diff --git a/invesalius/data/slice_data.py b/invesalius/data/slice_data.py
index d750e2c..a2cb94b 100644
--- a/invesalius/data/slice_data.py
+++ b/invesalius/data/slice_data.py
@@ -16,15 +16,43 @@
 #    PARTICULAR. Consulte a Licenca Publica Geral GNU para obter mais
 #    detalhes.
 #--------------------------------------------------------------------------
+import vtk
+
 class SliceData(object):
     def __init__(self):
         self.renderer = None
         self.actor = None
         self.number = 0
         self.cursor = None
+        self.__create_text()
+
+    def __create_text(self):
+        text_property = vtk.vtkTextProperty()
+        text_property.SetFontSize(16)
+        text_property.SetFontFamilyToTimes()
+        text_property.BoldOn()
+        #text_property.SetColor(colour)
+
+        text_actor = vtk.vtkTextActor()
+        text_actor.SetInput("%d" % self.number)
+        text_actor.GetTextProperty().ShallowCopy(text_property)
+        text_actor.SetPosition(1,1)
+        self.text_actor = text_actor
+
+    def SetNumber(self, number):
+        self.number = number
+        self.text_actor.SetInput("%d" % self.number)
 
     def SetCursor(self, cursor):
         if self.cursor:
             self.renderer.RemoveActor(self.cursor.actor)
         self.renderer.AddActor(cursor.actor)
         self.cursor = cursor
+
+    def Hide(self):
+        self.renderer.RemoveActor(self.actor)
+        self.renderer.RemoveActor(self.text_actor)
+
+    def Show(self):
+        self.renderer.AddActor(self.actor)
+        self.renderer.AddActor(self.text_actor)
diff --git a/invesalius/data/viewer_slice.py b/invesalius/data/viewer_slice.py
index 8566acb..b8e4615 100755
--- a/invesalius/data/viewer_slice.py
+++ b/invesalius/data/viewer_slice.py
@@ -209,7 +209,7 @@ class Viewer(wx.Panel):
     def __set_mode_editor(self, pubsub_evt):
         self.append_mode('EDITOR')
         self.mouse_pressed = 0
-        #self.interactor.SetCursor(wx.StockCursor(wx.CURSOR_BLANK))
+        self.interactor.SetCursor(wx.StockCursor(wx.CURSOR_BLANK))
 
     def __set_mode_spin(self, pubsub_evt):
         self.append_mode('SPIN')
@@ -1020,10 +1020,11 @@ class Viewer(wx.Panel):
         self.interactor.GetRenderWindow().AddRenderer(renderer)
         actor = vtk.vtkImageActor()
         actor.SetInput(imagedata)
-        renderer.AddActor(actor)
         slice_data = SliceData()
         slice_data.renderer = renderer
         slice_data.actor = actor
+        renderer.AddActor(actor)
+        renderer.AddActor(slice_data.text_actor)
         return slice_data
 
     def __update_camera(self, slice_data):
@@ -1141,11 +1142,11 @@ class Viewer(wx.Panel):
             pos = self.layout[0] * self.layout[1] * index + n
             max = actor.GetSliceNumberMax()
             if pos < max:
-                slice_data.number = pos
+                slice_data.SetNumber(pos)
                 self.__update_display_extent(slice_data)
-                ren.AddActor(actor)
+                slice_data.Show()
             else:
-                ren.RemoveActor(actor)
+                slice_data.Hide()
 
             position = {"SAGITAL": {0: slice_data.number},
                         "CORONAL": {1: slice_data.number},
--
libgit2 0.21.2