* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-*/
+/* $Id$ */
+
///////////////////////////////////////////////////////////////////////////////
// //
// Time Projection Chamber track hits object //
// //
// //
///////////////////////////////////////////////////////////////////////////////
+//
-//#include "TVector3.h"
-#include "AliTPCTrackHitsV2.h"
+#include <TClonesArray.h>
+#include <TMath.h>
-#include "TClonesArray.h"
+#include "AliTPCTrackHitsV2.h"
#include "AliTPC.h"
-#include <iostream.h>
-
ClassImp(AliTPCTrackHitsV2)
//
const Double_t AliTPCTrackHitsV2::fgkPrecision=1e-6; //precision
const Double_t AliTPCTrackHitsV2::fgkPrecision2=1e-20; //precision
+const Double_t AliTPCTrackHitsV2::fgkTimePrecision=20.e-9; //hit time precision
-struct AliTPCCurrentHitV2 {
- AliTPChit fHit;
- UInt_t fParamIndex;// - current param pointer
- UInt_t fStackIndex; // - current hit stack index
- Double_t fR; //current Radius
- Bool_t fStatus; //current status
-};
-
-
-struct AliTPCTempHitInfoV2 {
- enum { fkStackSize = 10000};
+class AliTPCTempHitInfoV2 {
+public:
AliTPCTempHitInfoV2();
- void NewParam(Double_t r, Double_t z, Double_t fi, Int_t q);
- void SetHit(Double_t r, Double_t z, Double_t fi, Int_t q);
+ void SetHit(Double_t r, Double_t z, Double_t fi, Int_t q, Float_t time);
+ UInt_t GetStackIndex() const {return fStackIndex;}
+ void SetStackIndex(UInt_t i) {fStackIndex=i;}
+ UInt_t GetParamIndex() const {return fParamIndex;}
+ void SetParamIndex(UInt_t i) {fParamIndex=i;}
+ Float_t GetTimeStack(Int_t i) const {return fTimeStack[i];}
+ const Float_t* GetTimeStackP(Int_t i) const {return &fTimeStack[i];}
+ UInt_t GetQStack(Int_t i) const {return fQStack[i];}
+ const UInt_t* GetQStackP(Int_t i) const {return &fQStack[i];}
Double_t * GetPosition(Int_t index){return &fPositionStack[index*3];}
- void UpdateParam(Double_t maxdelta); //recal
+ Double_t GetOldR() const {return fOldR;}
+ void SetOldR(Double_t r) {fOldR=r;}
+
+
+ AliTrackHitsParamV2 * GetParam() const {return fParam;}
+ void SetParam(AliTrackHitsParamV2 * p) {fParam=p;}
+ void UpdateParam(Double_t maxdelta); //recal
+ void NewParam(Double_t r, Double_t z, Double_t fi, Int_t q, Float_t time);
+ enum {kStackSize = 10000};
+
+protected:
+ AliTPCTempHitInfoV2(const AliTPCTempHitInfoV2 &hit);
+ AliTPCTempHitInfoV2& operator = (const AliTPCTempHitInfoV2 &hit);
void Fit2(Double_t fSumY, Double_t fSumYX, Double_t fSumYX2,
Double_t fSumX, Double_t fSumX2, Double_t fSumX3,
Double_t fSumX4, Int_t n,
Double_t &a, Double_t &b, Double_t &c);
void Fit(AliTrackHitsParamV2 * param);
- Double_t fSumDr; //
- Double_t fSumDr2; //
- Double_t fSumDr3; //
- Double_t fSumDr4; //
- Double_t fSumDFi; //
- Double_t fSumDFiDr; //
- Double_t fSumDFiDr2;//
- Double_t fSumDZ; //
- Double_t fSumDZDr; //
- Double_t fSumDZDr2; //
+ Double_t fSumDr; // Sum of Dr
+ Double_t fSumDr2; // Square of sum of Dr
+ Double_t fSumDr3; // Cube of sum of Dr
+ Double_t fSumDr4; // Fourth power of sum of Dr
+ Double_t fSumDFi; // Sum of DFi
+ Double_t fSumDFiDr; // Sum of DFiDr
+ Double_t fSumDFiDr2;// Sum of square of DFiDr
+ Double_t fSumDZ; // Sum of DZ
+ Double_t fSumDZDr; // Sum of DZDr
+ Double_t fSumDZDr2; // Sum of square of DZDr
Double_t fOldR; //previos r
- Double_t fPositionStack[3*fkStackSize]; //position stack
- UInt_t fQStack[fkStackSize]; //Q stack
+ Double_t fPositionStack[3*kStackSize]; //position stack
+ UInt_t fQStack[kStackSize]; //Q stack
+ Float_t fTimeStack[kStackSize]; //time stack
UInt_t fStackIndex; //current stack index
// UInt_t fInfoIndex; //current track info index
