--- DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2007/05/24 13:29:09	1.34
+++ DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2007/05/24 14:32:14	1.35
@@ -754,8 +754,22 @@
     extern cMini2track track_;
     track_.istepmin = istepmin;
 }
-
-
+/**
+ * Returns 1 if the track is inside the magnet cavity
+ * Set the minimum number of steps for tracking precision 
+ */
+Bool_t TrkTrack::IsInsideCavity(){
+    float xmagntop, ymagntop, xmagnbottom, ymagnbottom;
+    xmagntop = xv[0] + (ZMAGNHIGH-zv[0])*tan(cos(-1.0)*axv[0]/180.);
+    ymagntop = yv[0] + (ZMAGNHIGH-zv[0])*tan(cos(-1.0)*ayv[0]/180.);
+    xmagnbottom = xv[5] + (ZMAGNLOW-zv[5])*tan(cos(-1.0)*axv[5]/180.);
+    ymagnbottom = yv[5] + (ZMAGNLOW-zv[5])*tan(cos(-1.0)*ayv[5]/180.);
+    if( xmagntop>XMAGNLOW && xmagntop<XMAGNHIGH &&
+	ymagntop>YMAGNLOW && ymagntop<YMAGNHIGH &&
+	xmagnbottom>XMAGNLOW && xmagnbottom<XMAGNHIGH &&
+	ymagnbottom>YMAGNLOW && ymagnbottom<YMAGNHIGH ) return(true);
+    else return(false);
+}
 /**
  * Method to retrieve ID (0,1,...) of x-cluster (if any) associated to this track.
  * If no cluster is associated, ID=-1.