}
//_______________________________________________________________
-AliITSclusterTable::AliITSclusterTable(Float_t x, Float_t y, Float_t z, Float_t sx, Float_t sy, Float_t sz, Double_t phi, Double_t lambda, Int_t index):
+AliITSclusterTable::AliITSclusterTable(Double_t x, Double_t y, Double_t z, Double_t sx, Double_t sy, Double_t sz, Double_t phi, Double_t lambda, Int_t index):
fOrInd(index),
fX(x),
fY(y),
public:
AliITSclusterTable();
- AliITSclusterTable(Float_t x, Float_t y, Float_t z, Float_t sx, Float_t sy, Float_t sz, Double_t phi, Double_t lambda, Int_t index);
+ AliITSclusterTable(Double_t x, Double_t y, Double_t z, Double_t sx, Double_t sy, Double_t sz, Double_t phi, Double_t lambda, Int_t index);
virtual ~AliITSclusterTable(){;}
Int_t GetOrInd() const {return fOrInd;}
- Float_t GetX() const {return fX;}
- Float_t GetY() const {return fY;}
- Float_t GetZ() const {return fZ;}
- Float_t GetSx() const {return fSx;}
- Float_t GetSy() const {return fSy;}
- Float_t GetSz() const {return fSz;}
- Float_t GetPhi() const {return fPhi;}
- Float_t GetLambda() const {return fLam;}
+ Double_t GetX() const {return fX;}
+ Double_t GetY() const {return fY;}
+ Double_t GetZ() const {return fZ;}
+ Double_t GetSx() const {return fSx;}
+ Double_t GetSy() const {return fSy;}
+ Double_t GetSz() const {return fSz;}
+ Double_t GetPhi() const {return fPhi;}
+ Double_t GetLambda() const {return fLam;}
protected:
Int_t fOrInd; //! original index in tracker
- Float_t fX; //!x of cluster
- Float_t fY; //!y of cluster
- Float_t fZ; //!z of cluster
- Float_t fSx; //! error on x
- Float_t fSy; //! error on y
- Float_t fSz; //! error on z
+ Double_t fX; //!x of cluster
+ Double_t fY; //!y of cluster
+ Double_t fZ; //!z of cluster
+ Double_t fSx; //! error on x
+ Double_t fSy; //! error on y
+ Double_t fSz; //! error on z
Double_t fPhi; //! azimuthal angle
Double_t fLam; //! lambda angle
- ClassDef(AliITSclusterTable,2)
+ ClassDef(AliITSclusterTable,3)
};
#endif
if(cls->GetQ()==0) continue;
if(ilay>1 && cls->GetQ()<=fMinQ) continue;
Double_t phi=0;Double_t lambda=0;
- Float_t x=0;Float_t y=0;Float_t z=0;
- Float_t sx=0;Float_t sy=0;Float_t sz=0;
+ Double_t x=0;Double_t y=0;Double_t z=0;
+ Double_t sx=0;Double_t sy=0;Double_t sz=0;
GetCoorAngles(cls,phi,lambda,x,y,z,primaryVertex);
GetCoorErrors(cls,sx,sy,sz);
new (clulay[dmar[ilay]]) AliITSRecPoint(*cls);
Int_t module1 = p1->GetDetectorIndex()+firstmod[firstLay];
Int_t layer,ladder,detector;
AliITSgeomTGeo::GetModuleId(module1,layer,ladder,detector);
- Float_t yclu1 = p1->GetY();
- Float_t zclu1 = p1->GetZ();
+ Double_t yclu1 = p1->GetY();
+ Double_t zclu1 = p1->GetZ();
Double_t x1,y1,z1;
Double_t x2,y2,z2;
AliITSlayer &lay = fgLayers[layer];
Double_t r=lay.GetR();
if(pflag==1){
- Float_t cx1,cx2,cy1,cy2;
+ Double_t cx1,cx2,cy1,cy2;
FindEquation(fPoint1[0],fPoint1[1],fPoint2[0],fPoint2[1],fPoint3[0],fPoint3[1],fCoef1,fCoef2,fCoef3);
