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2012850d | 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 | // Geometry class for EMCAL : singleton | |
b13bbe81 | 20 | // EMCAL consists of layers of scintillator and lead |
ffa6d63b | 21 | // Places the the Barrel Geometry of The EMCAL at Midrapidity |
d87bd045 | 22 | // between 80 and 180(or 190) degrees of Phi and |
ffa6d63b | 23 | // -0.7 to 0.7 in eta |
24 | // Number of Modules and Layers may be controlled by | |
25 | // the name of the instance defined | |
b13bbe81 | 26 | //*-- Author: Sahal Yacoob (LBL / UCT) |
27 | // and : Yves Schutz (SUBATECH) | |
28 | // and : Jennifer Klay (LBL) | |
1963b290 | 29 | // SHASHLYK : Aleksei Pavlinov (WSU) |
c63c3c5d | 30 | // SuperModules -> module(or tower) -> cell |
2012850d | 31 | |
2012850d | 32 | // --- AliRoot header files --- |
1ceeec56 | 33 | #include <assert.h> |
ca8f5bd0 | 34 | #include <TMath.h> |
116cbefd | 35 | #include <TVector3.h> |
c63c3c5d | 36 | #include <TRegexp.h> |
37 | #include <TObjArray.h> | |
38 | #include <TObjString.h> | |
173558f2 | 39 | |
ca8f5bd0 | 40 | // -- ALICE Headers. |
d64c959b | 41 | //#include "AliConst.h" |
173558f2 | 42 | |
ca8f5bd0 | 43 | // --- EMCAL headers |
44 | #include "AliEMCALGeometry.h" | |
2012850d | 45 | |
925e6570 | 46 | ClassImp(AliEMCALGeometry) |
2012850d | 47 | |
b13bbe81 | 48 | AliEMCALGeometry *AliEMCALGeometry::fgGeom = 0; |
49 | Bool_t AliEMCALGeometry::fgInit = kFALSE; | |
1963b290 | 50 | TString name; // contains name of geometry |
2012850d | 51 | |
c63c3c5d | 52 | char *additionalOpts[]={"nl=", // number of sampling layers |
53 | "pbTh=", // cm, Thickness of the Pb | |
54 | "scTh=" // cm, Thickness of the Sc | |
55 | }; | |
56 | int nAdditionalOpts = sizeof(additionalOpts) / sizeof(char*); | |
57 | ||
b13bbe81 | 58 | //______________________________________________________________________ |
59 | AliEMCALGeometry::~AliEMCALGeometry(void){ | |
60 | // dtor | |
2012850d | 61 | } |
b13bbe81 | 62 | |
395c7ba2 | 63 | //______________________________________________________________________ |
09884213 | 64 | Bool_t AliEMCALGeometry::AreInSameTower(Int_t id1, Int_t id2) const { |
c63c3c5d | 65 | // Find out whether two hits are in the same tower - have to be change |
395c7ba2 | 66 | Int_t idmax = TMath::Max(id1, id2) ; |
67 | Int_t idmin = TMath::Min(id1, id2) ; | |
68 | if ( ((idmax - GetNZ() * GetNPhi()) == idmin ) || | |
69 | ((idmax - 2 * GetNZ() * GetNPhi()) == idmin ) ) | |
70 | return kTRUE ; | |
71 | else | |
72 | return kFALSE ; | |
73 | } | |
05a92d59 | 74 | |
395c7ba2 | 75 | //______________________________________________________________________ |
76 | void AliEMCALGeometry::Init(void){ | |
77 | // Initializes the EMCAL parameters | |
fdebddeb | 78 | // naming convention : GUV_WX_N_ gives the composition of a tower |
395c7ba2 | 79 | // WX inform about the composition of the EM calorimeter section: |
fdebddeb | 80 | // thickness in mm of Pb radiator (W) and of scintillator (X), and number of scintillator layers (N) |
81 | // New geometry: EMCAL_55_25 | |
1963b290 | 82 | // 24-aug-04 for shish-kebab |
83 | // SHISH_25 or SHISH_62 | |
c63c3c5d | 84 | // 11-oct-05 - correction for pre final design |
85 | // Feb 06,2006 - decrease the weight of EMCAL | |
fdebddeb | 86 | fgInit = kFALSE; // Assume failed until proven otherwise. |
1963b290 | 87 | name = GetName(); |
d87bd045 | 88 | name.ToUpper(); |
89 | fKey110DEG = 0; | |
90 | if(name.Contains("110DEG")) fKey110DEG = 1; // for GetAbsCellId | |
1963b290 | 91 | |
92 | fNZ = 114; // granularity along Z (eta) | |
93 | fNPhi = 168; // granularity in phi (azimuth) | |
94 | fArm1PhiMin = 60.0; // degrees, Starting EMCAL Phi position | |
95 | fArm1PhiMax = 180.0; // degrees, Ending EMCAL Phi position | |
96 | fArm1EtaMin = -0.7; // pseudorapidity, Starting EMCAL Eta position | |
97 | fArm1EtaMax = +0.7; // pseudorapidity, Ending EMCAL Eta position | |
98 | fIPDistance = 454.0; // cm, Radial distance to inner surface of EMCAL | |
905263da | 99 | fPhiGapForSM = 0.; // cm, only for final TRD1 geometry |
1963b290 | 100 | |
