X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=ITS%2FAliITShit.cxx;h=0262a517886a1576380ff4d2637e97289a8abfb6;hb=4a5c79ffccc492e3663f70ccf76f124adfd21fb6;hp=342991acd3684d5e3f24b6396731900a7ca48e46;hpb=e81897071a6c895e2796d84a2531f1385a0a1017;p=u%2Fmrichter%2FAliRoot.git diff --git a/ITS/AliITShit.cxx b/ITS/AliITShit.cxx index 342991acd36..0262a517886 100644 --- a/ITS/AliITShit.cxx +++ b/ITS/AliITShit.cxx @@ -13,32 +13,19 @@ * provided "as is" without express or implied warranty. * **************************************************************************/ -/* -$Log$ -Revision 1.3.4.2 2000/03/04 23:43:57 nilsen -Fixed up the comments/documentation. - -Revision 1.3.4.1 2000/01/12 19:03:32 nilsen -This is the version of the files after the merging done in December 1999. -See the ReadMe110100.txt file for details - -Revision 1.3 1999/09/29 09:24:20 fca -Introduction of the Copyright and cvs Log - -*/ +/* $Id$ */ +#include -#include -#include -#include -#include -#include -#include +#include +#include #include "AliRun.h" -#include "AliITSgeom.h" #include "AliITS.h" +#include "AliITSgeom.h" #include "AliITShit.h" +#include "AliMC.h" +#include "AliStack.h" ClassImp(AliITShit) @@ -204,227 +191,432 @@ ClassImp(AliITShit) // //////////////////////////////////////////////////////////////////////// //_____________________________________________________________________________ -AliITShit::AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): - AliHit(shunt, track){ -//////////////////////////////////////////////////////////////////////// -// Create ITS hit -// The creator of the AliITShit class. The variables shunt and -// track are passed to the creator of the AliHit class. See the AliHit -// class for a full description. the integer array *vol contains, in order, -// fLayer = vol[0], fDet = vol[1], fLadder = vol[2], fStatus = vol[3]. -// The array *hits contains, in order, fX = hits[0], fY = hits[1], -// fZ = hits[2], fPx = hits[3], fPy = hits[4], fPz = hits[5], -// fDestep = hits[6], and fTof = hits[7]. In the units of the Monte Carlo -//////////////////////////////////////////////////////////////////////// - fLayer = vol[0]; // Layer number - fLadder = vol[2]; // Ladder number - fDet = vol[1]; // Detector number - fStatus = vol[3]; // Track status flags - fX = hits[0]; // Track X position - fY = hits[1]; // Track Y position - fZ = hits[2]; // Track Z position - fPx = hits[3]; // Track X Momentum - fPy = hits[4]; // Track Y Momentum - fPz = hits[5]; // Track Z Momentum - fDestep = hits[6]; // Track dE/dx for this step - fTof = hits[7]; // Track Time of Flight for this step +AliITShit::AliITShit():AliHit(), +fStatus(0), // Track Status +fModule(0), // Module number +fPx(0.0), // PX of particle at the point of the hit +fPy(0.0), // PY of particle at the point of the hit +fPz(0.0), // PZ of particle at the point of the hit +fDestep(0.0), // Energy deposited in the current step +fTof(0.0), // Time of flight at the point of the hit +fStatus0(0),// Track Status of Starting point +fx0(0.0), // Starting point of this step +fy0(0.0), // Starting point of this step +fz0(0.0), // Starting point of this step +ft0(0.0) // Starting point of this step +{ + // Default Constructor + // Zero data member just to be safe. + // Intputs: + // none. + // Outputs: + // none. + // Return: + // A default created AliITShit class. + +} +//---------------------------------------------------------------------- +AliITShit::AliITShit(Int_t shunt,Int_t track,Int_t *vol,Float_t edep, + Float_t tof,TLorentzVector &x,TLorentzVector &x0, + TLorentzVector &p) : +AliHit(shunt, track), // AliHit +fStatus(vol[3]), // Track Status +fModule(vol[0]), // Module number +fPx(p.Px()), // PX of particle at the point of the hit +fPy(p.Py()), // PY of particle at the point of the hit +fPz(p.Pz()), // PZ of particle at the point of the hit +fDestep(edep), // Energy deposited in the current step +fTof(tof), // Time of flight at the point of the hit +fStatus0(vol[4]),// Track Status of Starting point +fx0(x0.X()), // Starting point of this step +fy0(x0.Y()), // Starting point of this step +fz0(x0.Z()), // Starting point of this step +ft0(x0.T()) // Starting