Index: trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx
===================================================================
--- trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx	(revision 1590)
+++ trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.cxx	(revision 1591)
@@ -51,4 +51,8 @@
 //  Float_t fSlopeSpec;        Spectral index
 //
+//  Third version:
+//
+//  Byte_t fOpticLinksNoise;   Flag to state if the optic noise is simualted or not
+//
 ////////////////////////////////////////////////////////////////////////////
 
@@ -64,5 +68,5 @@
 // --------------------------------------------------------------------------
 //
-// Default constructor. Creates array which stores the pixel assignment.
+// Default constructor.
 //
 //
@@ -117,4 +121,5 @@
     fReflVersion = 0;
     fCamVersion = 0;
+    fOpticLinksNoise= 0;
 
 }
@@ -170,5 +175,6 @@
 			const UInt_t   corsika,
 			const UInt_t   refl,
-			const UInt_t   cam)
+			const UInt_t   cam,
+			const Byte_t   opticnoise)
 {
     fMcRunNumber =runnumber;
@@ -217,5 +223,5 @@
     fReflVersion = refl;
     fCamVersion = cam;
-    
+    fOpticLinksNoise= opticnoise;
 }
 
Index: trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.hxx
===================================================================
--- trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.hxx	(revision 1590)
+++ trunk/MagicSoft/include-Classes/MMcFormat/MMcRunHeader.hxx	(revision 1591)
@@ -132,5 +132,6 @@
 	    const UInt_t   corsika,
 	    const UInt_t   refl,
-	    const UInt_t   cam
+	    const UInt_t   cam,
+	    const Byte_t   opticnoise 
 	    );