UInt_t fParamIndex; //current track parameters index
AliTPCTempHitInfoV2::AliTPCTempHitInfoV2()
+ :fSumDr(0.),
+ fSumDr2(0.),
+ fSumDr3(0.),
+ fSumDr4(0.),
+ fSumDFi(0.),
+ fSumDFiDr(0.),
+ fSumDFiDr2(0.),
+ fSumDZ(0.),
+ fSumDZDr(0.),
+ fSumDZDr2(0.),
+ fOldR(0.),
+ fStackIndex(0),
+ fParamIndex(0),
+ fParam(0)
{
//
- //set to default value
+ // Standard constructor
+ // set to default value
+ //
fSumDr=fSumDr2=fSumDr3=fSumDr4=
fSumDFi=fSumDFiDr=fSumDFiDr2=
fSumDZ=fSumDZDr=fSumDZDr2=0;
fStackIndex = 0;
// fInfoIndex = 0;
fParamIndex = 0;
+ for(Int_t i=0;i<3*kStackSize;i++) fPositionStack[i]=0.;
+ for(Int_t i=0;i<kStackSize;i++){
+ fQStack[i]=0;
+ fTimeStack[i]=0.;
+ }
}
-void AliTPCTempHitInfoV2::NewParam(Double_t r, Double_t z, Double_t fi, Int_t q)
+void AliTPCTempHitInfoV2::NewParam(Double_t r, Double_t z, Double_t fi, Int_t q, Float_t time)
{
//
//reset stack and sum parameters
//store line initial point
+ //
fSumDr=fSumDr2=fSumDr3=fSumDr4=
fSumDFi=fSumDFiDr=fSumDFiDr2=
fSumDZ=fSumDZDr=fSumDZDr2=0;
fStackIndex=0;
- fParam->fR = r;
+ fParam->SetR(r);
fOldR = r;
- fParam->fZ = z;
- fParam->fFi = fi;
- fParam->fAn = 0.;
- fParam->fAd = 0.;
- fParam->fTheta =0.;
- fParam->fThetaD =0.;
- SetHit(r,z,fi,q);
+ fParam->SetZ(z);
+ fParam->SetFi(fi);
+ fParam->SetAn(0.);
+ fParam->SetAd(0.);
+ fParam->SetTheta(0.);
+ fParam->SetThetaD(0.);
+ SetHit(r,z,fi,q,time);
}
-void AliTPCTempHitInfoV2::SetHit(Double_t r, Double_t z, Double_t fi, Int_t q)
+void AliTPCTempHitInfoV2::SetHit(Double_t r, Double_t z, Double_t fi, Int_t q, Float_t time)
{
//
//add hit to the stack
f[1] = z;
f[2] = fi;
fQStack[fStackIndex]=q;
+ fTimeStack[fStackIndex]=time;
if (fStackIndex==0) return;
- Double_t dr = (r-fParam->fR);
- if (TMath::Abs(dr)<AliTPCTrackHitsV2::fgkPrecision) dr =AliTPCTrackHitsV2::fgkPrecision;
- Double_t dfi = fi-fParam->fFi;
- Double_t dz = z -fParam->fZ;
+ Double_t dr = (r-fParam->GetR());
+ if (TMath::Abs(dr)<AliTPCTrackHitsV2::GetKPrecision()) dr =AliTPCTrackHitsV2::GetKPrecision();
+ Double_t dfi = fi-fParam->GetFi();
+ Double_t dz = z -fParam->GetZ();
Double_t dr2 =dr*dr;
Double_t dr3 =dr2*dr;
Double_t dr4 =dr3*dr;
//update fit parameters
//
Double_t det = fSumDr2*fSumDr4-fSumDr3*fSumDr3;
- if (TMath::Abs(det)<AliTPCTrackHitsV2::fgkPrecision2) return;
+ if (TMath::Abs(det)<AliTPCTrackHitsV2::GetKPrecision2()) return;
if ( ( fStackIndex>1 ) ){
- fParam->fAn = (fSumDr4*fSumDFiDr-fSumDr3*fSumDFiDr2)/det;
- fParam->fAd = (fSumDr2*fSumDFiDr2-fSumDr3*fSumDFiDr)/det;
+ fParam->SetAn((fSumDr4*fSumDFiDr-fSumDr3*fSumDFiDr2)/det);
+ fParam->SetAd((fSumDr2*fSumDFiDr2-fSumDr3*fSumDFiDr)/det);
}
else
- fParam->fAn = fSumDFiDr/fSumDr2;
+ fParam->SetAn(fSumDFiDr/fSumDr2);
if ( ( fStackIndex>1 ) ){
- fParam->fTheta = (fSumDr4*fSumDZDr-fSumDr3*fSumDZDr2)/det;
- fParam->fThetaD= (fSumDr2*fSumDZDr2-fSumDr3*fSumDZDr)/det;
+ fParam->SetTheta((fSumDr4*fSumDZDr-fSumDr3*fSumDZDr2)/det);
+ fParam->SetThetaD((fSumDr2*fSumDZDr2-fSumDr3*fSumDZDr)/det);
}
else
- fParam->fTheta = fSumDZDr/fSumDr2;
+ fParam->SetTheta(fSumDZDr/fSumDr2);
}
void AliTPCTempHitInfoV2::UpdateParam(Double_t maxdelta)
{
- //recalc parameters not fixing origin point
+ //
+ // recalc parameters not fixing origin point
+ //
if (fStackIndex>5){
Double_t a,b,c;
a=b=c=0;
Fit2(fSumDFi, fSumDFiDr, fSumDFiDr2, fSumDr,fSumDr2,fSumDr3,fSumDr4,
fStackIndex, a,b,c);
if (TMath::Abs(a)<maxdelta){
- fParam->fFi +=a/fParam->fR;
- fParam->fAn = b;
- fParam->fAd = c;
+ fParam->SetFi(fParam->GetFi()+a/fParam->GetR());
+ fParam->SetAn(b);
+ fParam->SetAd(c);
}
Fit2(fSumDZ, fSumDZDr, fSumDZDr2, fSumDr,fSumDr2,fSumDr3,fSumDr4,
