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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" | |
90dbf5fb | 25 | #include "AliAlignObjParams.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 | |
29317b68 | 43 | for (Int_t ipar=0; ipar<6; ipar++){ |
44 | fBFixed[ipar] = kFALSE; | |
45 | fFixed[ipar] = 0.; | |
46 | } | |
98937d93 | 47 | } |
48 | ||
49 | //_____________________________________________________________________________ | |
46ae650f | 50 | AliTrackResiduals::AliTrackResiduals(Int_t ntracks): |
98937d93 | 51 | fN(ntracks), |
52 | fLast(0), | |
46ae650f | 53 | fAlignObj(0), |
75e3794b | 54 | fVolArray(0), |
55 | fTrackArray(0), | |
46ae650f | 56 | fChi2(0), |
57 | fNdf(0), | |
cc345ce3 | 58 | fMinNPoints(0), |
98937d93 | 59 | fIsOwner(kTRUE) |
60 | { | |
61 | // Constructor | |
62 | if (ntracks > 0) { | |
63 | fVolArray = new AliTrackPointArray*[ntracks]; | |
64 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
65 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
66 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
67 | } | |
faf254af | 68 | |
29317b68 | 69 | for (Int_t ipar=0; ipar<6; ipar++){ |
70 | fBFixed[ipar] = kFALSE; | |
71 | fFixed[ipar] = 0.; | |
72 | } | |
98937d93 | 73 | } |
74 | ||
75 | //_____________________________________________________________________________ | |
76 | AliTrackResiduals::AliTrackResiduals(const AliTrackResiduals &res): | |
77 | TObject(res), | |
78 | fN(res.fN), | |
79 | fLast(res.fLast), | |
75e3794b | 80 | fAlignObj(0), |
4c234df8 | 81 | fVolArray(new AliTrackPointArray*[fN]), |
82 | fTrackArray(new AliTrackPointArray*[fN]), | |
46ae650f | 83 | fChi2(res.fChi2), |
84 | fNdf(res.fNdf), | |
cc345ce3 | 85 | fMinNPoints(res.fMinNPoints), |
98937d93 | 86 | fIsOwner(kTRUE) |
87 | { | |
88 | // Copy constructor | |
89 | // By default the created copy owns the track point arrays | |
46ae650f | 90 | |
4c234df8 | 91 | if(res.fAlignObj) fAlignObj = (AliAlignObj *)res.fAlignObj->Clone(); |
92 | ||
93 | memset(fVolArray,0,sizeof(AliTrackPointArray*)*fN); | |
94 | memset(fTrackArray,0,sizeof(AliTrackPointArray*)*fN); | |
95 | ||
96 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
98937d93 | 97 | { |
98 | if (res.fVolArray[itrack]) | |
99 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
98937d93 | 100 | if (res.fTrackArray[itrack]) |
101 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
98937d93 | 102 | } |
4c234df8 | 103 | |
98937d93 | 104 | } |
105 | ||
106 | //_____________________________________________________________________________ | |
107 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
108 | { | |
109 | // assignment operator | |
110 | // Does not copy the track point arrays | |
17ef8526 | 111 | if(this!=&res) { |
112 | TObject::operator=(res); | |
113 | ||
114 | fN = res.fN; | |
115 | fLast = res.fLast; | |
116 | fAlignObj = res.fAlignObj; | |
117 | fVolArray = res.fVolArray; | |
118 | fTrackArray = res.fTrackArray; | |
119 | fChi2 = res.fChi2; | |
120 | fNdf = res.fNdf; | |
121 | fMinNPoints = res.fMinNPoints; | |
122 | fIsOwner = kFALSE; | |
123 | ||
124 | memcpy(fBFixed,res.fBFixed,sizeof(Float_t)*6); | |
125 | memcpy(fFixed,res.fFixed,sizeof(Float_t)*6); | |
29317b68 | 126 | } |
98937d93 | 127 | return *this; |
128 | } | |
129 | ||
130 | //_____________________________________________________________________________ | |
131 | AliTrackResiduals::~AliTrackResiduals() | |
132 | { | |
133 | // Destructor | |
46ae650f | 134 | if (fAlignObj) delete fAlignObj; |
98937d93 | 135 | DeleteTrackPointArrays(); |
136 | } | |
137 | ||
