diff --git a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
index 56d425655..ab7b12d51 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
+++ b/code/nel/tools/3d/object_viewer_qt/src/CMakeLists.txt
@@ -22,6 +22,7 @@ SET(OBJECT_VIEWER_HDR main_window.h graphics_viewport.h animation_dialog.h
 		      vegetable_dialog.h global_wind_dialog.h day_night_dialog.h sun_color_dialog.h
 		      vegetable_noise_value_widget.h vegetable_density_page.h vegetable_landscape_page.h
 		      vegetable_scale_page.h vegetable_appearance_page.h vegetable_rotate_page.h
+		      tune_mrm_dialog.h
 		      extension_system/iplugin_manager.h extension_system/plugin_manager.h)
 		      
 SET(OBJECT_VIEWER_UIS animation_form.ui animation_set_form.ui settings_form.ui 
@@ -35,7 +36,7 @@ SET(OBJECT_VIEWER_UIS animation_form.ui animation_set_form.ui settings_form.ui
 		      particle_link_skeleton_form.ui water_pool_form.ui vegetable_dialog_form.ui
 		      vegetable_noise_value_form.ui global_wind_form.ui sun_color_form.ui day_night_form.ui
 		      vegetable_density_form.ui vegetable_apperance_form.ui vegetable_landscape_form.ui
-		      vegetable_rotate_form.ui vegetable_scale_form.ui)
+		      vegetable_rotate_form.ui vegetable_scale_form.ui tune_mrm_form.ui)
 
 SET(OBJECT_VIEWER_RCS object_viewer_qt.qrc)
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.cpp b/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.cpp
index fa018d914..b4902b2cb 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.cpp
@@ -32,8 +32,9 @@ CGlobalWindDialog::CGlobalWindDialog(QWidget *parent)
 {
 	_ui.setupUi(this);
 
+	_ui.horizontalSlider->setValue(int(Modules::objView().getScene()->getGlobalWindPower() * _ui.horizontalSlider->maximum()));
+
 	connect(_ui.horizontalSlider, SIGNAL(valueChanged(int)), this, SLOT(setWndPower(int)));
-	connect(this, SIGNAL(visibilityChanged(bool)), this, SLOT(updateWnd(bool)));
 }
 
 CGlobalWindDialog::~CGlobalWindDialog()
@@ -47,12 +48,4 @@ void CGlobalWindDialog::setWndPower(int value)
 	Modules::objView().getScene()->setGlobalWindPower(fValue);
 }
 
-void CGlobalWindDialog::updateWnd(bool visible)
-{
-	if (!visible || !Modules::objView().getScene())
-		return;
-
-	_ui.horizontalSlider->setValue(int(Modules::objView().getScene()->getGlobalWindPower() * _ui.horizontalSlider->maximum()));
-}
-
 } /* namespace NLQT */
\ No newline at end of file
diff --git a/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.h b/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.h
index f69231cdb..dc2e68aaf 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/global_wind_dialog.h
@@ -41,7 +41,6 @@ public:
 
 private Q_SLOTS:
 	void setWndPower(int value);
-	void updateWnd(bool visible);
 
 private:
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
index 2128cdbd1..04f956c11 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/graphics_viewport.cpp
@@ -68,6 +68,7 @@ void CGraphicsViewport::init()
 
 	Modules::objView().init((nlWindow)winId(), width(), height());
 	Modules::psEdit().init();
+	Modules::veget().init();
 
 	setMouseTracking(true);
 	setFocusPolicy(Qt::StrongFocus);
@@ -77,7 +78,8 @@ void CGraphicsViewport::release()
 {
 	//H_AUTO2
 	nldebug("CGraphicsViewport::release");
-
+	
+	Modules::veget().release();
 	Modules::psEdit().release();
 	Modules::objView().release();
 }
diff --git a/code/nel/tools/3d/object_viewer_qt/src/images/ico_skelscale.png b/code/nel/tools/3d/object_viewer_qt/src/images/ico_skelscale.png
index 9d6455da2..7154a8a05 100644
Binary files a/code/nel/tools/3d/object_viewer_qt/src/images/ico_skelscale.png and b/code/nel/tools/3d/object_viewer_qt/src/images/ico_skelscale.png differ
diff --git a/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp b/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
index 674919afe..d2db507a3 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/main_window.cpp
@@ -47,6 +47,7 @@
 #include "global_wind_dialog.h"
 #include "day_night_dialog.h"
 #include "sun_color_dialog.h"
+#include "tune_mrm_dialog.h"
 
