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458282ff | 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 | /* $Id$ */ | |
17 | ||
18 | //_________________________________________________________________________ | |
19 | // RecPoint implementation for PHOS-CPV | |
20 | // An CpvRecPoint is a cluster of digits | |
a3dfe79c | 21 | //*-- Author: Yuri Kharlov |
22 | // (after Dmitri Peressounko (RRC KI & SUBATECH)) | |
23 | // 30 October 2000 | |
458282ff | 24 | |
25 | // --- ROOT system --- | |
26 | #include "TPad.h" | |
27 | #include "TH2.h" | |
28 | #include "TMath.h" | |
29 | #include "TCanvas.h" | |
b5241d61 | 30 | #include "TClonesArray.h" |
458282ff | 31 | |
32 | // --- Standard library --- | |
33 | ||
34 | #include <iostream.h> | |
35 | ||
36 | // --- AliRoot header files --- | |
37 | ||
458282ff | 38 | #include "AliPHOSCpvRecPoint.h" |
9688c1dd | 39 | #include "AliPHOSGetter.h" |
458282ff | 40 | ClassImp(AliPHOSCpvRecPoint) |
41 | ||
42 | //____________________________________________________________________________ | |
b5241d61 | 43 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint() : AliPHOSEmcRecPoint() |
458282ff | 44 | { |
45 | // ctor | |
46 | ||
458282ff | 47 | fLengX = -1; |
48 | fLengZ = -1; | |
49 | } | |
50 | ||
73a68ccb | 51 | //____________________________________________________________________________ |
52 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint(const char * opt) : AliPHOSEmcRecPoint(opt) | |
53 | { | |
54 | // ctor | |
55 | ||
56 | fLengX = -1; | |
57 | fLengZ = -1; | |
58 | } | |
59 | ||
458282ff | 60 | //____________________________________________________________________________ |
61 | AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint() | |
62 | { | |
63 | // dtor | |
458282ff | 64 | } |
65 | ||
458282ff | 66 | //____________________________________________________________________________ |
ad8cfaf4 | 67 | Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
458282ff | 68 | { |
69 | // Tells if (true) or not (false) two digits are neighbors) | |
70 | ||
71 | Bool_t aren = kFALSE ; | |
72 | ||
ed652fe0 | 73 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
74 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
75 | ||
458282ff | 76 | Int_t relid1[4] ; |
77 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; | |
78 | ||
79 | Int_t relid2[4] ; | |
80 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; | |
81 | ||
82 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
83 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
84 | ||
85 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
86 | aren = kTRUE ; | |
87 | ||
88 | return aren ; | |
89 | } | |
90 | ||
91 | //____________________________________________________________________________ | |
2a941f4e | 92 | Int_t AliPHOSCpvRecPoint::Compare(const TObject * obj) const |
458282ff | 93 | { |
94 | // Compares two RecPoints according to their position in the PHOS modules | |
95 | ||
b5241d61 | 96 | Float_t delta = 1 ; //Width of "Sorting row". If you changibg this |
97 | //value (what is senseless) change as vell delta in | |
98 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
99 | ||
458282ff | 100 | Int_t rv ; |
101 | ||
9688c1dd | 102 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; |
103 | ||
104 | Int_t phosmod1 = GetPHOSMod() ; | |
105 | Int_t phosmod2 = clu->GetPHOSMod() ; | |
106 | ||
107 | TVector3 locpos1; | |
108 | GetLocalPosition(locpos1) ; | |
109 | TVector3 locpos2; | |
110 | clu->GetLocalPosition(locpos2) ; | |
111 | ||
112 | if(phosmod1 == phosmod2 ) { | |
113 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; | |
114 | if (rowdif> 0) | |
115 | rv = 1 ; | |
116 | else if(rowdif < 0) | |
117 | rv = -1 ; | |
118 | else if(locpos1.Z()>locpos2.Z()) | |
119 | rv = -1 ; | |
120 | else | |
121 | rv = 1 ; | |
122 | } | |
123 | ||
124 | else { | |
125 | if(phosmod1 < phosmod2 ) | |
126 | rv = -1 ; | |
127 | else | |
128 | rv = 1 ; | |
129 | } | |
130 | ||
131 | return rv ; | |
132 | ||
458282ff | 133 | } |
134 | ||
135 | //______________________________________________________________________________ | |
baef0810 | 136 | void AliPHOSCpvRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const |
458282ff | 137 | { |
b5241d61 | 138 | // // Execute action corresponding to one event |
139 | // // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
