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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 --- | |
e957fea8 | 26 | |
458282ff | 27 | #include "TMath.h" |
b5241d61 | 28 | #include "TClonesArray.h" |
458282ff | 29 | |
30 | // --- Standard library --- | |
31 | ||
458282ff | 32 | // --- AliRoot header files --- |
351dd634 | 33 | #include "AliLog.h" |
e957fea8 | 34 | #include "AliPHOSGeometry.h" |
35 | #include "AliPHOSDigit.h" | |
458282ff | 36 | #include "AliPHOSCpvRecPoint.h" |
88cb7938 | 37 | #include "AliPHOSLoader.h" |
e957fea8 | 38 | |
458282ff | 39 | ClassImp(AliPHOSCpvRecPoint) |
40 | ||
41 | //____________________________________________________________________________ | |
b5241d61 | 42 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint() : AliPHOSEmcRecPoint() |
458282ff | 43 | { |
44 | // ctor | |
45 | ||
458282ff | 46 | fLengX = -1; |
47 | fLengZ = -1; | |
48 | } | |
49 | ||
73a68ccb | 50 | //____________________________________________________________________________ |
51 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint(const char * opt) : AliPHOSEmcRecPoint(opt) | |
52 | { | |
53 | // ctor | |
54 | ||
55 | fLengX = -1; | |
56 | fLengZ = -1; | |
57 | } | |
58 | ||
458282ff | 59 | //____________________________________________________________________________ |
60 | AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint() | |
61 | { | |
62 | // dtor | |
458282ff | 63 | } |
64 | ||
458282ff | 65 | //____________________________________________________________________________ |
ad8cfaf4 | 66 | Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
458282ff | 67 | { |
68 | // Tells if (true) or not (false) two digits are neighbors) | |
69 | ||
70 | Bool_t aren = kFALSE ; | |
71 | ||
88cb7938 | 72 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
ed652fe0 | 73 | |
458282ff | 74 | Int_t relid1[4] ; |
75 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; | |
76 | ||
77 | Int_t relid2[4] ; | |
78 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; | |
79 | ||
80 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
81 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
82 | ||
83 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
84 | aren = kTRUE ; | |
85 | ||
86 | return aren ; | |
87 | } | |
88 | ||
89 | //____________________________________________________________________________ | |
2a941f4e | 90 | Int_t AliPHOSCpvRecPoint::Compare(const TObject * obj) const |
458282ff | 91 | { |
92 | // Compares two RecPoints according to their position in the PHOS modules | |
93 | ||
b5241d61 | 94 | Float_t delta = 1 ; //Width of "Sorting row". If you changibg this |
95 | //value (what is senseless) change as vell delta in | |
96 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
97 | ||
458282ff | 98 | Int_t rv ; |
99 | ||
9688c1dd | 100 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; |
101 | ||
102 | Int_t phosmod1 = GetPHOSMod() ; | |
103 | Int_t phosmod2 = clu->GetPHOSMod() ; | |
104 | ||
105 | TVector3 locpos1; | |
106 | GetLocalPosition(locpos1) ; | |
107 | TVector3 locpos2; | |
108 | clu->GetLocalPosition(locpos2) ; | |
109 | ||
110 | if(phosmod1 == phosmod2 ) { | |
111 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; | |
112 | if (rowdif> 0) | |
113 | rv = 1 ; | |
114 | else if(rowdif < 0) | |
115 | rv = -1 ; | |
116 | else if(locpos1.Z()>locpos2.Z()) | |
117 | rv = -1 ; | |
118 | else | |
119 | rv = 1 ; | |
120 | } | |
121 | ||
122 | else { | |
123 | if(phosmod1 < phosmod2 ) | |
124 | rv = -1 ; | |
125 | else | |
126 | rv = 1 ; | |
127 | } | |
128 | ||
129 | return rv ; | |
130 | ||
458282ff | 131 | } |
132 | ||
133 | //______________________________________________________________________________ | |
8f2a3661 | 134 | void AliPHOSCpvRecPoint::ExecuteEvent(Int_t, Int_t, Int_t ) const |
458282ff | 135 | { |
b5241d61 | 136 | // // Execute action corresponding to one event |
137 | // // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
138 | // // | |
139 | // // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
140 | // // and switched off when the mouse button is released. | |
141 | // // | |
458282ff | 142 | |
b5241d61 | 143 | // // static Int_t pxold, pyold; |
458282ff | 144 | |