101 | // geometry | |
c63c3c5d | 102 | if(name.Contains("SHISH")){ // Only shahslyk now |
905263da | 103 | // 7-sep-05; integration issue |
104 | fArm1PhiMin = 80.0; // 60 -> 80 | |
c01485dd | 105 | fArm1PhiMax = 180.0; // 180 -> 190 |
905263da | 106 | |
107 | fNumberOfSuperModules = 10; // 12 = 6 * 2 (6 in phi, 2 in Z); | |
1963b290 | 108 | fSteelFrontThick = 2.54; // 9-sep-04 |
109 | fIPDistance = 460.0; | |
110 | fFrontSteelStrip = fPassiveScintThick = 0.0; // 13-may-05 | |
111 | fLateralSteelStrip = 0.025; // before MAY 2005 | |
112 | fPhiModuleSize = fEtaModuleSize = 11.4; | |
113 | fPhiTileSize = fEtaTileSize = 5.52; // (11.4-5.52*2)/2. = 0.18 cm (wall thickness) | |
114 | fNPhi = 14; | |
115 | fNZ = 30; | |
116 | fAlFrontThick = fGap2Active = 0; | |
117 | fNPHIdiv = fNETAdiv = 2; | |
118 | ||
119 | fNECLayers = 62; | |
120 | fECScintThick = fECPbRadThickness = 0.2; | |
121 | fSampling = 1.; // 30-aug-04 - should be calculated | |
122 | if(name.Contains("TWIST")) { // all about EMCAL module | |
123 | fNZ = 27; // 16-sep-04 | |
124 | } else if(name.Contains("TRD")) { | |
125 | fIPDistance = 428.0; // 11-may-05 | |
126 | fSteelFrontThick = 0.0; // 3.17 -> 0.0; 28-mar-05 : no stell plate | |
127 | fNPhi = 12; | |
128 | fSampling = 12.327; | |
129 | fPhiModuleSize = fEtaModuleSize = 12.26; | |
130 | fNZ = 26; // 11-oct-04 | |
131 | fTrd1Angle = 1.3; // in degree | |
132 | // 18-nov-04; 1./0.08112=12.327 | |
133 | // http://pdsfweb01.nersc.gov/~pavlinov/ALICE/SHISHKEBAB/RES/linearityAndResolutionForTRD1.html | |
134 | if(name.Contains("TRD1")) { // 30-jan-05 | |
135 | // for final design | |
905263da | 136 | fPhiGapForSM = 2.; // cm, only for final TRD1 geometry |
137 | if(name.Contains("MAY05") || name.Contains("WSUC") || name.Contains("FINAL")){ | |
1963b290 | 138 | fNumberOfSuperModules = 12; // 20-may-05 |
139 | if(name.Contains("WSUC")) fNumberOfSuperModules = 1; // 27-may-05 | |
140 | fNECLayers = 77; // (13-may-05 from V.Petrov) | |
141 | fPhiModuleSize = 12.5; // 20-may-05 - rectangular shape | |
142 | fEtaModuleSize = 11.9; | |
143 | fECScintThick = fECPbRadThickness = 0.16;// (13-may-05 from V.Petrov) | |
144 | fFrontSteelStrip = 0.025;// 0.025cm = 0.25mm (13-may-05 from V.Petrov) | |
145 | fLateralSteelStrip = 0.01; // 0.01cm = 0.1mm (13-may-05 from V.Petrov) - was 0.025 | |
146 | fPassiveScintThick = 0.8; // 0.8cm = 8mm (13-may-05 from V.Petrov) | |
147 | fNZ = 24; | |
148 | fTrd1Angle = 1.5; // 1.3 or 1.5 | |
905263da | 149 | |
150 | if(name.Contains("FINAL")) { // 9-sep-05 | |
151 | fNumberOfSuperModules = 10; | |
d87bd045 | 152 | if(name.Contains("110DEG")) { |
153 | fNumberOfSuperModules = 12;// last two modules have size 10 degree in phi (180<phi<190) | |
154 | fArm1PhiMax = 200.0; // for XEN1 and turn angle of super modules | |
155 | } | |
905263da | 156 | fPhiModuleSize = 12.26 - fPhiGapForSM / Float_t(fNPhi); // first assumption |
157 | fEtaModuleSize = fPhiModuleSize; | |
c01485dd | 158 | if(name.Contains("HUGE")) fNECLayers *= 3; // 28-oct-05 for analysing leakage |
905263da | 159 | } |
1963b290 | 160 | } |
161 | } else if(name.Contains("TRD2")) { // 30-jan-05 | |
162 | fSteelFrontThick = 0.0; // 11-mar-05 | |
163 | fIPDistance+= fSteelFrontThick; // 1-feb-05 - compensate absence of steel plate | |
164 | fTrd1Angle = 1.64; // 1.3->1.64 | |
165 | fTrd2AngleY = fTrd1Angle; // symmetric case now | |
166 | fEmptySpace = 0.2; // 2 mm | |
167 | fTubsR = fIPDistance; // 31-jan-05 - as for Fred case | |
168 | ||
169 | fPhiModuleSize = fTubsR*2.*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.); | |
170 | fPhiModuleSize -= fEmptySpace/2.; // 11-mar-05 | |
171 | fEtaModuleSize = fPhiModuleSize; // 20-may-05 | |
172 | fTubsTurnAngle = 3.; | |
173 | } | |
174 | fNPHIdiv = fNETAdiv = 2; // 13-oct-04 - division again | |
175 | if(name.Contains("3X3")) { // 23-nov-04 | |
176 | fNPHIdiv = fNETAdiv = 3; | |
177 | } else if(name.Contains("4X4")) { | |
178 | fNPHIdiv = fNETAdiv = 4; | |
179 | } | |
180 | } | |
181 | fPhiTileSize = fPhiModuleSize/2. - fLateralSteelStrip; // 13-may-05 | |
