diff --git a/invesalius/constants.py b/invesalius/constants.py
index 1981d5e..8ff7db8 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -161,7 +161,7 @@ WINDOW_LEVEL = {"Abdomen":(350,50),
                  "Vasculature - Hard":(240,80),
                  "Vasculature - Soft":(650,160)}
 
-REDUCE_IMAGEDATA_QUALITY = 0
+REDUCE_IMAGEDATA_QUALITY = 1 
 
 # if 1, use vtkVolumeRaycastMapper, if 0, use vtkFixedPointVolumeRayCastMapper
 TYPE_RAYCASTING_MAPPER = 0
diff --git a/invesalius/gui/default_viewers.py b/invesalius/gui/default_viewers.py
index b79e54c..d69d7ac 100755
--- a/invesalius/gui/default_viewers.py
+++ b/invesalius/gui/default_viewers.py
@@ -483,7 +483,6 @@ class VolumeToolPanel(wx.Panel):
     def OnMenuRaycasting(self, evt):
         """Events from raycasting menu."""
         id = evt.GetId()
-        evt.Skip()
         if id in ID_TO_NAME.keys():
             # Raycassting type was selected
             name = ID_TO_NAME[id]
--
libgit2 0.21.2