return pne;
}
+
+//______________________________________________________________________
+Bool_t AliITSgeomTGeo::LocalToGlobal(Int_t index,
+ const Double_t *loc, Double_t *glob)
+{
+ // Make the conversion from the local sensitive reference system to the global
+ // reference system, for an arbitrary local position. The input is the pointer
+ // to the array of local coordinates, the result is sent to the glob pointer.
+ //
+ // Please don't use this method to get the global coordinates of clusters, use
+ // the direct method of AliCluster instead.
+
+ const TGeoHMatrix *m2 = GetTracking2LocalMatrix(index);
+ if (!m2) return kFALSE;
+
+ // The shift (in local y only) between alignable and sensitive volume
+ // is extracted directly from the Tracking2Local matrix
+ Double_t locSens[] = {loc[0], loc[1]+m2->GetTranslation()[1], loc[2]};
+
+ TGeoHMatrix *ml = GetMatrix(index);
+ if (!ml) return kFALSE;
+ ml->LocalToMaster(locSens,glob);
+ return kTRUE;
+}
+
+//______________________________________________________________________
+Bool_t AliITSgeomTGeo::GlobalToLocal(Int_t index,
+ const Double_t *glob, Double_t *loc)
+{
+ // Make the conversion from the global reference system to the sensitive local
+ // reference system, for an arbitrary global position. The input is the pointer
+ // to the array of global coordinates, the result is sent to the loc pointer.
+
+ TGeoHMatrix *ml = GetMatrix(index);
+ if (!ml) return kFALSE;
+
+ const TGeoHMatrix *m2 = GetTracking2LocalMatrix(index);
+ if (!m2) return kFALSE;
+ ml->MasterToLocal(glob,loc);
+ // The shift (in local y only) between alignable and sensitive volume
+ // is extracted directly from the Tracking2Local matrix
+ loc[1] -= m2->GetTranslation()[1];
+
+ return kTRUE;
+}
+
+//______________________________________________________________________
+Bool_t AliITSgeomTGeo::LocalToGlobalVect(Int_t index,
+ const Double_t *loc, Double_t *glob)
+{
+ // Make the conversion from the local sensitive reference system to the global
+ // reference system, for an arbitrary vector. The input is the pointer to the
+ // array of local coordinates, the result is sent to the glob pointer.
+
+ TGeoHMatrix *ml = GetMatrix(index);
+ if (!ml) return kFALSE;
+ ml->LocalToMasterVect(loc,glob);
+ return kTRUE;
+}
+
+//______________________________________________________________________
+Bool_t AliITSgeomTGeo::GlobalToLocalVect(Int_t index,
+ const Double_t *glob, Double_t *loc)
+{
+ // Make the conversion from the global reference system to the sensitive local
+ // reference system, for an arbitrary vector. The input is the pointer to the
+ // array of global coordinates, the result is sent to the loc pointer.
+
+ TGeoHMatrix *ml = GetMatrix(index);
+ if (!ml) return kFALSE;
+ ml->MasterToLocalVect(glob,loc);
+
+ return kTRUE;
+}
static Bool_t GetTrackingMatrix(Int_t lay,Int_t lad,Int_t det, TGeoHMatrix &m)
{ return GetTrackingMatrix(GetModuleIndex(lay,lad,det),m); }
+ static Bool_t LocalToGlobal(Int_t index, const Double_t *loc, Double_t *glob);
+ static Bool_t LocalToGlobal(Int_t lay, Int_t lad, Int_t det,
+ const Double_t *loc, Double_t *glob)
+ { return LocalToGlobal(GetModuleIndex(lay,lad,det), loc, glob);}
+
+ static Bool_t GlobalToLocal(Int_t index, const Double_t *glob, Double_t *loc);
+ static Bool_t GlobalToLocal(Int_t lay, Int_t lad, Int_t det,
+ const Double_t *glob, Double_t *loc)
+ { return GlobalToLocal(GetModuleIndex(lay,lad,det), glob, loc);}
+
+ static Bool_t LocalToGlobalVect(Int_t index, const Double_t *loc, Double_t *glob);
+ static Bool_t GlobalToLocalVect(Int_t index, const Double_t *glob, Double_t *loc);
+
private:
enum {kNLayers = 6}; // The number of layers.