140 | // // | |
141 | // // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
142 | // // and switched off when the mouse button is released. | |
143 | // // | |
458282ff | 144 | |
b5241d61 | 145 | // // static Int_t pxold, pyold; |
458282ff | 146 | |
7b7c1533 | 147 | // AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
458282ff | 148 | |
b5241d61 | 149 | // static TGraph * digitgraph = 0 ; |
458282ff | 150 | |
b5241d61 | 151 | // if (!gPad->IsEditable()) return; |
458282ff | 152 | |
b5241d61 | 153 | // TH2F * histo = 0 ; |
154 | // TCanvas * histocanvas ; | |
458282ff | 155 | |
b5241d61 | 156 | // switch (event) { |
458282ff | 157 | |
b5241d61 | 158 | // case kButton1Down: { |
159 | // AliPHOSDigit * digit ; | |
160 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
161 | // Int_t iDigit; | |
162 | // Int_t relid[4] ; | |
458282ff | 163 | |
b5241d61 | 164 | // const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ; |
165 | // Float_t * xi = new Float_t[kMulDigit] ; | |
166 | // Float_t * zi = new Float_t[kMulDigit] ; | |
458282ff | 167 | |
b5241d61 | 168 | // // create the histogram for the single cluster |
169 | // // 1. gets histogram boundaries | |
170 | // Float_t ximax = -999. ; | |
171 | // Float_t zimax = -999. ; | |
172 | // Float_t ximin = 999. ; | |
173 | // Float_t zimin = 999. ; | |
458282ff | 174 | |
b5241d61 | 175 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
7b7c1533 | 176 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 177 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
178 | // phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
179 | // if ( xi[iDigit] > ximax ) | |
180 | // ximax = xi[iDigit] ; | |
181 | // if ( xi[iDigit] < ximin ) | |
182 | // ximin = xi[iDigit] ; | |
183 | // if ( zi[iDigit] > zimax ) | |
184 | // zimax = zi[iDigit] ; | |
185 | // if ( zi[iDigit] < zimin ) | |
186 | // zimin = zi[iDigit] ; | |
187 | // } | |
188 | // ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
189 | // zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
190 | // ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
191 | // zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
192 | // Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
193 | // Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
458282ff | 194 | |
b5241d61 | 195 | // // 2. gets the histogram title |
458282ff | 196 | |
b5241d61 | 197 | // Text_t title[100] ; |
198 | // sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
458282ff | 199 | |
b5241d61 | 200 | // if (!histo) { |
201 | // delete histo ; | |
202 | // histo = 0 ; | |
203 | // } | |
204 | // histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
458282ff | 205 | |
b5241d61 | 206 | // Float_t x, z ; |
207 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
7b7c1533 | 208 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 209 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
210 | // phosgeom->RelPosInModule(relid, x, z); | |
211 | // histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
212 | // } | |
458282ff | 213 | |
b5241d61 | 214 | // if (!digitgraph) { |
215 | // digitgraph = new TGraph(kMulDigit,xi,zi); | |
216 | // digitgraph-> SetMarkerStyle(5) ; | |
217 | // digitgraph-> SetMarkerSize(1.) ; | |
218 | // digitgraph-> SetMarkerColor(1) ; | |
219 | // digitgraph-> Paint("P") ; | |
220 | // } | |
458282ff | 221 | |
b5241d61 | 222 | // Print() ; |
223 | // histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
224 | // histocanvas->Draw() ; | |
225 | // histo->Draw("lego1") ; | |
458282ff | 226 | |
b5241d61 | 227 | // delete[] xi ; |
228 | // delete[] zi ; | |
458282ff | 229 | |
b5241d61 | 230 | // break; |
231 | // } | |
458282ff | 232 | |
b5241d61 | 233 | // case kButton1Up: |
234 | // if (digitgraph) { | |
235 | // delete digitgraph ; | |
236 | // digitgraph = 0 ; | |
237 | // } | |
238 | // break; | |
458282ff | 239 | |
b5241d61 | 240 | // } |
458282ff | 241 | } |
242 | ||
243 | //____________________________________________________________________________ | |
a4e98857 | 244 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) |
245 | { | |
246 | // wraps other methods | |
b5241d61 | 247 | AliPHOSEmcRecPoint::EvalAll(logWeight,digits) ; |
248 | EvalClusterLengths(digits) ; | |
ad8cfaf4 | 249 | } |
