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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" | |
cc345ce3 | 25 | #include "AliAlignObjAngles.h" |
98937d93 | 26 | #include "AliTrackPointArray.h" |
27 | ||
28 | ClassImp(AliTrackResiduals) | |
29 | ||
30 | //_____________________________________________________________________________ | |
31 | AliTrackResiduals::AliTrackResiduals(): | |
32 | fN(0), | |
33 | fLast(0), | |
46ae650f | 34 | fAlignObj(0), |
35 | fVolArray(0), | |
36 | fTrackArray(0), | |
37 | fChi2(0), | |
38 | fNdf(0), | |
cc345ce3 | 39 | fMinNPoints(0), |
98937d93 | 40 | fIsOwner(kTRUE) |
41 | { | |
42 | // Default constructor | |
98937d93 | 43 | } |
44 | ||
45 | //_____________________________________________________________________________ | |
46ae650f | 46 | AliTrackResiduals::AliTrackResiduals(Int_t ntracks): |
98937d93 | 47 | fN(ntracks), |
48 | fLast(0), | |
46ae650f | 49 | fAlignObj(0), |
50 | fChi2(0), | |
51 | fNdf(0), | |
cc345ce3 | 52 | fMinNPoints(0), |
98937d93 | 53 | fIsOwner(kTRUE) |
54 | { | |
55 | // Constructor | |
56 | if (ntracks > 0) { | |
57 | fVolArray = new AliTrackPointArray*[ntracks]; | |
58 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
59 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
60 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
61 | } | |
62 | } | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | AliTrackResiduals::AliTrackResiduals(const AliTrackResiduals &res): | |
66 | TObject(res), | |
67 | fN(res.fN), | |
68 | fLast(res.fLast), | |
46ae650f | 69 | fChi2(res.fChi2), |
70 | fNdf(res.fNdf), | |
cc345ce3 | 71 | fMinNPoints(res.fMinNPoints), |
98937d93 | 72 | fIsOwner(kTRUE) |
73 | { | |
74 | // Copy constructor | |
75 | // By default the created copy owns the track point arrays | |
46ae650f | 76 | if (res.fAlignObj) |
77 | fAlignObj = (AliAlignObj *)res.fAlignObj->Clone(); | |
78 | ||
98937d93 | 79 | if (fN > 0) { |
80 | fVolArray = new AliTrackPointArray*[fN]; | |
81 | fTrackArray = new AliTrackPointArray*[fN]; | |
82 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
83 | { | |
84 | if (res.fVolArray[itrack]) | |
85 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
86 | else | |
87 | fVolArray = 0x0; | |
88 | if (res.fTrackArray[itrack]) | |
89 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
90 | else | |
91 | fTrackArray = 0x0; | |
92 | } | |
93 | } | |
94 | } | |
95 | ||
96 | //_____________________________________________________________________________ | |
97 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
98 | { | |
99 | // assignment operator | |
100 | // Does not copy the track point arrays | |
101 | if(this==&res) return *this; | |
102 | ((TObject *)this)->operator=(res); | |
103 | ||
104 | fN = res.fN; | |
105 | fLast = res.fLast; | |
46ae650f | 106 | fChi2 = res.fChi2; |
107 | fNdf = res.fNdf; | |
cc345ce3 | 108 | fMinNPoints = res.fMinNPoints; |
98937d93 | 109 | fIsOwner = kFALSE; |
110 | fAlignObj = res.fAlignObj; | |
111 | ||
112 | fVolArray = res.fVolArray; | |
113 | fTrackArray = res.fTrackArray; | |
114 | ||
115 | return *this; | |
116 | } | |
117 | ||
118 | //_____________________________________________________________________________ | |
119 | AliTrackResiduals::~AliTrackResiduals() | |
120 | { | |
121 | // Destructor | |
46ae650f | 122 | if (fAlignObj) delete fAlignObj; |
98937d93 | 123 | DeleteTrackPointArrays(); |
124 | } | |
125 | ||
126 | //_____________________________________________________________________________ | |
127 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
128 | { | |
129 | // Set new size for the track point arrays. | |
130 | // Delete the old arrays and allocate the | |
131 | // new ones. | |
132 | DeleteTrackPointArrays(); | |
133 | ||
134 | fN = ntracks; | |
135 | fLast = 0; | |
46ae650f | 136 | fChi2 = 0; |
137 | fNdf = 0; | |
98937d93 | 138 | fIsOwner = kTRUE; |
139 | ||
140 | if (ntracks > 0) { | |
141 | fVolArray = new AliTrackPointArray*[ntracks]; | |
142 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
143 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
144 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
145 | } | |
146 | } | |
147 | ||
148 | //_____________________________________________________________________________ | |
149 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
150 | { | |
151 | // Adds pair of track space point and | |
152 | // track extrapolation point arrays | |
153 | if (!fVolArray || !fTrackArray) return kFALSE; | |
154 | ||
cc345ce3 | 155 | if (!volarray || !trackarray) return kFALSE; |
156 | ||
157 | if (volarray->GetNPoints() < fMinNPoints) return kFALSE; | |
158 | ||
98937d93 | 159 | if (fLast >= fN) return kFALSE; |
160 | ||
161 | fVolArray[fLast] = volarray; | |
162 | fTrackArray[fLast] = trackarray; | |
163 | fLast++; | |
164 | ||
165 | return kTRUE; | |
166 | } | |
167 | ||
46ae650f | 168 | //_____________________________________________________________________________ |
cc345ce3 | 169 | void AliTrackResiduals::InitAlignObj() |
46ae650f | 170 | { |
cc345ce3 | 171 | // Create the alignment object |
172 | // to be updated | |
46ae650f | 173 | if (fAlignObj) delete fAlignObj; |
cc345ce3 | 174 | fAlignObj = new AliAlignObjAngles; |
46ae650f | 175 | } |
176 | ||
177 | ||
98937d93 | 178 | //_____________________________________________________________________________ |
179 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
180 | { | |
181 | // Provide an access to a pair of track point arrays | |
182 | // with given index | |
183 | if (i >= fLast) { | |
184 | volarray = trackarray = 0x0; | |
185 | return kFALSE; | |
186 | } | |
187 | else { | |
188 | volarray = fVolArray[i]; | |
189 | trackarray = fTrackArray[i]; | |
190 | return kTRUE; | |
191 | } | |
192 | } | |
193 | ||
194 | //_____________________________________________________________________________ | |
195 | void AliTrackResiduals::DeleteTrackPointArrays() | |
196 | { | |
197 | // Deletes the track point arrays only in case | |
198 | // the object is their owner. | |
199 | // Called by the destructor and SetNTracks methods. | |
200 | if (fIsOwner) { | |
201 | for (Int_t itrack = 0; itrack < fLast; itrack++) | |
202 | { | |
203 | delete fVolArray[itrack]; | |
204 | delete fTrackArray[itrack]; | |
205 | } | |
206 | delete [] fVolArray; | |
207 | delete [] fTrackArray; | |
208 | } | |
209 | } |