138 | //_____________________________________________________________________________ | |
139 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
140 | { | |
141 | // Set new size for the track point arrays. | |
142 | // Delete the old arrays and allocate the | |
143 | // new ones. | |
144 | DeleteTrackPointArrays(); | |
145 | ||
146 | fN = ntracks; | |
147 | fLast = 0; | |
46ae650f | 148 | fChi2 = 0; |
149 | fNdf = 0; | |
98937d93 | 150 | fIsOwner = kTRUE; |
151 | ||
152 | if (ntracks > 0) { | |
153 | fVolArray = new AliTrackPointArray*[ntracks]; | |
154 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
155 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
156 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
157 | } | |
faf254af | 158 | else { |
159 | fVolArray = fTrackArray = 0x0; | |
160 | } | |
98937d93 | 161 | } |
162 | ||
163 | //_____________________________________________________________________________ | |
164 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
165 | { | |
166 | // Adds pair of track space point and | |
167 | // track extrapolation point arrays | |
168 | if (!fVolArray || !fTrackArray) return kFALSE; | |
169 | ||
cc345ce3 | 170 | if (!volarray || !trackarray) return kFALSE; |
171 | ||
172 | if (volarray->GetNPoints() < fMinNPoints) return kFALSE; | |
173 | ||
98937d93 | 174 | if (fLast >= fN) return kFALSE; |
175 | ||
176 | fVolArray[fLast] = volarray; | |
177 | fTrackArray[fLast] = trackarray; | |
178 | fLast++; | |
179 | ||
180 | return kTRUE; | |
181 | } | |
182 | ||
46ae650f | 183 | //_____________________________________________________________________________ |
cc345ce3 | 184 | void AliTrackResiduals::InitAlignObj() |
46ae650f | 185 | { |
cc345ce3 | 186 | // Create the alignment object |
187 | // to be updated | |
46ae650f | 188 | if (fAlignObj) delete fAlignObj; |
90dbf5fb | 189 | fAlignObj = new AliAlignObjParams; |
46ae650f | 190 | } |
191 | ||
192 | ||
98937d93 | 193 | //_____________________________________________________________________________ |
194 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
195 | { | |
196 | // Provide an access to a pair of track point arrays | |
197 | // with given index | |
198 | if (i >= fLast) { | |
199 | volarray = trackarray = 0x0; | |
200 | return kFALSE; | |
201 | } | |
202 | else { | |
203 | volarray = fVolArray[i]; | |
204 | trackarray = fTrackArray[i]; | |
205 | return kTRUE; | |
206 | } | |
207 | } | |
208 | ||
209 | //_____________________________________________________________________________ | |
210 | void AliTrackResiduals::DeleteTrackPointArrays() | |
211 | { | |
212 | // Deletes the track point arrays only in case | |
213 | // the object is their owner. | |
214 | // Called by the destructor and SetNTracks methods. | |
215 | if (fIsOwner) { | |
faf254af | 216 | if (fVolArray) { |
217 | for (Int_t itrack = 0; itrack < fN; itrack++) { | |
218 | if (fVolArray[itrack]) delete fVolArray[itrack]; | |
219 | } | |
220 | delete [] fVolArray; | |
221 | } | |
222 | if (fTrackArray) { | |
223 | for (Int_t itrack = 0; itrack < fN; itrack++) { | |
224 | if (fTrackArray[itrack]) delete fTrackArray[itrack]; | |
98937d93 | 225 | } |
faf254af | 226 | delete [] fTrackArray; |
227 | } | |
98937d93 | 228 | } |
229 | } | |
cc101660 | 230 | |
231 | //_____________________________________________________ | |
f12d42ce | 232 | Int_t AliTrackResiduals::GetNFreeParam(){ |
cc101660 | 233 | Int_t unfixedparam=6; |
234 | for(Int_t j=0;j<6;j++){ | |
235 | if(fBFixed[j]==kTRUE)unfixedparam--; | |
236 | } | |
237 | return unfixedparam; | |
238 | } |