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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" |
c4073cad | 39 | #include "AliPHOSPpsdRecPoint.h" |
458282ff | 40 | |
41 | ClassImp(AliPHOSCpvRecPoint) | |
42 | ||
43 | //____________________________________________________________________________ | |
b5241d61 | 44 | AliPHOSCpvRecPoint::AliPHOSCpvRecPoint() : AliPHOSEmcRecPoint() |
458282ff | 45 | { |
46 | // ctor | |
47 | ||
458282ff | 48 | fLengX = -1; |
49 | fLengZ = -1; | |
50 | } | |
51 | ||
52 | //____________________________________________________________________________ | |
53 | AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint() | |
54 | { | |
55 | // dtor | |
458282ff | 56 | } |
57 | ||
458282ff | 58 | |
59 | //____________________________________________________________________________ | |
ad8cfaf4 | 60 | Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) const |
458282ff | 61 | { |
62 | // Tells if (true) or not (false) two digits are neighbors) | |
63 | ||
64 | Bool_t aren = kFALSE ; | |
65 | ||
66 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
67 | Int_t relid1[4] ; | |
68 | phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ; | |
69 | ||
70 | Int_t relid2[4] ; | |
71 | phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ; | |
72 | ||
73 | Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ; | |
74 | Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ; | |
75 | ||
76 | if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0)) | |
77 | aren = kTRUE ; | |
78 | ||
79 | return aren ; | |
80 | } | |
81 | ||
82 | //____________________________________________________________________________ | |
2a941f4e | 83 | Int_t AliPHOSCpvRecPoint::Compare(const TObject * obj) const |
458282ff | 84 | { |
85 | // Compares two RecPoints according to their position in the PHOS modules | |
86 | ||
b5241d61 | 87 | Float_t delta = 1 ; //Width of "Sorting row". If you changibg this |
88 | //value (what is senseless) change as vell delta in | |
89 | //AliPHOSTrackSegmentMakerv* and other RecPoints... | |
90 | ||
458282ff | 91 | Int_t rv ; |
92 | ||
c4073cad | 93 | if( (strcmp(obj->ClassName() , "AliPHOSPpsdRecPoint" )) == 0) // PPSD Rec Point |
94 | { | |
95 | AliPHOSPpsdRecPoint * clu = (AliPHOSPpsdRecPoint *)obj ; | |
96 | if(this->GetPHOSMod() < clu->GetPHOSMod() ) | |
97 | rv = -1 ; | |
98 | else | |
99 | rv = 1 ; | |
100 | return rv ; | |
101 | } | |
102 | else | |
103 | { | |
104 | AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *) obj ; | |
105 | ||
b5241d61 | 106 | Int_t phosmod1 = GetPHOSMod() ; |
c4073cad | 107 | Int_t phosmod2 = clu->GetPHOSMod() ; |
108 | ||
109 | TVector3 locpos1; | |
b5241d61 | 110 | GetLocalPosition(locpos1) ; |
c4073cad | 111 | TVector3 locpos2; |
112 | clu->GetLocalPosition(locpos2) ; | |
113 | ||
114 | if(phosmod1 == phosmod2 ) { | |
b5241d61 | 115 | Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/delta)-(Int_t)TMath::Ceil(locpos2.X()/delta) ; |
c4073cad | 116 | if (rowdif> 0) |
c4073cad | 117 | rv = 1 ; |
b5241d61 | 118 | else if(rowdif < 0) |
119 | rv = -1 ; | |
c4073cad | 120 | else if(locpos1.Z()>locpos2.Z()) |
121 | rv = -1 ; | |
122 | else | |
123 | rv = 1 ; | |
124 | } | |
125 | ||
126 | else { | |
127 | if(phosmod1 < phosmod2 ) | |
128 | rv = -1 ; | |
129 | else | |
130 | rv = 1 ; | |
131 | } | |
132 | ||
133 | return rv ; | |
134 | } | |
458282ff | 135 | } |
136 | ||
137 | //______________________________________________________________________________ | |
138 | void AliPHOSCpvRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) | |
139 | { | |
b5241d61 | 140 | // // Execute action corresponding to one event |
141 | // // This member function is called when a AliPHOSRecPoint is clicked with the locator | |
142 | // // | |
143 | // // If Left button is clicked on AliPHOSRecPoint, the digits are switched on | |
144 | // // and switched off when the mouse button is released. | |
