--- DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2014/10/15 08:45:51	1.59
+++ DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2016/01/28 14:38:24	1.60
@@ -939,6 +939,24 @@
  	for(int i=0; i<5; i++) al[i]=al_ini[i]; 
     }
 
+
+    //ELENA 2015
+    int ngf = TrkParams::nGF;
+    float* zgf =  TrkParams::zGF;    
+    Trajectory tj = Trajectory(ngf,zgf);
+    tj.DoTrack(al,ZINI);
+    for(int i=0; i<14; i++){
+	xGF[i] = tj.x[i];
+	yGF[i] = tj.y[i];
+    }
+    if(ngf!=14){
+	cout << "TrkTrack::Fit("<<pfixed<<","<<fail<<","<<iprint<<","<<froml1<<"<<) "<<endl;;
+	cout << "TrkParams::nGF = "<<TrkParams::nGF<<" != 14 "<<endl;
+	cout << "back-incompatibility !?!?! acceptance check not reliable"<<endl;
+    }
+    
+    
+
 };
 /**
  * Reset the fit parameters