182 | fEtaTileSize = fEtaModuleSize/2. - fLateralSteelStrip; // 13-may-05 | |
183 | ||
184 | if(name.Contains("25")){ | |
185 | fNECLayers = 25; | |
186 | fECScintThick = fECPbRadThickness = 0.5; | |
187 | } | |
188 | if(name.Contains("WSUC")){ // 18-may-05 - about common structure | |
189 | fShellThickness = 30.; // should be change | |
190 | fNPhi = fNZ = 4; | |
191 | } | |
c63c3c5d | 192 | |
193 | CheckAditionalOptions(); | |
194 | ||
1963b290 | 195 | // constant for transition absid <--> indexes |
196 | fNCellsInTower = fNPHIdiv*fNETAdiv; | |
197 | fNCellsInSupMod = fNCellsInTower*fNPhi*fNZ; | |
198 | fNCells = fNCellsInSupMod*fNumberOfSuperModules; | |
d87bd045 | 199 | if(name.Contains("110DEG")) fNCells -= fNCellsInSupMod; |
1963b290 | 200 | |
201 | fLongModuleSize = fNECLayers*(fECScintThick + fECPbRadThickness); | |
202 | if(name.Contains("MAY05")) fLongModuleSize += (fFrontSteelStrip + fPassiveScintThick); | |
203 | ||
204 | // 30-sep-04 | |
205 | if(name.Contains("TRD")) { | |
206 | f2Trd1Dx2 = fEtaModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd1Angle*TMath::DegToRad()/2.); | |
207 | if(name.Contains("TRD2")) { // 27-jan-05 | |
208 | f2Trd2Dy2 = fPhiModuleSize + 2.*fLongModuleSize*TMath::Tan(fTrd2AngleY*TMath::DegToRad()/2.); | |
209 | } | |
210 | } | |
c63c3c5d | 211 | } else Fatal("Init", "%s is an undefined geometry!", name.Data()) ; |
fdebddeb | 212 | |
1963b290 | 213 | fNPhiSuperModule = fNumberOfSuperModules/2; |
214 | if(fNPhiSuperModule<1) fNPhiSuperModule = 1; | |
fdebddeb | 215 | //There is always one more scintillator than radiator layer because of the first block of aluminium |
216 | fShellThickness = fAlFrontThick + fGap2Active + fNECLayers*GetECScintThick()+(fNECLayers-1)*GetECPbRadThick(); | |
1963b290 | 217 | if(name.Contains("SHISH")) { |
218 | fShellThickness = fSteelFrontThick + fLongModuleSize; | |
219 | if(name.Contains("TWIST")) { // 13-sep-04 | |
220 | fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + fPhiModuleSize*fEtaModuleSize); | |
221 | fShellThickness += fSteelFrontThick; | |
222 | } else if(name.Contains("TRD")) { // 1-oct-04 | |
223 | fShellThickness = TMath::Sqrt(fLongModuleSize*fLongModuleSize + f2Trd1Dx2*f2Trd1Dx2); | |
224 | fShellThickness += fSteelFrontThick; | |
225 | } | |
226 | } | |
fdebddeb | 227 | |
395c7ba2 | 228 | fZLength = 2.*ZFromEtaR(fIPDistance+fShellThickness,fArm1EtaMax); // Z coverage |
229 | fEnvelop[0] = fIPDistance; // mother volume inner radius | |
230 | fEnvelop[1] = fIPDistance + fShellThickness; // mother volume outer r. | |
231 | fEnvelop[2] = 1.00001*fZLength; // add some padding for mother volume. | |
232 | ||
233 | fgInit = kTRUE; | |
234 | ||
1963b290 | 235 | if (kTRUE) { |
236 | printf("Init: geometry of EMCAL named %s is as follows:\n", name.Data()); | |
905263da | 237 | printf( " ECAL : %d x (%f cm Pb, %f cm Sc) \n", GetNECLayers(), GetECPbRadThick(), GetECScintThick() ) ; |
1963b290 | 238 | if(name.Contains("SHISH")){ |
239 | printf(" fIPDistance %6.3f cm \n", fIPDistance); | |
240 | if(fSteelFrontThick>0.) | |
241 | printf(" fSteelFrontThick %6.3f cm \n", fSteelFrontThick); | |
242 | printf(" fNPhi %i | fNZ %i \n", fNPhi, fNZ); | |
d87bd045 | 243 | printf(" fNCellsInTower %i : fNCellsInSupMod %i : fNCells %i\n",fNCellsInTower, fNCellsInSupMod, fNCells); |
1963b290 | 244 | if(name.Contains("MAY05")){ |
245 | printf(" fFrontSteelStrip %6.4f cm (thickness of front steel strip)\n", | |
246 | fFrontSteelStrip); | |
247 | printf(" fLateralSteelStrip %6.4f cm (thickness of lateral steel strip)\n", | |
248 | fLateralSteelStrip); | |
249 | printf(" fPassiveScintThick %6.4f cm (thickness of front passive Sc tile)\n", | |
250 | fPassiveScintThick); | |
251 | } | |
c63c3c5d | 252 | printf(" X:Y module size %6.3f , %6.3f cm \n", fPhiModuleSize, fEtaModuleSize); |
253 | printf(" X:Y tile size %6.3f , %6.3f cm \n", fPhiTileSize, fEtaTileSize); | |
254 | printf(" #of sampling layers %i(fNECLayers) \n", fNECLayers); | |
255 | printf(" fLongModuleSize %6.3f cm \n", fLongModuleSize); | |
1963b290 | 256 | printf(" #supermodule in phi direction %i \n", fNPhiSuperModule ); |
257 | } | |
