Making online tracklets usable in offline reconstruction
[u/mrichter/AliRoot.git] / TRD / AliTRDtrackletMCM.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
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4  * Author: The ALICE Off-line Project.                                    *
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15
16 /* $Id: AliTRDtrackletMCM.cxx 28397 2008-09-02 09:33:00Z cblume $ */
17
18 ////////////////////////////////////////////////////////////////////////////
19 //                                                                        //
20 //  MCM tracklet                                                          //
21 //                                                                        //
22 //  Author: J. Klein (Jochen.Klein@cern.ch)                               //
23 //                                                                        //
24 ////////////////////////////////////////////////////////////////////////////
25
26 #include "AliTRDtrackletMCM.h"
27 #include "AliLog.h"
28
29 ClassImp(AliTRDtrackletMCM)
30
31 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord) :
32   AliTRDtrackletBase(),
33   fGeo(0x0),
34   fHCId(-1),
35   fTrackletWord(trackletWord), 
36   fMCM(-1), 
37   fROB(-1), 
38   fLabel(-1)
39
40     fGeo = new AliTRDgeometry();
41 }
42
43 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord, Int_t hcid) :
44   AliTRDtrackletBase(),
45   fGeo(0x0),
46   fHCId(hcid),
47   fTrackletWord(trackletWord), 
48   fMCM(-1),
49   fROB(-1),
50   fLabel(-1)
51
52     fGeo = new AliTRDgeometry();
53 }
54
55 AliTRDtrackletMCM::AliTRDtrackletMCM(UInt_t trackletWord, Int_t hcid, Int_t rob, Int_t mcm) :
56   AliTRDtrackletBase(),
57   fGeo(0x0),
58   fHCId(hcid),
59   fTrackletWord(trackletWord), 
60   fMCM(mcm),
61   fROB(rob),
62   fLabel(-1)
63
64     fGeo = new AliTRDgeometry();
65 }
66
67 AliTRDtrackletMCM::AliTRDtrackletMCM(const AliTRDtrackletMCM &rhs) :
68   AliTRDtrackletBase(rhs),
69   fGeo(0x0),
70   fHCId(rhs.fHCId),
71   fTrackletWord(rhs.fTrackletWord),
72   fMCM(rhs.fMCM),
73   fROB(rhs.fROB),
74   fLabel(rhs.fLabel)
75 {
76     fGeo = new AliTRDgeometry();
77 }
78
79 AliTRDtrackletMCM::~AliTRDtrackletMCM() 
80 {
81     delete fGeo;
82 }
83
84 Int_t AliTRDtrackletMCM::GetYbin() const {
85   // returns (signed) value of Y
86   if (fTrackletWord & 0x1000) {
87     return -((~(fTrackletWord-1)) & 0x1fff);
88   }
89   else {
90     return (fTrackletWord & 0x1fff);
91   }
92 }
93
94 Int_t AliTRDtrackletMCM::GetdY() const 
95 {
96   // returns (signed) value of the deflection length
97   if (fTrackletWord & (1 << 19)) {
98     return -((~((fTrackletWord >> 13) - 1)) & 0x7f);
99   }
100   else {
101     return ((fTrackletWord >> 13) & 0x7f);
102   }
103 }