fStackIndex, a,b,c) ;
if (TMath::Abs(a)<maxdelta){
- fParam->fZ +=a;
- fParam->fTheta = b;
- fParam->fThetaD = c;
+ fParam->SetZ(fParam->GetZ()+a);
+ fParam->SetTheta(b);
+ fParam->SetThetaD(c);
}
}
}
+
void AliTPCTempHitInfoV2::Fit2(Double_t fSumY, Double_t fSumYX, Double_t fSumYX2,
Double_t fSumX, Double_t fSumX2, Double_t fSumX3,
Double_t fSumX4, Int_t n,
Double_t &a, Double_t &b, Double_t &c)
{
- //fit of second order
+ //
+ // fit of second order
+ //
Double_t det =
n* (fSumX2*fSumX4-fSumX3*fSumX3) -
fSumX* (fSumX*fSumX4-fSumX3*fSumX2)+
fSumX2* (fSumX*fSumX3-fSumX2*fSumX2);
- if (TMath::Abs(det)> AliTPCTrackHitsV2::fgkPrecision) {
+ if (TMath::Abs(det)> AliTPCTrackHitsV2::GetKPrecision()) {
a =
(fSumY * (fSumX2*fSumX4-fSumX3*fSumX3)-
fSumX *(fSumYX*fSumX4-fSumYX2*fSumX3)+
void AliTPCTempHitInfoV2::Fit(AliTrackHitsParamV2 * param)
{
+ //
// fit fixing first and the last point
- //result stored in new param
- Double_t dx2 = (GetPosition(fStackIndex))[0]-fParam->fR;
+ // result stored in new param
+ //
+ Double_t dx2 = (GetPosition(fStackIndex))[0]-fParam->GetR();
Double_t det = fSumDr4+dx2*fSumDr2-2*dx2*fSumDr3;
- if ( (TMath::Abs(det)> AliTPCTrackHitsV2::fgkPrecision) &&
- ((TMath::Abs(dx2)> AliTPCTrackHitsV2::fgkPrecision))){
- Double_t dfi2 = (GetPosition(fStackIndex))[1]-fParam->fFi;
- param->fAd = (fSumDFiDr2+dfi2*fSumDr-dx2*fSumDFiDr-dfi2*fSumDr3/dx2)/det;
- param->fAn = (dfi2-param->fAd*dx2*dx2)/dx2;
+ if ( (TMath::Abs(det)> AliTPCTrackHitsV2::GetKPrecision()) &&
+ ((TMath::Abs(dx2)> AliTPCTrackHitsV2::GetKPrecision()))){
+ Double_t dfi2 = (GetPosition(fStackIndex))[1]-fParam->GetFi();
+ param->SetAd((fSumDFiDr2+dfi2*fSumDr-dx2*fSumDFiDr-dfi2*fSumDr3/dx2)/det);
+ param->SetAn((dfi2-param->GetAd()*dx2*dx2)/dx2);
- Double_t dz2 = (GetPosition(fStackIndex))[1]-fParam->fZ;
- param->fTheta = (fSumDZDr2+dz2*fSumDr-dx2*fSumDZDr-dz2*fSumDr3/dx2)/det;
- param->fTheta = (dz2-param->fAd*dx2*dx2)/dx2;
+ Double_t dz2 = (GetPosition(fStackIndex))[1]-fParam->GetZ();
+ param->SetTheta((fSumDZDr2+dz2*fSumDr-dx2*fSumDZDr-dz2*fSumDr3/dx2)/det);
+ param->SetTheta((dz2-param->GetAd()*dx2*dx2)/dx2);
}
}
-AliTrackHitsParamV2::AliTrackHitsParamV2()
+AliTrackHitsParamV2::AliTrackHitsParamV2():TObject(),
+ fTrackID(0),
+ fVolumeID(0),
+ fR(0.),
+ fZ(0.),
+ fFi(0.),
+ fAn(0.),
+ fAd(0.),
+ fTheta(0.),
+ fThetaD(0.),
+ fNHits(0),
+ fHitDistance(0),
+ fCharge(0),
+ fTime(0)
{
- //default constructor
+ //
+ // default constructor
+ //
fgCounter1++;
fgCounter2++;
- fHitDistance=0;
- fCharge=0;
- fNHits=0;
}
+
AliTrackHitsParamV2::~AliTrackHitsParamV2()
{
+ //
+ // Standard destructor
+ //
fgCounter1--;
if (fHitDistance) {
delete[]fHitDistance;
delete[]fCharge;
fCharge =0;
}
+ if (fTime){
+ delete[]fTime;
+ fTime =0;
+ }
+}
+
+Float_t AliTrackHitsParamV2::Eta() const
+{
+ Float_t ctg = fZ / fR;
+ Float_t eta = -TMath::Log(TMath::Hypot(1,ctg)-TMath::Abs(ctg));
+ if(ctg < 0) eta = -eta;
+ return eta;
}
-AliTPCTrackHitsV2::AliTPCTrackHitsV2()
+AliTPCTrackHitsV2::AliTPCTrackHitsV2():TObject(),
+ fArray(0),
+ fSize(0),
+ fPrecision(0.),
+ fStep(0.),
+ fMaxDistance(0),
+ fNVolumes(0),
+ fVolumes(0),
+ fTempInfo(0),
+ fCurrentHit(0),
+ fHit(0)
{
//
//default constructor
fPrecision=kHitPrecision; //precision in cm
fStep = kStep; //step size
fMaxDistance = kMaxDistance; //maximum distance
- fTempInfo =0;
- fSize=0;
+
//fTrackHitsInfo = new AliObjectArray("AliTrackHitsInfo");
//fTrackHitsParam = new AliObjectArray("AliTrackHitsParamV2");
//fHitsPosAndQ = new TArrayOfArrayVStack("AliHitInfo");
fArray = new TClonesArray("AliTrackHitsParamV2");
fCurrentHit = new AliTPCCurrentHitV2;
