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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), |
81 | fVolArray(0), | |
82 | fTrackArray(0), | |
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 | if (res.fAlignObj) |
91 | fAlignObj = (AliAlignObj *)res.fAlignObj->Clone(); | |
92 | ||
98937d93 | 93 | if (fN > 0) { |
94 | fVolArray = new AliTrackPointArray*[fN]; | |
95 | fTrackArray = new AliTrackPointArray*[fN]; | |
96 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
97 | { | |
98 | if (res.fVolArray[itrack]) | |
99 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
100 | else | |
101 | fVolArray = 0x0; | |
102 | if (res.fTrackArray[itrack]) | |
103 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
104 | else | |
105 | fTrackArray = 0x0; | |
106 | } | |
107 | } | |
29317b68 | 108 | for(Int_t i=0;i<6;i++) { |
109 | fBFixed[i]=res.fBFixed[i]; | |
110 | fFixed[i]=res.fFixed[i]; | |
111 | } | |
98937d93 | 112 | } |
113 | ||
114 | //_____________________________________________________________________________ | |
115 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
116 | { | |
117 | // assignment operator | |
118 | // Does not copy the track point arrays | |
119 | if(this==&res) return *this; | |
120 | ((TObject *)this)->operator=(res); | |
121 | ||
122 | fN = res.fN; | |
123 | fLast = res.fLast; | |
46ae650f | 124 | fChi2 = res.fChi2; |
125 | fNdf = res.fNdf; | |
cc345ce3 | 126 | fMinNPoints = res.fMinNPoints; |
98937d93 | 127 | fIsOwner = kFALSE; |
128 | fAlignObj = res.fAlignObj; | |
129 | ||
130 | fVolArray = res.fVolArray; | |
131 | fTrackArray = res.fTrackArray; | |
132 | ||
29317b68 | 133 | for(Int_t i=0;i<6;i++) { |
134 | fBFixed[i]=res.fBFixed[i]; | |
135 | fFixed[i]=res.fFixed[i]; | |
136 | } | |
137 | ||
98937d93 | 138 | return *this; |
139 | } | |
140 | ||
141 | //_____________________________________________________________________________ | |
142 | AliTrackResiduals::~AliTrackResiduals() | |
143 | { | |
144 | // Destructor | |
46ae650f | 145 | if (fAlignObj) delete fAlignObj; |
98937d93 | 146 | DeleteTrackPointArrays(); |
147 | } | |
148 | ||
149 | //_____________________________________________________________________________ | |
150 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
151 | { | |
152 | // Set new size for the track point arrays. | |
153 | // Delete the old arrays and allocate the | |
154 | // new ones. | |
155 | DeleteTrackPointArrays(); | |
156 | ||
157 | fN = ntracks; | |
158 | fLast = 0; | |
46ae650f | 159 | fChi2 = 0; |
160 | fNdf = 0; | |
98937d93 | 161 | fIsOwner = kTRUE; |
162 | ||
163 | if (ntracks > 0) { | |
164 | fVolArray = new AliTrackPointArray*[ntracks]; | |
165 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
166 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
167 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
168 | } | |
faf254af | 169 | else { |
170 | fVolArray = fTrackArray = 0x0; | |
171 | } | |
98937d93 | 172 | } |
173 | ||
174 | //_____________________________________________________________________________ | |
175 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
176 | { | |
177 | // Adds pair of track space point and | |
178 | // track extrapolation point arrays | |
179 | if (!fVolArray || !fTrackArray) return kFALSE; | |
180 | ||
cc345ce3 | 181 | if (!volarray || !trackarray) return kFALSE; |
182 | ||
183 | if (volarray->GetNPoints() < fMinNPoints) return kFALSE; | |
184 | ||
98937d93 | 185 | if (fLast >= fN) return kFALSE; |
186 | ||
187 | fVolArray[fLast] = volarray; | |
188 | fTrackArray[fLast] = trackarray; | |
189 | fLast++; | |
190 | ||
191 | return kTRUE; | |
192 | } | |
193 | ||
46ae650f | 194 | //_____________________________________________________________________________ |
cc345ce3 | 195 | void AliTrackResiduals::InitAlignObj() |
46ae650f | 196 | { |
cc345ce3 | 197 | // Create the alignment object |
198 | // to be updated | |
46ae650f | 199 | if (fAlignObj) delete fAlignObj; |
90dbf5fb | 200 | fAlignObj = new AliAlignObjParams; |
46ae650f | 201 | } |
202 | ||
203 | ||
98937d93 | 204 | //_____________________________________________________________________________ |
205 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
206 | { | |
207 | // Provide an access to a pair of track point arrays | |
208 | // with given index | |
209 | if (i >= fLast) { | |
210 | volarray = trackarray = 0x0; | |
211 | return kFALSE; | |
212 | } | |
213 | else { | |
214 | volarray = fVolArray[i]; | |
215 | trackarray = fTrackArray[i]; | |
216 | return kTRUE; | |
217 | } | |
218 | } | |
219 | ||
220 | //_____________________________________________________________________________ | |
221 | void AliTrackResiduals::DeleteTrackPointArrays() | |
222 | { | |
223 | // Deletes the track point arrays only in case | |
224 | // the object is their owner. | |
225 | // Called by the destructor and SetNTracks methods. | |
226 | if (fIsOwner) { | |
faf254af | 227 | if (fVolArray) { |
228 | for (Int_t itrack = 0; itrack < fN; itrack++) { | |
229 | if (fVolArray[itrack]) delete fVolArray[itrack]; | |
230 | } | |
231 | delete [] fVolArray; | |
232 | } | |
233 | if (fTrackArray) { | |
234 | for (Int_t itrack = 0; itrack < fN; itrack++) { | |
235 | if (fTrackArray[itrack]) delete fTrackArray[itrack]; | |
98937d93 | 236 | } |
faf254af | 237 | delete [] fTrackArray; |
238 | } | |
98937d93 | 239 | } |
240 | } | |
cc101660 | 241 | |
242 | //_____________________________________________________ | |
f12d42ce | 243 | Int_t AliTrackResiduals::GetNFreeParam(){ |
cc101660 | 244 | Int_t unfixedparam=6; |
245 | for(Int_t j=0;j<6;j++){ | |
246 | if(fBFixed[j]==kTRUE)unfixedparam--; | |
247 | } | |
248 | return unfixedparam; | |
249 | } |