258 | if(name.Contains("TRD")) { | |
259 | printf(" fTrd1Angle %7.4f\n", fTrd1Angle); | |
260 | printf(" f2Trd1Dx2 %7.4f\n", f2Trd1Dx2); | |
261 | if(name.Contains("TRD2")) { | |
262 | printf(" fTrd2AngleY %7.4f\n", fTrd2AngleY); | |
263 | printf(" f2Trd2Dy2 %7.4f\n", f2Trd2Dy2); | |
905263da | 264 | printf(" fTubsR %7.2f cm\n", fTubsR); |
1963b290 | 265 | printf(" fTubsTurnAngle %7.4f\n", fTubsTurnAngle); |
905263da | 266 | printf(" fEmptySpace %7.4f cm\n", fEmptySpace); |
267 | } else if(name.Contains("TRD1") && name.Contains("FINAL")){ | |
268 | printf(" fPhiGapForSM %7.4f cm \n", fPhiGapForSM); | |
d87bd045 | 269 | if(name.Contains("110DEG"))printf(" Last two modules have size 10 degree in phi (180<phi<190)\n"); |
1963b290 | 270 | } |
271 | } | |
88cb7938 | 272 | printf("Granularity: %d in eta and %d in phi\n", GetNZ(), GetNPhi()) ; |
1963b290 | 273 | printf("Layout: phi = (%7.1f, %7.1f), eta = (%5.2f, %5.2f), IP = %7.2f\n", |
274 | GetArm1PhiMin(), GetArm1PhiMax(),GetArm1EtaMin(), GetArm1EtaMax(), GetIPDistance() ); | |
88cb7938 | 275 | } |
2012850d | 276 | } |
173558f2 | 277 | |
c63c3c5d | 278 | //______________________________________________________________________ |
279 | ||
280 | void AliEMCALGeometry::CheckAditionalOptions() | |
281 | { // Feb 06,2006 | |
282 | fArrayOpts = new TObjArray; | |
283 | Int_t nopt = ParseString(name, *fArrayOpts); | |
284 | if(nopt==1) { // no aditional option(s) | |
285 | fArrayOpts->Delete(); | |
286 | delete fArrayOpts; | |
287 | fArrayOpts = 0; | |
288 | return; | |
289 | } | |
290 | for(Int_t i=1; i<nopt; i++){ | |
291 | TObjString *o = (TObjString*)fArrayOpts->At(i); | |
292 | ||
293 | TString addOpt = o->String(); | |
294 | Int_t indj=-1; | |
295 | for(Int_t j=0; j<nAdditionalOpts; j++) { | |
296 | TString opt = additionalOpts[j]; | |
297 | if(addOpt.Contains(opt,TString::kIgnoreCase)) { | |
298 | indj = j; | |
299 | break; | |
300 | } | |
301 | } | |
302 | if(indj<0) { | |
303 | printf("<E> option |%s| unavailable : ** look to the file AliEMCALGeometry.h **\n", | |
304 | addOpt.Data()); | |
305 | assert(0); | |
306 | } else { | |
307 | printf("<I> option |%s| is valid : number %i : |%s|\n", | |
308 | addOpt.Data(), indj, additionalOpts[indj]); | |
309 | if (addOpt.Contains("NL=",TString::kIgnoreCase)) {// number of sampling layers | |
310 | sscanf(addOpt.Data(),"NL=%i", &fNECLayers); | |
311 | printf(" fNECLayers %i (new) \n", fNECLayers); | |
312 | } else if(addOpt.Contains("PBTH=",TString::kIgnoreCase)) {//Thickness of the Pb | |
313 | sscanf(addOpt.Data(),"PBTH=%f", &fECPbRadThickness); | |
314 | } else if(addOpt.Contains("SCTH=",TString::kIgnoreCase)) {//Thickness of the Sc | |
315 | sscanf(addOpt.Data(),"SCTH=%f", &fECScintThick); | |
316 | } | |
317 | } | |
318 | } | |
319 | } | |
320 | ||
b13bbe81 | 321 | //______________________________________________________________________ |
322 | AliEMCALGeometry * AliEMCALGeometry::GetInstance(){ | |
05a92d59 | 323 | // Returns the pointer of the unique instance |
324 | ||
325 | return static_cast<AliEMCALGeometry *>( fgGeom ) ; | |
2012850d | 326 | } |
173558f2 | 327 | |
b13bbe81 | 328 | //______________________________________________________________________ |
329 | AliEMCALGeometry* AliEMCALGeometry::GetInstance(const Text_t* name, | |
330 | const Text_t* title){ | |
331 | // Returns the pointer of the unique instance | |
332 | ||
333 | AliEMCALGeometry * rv = 0; | |
334 | if ( fgGeom == 0 ) { | |
335 | if ( strcmp(name,"") == 0 ) rv = 0; | |
336 | else { | |
337 | fgGeom = new AliEMCALGeometry(name, title); | |
338 | if ( fgInit ) rv = (AliEMCALGeometry * ) fgGeom; | |
339 | else { | |
340 | rv = 0; | |
341 | delete fgGeom; | |
342 | fgGeom = 0; | |
343 | } // end if fgInit | |
344 | } // end if strcmp(name,"") | |
345 | }else{ | |
346 | if ( strcmp(fgGeom->GetName(), name) != 0 ) { | |
fdebddeb | 347 | printf("\ncurrent geometry is ") ; |
348 | printf(fgGeom->GetName()); | |
349 | printf("\n you cannot call "); | |
350 | printf(name); | |
b13bbe81 | 351 | }else{ |
9859bfc0 | 352 | rv = (AliEMCALGeometry *) fgGeom; |
b13bbe81 | 353 | } // end if |
