+++ /dev/null
-#ifndef ALIITSMODULE_H
-#define ALIITSMODULE_H
-/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * See cxx source for full Copyright notice */
-
-/* $Id$ */
-///////////////////////////////////////////////////////////////////////
-// //
-// Class AliITSmodule //
-// is a superclass for AliITSmoduleSSD, SPD and SDD. //
-// The main function of modules is to simulate DIGITS from //
-// GEANT HITS and produce POINTS from DIGITS //
-// It also make fast simulation without use of DIGITS //
-// //
-// created by: A.Boucham, W.Peryt, S.Radomski, P.Skowronski //
-// R.Barbera, B. Batynia, B. Nilsen //
-// ver. 1.0 CERN, 16.09.1999 //
-// //
-///////////////////////////////////////////////////////////////////////
-
-#include <TObject.h>
-#include <TObjArray.h>
-#include <TArrayI.h> // used in inline functions GetHitTrackIndex,GetHitHitIndex, and GetHitTrackAndHitIndex.
-
-class AliITS;
-class AliITShit;
-
-
-class AliITSmodule:public TObject{
-
-
- public:
- //________________________________________________________________
- //
- // Constructors and deconstructor
- //________________________________________________________________
- //
- AliITSmodule(); // default constructor
- AliITSmodule(Int_t index); //index in TObjectArray in ITS object
- virtual ~AliITSmodule();
-
- //________________________________________________________________
- //
- // Position managenent (id's getters)
- //________________________________________________________________
- //
-
- Int_t GetIndex() const {
- // get index
- return fIndex;
- }
- void GetID(Int_t &lay,Int_t &lad,Int_t &det);
- Int_t GetLayer() {
- // get layer
- Int_t i,j,k;GetID(i,j,k);return i;
- }
- Int_t GetLadder(){
- // get ladder
- Int_t i,j,k;GetID(i,j,k);return j;
- }
- Int_t GetDet(){
- // get det
- Int_t i,j,k;GetID(i,j,k);return k;
- }
- //________________________________________________________________
- //
- // Hits management
- //________________________________________________________________
- //
- Int_t GetNhits() const {
- // get num of hits
- return fHitsM->GetEntriesFast();
- }
- AliITS *GetITS() const {
- // get ITS
- return fITS;
- }
- TObjArray *GetHits() const {
- // get hits
- return fHitsM;
- }
- AliITShit *GetHit(Int_t i) {
- // returns pointer to array (TClonesArray) of pointers to hits
- return (AliITShit*)fHitsM->At(i);
- }
- // Adds pointer of hit belonging to this module
- // and returns number of hits in this module
- Int_t AddHit(AliITShit *hit,Int_t TrackIndex,Int_t HitIndex);
- Int_t GetHitTrackIndex(Int_t i) {// get hit track index
- return fTrackIndex->At(i);}
- Int_t GetHitHitIndex(Int_t i) {
- // return the hit index number in TreeH for the given sorted hit in
- // the module.
- return fHitIndex->At(i);}
- void GetHitTrackAndHitIndex(Int_t i,Int_t &TrackIndex,Int_t &HitIndex) {
- // return the hit index number for the given hit. Hits are kept on
- // file according to their track index and hit index numbers.
- TrackIndex = fTrackIndex->At(i);HitIndex = fHitIndex->At(i);}
- // Computes mean global location from hits that make up a track passing
- // through a volume.
- Bool_t MedianHitG(AliITShit *h1,AliITShit *h2,
- Float_t &x,Float_t &y,Float_t &z);
- void MedianHitG(Int_t index, Float_t hitx1,Float_t hity1,Float_t hitz1,
- Float_t hitx2,Float_t hity2,Float_t hitz2, Float_t &xMg,
- Float_t &yMg, Float_t &zMg);
- // Computes mean local location from hits that make up a track passing
- // through a volume.
- Bool_t MedianHitL(AliITShit *h1,AliITShit *h2,
- Float_t &x,Float_t &y,Float_t &z) const;
- void MedianHitL(Int_t,AliITShit *,AliITShit *,Float_t &,Float_t &,
- Float_t &){};
- Double_t PathLength(const AliITShit *itsHit1,const AliITShit *itsHit2);
- // returns both the track and hit index numbers for the given hit. Hits
- // are kept on file according to their track index and hit index numbers.
- void MedianHit(Int_t index, Float_t xg,Float_t yg,Float_t zg,
- Int_t status,Float_t &xMg, Float_t &yMg, Float_t &zMg,
- Int_t &flag);
- void PathLength(Float_t x,Float_t y,Float_t z,Int_t status,
- Int_t &nseg,Float_t &x1,Float_t &y1,Float_t &z1,
- Float_t &dx1,Float_t &dy1, Float_t &dz1,Int_t &flag) const;
- Bool_t LineSegmentL(Int_t hindex,Double_t &a,Double_t &b,
- Double_t &c,Double_t &d,Double_t &e,Double_t &f,
- Double_t &de);
- Bool_t LineSegmentL(Int_t hindex,Double_t &a,Double_t &b,
- Double_t &c,Double_t &d,Double_t &e,Double_t &f,
- Double_t &de,Int_t &track);
- // if returns kTRUE; gives the parameterization of the line segment
- // from this step. x=a+b*t, y=c+d*t, and z=e+f*t for 0.0t<=1.0 and the
- // energy lost during this step all in the local detector coordinates.
- // if returns kFALSE; this is a begining step and no energy loss has
- // occured. This step is used to set up the next steps. Do not use
- // this parameterization.
- Bool_t LineSegmentG(Int_t hindex,Double_t &a,Double_t &b,
- Double_t &c,Double_t &d,Double_t &e,Double_t &f,
- Double_t &de);
- Bool_t LineSegmentG(Int_t hindex,Double_t &a,Double_t &b,
- Double_t &c,Double_t &d,Double_t &e,Double_t &f,
- Double_t &de,Int_t &track);
- // if returns kTRUE; gives the parameterization of the line segment
- // from this step. x=a+b*t, y=c+d*t, and z=e+f*t for 0.0t<=1.0 and the
- // energy lost during this step all in the global detector coordinates.
- // if returns kFALSE; this is a begining step and no energy loss has
- // occured. This step is used to set up the next steps. Do not use
- // this parameterization.
-
- protected:
- AliITSmodule(const AliITSmodule &source);
- AliITSmodule& operator=(const AliITSmodule &source);
- //________________________________________________________________
- //
- // Data members
- //________________________________________________________________
- //
- AliITS *fITS; // Pointer to ITS detector
- Int_t fIndex; //Index of this module in ITSmodules TObjectArray
- TObjArray *fHitsM; // Pointer to list of hits on this module
- TArrayI *fTrackIndex; // track index
- TArrayI *fHitIndex; // hit index
-
- ClassDef(AliITSmodule,0) // Copy the hits into a more useful order
- // Version set to zero so that we do not write out this class.
-};
-
-#endif
-
-
-
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