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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 | ||
702ab87e | 18 | /* History of cvs commits: |
19 | * | |
20 | * $Log$ | |
91daaf24 | 21 | * Revision 1.24 2006/08/28 10:01:56 kharlov |
22 | * Effective C++ warnings fixed (Timur Pocheptsov) | |
23 | * | |
3663622c | 24 | * Revision 1.23 2005/12/20 14:28:47 hristov |
25 | * Additional protection | |
26 | * | |
f33a3764 | 27 | * Revision 1.22 2005/05/28 14:19:04 schutz |
28 | * Compilation warnings fixed by T.P. | |
29 | * | |
702ab87e | 30 | */ |
31 | ||
458282ff | 32 | //_________________________________________________________________________ |
33 | // RecPoint implementation for PHOS-CPV | |
34 | // An CpvRecPoint is a cluster of digits | |
a3dfe79c | 35 | //*-- Author: Yuri Kharlov |
36 | // (after Dmitri Peressounko (RRC KI & SUBATECH)) | |
37 | // 30 October 2000 | |
458282ff | 38 | |
39 | // --- ROOT system --- | |
e957fea8 | 40 | |
458282ff | 41 | #include "TMath.h" |
b5241d61 | 42 | #include "TClonesArray.h" |
458282ff | 43 | |
44 | // --- Standard library --- | |
45 | ||
458282ff | 46 | // --- AliRoot header files --- |
351dd634 | 47 | #include "AliLog.h" |
e957fea8 | 48 | #include "AliPHOSGeometry.h" |
49 | #include "AliPHOSDigit.h" | |
458282ff | 50 | #include "AliPHOSCpvRecPoint.h" |
88cb7938 | 51 | #include "AliPHOSLoader.h" |
e957fea8 | 52 | |
458282ff | 53 | ClassImp(AliPHOSCpvRecPoint) |
54 | ||
55 | //____________________________________________________________________________ | |
3663622c | 56 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint() : |
57 | AliPHOSEmcRecPoint(), | |
58 | fLengX(-1), | |
59 | fLengZ(-1) | |
458282ff | 60 | { |
61 | // ctor | |
458282ff | 62 | } |
63 | ||
73a68ccb | 64 | //____________________________________________________________________________ |
3663622c | 65 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint(const char * opt) : |
66 | AliPHOSEmcRecPoint(opt), | |
67 | fLengX(-1), | |
68 | fLengZ(-1) | |
73a68ccb | 69 | { |
70 | // ctor | |
3663622c | 71 | } |
73a68ccb | 72 | |
458282ff | 73 | //____________________________________________________________________________ |
74 | AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint() | |
75 | { | |
76 | // dtor | |
458282ff | 77 | } |
78 | ||
458282ff | 79 | //____________________________________________________________________________ |
ad8cfaf4 | 80 | Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
458282ff | 81 | { |
82 | // Tells if (true) or not (false) two digits are neighbors) | |
83 | ||
84 | Bool_t aren = kFALSE ; | |
85 | ||
88cb7938 | 86 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
ed652fe0 | 87 | |
458282ff | 88 | Int_t relid1[4] ; |
89 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; | |
90 | ||
91 | Int_t relid2[4] ; | |
92 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; | |
93 | ||
94 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
95 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
96 | ||
97 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
98 | aren = kTRUE ; | |
99 | ||
100 | return aren ; | |
101 | } | |
102 | ||
103 | //____________________________________________________________________________ | |
2a941f4e | 104 | Int_t AliPHOSCpvRecPoint::Compare(const TObject * obj) const |
458282ff | 105 | { |
106 | // Compares two RecPoints according to their position in the PHOS modules | |
107 | ||
b5241d61 | 108 | Float_t delta = 1 ; //Width of "Sorting row". If you changibg this |
