* 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 <Riostream.h>
-#include <TMath.h>
-#include <TRandom.h>
-#include <TVector.h>
-#include <TGeometry.h>
-#include <TNode.h>
-#include <TTUBE.h>
+#include <TLorentzVector.h>
+#include <TParticle.h>
#include "AliRun.h"
-#include "AliITSgeom.h"
#include "AliITS.h"
+#include "AliITSgeom.h"
#include "AliITShit.h"
+#include "AliMC.h"
+#include "AliStack.h"
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");
+ // 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");
+ 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");
+ 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;
}
+//----------------------------------------------------------------------
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff