-#ifndef ITS_H
-#define ITS_H
-////////////////////////////////////////////////
-// Manager and hits classes for set: ITS //
-////////////////////////////////////////////////
+#ifndef ALIITS_H
+#define ALIITS_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+/* $Id$ */
+
+////////////////////////////////////////////////////////////////////////
+// Manager class for set: ITS //
+////////////////////////////////////////////////////////////////////////
+
+
+#include <TObjArray.h> // used in inline function GetModule.
#include "AliDetector.h"
-#include "AliHit.h"
-#include "AliDigit.h"
+#include "AliITSTrigger.h"
+#include "AliITSDetTypeSim.h"
+
+
+class TString;
+class TTree;
+class AliITSpListItem;
+class AliITSsimulation;
+class AliITSsegmentation;
+
+class AliITSCalibration;
+class AliITShit;
+class AliITSgeom;
+class AliITSdigit;
+class AliITSmodule;
+class AliRunDigitizer;
+
class AliITS : public AliDetector {
-
-protected:
-
- Bool_t fEuclidOut;
-
- Int_t fIdSens1; //First layer identifier
- Int_t fIdSens2; //Second layer identifier
- Int_t fIdSens3; //Third layer identifier
- Int_t fIdSens4; //Fourth layer identifier
- Int_t fIdSens5; //Fifth layer identifier
- Int_t fIdSens6; //Sixth layer identifier
-
-public:
- AliITS();
- AliITS(const char *name, const char *title);
- virtual ~AliITS();
- virtual void AddHit(Int_t, Int_t*, Float_t*);
- virtual void AddDigit(Int_t*, Int_t*);
- virtual void BuildGeometry();
- virtual void CreateGeometry() {}
- virtual void CreateMaterials();
- virtual Int_t IsVersion() const =0;
- Int_t DistancetoPrimitive(Int_t px, Int_t py);
- virtual void Init();
- virtual void MakeBranch(Option_t *opt=" ");
- virtual void SetEUCLID(Bool_t euclid=1);
- virtual void StepManager()=0;
-
- ClassDef(AliITS,1) //Hits manager for set:ITS
-};
-
-//___________________________________________
-class AliITSdigit: public AliDigit {
-public:
- Int_t fEvent; // Event number
- Int_t fLayer; // Layer number
- Int_t fDet ; // Detector number
- Int_t fNoverl; // Number of overflow
-
-public:
- AliITSdigit() {}
- AliITSdigit(Int_t *tracks, Int_t *digits);
- virtual ~AliITSdigit() {}
-
- ClassDef(AliITSdigit,1) //Digit (Header) object for set:ITS
-};
-
-//___________________________________________
-
-class AliITShit : public AliHit {
-public:
- Int_t fLayer; // Layer number
- Int_t fLadder; // Ladder number
- Int_t fDet; // Detector number
- Float_t fPx ; //PX
- Float_t fPy ; //PY
- Float_t fPz ; //PZ
- Float_t fDestep; // Energy deposited in the current step
-public:
- AliITShit() {}
- AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits);
- virtual ~AliITShit() {}
-
- ClassDef(AliITShit,1) //Hits object for set:ITS
+ public:
+ //================= Standard Classes ===============================
+ AliITS(); // Default creator.
+ AliITS(const Char_t *title); // standard Creator
+ AliITS(const char *name, const char *title); // extended standard Creator
+ virtual ~AliITS(); // destructor
+ virtual Int_t IsVersion() const {return 1;}
+
+ //===================== Simulation Geometry ========================
+ // get geometry version - detailed (major) or coarse (minor)
+ virtual Int_t GetMajorVersion() const {return -1;}
+ virtual Int_t GetMinorVersion() const {return -1;}
+ virtual void GetGeometryVersion(Int_t &a,Int_t &b) const
+ {a = GetMajorVersion();b=GetMinorVersion();return;}
+ virtual void SetEUCLID(Bool_t euclid=kTRUE) {fEuclidOut = euclid;}
+ virtual Bool_t GetEUCLID()const {return fEuclidOut;}
+ //-------------------- Geometry Transformations --------------------
+
+ // ITS geometry functions From Simulation
+ AliITSgeom* GetITSgeom() const {return fDetTypeSim->GetITSgeom();}
+ void SetITSgeom(AliITSgeom *geom) {fDetTypeSim->SetITSgeom(geom);}
+ // return pointer to the array of modules
+ TObjArray *GetModules(){return fITSmodules;}
+
+ AliITSmodule *GetModule(Int_t index){
+ return (AliITSmodule*)(fITSmodules->At(index));}
+ virtual void SetSimuParam(AliITSSimuParam *sp){
+ fSimuParam=sp;
+ fDetTypeSim->SetSimuParam(sp);
+ }
+ AliITSSimuParam* GetSimuParam() const {return fSimuParam;}
+
+ virtual void SetDetTypeSim(AliITSDetTypeSim* dts) {fDetTypeSim=dts;}
+ AliITSDetTypeSim* GetDetTypeSim() const {return fDetTypeSim;}
+ //================ Necessary general Classes =======================
+ virtual void Init();
+ virtual AliLoader* MakeLoader(const char* topfoldername);
+ virtual void SetDefaults();
+ virtual void SetDefaultSimulation();
+ virtual void MakeBranch(Option_t *opt=" ");
+ virtual void MakeBranchS(const char* fl);
+ virtual void MakeBranchD(const char* file);
+ virtual void MakeBranchInTreeD(TTree* treeD, const char* file=0);
+ virtual void SetTreeAddress();
+ //---------- Configuration Methods (per detector type) -------------
+ // Determines which ITS subdetectors will be processed. Effects
+ // digitization, and Reconstruction only.
