filter, MeshModel &, FilterParameterSet & /*parent*/, vcg::CallBackPos * cb) { assert(0); return false;} ;
diff --git a/src/sampleplugins/samplefilterdoc/samplefilterdoc.cpp b/src/sampleplugins/samplefilterdoc/samplefilterdoc.cpp
index 6f49baeea..7f68d884c 100644
--- a/src/sampleplugins/samplefilterdoc/samplefilterdoc.cpp
+++ b/src/sampleplugins/samplefilterdoc/samplefilterdoc.cpp
@@ -145,4 +145,15 @@ bool SampleFilterDocPlugin::applyFilter(QAction *filter, MeshDocument &md, Filte
 	return true;
 }
 
+const SampleFilterDocPlugin::FilterClass SampleFilterDocPlugin::getClass(QAction *a)
+{
+  switch(ID(a))
+  {
+    case FP_FLATTEN :
+      return MeshFilterInterface::Layer;     
+    default : 
+			return MeshFilterInterface::Generic;
+  }
+}
+
 Q_EXPORT_PLUGIN(SampleFilterDocPlugin)
diff --git a/src/sampleplugins/samplefilterdoc/samplefilterdoc.h b/src/sampleplugins/samplefilterdoc/samplefilterdoc.h
index 2424b7961..85727c209 100644
--- a/src/sampleplugins/samplefilterdoc/samplefilterdoc.h
+++ b/src/sampleplugins/samplefilterdoc/samplefilterdoc.h
@@ -53,6 +53,7 @@ public:
 	virtual const QString filterInfo(FilterIDType filter);
 	virtual const PluginInfo &pluginInfo();
 	virtual bool autoDialog(QAction *) {return true;}
+	virtual const FilterClass getClass(QAction *);
 	virtual void initParameterSet(QAction *,MeshDocument &/*m*/, FilterParameterSet & /*parent*/);
 	virtual bool applyFilter(QAction *filter, MeshDocument &m, FilterParameterSet & /*parent*/, vcg::CallBackPos * cb) ;
 	virtual bool applyFilter(QAction *filter, MeshModel &, FilterParameterSet & /*parent*/, vcg::CallBackPos * cb) { assert(0); return false;} ;