145 | // // | |
458282ff | 146 | |
b5241d61 | 147 | // // static Int_t pxold, pyold; |
458282ff | 148 | |
b5241d61 | 149 | // AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ; |
458282ff | 150 | |
b5241d61 | 151 | // static TGraph * digitgraph = 0 ; |
458282ff | 152 | |
b5241d61 | 153 | // if (!gPad->IsEditable()) return; |
458282ff | 154 | |
b5241d61 | 155 | // TH2F * histo = 0 ; |
156 | // TCanvas * histocanvas ; | |
458282ff | 157 | |
b5241d61 | 158 | // switch (event) { |
458282ff | 159 | |
b5241d61 | 160 | // case kButton1Down: { |
161 | // AliPHOSDigit * digit ; | |
162 | // AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
163 | // Int_t iDigit; | |
164 | // Int_t relid[4] ; | |
458282ff | 165 | |
b5241d61 | 166 | // const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ; |
167 | // Float_t * xi = new Float_t[kMulDigit] ; | |
168 | // Float_t * zi = new Float_t[kMulDigit] ; | |
458282ff | 169 | |
b5241d61 | 170 | // // create the histogram for the single cluster |
171 | // // 1. gets histogram boundaries | |
172 | // Float_t ximax = -999. ; | |
173 | // Float_t zimax = -999. ; | |
174 | // Float_t ximin = 999. ; | |
175 | // Float_t zimin = 999. ; | |
458282ff | 176 | |
b5241d61 | 177 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { |
178 | // digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; | |
179 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
180 | // phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]); | |
181 | // if ( xi[iDigit] > ximax ) | |
182 | // ximax = xi[iDigit] ; | |
183 | // if ( xi[iDigit] < ximin ) | |
184 | // ximin = xi[iDigit] ; | |
185 | // if ( zi[iDigit] > zimax ) | |
186 | // zimax = zi[iDigit] ; | |
187 | // if ( zi[iDigit] < zimin ) | |
188 | // zimin = zi[iDigit] ; | |
189 | // } | |
190 | // ximax += phosgeom->GetCrystalSize(0) / 2. ; | |
191 | // zimax += phosgeom->GetCrystalSize(2) / 2. ; | |
192 | // ximin -= phosgeom->GetCrystalSize(0) / 2. ; | |
193 | // zimin -= phosgeom->GetCrystalSize(2) / 2. ; | |
194 | // Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ; | |
195 | // Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ; | |
458282ff | 196 | |
b5241d61 | 197 | // // 2. gets the histogram title |
458282ff | 198 | |
b5241d61 | 199 | // Text_t title[100] ; |
200 | // sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ; | |
458282ff | 201 | |
b5241d61 | 202 | // if (!histo) { |
203 | // delete histo ; | |
204 | // histo = 0 ; | |
205 | // } | |
206 | // histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ; | |
458282ff | 207 | |
b5241d61 | 208 | // Float_t x, z ; |
209 | // for(iDigit=0; iDigit<kMulDigit; iDigit++) { | |
210 | // digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ; | |
211 | // phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
212 | // phosgeom->RelPosInModule(relid, x, z); | |
213 | // histo->Fill(x, z, fEnergyList[iDigit] ) ; | |
214 | // } | |
458282ff | 215 | |
b5241d61 | 216 | // if (!digitgraph) { |
217 | // digitgraph = new TGraph(kMulDigit,xi,zi); | |
218 | // digitgraph-> SetMarkerStyle(5) ; | |
219 | // digitgraph-> SetMarkerSize(1.) ; | |
220 | // digitgraph-> SetMarkerColor(1) ; | |
221 | // digitgraph-> Paint("P") ; | |
222 | // } | |
458282ff | 223 | |
b5241d61 | 224 | // Print() ; |
225 | // histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ; | |
226 | // histocanvas->Draw() ; | |
227 | // histo->Draw("lego1") ; | |
458282ff | 228 | |
b5241d61 | 229 | // delete[] xi ; |
230 | // delete[] zi ; | |
458282ff | 231 | |
b5241d61 | 232 | // break; |
233 | // } | |
458282ff | 234 | |
b5241d61 | 235 | // case kButton1Up: |
236 | // if (digitgraph) { | |
237 | // delete digitgraph ; | |
238 | // digitgraph = 0 ; | |
239 | // } | |
240 | // break; | |
458282ff | 241 | |
b5241d61 | 242 | // } |
458282ff | 243 | } |
244 | ||
245 | //____________________________________________________________________________ | |
