Index: trunk/Mars/mimage/MHillasSrc.h
===================================================================
--- trunk/Mars/mimage/MHillasSrc.h	(revision 19130)
+++ trunk/Mars/mimage/MHillasSrc.h	(revision 19131)
@@ -47,4 +47,5 @@
     Float_t GetDist()          const { return fDist; }
     Float_t GetCosDeltaAlpha() const { return fCosDeltaAlpha; }
+    Int_t   GetSign()          const { return fCosDeltaAlpha>0 ? 1 : -1; }
     Float_t GetDCA()           const { return fDCA; }
     Float_t GetDCADelta()      const { return fDCADelta; }