diff --git a/modules/gui/pymod/__init__.py b/modules/gui/pymod/__init__.py
index ebacf39c9522f704735c7985610b6f6404856aa9..86346306b822824a66c8cbd4106d447f589cb71a 100644
--- a/modules/gui/pymod/__init__.py
+++ b/modules/gui/pymod/__init__.py
@@ -202,3 +202,16 @@ class ManyOf:
       if not found:
         return False
     return True
+
+from ost import PushVerbosityLevel as _PushVerbosityLevel
+from ost import PopVerbosityLevel as _PopVerbosityLevel
+from ost import GetVerbosityLevel as _GetVerbosityLevel
+
+
+def PushVerbosityLevel(value):
+  GostyApp.Instance().perspective.ChangeVerbositySlider(value)
+
+def PopVerbosityLevel():
+  _PopVerbosityLevel()
+  GostyApp.Instance().perspective.ChangeVerbositySlider(_GetVerbosityLevel())
+  _PopVerbosityLevel() # the slider change pushes a new level :-(
diff --git a/modules/gui/pymod/dng/init.py b/modules/gui/pymod/dng/init.py
index b56ce5ab2f83692720e1d2f2b8be96300adbf7bb..99773b4bc51b0d60369b18506fb82c9fdf11605d 100644
--- a/modules/gui/pymod/dng/init.py
+++ b/modules/gui/pymod/dng/init.py
@@ -207,7 +207,7 @@ else:
   print >> rcfile, '# IMPORTANT_DIR="path/to/important/dir"'
   rcfile.close()
 
-ost.PushVerbosityLevel(options.vlevel)
+ost.gui.PushVerbosityLevel(options.vlevel)
 working_dir=settings.GetValue("DNG_WORKING_DIR",None)
 
 if working_dir != None and os.path.isdir(working_dir):
diff --git a/modules/gui/pymod/export_perspective.cc b/modules/gui/pymod/export_perspective.cc
index 9e234279a901a9da02a0111c6e28636aa2b89cc9..720ef3200b84eca113dfac31778ace720000d607 100644
--- a/modules/gui/pymod/export_perspective.cc
+++ b/modules/gui/pymod/export_perspective.cc
@@ -57,7 +57,8 @@ void export_Perspective()
     .def("StatusMessage", &Perspective::StatusMessage)
     .def("Restore", &Perspective::Restore)
     .def("Save", &Perspective::Save)
-    .add_property("main_area", make_function(&Perspective::GetMainArea, 
+    .def("ChangeVerbositySlider", &Perspective::ChangeVerbositySlider)
+    .add_property("main_area", make_function(&Perspective::GetMainArea,
                   return_value_policy<reference_existing_object>()))
     .add_property("panels", make_function(&Perspective::GetPanels,
                   return_value_policy<reference_existing_object>()))
diff --git a/modules/gui/src/perspective.cc b/modules/gui/src/perspective.cc
index b95b6f5ef523a92caf69e4a0225f298d5326b42e..32bfadbc663e1c2ae581f8d35490b74d59e89889 100644
--- a/modules/gui/src/perspective.cc
+++ b/modules/gui/src/perspective.cc
@@ -19,6 +19,8 @@
 
 #include <ost/platform.hh>
 
+#include <ost/log.hh>
+
 #include <ost/gui/widget_registry.hh>
 #include <ost/gui/perspective.hh>
 #include <ost/gui/file_browser.hh>
@@ -45,6 +47,7 @@
 #include <QMap>
 #include <QString>
 #include <QStatusBar>
+#include <QSlider>
 
 /*
   Author: Marco Biasini
@@ -55,7 +58,8 @@ Perspective::Perspective(QMainWindow* parent):
   QObject(parent), central_(new QWidget(parent)), 
   menu_bar_(new QMenuBar(parent)),
   main_area_(new MainArea),
-  quick_access_bar_(new QWidget)
+  quick_access_bar_(new QWidget),
+  verbosity_slider_(new QSlider(Qt::Horizontal,quick_access_bar_))
 {
   parent->setMenuBar(menu_bar_);
 
@@ -107,7 +111,19 @@ void Perspective::SetupQuickAccessBar()
   add_side_bar_widget->setIconSize(QSize(10,10));  
   connect(add_side_bar_widget, SIGNAL(clicked()), this, 
           SLOT(AddSideBarWidget()));          
+
   l2->addWidget(add_side_bar_widget, 0);
+
+  verbosity_slider_->setMinimum(0);
+  verbosity_slider_->setMaximum(5);
+  verbosity_slider_->setValue(Logger::Instance().GetVerbosityLevel());
+  verbosity_slider_->setToolTip("Verbosity Level");
+  verbosity_slider_->setTickPosition(QSlider::TicksBothSides);
+  verbosity_slider_->setFixedWidth(100);
+  connect(verbosity_slider_, SIGNAL(valueChanged(int)),
+          this,SLOT(VerbosityChanged(int)));
+  l2->addWidget(verbosity_slider_, 0);
+
   l2->addWidget(status_bar_);
   l2->addWidget(new MessageBoxWidget(quick_access_bar_));
   l2->addWidget(new QSizeGrip(quick_access_bar_));
@@ -157,6 +173,17 @@ void Perspective::AddSideBarWidget()
   delete sb;
 }
 
+void Perspective::ChangeVerbositySlider(int value)
+{
+  verbosity_slider_->setValue(value);
+}
+
+
+void Perspective::VerbosityChanged(int value)
+{
+  Logger::Instance().PushVerbosityLevel(value);
+}
+
 bool Perspective::Restore()
 {
   return true;
diff --git a/modules/gui/src/perspective.hh b/modules/gui/src/perspective.hh
index 19500cfd328834f8ba613cefb208213957f87bc2..573133e73b8d871b001bfd315d202afd43af7222 100644
--- a/modules/gui/src/perspective.hh
+++ b/modules/gui/src/perspective.hh
@@ -33,6 +33,7 @@ class QMenuBar;
 class QStatusBar;
 class QMainWindow;
 class QTextEdit;
+class QSlider;
 
 namespace ost { namespace gui {
 
@@ -80,14 +81,18 @@ public:
   /// \return Returns true if it was successful. Otherwise false
   bool Save();
 
+  void ChangeVerbositySlider(int value);
+
 private slots:
   void AddSideBarWidget();
+  void VerbosityChanged(int value);
 
 public slots:
   /// \brief set status message
   /// \param m The message that will be displayed in the status bar.
   void StatusMessage(const String& m);
 
+
 private:
   void SetupQuickAccessBar();
   QWidget*        central_;
@@ -96,6 +101,7 @@ private:
   PanelManager*   panels_;
   QWidget*        quick_access_bar_;
   QStatusBar*     status_bar_;
+  QSlider* verbosity_slider_;
 };
 
 }}
diff --git a/scripts/init.py b/scripts/init.py
index 732120f6da62d07aab5176e5fbe70d31e983149f..e96acc915fd88ac85fd900960f3a0c055aaff0b9 100644
--- a/scripts/init.py
+++ b/scripts/init.py
@@ -1,3 +1,4 @@
 from ost import *
 from ost import gui
-import ost.gui.dng.init
\ No newline at end of file
+import ost.gui.dng.init
+from ost.gui import PushVerbosityLevel,PopVerbosityLevel