- fVolumes =0;
- fNVolumes =0;
fgCounter1++;
fgCounter2++;
fVolumes =0;
fNVolumes=0;
}
+ if (fHit){
+ delete fHit;
+ fHit=0;
+ }
fgCounter1--;
}
-void AliTPCTrackHitsV2::Clear()
+void AliTPCTrackHitsV2::Clear(Option_t * /*option*/)
{
//
- //clear object
+ // clear object
+ //
+ fSize = 0;
if (fArray){
for (Int_t i=0;i<fArray->GetEntriesFast();i++){
AliTrackHitsParamV2 * par = (AliTrackHitsParamV2 *)fArray->UncheckedAt(i);
}
if (fTempInfo){
delete fTempInfo;
+ delete fHit;
+ fHit =0;
fTempInfo =0;
}
if (fVolumes){
void AliTPCTrackHitsV2::AddHitKartez(Int_t volumeID, Int_t trackID, Double_t x,
- Double_t y, Double_t z,Int_t q)
+ Double_t y, Double_t z,Int_t q, Float_t time)
{
//
- //add hit to the container - it add hit at the end - input in global coordinata
+ // add hit to the container - it add hit at the end - input in global coordinata
+ //
Double_t r = TMath::Sqrt(x*x+y*y);
Double_t fi = TMath::ACos(x/r);
if (y<0) fi*=-1.;
- AddHit(volumeID,trackID,r,z,fi,q);
+ AddHit(volumeID,trackID,r,z,fi,q,time);
}
void AliTPCTrackHitsV2::AddHit(Int_t volumeID, Int_t trackID,
- Double_t r, Double_t z, Double_t fi, Int_t q)
+ Double_t r, Double_t z, Double_t fi, Int_t q, Float_t time)
{
+ //
+ // Adding one hit
//
fSize++;
Bool_t diff=kFALSE;
if (!fTempInfo) { //initialisation of track - initialisation of parameters
fTempInfo = new AliTPCTempHitInfoV2;
- fTempInfo->fParam = new((*fArray)[0]) AliTrackHitsParamV2;
- fTempInfo->fParam->fVolumeID = volumeID;
- fTempInfo->fParam->fTrackID = trackID;
+ fTempInfo->SetParam(new((*fArray)[0]) AliTrackHitsParamV2);
+ fTempInfo->GetParam()->SetVolumeID(volumeID);
+ fTempInfo->GetParam()->SetTrackID(trackID);
AddVolume(volumeID);
//
- fTempInfo->fParamIndex = 0;
- fTempInfo->NewParam(r,z,fi,q);
+ fTempInfo->SetParamIndex(0);
+ fTempInfo->NewParam(r,z,fi,q,time);
return;
}
// if new volume or new trackID
- if ( (volumeID!=fTempInfo->fParam->fVolumeID) ||
- (trackID!=fTempInfo->fParam->fTrackID)){
- if (volumeID!=fTempInfo->fParam->fVolumeID) AddVolume(volumeID);
+ if ( (volumeID!=fTempInfo->GetParam()->GetVolumeID()) ||
+ (trackID!=fTempInfo->GetParam()->GetTrackID())){
+ if (volumeID!=fTempInfo->GetParam()->GetVolumeID()) AddVolume(volumeID);
diff=kTRUE;
FlushHitStack(kTRUE);
- fTempInfo->fParamIndex++;
- fTempInfo->fParam = new((*fArray)[fTempInfo->fParamIndex]) AliTrackHitsParamV2;
- fTempInfo->fParam->fVolumeID = volumeID;
- fTempInfo->fParam->fTrackID = trackID;
- fTempInfo->NewParam(r,z,fi,q);
+ fTempInfo->SetParamIndex(fTempInfo->GetParamIndex()+1);
+ fTempInfo->SetParam(new((*fArray)[fTempInfo->GetParamIndex()]) AliTrackHitsParamV2);
+ fTempInfo->GetParam()->SetVolumeID(volumeID);
+ fTempInfo->GetParam()->SetTrackID(trackID);
+ fTempInfo->NewParam(r,z,fi,q,time);
return;
}
//calculate current fit precission to next point
- AliTrackHitsParamV2 ¶m = *(fTempInfo->fParam);
+ AliTrackHitsParamV2 ¶m = *(fTempInfo->GetParam());
Double_t dd=0;
Double_t dl=0;
Double_t ratio=0;
Double_t dr,dz,dfi,ddz,ddfi;
Double_t drhit,ddl;
dr=dz=dfi=ddz=ddfi=0;
- drhit = r-fTempInfo->fOldR;
+ drhit = r-fTempInfo->GetOldR();
{
//Double_t dfi2 = param.fAn+2*param.fAd*(r-param.fR);
- Double_t dfi2 = param.fAn;
- dfi2*=dfi2*fTempInfo->fOldR*fTempInfo->fOldR;
+ Double_t dfi2 = param.GetAn();
+ dfi2*=dfi2*fTempInfo->GetOldR()*fTempInfo->GetOldR();
//Double_t ddz2 = param.fTheta+2*param.fThetaD*(r-param.fR);
- Double_t ddz2 = param.fTheta;
+ Double_t ddz2 = param.GetTheta();
ddz2*=ddz2;
ratio = TMath::Sqrt(1.+ dfi2+ ddz2);
}
- dl = fStep * Short_t(TMath::Nint(drhit*ratio/fStep));
+ //
