Index: trunk/Mars/mgui/MCamEvent.cc
===================================================================
--- trunk/Mars/mgui/MCamEvent.cc	(revision 12927)
+++ trunk/Mars/mgui/MCamEvent.cc	(revision 12928)
@@ -65,7 +65,5 @@
 Double_t MCamEvent::GetCameraMedian(const MGeomCam &cam, Int_t type) const
 {
-    Int_t    num = 0;
-    Double_t sum = 0;
-    Double_t sq  = 0;
+    Int_t num = 0;
 
     MArrayD arr(cam.GetNumPixels());
@@ -76,6 +74,5 @@
             continue;
 
-        arr[i] = val;
-        num ++;
+        arr[num++] = val;
     }