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4c039060 | 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 | **************************************************************************/ | |
b2a60966 | 15 | /* $Id$ */ |
16 | ||
d15a28e7 | 17 | //_________________________________________________________________________ |
b2a60966 | 18 | // Base Class for PHOS description: |
19 | // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged | |
20 | // particles detector (CPV or PPSD). | |
21 | // The only provided method here is CreateMaterials, | |
22 | // which defines the materials common to all PHOS versions. | |
23 | // | |
24 | //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) | |
d15a28e7 | 25 | ////////////////////////////////////////////////////////////////////////////// |
e84be1eb | 26 | |
fdeead01 | 27 | |
fe4da5cc | 28 | // --- ROOT system --- |
2ab0c725 | 29 | class TFile; |
88cb7938 | 30 | #include <TFolder.h> |
88cb7938 | 31 | #include <TTree.h> |
32 | #include <TVirtualMC.h> | |
046ae904 | 33 | #include <TH1F.h> |
34 | #include <TF1.h> | |
e9a5efdf | 35 | #include <TRandom.h> |
fe4da5cc | 36 | |
37 | // --- Standard library --- | |
d15a28e7 | 38 | |
548f0134 | 39 | // --- AliRoot header files --- |
94de3818 | 40 | #include "AliMagF.h" |
88cb7938 | 41 | #include "AliPHOS.h" |
e9a5efdf | 42 | #include "AliPHOSGetter.h" |
85a5290f | 43 | #include "AliRun.h" |
44 | #include "AliPHOSDigitizer.h" | |
45 | #include "AliPHOSSDigitizer.h" | |
65792ca0 | 46 | #include "AliPHOSDigit.h" |
47 | #include "AliAltroBuffer.h" | |
7f78a025 | 48 | |
fe4da5cc | 49 | ClassImp(AliPHOS) |
0ce0b56f | 50 | //____________________________________________________________________________ |
046ae904 | 51 | AliPHOS:: AliPHOS() : AliDetector() |
6b87d0dd | 52 | { |
a532e9d8 | 53 | // Default ctor |
046ae904 | 54 | fName = "PHOS" ; |
2685bf00 | 55 | fQATask = 0; |
56 | fTreeQA = 0; | |
3d60069b | 57 | fDebug = 0; |
6b87d0dd | 58 | } |
fa7cce36 | 59 | |
6b87d0dd | 60 | //____________________________________________________________________________ |
046ae904 | 61 | AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title) |
6b87d0dd | 62 | { |
a532e9d8 | 63 | // ctor : title is used to identify the layout |
64 | ||
046ae904 | 65 | fQATask = 0 ; |
66 | fTreeQA = 0 ; | |
67 | fDebug = 0 ; | |
68 | fTimeMax = 1.28E-5 ; | |
69 | fTimePeak = 2.0E-6 ; | |
70 | fTimeRes = 1.5E-6 ; | |
71 | fHighGainFactor = 40; | |
72 | fHighGainOffset = 0x200 ; | |
6b87d0dd | 73 | } |
fa7cce36 | 74 | |
0ce0b56f | 75 | //____________________________________________________________________________ |
7b326aac | 76 | AliPHOS::~AliPHOS() |
77 | { | |
0ce0b56f | 78 | } |
79 | ||
780fda6d | 80 | //____________________________________________________________________________ |
81 | void AliPHOS::Copy(AliPHOS & phos) | |
82 | { | |
7f78a025 | 83 | // copy method to be used byy the cpy ctor |
780fda6d | 84 | TObject::Copy(phos) ; |
85 | // fQATask = AliPHOSQAChecker::Copy(*(phos.fQATask)) ; | |
86 | phos.fTreeQA = fTreeQA->CloneTree() ; | |
87 | } | |
88 | ||
487d23e3 | 89 | //____________________________________________________________________________ |
90 | AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const | |
91 | { | |
92 | return new AliPHOSDigitizer(manager); | |
93 | } | |
94 | ||
d15a28e7 | 95 | //____________________________________________________________________________ |
fe4da5cc | 96 | void AliPHOS::CreateMaterials() |
97 | { | |
b2a60966 | 98 | // Definitions of materials to build PHOS and associated tracking media. |
99 | // media number in idtmed are 699 to 798. | |
fe4da5cc | 100 | |
d15a28e7 | 101 | // --- The PbWO4 crystals --- |
92862013 | 102 | Float_t aX[3] = {207.19, 183.85, 16.0} ; |
103 | Float_t zX[3] = {82.0, 74.0, 8.0} ; | |
104 | Float_t wX[3] = {1.0, 1.0, 4.0} ; | |
105 | Float_t dX = 8.28 ; | |
fe4da5cc | 106 | |
92862013 | 107 | AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ; |