+ // dl = fStep * Short_t(TMath::Nint(drhit*ratio/fStep)); // MI change - range check
+ dl = drhit*ratio/fStep;
+ if (TMath::Abs(dl)>32765) dl =0;
+ dl = fStep * Short_t(TMath::Nint(dl));
+ //
ddl = dl - drhit*ratio;
- fTempInfo->fOldR += dl/ratio;
-
- if (fTempInfo->fStackIndex>2){
- dr = r-param.fR;
- dz = z-param.fZ;
- dfi = fi-param.fFi;
- ddz = dr*param.fTheta+dr*dr*param.fThetaD-dz;
- ddfi= dr*param.fAn+dr*dr*param.fAd-dfi;
+ fTempInfo->SetOldR(fTempInfo->GetOldR()+dl/ratio);
+
+ if (fTempInfo->GetStackIndex()>2){
+ dr = r-param.GetR();
+ dz = z-param.GetZ();
+ dfi = fi-param.GetFi();
+ ddz = dr*param.GetTheta()+dr*dr*param.GetThetaD()-dz;
+ ddfi= dr*param.GetAn()+dr*dr*param.GetAd()-dfi;
dd = TMath::Sqrt(ddz*ddz+r*r*ddfi*ddfi+ddl*ddl);
//
}
//safety factor 1.25
if ( ( (dd*1.25>fPrecision) ) ||
- (fTempInfo->fStackIndex+4>fTempInfo->fkStackSize) ||
+ (fTempInfo->GetStackIndex()+4>fTempInfo->kStackSize) ||
(TMath::Abs(dl/fStep)>fMaxDistance) )
diff=kTRUE;
else{ // if precision OK
- fTempInfo->fStackIndex++;
- fTempInfo->SetHit(r,z,fi,q);
+ fTempInfo->SetStackIndex(fTempInfo->GetStackIndex()+1);
+ fTempInfo->SetHit(r,z,fi,q,time);
return;
}
//if parameter changed
if (FlushHitStack(kFALSE)){ //if full buffer flushed
- fTempInfo->fParamIndex++;
- fTempInfo->fParam = new((*fArray)[fTempInfo->fParamIndex]) AliTrackHitsParamV2;
- fTempInfo->fParam->fVolumeID = volumeID;
- fTempInfo->fParam->fTrackID = trackID;
- fTempInfo->NewParam(r,z,fi,q);
+ fTempInfo->SetParamIndex(fTempInfo->GetParamIndex()+1);
+ fTempInfo->SetParam(new((*fArray)[fTempInfo->GetParamIndex()]) AliTrackHitsParamV2);
+ fTempInfo->GetParam()->SetVolumeID(volumeID);
+ fTempInfo->GetParam()->SetTrackID(trackID);
+ fTempInfo->NewParam(r,z,fi,q,time);
}
else{
- fTempInfo->fStackIndex++;
- fTempInfo->SetHit(r,z,fi,q);
+ fTempInfo->SetStackIndex(fTempInfo->GetStackIndex()+1);
+ fTempInfo->SetHit(r,z,fi,q,time);
}
}
Bool_t AliTPCTrackHitsV2::FlushHitStack(Bool_t force)
{
//
- //write fHitsPosAndQ information from the stack to te arrays
+ // write fHitsPosAndQ information from the stack to te arrays
+ //
if (!fTempInfo) return kFALSE;
- AliTrackHitsParamV2 & param = *(fTempInfo->fParam);
+ AliTrackHitsParamV2 & param = *(fTempInfo->GetParam());
//recalculate track parameter not fixing first point
fTempInfo->UpdateParam(fStep/4.);
//fTempInfo->Fit(fTempInfo->fParam); //- fixing the first and the last point
- Double_t oldr = param.fR;
+ Double_t oldr = param.GetR();
UInt_t i;
Double_t dd;
- param.fNHits = fTempInfo->fStackIndex+1;
- if (param.fHitDistance) delete []param.fHitDistance;
- if (param.fCharge) delete []param.fCharge;
- param.fHitDistance = new Short_t[param.fNHits];
- param.fCharge = new Short_t[param.fNHits];
+ param.SetNHits(fTempInfo->GetStackIndex()+1);
+ // if (param.fHitDistance) delete []param.fHitDistance;
+ // if (param.fCharge) delete []param.fCharge;
+ // if (param.fTime) delete []param.fTime;
+ param.SetHitDistance(param.GetNHits());
+ param.SetCharge(param.GetNHits());
+ param.SetTime(param.GetNHits());
- for (i=0; i <= fTempInfo->fStackIndex; i++){
+ for (i=0; i <= fTempInfo->GetStackIndex(); i++){
Double_t * position = fTempInfo->GetPosition(i);
Double_t dr = position[0]-oldr;
Double_t ratio;
{
//Double_t dfi2 = param.fAn+2*param.fAd*(position[0]-param.fR);
- Double_t dfi2 = param.fAn;
+ Double_t dfi2 = param.GetAn();
dfi2*=dfi2*oldr*oldr;
//Double_t ddz2 = param.fTheta+2*param.fThetaD*(position[0]-param.fR);
- Double_t ddz2 = param.fTheta;
+ Double_t ddz2 = param.GetTheta();
ddz2*=ddz2;
ratio = TMath::Sqrt(1.+ dfi2+ ddz2);
}
- Double_t dl = fStep*(Short_t)TMath::Nint(dr*ratio/fStep);