109 | //value (what is senseless) change as vell delta in | |
110 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
111 | ||
458282ff | 112 | Int_t rv ; |
113 | ||
9688c1dd | 114 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; |
115 | ||
116 | Int_t phosmod1 = GetPHOSMod() ; | |
117 | Int_t phosmod2 = clu->GetPHOSMod() ; | |
118 | ||
119 | TVector3 locpos1; | |
120 | GetLocalPosition(locpos1) ; | |
121 | TVector3 locpos2; | |
122 | clu->GetLocalPosition(locpos2) ; | |
123 | ||
124 | if(phosmod1 == phosmod2 ) { | |
125 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; | |
126 | if (rowdif> 0) | |
127 | rv = 1 ; | |
128 | else if(rowdif < 0) | |
129 | rv = -1 ; | |
130 | else if(locpos1.Z()>locpos2.Z()) | |
131 | rv = -1 ; | |
132 | else | |
133 | rv = 1 ; | |
134 | } | |
135 | ||
136 | else { | |
137 | if(phosmod1 < phosmod2 ) | |
138 | rv = -1 ; | |
139 | else | |
140 | rv = 1 ; | |
141 | } | |
142 | ||
143 | return rv ; | |
144 | ||
458282ff | 145 | } |
146 | ||
147 | //______________________________________________________________________________ | |
702ab87e | 148 | void AliPHOSCpvRecPoint::ExecuteEvent(Int_t, Int_t, Int_t ) /*const*/ |
458282ff | 149 | { |
b5241d61 | 150 | // // Execute action corresponding to one event |
151 | // // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
152 | // // | |
153 | // // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
154 | // // and switched off when the mouse button is released. | |
155 | // // | |
458282ff | 156 | |
b5241d61 | 157 | // // static Int_t pxold, pyold; |
458282ff | 158 | |
88cb7938 | 159 | // AliPHOSLoader * gime = AliPHOSLoader::GetInstance() ; |
458282ff | 160 | |
b5241d61 | 161 | // static TGraph * digitgraph = 0 ; |
458282ff | 162 | |
b5241d61 | 163 | // if (!gPad->IsEditable()) return; |
458282ff | 164 | |
b5241d61 | 165 | // TH2F * histo = 0 ; |
166 | // TCanvas * histocanvas ; | |
458282ff | 167 | |
b5241d61 | 168 | // switch (event) { |
458282ff | 169 | |
b5241d61 | 170 | // case kButton1Down: { |
171 | // AliPHOSDigit * digit ; | |
172 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
173 | // Int_t iDigit; | |
174 | // Int_t relid[4] ; | |
458282ff | 175 | |
b5241d61 | 176 | // const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ; |
177 | // Float_t * xi = new Float_t[kMulDigit] ; | |
178 | // Float_t * zi = new Float_t[kMulDigit] ; | |
458282ff | 179 | |
b5241d61 | 180 | // // create the histogram for the single cluster |
181 | // // 1. gets histogram boundaries | |
182 | // Float_t ximax = -999. ; | |
183 | // Float_t zimax = -999. ; | |
184 | // Float_t ximin = 999. ; | |
185 | // Float_t zimin = 999. ; | |
458282ff | 186 | |
b5241d61 | 187 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
7b7c1533 | 188 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 189 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
190 | // phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
191 | // if ( xi[iDigit] > ximax ) | |
192 | // ximax = xi[iDigit] ; | |
193 | // if ( xi[iDigit] < ximin ) | |
194 | // ximin = xi[iDigit] ; | |
195 | // if ( zi[iDigit] > zimax ) | |
196 | // zimax = zi[iDigit] ; | |
197 | // if ( zi[iDigit] < zimin ) | |
198 | // zimin = zi[iDigit] ; | |
199 | // } | |
200 | // ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
201 | // zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
202 | // ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
203 | // zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