fe4da5cc | 108 | |
fe4da5cc | 109 | |
d15a28e7 | 110 | // --- The polysterene scintillator (CH) --- |
92862013 | 111 | Float_t aP[2] = {12.011, 1.00794} ; |
112 | Float_t zP[2] = {6.0, 1.0} ; | |
113 | Float_t wP[2] = {1.0, 1.0} ; | |
114 | Float_t dP = 1.032 ; | |
fe4da5cc | 115 | |
92862013 | 116 | AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ; |
fe4da5cc | 117 | |
d15a28e7 | 118 | // --- Aluminium --- |
119 | AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
120 | // --- Absorption length is ignored ^ | |
fe4da5cc | 121 | |
d15a28e7 | 122 | // --- Tyvek (CnH2n) --- |
92862013 | 123 | Float_t aT[2] = {12.011, 1.00794} ; |
124 | Float_t zT[2] = {6.0, 1.0} ; | |
125 | Float_t wT[2] = {1.0, 2.0} ; | |
126 | Float_t dT = 0.331 ; | |
fe4da5cc | 127 | |
92862013 | 128 | AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ; |
fe4da5cc | 129 | |
d15a28e7 | 130 | // --- Polystyrene foam --- |
92862013 | 131 | Float_t aF[2] = {12.011, 1.00794} ; |
132 | Float_t zF[2] = {6.0, 1.0} ; | |
133 | Float_t wF[2] = {1.0, 1.0} ; | |
134 | Float_t dF = 0.12 ; | |
fe4da5cc | 135 | |
92862013 | 136 | AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ; |
fe4da5cc | 137 | |
d15a28e7 | 138 | // --- Titanium --- |
92862013 | 139 | Float_t aTIT[3] = {47.88, 26.98, 54.94} ; |
140 | Float_t zTIT[3] = {22.0, 13.0, 25.0} ; | |
141 | Float_t wTIT[3] = {69.0, 6.0, 1.0} ; | |
142 | Float_t dTIT = 4.5 ; | |
fe4da5cc | 143 | |
92862013 | 144 | AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT); |
fe4da5cc | 145 | |
d15a28e7 | 146 | // --- Silicon --- |
147 | AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ; | |
fe4da5cc | 148 | |
fe4da5cc | 149 | |
fe4da5cc | 150 | |
d15a28e7 | 151 | // --- Foam thermo insulation --- |
92862013 | 152 | Float_t aTI[2] = {12.011, 1.00794} ; |
153 | Float_t zTI[2] = {6.0, 1.0} ; | |
154 | Float_t wTI[2] = {1.0, 1.0} ; | |
85218d13 | 155 | Float_t dTI = 0.04 ; |
fe4da5cc | 156 | |
92862013 | 157 | AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ; |
fe4da5cc | 158 | |
d15a28e7 | 159 | // --- Textolitn --- |
92862013 | 160 | Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ; |
161 | Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ; | |
162 | Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ; | |
163 | Float_t dTX = 1.75 ; | |
fe4da5cc | 164 | |
92862013 | 165 | AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ; |
fe4da5cc | 166 | |
d15a28e7 | 167 | //--- FR4 --- |
92862013 | 168 | Float_t aFR[3] = {28.0855, 15.9994, 17.749} ; |
169 | Float_t zFR[3] = {14., 8., 8.875} ; | |
170 | Float_t wFR[3] = {.28, .32, .4} ; | |
171 | Float_t dFR = 1.8 ; | |
fe4da5cc | 172 | |
92862013 | 173 | AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ; |
fe4da5cc | 174 | |
d15a28e7 | 175 | // --- The Composite Material for micromegas (so far polyetylene) --- |
92862013 | 176 | Float_t aCM[2] = {12.01, 1.} ; |
177 | Float_t zCM[2] = {6., 1.} ; | |
178 | Float_t wCM[2] = {1., 2.} ; | |
179 | Float_t dCM = 0.935 ; | |
fe4da5cc | 180 | |
92862013 | 181 | AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ; |
fe4da5cc | 182 | |
d15a28e7 | 183 | // --- Copper --- |
184 | AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ; | |
185 | ||
186 | // --- G10 : Printed Circuit material --- | |
92862013 | 187 | Float_t aG10[4] = { 12., 1., 16., 28.} ; |
188 | Float_t zG10[4] = { 6., 1., 8., 14.} ; | |
189 | Float_t wG10[4] = { .259, .288, .248, .205} ; | |
190 | Float_t dG10 = 1.7 ; | |
d15a28e7 | 191 | |
92862013 | 192 | AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10); |
fe4da5cc | 193 | |
d15a28e7 | 194 | // --- Lead --- |
195 | AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
fe4da5cc | 196 | |
d15a28e7 | 197 | // --- The gas mixture --- |
198 | // Co2 | |
92862013 | 199 | Float_t aCO[2] = {12.0, 16.0} ; |
200 | Float_t zCO[2] = {6.0, 8.0} ; | |
201 | Float_t wCO[2] = {1.0, 2.0} ; | |
202 | Float_t dCO = 0.001977 ; | |
fe4da5cc | 203 | |