point of this step +{ + // Create ITS hit + // The creator of the AliITShit class. The variables shunt and + // track are passed to the creator of the AliHit class. See the AliHit + // class for a full description. In the units of the Monte Carlo + // Inputs: + // Int_t shunt See AliHit + // Int_t track Track number, see AliHit + // Int_t *vol Array of integer hit data, + // vol[0] module + // vol[1] not used + // vol[2] not used + // vol[3] Set of status bits + // vol[4] Set of status bits at start + // Float_t edep The energy deposited GeV during the transport + // of this step + // Float_t tof The time of flight of this particle at this step + // TLorenzVector &x The Global position of this step [cm] + // TLorenzVector &x0 The Global position of where this step + // started from [cm] + // TLorenzVector &p The Global momentum of the particle at this + // step [GeV/c] + // Outputs: + // none. + // Return: + // A default created AliITShit class. + + SetPosition(x); } //______________________________________________________________________ -void AliITShit::GetPositionL(Float_t &x,Float_t &y,Float_t &z){ -//////////////////////////////////////////////////////////////////////// -// Returns the position of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; +AliITShit::AliITShit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits): + AliHit(shunt, track), // AliHit +fStatus(vol[3]), // Track Status +fModule(vol[0]), // Module number +fPx(hits[3]), // PX of particle at the point of the hit +fPy(hits[4]), // PY of particle at the point of the hit +fPz(hits[5]), // PZ of particle at the point of the hit +fDestep(hits[6]), // Energy deposited in the current step +fTof(hits[7]), // Time of flight at the point of the hit +fStatus0(vol[4]),// Track Status of Starting point +fx0(hits[8]), // Starting point of this step +fy0(hits[9]), // Starting point of this step +fz0(hits[10]), // Starting point of this step +ft0(hits[11]) // Starting point of this step +{ + // Create ITS hit + // The creator of the AliITShit class. The variables shunt and + // track are passed to the creator of the AliHit class. See the AliHit + // class for a full description. the integer array *vol contains, in order, + // fLayer = vol[0], fDet = vol[1], fLadder = vol[2], fStatus = vol[3]. + // The array *hits contains, in order, fX = hits[0], fY = hits[1], + // fZ = hits[2], fPx = hits[3], fPy = hits[4], fPz = hits[5], + // fDestep = hits[6], and fTof = hits[7]. In the units of the Monte Carlo + // Intputs: + // Int_t shunt See AliHit + // Int_t track Track number, see AliHit + // Int_t *vol Array of integer hit data, + // vol[0] module number + // vol[1] not used + // vol[2] not used + // vol[3] Set of status bits + // vol[4] Set of status bits at start + // Float_t *hits Array of hit information + // hits[0] X global position of this hit + // hits[1] Y global position of this hit + // hits[2] Z global position of this hit + // hits[3] Px global position of this hit + // hits[4] Py global position of this hit + // hits[5] Pz global position of this hit + // hits[6] Energy deposited by this step + // hits[7] Time of flight of this particle at this step + // hits[8] X0 global position of start of step + // hits[9] Y0 global position of start of step + // hits[10] Z0 global position of start of step + // hits[11] Time of flight of this particle before step + // Outputs: + // none. + // Return: + // A standard created AliITShit class. - g[0] = fX; - g[1] = fY; - g[2] = fZ; - gm->GtoL(fLayer,fLadder,fDet,g,l); - x = l[0]; - y = l[1]; - z = l[2]; - return; + fX = hits[0]; // Track X global position + fY = hits[1]; // Track Y global position + fZ = hits[2]; // Track Z global position } //______________________________________________________________________ -void AliITShit::GetPositionL(Float_t &x,Float_t &y,Float_t &z,Float_t &tof){ -//////////////////////////////////////////////////////////////////////// -// Returns the position and time of flight of this hit in the local -// coordinates of this module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; +AliITShit::AliITShit(const AliITShit &h): +AliHit(h), // AliHit +fStatus(h.fStatus), // Track