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52c19022 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | /* $Id: AliTRDtrackletWord.cxx 28397 2008-09-02 09:33:00Z cblume $ */ | |
17 | ||
18 | //////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // A tracklet word as from FEE // | |
21 | // // | |
22 | // Author: J. Klein (Jochen.Klein@cern.ch) // | |
23 | // // | |
24 | //////////////////////////////////////////////////////////////////////////// | |
25 | ||
26 | #include "AliTRDtrackletWord.h" | |
85c32c86 | 27 | #include "AliTRDgeometry.h" |
52c19022 | 28 | #include "AliLog.h" |
29 | ||
30 | ClassImp(AliTRDtrackletWord) | |
31 | ||
85c32c86 | 32 | AliTRDgeometry* AliTRDtrackletWord::fgGeo = new AliTRDgeometry; |
33 | ||
52c19022 | 34 | AliTRDtrackletWord::AliTRDtrackletWord(UInt_t trackletWord) : |
35 | AliTRDtrackletBase(), | |
36 | fHCId(-1), | |
37 | fTrackletWord(trackletWord) | |
38 | { | |
39 | ||
40 | } | |
41 | ||
42 | AliTRDtrackletWord::AliTRDtrackletWord(UInt_t trackletWord, Int_t hcid) : | |
43 | AliTRDtrackletBase(), | |
44 | fHCId(hcid), | |
45 | fTrackletWord(trackletWord) | |
46 | { | |
47 | ||
48 | } | |
49 | ||
50 | AliTRDtrackletWord::AliTRDtrackletWord(const AliTRDtrackletWord &rhs) : | |
51 | AliTRDtrackletBase(rhs), | |
52 | fHCId(rhs.fHCId), | |
53 | fTrackletWord(rhs.fTrackletWord) | |
54 | { | |
55 | ||
56 | } | |
57 | ||
58 | AliTRDtrackletWord::~AliTRDtrackletWord() | |
59 | { | |
60 | ||
61 | } | |
62 | ||
63 | Int_t AliTRDtrackletWord::GetYbin() const { | |
64 | // returns (signed) value of Y | |
65 | if (fTrackletWord & 0x1000) { | |
66 | return -((~(fTrackletWord-1)) & 0x1fff); | |
67 | } | |
68 | else { | |
69 | return (fTrackletWord & 0x1fff); | |
70 | } | |
71 | } | |
72 | ||
73 | Int_t AliTRDtrackletWord::GetdY() const | |
74 | { | |
75 | // returns (signed) value of the deflection length | |
76 | if (fTrackletWord & (1 << 19)) { | |
77 | return -((~((fTrackletWord >> 13) - 1)) & 0x7f); | |
78 | } | |
79 | else { | |
80 | return ((fTrackletWord >> 13) & 0x7f); | |
81 | } | |
82 | } |