if (FindIntersection(fCoef1,fCoef2,fCoef3,-r*r,cx1,cy1,cx2,cy2)==0)
return 0;
Int_t ncl = fCluLayer[layer]->GetEntriesFast();
for (Int_t index=0; index<ncl; index++) {
- AliITSRecPoint *c = (AliITSRecPoint*)fCluLayer[layer]->UncheckedAt(index);
- if (!c) continue;
AliITSclusterTable* arr = (AliITSclusterTable*)GetClusterCoord(layer,index);
}
//___________________________________________________________________
-Int_t AliITStrackerSA::FindEquation(Float_t x1, Float_t y1, Float_t x2, Float_t y2, Float_t x3, Float_t y3,Float_t& a, Float_t& b, Float_t& c){
+Int_t AliITStrackerSA::FindEquation(Double_t x1, Double_t y1, Double_t x2, Double_t y2, Double_t x3, Double_t y3,Double_t& a, Double_t& b, Double_t& c){
//given (x,y) of three recpoints (in global coordinates)
//returns the parameters a,b,c of circonference x*x + y*y +a*x + b*y +c
- Float_t den = (x3-x1)*(y2-y1)-(x2-x1)*(y3-y1);
+ Double_t den = (x3-x1)*(y2-y1)-(x2-x1)*(y3-y1);
if(den==0) return 0;
a = ((y3-y1)*(x2*x2+y2*y2-x1*x1-y1*y1)-(y2-y1)*(x3*x3+y3*y3-x1*x1-y1*y1))/den;
b = -(x2*x2-x1*x1+y2*y2-y1*y1+a*(x2-x1))/(y2-y1);
return 1;
}
//__________________________________________________________________________
- Int_t AliITStrackerSA::FindIntersection(Float_t a1, Float_t b1, Float_t c1, Float_t c2,Float_t& x1,Float_t& y1, Float_t& x2, Float_t& y2){
+ Int_t AliITStrackerSA::FindIntersection(Double_t a1, Double_t b1, Double_t c1, Double_t c2,Double_t& x1,Double_t& y1, Double_t& x2, Double_t& y2){
//Finds the intersection between the circonference of the track and the circonference centered in (0,0) represented by one layer
//c2 is -rlayer*rlayer
return label;
}
//_____________________________________________________________________________
-void AliITStrackerSA::SetCalculatedWindowSizes(Int_t n, Float_t phimin, Float_t phimax, Float_t lambdamin, Float_t lambdamax){
+void AliITStrackerSA::SetCalculatedWindowSizes(Int_t n, Double_t phimin, Double_t phimax, Double_t lambdamin, Double_t lambdamax){
// Set sizes of the phi and lambda windows used for track finding
fNloop = n;
if(fPhiWin) delete [] fPhiWin;
if(fLambdaWin) delete [] fLambdaWin;
fPhiWin = new Double_t[fNloop];
fLambdaWin = new Double_t[fNloop];
- Float_t stepPhi=(phimax-phimin)/(Float_t)(fNloop-1);
- Float_t stepLambda=(lambdamax-lambdamin)/(Float_t)(fNloop-1);
+ Double_t stepPhi=(phimax-phimin)/(Double_t)(fNloop-1);
+ Double_t stepLambda=(lambdamax-lambdamin)/(Double_t)(fNloop-1);
for(Int_t k=0;k<fNloop;k++){
- Float_t phi=phimin+k*stepPhi;
- Float_t lam=lambdamin+k*stepLambda;
+ Double_t phi=phimin+k*stepPhi;
+ Double_t lam=lambdamin+k*stepLambda;
fPhiWin[k]=phi;
fLambdaWin[k]=lam;
}
}
//_______________________________________________________________________
-void AliITStrackerSA::GetCoorAngles(AliITSRecPoint* cl,Double_t &phi,Double_t &lambda, Float_t &x, Float_t &y,Float_t &z,Double_t* vertex){
