X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliTrackFitterRieman.h;h=e7ab0efec33b364ef1503806b3cdd139f6ece77f;hb=f7ce7a372c80bb893d8bab14717fdf0293b98156;hp=b66a7007a5fa729c3b19e79231cd5d4316e217c2;hpb=cc345ce3ffb30ad8ccf49530109e2330605cfb88;p=u%2Fmrichter%2FAliRoot.git

diff --git a/STEER/AliTrackFitterRieman.h b/STEER/AliTrackFitterRieman.h
index b66a7007a5f..e7ab0efec33 100644
--- a/STEER/AliTrackFitterRieman.h
+++ b/STEER/AliTrackFitterRieman.h
@@ -1,9 +1,23 @@
 #ifndef ALITRACKFITTERRIEMAN_H
 #define ALITRACKFITTERRIEMAN_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice                               */
 
-#include "TMatrixDSym.h"
+/* $Id$ */
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// Class to the track points on the Riemann sphere. Inputs are
+// the set of id's (volids) of the volumes in which residuals are
+// calculated to construct a chi2 function to be minimized during 
+// the alignment procedures
+//
+//////////////////////////////////////////////////////////////////////////////
 
 #include "AliTrackFitter.h"
+#include "AliRieman.h"  
+class TTreeSRedirector;
+class AliRieman;
 
 class AliTrackFitterRieman : public AliTrackFitter{
  public:
@@ -14,39 +28,54 @@ class AliTrackFitterRieman : public AliTrackFitter{
   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(); 
-  Double_t GetYat(Double_t x);
+  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);
+  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;
-  Float_t      *fY;
-  Float_t      *fZ;
-  Float_t      *fSy;
-  Float_t      *fSz;
-
+  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
 
 };