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f7336fa3 | 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 | $Log$ | |
0a29d0f1 | 18 | Revision 1.7 2001/12/05 15:04:34 hristov |
19 | Changes related to the corrections of AliRecPoint | |
20 | ||
11432582 | 21 | Revision 1.6 2001/02/14 18:22:26 cblume |
22 | Change in the geometry of the padplane | |
23 | ||
71d9fa7b | 24 | Revision 1.5 2000/11/14 14:40:27 cblume |
25 | Correction for the Sun compiler (kTRUE and kFALSE) | |
26 | ||
57527628 | 27 | Revision 1.4 2000/11/01 14:53:21 cblume |
28 | Merge with TRD-develop | |
29 | ||
793ff80c | 30 | Revision 1.1.4.2 2000/10/04 16:34:58 cblume |
31 | Replace include files by forward declarations | |
32 | ||
33 | Revision 1.1.4.1 2000/09/22 14:50:39 cblume | |
34 | Adapted to tracking code | |
35 | ||
36 | Revision 1.3 2000/06/09 11:10:07 cblume | |
37 | Compiler warnings and coding conventions, next round | |
38 | ||
dd9a6ee3 | 39 | Revision 1.2 2000/06/08 18:32:58 cblume |
40 | Make code compliant to coding conventions | |
41 | ||
8230f242 | 42 | Revision 1.1 2000/02/28 19:02:07 cblume |
43 | Add new TRD classes | |
44 | ||
f7336fa3 | 45 | */ |
46 | ||
47 | /////////////////////////////////////////////////////////////////////////////// | |
48 | // // | |
49 | // TRD reconstructed point // | |
50 | // // | |
51 | /////////////////////////////////////////////////////////////////////////////// | |
52 | ||
793ff80c | 53 | #include "AliRun.h" |
54 | ||
f7336fa3 | 55 | #include "AliTRDgeometry.h" |
56 | #include "AliTRDrecPoint.h" | |
57 | #include "AliTRD.h" | |
58 | ||
59 | ClassImp(AliTRDrecPoint) | |
60 | ||
61 | //_____________________________________________________________________________ | |
62 | AliTRDrecPoint::AliTRDrecPoint():AliRecPoint() | |
63 | { | |
64 | // | |
65 | // Standard constructor | |
66 | // | |
67 | ||
68 | fDetector = 0; | |
69 | ||
8230f242 | 70 | AliTRD *trd; |
f7336fa3 | 71 | if ((gAlice) && |
8230f242 | 72 | (trd = ((AliTRD*) gAlice->GetDetector("TRD")))) { |
73 | fGeom = trd->GetGeometry(); | |
f7336fa3 | 74 | } |
75 | else { | |
76 | fGeom = NULL; | |
77 | } | |
78 | ||
79 | } | |
80 | ||
11432582 | 81 | //_____________________________________________________________________________ |
82 | AliTRDrecPoint::AliTRDrecPoint(const char * opt):AliRecPoint(opt) | |
83 | { | |
84 | // | |
85 | // Standard constructor | |
86 | // | |
87 | ||
88 | fDetector = 0; | |
89 | ||
90 | AliTRD *trd; | |
91 | if ((gAlice) && | |
92 | (trd = ((AliTRD*) gAlice->GetDetector("TRD")))) { | |
93 | fGeom = trd->GetGeometry(); | |
94 | } | |
95 | else { | |
96 | fGeom = NULL; | |
97 | } | |
98 | ||
99 | } | |
100 | ||
8230f242 | 101 | //_____________________________________________________________________________ |
102 | AliTRDrecPoint::~AliTRDrecPoint() | |
103 | { | |
104 | // | |
105 | // AliTRDrecPoint destructor | |
106 | // | |
107 | ||
108 | } | |
109 | ||
f7336fa3 | 110 | //_____________________________________________________________________________ |