92862013 | 204 | AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO); |
fe4da5cc | 205 | |
d15a28e7 | 206 | // Ar |
92862013 | 207 | Float_t dAr = 0.001782 ; |
208 | AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ; | |
d15a28e7 | 209 | |
210 | // ArCo2 | |
00d6d986 | 211 | Char_t namate[21]=""; |
92862013 | 212 | Float_t aGM[2] ; |
213 | Float_t zGM[2] ; | |
214 | Float_t wGM[2] ; | |
215 | Float_t dGM ; | |
fe4da5cc | 216 | |
92862013 | 217 | Float_t absL, radL, density ; |
d15a28e7 | 218 | Float_t buf[1] ; |
219 | Int_t nbuf ; | |
bc9ab547 | 220 | |
92862013 | 221 | gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar |
222 | gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2 | |
bc9ab547 | 223 | |
fe4da5cc | 224 | |
d15a28e7 | 225 | // Create gas mixture |
fe4da5cc | 226 | |
92862013 | 227 | Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%) |
d15a28e7 | 228 | |
92862013 | 229 | wGM[0] = arContent; |
230 | wGM[1] = 1. - arContent ; | |
231 | dGM = wGM[0] * dAr + wGM[1] * dCO; | |
fe4da5cc | 232 | |
a7262d8e | 233 | |
92862013 | 234 | AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ; |
fe4da5cc | 235 | |
a530ba0a | 236 | // --- Stainless steel (let it be pure iron) --- |
237 | AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ; | |
85218d13 | 238 | |
239 | ||
240 | // --- Fiberglass --- | |
241 | Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ; | |
242 | Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ; | |
243 | Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ; | |
244 | Float_t dFG = 1.9 ; | |
245 | ||
246 | AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ; | |
247 | ||
248 | // --- Cables in Air box --- | |
249 | // SERVICES | |
250 | ||
251 | Float_t aCA[4] = { 1.,12.,55.8,63.5 }; | |
252 | Float_t zCA[4] = { 1.,6.,26.,29. }; | |
253 | Float_t wCA[4] = { .014,.086,.42,.48 }; | |
254 | Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct | |
255 | ||
256 | AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ; | |
257 | ||
258 | ||
d15a28e7 | 259 | // --- Air --- |
a7262d8e | 260 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; |
261 | Float_t zAir[4]={6.,7.,8.,18.}; | |
262 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
263 | Float_t dAir = 1.20479E-3; | |
d15a28e7 | 264 | |
a7262d8e | 265 | AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ; |
266 | ||
d15a28e7 | 267 | // DEFINITION OF THE TRACKING MEDIA |
fe4da5cc | 268 | |
d15a28e7 | 269 | // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100] |
270 | Int_t * idtmed = fIdtmed->GetArray() - 699 ; | |
92862013 | 271 | Int_t isxfld = gAlice->Field()->Integ() ; |
272 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
fe4da5cc | 273 | |
d15a28e7 | 274 | // The scintillator of the calorimeter made of PBW04 -> idtmed[699] |
275 | AliMedium(0, "PHOS Xtal $", 0, 1, | |
92862013 | 276 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 277 | |
d15a28e7 | 278 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700] |
279 | AliMedium(1, "CPV scint. $", 1, 1, | |
92862013 | 280 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 281 | |
d15a28e7 | 282 | // Various Aluminium parts made of Al -> idtmed[701] |
283 | AliMedium(2, "Al parts $", 2, 0, | |
92862013 | 284 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 285 | |
d15a28e7 | 286 | // The Tywek which wraps the calorimeter crystals -> idtmed[702] |
287 | AliMedium(3, "Tyvek wrapper$", 3, 0, | |
92862013 | 288 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
fe4da5cc | 289 | |
d15a28e7 | 290 | // The Polystyrene foam around the calorimeter module -> idtmed[703] |
291 | AliMedium(4, "Polyst. foam $", 4, 0, | |
92862013 | 292 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 293 | |
d15a28e7 | 294 | // The Titanium around the calorimeter crystal -> idtmed[704] |
295 | AliMedium(5, "Titan. cover $", 5, 0, | |
92862013 | 296 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ; |
fe4da5cc | 297 | |