+void AliITStrackerSA::GetCoorAngles(AliITSRecPoint* cl,Double_t &phi,Double_t &lambda, Double_t &x, Double_t &y,Double_t &z,Double_t* vertex){
//Returns values of phi (azimuthal) and lambda angles for a given cluster
/*
Double_t rot[9]; fGeom->GetRotMatrix(module,rot);
Int_t lay,lad,det; fGeom->GetModuleId(module,lay,lad,det);
- Float_t tx,ty,tz; fGeom->GetTrans(lay,lad,det,tx,ty,tz);
+ Double_t tx,ty,tz; fGeom->GetTrans(lay,lad,det,tx,ty,tz);
Double_t alpha=TMath::ATan2(rot[1],rot[0])+TMath::Pi();
Double_t phi1=TMath::Pi()/2+alpha;
if (lay==1) phi1+=TMath::Pi();
- Float_t cp=TMath::Cos(phi1), sp=TMath::Sin(phi1);
- Float_t r=tx*cp+ty*sp;
+ Double_t cp=TMath::Cos(phi1), sp=TMath::Sin(phi1);
+ Double_t r=tx*cp+ty*sp;
xyz= r*cp - cl->GetY()*sp;
y= r*sp + cl->GetY()*cp;
}
//________________________________________________________________________
-void AliITStrackerSA::GetCoorErrors(AliITSRecPoint* cl,Float_t &sx,Float_t &sy, Float_t &sz){
+void AliITStrackerSA::GetCoorErrors(AliITSRecPoint* cl,Double_t &sx,Double_t &sy, Double_t &sz){
//returns sigmax, y, z of cluster in global coordinates
/*
Double_t phi=TMath::Pi()/2+alpha;
if (lay==1) phi+=TMath::Pi();
- Float_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);
+ Double_t cp=TMath::Cos(phi), sp=TMath::Sin(phi);
*/
Float_t covm[6];
cl->GetGlobalCov(covm);
void SetSAFlag(Bool_t fl){fITSStandAlone=fl;} // StandAlone flag setter
Bool_t GetSAFlag() const {return fITSStandAlone;} // StandAlone flag getter
void SetFixedWindowSizes(Int_t n=46, Double_t *phi=0, Double_t *lam=0);
- void SetCalculatedWindowSizes(Int_t n=10, Float_t phimin=0.002, Float_t phimax=0.0145, Float_t lambdamin=0.003, Float_t lambdamax=0.008);
+ void SetCalculatedWindowSizes(Int_t n=10, Double_t phimin=0.002, Double_t phimax=0.0145, Double_t lambdamin=0.003, Double_t lambdamax=0.008);
void SetMinNPoints(Int_t np){fMinNPoints=np;}
Int_t GetMinNPoints() const {return fMinNPoints;}
- void SetMinimumChargeSDDSSD(Float_t minq=0.){fMinQ=minq;}
+ void SetMinimumChargeSDDSSD(Double_t minq=0.){fMinQ=minq;}
enum {kSAflag=0x8000}; //flag to mark clusters used in the SA tracker
protected:
Double_t ChoosePoint(Double_t p1, Double_t p2, Double_t pp);
- static Int_t FindIntersection(Float_t a1, Float_t b1, Float_t c1, Float_t c2,
- Float_t& x1,Float_t& y1, Float_t& x2, Float_t& y2);
- static Int_t FindEquation(Float_t x1, Float_t y1, Float_t x2, Float_t y2,
- Float_t x3, Float_t y3,Float_t& a, Float_t& b,
- Float_t& c);
+ static Int_t FindIntersection(Double_t a1, Double_t b1, Double_t c1, Double_t c2,
+ Double_t& x1,Double_t& y1, Double_t& x2, Double_t& y2);
+ static Int_t FindEquation(Double_t x1, Double_t y1, Double_t x2, Double_t y2,
+ Double_t x3, Double_t y3,Double_t& a, Double_t& b,
+ Double_t& c);
Int_t FindLabel(AliITStrackV2* track);
Int_t SearchClusters(Int_t layer,Double_t phiwindow,Double_t lambdawindow,
