--- DarthVader/TrackerLevel2/src/ExtTrack.cpp	2016/01/28 14:38:24	1.8
+++ DarthVader/TrackerLevel2/src/ExtTrack.cpp	2016/02/26 12:03:36	1.9
@@ -1014,9 +1014,17 @@
     int ngf = TrkParams::nGF;
     float* zgf =  TrkParams::zGF;
     
+    //this is a patch, to assign correctly xGF and yGF cordinates.
+
     Trajectory tj = Trajectory(ngf,zgf);
     tj.DoTrack(al,zini);
 
+    //NB the folowing assignment is NOT permanent!!! 
+    for(int i=0; i<14; i++){
+	xGF[i] = tj.x[i];
+	yGF[i] = tj.y[i];
+    }
+
     for(int i=0; i<ngf; i++){
 	//
 //	cout << endl << TrkParams::GF_element[i];