d15a28e7 | 298 | // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705] |
299 | AliMedium(6, "Si PIN $", 6, 0, | |
7b326aac | 300 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ; |
fe4da5cc | 301 | |
d15a28e7 | 302 | // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706] |
303 | AliMedium(7, "Thermo Insul.$", 7, 0, | |
92862013 | 304 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 305 | |
d15a28e7 | 306 | // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707] |
307 | AliMedium(8, "Textolit $", 8, 0, | |
92862013 | 308 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 309 | |
d15a28e7 | 310 | // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708] |
311 | AliMedium(9, "FR4 $", 9, 0, | |
92862013 | 312 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 313 | |
fe4da5cc | 314 | |
d15a28e7 | 315 | // The Composite Material for micromegas -> idtmed[709] |
316 | AliMedium(10, "CompoMat $", 10, 0, | |
92862013 | 317 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 318 | |
d15a28e7 | 319 | // Copper -> idtmed[710] |
320 | AliMedium(11, "Copper $", 11, 0, | |
92862013 | 321 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; |
fe4da5cc | 322 | |
d15a28e7 | 323 | // G10: Printed Circuit material -> idtmed[711] |
324 | ||
325 | AliMedium(12, "G10 $", 12, 0, | |
92862013 | 326 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
fe4da5cc | 327 | |
d15a28e7 | 328 | // The Lead -> idtmed[712] |
329 | ||
330 | AliMedium(13, "Lead $", 13, 0, | |
92862013 | 331 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
fe4da5cc | 332 | |
d15a28e7 | 333 | // The gas mixture: ArCo2 -> idtmed[715] |
334 | ||
335 | AliMedium(16, "ArCo2 $", 16, 1, | |
92862013 | 336 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; |
d15a28e7 | 337 | |
a530ba0a | 338 | // Stainless steel -> idtmed[716] |
339 | AliMedium(17, "Steel $", 17, 0, | |
340 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; | |
341 | ||
85218d13 | 342 | // Fibergalss -> idtmed[717] |
343 | AliMedium(18, "Fiberglass$", 18, 0, | |
344 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
345 | ||
346 | // Cables in air -> idtmed[718] | |
347 | AliMedium(19, "Cables $", 19, 0, | |
348 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; | |
349 | ||
d15a28e7 | 350 | // Air -> idtmed[798] |
351 | AliMedium(99, "Air $", 99, 0, | |
92862013 | 352 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
fe4da5cc | 353 | |
d15a28e7 | 354 | // --- Set decent energy thresholds for gamma and electron tracking |
fe4da5cc | 355 | |
d15a28e7 | 356 | // Tracking threshold for photons and electrons in the scintillator crystal |
357 | gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; | |
358 | gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ; | |
9f616d61 | 359 | |
d15a28e7 | 360 | // --- Generate explicitly delta rays in the titan cover --- |
361 | gMC->Gstpar(idtmed[704], "LOSS",3.) ; | |
362 | gMC->Gstpar(idtmed[704], "DRAY",1.) ; | |
d15a28e7 | 363 | // --- and in aluminium parts --- |
364 | gMC->Gstpar(idtmed[701], "LOSS",3.) ; | |
365 | gMC->Gstpar(idtmed[701], "DRAY",1.) ; | |
92862013 | 366 | // --- and in PIN diode |
367 | gMC->Gstpar(idtmed[705], "LOSS",3) ; | |
368 | gMC->Gstpar(idtmed[705], "DRAY",1) ; | |
369 | // --- and in the passive convertor | |
370 | gMC->Gstpar(idtmed[712], "LOSS",3) ; | |
371 | gMC->Gstpar(idtmed[712], "DRAY",1) ; | |
372 | // Tracking threshold for photons and electrons in the gas ArC02 | |
b7101219 | 373 | gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ; |
374 | gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ; | |
375 | gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ; | |
376 | gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ; | |
377 | gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ; | |
378 | gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ; | |
379 | gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ; | |
380 | gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ; | |