+ // Double_t dl = fStep*(Short_t)TMath::Nint(dr*ratio/fStep); //MI change
+ Double_t dl = dr*ratio/fStep;
+ if (TMath::Abs(dl)>32765) dl =0;
+ dl = fStep * Short_t(TMath::Nint(dl));
+
dr = dl/ratio;
oldr+=dr;
//calculate precission
- AliTrackHitsParamV2 ¶m = *(fTempInfo->fParam);
+ AliTrackHitsParamV2 ¶ml = *(fTempInfo->GetParam());
//real deltas
- Double_t dr1= position[0]-param.fR;
- Double_t dz = position[1]-param.fZ;
- Double_t dfi = position[2]-param.fFi;
+ Double_t dr1= position[0]-paraml.GetR();
+ Double_t dz = position[1]-paraml.GetZ();
+ Double_t dfi = position[2]-paraml.GetFi();
//extrapolated deltas
- Double_t dr2 = oldr-param.fR;
+ Double_t dr2 = oldr-paraml.GetR();
Double_t ddr = dr2-dr1;
- Double_t ddz = dr2*param.fTheta+dr2*dr2*param.fThetaD-dz;
- Double_t ddfi= dr2*param.fAn+dr2*dr2*param.fAd-dfi;
+ Double_t ddz = dr2*paraml.GetTheta()+dr2*dr2*paraml.GetThetaD()-dz;
+ Double_t ddfi= dr2*paraml.GetAn()+dr2*dr2*paraml.GetAd()-dfi;
dd = TMath::Sqrt(ddz*ddz+oldr*oldr*ddfi*ddfi+ddr*ddr);
if ( (dd>fPrecision) ){
//if ( (dd<0) ){
if (i==0){
- param.fAn = 0;
- param.fAd = 0;
- param.fTheta =0;
- param.fThetaD =0;
- Double_t ddz = dr2*param.fTheta+dr2*dr2*param.fThetaD-dz;
- Double_t ddfi= dr2*param.fAn+dr2*dr2*param.fAd-dfi;
+ paraml.SetAn(0);
+ paraml.SetAd(0);
+ paraml.SetTheta(0);
+ paraml.SetThetaD(0);
+ Double_t ddz1 = dr2*paraml.GetTheta()+dr2*dr2*paraml.GetThetaD()-dz;
+ Double_t ddfi1= dr2*paraml.GetAn()+dr2*dr2*paraml.GetAd()-dfi;
dl = 0;
- dd = TMath::Sqrt(ddz*ddz+oldr*oldr*ddfi*ddfi+ddr*ddr);
+ dd = TMath::Sqrt(ddz1*ddz1+oldr*oldr*ddfi1*ddfi1+ddr*ddr);
}
else
break;
}
- param.fHitDistance[i]= Short_t(TMath::Nint(dl/fStep));
- param.fCharge[i]= Short_t(fTempInfo->fQStack[i]);
+ paraml.HitDistance(i)= Short_t(TMath::Nint(dl/fStep));
+ paraml.Charge(i)= Short_t(fTempInfo->GetQStack(i));
+ paraml.Time(i)= Short_t(fTempInfo->GetTimeStack(i)/AliTPCTrackHitsV2::fgkTimePrecision);
}
- if (i<=fTempInfo->fStackIndex){ //if previous iteration not succesfull
- Short_t * charge = new Short_t[i];
- Short_t * hitDistance= new Short_t[i];
- memcpy(charge, param.fCharge,sizeof(Short_t)*i);
- memcpy(hitDistance, param.fHitDistance,sizeof(Short_t)*i);
- delete [] param.fCharge;
- delete [] param.fHitDistance;
- param.fNHits= i;
- param.fCharge = charge;
- param.fHitDistance = hitDistance;
+ if (i<=fTempInfo->GetStackIndex()){ //if previous iteration not succesfull
+ // Short_t * charge = new Short_t[i];
+ // Short_t * time = new Short_t[i];
+ // Short_t * hitDistance= new Short_t[i];
+ // memcpy(charge, param.fCharge,sizeof(Short_t)*i);
+ // memcpy(time, param.fTime,sizeof(Short_t)*i);
+ // memcpy(hitDistance, param.fHitDistance,sizeof(Short_t)*i);
+ // delete [] param.fCharge;
+ // delete [] param.fTime;
+ // delete [] param.fHitDistance;
+ param.SetNHits(i);
+ param.ResizeCharge(i);
+ param.ResizeTime(i);
+ param.ResizeHitDistance(i);
//
- Int_t volumeID = fTempInfo->fParam->fVolumeID;
- Int_t trackID =fTempInfo->fParam->fTrackID;
- fTempInfo->fParamIndex++;
- fTempInfo->fParam = new((*fArray)[fTempInfo->fParamIndex]) AliTrackHitsParamV2;
+ Int_t volumeID = fTempInfo->GetParam()->GetVolumeID();
+ Int_t trackID =fTempInfo->GetParam()->GetTrackID();
+ fTempInfo->SetParamIndex(fTempInfo->GetParamIndex()+1);
+ fTempInfo->SetParam(new((*fArray)[fTempInfo->GetParamIndex()]) AliTrackHitsParamV2);
Double_t * p = fTempInfo->GetPosition(i);
- UInt_t index2 = fTempInfo->fStackIndex;
- fTempInfo->NewParam(p[0],p[1],p[2],fTempInfo->fQStack[i]);
- fTempInfo->fParam->fVolumeID= volumeID;
- fTempInfo->fParam->fTrackID= trackID;