111 | void AliTRDrecPoint::AddDigit(Int_t digit) | |
112 | { | |
113 | // | |
114 | // Adds the index of a digit to the digits list | |
115 | // | |
116 | ||
117 | // First resize the list | |
118 | // (no clusters with more than 3 digits for the TRD | |
119 | if ((fMulDigit == 0) && (fMaxDigit >= 5)) { | |
120 | fMaxDigit = 5; | |
121 | delete fDigitsList; | |
122 | fDigitsList = new int[fMaxDigit]; | |
123 | } | |
124 | ||
125 | // Increase the size of the list if necessary | |
126 | if (fMulDigit >= fMaxDigit) { | |
dd9a6ee3 | 127 | fMaxDigit *= 2; |
128 | int *tempo = new (int[fMaxDigit]); | |
f7336fa3 | 129 | Int_t index; |
130 | for (index = 0; index < fMulDigit; index++) | |
131 | tempo[index] = fDigitsList[index]; | |
132 | delete fDigitsList; | |
133 | fDigitsList = tempo; | |
134 | } | |
135 | ||
136 | fDigitsList[fMulDigit++] = digit; | |
137 | ||
138 | } | |
139 | ||
140 | //_____________________________________________________________________________ | |
141 | void AliTRDrecPoint::SetLocalPosition(TVector3 &pos) | |
142 | { | |
143 | // | |
144 | // Sets the position of the point in the local coordinate system | |
145 | // (row,col,time) and calculates the error matrix in the same | |
146 | // system. | |
147 | // | |
148 | ||
8230f242 | 149 | const Float_t kSq12 = 3.464101615; |
f7336fa3 | 150 | |
151 | // Set the position | |
152 | fLocPos = pos; | |
153 | ||
154 | // Set the error matrix | |
155 | // row: pad-size / sqrt(12) | |
156 | // col: not defined yet | |
157 | // time: bin-size / sqrt(12) | |
71d9fa7b | 158 | Int_t plane = ((AliTRDgeometry *) fGeom)->GetPlane(fDetector); |
159 | Int_t chamber = ((AliTRDgeometry *) fGeom)->GetChamber(fDetector); | |
160 | Int_t sector = ((AliTRDgeometry *) fGeom)->GetSector(fDetector); | |
161 | fLocPosM->operator()(0,0) = ((AliTRDgeometry *) fGeom)->GetRowPadSize(plane | |
162 | ,chamber | |
163 | ,sector) | |
8230f242 | 164 | / kSq12; |
f7336fa3 | 165 | fLocPosM->operator()(1,1) = 0.0; |
166 | fLocPosM->operator()(2,2) = ((AliTRDgeometry *) fGeom)->GetTimeBinSize() | |
8230f242 | 167 | / kSq12; |
f7336fa3 | 168 | |
793ff80c | 169 | // printf("rec. point: row = %f, col = %f, time = %f \n", |
170 | // fLocPos[0],fLocPos[1],fLocPos[2]); | |
171 | ||
f7336fa3 | 172 | } |
793ff80c | 173 | |
174 | //_____________________________________________________________________________ | |
175 | void AliTRDrecPoint::SetTrackingYZ(Float_t sigmaY, Float_t sigmaZ) | |
176 | { | |
177 | // | |
178 | // Sets the position of the point in the local coordinate system | |
179 | // of tracking sector | |
180 | // | |
181 | ||
182 | Int_t plane = ((AliTRDgeometry *) fGeom)->GetPlane(fDetector); | |
183 | Int_t chamber = ((AliTRDgeometry *) fGeom)->GetChamber(fDetector); | |
184 | Int_t sector = ((AliTRDgeometry *) fGeom)->GetSector(fDetector); | |
185 | ||
186 | ||
187 | // Set the position | |
188 | ||
189 | Float_t padRow = fLocPos[0]; // Pad Row position | |
190 | Float_t padCol = fLocPos[1]; // Pad Column position | |
191 | ||
192 | Float_t col0 = ((AliTRDgeometry *) fGeom)->GetCol0(plane); | |