Status +fModule(h.fModule), // Module number +fPx(h.fPx), // PX of particle at the point of the hit +fPy(h.fPy), // PY of particle at the point of the hit +fPz(h.fPz), // PZ of particle at the point of the hit +fDestep(h.fDestep), // Energy deposited in the current step +fTof(h.fTof), // Time of flight at the point of the hit +fStatus0(h.fStatus0),// Track Status of Starting point +fx0(h.fx0), // Starting point of this step +fy0(h.fy0), // Starting point of this step +fz0(h.fz0), // Starting point of this step +ft0(h.ft0) // Starting point of this step +{ + // The standard copy constructor + // Inputs: + // AliITShit &h the sourse of this copy + // Outputs: + // none. + // Return: + // A copy of the sourse hit h - g[0] = fX; - g[1] = fY; - g[2] = fZ; - gm->GtoL(fLayer,fLadder,fDet,g,l); - x = l[0]; - y = l[1]; - z = l[2]; - tof = fTof; + //Info("CopyConstructor","Coping hit"); + + if(this == &h) return; return; } //______________________________________________________________________ -Float_t AliITShit::GetXL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the x position of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; +AliITShit& AliITShit::operator=(const AliITShit &h){ + // The standard = operator + // Inputs: + // AliITShit &h the sourse of this copy + // Outputs: + // none. + // Return: + // A copy of the sourse hit h - g[0] = fX; - g[1] = fY; - g[2] = fZ; - gm->GtoL(fLayer,fLadder,fDet,g,l); - return l[0]; + if(this == &h) return *this; + this->fStatus = h.fStatus; + this->fModule = h.fModule; + this->fPx = h.fPx; + this->fPy = h.fPy; + this->fPz = h.fPz; + this->fDestep = h.fDestep; + this->fTof = h.fTof; + this->fStatus0 = h.fStatus0; + this->fx0 = h.fx0; + this->fy0 = h.fy0; + this->fz0 = h.fz0; + this->ft0 = h.ft0; + return *this; } //______________________________________________________________________ -Float_t AliITShit::GetYL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the y position of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; +void AliITShit::SetShunt(Int_t shunt){ + // Sets track flag based on shunt value. Code copied from + // AliHit standar constructor. + // Inputs: + // Int_t shunt A flag to indecate what to do with track numbers + // Outputs: + // none. + // Return: + // none. + Int_t primary,track,current,parent; + TParticle *part; - g[0] = fX; - g[1] = fY; - g[2] = fZ; - gm->GtoL(fLayer,fLadder,fDet,g,l); - return l[1]; + track = fTrack; + if(shunt == 1) { + primary = gAlice->GetMCApp()->GetPrimary(track); + gAlice->GetMCApp()->Particle(primary)->SetBit(kKeepBit); + fTrack=primary; + }else if (shunt == 2) { + // the "primary" particle associated to the hit is + // the last track that has been flagged in the StepManager + // used by PHOS to associate the hit with the decay gamma + // rather than with the original pi0 + parent=track; + while (1) { + current=parent; + part = gAlice->GetMCApp()->Particle(current); + parent=part->GetFirstMother(); + if(parent<0 || part->TestBit(kKeepBit)) + break; + } + fTrack=current; + }else { + fTrack=track; + gAlice->GetMCApp()->FlagTrack(fTrack); + } // end if shunt } //______________________________________________________________________ -Float_t AliITShit::GetZL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the z position of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// +void AliITShit::GetPositionL(Float_t &x,Float_t &y,Float_t &z,Float_t &tof){ + // Returns the position and time of flight of this hit in the local + // coordinates of this module, and in the units of the Monte Carlo. + // Inputs: + // none. + // Outputs: + // Float_t x Global position of this hit [cm] + // Float_t y Global position of this hit [cm] + // Float_t z Global poistion of this hit [cm] + // Float_t tof Time of flight of particle at this hit + // Return: + // none. AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); Float_t g[3],l[3]; g[0] = fX; g[1] = fY; g[2] = fZ; - gm->GtoL(fLayer,fLadder,fDet,g,l); - return l[2]; + if(gm) { + gm->GtoL(fModule,g,l); + x = l[0]; + y = l[1]; + z = l[2]; + } else { + Error("AliITShit","NULL pointer to the geometry! return smth else",gm); + // AliITSv7 - SDD case + x=fX; + y=fY; + z=fZ; + } // end