+ UInt_t index2 = fTempInfo->GetStackIndex();
+ fTempInfo->NewParam(p[0],p[1],p[2],fTempInfo->GetQStack(i),fTempInfo->GetTimeStack(i));
+ fTempInfo->GetParam()->SetVolumeID(volumeID);
+ fTempInfo->GetParam()->SetTrackID(trackID);
if (i+1<=index2) FlushHitStack2(i+1,index2);
if (force) return FlushHitStack(kTRUE);
{
//
// second iteration flush stack
- // call only for hits where first iteration were not succesfully interpolated
+ // call only for hits where first iteration were not succesfully interpolated
+ //
Double_t * positionstack = new Double_t[3*(index2-index1+1)];
UInt_t * qstack = new UInt_t[index2-index1+1];
- memcpy(positionstack, &fTempInfo->fPositionStack[3*index1],
+ Float_t * timestack = new Float_t[index2-index1+1];
+ memcpy(positionstack, fTempInfo->GetPosition(index1),
(3*(index2-index1+1))*sizeof(Double_t));
- memcpy(qstack, &fTempInfo->fQStack[index1],(index2-index1+1)*sizeof(UInt_t));
+ memcpy(qstack, fTempInfo->GetQStackP(index1),(index2-index1+1)*sizeof(UInt_t));
+ memcpy(timestack, fTempInfo->GetTimeStackP(index1),(index2-index1+1)*sizeof(Float_t));
Double_t *p = positionstack;
for (Int_t j=0; j<=index2-index1;j++){
- fTempInfo->fStackIndex++;
- fTempInfo->SetHit(p[3*j+0],p[3*j+1],p[3*j+2],qstack[j]);
+ fTempInfo->SetStackIndex(fTempInfo->GetStackIndex()+1);
+ fTempInfo->SetHit(p[3*j+0],p[3*j+1],p[3*j+2],qstack[j],timestack[j]);
}
delete []positionstack;
delete []qstack;
+ delete []timestack;
}
{
//
//add volumes to tthe list of volumes
+ //
Int_t * volumes = new Int_t[fNVolumes+1];
- if (fVolumes) memcpy(volumes,fVolumes,(fNVolumes+1)*sizeof(Int_t));
+ if (fVolumes) memcpy(volumes,fVolumes,(fNVolumes)*sizeof(Int_t));
volumes[fNVolumes]=volume;
fNVolumes++;
if (fVolumes) delete []fVolumes;
}
-
-
-
Bool_t AliTPCTrackHitsV2::First()
{
//
//set Current hit for the first hit
//
+
+ if (fArray->GetSize()<=0) {
+ fCurrentHit->SetStatus(kFALSE);
+ return kFALSE;
+ }
+
AliTrackHitsParamV2 *param = (AliTrackHitsParamV2 *)fArray->At(0);
+ if (!fHit) fHit = new AliTPChit;
if (!(param) ) {
- fCurrentHit->fStatus = kFALSE;
+ fCurrentHit->SetStatus(kFALSE);
return kFALSE;
}
//
- fCurrentHit->fParamIndex = 0;
- fCurrentHit->fStackIndex = 0;
+ fCurrentHit->SetParamIndex(0);
+ fCurrentHit->SetStackIndex(0);
//
- fCurrentHit->fHit.fSector = param->fVolumeID;
- fCurrentHit->fHit.SetTrack(param->fTrackID);
- fCurrentHit->fHit.SetX(param->fR*TMath::Cos(param->fFi));
- fCurrentHit->fHit.SetY(param->fR*TMath::Sin(param->fFi));
- fCurrentHit->fHit.SetZ(param->fZ);
- fCurrentHit->fHit.fQ = param->fCharge[0];
- fCurrentHit->fR = param->fR;
+ //
+ ((AliTPChit*)fHit)->fSector = param->GetVolumeID();
+ ((AliTPChit*)fHit)->SetTrack(param->GetTrackID());
+ ((AliTPChit*)fHit)->SetX(param->GetR()*TMath::Cos(param->GetFi()));
+ ((AliTPChit*)fHit)->SetY(param->GetR()*TMath::Sin(param->GetFi()));
+ ((AliTPChit*)fHit)->SetZ(param->GetZ());
+ ((AliTPChit*)fHit)->fQ = param->Charge(0);
+ ((AliTPChit*)fHit)->fTime = (Float_t)(param->Time(0)*AliTPCTrackHitsV2::fgkTimePrecision);
+ /*
+ fCurrentHit->fHit.fSector = param->fVolumeID;
+ fCurrentHit->fHit.SetTrack(param->fTrackID);
+ fCurrentHit->fHit.SetX(param->fR*TMath::Cos(param->fFi));
+ fCurrentHit->fHit.SetY(param->fR*TMath::Sin(param->fFi));
+ fCurrentHit->fHit.SetZ(param->fZ);
+ fCurrentHit->fHit.fQ = param->fCharge[0];
+ fCurrentHit->fHit.fTime = (Float_t)(param->fTime[0]*AliTPCTrackHitsV2::fgkTimePrecision);
+ */
+ fCurrentHit->SetR(param->GetR());
- return fCurrentHit->fStatus = kTRUE;
+ fCurrentHit->SetStatus(kTRUE);
+ return fCurrentHit->GetStatus();
}
Bool_t AliTPCTrackHitsV2::Next()
