21-jun-2005 NvE Install scripts for gcc corrected to also include the rdmc stuff
[u/mrichter/AliRoot.git] / RALICE / AliHelix.h
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c5555bc0 1#ifndef ALIHELIX_H
2#define ALIHELIX_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6// $Id$
7
8#include "THelix.h"
9#include "TObjArray.h"
10
11#include "Ali3Vector.h"
12#include "AliTrack.h"
13#include "AliEvent.h"
14
15class AliHelix : public THelix
16{
17 public:
18 AliHelix(); // Default constructor
19 virtual ~AliHelix(); // Destructor
20 AliHelix(const AliHelix& h); // Copy constructor
21 void SetB(Ali3Vector& b); // Set the magnetic field vector in Tesla
22 Ali3Vector& GetB(); // Provide the magnetic field vector in Tesla
23 void SetTofmax(Float_t tof); // Set maximum time of flight
24 Float_t GetTofmax() const; // Provide the maximum time of flight
25 void Display(AliTrack* t,Double_t* range=0,Int_t iaxis=3,Double_t scale=-1);// Show curve for this track
26 void Display(AliEvent* e,Double_t* range=0,Int_t iaxis=3,Double_t scale=-1);// Show curves for this event
27 void Refresh(Int_t mode=0); // Refresh the view before drawing the next one
28 AliPosition* Extrapolate(AliTrack* t,Double_t* pars=0,Double_t scale=-1); // Extrapolate this track
29 void MakeCurve(AliTrack* t,Double_t* range=0,Int_t iaxis=3,Double_t scale=-1); // Helix curve for this track
30
31 protected:
32 Ali3Vector fB; // The magnetic field vector in Tesla
33 Float_t fTofmax; // The maximum time of flight
34 Int_t fRefresh; // Auto-refresh flag for drawings
35 TObjArray* fCurves; //! Temp. storage for the curves on the drawing
36 AliPosition* fExt; //! The extrapolation result
37
38 ClassDef(AliHelix,1) // Representation and extrapolation of AliTracks in a magnetic field.
39};
40#endif