88cb7938 | 145 | // AliPHOSLoader * gime = AliPHOSLoader::GetInstance() ; |
458282ff | 146 | |
b5241d61 | 147 | // static TGraph * digitgraph = 0 ; |
458282ff | 148 | |
b5241d61 | 149 | // if (!gPad->IsEditable()) return; |
458282ff | 150 | |
b5241d61 | 151 | // TH2F * histo = 0 ; |
152 | // TCanvas * histocanvas ; | |
458282ff | 153 | |
b5241d61 | 154 | // switch (event) { |
458282ff | 155 | |
b5241d61 | 156 | // case kButton1Down: { |
157 | // AliPHOSDigit * digit ; | |
158 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
159 | // Int_t iDigit; | |
160 | // Int_t relid[4] ; | |
458282ff | 161 | |
b5241d61 | 162 | // const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ; |
163 | // Float_t * xi = new Float_t[kMulDigit] ; | |
164 | // Float_t * zi = new Float_t[kMulDigit] ; | |
458282ff | 165 | |
b5241d61 | 166 | // // create the histogram for the single cluster |
167 | // // 1. gets histogram boundaries | |
168 | // Float_t ximax = -999. ; | |
169 | // Float_t zimax = -999. ; | |
170 | // Float_t ximin = 999. ; | |
171 | // Float_t zimin = 999. ; | |
458282ff | 172 | |
b5241d61 | 173 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
7b7c1533 | 174 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 175 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
176 | // phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
177 | // if ( xi[iDigit] > ximax ) | |
178 | // ximax = xi[iDigit] ; | |
179 | // if ( xi[iDigit] < ximin ) | |
180 | // ximin = xi[iDigit] ; | |
181 | // if ( zi[iDigit] > zimax ) | |
182 | // zimax = zi[iDigit] ; | |
183 | // if ( zi[iDigit] < zimin ) | |
184 | // zimin = zi[iDigit] ; | |
185 | // } | |
186 | // ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
187 | // zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
188 | // ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
189 | // zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
190 | // Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
191 | // Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
458282ff | 192 | |
b5241d61 | 193 | // // 2. gets the histogram title |
458282ff | 194 | |
b5241d61 | 195 | // Text_t title[100] ; |
196 | // sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
458282ff | 197 | |
b5241d61 | 198 | // if (!histo) { |
199 | // delete histo ; | |
200 | // histo = 0 ; | |
201 | // } | |
202 | // histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
458282ff | 203 | |
b5241d61 | 204 | // Float_t x, z ; |
205 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
7b7c1533 | 206 | // digit = (AliPHOSDigit *) ( gime->Digit(fDigitsList[iDigit]) ) ; |
b5241d61 | 207 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; |
208 | // phosgeom->RelPosInModule(relid, x, z); | |
209 | // histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
210 | // } | |
458282ff | 211 | |
b5241d61 | 212 | // if (!digitgraph) { |
213 | // digitgraph = new TGraph(kMulDigit,xi,zi); | |
214 | // digitgraph-> SetMarkerStyle(5) ; | |
215 | // digitgraph-> SetMarkerSize(1.) ; | |
216 | // digitgraph-> SetMarkerColor(1) ; | |
217 | // digitgraph-> Paint("P") ; | |
218 | // } | |
458282ff | 219 | |
b5241d61 | 220 | // Print() ; |
221 | // histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
222 | // histocanvas->Draw() ; | |
223 | // histo->Draw("lego1") ; | |
458282ff | 224 | |
b5241d61 | 225 | // delete[] xi ; |
226 | // delete[] zi ; | |
458282ff | 227 | |
b5241d61 | 228 | // break; |
229 | // } | |
458282ff | 230 | |
b5241d61 | 231 | // case kButton1Up: |
232 | // if (digitgraph) { | |
233 | // delete digitgraph ; | |
234 | // digitgraph = 0 ; | |
235 | // } | |
236 | // break; | |
458282ff | 237 | |
b5241d61 | 238 | // } |
458282ff | 239 | } |
240 | ||
241 | //____________________________________________________________________________ | |
a4e98857 | 242 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits) |
243 | { | |
244 | // wraps other methods | |
b5241d61 | 245 | AliPHOSEmcRecPoint::EvalAll(logWeight,digits) ; |
246 | EvalClusterLengths(digits) ; | |
ad8cfaf4 | 247 | } |
248 | //____________________________________________________________________________ | |
b5241d61 | 249 | void AliPHOSCpvRecPoint::EvalLocalPosition(Float_t logWeight,TClonesArray * digits) |