 using namespace std;
 using namespace NLMISC;
@@ -60,8 +61,6 @@ CMainWindow::CMainWindow(QWidget *parent)
 	_isGraphicsEnabled(false),
 	_isSoundInitialized(false),
 	_isSoundEnabled(false),
-	_isLandscapeInitialized(false),
-	_isLandscapeEnabled(false),
 	_GraphicsViewport(NULL),
 	_lastDir("."),
 	_mouseMode(NL3D::U3dMouseListener::edit3d)
@@ -79,6 +78,16 @@ CMainWindow::CMainWindow(QWidget *parent)
 	_originalPalette = QApplication::palette();
 	Modules::config().setAndCallback("QtStyle", CConfigCallback(this, &CMainWindow::cfcbQtStyle));
 	Modules::config().setAndCallback("QtPalette", CConfigCallback(this, &CMainWindow::cfcbQtPalette));
+	Modules::config().setAndCallback("SoundEnabled", CConfigCallback(this, &CMainWindow::cfcbSoundEnabled));
+
+	_GraphicsViewport->init();
+	_isGraphicsInitialized = true;
+	
+	if (_isSoundEnabled)
+	{
+		Modules::sound().init();
+		_isSoundInitialized = true;
+	}
 
 	_SkeletonTreeModel = new CSkeletonTreeModel(this);
 
@@ -96,24 +105,16 @@ CMainWindow::CMainWindow(QWidget *parent)
 	restoreGeometry(settings.value("QtWindowGeometry").toByteArray());
 	settings.endGroup();
 
-	_isGraphicsEnabled = true;
-	_isLandscapeEnabled = true;
-
 	// As a special case, a QTimer with a timeout of 0 will time out as soon as all the events in the window system's event queue have been processed.
 	// This can be used to do heavy work while providing a snappy user interface.
 	_mainTimer = new QTimer(this);
 	connect(_mainTimer, SIGNAL(timeout()), this, SLOT(updateRender()));
-	// timer->start(); // <- timeout 0
-	// it's heavy on cpu, though, when no 3d driver initialized :)
-	_mainTimer->start(23); // 25fps
 
 	_statusBarTimer = new QTimer(this);
 	connect(_statusBarTimer, SIGNAL(timeout()), this, SLOT(updateStatusBar()));
-	_statusBarTimer->start(1000);
 
 	_statusInfo = new QLabel(this);
 	this->statusBar()->addPermanentWidget(_statusInfo);
-	Modules::config().setAndCallback("SoundEnabled", CConfigCallback(this, &CMainWindow::cfcbSoundEnabled));
 }
 
 CMainWindow::~CMainWindow()
@@ -131,15 +132,18 @@ CMainWindow::~CMainWindow()
 	Modules::config().dropCallback("QtPalette");
 	Modules::config().dropCallback("QtStyle");
 
-	_mainTimer->stop();
-	_statusBarTimer->stop();
-
 	delete _AnimationDialog;
 	delete _AnimationSetDialog;
 	delete _SlotManagerDialog;
 	delete _SetupFog;
+	delete _TuneMRMDialog;
 	delete _ParticleControlDialog;
 	delete _ParticleWorkspaceDialog;
+	
+	if (_isSoundInitialized)
+		Modules::sound().releaseGraphics();
+
+	_GraphicsViewport->release();
 	delete _GraphicsViewport;
 }
 
@@ -152,11 +156,17 @@ void CMainWindow::setVisible(bool visible)
 		if (visible)
 		{
 			QMainWindow::setVisible(true);
-			updateInitialization(true);
+			if (_isSoundInitialized)
+					Modules::sound().initGraphics();
+			_mainTimer->start(23);
+			_statusBarTimer->start(1000);
 		}
 		else
 		{
-			updateInitialization(false);
+			_mainTimer->stop();
+			_statusBarTimer->stop();
+			if (_isSoundInitialized)
+				Modules::sound().releaseGraphics();
 			QMainWindow::setVisible(false);
 		}
 	}
@@ -273,95 +283,6 @@ void CMainWindow::updateStatusBar()
 	}
 }
 
