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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), | |
46ae650f | 33 | fAlignObj(0), |
34 | fVolArray(0), | |
35 | fTrackArray(0), | |
36 | fChi2(0), | |
37 | fNdf(0), | |
98937d93 | 38 | fIsOwner(kTRUE) |
39 | { | |
40 | // Default constructor | |
98937d93 | 41 | } |
42 | ||
43 | //_____________________________________________________________________________ | |
46ae650f | 44 | AliTrackResiduals::AliTrackResiduals(Int_t ntracks): |
98937d93 | 45 | fN(ntracks), |
46 | fLast(0), | |
46ae650f | 47 | fAlignObj(0), |
48 | fChi2(0), | |
49 | fNdf(0), | |
98937d93 | 50 | fIsOwner(kTRUE) |
51 | { | |
52 | // Constructor | |
53 | if (ntracks > 0) { | |
54 | fVolArray = new AliTrackPointArray*[ntracks]; | |
55 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
56 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
57 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
58 | } | |
59 | } | |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliTrackResiduals::AliTrackResiduals(const AliTrackResiduals &res): | |
63 | TObject(res), | |
64 | fN(res.fN), | |
65 | fLast(res.fLast), | |
46ae650f | 66 | fChi2(res.fChi2), |
67 | fNdf(res.fNdf), | |
98937d93 | 68 | fIsOwner(kTRUE) |
69 | { | |
70 | // Copy constructor | |
71 | // By default the created copy owns the track point arrays | |
46ae650f | 72 | if (res.fAlignObj) |
73 | fAlignObj = (AliAlignObj *)res.fAlignObj->Clone(); | |
74 | ||
98937d93 | 75 | if (fN > 0) { |
76 | fVolArray = new AliTrackPointArray*[fN]; | |
77 | fTrackArray = new AliTrackPointArray*[fN]; | |
78 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
79 | { | |
80 | if (res.fVolArray[itrack]) | |
81 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
82 | else | |
83 | fVolArray = 0x0; | |
84 | if (res.fTrackArray[itrack]) | |
85 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
86 | else | |
87 | fTrackArray = 0x0; | |
88 | } | |
89 | } | |
90 | } | |
91 | ||
92 | //_____________________________________________________________________________ | |
93 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
94 | { | |
95 | // assignment operator | |
96 | // Does not copy the track point arrays | |
97 | if(this==&res) return *this; | |
98 | ((TObject *)this)->operator=(res); | |
99 | ||
100 | fN = res.fN; | |
101 | fLast = res.fLast; | |
46ae650f | 102 | fChi2 = res.fChi2; |
103 | fNdf = res.fNdf; | |
98937d93 | 104 | fIsOwner = kFALSE; |
105 | fAlignObj = res.fAlignObj; | |
106 | ||
107 | fVolArray = res.fVolArray; | |
108 | fTrackArray = res.fTrackArray; | |
109 | ||
110 | return *this; | |
111 | } | |
112 | ||
113 | //_____________________________________________________________________________ | |
114 | AliTrackResiduals::~AliTrackResiduals() | |
115 | { | |
116 | // Destructor | |
46ae650f | 117 | if (fAlignObj) delete fAlignObj; |
98937d93 | 118 | DeleteTrackPointArrays(); |
119 | } | |
120 | ||
121 | //_____________________________________________________________________________ | |
122 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
123 | { | |
124 | // Set new size for the track point arrays. | |
125 | // Delete the old arrays and allocate the | |
126 | // new ones. | |
127 | DeleteTrackPointArrays(); | |
128 | ||
129 | fN = ntracks; | |
130 | fLast = 0; | |
46ae650f | 131 | fChi2 = 0; |
132 | fNdf = 0; | |
98937d93 | 133 | fIsOwner = kTRUE; |
134 | ||
135 | if (ntracks > 0) { | |
136 | fVolArray = new AliTrackPointArray*[ntracks]; | |
137 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
138 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
139 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
140 | } | |
141 | } | |
142 | ||
143 | //_____________________________________________________________________________ | |
144 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
145 | { | |
146 | // Adds pair of track space point and | |
147 | // track extrapolation point arrays | |
148 | if (!fVolArray || !fTrackArray) return kFALSE; | |
149 | ||
150 | if (fLast >= fN) return kFALSE; | |
151 | ||
152 | fVolArray[fLast] = volarray; | |
153 | fTrackArray[fLast] = trackarray; | |
154 | fLast++; | |
155 | ||
156 | return kTRUE; | |
157 | } | |
158 | ||
46ae650f | 159 | //_____________________________________________________________________________ |
160 | void AliTrackResiduals::SetAlignObj(AliAlignObj *alignobj) | |
161 | { | |
162 | // Copy the alignment object to be updated in fAlignObj | |
163 | // and flush its parameters | |
164 | if (fAlignObj) delete fAlignObj; | |
165 | fAlignObj = (AliAlignObj *)alignobj->Clone(); | |
166 | fAlignObj->SetPars(0,0,0,0,0,0); | |
167 | } | |
168 | ||
169 | ||
98937d93 | 170 | //_____________________________________________________________________________ |
171 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
172 | { | |
173 | // Provide an access to a pair of track point arrays | |
174 | // with given index | |
175 | if (i >= fLast) { | |
176 | volarray = trackarray = 0x0; | |
177 | return kFALSE; | |
178 | } | |
179 | else { | |
180 | volarray = fVolArray[i]; | |
181 | trackarray = fTrackArray[i]; | |
182 | return kTRUE; | |
183 | } | |
184 | } | |
185 | ||
186 | //_____________________________________________________________________________ | |
187 | void AliTrackResiduals::DeleteTrackPointArrays() | |
188 | { | |
189 | // Deletes the track point arrays only in case | |
190 | // the object is their owner. | |
191 | // Called by the destructor and SetNTracks methods. | |
192 | if (fIsOwner) { | |
193 | for (Int_t itrack = 0; itrack < fLast; itrack++) | |
194 | { | |
195 | delete fVolArray[itrack]; | |
196 | delete fTrackArray[itrack]; | |
197 | } | |
198 | delete [] fVolArray; | |
199 | delete [] fTrackArray; | |
200 | } | |
201 | } |