250 | //____________________________________________________________________________ | |
b5241d61 | 251 | void AliPHOSCpvRecPoint::EvalLocalPosition(Float_t logWeight,TClonesArray * digits) |
ad8cfaf4 | 252 | { |
253 | // Calculates the center of gravity in the local PHOS-module coordinates | |
254 | ||
ad8cfaf4 | 255 | Float_t wtot = 0. ; |
256 | ||
257 | Int_t relid[4] ; | |
258 | ||
259 | Float_t x = 0. ; | |
260 | Float_t z = 0. ; | |
261 | ||
262 | AliPHOSDigit * digit ; | |
263 | ||
e91dc810 | 264 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
265 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
ad8cfaf4 | 266 | |
267 | Int_t iDigit; | |
268 | ||
269 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 270 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]); |
ad8cfaf4 | 271 | |
272 | Float_t xi ; | |
273 | Float_t zi ; | |
274 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
275 | phosgeom->RelPosInModule(relid, xi, zi); | |
b5241d61 | 276 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; |
ad8cfaf4 | 277 | x += xi * w ; |
278 | z += zi * w ; | |
279 | wtot += w ; | |
280 | } | |
281 | ||
282 | if (wtot != 0) { | |
283 | x /= wtot ; | |
284 | z /= wtot ; | |
285 | } else { | |
286 | x = -1e6 ; | |
287 | z = -1e6 ; | |
288 | if (fMulDigit != 0) cout << "AliPHOSCpvRecPoint: too low log weight factor " | |
289 | << "to evaluate cluster's center\n"; | |
290 | } | |
291 | fLocPos.SetX(x) ; | |
292 | fLocPos.SetY(0.) ; | |
293 | fLocPos.SetZ(z) ; | |
0d6c7a69 | 294 | fLocPosM = 0 ; |
ad8cfaf4 | 295 | |
296 | } | |
297 | ||
298 | //____________________________________________________________________________ | |
b5241d61 | 299 | void AliPHOSCpvRecPoint::EvalClusterLengths(TClonesArray * digits) |
458282ff | 300 | { |
b5241d61 | 301 | //Modified 15.03.2001 by Dmitri Peressounko |
458282ff | 302 | |
458282ff | 303 | // Calculates the cluster lengths along X and Z axes |
304 | // These characteristics are needed for CPV to tune | |
305 | // digitization+reconstruction to experimental data | |
306 | // Yuri Kharlov. 24 October 2000 | |
307 | ||
458282ff | 308 | Int_t relid[4] ; |
309 | ||
310 | AliPHOSDigit * digit ; | |
311 | ||
e91dc810 | 312 | AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ; |
313 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry(); | |
458282ff | 314 | |
a3dfe79c | 315 | const Int_t kMaxLeng=20; |
316 | Int_t idX[kMaxLeng], idZ[kMaxLeng]; | |
b5241d61 | 317 | fLengX = 0; |
318 | fLengZ = 0; | |
458282ff | 319 | Bool_t dejavu; |
320 | ||
321 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 322 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
458282ff | 323 | Int_t absId = digit->GetId(); |
324 | phosgeom->AbsToRelNumbering(absId, relid) ; | |
325 | ||
cd461ab8 | 326 | Int_t i; |
458282ff | 327 | dejavu=kFALSE; |
b5241d61 | 328 | for (i=0; i<fLengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; } |
458282ff | 329 | if (!dejavu) { |
b5241d61 | 330 | idX[fLengX]=relid[2]; |
331 | fLengX++; | |
332 | fLengX = TMath::Min(fLengX,kMaxLeng); | |
458282ff | 333 | } |
334 | ||
335 | dejavu=kFALSE; | |
b5241d61 | 336 | for (i=0; i<fLengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; } |
458282ff | 337 | if (!dejavu) { |
b5241d61 | 338 | idZ[fLengZ]=relid[3]; |
339 | fLengZ++; | |
340 | fLengZ = TMath::Min(fLengZ,kMaxLeng); | |
458282ff | 341 | } |
342 | } | |
458282ff | 343 | } |
344 | ||
458282ff | 345 | |
346 | ||
347 | //____________________________________________________________________________ | |
348 | void AliPHOSCpvRecPoint::Print(Option_t * option) | |
349 | { | |
350 | // Print the list of digits belonging to the cluster | |
351 | ||
352 | cout << "AliPHOSCpvRecPoint: " << endl ; | |
353 | ||
458282ff | 354 | Int_t iDigit; |
458282ff | 355 | |
b5241d61 | 356 | cout << "Digits # " ; |
357 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
358 | cout << fDigitsList[iDigit] << " " ; | |
359 | cout << endl ; | |
458282ff | 360 | |
b5241d61 | 361 | cout << "Energies: " ; |
362 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
363 | cout << fEnergyList[iDigit] << " " ; | |
364 | cout << endl ; | |
365 | ||
458282ff | 366 | cout << " Multiplicity = " << fMulDigit << endl ; |
367 | cout << " Cluster Energy = " << fAmp << endl ; | |
368 | cout << " Stored at position " << GetIndexInList() << endl ; | |
369 | ||
370 | } |