354 | } // end if fgGeom | |
355 | return rv; | |
2012850d | 356 | } |
173558f2 | 357 | |
c63c3c5d | 358 | // These methods are obsolete but use in AliEMCALRecPoint - keep it now |
ca8f5bd0 | 359 | //______________________________________________________________________ |
395c7ba2 | 360 | Int_t AliEMCALGeometry::TowerIndex(Int_t ieta,Int_t iphi) const { |
361 | // Returns the tower index number from the based on the Z and Phi | |
fdebddeb | 362 | // index numbers. |
395c7ba2 | 363 | // Inputs: |
fdebddeb | 364 | // Int_t ieta // index along z axis [1-fNZ] |
365 | // Int_t iphi // index along phi axis [1-fNPhi] | |
395c7ba2 | 366 | // Outputs: |
367 | // none. | |
368 | // Returned | |
369 | // Int_t index // Tower index number | |
370 | ||
371 | if ( (ieta <= 0 || ieta>GetNEta()) || | |
f1da4a27 | 372 | (iphi <= 0 || iphi>GetNPhi())) { |
373 | Error("TowerIndex", "Unexpected parameters eta = %d phi = %d!", ieta, iphi) ; | |
374 | return -1; | |
375 | } | |
395c7ba2 | 376 | return ( (iphi - 1)*GetNEta() + ieta ); |
ca8f5bd0 | 377 | } |
173558f2 | 378 | |
ca8f5bd0 | 379 | //______________________________________________________________________ |
fdebddeb | 380 | void AliEMCALGeometry::TowerIndexes(Int_t index,Int_t &ieta,Int_t &iphi) const { |
395c7ba2 | 381 | // Inputs: |
fdebddeb | 382 | // Int_t index // Tower index number [1-fNZ*fNPhi] |
395c7ba2 | 383 | // Outputs: |
384 | // Int_t ieta // index allong z axis [1-fNZ] | |
385 | // Int_t iphi // index allong phi axis [1-fNPhi] | |
395c7ba2 | 386 | // Returned |
387 | // none. | |
395c7ba2 | 388 | |
fdebddeb | 389 | Int_t nindex = 0; |
395c7ba2 | 390 | |
fdebddeb | 391 | if ( IsInECA(index) ) { // ECAL index |
395c7ba2 | 392 | nindex = index ; |
395c7ba2 | 393 | } |
f1da4a27 | 394 | else { |
395 | Error("TowerIndexes", "Unexpected Id number!") ; | |
396 | ieta = -1; | |
397 | iphi = -1; | |
398 | return; | |
399 | } | |
400 | ||
395c7ba2 | 401 | if (nindex%GetNZ()) |
402 | iphi = nindex / GetNZ() + 1 ; | |
403 | else | |
404 | iphi = nindex / GetNZ() ; | |
405 | ieta = nindex - (iphi - 1) * GetNZ() ; | |
406 | ||
407 | if (gDebug==2) | |
fdebddeb | 408 | printf("TowerIndexes: index=%d,%d, ieta=%d, iphi = %d", index, nindex,ieta, iphi) ; |
395c7ba2 | 409 | return; |
410 | ||
ca8f5bd0 | 411 | } |
173558f2 | 412 | |
ca8f5bd0 | 413 | //______________________________________________________________________ |
a34b7b9f | 414 | void AliEMCALGeometry::EtaPhiFromIndex(Int_t index,Float_t &eta,Float_t &phi) const { |
ca8f5bd0 | 415 | // given the tower index number it returns the based on the eta and phi |
416 | // of the tower. | |
417 | // Inputs: | |
fdebddeb | 418 | // Int_t index // Tower index number [1-fNZ*fNPhi] |
ca8f5bd0 | 419 | // Outputs: |
420 | // Float_t eta // eta of center of tower in pseudorapidity | |
421 | // Float_t phi // phi of center of tower in degrees | |
422 | // Returned | |
423 | // none. | |
fdebddeb | 424 | Int_t ieta, iphi; |
395c7ba2 | 425 | Float_t deta, dphi ; |
ca8f5bd0 | 426 | |
fdebddeb | 427 | TowerIndexes(index,ieta,iphi); |
395c7ba2 | 428 | |
429 | if (gDebug == 2) | |
fdebddeb | 430 | printf("EtaPhiFromIndex: index = %d, ieta = %d, iphi = %d", index, ieta, iphi) ; |
395c7ba2 | 431 | |
432 | deta = (GetArm1EtaMax()-GetArm1EtaMin())/(static_cast<Float_t>(GetNEta())); | |
433 | eta = GetArm1EtaMin() + ((static_cast<Float_t>(ieta) - 0.5 ))*deta; | |
434 | ||
435 | dphi = (GetArm1PhiMax() - GetArm1PhiMin())/(static_cast<Float_t>(GetNPhi())); // in degrees. | |
436 | phi = GetArm1PhiMin() + dphi*(static_cast<Float_t>(iphi) - 0.5);//iphi range [1-fNphi]. | |
ca8f5bd0 | 437 | } |
173558f2 | 438 | |
ca8f5bd0 | 439 | //______________________________________________________________________ |
a34b7b9f | 440 | Int_t AliEMCALGeometry::TowerIndexFromEtaPhi(Float_t eta,Float_t phi) const { |
ca8f5bd0 | 441 | // returns the tower index number based on the eta and phi of the tower. |
442 | // Inputs: | |
443 | // Float_t eta // eta of center of tower in pseudorapidity | |
444 | // Float_t phi // phi of center of tower in degrees | |
445 | // Outputs: | |
