diff --git a/invesalius/control.py b/invesalius/control.py
index 43ad023..862867d 100755
--- a/invesalius/control.py
+++ b/invesalius/control.py
@@ -93,13 +93,16 @@ class Controller():
             proj.SetAcquisitionModality(acquisition_modality)
             proj.imagedata = imagedata
             proj.original_orientation = orientation
-            proj.window = window
-            proj.level = level
+        
+
+            threshold_range = proj.imagedata.GetScalarRange()
+            
+            proj.window = window = threshold_range[1] - threshold_range[0]
+            proj.level = level = (0.5 * (threshold_range[1] + threshold_range[0]))
             
             const.WINDOW_LEVEL['Default'] = (window, level)
             const.WINDOW_LEVEL['Other'] = (window, level)
-
-            threshold_range = proj.imagedata.GetScalarRange()
+                        
             const.THRESHOLD_OUTVALUE = threshold_range[0]
             const.THRESHOLD_INVALUE = threshold_range[1]
 
--
libgit2 0.21.2