diff --git a/SCHNApps/Plugins/differentialProperties/computeNormalsDialog.ui b/SCHNApps/Plugins/differentialProperties/computeNormalsDialog.ui
index f0532839447fb524c4bc47bf2d18361bb5a1bc83..50d0c0b5b91e0f7f5ce97166b19a5413043d1d8f 100644
--- a/SCHNApps/Plugins/differentialProperties/computeNormalsDialog.ui
+++ b/SCHNApps/Plugins/differentialProperties/computeNormalsDialog.ui
@@ -17,6 +17,16 @@
    <item>
     <widget class="QListWidget" name="mapList"/>
    </item>
+   <item>
+    <widget class="QComboBox" name="combo_positionAttribute">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+    </widget>
+   </item>
    <item>
     <layout class="QHBoxLayout" name="horizontalLayout">
      <item>
diff --git a/SCHNApps/Plugins/differentialProperties/differentialProperties.cpp b/SCHNApps/Plugins/differentialProperties/differentialProperties.cpp
index 02b588143197f7a14943662afacf0fbe5ba761c6..ebb179b0fa08511f528f77ffcb8be67184cf9a78 100644
--- a/SCHNApps/Plugins/differentialProperties/differentialProperties.cpp
+++ b/SCHNApps/Plugins/differentialProperties/differentialProperties.cpp
@@ -4,17 +4,47 @@
 
 #include "Algo/Geometry/normal.h"
 
+
+
+ComputeNormalsDialog::ComputeNormalsDialog(Window* w) : m_window(w)
+{
+	setupUi(this);
+	connect(mapList, SIGNAL(itemSelectionChanged()), this, SLOT(cb_selectedMapChanged()));
+}
+
+void ComputeNormalsDialog::cb_selectedMapChanged()
+{
+	QList<QListWidgetItem*> currentItems = mapList->selectedItems();
+	if(!currentItems.empty())
+	{
+		combo_positionAttribute->clear();
+		const QString& mapname = currentItems[0]->text();
+		MapHandlerGen* mh = m_window->getMap(mapname);
+		GenericMap* map = mh->getGenericMap();
+		AttributeContainer& cont = map->getAttributeContainer<VERTEX>();
+		std::vector<std::string> names;
+		cont.getAttributesNames(names);
+		for(unsigned int i = 0; i < names.size(); ++i)
+			combo_positionAttribute->addItem(QString::fromStdString(names[i]));
+	}
+}
+
+
+
 bool DifferentialPropertiesPlugin::enable()
 {
-	m_computeNormalsDialog = new ComputeNormalsDialog();
+	m_computeNormalsDialog = new ComputeNormalsDialog(m_window);
 
 	computeNormalsAction = new QAction("import", this);
 	addMenuAction("Surface;DifferentialProperties;Compute Normals", computeNormalsAction);
-	connect(computeNormalsAction, SIGNAL(triggered()), this, SLOT(cb_computeNormals()));
+	connect(computeNormalsAction, SIGNAL(triggered()), this, SLOT(cb_openComputeNormalsDialog()));
+
+	connect(m_computeNormalsDialog, SIGNAL(accepted()), this, SLOT(cb_computeNormals()));
+
 	return true;
 }
 
-void DifferentialPropertiesPlugin::cb_computeNormals()
+void DifferentialPropertiesPlugin::cb_openComputeNormalsDialog()
 {
 	m_computeNormalsDialog->mapList->clear();
 	m_computeNormalsDialog->attributeName->setText("normal");
@@ -25,6 +55,24 @@ void DifferentialPropertiesPlugin::cb_computeNormals()
 	m_computeNormalsDialog->show();
 }
 
+void DifferentialPropertiesPlugin::cb_computeNormals()
+{
+	QList<QListWidgetItem*> currentItems = m_computeNormalsDialog->mapList->selectedItems();
+	if(!currentItems.empty())
+	{
+		const QString& mapname = currentItems[0]->text();
+		MapHandler<PFP>* mh = reinterpret_cast<MapHandler<PFP>*>(m_window->getMap(mapname));
+		MAP* map = mh->getMap();
+		std::string positionName = m_computeNormalsDialog->combo_positionAttribute->currentText().toUtf8().constData();
+		std::string normalName = m_computeNormalsDialog->attributeName->text().toUtf8().constData();
+		VertexAttribute<VEC3> position = map->getAttribute<VEC3, VERTEX>(positionName);
+		VertexAttribute<VEC3> normal = map->getAttribute<VEC3, VERTEX>(normalName);
+		if(!normal.isValid())
+			normal = map->addAttribute<VEC3, VERTEX>(normalName);
+		Algo::Geometry::computeNormalVertices<PFP>(*map, position, normal);
+	}
+}
+
 #ifndef DEBUG
 Q_EXPORT_PLUGIN2(DifferentialPropertiesPlugin, DifferentialPropertiesPlugin)
 #else
diff --git a/SCHNApps/Plugins/differentialProperties/differentialProperties.h b/SCHNApps/Plugins/differentialProperties/differentialProperties.h
index 03fc6b1cba0174611ea27cf3b2fae6bbf2b7c397..fec9b90fc392656e17dd245251328b23432ea910 100644
--- a/SCHNApps/Plugins/differentialProperties/differentialProperties.h
+++ b/SCHNApps/Plugins/differentialProperties/differentialProperties.h
@@ -25,8 +25,16 @@ typedef PFP::VEC3 VEC3;
 