446 | // none. | |
447 | // Returned | |
448 | // Int_t index // Tower index number [1-fNZ*fNPhi] | |
395c7ba2 | 449 | |
e908f07f | 450 | Int_t ieta,iphi; |
ca8f5bd0 | 451 | |
395c7ba2 | 452 | ieta = static_cast<Int_t> ( 1 + (static_cast<Float_t>(GetNEta()) * (eta - GetArm1EtaMin()) / (GetArm1EtaMax() - GetArm1EtaMin())) ) ; |
453 | ||
454 | if( ieta <= 0 || ieta > GetNEta() ) { | |
455 | Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ; | |
456 | return -1 ; | |
457 | } | |
458 | ||
459 | iphi = static_cast<Int_t> ( 1 + (static_cast<Float_t>(GetNPhi()) * (phi - GetArm1PhiMin()) / (GetArm1PhiMax() - GetArm1PhiMin())) ) ; | |
460 | ||
461 | if( iphi <= 0 || iphi > GetNPhi() ) { | |
462 | Error("TowerIndexFromEtaPhi", "Unexpected (eta, phi) = (%f, %f) value, outside of EMCAL!", eta, phi) ; | |
463 | return -1 ; | |
464 | } | |
465 | ||
466 | return TowerIndex(ieta,iphi); | |
ca8f5bd0 | 467 | } |
173558f2 | 468 | |
ca8f5bd0 | 469 | //______________________________________________________________________ |
a34b7b9f | 470 | Bool_t AliEMCALGeometry::AbsToRelNumbering(Int_t AbsId, Int_t *relid) const { |
ca8f5bd0 | 471 | // Converts the absolute numbering into the following array/ |
2608a1fc | 472 | // relid[0] = Row number inside EMCAL |
473 | // relid[1] = Column number inside EMCAL | |
ca8f5bd0 | 474 | // Input: |
475 | // Int_t AbsId // Tower index number [1-2*fNZ*fNPhi] | |
476 | // Outputs: | |
2608a1fc | 477 | // Int_t *relid // array of 2. Described above. |
ca8f5bd0 | 478 | Bool_t rv = kTRUE ; |
fdebddeb | 479 | Int_t ieta=0,iphi=0,index=AbsId; |
ca8f5bd0 | 480 | |
fdebddeb | 481 | TowerIndexes(index,ieta,iphi); |
2608a1fc | 482 | relid[0] = ieta; |
483 | relid[1] = iphi; | |
ca8f5bd0 | 484 | |
485 | return rv; | |
486 | } | |
173558f2 | 487 | |
ca8f5bd0 | 488 | //______________________________________________________________________ |
395c7ba2 | 489 | void AliEMCALGeometry::PosInAlice(const Int_t *relid, Float_t &theta, Float_t &phi) const |
490 | { | |
491 | // Converts the relative numbering into the local EMCAL-module (x, z) | |
492 | // coordinates | |
2608a1fc | 493 | Int_t ieta = relid[0]; // offset along x axis |
494 | Int_t iphi = relid[1]; // offset along z axis | |
395c7ba2 | 495 | Int_t index; |
496 | Float_t eta; | |
497 | ||
498 | index = TowerIndex(ieta,iphi); | |
499 | EtaPhiFromIndex(index,eta,phi); | |
fdebddeb | 500 | //theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi(); |
501 | theta = 2.0*TMath::ATan(TMath::Exp(-eta)); | |
395c7ba2 | 502 | |
fdebddeb | 503 | // correct for distance to IP |
504 | Float_t d = GetIP2ECASection() - GetIPDistance() ; | |
395c7ba2 | 505 | |
506 | Float_t correction = 1 + d/GetIPDistance() ; | |
507 | Float_t tantheta = TMath::Tan(theta) * correction ; | |
508 | theta = TMath::ATan(tantheta) * TMath::RadToDeg() ; | |
509 | if (theta < 0 ) | |
510 | theta += 180. ; | |
511 | ||
512 | return; | |
513 | } | |
ca8f5bd0 | 514 | |
395c7ba2 | 515 | //______________________________________________________________________ |
09884213 | 516 | void AliEMCALGeometry::PosInAlice(Int_t absid, Float_t &theta, Float_t &phi) const |
395c7ba2 | 517 | { |
518 | // Converts the relative numbering into the local EMCAL-module (x, z) | |
519 | // coordinates | |
2608a1fc | 520 | Int_t relid[2] ; |
395c7ba2 | 521 | AbsToRelNumbering(absid, relid) ; |
2608a1fc | 522 | Int_t ieta = relid[0]; // offset along x axis |
523 | Int_t iphi = relid[1]; // offset along z axis | |
395c7ba2 | 524 | Int_t index; |
525 | Float_t eta; | |
526 | ||
527 | index = TowerIndex(ieta,iphi); | |
528 | EtaPhiFromIndex(index,eta,phi); | |
529 | theta = 2.0*TMath::ATan(TMath::Exp(-eta)) ; | |
530 | ||
fdebddeb | 531 | // correct for distance to IP |
395c7ba2 | 532 | Float_t d = 0. ; |
fdebddeb | 533 | if (IsInECA(absid)) |
88cb7938 | 534 | d = GetIP2ECASection() - GetIPDistance() ; |
f1da4a27 | 535 | else { |
536 | Error("PosInAlice", "Unexpected id # %d!", absid) ; | |
537 | return; | |
538 | } | |
395c7ba2 | 539 | |
540 | Float_t correction = 1 + d/GetIPDistance() ; | |
541 | Float_t tantheta = TMath::Tan(theta) * correction ; | |