193 | Float_t row0 = ((AliTRDgeometry *) fGeom)->GetRow0(plane,chamber,sector); | |
194 | ||
195 | // Float_t offset = 0.5 * ((AliTRDgeometry *) fGeom)->GetChamberWidth(plane); | |
196 | ||
71d9fa7b | 197 | fY = - (col0 + padCol * ((AliTRDgeometry *) fGeom)->GetColPadSize(plane)); |
198 | fZ = row0 + padRow * ((AliTRDgeometry *) fGeom)->GetRowPadSize(plane | |
199 | ,chamber | |
200 | ,sector); | |
793ff80c | 201 | |
202 | // fSigmaY = sigmaY * sigmaY; | |
203 | // fSigmaZ = sigmaZ * sigmaZ; | |
204 | ||
205 | fSigmaY2 = 0.05 * 0.05; | |
206 | ||
71d9fa7b | 207 | fSigmaZ2 = ((AliTRDgeometry *) fGeom)->GetRowPadSize(plane,chamber,sector) |
208 | * ((AliTRDgeometry *) fGeom)->GetRowPadSize(plane,chamber,sector) | |
209 | / 12.; | |
210 | ||
793ff80c | 211 | } |
212 | ||
213 | //_____________________________________________________________________________ | |
214 | void AliTRDrecPoint::AddTrackIndex(Int_t *track) | |
215 | { | |
216 | // Adds track index. Currently assumed that track is an array of | |
217 | // size 9, and up to 3 track indexes are stored in fTracks[3]. | |
218 | // Indexes are sorted according to: | |
219 | // 1) index of max number of appearances is stored first | |
220 | // 2) if two or more indexes appear equal number of times, the lowest | |
221 | // ones are stored first; | |
222 | ||
0a29d0f1 | 223 | const Int_t kSize = 9; |
793ff80c | 224 | |
0a29d0f1 | 225 | Int_t entries[kSize][2], i, j, index; |
793ff80c | 226 | |
0a29d0f1 | 227 | Bool_t indexAdded; |
793ff80c | 228 | |
0a29d0f1 | 229 | for (i=0; i<kSize; i++) { |
793ff80c | 230 | entries[i][0]=-1; |
231 | entries[i][1]=0; | |
232 | } | |
233 | ||
234 | ||
0a29d0f1 | 235 | for (Int_t k=0; k<kSize; k++) { |
793ff80c | 236 | index=track[k]; |
0a29d0f1 | 237 | indexAdded=kFALSE; j=0; |
793ff80c | 238 | if (index >= 0) { |
0a29d0f1 | 239 | while ( (!indexAdded) && ( j < kSize ) ) { |
793ff80c | 240 | if ((entries[j][0]==index) || (entries[j][1]==0)) { |
241 | entries[j][0]=index; | |
242 | entries[j][1]=entries[j][1]+1; | |
0a29d0f1 | 243 | indexAdded=kTRUE; |
793ff80c | 244 | } |
245 | j++; | |
246 | } | |
247 | } | |
248 | } | |
249 | ||
250 | // sort by number of appearances and index value | |
251 | Int_t swap=1, tmp0, tmp1; | |
252 | while ( swap > 0) { | |
253 | swap=0; | |
0a29d0f1 | 254 | for(i=0; i<(kSize-1); i++) { |
793ff80c | 255 | if ((entries[i][0] >= 0) && (entries[i+1][0] >= 0)) { |
256 | if ((entries[i][1] < entries[i+1][1]) || | |
257 | ((entries[i][1] == entries[i+1][1]) && | |
258 | (entries[i][0] > entries[i+1][0]))) { | |
259 | tmp0=entries[i][0]; | |
260 | tmp1=entries[i][1]; | |
261 | entries[i][0]=entries[i+1][0]; | |
262 | entries[i][1]=entries[i+1][1]; | |
263 | entries[i+1][0]=tmp0; | |
264 | entries[i+1][1]=tmp1; | |
265 | swap++; | |
266 | } | |
267 | } | |
268 | } | |
269 | } | |
270 | ||
271 | // set track indexes | |
272 | ||
273 | for(i=0; i<3; i++) { | |
274 | fTracks[i] = entries[i][0]; | |
275 | } | |
276 | ||
277 | return; | |
278 | ||
279 | } |