 class ComputeNormalsDialog : public QDialog, public Ui::ComputeNormalsDialog
 {
+	Q_OBJECT
+	
 public:
-	ComputeNormalsDialog() { setupUi(this);	}
+	ComputeNormalsDialog(Window* w);
+
+public slots:
+	void cb_selectedMapChanged();
+
+private:
+	Window* m_window;
 };
 
 
@@ -64,6 +72,7 @@ public:
 	virtual void mapUnlinked(View* view, MapHandlerGen* m) {}
 
 public slots:
+	void cb_openComputeNormalsDialog();
 	void cb_computeNormals();
 
 private:
diff --git a/SCHNApps/Plugins/renderVector/renderVector.cpp b/SCHNApps/Plugins/renderVector/renderVector.cpp
index 95c2ffbe7c0376ea3480ba5a5a58a5164433bda7..6c316139ab87e4e4adc8b1e62f25e72e86a23d0d 100644
--- a/SCHNApps/Plugins/renderVector/renderVector.cpp
+++ b/SCHNApps/Plugins/renderVector/renderVector.cpp
@@ -9,8 +9,8 @@ bool RenderVectorPlugin::enable()
 	m_dockTab = new RenderVectorDockTab(this);
 	addTabInDock(m_dockTab, "RenderVector");
 
-	m_vectorShader = new Utils::ShaderVectorPerVertex() ;
-	m_vectorShader->setColor(Geom::Vec4f(1.0f, 0.0f, 0.0f, 1.0f)) ;
+	m_vectorShader = new Utils::ShaderVectorPerVertex();
+	m_vectorShader->setColor(Geom::Vec4f(1.0f, 0.0f, 0.0f, 1.0f));
 
 	registerShader(m_vectorShader);
 
diff --git a/SCHNApps/include/camera.h b/SCHNApps/include/camera.h
index fb5b5884957fa54e9775b55434b75dc7ea85a1a9..1265fd00c89c1987dc3db951febab8d4fbc8fc90 100644
--- a/SCHNApps/include/camera.h
+++ b/SCHNApps/include/camera.h
@@ -33,7 +33,7 @@ public:
 	 * CAMERA DRAWING
 	 *********************************************************/
 
-	void draw();
+	virtual void draw();
 
 	bool getDraw() const { return m_draw; }
 	void setDraw(bool b = true) { m_draw = b; }
diff --git a/SCHNApps/include/mapHandler.h b/SCHNApps/include/mapHandler.h
index 9e886802821c08e25b407eb618f43fedc1b68ab4..19fccac1c38a56ae3d2e47b6c6c40352ea17458c 100644
--- a/SCHNApps/include/mapHandler.h
+++ b/SCHNApps/include/mapHandler.h
@@ -116,15 +116,6 @@ public:
 	{
 		m_render->initPrimitives<PFP>(*(reinterpret_cast<typename PFP::MAP*>(m_map)), good, primitive) ;
 	}
-
-	void updateVBOs()
-	{
-		QList<Utils::VBO*> vbos = getVBOList();
-		foreach(Utils::VBO* vbo, vbos)
-		{
-
-		}
-	}
 };
 
 } // namespace SCHNApps
diff --git a/SCHNApps/include/types.h b/SCHNApps/include/types.h
index 841a0091e430200ce8b9ca0810ce3304e97f1aca..89ced8892c3023243b4d362ba2360b9af59f4082 100644
--- a/SCHNApps/include/types.h
+++ b/SCHNApps/include/types.h
@@ -21,7 +21,7 @@ class Plugin;
 class View;
 class Camera;
 class MapHandlerGen;
-class Texture;
+struct Texture;
 
 typedef QHash<QString, Plugin*> PluginHash;
 typedef QHash<QString, View*> ViewHash;
diff --git a/SCHNApps/include/viewButtonArea.h b/SCHNApps/include/viewButtonArea.h
index 9d5897bb5ee69c0a528b2d6d5682efda3c2ec010..d65a98f8198e4594b3660fef3e155b02cdffc29d 100644
--- a/SCHNApps/include/viewButtonArea.h
+++ b/SCHNApps/include/viewButtonArea.h
@@ -16,7 +16,7 @@ namespace SCHNApps
 {
 
 class View;
-class Texture;
+struct Texture;
 
 class ViewButton : public QObject
 {