542 | theta = TMath::ATan(tantheta) * TMath::RadToDeg() ; | |
543 | if (theta < 0 ) | |
544 | theta += 180. ; | |
545 | ||
546 | return; | |
ca8f5bd0 | 547 | } |
6119e5db | 548 | |
549 | //______________________________________________________________________ | |
550 | void AliEMCALGeometry::XYZFromIndex(const Int_t *relid,Float_t &x,Float_t &y, Float_t &z) const { | |
551 | // given the tower relative number it returns the X, Y and Z | |
552 | // of the tower. | |
553 | ||
554 | // Outputs: | |
555 | // Float_t x // x of center of tower in cm | |
556 | // Float_t y // y of center of tower in cm | |
557 | // Float_t z // z of centre of tower in cm | |
558 | // Returned | |
559 | // none. | |
560 | ||
fdebddeb | 561 | Float_t eta,theta, phi,cylradius=0. ; |
6119e5db | 562 | |
2608a1fc | 563 | Int_t ieta = relid[0]; // offset along x axis |
564 | Int_t iphi = relid[1]; // offset along z axis. | |
6119e5db | 565 | Int_t index; |
566 | ||
395c7ba2 | 567 | index = TowerIndex(ieta,iphi); |
6119e5db | 568 | EtaPhiFromIndex(index,eta,phi); |
569 | theta = 180.*(2.0*TMath::ATan(TMath::Exp(-eta)))/TMath::Pi(); | |
6119e5db | 570 | |
fdebddeb | 571 | cylradius = GetIP2ECASection() ; |
a97849a9 | 572 | |
395c7ba2 | 573 | Double_t kDeg2Rad = TMath::DegToRad() ; |
fdebddeb | 574 | x = cylradius * TMath::Cos(phi * kDeg2Rad ) ; |
575 | y = cylradius * TMath::Sin(phi * kDeg2Rad ) ; | |
576 | z = cylradius / TMath::Tan(theta * kDeg2Rad ) ; | |
6119e5db | 577 | |
578 | return; | |
579 | } | |
580 | ||
395c7ba2 | 581 | //______________________________________________________________________ |
09884213 | 582 | void AliEMCALGeometry::XYZFromIndex(Int_t absid, TVector3 &v) const { |
395c7ba2 | 583 | // given the tower relative number it returns the X, Y and Z |
584 | // of the tower. | |
585 | ||
586 | // Outputs: | |
587 | // Float_t x // x of center of tower in cm | |
588 | // Float_t y // y of center of tower in cm | |
589 | // Float_t z // z of centre of tower in cm | |
590 | // Returned | |
591 | // none. | |
592 | ||
fdebddeb | 593 | Float_t theta, phi,cylradius=0. ; |
395c7ba2 | 594 | |
595 | PosInAlice(absid, theta, phi) ; | |
596 | ||
88cb7938 | 597 | if ( IsInECA(absid) ) |
fdebddeb | 598 | cylradius = GetIP2ECASection() ; |
f1da4a27 | 599 | else { |
600 | Error("XYZFromIndex", "Unexpected Tower section") ; | |
601 | return; | |
602 | } | |
395c7ba2 | 603 | |
604 | Double_t kDeg2Rad = TMath::DegToRad() ; | |
fdebddeb | 605 | v.SetX(cylradius * TMath::Cos(phi * kDeg2Rad ) ); |
606 | v.SetY(cylradius * TMath::Sin(phi * kDeg2Rad ) ); | |
607 | v.SetZ(cylradius / TMath::Tan(theta * kDeg2Rad ) ) ; | |
395c7ba2 | 608 | |
609 | return; | |
610 | } | |
ab37d09c | 611 | |
612 | Bool_t AliEMCALGeometry::IsInEMCAL(Double_t x, Double_t y, Double_t z) const { | |
613 | // Checks whether point is inside the EMCal volume | |
614 | // | |
615 | // Code uses cylindrical approximation made of inner radius (for speed) | |
616 | // | |
617 | // Points behind EMCAl, i.e. R > outer radius, but eta, phi in acceptance | |
618 | // are considered to inside | |
619 | ||
620 | Double_t r=sqrt(x*x+y*y); | |
621 | ||
622 | if ( r > fEnvelop[0] ) { | |
623 | Double_t theta; | |
624 | theta = TMath::ATan2(r,z); | |
625 | Double_t eta; | |
626 | if(theta == 0) | |
627 | eta = 9999; | |
628 | else | |
629 | eta = -TMath::Log(TMath::Tan(theta/2.)); | |
630 | if (eta < fArm1EtaMin || eta > fArm1EtaMax) | |
631 | return 0; | |
632 | ||
633 | Double_t phi = TMath::ATan2(y,x) * 180./TMath::Pi(); | |
634 | if (phi > fArm1PhiMin && phi < fArm1PhiMax) | |
635 | return 1; | |
636 | } | |
637 | return 0; | |
638 | } | |
c63c3c5d | 639 | // == |
1963b290 | 640 | |
641 | // | |
642 | // == Shish-kebab cases == | |
643 | // | |
eb0b1051 | 644 | Int_t AliEMCALGeometry::GetAbsCellId(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta) |
d87bd045 | 645 | { // 27-aug-04; |
646 | // corr. 21-sep-04; | |
647 | // 13-oct-05; 110 degree case | |
648 | // 1 <= nSupMod <= fNumberOfSuperModules | |
649 | // 1 <= nTower <= fNPHI * fNZ ( fNPHI * fNZ/2 for fKey110DEG=1) | |