-void CMainWindow::updateInitialization(bool visible)
-{
-	bool done;
-	do
-	{
-		done = true; // set false whenever change
-		bool wantSound = _isSoundEnabled && visible;
-		bool wantGraphics = _isGraphicsEnabled && visible;
-		// TODO WARNING:  made Landscape stuff
-		bool wantLandscape = wantGraphics && _isGraphicsInitialized && _isLandscapeEnabled;
-
-		// .. stuff that depends on other stuff goes on top to prioritize deinitialization
-
-		// Landscape
-		if (_isLandscapeInitialized)
-		{
-			if (!wantLandscape)
-			{
-				_isLandscapeInitialized = false;
-//				if (_isGraphicsInitialized)
-//					Modules::veget().releaseGraphics();
-				Modules::veget().release();
-				done = false;
-			}
-		}
-		else
-		{
-			if (wantLandscape)
-			{
-				Modules::veget().init();
-//				if (_isGraphicsInitialized)
-//					Modules::veget().initGraphics();
-				_isLandscapeInitialized = true;
-				done = false;
-			}
-		}
-
-		// Graphics (Driver)
-		if (_isGraphicsInitialized)
-		{
-			if (!wantGraphics)
-			{
-				_isGraphicsInitialized = false;
-				if (_isSoundInitialized)
-					Modules::sound().releaseGraphics();
-				_GraphicsViewport->release();
-				done = false;
-			}
-		}
-		else
-		{
-			if (wantGraphics)
-			{
-				_GraphicsViewport->init();
-				if (_isSoundInitialized)
-					Modules::sound().initGraphics();
-				_isGraphicsInitialized = true;
-				done = false;
-			}
-		}
-
-		// Sound (AudioMixer)
-		if (_isSoundInitialized)
-		{
-			if (!wantSound)
-			{
-				_isSoundInitialized = false;
-				if (_isGraphicsInitialized)
-					Modules::sound().releaseGraphics();
-				Modules::sound().release();
-				done = false;
-			}
-		}
-		else
-		{
-			if (wantSound)
-			{
-				Modules::sound().init();
-				if (_isGraphicsInitialized)
-					Modules::sound().initGraphics();
-				_isSoundInitialized = true;
-				done = false;
-			}
-		}
-
-	}
-	while (!done);
-}
-
 void CMainWindow::createActions()
 {
 	_openAction = new QAction(tr("&Open..."), this);
@@ -477,6 +398,9 @@ void CMainWindow::createMenus()
 
 	_toolsMenu->addAction(_SunColorDialog->toggleViewAction());
 
+	//_toolsMenu->addAction(_TuneMRMDialog->toggleViewAction());
+	_TuneMRMDialog->toggleViewAction()->setIcon(QIcon(":/images/ico_mrm_mesh.png"));
+
 	connect(_ParticleControlDialog->toggleViewAction(), SIGNAL(triggered(bool)),
 			_ParticleWorkspaceDialog, SLOT(setVisible(bool)));
 
@@ -518,6 +442,7 @@ void CMainWindow::createToolBars()
 	_toolsBar->addAction(_VegetableDialog->toggleViewAction());
 	_toolsBar->addAction(_GlobalWindDialog->toggleViewAction());
 	_toolsBar->addAction(_SkeletonScaleDialog->toggleViewAction());
+//	_toolsBar->addAction(_TuneMRMDialog->toggleViewAction());
 }
 
 void CMainWindow::createStatusBar()
@@ -591,6 +516,11 @@ void CMainWindow::createDialogs()
 	addDockWidget(Qt::RightDockWidgetArea, _SetupFog);
 	_SetupFog->setVisible(false);
 
+	// create tune mrm dialog
+	_TuneMRMDialog = new CTuneMRMDialog(this);
+	addDockWidget(Qt::BottomDockWidgetArea, _TuneMRMDialog);
+	_TuneMRMDialog->setVisible(false);
+
 	connect(_ParticleControlDialog, SIGNAL(changeState()), _ParticleWorkspaceDialog, SLOT(setNewState()));
 	connect(_ParticleWorkspaceDialog, SIGNAL(changeActiveNode()), _ParticleControlDialog, SLOT(updateActiveNode()));
 	connect(_AnimationSetDialog->ui.setLengthPushButton, SIGNAL(clicked()), _AnimationDialog, SLOT(changeAnimLength()));
@@ -637,8 +567,6 @@ void CMainWindow::cfcbSoundEnabled(NLMISC::CConfigFile::CVar &var)
 
 void CMainWindow::updateRender()
 {
-	updateInitialization(isVisible());
-
 	if (isVisible())
 	{
 
diff --git a/code/nel/tools/3d/object_viewer_qt/src/main_window.h b/code/nel/tools/3d/object_viewer_qt/src/main_window.h
index ee00a84fe..94b8b74cc 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/main_window.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/main_window.h
@@ -53,6 +53,7 @@ class CVegetableDialog;
 class CGlobalWindDialog;
 class CDayNightDialog;
 class CSunColorDialog;
+class CTuneMRMDialog;
 
 class CMainWindow : public QMainWindow
 {
@@ -93,7 +94,6 @@ private:
 	void createStatusBar();
 	void createDialogs();
 