204 | // Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
205 | // Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
458282ff | 206 | |
b5241d61 | 207 | // // 2. gets the histogram title |
458282ff | 208 | |
b5241d61 | 209 | // Text_t title[100] ; |
210 | // sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
458282ff | 211 | |
b5241d61 | 212 | // if (!histo) { |
213 | // delete histo ; | |
214 | // histo = 0 ; | |
215 | // } | |
216 | // histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
458282ff | 217 | |
b5241d61 | 218 | // Float_t x, z ; |
219 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
7b7c1533 | 220 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 221 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
222 | // phosgeom->RelPosInModule(relid, x, z); | |
223 | // histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
224 | // } | |
458282ff | 225 | |
b5241d61 | 226 | // if (!digitgraph) { |
227 | // digitgraph = new TGraph(kMulDigit,xi,zi); | |
228 | // digitgraph-> SetMarkerStyle(5) ; | |
229 | // digitgraph-> SetMarkerSize(1.) ; | |
230 | // digitgraph-> SetMarkerColor(1) ; | |
231 | // digitgraph-> Paint("P") ; | |
232 | // } | |
458282ff | 233 | |
b5241d61 | 234 | // Print() ; |
235 | // histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
236 | // histocanvas->Draw() ; | |
237 | // histo->Draw("lego1") ; | |
458282ff | 238 | |
b5241d61 | 239 | // delete[] xi ; |
240 | // delete[] zi ; | |
458282ff | 241 | |
b5241d61 | 242 | // break; |
243 | // } | |
458282ff | 244 | |
b5241d61 | 245 | // case kButton1Up: |
246 | // if (digitgraph) { | |
247 | // delete digitgraph ; | |
248 | // digitgraph = 0 ; | |
249 | // } | |
250 | // break; | |
458282ff | 251 | |
b5241d61 | 252 | // } |
458282ff | 253 | } |
254 | ||
255 | //____________________________________________________________________________ | |
91daaf24 | 256 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits) |
a4e98857 | 257 | { |
b5241d61 | 258 | AliPHOSEmcRecPoint::EvalAll(logWeight,digits) ; |
259 | EvalClusterLengths(digits) ; | |
ad8cfaf4 | 260 | } |
261 | //____________________________________________________________________________ | |
91daaf24 | 262 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight, TVector3 &vtx, TClonesArray * digits) |
263 | { | |
264 | // wraps other methods | |
265 | AliPHOSEmcRecPoint::EvalAll(logWeight,vtx,digits) ; | |
266 | } | |
267 | //____________________________________________________________________________ | |
268 | void AliPHOSCpvRecPoint::EvalLocalPosition(Float_t logWeight, TVector3 & /*vtx */, TClonesArray * digits) | |
ad8cfaf4 | 269 | { |
270 | // Calculates the center of gravity in the local PHOS-module coordinates | |
271 | ||
ad8cfaf4 | 272 | Float_t wtot = 0. ; |
273 | ||
274 | Int_t relid[4] ; | |
275 | ||
276 | Float_t x = 0. ; | |
277 | Float_t z = 0. ; | |
278 | ||
279 | AliPHOSDigit * digit ; | |
280 | ||
88cb7938 | 281 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
282 | ||
ad8cfaf4 | 283 | Int_t iDigit; |
284 | ||
285 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 286 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]); |
ad8cfaf4 | 287 | |
288 | Float_t xi ; | |
289 | Float_t zi ; | |
290 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
291 | phosgeom->RelPosInModule(relid, xi, zi); | |
f33a3764 | 292 | if (fAmp>0 && fEnergyList[iDigit]>0) { |
293 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; | |
294 | x += xi * w ; | |