if + tof = fTof; + return; } //______________________________________________________________________ -void AliITShit::GetMomentumL(Float_t &px,Float_t &py,Float_t &pz){ -//////////////////////////////////////////////////////////////////////// -// Returns the momentum of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// +void AliITShit::GetPositionL0(Double_t &x,Double_t &y,Double_t &z, + Double_t &tof){ + // Returns the initial position and time of flight of this hit + // in the local coordinates of this module, and in the units of the + // Monte Carlo. + // Inputs: + // none. + // Outputs: + // Double_t x Global position of this hit [cm] + // Double_t y Global position of this hit [cm] + // Double_t z Global poistion of this hit [cm] + // Double_t tof Time of flight of particle at this hit + // Return: + // none. AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); Float_t g[3],l[3]; - g[0] = fPx; - g[1] = fPy; - g[2] = fPz; - gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); - px = l[0]; - py = l[1]; - pz = l[2]; + g[0] = fx0; + g[1] = fy0; + g[2] = fz0; + if(gm) { + gm->GtoL(fModule,g,l); + x = l[0]; + y = l[1]; + z = l[2]; + } else { + Error("AliITShit","NULL pointer to the geometry! return smth else",gm); + x=fx0; + y=fy0; + z=fz0; + } + tof = ft0; return; } //______________________________________________________________________ -Float_t AliITShit::GetPXL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the X momentum of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// +void AliITShit::GetMomentumL(Float_t &px,Float_t &py,Float_t &pz){ + // Returns the momentum of this hit in the local coordinates of this + // module, and in the units of the Monte Carlo. + // Inputs: + // none. + // Outputs: + // Float_t px Track x momentum at this hit [GeV/c] + // Float_t py Track y momentum at this hit [GeV/c] + // Float_t pz Track z momentum at this hit [GeV/c] + // Return: + // none. AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); Float_t g[3],l[3]; g[0] = fPx; g[1] = fPy; g[2] = fPz; - gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); - return l[0]; + if (gm) { + gm->GtoLMomentum(fModule,g,l); + px = l[0]; + py = l[1]; + pz = l[2]; + } else { + Error("AliITShit","NULL pointer to the geometry! return smth else",gm); + px=fPx; + py=fPy; + pz=fPz; + } // end if + return; } //______________________________________________________________________ -Float_t AliITShit::GetPYL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the Y momentum of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; +TParticle * AliITShit::GetParticle() const { + // Returns the pointer to the TParticle for the particle that created + // this hit. From the TParticle all kinds of information about this + // particle can be found. See the TParticle class. + // Inputs: + // none. + // Outputs: + // none. + // Return: + // The TParticle of the track that created this hit. - g[0] = fPx; - g[1] = fPy; - g[2] = fPz; - gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); - return l[1]; + return gAlice->GetMCApp()->Particle(GetTrack()); } -//______________________________________________________________________ -Float_t AliITShit::GetPZL(){ -//////////////////////////////////////////////////////////////////////// -// Returns the Z momentum of this hit in the local coordinates of this -// module, and in the units of the Monte Carlo. -//////////////////////////////////////////////////////////////////////// +//---------------------------------------------------------------------- +void AliITShit::GetDetectorID(Int_t &layer,Int_t &ladder,Int_t &det)const{ + // Returns the layer ladder and detector number lables for this + // ITS module. The use of layer, ladder and detector number for + // discribing the ITS is obsoleate. + // Inputs: + // none. + // Outputs: + // Int_t &layer Layer lable + // Int_t &ladder Ladder lable + // Int_t &det Detector lable + // Return: + // none. AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); - Float_t g[3],l[3]; - g[0] = fPx; - g[1] = fPy; - g[2] = fPz; - gm->GtoLMomentum(fLayer,fLadder,fDet,g,l); - return