-	void updateInitialization(bool visible);
 	bool loadFile(const QString &fileName, const QString &skelName);
 
 	void cfcbQtStyle(NLMISC::CConfigFile::CVar &var);
@@ -102,7 +102,6 @@ private:
 
 	bool _isGraphicsInitialized, _isGraphicsEnabled;
 	bool _isSoundInitialized, _isSoundEnabled;
-	bool _isLandscapeInitialized, _isLandscapeEnabled;
 
 	CGraphicsViewport *_GraphicsViewport;
 	CAnimationDialog *_AnimationDialog;
@@ -117,7 +116,7 @@ private:
 	CSkeletonScaleDialog *_SkeletonScaleDialog;
 	CDayNightDialog *_DayNightDialog;
 	CSunColorDialog *_SunColorDialog;
-
+	CTuneMRMDialog *_TuneMRMDialog;
 	CSkeletonTreeModel *_SkeletonTreeModel;
 
 	QPalette _originalPalette;
@@ -140,7 +139,6 @@ private:
 	QAction *_renderModeAction;
 	QAction *_frameDelayAction;
 	QAction *_lightGroupAction;
-	QAction *_tuneMRMAction;
 	QAction *_reloadTexturesAction;
 	QAction *_cameraModeAction;
 	QAction *_resetCameraAction;
diff --git a/code/nel/tools/3d/object_viewer_qt/src/object_viewer_qt.qrc b/code/nel/tools/3d/object_viewer_qt/src/object_viewer_qt.qrc
index 1e63d3f0a..5b14b74f6 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/object_viewer_qt.qrc
+++ b/code/nel/tools/3d/object_viewer_qt/src/object_viewer_qt.qrc
@@ -27,6 +27,8 @@
     <file>images/ico_bgcolor.png</file>
     <file>images/ico_framedelay.png</file>
     <file>images/ico_skelscale.png</file>
+    <file>images/ico_mrm_mesh.png</file>
+    <file>images/ico_light_group.png</file>
     <file>images/clear.png</file>
     <file>images/insert.png</file>
     <file>images/new.png</file>
diff --git a/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.cpp b/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.cpp
index 0a17325ad..9a76b9db1 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.cpp
+++ b/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.cpp
@@ -34,7 +34,11 @@ CSunColorDialog::CSunColorDialog(QWidget *parent)
 {
 	_ui.setupUi(this);
 
-	connect(this, SIGNAL(visibilityChanged(bool)), this, SLOT(updateSunColor(bool)));
+	_ui.ambientWidget->setColor(Modules::objView().getScene()->getSunAmbient());
+	_ui.diffuseWidget->setColor(Modules::objView().getScene()->getSunDiffuse());
+	_ui.specularWidget->setColor(Modules::objView().getScene()->getSunSpecular());
+
+	//connect(this, SIGNAL(visibilityChanged(bool)), this, SLOT(updateSunColor(bool)));
 	connect(_ui.ambientWidget, SIGNAL(colorChanged(NLMISC::CRGBA)), this, SLOT(setAmbientSunColor(NLMISC::CRGBA)));
 	connect(_ui.diffuseWidget, SIGNAL(colorChanged(NLMISC::CRGBA)), this, SLOT(setDiffuseSunColor(NLMISC::CRGBA)));
 	connect(_ui.specularWidget, SIGNAL(colorChanged(NLMISC::CRGBA)), this, SLOT(setSpecularSunColor(NLMISC::CRGBA)));
@@ -44,16 +48,6 @@ CSunColorDialog::~CSunColorDialog()
 {
 }
 
-void CSunColorDialog::updateSunColor(bool visible)
-{
-	if (!visible || !Modules::objView().getScene())
-		return;
-
-	_ui.ambientWidget->setColor(Modules::objView().getScene()->getSunAmbient());
-	_ui.diffuseWidget->setColor(Modules::objView().getScene()->getSunDiffuse());
-	_ui.specularWidget->setColor(Modules::objView().getScene()->getSunSpecular());
-}
-
 void CSunColorDialog::setAmbientSunColor(NLMISC::CRGBA color)
 {
 	Modules::objView().getScene()->setSunAmbient(color);
diff --git a/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.h b/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.h
index 1a4592caf..587ab5b1b 100644
--- a/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.h
+++ b/code/nel/tools/3d/object_viewer_qt/src/sun_color_dialog.h
@@ -44,7 +44,6 @@ public:
 	~CSunColorDialog();
 
 private Q_SLOTS:
-	void updateSunColor(bool visible);
 	void setAmbientSunColor(NLMISC::CRGBA color);
 	void setDiffuseSunColor(NLMISC::CRGBA color);
 	void setSpecularSunColor(NLMISC::CRGBA color);