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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 | /* $Id$ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // Class for PMD reconstructed space points | |
20 | // usually coming from the clusterisation algorithms | |
21 | // run on the digits | |
22 | // | |
23 | ////////////////////////////////////////////////////////////////////////////// | |
24 | ||
25 | // --- ROOT system --- | |
26 | ||
27 | #include "TObjArray.h" | |
28 | ||
29 | // --- Standard library --- | |
30 | ||
31 | // --- AliRoot header files --- | |
32 | ||
33 | #include "AliPMDRecPoint.h" | |
34 | #include "AliGeometry.h" | |
35 | #include "AliDigitNew.h" | |
36 | ||
37 | ClassImp(AliPMDRecPoint) | |
38 | ||
39 | ||
40 | //____________________________________________________________________________ | |
41 | //____________________________________________________________________________ | |
42 | void AliPMDRecPoint::AddDigit(AliDigitNew & digit) | |
43 | { | |
44 | // adds a digit to the digits list | |
45 | // and accumulates the total amplitude and the multiplicity | |
46 | ||
47 | ||
48 | if ( fMulDigit >= fMaxDigit ) { // increase the size of the list | |
49 | int * tempo = new ( int[fMaxDigit*=2] ) ; | |
50 | ||
51 | Int_t index ; | |
52 | ||
53 | for ( index = 0 ; index < fMulDigit ; index++ ) | |
54 | tempo[index] = fDigitsList[index] ; | |
55 | ||
56 | delete fDigitsList ; | |
57 | fDigitsList = tempo ; | |
58 | } | |
59 | ||
60 | fDigitsList[fMulDigit] = digit.GetIndexInList() ; | |
61 | fMulDigit++ ; | |
62 | fAmp += digit.GetAmp() ; | |
63 | } | |
64 | ||
65 | //____________________________________________________________________________ | |
66 | void AliPMDRecPoint::Copy(AliPMDRecPoint& recp) const | |
67 | { | |
68 | // | |
69 | // Copy *this onto pts | |
70 | // | |
71 | // Copy all first | |
72 | if(this != &recp) { | |
73 | ((TObject*) this)->Copy((TObject&)recp); | |
74 | recp.fAmp = fAmp; | |
75 | recp.fGeom = fGeom; | |
76 | recp.fIndexInList = fIndexInList; | |
77 | recp.fLocPos = fLocPos; | |
78 | recp.fLocPosM = new TMatrix(*fLocPosM); | |
79 | recp.fMaxDigit = fMaxDigit; | |
80 | recp.fMulDigit = fMulDigit; | |
81 | recp.fMaxTrack = fMaxTrack; | |
82 | recp.fMulTrack = fMulTrack; | |
83 | ||
84 | // Duplicate pointed objects | |
85 | recp.fDigitsList = new Int_t[fMulDigit]; | |
86 | memcpy(recp.fDigitsList,fDigitsList,fMulDigit*sizeof(Int_t)); | |
87 | recp.fTracksList = new Int_t[fMulTrack]; | |
88 | memcpy(recp.fTracksList,fTracksList,fMulTrack*sizeof(Int_t)); | |
89 | } | |
90 | } | |
91 | ||
92 | //____________________________________________________________________________ | |
93 | void AliPMDRecPoint::GetCovarianceMatrix(TMatrix & mat) | |
94 | { | |
95 | // returns the covariant matrix for the local position | |
96 | ||
97 | mat = *fLocPosM ; | |
98 | ||
99 | } | |
100 | ||
101 | //____________________________________________________________________________ | |
102 | void AliPMDRecPoint::GetLocalPosition(TVector3 & pos) const | |
103 | { | |
104 | // returns the position of the cluster in the local reference system of the sub-detector | |
105 | ||
106 | pos = fLocPos; | |
107 | ||
108 | ||
109 | } | |
110 | ||
111 | //____________________________________________________________________________ | |
112 | AliPMDRecPoint & AliPMDRecPoint::operator= (const AliPMDRecPoint &recp) | |
113 | { | |
114 | recp.Copy(*this); | |
115 | return (*this); | |
116 | } | |
117 | ||
118 | ||
119 | //____________________________________________________________________________ | |
120 | void AliPMDRecPoint::GetGlobalPosition(TVector3 & gpos, TMatrix & gmat) const | |
121 | { | |
122 | // returns the position of the cluster in the global reference system of ALICE | |
123 | // and the uncertainty on this position | |
124 | ||
125 | ||
126 | fGeom->GetGlobal(this, gpos, gmat) ; | |
127 | ||
128 | } | |
129 | ||
130 | ||
131 | ||
132 | ||
133 | ||
134 | ||
135 | ||
136 | ||
137 |