ad8cfaf4 | 250 | { |
251 | // Calculates the center of gravity in the local PHOS-module coordinates | |
252 | ||
ad8cfaf4 | 253 | Float_t wtot = 0. ; |
254 | ||
255 | Int_t relid[4] ; | |
256 | ||
257 | Float_t x = 0. ; | |
258 | Float_t z = 0. ; | |
259 | ||
260 | AliPHOSDigit * digit ; | |
261 | ||
88cb7938 | 262 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
263 | ||
ad8cfaf4 | 264 | Int_t iDigit; |
265 | ||
266 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 267 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]); |
ad8cfaf4 | 268 | |
269 | Float_t xi ; | |
270 | Float_t zi ; | |
271 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
272 | phosgeom->RelPosInModule(relid, xi, zi); | |
b5241d61 | 273 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; |
ad8cfaf4 | 274 | x += xi * w ; |
275 | z += zi * w ; | |
276 | wtot += w ; | |
277 | } | |
278 | ||
279 | if (wtot != 0) { | |
280 | x /= wtot ; | |
281 | z /= wtot ; | |
282 | } else { | |
283 | x = -1e6 ; | |
284 | z = -1e6 ; | |
21cd0c07 | 285 | if (fMulDigit != 0) |
351dd634 | 286 | AliWarning(Form("Too low log weight factor to evaluate cluster's center" )) ; |
ad8cfaf4 | 287 | } |
288 | fLocPos.SetX(x) ; | |
289 | fLocPos.SetY(0.) ; | |
290 | fLocPos.SetZ(z) ; | |
0d6c7a69 | 291 | fLocPosM = 0 ; |
ad8cfaf4 | 292 | |
293 | } | |
294 | ||
295 | //____________________________________________________________________________ | |
b5241d61 | 296 | void AliPHOSCpvRecPoint::EvalClusterLengths(TClonesArray * digits) |
458282ff | 297 | { |
b5241d61 | 298 | //Modified 15.03.2001 by Dmitri Peressounko |
458282ff | 299 | |
458282ff | 300 | // Calculates the cluster lengths along X and Z axes |
301 | // These characteristics are needed for CPV to tune | |
302 | // digitization+reconstruction to experimental data | |
303 | // Yuri Kharlov. 24 October 2000 | |
304 | ||
458282ff | 305 | Int_t relid[4] ; |
306 | ||
307 | AliPHOSDigit * digit ; | |
308 | ||
88cb7938 | 309 | AliPHOSGeometry * phosgeom = AliPHOSLoader::GetPHOSGeometry(); |
458282ff | 310 | |
a3dfe79c | 311 | const Int_t kMaxLeng=20; |
312 | Int_t idX[kMaxLeng], idZ[kMaxLeng]; | |
b5241d61 | 313 | fLengX = 0; |
314 | fLengZ = 0; | |
458282ff | 315 | Bool_t dejavu; |
316 | ||
317 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 318 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
458282ff | 319 | Int_t absId = digit->GetId(); |
320 | phosgeom->AbsToRelNumbering(absId, relid) ; | |
321 | ||
cd461ab8 | 322 | Int_t i; |
458282ff | 323 | dejavu=kFALSE; |
b5241d61 | 324 | for (i=0; i<fLengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; } |
458282ff | 325 | if (!dejavu) { |
b5241d61 | 326 | idX[fLengX]=relid[2]; |
327 | fLengX++; | |
328 | fLengX = TMath::Min(fLengX,kMaxLeng); | |
458282ff | 329 | } |
330 | ||
331 | dejavu=kFALSE; | |
b5241d61 | 332 | for (i=0; i<fLengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; } |
458282ff | 333 | if (!dejavu) { |
b5241d61 | 334 | idZ[fLengZ]=relid[3]; |
335 | fLengZ++; | |
336 | fLengZ = TMath::Min(fLengZ,kMaxLeng); | |
458282ff | 337 | } |
338 | } | |
458282ff | 339 | } |
340 | ||
458282ff | 341 | |
342 | ||
343 | //____________________________________________________________________________ | |
e957fea8 | 344 | void AliPHOSCpvRecPoint::Print() |
458282ff | 345 | { |
346 | // Print the list of digits belonging to the cluster | |
347 | ||
21cd0c07 | 348 | TString message ; |
349 | message = "AliPHOSCpvRecPoint: " ; | |
350 | message += "Digits # " ; | |
351dd634 | 351 | AliInfo(Form(message.Data())) ; |
21cd0c07 | 352 | |
458282ff | 353 | Int_t iDigit; |
458282ff | 354 | |
b5241d61 | 355 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 356 | printf(" %d \n", fDigitsList[iDigit]) ; |
458282ff | 357 | |
351dd634 | 358 | printf("Energies: \n") ; |
b5241d61 | 359 | for(iDigit=0; iDigit<fMulDigit; iDigit++) |
351dd634 | 360 | printf(" %f ", fEnergyList[iDigit]) ; |
b5241d61 | 361 | |
21cd0c07 | 362 | message = " Multiplicity = %d\n" ; |
363 | message += " Cluster Energy = %f\n" ; | |
364 | message += " Stored at position %d\n" ; | |
458282ff | 365 | |
351dd634 | 366 | printf(message.Data(), fMulDigit, fAmp, GetIndexInList() ) ; |
21cd0c07 | 367 | |
458282ff | 368 | } |