295 | z += zi * w ; | |
296 | wtot += w ; | |
297 | } | |
298 | else | |
299 | AliError(Form("Wrong energy %f and/or amplitude %f\n", fEnergyList[iDigit], fAmp)); | |
ad8cfaf4 | 300 | } |
301 | ||
302 | if (wtot != 0) { | |
303 | x /= wtot ; | |
304 | z /= wtot ; | |
305 | } else { | |
306 | x = -1e6 ; | |
307 | z = -1e6 ; | |
21cd0c07 | 308 | if (fMulDigit != 0) |
351dd634 | 309 | AliWarning(Form("Too low log weight factor to evaluate cluster's center" )) ; |
ad8cfaf4 | 310 | } |
311 | fLocPos.SetX(x) ; | |
312 | fLocPos.SetY(0.) ; | |
313 | fLocPos.SetZ(z) ; | |
0d6c7a69 | 314 | fLocPosM = 0 ; |
ad8cfaf4 | 315 | |
316 | } | |
317 | ||
318 | //____________________________________________________________________________ | |
b5241d61 | 319 | void AliPHOSCpvRecPoint::EvalClusterLengths(TClonesArray * digits) |
458282ff | 320 | { |
b5241d61 | 321 | //Modified 15.03.2001 by Dmitri Peressounko |
458282ff | 322 | |
458282ff | 323 | // Calculates the cluster lengths along X and Z axes |
324 | // These characteristics are needed for CPV to tune | |
325 | // digitization+reconstruction to experimental data | |
326 | // Yuri Kharlov. 24 October 2000 | |
327 | ||
458282ff | 328 | Int_t relid[4] ; |
329 | ||
330 | AliPHOSDigit * digit ; | |
331 | ||
88cb7938 | 332 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
458282ff | 333 | |
a3dfe79c | 334 | const Int_t kMaxLeng=20; |
335 | Int_t idX[kMaxLeng], idZ[kMaxLeng]; | |
b5241d61 | 336 | fLengX = 0; |
337 | fLengZ = 0; | |
458282ff | 338 | Bool_t dejavu; |
339 | ||
340 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 341 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
458282ff | 342 | Int_t absId = digit->GetId(); |
343 | phosgeom->AbsToRelNumbering(absId, relid) ; | |
344 | ||
cd461ab8 | 345 | Int_t i; |
458282ff | 346 | dejavu=kFALSE; |
b5241d61 | 347 | for (i=0; i<fLengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; } |
458282ff | 348 | if (!dejavu) { |
b5241d61 | 349 | idX[fLengX]=relid[2]; |
350 | fLengX++; | |
351 | fLengX = TMath::Min(fLengX,kMaxLeng); | |
458282ff | 352 | } |
353 | ||
354 | dejavu=kFALSE; | |
b5241d61 | 355 | for (i=0; i<fLengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; } |
458282ff | 356 | if (!dejavu) { |
b5241d61 | 357 | idZ[fLengZ]=relid[3]; |
358 | fLengZ++; | |
359 | fLengZ = TMath::Min(fLengZ,kMaxLeng); | |
458282ff | 360 | } |
361 | } | |
458282ff | 362 | } |
363 | ||
458282ff | 364 | //____________________________________________________________________________ |
702ab87e | 365 | void AliPHOSCpvRecPoint::Print(const Option_t *) const |
458282ff | 366 | { |
367 | // Print the list of digits belonging to the cluster | |
368 | ||
21cd0c07 | 369 | TString message ; |
370 | message = "AliPHOSCpvRecPoint: " ; | |
371 | message += "Digits # " ; | |
351dd634 | 372 | AliInfo(Form(message.Data())) ; |
21cd0c07 | 373 | |
458282ff | 374 | Int_t iDigit; |
458282ff | 375 | |
b5241d61 | 376 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 377 | printf(" %d \n", fDigitsList[iDigit]) ; |
458282ff | 378 | |
351dd634 | 379 | printf("Energies: \n") ; |
b5241d61 | 380 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 381 | printf(" %f ", fEnergyList[iDigit]) ; |
b5241d61 | 382 | |
21cd0c07 | 383 | message = " Multiplicity = %d\n" ; |
384 | message += " Cluster Energy = %f\n" ; | |
385 | message += " Stored at position %d\n" ; | |
458282ff | 386 | |
351dd634 | 387 | printf(message.Data(), fMulDigit, fAmp, GetIndexInList() ) ; |
21cd0c07 | 388 | |
458282ff | 389 | } |