--- DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2007/06/06 09:36:07	1.37
+++ DarthVader/TrackerLevel2/src/TrkLevel2.cpp	2007/08/22 07:03:45	1.39
@@ -397,7 +397,10 @@
 	    lnl += (tailx[ip]+1.) * log( (tailx[ip]*pow(resx[ip],2.) + pow(xv[ip]-xm[ip],2.)) / (tailx[ip]*pow(resx[ip],2)) ); 
     if(GetNX()>3)lnl=lnl/(GetNX()-3);
     else lnl=0;
-    if(lnl==0)cout << " Float_t  TrkTrack::GetLnLX() -- WARNING -- value not defined "<<lnl<<endl;
+    if(lnl==0){
+	cout << " Float_t  TrkTrack::GetLnLX() -- WARNING -- value not defined "<<lnl<<endl;
+	Dump();
+    }
     return lnl;
     
 }
@@ -411,10 +414,54 @@
 	    lnl += (taily[ip]+1.) * log( (taily[ip]*pow(resy[ip],2.) + pow(yv[ip]-ym[ip],2.)) / (taily[ip]*pow(resy[ip],2)) ); 
     if(GetNY()>2)lnl=lnl/(GetNY()-2);
     else lnl=0;
-    if(lnl==0)cout << " Float_t  TrkTrack::GetLnLY() -- WARNING -- value not defined "<<lnl<<endl;
+    if(lnl==0){
+	cout << " Float_t  TrkTrack::GetLnLY() -- WARNING -- value not defined "<<lnl<<endl;
+	Dump();
+    }
     return lnl;
     
 }
+/**
+ * Returns the effective angle, relative to the sensor, on each plane.
+ * @param ip plane (0-5)
+ * @param iv view (0=x 1=y)
+ */
+Float_t TrkTrack::GetEffectiveAngle(int ip, int iv){
+
+    if(ip<0 || ip>5){
+	cout << "Float_t TrkTrack::GetEffectiveAngle(int "<<ip<<", int "<<iv<<") ==> wrong input"<<endl;
+	return 0.;
+    }
+
+    float v[3]={xv[ip],yv[ip],zv[ip]};
+    //-----------------------------------------
+    // effective angle (relative to the sensor)
+    //-----------------------------------------
+    float axv_geo  = axv[ip];
+    float muhall_h = 297.61; //cm**2/Vs
+    float BY = TrkParams::GetBY(v);
+    float axv_eff = 0;
+    if(ip==5) axv_geo = -1*axv_geo;
+    if(ip==5) BY      = -1*BY;
+    axv_eff = 180.*atan( tan(axv_geo*acos(-1.)/180.) + muhall_h * BY * 0.0001)/acos(-1.);
+    //-----------------------------------------
+    // effective angle (relative to the sensor)
+    //-----------------------------------------
+    float ayv_geo = ayv[ip];
+    float muhall_e = 1258.18; //cm**2/Vs
+    float BX = TrkParams::GetBX(v);
+    float ayv_eff = 0;
+    ayv_eff = 180.*atan( tan(ayv_geo*acos(-1.)/180.) + muhall_e * BX * 0.0001)/acos(-1.);
+  
+    if     (iv==0)return axv_eff;
+    else if(iv==1)return ayv_eff;
+    else{
+	cout << "Float_t TrkTrack::GetEffectiveAngle(int "<<ip<<", int "<<iv<<") ==> wrong input"<<endl;
+	return 0.;
+    }
+  
+};
+
 //--------------------------------------
 //
 //