TRD/AliTRDltuTracklet.h

   1 #ifndef ALITRDLTUTRACKLET_H
   2 #define ALITRDLTUTRACKLET_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 ///////////////////////////////////////////////////////////////////////////////
   9 //                                                                           //
  10 //  TRD LTU tracklet                                                         //
  11 //                                                                           //
  12 ///////////////////////////////////////////////////////////////////////////////
  13
  14 #include <TObject.h>
  15
  16 class AliTRDltuTracklet : public TObject {
  17
  18  public:
  19
  20   enum { kNplan = 6 };
  21
  22   AliTRDltuTracklet();
  23   AliTRDltuTracklet(Int_t det, Int_t row, Float_t rowz, Float_t slope, Float_t offset
  24                    ,Float_t time, Int_t ncl, Int_t label, Float_t q);
  25   virtual         ~AliTRDltuTracklet();
  26
  27           Bool_t   IsSortable() const { return kTRUE; }
  28   virtual Int_t    Compare(const TObject *o) const;
  29
  30           Int_t    GetDetector() const             { return fDetector;                };
  31           Int_t    GetPlane(Int_t det) const       { return ((Int_t) (det % kNplan)); };
  32           Int_t    GetRow() const                  { return fRow;                     };
  33           Int_t    GetNclusters() const            { return fNclusters;               };
  34           Float_t  GetSlope() const                { return fSlope;                   };
  35           Float_t  GetOffset() const               { return fY;                       };
  36           Float_t  GetTime0() const                { return fX;                       };
  37           Float_t  GetRowz() const                 { return fRowz;                    };
  38           Float_t  GetYproj(Float_t xpl) const;
  39           Float_t  GetZproj(Float_t xpl) const;
  40           Int_t    GetLabel() const                { return fLabel;                   };
  41           Float_t  GetPt(Float_t field) const;
  42           Float_t  GetQ() const                    { return fQ;                       };
  43
  44  protected:
  45
  46           Float_t  fX;                              // Distance vertex to entrance window
  47           Float_t  fY;                              // Tracklet offset at entrance window
  48           Float_t  fSlope;                          // Tracklet slope
  49           Float_t  fRowz;                           // z coordinate of the pad row center
  50           Int_t    fDetector;                       // Detector number
  51           Int_t    fRow;                            // Pad row number
  52           Int_t    fNclusters;                      // Number of clusters
  53           Int_t    fLabel;                          // MC track label
  54           Float_t  fQ;                              // Charge sum divided by number of clusters
  55
  56   ClassDef(AliTRDltuTracklet,2)                     // LTU tracklet
  57
  58 };
  59
  60 #endif