l[2]; + gm->GetModuleId(fModule,layer,ladder,det); + return; +} +//---------------------------------------------------------------------- +void AliITShit::Print(ostream *os) const { + // Standard output format for this class. + // Inputs: + // ostream *os The output stream + // Outputs: + // none. + // Return: + // none. + +#if defined __GNUC__ +#if __GNUC__ > 2 + ios::fmtflags fmt; +#else + Int_t fmt; +#endif +#else +#if defined __ICC || defined __ECC || defined __xlC__ + ios::fmtflags fmt; +#else + Int_t fmt; +#endif +#endif + + fmt = os->setf(ios::scientific); // set scientific floating point output + *os << fTrack << " " << fX << " " << fY << " " << fZ << " "; + fmt = os->setf(ios::hex); // set hex for fStatus only. + *os << fStatus << " "; + fmt = os->setf(ios::dec); // every thing else decimel. + *os << fModule << " "; + *os << fPx << " " << fPy << " " << fPz << " "; + *os << fDestep << " " << fTof; + *os << " " << fx0 << " " << fy0 << " " << fz0; +// *os << " " << endl; + os->flags(fmt); // reset back to old formating. + return; } -//___________________________________________________________________________; -Int_t AliITShit::GetModule(){ -//////////////////////////////////////////////////////////////////////// -// Returns the module index number of the module where this hit was in. -//////////////////////////////////////////////////////////////////////// - AliITSgeom *gm = ((AliITS*)gAlice->GetDetector("ITS"))->GetITSgeom(); +//---------------------------------------------------------------------- +void AliITShit::Read(istream *is) { + // Standard input format for this class. + // Inputs: + // istream *is the input stream + // Outputs: + // none. + // Return: + // none. - return gm->GetModuleIndex(fLayer,fLadder,fDet); + *is >> fTrack >> fX >> fY >> fZ; + *is >> fStatus >> fModule >> fPx >> fPy >> fPz >> fDestep >> fTof; + *is >> fx0 >> fy0 >> fz0; + return; } -//______________________________________________________________________ -TParticle * AliITShit::GetParticle(){ -//////////////////////////////////////////////////////////////////////// -// Returns the pointer to the TParticle for the particle that created -// this hit. From the TParticle all kinds of information about this -// particle can be found. See the TParticle class. -//////////////////////////////////////////////////////////////////////// - TClonesArray *parts = gAlice->Particles(); - return ((TParticle*)parts->UncheckedAt(this->GetTrack())); +//---------------------------------------------------------------------- +ostream &operator<<(ostream &os,AliITShit &p){ + // Standard output streaming function. + // Inputs: + // ostream os The output stream + // AliITShit p The his to be printed out + // Outputs: + // none. + // Return: + // The input stream + + p.Print(&os); + return os; } -//___________________________________________________________________________ -void AliITShit::Streamer(TBuffer &R__b){ -//////////////////////////////////////////////////////////////////////// -// The streamer function for this AliITShit class. This has been set -// up so that future changes to this class can be easly incorporated. -//////////////////////////////////////////////////////////////////////// - if (R__b.IsReading()) { - Version_t R__v = R__b.ReadVersion(); - if (R__v==1) { - AliHit::Streamer(R__b); - R__b >> fStatus; - R__b >> fLayer; - R__b >> fLadder; - R__b >> fDet; - R__b >> fPx; - R__b >> fPy; - R__b >> fPz; - R__b >> fDestep; - R__b >> fTof; - }else{ // for futrue changes to this class. - } // end if R__v==1 - } else { - R__b.WriteVersion(AliITShit::IsA()); - AliHit::Streamer(R__b); - R__b << fStatus; - R__b << fLayer; - R__b << fLadder; - R__b << fDet; - R__b << fPx; - R__b << fPy; - R__b << fPz; - R__b << fDestep; - R__b << fTof; - } // end if R__b.IsReading() +//---------------------------------------------------------------------- +istream &operator>>(istream &is,AliITShit &r){ + // Standard input streaming function. + // Inputs: + // istream is The input stream + // AliITShit p The AliITShit class to be filled from this input stream + // Outputs: + // none. + // Return: + // The input stream + + r.Read(&is); + return is; } +//----------------------------------------------------------------------