b5241d61 | 246 | void AliPHOSCpvRecPoint::EvalAll(Float_t logWeight,TClonesArray * digits){ |
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 | ||
264 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
265 | ||
266 | Int_t iDigit; | |
267 | ||
268 | for(iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 269 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]); |
ad8cfaf4 | 270 | |
271 | Float_t xi ; | |
272 | Float_t zi ; | |
273 | phosgeom->AbsToRelNumbering(digit->GetId(), relid) ; | |
274 | phosgeom->RelPosInModule(relid, xi, zi); | |
b5241d61 | 275 | Float_t w = TMath::Max( 0., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ; |
ad8cfaf4 | 276 | x += xi * w ; |
277 | z += zi * w ; | |
278 | wtot += w ; | |
279 | } | |
280 | ||
281 | if (wtot != 0) { | |
282 | x /= wtot ; | |
283 | z /= wtot ; | |
284 | } else { | |
285 | x = -1e6 ; | |
286 | z = -1e6 ; | |
287 | if (fMulDigit != 0) cout << "AliPHOSCpvRecPoint: too low log weight factor " | |
288 | << "to evaluate cluster's center\n"; | |
289 | } | |
290 | fLocPos.SetX(x) ; | |
291 | fLocPos.SetY(0.) ; | |
292 | fLocPos.SetZ(z) ; | |
293 | ||
294 | } | |
295 | ||
296 | //____________________________________________________________________________ | |
b5241d61 | 297 | void AliPHOSCpvRecPoint::EvalClusterLengths(TClonesArray * digits) |
458282ff | 298 | { |
b5241d61 | 299 | //Modified 15.03.2001 by Dmitri Peressounko |
458282ff | 300 | |
458282ff | 301 | // Calculates the cluster lengths along X and Z axes |
302 | // These characteristics are needed for CPV to tune | |
303 | // digitization+reconstruction to experimental data | |
304 | // Yuri Kharlov. 24 October 2000 | |
305 | ||
458282ff | 306 | Int_t relid[4] ; |
307 | ||
308 | AliPHOSDigit * digit ; | |
309 | ||
310 | AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ; | |
311 | ||
a3dfe79c | 312 | const Int_t kMaxLeng=20; |
313 | Int_t idX[kMaxLeng], idZ[kMaxLeng]; | |
b5241d61 | 314 | fLengX = 0; |
315 | fLengZ = 0; | |
458282ff | 316 | Bool_t dejavu; |
317 | ||
318 | for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) { | |
b5241d61 | 319 | digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ; |
458282ff | 320 | Int_t absId = digit->GetId(); |
321 | phosgeom->AbsToRelNumbering(absId, relid) ; | |
322 | ||
cd461ab8 | 323 | Int_t i; |
458282ff | 324 | dejavu=kFALSE; |
b5241d61 | 325 | for (i=0; i<fLengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; } |
458282ff | 326 | if (!dejavu) { |
b5241d61 | 327 | idX[fLengX]=relid[2]; |
328 | fLengX++; | |
329 | fLengX = TMath::Min(fLengX,kMaxLeng); | |
458282ff | 330 | } |
331 | ||
332 | dejavu=kFALSE; | |
b5241d61 | 333 | for (i=0; i<fLengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; } |
458282ff | 334 | if (!dejavu) { |
b5241d61 | 335 | idZ[fLengZ]=relid[3]; |
336 | fLengZ++; | |
337 | fLengZ = TMath::Min(fLengZ,kMaxLeng); | |
458282ff | 338 | } |
339 | } | |
458282ff | 340 | } |
341 | ||
458282ff | 342 | |
343 | ||
344 | //____________________________________________________________________________ | |
345 | void AliPHOSCpvRecPoint::Print(Option_t * option) | |
346 | { | |
347 | // Print the list of digits belonging to the cluster | |
348 | ||
349 | cout << "AliPHOSCpvRecPoint: " << endl ; | |
350 | ||
458282ff | 351 | Int_t iDigit; |
458282ff | 352 | |
b5241d61 | 353 | cout << "Digits # " ; |
354 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
355 | cout << fDigitsList[iDigit] << " " ; | |
356 | cout << endl ; | |
458282ff | 357 | |
b5241d61 | 358 | cout << "Energies: " ; |
359 | for(iDigit=0; iDigit<fMulDigit; iDigit++) | |
360 | cout << fEnergyList[iDigit] << " " ; | |
361 | cout << endl ; | |
362 | ||
458282ff | 363 | cout << " Multiplicity = " << fMulDigit << endl ; |
364 | cout << " Cluster Energy = " << fAmp << endl ; | |
365 | cout << " Stored at position " << GetIndexInList() << endl ; | |
366 | ||
367 | } |