diff --git a/invesalius/constants.py b/invesalius/constants.py
index 764be5f..b8a9e3a 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -147,7 +147,7 @@ WINDOW_LEVEL = {"Abdomen":(350,50),
                  "Vasculature - Hard":(240,80),
                  "Vasculature - Soft":(650,160)}
                  
-REDUCE_IMAGEDATA_QUALITY = 1
+REDUCE_IMAGEDATA_QUALITY = 0
 
 # if 1, use vtkVolumeRaycastMapper, if 0, use vtkFixedPointVolumeRayCastMapper
 TYPE_RAYCASTING_MAPPER = 0
diff --git a/invesalius/data/slice_.py b/invesalius/data/slice_.py
index ab6f5c9..2a23a50 100644
--- a/invesalius/data/slice_.py
+++ b/invesalius/data/slice_.py
@@ -294,7 +294,7 @@ class Slice(object):
 
 
     def GetOutput(self):
-        return self.cast_filter.GetOutput()
+        return self.cross.GetOutput()
 
 
 
@@ -338,13 +338,13 @@ class Slice(object):
         cross.Modified()
         self.cross = cross
 
-        cast = vtk.vtkImageCast()
-        cast.SetInput(cross.GetOutput())
-        cast.GetOutput().SetUpdateExtentToWholeExtent()
-        cast.SetOutputScalarTypeToUnsignedChar()
-        cast.Update()
+        #cast = vtk.vtkImageCast()
+        #cast.SetInput(cross.GetOutput())
+        #cast.GetOutput().SetUpdateExtentToWholeExtent()
+        #cast.SetOutputScalarTypeToUnsignedChar()
+        #cast.Update()
 
-        self.cast_filter = cast
+        #self.cast_filter = cast
 
 
     def UpdateCursorPosition(self, pubsub_evt):
@@ -352,7 +352,7 @@ class Slice(object):
         new_pos = pubsub_evt.data
         self.cross.SetCursorPosition(new_pos)
         self.cross.Modified()
-        self.cast_filter.Update()
+        self.cross.Update()
         ps.Publisher().sendMessage('Update slice viewer')
 
     def UpdateCursorPositionSingleAxis(self, pubsub_evt):
@@ -363,7 +363,7 @@ class Slice(object):
             new_pos[key] = axis_pos[key]
         self.cross.SetCursorPosition(new_pos)
         self.cross.Modified()
-        self.cast_filter.Update()
+        self.cross.Update()
         ps.Publisher().sendMessage('Update slice viewer')
 
 
diff --git a/invesalius/data/viewer_slice.py b/invesalius/data/viewer_slice.py
index 0e42c68..6912f20 100755
--- a/invesalius/data/viewer_slice.py
+++ b/invesalius/data/viewer_slice.py
@@ -40,14 +40,14 @@ class Viewer(wx.Panel):
         self.SetBackgroundColour(colour)
 
         # Interactor additional style
-        self.modes = []#['DEFAULT']
+        self.modes = ['DEFAULT']
         self.mouse_pressed = 0
 
         # All renderers and image actors in this viewer
         self.slice_data_list = []
         # The layout from slice_data, the first is number of cols, the second
         # is the number of rows
-        self.layout = (1, 1)
+        self.layout = (2, 2)
 
         self.__init_gui()
 
@@ -102,7 +102,7 @@ class Viewer(wx.Panel):
     def append_mode(self, mode):
 
         #TODO: Temporary
-        self.modes = []
+        #self.modes = []
 
         # Retrieve currently set modes
         self.modes.append(mode)
@@ -238,9 +238,12 @@ class Viewer(wx.Panel):
         
     def ChangeZoomMode(self, pubsub_evt):
         self.append_mode('ZOOM')
+        print "Zoom"
         self.mouse_pressed = 0
         ICON_IMAGE = wx.Image("../icons/tool_zoom.png",wx.BITMAP_TYPE_PNG)
-        self.interactor.SetCursor(wx.CursorFromImage(ICON_IMAGE))
+        ICON_IMAGE.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_X, 0)
+        ICON_IMAGE.SetOptionInt(wx.IMAGE_OPTION_CUR_HOTSPOT_Y, 0)
+        wx.SetCursor(wx.CursorFromImage(ICON_IMAGE))
 
     def ChangePanMode(self, pubsub_evt):
         self.append_mode('PAN')
@@ -250,7 +253,7 @@ class Viewer(wx.Panel):
     def ChangeZoomSelectMode(self, pubsub_evt):
         self.append_mode('ZOOMSELECT')
         ICON_IMAGE = wx.Image("../icons/tool_zoom.png",wx.BITMAP_TYPE_PNG)
-        self.interactor.SetCursor(wx.CursorFromImage(ICON_IMAGE))
+        wx.SetCursor(wx.CursorFromImage(ICON_IMAGE))
 
     def OnPanMove(self, evt, obj):
         if (self.mouse_pressed):
--
libgit2 0.21.2