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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 "AliAlignObjParams.h" | |
26 | #include "AliTrackPointArray.h" | |
27 | ||
28 | ClassImp(AliTrackResiduals) | |
29 | ||
30 | //_____________________________________________________________________________ | |
31 | AliTrackResiduals::AliTrackResiduals(): | |
32 | fN(0), | |
33 | fLast(0), | |
34 | fAlignObj(0), | |
35 | fVolArray(0), | |
36 | fTrackArray(0), | |
37 | fChi2(0), | |
38 | fNdf(0), | |
39 | fMinNPoints(0), | |
40 | fIsOwner(kTRUE) | |
41 | { | |
42 | // Default constructor | |
43 | for (Int_t ipar=0; ipar<6; ipar++){ | |
44 | fBFixed[ipar] = kFALSE; | |
45 | fFixed[ipar] = 0.; | |
46 | } | |
47 | } | |
48 | ||
49 | //_____________________________________________________________________________ | |
50 | AliTrackResiduals::AliTrackResiduals(Int_t ntracks): | |
51 | fN(ntracks), | |
52 | fLast(0), | |
53 | fAlignObj(0), | |
54 | fVolArray(0), | |
55 | fTrackArray(0), | |
56 | fChi2(0), | |
57 | fNdf(0), | |
58 | fMinNPoints(0), | |
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 | } | |
68 | ||
69 | for (Int_t ipar=0; ipar<6; ipar++){ | |
70 | fBFixed[ipar] = kFALSE; | |
71 | fFixed[ipar] = 0.; | |
72 | } | |
73 | } | |
74 | ||
75 | //_____________________________________________________________________________ | |
76 | AliTrackResiduals::AliTrackResiduals(const AliTrackResiduals &res): | |
77 | TObject(res), | |
78 | fN(res.fN), | |
79 | fLast(res.fLast), | |
80 | fAlignObj(0), | |
81 | fVolArray(new AliTrackPointArray*[fN]), | |
82 | fTrackArray(new AliTrackPointArray*[fN]), | |
83 | fChi2(res.fChi2), | |
84 | fNdf(res.fNdf), | |
85 | fMinNPoints(res.fMinNPoints), | |
86 | fIsOwner(kTRUE) | |
87 | { | |
88 | // Copy constructor | |
89 | // By default the created copy owns the track point arrays | |
90 | ||
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++) { | |
97 | if (res.fVolArray[itrack]) | |
98 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
99 | if (res.fTrackArray[itrack]) | |
100 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
101 | } | |
102 | ||
103 | memcpy(fBFixed,res.fBFixed,sizeof(Bool_t)*6); | |
104 | memcpy(fFixed,res.fFixed,sizeof(Float_t)*6); | |
105 | ||
106 | } | |
107 | ||
108 | //_____________________________________________________________________________ | |
109 | AliTrackResiduals &AliTrackResiduals::operator =(const AliTrackResiduals& res) | |
110 | { | |
111 | // assignment operator | |
112 | // Does not copy the track point arrays | |
113 | if(this!=&res) { | |
114 | TObject::operator=(res); | |
115 | ||
116 | fLast = res.fLast; | |
117 | delete fAlignObj; | |
118 | if(res.fAlignObj) | |
119 | fAlignObj = (AliAlignObj *)res.fAlignObj->Clone(); | |
120 | else | |
121 | fAlignObj = 0; | |
122 | ||
123 | if (fIsOwner) { | |
124 | if (fVolArray) { | |
125 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
126 | delete fVolArray[itrack]; | |
127 | delete [] fVolArray; | |
128 | fVolArray=0; | |
129 | } | |
130 | if(res.fN) { | |
131 | fVolArray = new AliTrackPointArray*[res.fN]; | |
132 | memset(fVolArray,0,sizeof(AliTrackPointArray*)*res.fN); | |
133 | for (Int_t itrack = 0; itrack < res.fN; itrack++) | |
134 | if (res.fVolArray[itrack]) | |
135 | fVolArray[itrack] = new AliTrackPointArray(*res.fVolArray[itrack]); | |
136 | } | |
137 | if (fTrackArray) { | |
138 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
139 | delete fTrackArray[itrack]; | |
140 | delete [] fTrackArray; | |
141 | } | |
142 | if(res.fN) { | |
143 | fTrackArray = new AliTrackPointArray*[res.fN]; | |
144 | memset(fTrackArray,0,sizeof(AliTrackPointArray*)*res.fN); | |
145 | for (Int_t itrack = 0; itrack < res.fN; itrack++) | |
146 | if (res.fTrackArray[itrack]) | |
147 | fTrackArray[itrack] = new AliTrackPointArray(*res.fTrackArray[itrack]); | |
148 | } | |
149 | } else { | |
150 | fVolArray = res.fVolArray; | |
151 | fTrackArray = res.fTrackArray; | |
152 | } | |
153 | fN = res.fN; | |