+ void SetDetectors(Option_t *opt="All"){fOpt = opt;}
+ // Returns the list of ITS subdetectors that will be processed.
+ Option_t* GetDetectors(){return fOpt;}
+
+ // Set calibration
+ virtual void SetCalibrationModel(Int_t dettype, AliITSCalibration *cal){
+ fDetTypeSim->SetCalibrationModel(dettype,cal);}
+ // Set segmentation for Simulation
+ virtual void SetSegmentationModel(Int_t id, AliITSsegmentation *seg){
+ fDetTypeSim->SetSegmentationModel(id,seg);}
+ // Set simulation
+ virtual void SetSimulationModel(Int_t id, AliITSsimulation *sim){
+ fDetTypeSim->SetSimulationModel(id,sim);}
+ // Set simulation
+ virtual AliITSsimulation* GetSimulationModel(Int_t id){
+ return fDetTypeSim->GetSimulationModel(id);}
+ //=================== Hits =========================================
+ virtual void StepManager() {} // See Step Manager for specific geometry.
+ //------------ sort hits by module for Digitisation ----------------
+ virtual void FillModules(Int_t /* evnt */,Int_t bgrev,Int_t /* nmodules */,
+ Option_t *opt, const char *filename);
+ virtual Bool_t InitModules(Int_t size,Int_t &nmodules);
+ virtual void FillModules(TTree *treeH, Int_t mask = 0);
+ virtual void ClearModules(){if(fITSmodules) fITSmodules->Delete();}
+ virtual void AddHit(Int_t track, Int_t *vol, Float_t *hits);
+ // Trigger
+ virtual AliTriggerDetector* CreateTriggerDetector() const;
+
+ AliDigitizer* CreateDigitizer(AliRunDigitizer* manager) const;
+ virtual void UpdateInternalGeometry();
+ virtual void SDigitsToDigits(Option_t *opt="All");
+ virtual void SDigits2Digits(){SDigitsToDigits("All");}
+ virtual void Hits2Digits();
+ virtual void Hits2SDigits();
+ virtual void Hits2PreDigits();
+ virtual void HitsToDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *option,Option_t *opt,
+ const char *filename);
+ virtual void HitsToPreDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *option,Option_t *opt,
+ const char *filename);
+ void HitsToSDigits(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *add, Option_t *det, const char *filename)
+ {HitsToPreDigits(evNumber,bgrev,size,add,det,filename);}
+
+ virtual void ResetDigits();
+ virtual void ResetDigits(Int_t branch);
+ virtual void AddSumDigit(AliITSpListItem &sdig);
+ virtual void AddSimDigit(Int_t branch, AliITSdigit *d);
+ virtual void AddSimDigit(Int_t branch,Float_t phys,Int_t* digits,
+ Int_t* tracks,Int_t *hits,Float_t* trkcharges,
+ Int_t sigexpanded=-1000);
+ TObjArray* GetDigits() const {return fDetTypeSim->GetDigits();}
+ Int_t* GetNDigitArray() const {return fDetTypeSim->GetNDigitArray();}
+ TClonesArray *DigitsAddress(Int_t id) {
+ return fDetTypeSim->DigitsAddress(id);}
+ //Fast simulation
+ virtual void HitsToFastRecPoints(Int_t evNumber,Int_t bgrev,Int_t size,
+ Option_t *add, Option_t *det, const char *filename);
+ virtual Int_t Hits2Clusters(TTree *in, TTree *out);
+ virtual void CheckLabels(Int_t lab[3]) const;
+
+ //===================== Raw Data IO ================================
+ // Write digits into raw data format
+ virtual void Digits2Raw();
+ virtual Bool_t Raw2SDigits(AliRawReader*);
+
+ //===================== FO signals ================================
+ // Write FO signals in UserInfo of SDigits/Digits tree
+ void WriteFOSignals();
+
+ protected:
+ static const Int_t fgkNTYPES=3; //number of detector types
+ //================== Data Members ==================================
+ AliITSDetTypeSim *fDetTypeSim; //detector type for simulation
+ Bool_t fEuclidOut; // Flag to write geometry in euclid format
+ Option_t *fOpt; //! Detector option ="All" unless changed.
+ Int_t fIdN; // the number of layers
+ Int_t *fIdSens; //[fIdN] layer identifier
+ TString *fIdName; //[fIdN] layer identifier
+ TObjArray *fITSmodules; //! Pointer to ITS modules
+ Bool_t fTiming; // flag to turn on/off timers.
+ AliITSSimuParam* fSimuParam; //simulation parameters
+ TClonesArray** fModA; //! Used by Raw2SDigits (one TC per module)
+ TClonesArray* fpSDigits; //! Branch address to build SD from raw data
+
+ private:
+ AliITS(const AliITS &source); // copy constructor. Not to be used!
+ AliITS& operator=(const AliITS &source); // = operator. Not to be used!
+ ClassDef(AliITS,9) // Base class for ITS
+
};
-
+
#endif
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