{
//
- //
- if (!(fCurrentHit->fStatus))
+ // Hit iterator
+ //
+ if (!(fCurrentHit->GetStatus()))
return kFALSE;
- fCurrentHit->fStackIndex++;
+ fCurrentHit->SetStackIndex(fCurrentHit->GetStackIndex()+1);
- AliTrackHitsParamV2 *param = (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->fParamIndex);
- if (fCurrentHit->fStackIndex>=param->fNHits){
- fCurrentHit->fParamIndex++;
- if (fCurrentHit->fParamIndex>=fArray->GetEntriesFast()){
- fCurrentHit->fStatus=kFALSE;
+ AliTrackHitsParamV2 *param = (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->GetParamIndex());
+ if (fCurrentHit->GetStackIndex()>=param->GetNHits()){
+ fCurrentHit->SetParamIndex(fCurrentHit->GetParamIndex()+1);
+ if (fCurrentHit->GetParamIndex()>=fArray->GetEntriesFast()){
+ fCurrentHit->SetStatus(kFALSE);
return kFALSE;
}
- param = (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->fParamIndex);
- fCurrentHit->fStackIndex=0;
- fCurrentHit->fR = param->fR;
+ param = (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->GetParamIndex());
+ fCurrentHit->SetStackIndex(0);
+ fCurrentHit->SetR(param->GetR());
}
Double_t ratio;
{
// Double_t dfi2 = param->fAn+2*param->fAd*(fCurrentHit->fR-param->fR);
- Double_t dfi2 = param->fAn;
- dfi2*=dfi2*fCurrentHit->fR*fCurrentHit->fR;
+ Double_t dfi2 = param->GetAn();
+ dfi2*=dfi2*fCurrentHit->GetR()*fCurrentHit->GetR();
// Double_t ddz2 = param->fTheta+2*param->fThetaD*(fCurrentHit->fR-param->fR);
- Double_t ddz2 = param->fTheta;
+ Double_t ddz2 = param->GetTheta();
ddz2*=ddz2;
ratio = TMath::Sqrt(1.+ dfi2+ ddz2);
}
- fCurrentHit->fR += fStep*param->fHitDistance[fCurrentHit->fStackIndex]/ratio;
-
- Double_t dR = fCurrentHit->fR - param->fR;
- Double_t fi = param->fFi + (param->fAn*dR+param->fAd*dR*dR);
- Double_t z = param->fZ + (param->fTheta*dR+param->fThetaD*dR*dR);
+ fCurrentHit->SetR(fCurrentHit->GetR()+fStep*param->HitDistance(fCurrentHit->GetStackIndex())/ratio);
+ Double_t dR = fCurrentHit->GetR() - param->GetR();
+ Double_t fi = param->GetFi() + (param->GetAn()*dR+param->GetAd()*dR*dR);
+ Double_t z = param->GetZ() + (param->GetTheta()*dR+param->GetThetaD()*dR*dR);
+ /*
fCurrentHit->fHit.fQ = param->fCharge[fCurrentHit->fStackIndex];
+ fCurrentHit->fHit.fTime = (Float_t)(param->fTime[fCurrentHit->fStackIndex]*AliTPCTrackHitsV2::fgkTimePrecision);
fCurrentHit->fHit.SetX(fCurrentHit->fR*TMath::Cos(fi));
fCurrentHit->fHit.SetY(fCurrentHit->fR*TMath::Sin(fi));
fCurrentHit->fHit.SetZ(z);
fCurrentHit->fHit.fSector = param->fVolumeID;
fCurrentHit->fHit.SetTrack(param->fTrackID);
+ */
+ ((AliTPChit*)fHit)->fQ = param->Charge(fCurrentHit->GetStackIndex());
+ ((AliTPChit*)fHit)->fTime = (Float_t)(param->Time(fCurrentHit->GetStackIndex())*AliTPCTrackHitsV2::fgkTimePrecision);
+ ((AliTPChit*)fHit)->SetX(fCurrentHit->GetR()*TMath::Cos(fi));
+ ((AliTPChit*)fHit)->SetY(fCurrentHit->GetR()*TMath::Sin(fi));
+ ((AliTPChit*)fHit)->SetZ(z);
+ ((AliTPChit*)fHit)->fSector = param->GetVolumeID();
+ ((AliTPChit*)fHit)->SetTrack(param->GetTrackID());
+
return kTRUE;
}
-AliTPChit * AliTPCTrackHitsV2::GetHit()
+AliHit * AliTPCTrackHitsV2::GetHit() const
{
//
- return (fCurrentHit->fStatus)? &fCurrentHit->fHit:0;
+ // Return one hit
+ //
+ return (fCurrentHit->GetStatus())? fHit:0;
//return &fCurrentHit->fHit;
}
AliTrackHitsParamV2 * AliTPCTrackHitsV2::GetParam()
{
- return (fCurrentHit->fStatus)? (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->fParamIndex):0;
+ //
+ // Return current parameters
+ //
+ return (fCurrentHit->GetStatus())?
+ (AliTrackHitsParamV2 *)fArray->At(fCurrentHit->GetParamIndex()):0;
}
+