154 | fChi2 = res.fChi2; | |
155 | fNdf = res.fNdf; | |
156 | fMinNPoints = res.fMinNPoints; | |
157 | fIsOwner = kFALSE; | |
158 | ||
159 | memcpy(fBFixed,res.fBFixed,sizeof(Bool_t)*6); | |
160 | memcpy(fFixed,res.fFixed,sizeof(Float_t)*6); | |
161 | } | |
162 | return *this; | |
163 | } | |
164 | ||
165 | //_____________________________________________________________________________ | |
166 | AliTrackResiduals::~AliTrackResiduals() | |
167 | { | |
168 | // Destructor | |
169 | delete fAlignObj; | |
170 | DeleteTrackPointArrays(); | |
171 | } | |
172 | ||
173 | //_____________________________________________________________________________ | |
174 | void AliTrackResiduals::SetNTracks(Int_t ntracks) | |
175 | { | |
176 | // Set new size for the track point arrays. | |
177 | // Delete the old arrays and allocate the | |
178 | // new ones. | |
179 | DeleteTrackPointArrays(); | |
180 | ||
181 | fN = ntracks; | |
182 | fLast = 0; | |
183 | fChi2 = 0; | |
184 | fNdf = 0; | |
185 | fIsOwner = kTRUE; | |
186 | ||
187 | if (ntracks > 0) { | |
188 | fVolArray = new AliTrackPointArray*[ntracks]; | |
189 | fTrackArray = new AliTrackPointArray*[ntracks]; | |
190 | for (Int_t itrack = 0; itrack < ntracks; itrack++) | |
191 | fVolArray[itrack] = fTrackArray[itrack] = 0x0; | |
192 | } | |
193 | else { | |
194 | fVolArray = fTrackArray = 0x0; | |
195 | } | |
196 | } | |
197 | ||
198 | //_____________________________________________________________________________ | |
199 | Bool_t AliTrackResiduals::AddTrackPointArrays(AliTrackPointArray *volarray, AliTrackPointArray *trackarray) | |
200 | { | |
201 | // Adds pair of track space point and | |
202 | // track extrapolation point arrays | |
203 | if (!fVolArray || !fTrackArray) return kFALSE; | |
204 | ||
205 | if (!volarray || !trackarray) return kFALSE; | |
206 | ||
207 | if (volarray->GetNPoints() < fMinNPoints) return kFALSE; | |
208 | ||
209 | if (fLast >= fN) return kFALSE; | |
210 | ||
211 | fVolArray[fLast] = volarray; | |
212 | fTrackArray[fLast] = trackarray; | |
213 | fLast++; | |
214 | ||
215 | return kTRUE; | |
216 | } | |
217 | ||
218 | //_____________________________________________________________________________ | |
219 | void AliTrackResiduals::InitAlignObj() | |
220 | { | |
221 | // Create the alignment object | |
222 | // to be updated | |
223 | delete fAlignObj; | |
224 | fAlignObj = new AliAlignObjParams; | |
225 | } | |
226 | ||
227 | ||
228 | //_____________________________________________________________________________ | |
229 | Bool_t AliTrackResiduals::GetTrackPointArrays(Int_t i, AliTrackPointArray* &volarray, AliTrackPointArray* &trackarray) const | |
230 | { | |
231 | // Provide an access to a pair of track point arrays | |
232 | // with given index | |
233 | if (i >= fLast) { | |
234 | volarray = trackarray = 0x0; | |
235 | return kFALSE; | |
236 | } | |
237 | else { | |
238 | volarray = fVolArray[i]; | |
239 | trackarray = fTrackArray[i]; | |
240 | return kTRUE; | |
241 | } | |
242 | } | |
243 | ||
244 | //_____________________________________________________________________________ | |
245 | void AliTrackResiduals::DeleteTrackPointArrays() | |
246 | { | |
247 | // Deletes the track point arrays only in case | |
248 | // the object is their owner. | |
249 | // Called by the destructor and SetNTracks methods. | |
250 | if (fIsOwner) { | |
251 | if (fVolArray) { | |
252 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
253 | delete fVolArray[itrack]; | |
254 | delete [] fVolArray; | |
255 | } | |
256 | if (fTrackArray) { | |
257 | for (Int_t itrack = 0; itrack < fN; itrack++) | |
258 | delete fTrackArray[itrack]; | |
259 | delete [] fTrackArray; | |
260 | } | |
261 | } | |
262 | } | |
263 | ||
264 | //_____________________________________________________ | |
265 | Int_t AliTrackResiduals::GetNFreeParam(){ | |
266 | Int_t unfixedparam=6; | |
267 | for(Int_t j=0;j<6;j++){ | |
268 | if(fBFixed[j]==kTRUE)unfixedparam--; | |
269 | } | |
270 | return unfixedparam; | |
271 | } |