650 | // 1 <= nIphi <= fNPHIdiv | |
651 | // 1 <= nIeta <= fNETAdiv | |
652 | // 1 <= absid <= fNCells | |
653 | static Int_t id=0; // have to change from 1 to fNCells | |
654 | if(fKey110DEG == 1 && nSupMod > 10) { // 110 degree case; last two supermodules | |
655 | id = fNCellsInSupMod*10 + (fNCellsInSupMod/2)*(nSupMod-11); | |
656 | } else { | |
657 | id = fNCellsInSupMod*(nSupMod-1); | |
658 | } | |
1963b290 | 659 | id += fNCellsInTower *(nTower-1); |
660 | id += fNPHIdiv *(nIphi-1); | |
661 | id += nIeta; | |
662 | if(id<=0 || id > fNCells) { | |
500aeccc | 663 | // printf(" wrong numerations !!\n"); |
664 | // printf(" id %6i(will be force to -1)\n", id); | |
665 | // printf(" fNCells %6i\n", fNCells); | |
666 | // printf(" nSupMod %6i\n", nSupMod); | |
667 | // printf(" nTower %6i\n", nTower); | |
668 | // printf(" nIphi %6i\n", nIphi); | |
669 | // printf(" nIeta %6i\n", nIeta); | |
d87bd045 | 670 | id = -TMath::Abs(id); |
1963b290 | 671 | } |
672 | return id; | |
673 | } | |
674 | ||
675 | Bool_t AliEMCALGeometry::CheckAbsCellId(Int_t ind) | |
676 | { // 17-niv-04 - analog of IsInECA | |
677 | if(name.Contains("TRD")) { | |
678 | if(ind<=0 || ind > fNCells) return kFALSE; | |
679 | else return kTRUE; | |
680 | } else return IsInECA(ind); | |
681 | } | |
682 | ||
eb0b1051 | 683 | Bool_t AliEMCALGeometry::GetCellIndex(Int_t absId,Int_t &nSupMod,Int_t &nTower,Int_t &nIphi,Int_t &nIeta) |
1963b290 | 684 | { // 21-sep-04 |
d87bd045 | 685 | // 19-oct-05; |
686 | static Int_t tmp=0, sm10=0; | |
1963b290 | 687 | if(absId<=0 || absId>fNCells) { |
500aeccc | 688 | // Info("GetCellIndex"," wrong abs Id %i !! \n", absId); |
1963b290 | 689 | return kFALSE; |
690 | } | |
d87bd045 | 691 | sm10 = fNCellsInSupMod*10; |
692 | if(fKey110DEG == 1 && absId > sm10) { // 110 degree case; last two supermodules | |
693 | nSupMod = (absId-1-sm10) / (fNCellsInSupMod/2) + 11; | |
694 | tmp = (absId-1-sm10) % (fNCellsInSupMod/2); | |
695 | } else { | |
696 | nSupMod = (absId-1) / fNCellsInSupMod + 1; | |
697 | tmp = (absId-1) % fNCellsInSupMod; | |
698 | } | |
1963b290 | 699 | |
700 | nTower = tmp / fNCellsInTower + 1; | |
701 | tmp = tmp % fNCellsInTower; | |
d87bd045 | 702 | nIphi = tmp / fNPHIdiv + 1; |
703 | nIeta = tmp % fNPHIdiv + 1; | |
1963b290 | 704 | |
705 | return kTRUE; | |
706 | } | |
707 | ||
eb0b1051 | 708 | void AliEMCALGeometry::GetTowerPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, int &iphit, int &ietat) |
d87bd045 | 709 | { // added nSupMod; have to check - 19-oct-05 ! |
710 | static Int_t nphi; | |
711 | ||
712 | if(fKey110DEG == 1 && nSupMod>=11) nphi = fNPhi/2; | |
713 | else nphi = fNPhi; | |
714 | ||
715 | ietat = (nTower-1)/nphi + 1; // have to change from 1 to fNZ | |
d87bd045 | 716 | iphit = (nTower-1)%nphi + 1; // have to change from 1 to fNPhi |
717 | } | |
718 | ||
eb0b1051 | 719 | void AliEMCALGeometry::GetCellPhiEtaIndexInSModule(Int_t nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta, |
1963b290 | 720 | int &iphi, int &ieta) |
c01485dd | 721 | { // added nSupMod; Nov 25, 05 |
722 | static Int_t iphit, ietat; | |
723 | ||
724 | GetTowerPhiEtaIndexInSModule(nSupMod,nTower, iphit, ietat); | |
725 | // have to change from 1 to fNZ*fNETAdiv | |
726 | ieta = (ietat-1)*fNETAdiv + (3-nIeta); // x(module) = -z(SM) | |
727 | // iphi - have to change from 1 to fNPhi*fNPHIdiv | |
728 | iphi = (iphit-1)*fNPHIdiv + nIphi; // y(module) = y(SM) | |
1963b290 | 729 | } |
c63c3c5d | 730 | // Service routine |
731 | int AliEMCALGeometry::ParseString(const TString &topt, TObjArray &Opt) | |
732 | { // Feb 06, 2006 | |
733 | Ssiz_t begin, index, end, end2; | |
734 | begin = index = end = end2 = 0; | |
735 | TRegexp separator("[^ ;,\\t\\s/]+"); | |
736 | while ( (begin < topt.Length()) && (index != kNPOS) ) { | |
737 | // loop over given options | |
738 | index = topt.Index(separator,&end,begin); | |
739 | if (index >= 0 && end >= 1) { | |
740 | TString substring(topt(index,end)); | |
741 | Opt.Add(new TObjString(substring.Data())); | |
742 | } | |
743 | begin += end+1; | |
744 | } | |
745 | return Opt.GetEntries(); | |
746 | } |