//////////////////////////////////////////////////////////////////////////////
#include "AliTrackFitter.h"
+#include "AliRieman.h"
+class TTreeSRedirector;
+class AliRieman;
class AliTrackFitterRieman : public AliTrackFitter{
public:
AliTrackFitterRieman(AliTrackPointArray *array, Bool_t owner = kTRUE);
AliTrackFitterRieman(const AliTrackFitterRieman &rieman);
AliTrackFitterRieman &operator =(const AliTrackFitterRieman& rieman);
- virtual ~AliTrackFitterRieman() {}
+ virtual ~AliTrackFitterRieman();
Bool_t Fit(const TArrayI *volIds,const TArrayI *volIdsFit = 0x0,
- AliAlignObj::ELayerID layerRangeMin = AliAlignObj::kFirstLayer,
- AliAlignObj::ELayerID layerRangeMax = AliAlignObj::kLastLayer);
+ AliGeomManager::ELayerID layerRangeMin = AliGeomManager::kFirstLayer,
+ AliGeomManager::ELayerID layerRangeMax = AliGeomManager::kLastLayer);
Bool_t GetPCA(const AliTrackPoint &p, AliTrackPoint &p2) const;
-
+ void SetMaxDelta(Float_t maxDelta) { fMaxDelta = maxDelta;}
+ Float_t GetMaxDelta() const { return fMaxDelta;}
+ void SetCorrection(Bool_t correction){ fBCorrection=correction;}
+ Bool_t GetCorrection() const {return fBCorrection ;}
void Reset();
void AddPoint(Float_t x, Float_t y, Float_t z, Float_t sy, Float_t sz);
- void Update();
+ Bool_t Update();
- Double_t GetC() const;
+ Double_t GetC() const {return fRieman->GetC();}
Double_t GetYat(Double_t x) const;
Double_t GetZat(Double_t x) const;
- Double_t GetDYat(Double_t x) const;
- Double_t GetDZat(Double_t x) const;
- Bool_t GetXYZat(Double_t r, Float_t *xyz) const;
+ Double_t GetDYat(Double_t x) const {return fRieman->GetDYat(x);}
+ Double_t GetDZat(Double_t x) const {return fRieman->GetDZat(x);}
+ Double_t GetErrY2at(Double_t x) const;
+ Double_t GetErrZ2at(Double_t x) const;
- protected:
+ Bool_t GetXYZat(Double_t r, Float_t *xyz) const {return fRieman->GetXYZat(r, fAlpha,xyz);}
+ AliRieman *GetRieman() const {return fRieman;}
+
+ // Methods needed in order to use the class
+ // inside the millipede alignment algorithm
+ Double_t GetAlpha() const { return fAlpha; }
+ void SetParam(Int_t i, Double_t par);
+
+ void SetMinPointRadius(Double_t radius) { fMinPointRadius = radius; }
+ void SetMaxPointRadius(Double_t radius) { fMaxPointRadius = radius; }
+ Double_t GetMinPointRadius() const { return fMinPointRadius; }
+ Double_t GetMaxPointRadius() const { return fMaxPointRadius; }
+ protected:
+ Bool_t fBCorrection; //add correction for non-helicity
Double_t fAlpha; //angle to transform to the fitting coordinate system
- Double_t fSumXY[9]; //sums for XY part
- Double_t fSumYY; //sum for YY part
- Double_t fSumXZ[9]; //sums for XZ part
- Double_t fSumZZ; //sum for ZZ part
Int_t fNUsed; //actual number of space-points used in the fit
- Bool_t fConv; // indicates convergation
- Float_t *fX; // Array of x coordinates
- Float_t *fY; // Array of y coordinates
- Float_t *fZ; // Array of z coordinates
- Float_t *fSy; // Array of errors on y coordinate
- Float_t *fSz; // Array of errors on z coordinate
-
+ Bool_t fConv; //indicates convergation
+ Float_t fMaxDelta; // maximal allowed delta in PCA exported for PCA minimization
+ AliRieman *fRieman; // rieman fitter
+ Double_t fCorrY[4]; // correction polynom coef
+ Double_t fCorrZ[4]; // correction polynom coef
+ Double_t fMinPointRadius; // minimal allowed radius for the point to be included in the fit
+ Double_t fMaxPointRadius; // maximal allowed radius for the point to be included in the fit
private:
-
- ClassDef(AliTrackFitterRieman,1) // Fast fit of helices on ITS RecPoints
+ Bool_t Begin(Int_t, Int_t) {Reset(); return kTRUE;}
+ Bool_t AddPoint(const AliTrackPoint *) {return kTRUE;}
+ TTreeSRedirector *fDebugStream; //!debug streamer
+ ClassDef(AliTrackFitterRieman,3) // Fast fit of helices on ITS RecPoints
};