fix position of the TRD system wrt target

trd/trd_v22a_mcbm.digi.par

@@ -9,15 +9,15 @@ MaxSectors:  Int_t  3
 ModuleIdArray:  Int_t \
   5 21 37 
 5:  Double_t \
-  0 0.3 0.4 0 0 0 154.57 27 27.9 0.6  \
+  0 0.3 0.4 0 0 0 98.57 27 27.9 0.6  \
   54 2.79 0.75 2.79 54 50.22 0.75 2.79 54 2.79  \
   0.75 2.79 
 21:  Double_t \
-  2 0.25 0.35 0.375 0 0 183.6 46 46 0.6  \
+  2 0.25 0.35 0.375 0 0 127.6 46 46 0.6  \
   92 30.5 0.71875 15.25 92 31 0.71875 15.5 92 30.5  \
   0.71875 15.25 
 37:  Double_t \
-  1 0.25 0.35 0.375 0 0 210.6 46 46 0.6  \
+  1 0.25 0.35 0.375 0 0 154.6 46 46 0.6  \
   92 30.5 0.71875 15.25 92 31 0.71875 15.5 92 30.5  \
   0.71875 15.25 
 ##############################################################################

[Florian Uhlig]

@a.bercuci,

I think the change is fine for the time being but on the long run we should take the geometry information from the TGeoManager.