AliITStrackSA* trs,Double_t zvertex,Int_t flagp);
- void GetCoorAngles(AliITSRecPoint* cl,Double_t &phi,Double_t &lambda,Float_t &x,Float_t &y,Float_t &z,Double_t* vertex);
- void GetCoorErrors(AliITSRecPoint* cl,Float_t &sx,Float_t &sy, Float_t &sz);
+ void GetCoorAngles(AliITSRecPoint* cl,Double_t &phi,Double_t &lambda,Double_t &x,Double_t &y,Double_t &z,Double_t* vertex);
+ void GetCoorErrors(AliITSRecPoint* cl,Double_t &sx,Double_t &sy, Double_t &sz);
AliITSclusterTable* GetClusterCoord(Int_t layer,Int_t n) const {return (AliITSclusterTable*)fCluCoord[layer]->UncheckedAt(n);}
void RemoveClusterCoord(Int_t layer, Int_t n) {fCluCoord[layer]->RemoveAt(n);fCluCoord[layer]->Compress();}
Double_t fPhiEstimate; //Estimation of phi angle on next layer
Bool_t fITSStandAlone; //Tracking is performed in the ITS alone if kTRUE
- Float_t fPoint1[2]; //! coord. of 1-st point to evaluate the curvature
- Float_t fPoint2[2]; //! coord. of 2-nd point to evaluate the curvature
- Float_t fPoint3[2]; //! coord. of 3-rd point to evaluate the curvature
- Float_t fPointc[2]; //! current point coord (for curvature eval.)
+ Double_t fPoint1[2]; //! coord. of 1-st point to evaluate the curvature
+ Double_t fPoint2[2]; //! coord. of 2-nd point to evaluate the curvature
+ Double_t fPoint3[2]; //! coord. of 3-rd point to evaluate the curvature
+ Double_t fPointc[2]; //! current point coord (for curvature eval.)
Double_t fLambdac; //! current value of the Lambda angle in the window
Double_t fPhic; //! current value of the Phi angle in the window
- Float_t fCoef1; //! param. of the equation of the circ. approx a layer
- Float_t fCoef2; //! param. of the equation of the circ. approx a layer
- Float_t fCoef3; //! param. of the equation of the circ. approx a layer
+ Double_t fCoef1; //! param. of the equation of the circ. approx a layer
+ Double_t fCoef2; //! param. of the equation of the circ. approx a layer
+ Double_t fCoef3; //! param. of the equation of the circ. approx a layer
Int_t fNloop; // Number of iterqations on phi and lambda windows
Double_t *fPhiWin; // phi window sizes
Double_t *fLambdaWin; // lambda window sizes
Int_t fOuterStartLayer; // Outward search for tracks with <6 points: outer layer to start from
Int_t fInnerStartLayer; // Inward search for tracks with <6 points: inner layer to start from
Int_t fMinNPoints; // minimum number of clusters for a track
- Float_t fMinQ; // lower cut on cluster charge (SDD and SSD)
+ Double_t fMinQ; // lower cut on cluster charge (SDD and SSD)
TClonesArray** fCluLayer; //! array with clusters
TClonesArray** fCluCoord; //! array with cluster info
AliITStrackerSA(const AliITStrackerSA& tracker);
AliITStrackerSA& operator=(const AliITStrackerSA& source);
- ClassDef(AliITStrackerSA,10)
+ ClassDef(AliITStrackerSA,11)
};
#endif
git://git.uio.no / u / mrichter / AliRoot.git / commitdiff