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98937d93 | 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 | //----------------------------------------------------------------- | |
17 | // Implementation of the base class for track residuals | |
18 | // | |
19 | // | |
20 | //----------------------------------------------------------------- | |
21 | ||
22 | #include "AliTrackResiduals.h" | |
23 | ||
24 | #include "AliAlignObj.h" | |
25 | #include "AliTrackPointArray.h" | |
26 | ||
27 | ClassImp(AliTrackResiduals) | |
28 | ||
29 | //_____________________________________________________________________________ | |
30 | AliTrackResiduals::AliTrackResiduals(): | |
31 | fN(0), | |
32 | fLast(0), | |
33 | fIsOwner(kTRUE) | |
34 | { | |
35 | // Default constructor | |
36 | fAlignObj = 0x0; | |
37 | fVolArray = fTrackArray = 0x0; | |
38 | } | |
39 | ||
40 | //_____________________________________________________________________________ | |
41 | AliTrackResiduals::AliTrackResiduals(Int_t ntracks, AliAlignObj *alignobj): | |
42 | fN(ntracks), | |
43 | fLast(0), | |
44 | fAlignObj(alignobj), | |
45 | fIsOwner(kTRUE) | |
46 | { | |
47 | // Constructor | |
48 | if (ntracks > 0) { | |
49 | fVolArray = new AliTrackPointArray*[ntracks]; | |
50 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
51 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
52 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
53 | } | |
54 | } | |
55 | ||
56 | //_____________________________________________________________________________ | |
57 | AliTrackResiduals::AliTrackResiduals(const AliTrackResiduals &res): | |
58 | TObject(res), | |
59 | fN(res.fN), | |
60 | fLast(res.fLast), | |
61 | fAlignObj(res.fAlignObj), | |
62 | fIsOwner(kTRUE) | |
63 | { | |
64 | // Copy constructor | |
65 | // By default the created copy owns the track point arrays | |
66 | if (fN > 0) { | |
67 | fVolArray = new AliTrackPointArray*[fN]; | |
68 | fTrackArray = new AliTrackPointArray*[fN]; | |
69 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
70 | { | |
71 | if (res.fVolArray[itrack]) | |
72 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
73 | else | |
74 | fVolArray = 0x0; | |
75 | if (res.fTrackArray[itrack]) | |
76 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
77 | else | |
78 | fTrackArray = 0x0; | |
79 | } | |
80 | } | |
81 | } | |
82 | ||
83 | //_____________________________________________________________________________ | |
84 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
85 | { | |
86 | // assignment operator | |
87 | // Does not copy the track point arrays | |
88 | if(this==&res) return *this; | |
89 | ((TObject *)this)->operator=(res); | |
90 | ||
91 | fN = res.fN; | |
92 | fLast = res.fLast; | |
93 | fIsOwner = kFALSE; | |
94 | fAlignObj = res.fAlignObj; | |
95 | ||
96 | fVolArray = res.fVolArray; | |
97 | fTrackArray = res.fTrackArray; | |
98 | ||
99 | return *this; | |
100 | } | |
101 | ||
102 | //_____________________________________________________________________________ | |
103 | AliTrackResiduals::~AliTrackResiduals() | |
104 | { | |
105 | // Destructor | |
106 | DeleteTrackPointArrays(); | |
107 | } | |
108 | ||
109 | //_____________________________________________________________________________ | |
110 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
111 | { | |
112 | // Set new size for the track point arrays. | |
113 | // Delete the old arrays and allocate the | |
114 | // new ones. | |
115 | DeleteTrackPointArrays(); | |
116 | ||
117 | fN = ntracks; | |
118 | fLast = 0; | |
119 | fIsOwner = kTRUE; | |
120 | ||
121 | if (ntracks > 0) { | |
122 | fVolArray = new AliTrackPointArray*[ntracks]; | |
123 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
124 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
125 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
126 | } | |
127 | } | |
128 | ||
129 | //_____________________________________________________________________________ | |
130 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
131 | { | |
132 | // Adds pair of track space point and | |
133 | // track extrapolation point arrays | |
134 | if (!fVolArray || !fTrackArray) return kFALSE; | |
135 | ||
136 | if (fLast >= fN) return kFALSE; | |
137 | ||
138 | fVolArray[fLast] = volarray; | |
139 | fTrackArray[fLast] = trackarray; | |
140 | fLast++; | |
141 | ||
142 | return kTRUE; | |
143 | } | |
144 | ||
145 | //_____________________________________________________________________________ | |
146 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
147 | { | |
148 | // Provide an access to a pair of track point arrays | |
149 | // with given index | |
150 | if (i >= fLast) { | |
151 | volarray = trackarray = 0x0; | |
152 | return kFALSE; | |
153 | } | |
154 | else { | |
155 | volarray = fVolArray[i]; | |
156 | trackarray = fTrackArray[i]; | |
157 | return kTRUE; | |
158 | } | |
159 | } | |
160 | ||
161 | //_____________________________________________________________________________ | |
162 | void AliTrackResiduals::DeleteTrackPointArrays() | |
163 | { | |
164 | // Deletes the track point arrays only in case | |
165 | // the object is their owner. | |
166 | // Called by the destructor and SetNTracks methods. | |
167 | if (fIsOwner) { | |
168 | for (Int_t itrack = 0; itrack < fLast; itrack++) | |
169 | { | |
170 | delete fVolArray[itrack]; | |
171 | delete fTrackArray[itrack]; | |
172 | } | |
173 | delete [] fVolArray; | |
174 | delete [] fTrackArray; | |
175 | } | |
176 | } |