381 | gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ; | |
382 | gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ; | |
9f616d61 | 383 | gMC->Gstpar(idtmed[715], "LOSS",2.) ; |
384 | gMC->Gstpar(idtmed[715], "DRAY",0.) ; | |
385 | gMC->Gstpar(idtmed[715], "STRA",2.) ; | |
386 | ||
0c409cb2 | 387 | } |
a532e9d8 | 388 | |
65792ca0 | 389 | //____________________________________________________________________________ |
390 | void AliPHOS::Digits2Raw() | |
391 | { | |
392 | // convert digits of the current event to raw data | |
393 | ||
394 | // get the digits | |
e9a5efdf | 395 | AliPHOSGetter * gime = AliPHOSGetter::Instance(AliRunLoader::GetGAliceName()) ; |
396 | if (!gime) { | |
397 | Error("Digits2Raw", "PHOS Getter not instantiated") ; | |
398 | return ; | |
399 | } | |
400 | gime->Event(gime->EventNumber(), "D") ; | |
401 | TClonesArray* digits = gime->Digits() ; | |
402 | ||
65792ca0 | 403 | if (!digits) { |
e9a5efdf | 404 | Error("Digits2Raw", "no digits found !"); |
65792ca0 | 405 | return; |
406 | } | |
407 | ||
408 | // get the geometry | |
e9a5efdf | 409 | AliPHOSGeometry* geom = gime->PHOSGeometry(); |
65792ca0 | 410 | if (!geom) { |
e9a5efdf | 411 | Error("Digits2Raw", "no geometry found !"); |
65792ca0 | 412 | return; |
413 | } | |
414 | ||
415 | // some digitization constants | |
046ae904 | 416 | const Int_t kDDLOffset = 0x600; // assigned to PHOS |
417 | const Int_t kThreshold = 3; // skip digits below this threshold | |
65792ca0 | 418 | |
419 | AliAltroBuffer* buffer = NULL; | |
420 | Int_t prevDDL = -1; | |
046ae904 | 421 | Int_t adcValuesLow[fkTimeBins]; |
422 | Int_t adcValuesHigh[fkTimeBins]; | |
65792ca0 | 423 | |
424 | // loop over digits (assume ordered digits) | |
425 | for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) { | |
e9a5efdf | 426 | AliPHOSDigit* digit = gime->Digit(iDigit); |
427 | if (digit->GetAmp() < kThreshold) | |
428 | continue; | |
65792ca0 | 429 | Int_t relId[4]; |
430 | geom->AbsToRelNumbering(digit->GetId(), relId); | |
431 | Int_t module = relId[0]; | |
e9a5efdf | 432 | |
433 | // Begin FIXME | |
434 | if (relId[1] != 0) | |
435 | continue; // ignore digits from CPV | |
436 | // End FIXME | |
437 | ||
438 | // PHOS EMCA has 4 DDL per module. Splitting is done based on the row number | |
65792ca0 | 439 | Int_t iDDL = 4 * (module - 1) + (4 * (relId[2] - 1)) / geom->GetNPhi(); |
440 | ||
441 | // new DDL | |
442 | if (iDDL != prevDDL) { | |
443 | // write real header and close previous file | |
444 | if (buffer) { | |
445 | buffer->Flush(); | |
446 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
447 | delete buffer; | |
448 | } | |
449 | ||
450 | // open new file and write dummy header | |
e9a5efdf | 451 | TString fileName("PHOS_") ; |
452 | fileName += (iDDL + kDDLOffset) ; | |
453 | fileName += ".ddl" ; | |
454 | buffer = new AliAltroBuffer(fileName.Data(), 1); | |
65792ca0 | 455 | buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy; |
456 | ||
457 | prevDDL = iDDL; | |
458 | } | |
459 | ||
460 | // out of time range signal (?) | |
046ae904 | 461 | if (digit->GetTimeR() > fTimeMax) { |
65792ca0 | 462 | buffer->FillBuffer(digit->GetAmp()); |
046ae904 | 463 | buffer->FillBuffer(fkTimeBins); // time bin |
65792ca0 | 464 | buffer->FillBuffer(3); // bunch length |
465 | buffer->WriteTrailer(3, relId[3], relId[2], module); // trailer | |
466 | ||
467 | // simulate linear rise and gaussian decay of signal | |
468 | } else { | |
046ae904 | 469 | Bool_t highGain = RawSampledResponse(digit->GetTimeR(), digit->GetAmp(), adcValuesHigh, adcValuesLow) ; |
470 | ||
471 | ||
65792ca0 | 472 | // write low and eventually high gain channel |
473 | buffer->WriteChannel(relId[3], relId[2], module, | |
046ae904 | 474 | fkTimeBins, adcValuesLow, kThreshold); |
65792ca0 | 475 | if (highGain) { |
046ae904 | 476 | buffer->WriteChannel(relId[3], relId[2], module + fHighGainOffset, |
477 | fkTimeBins, adcValuesHigh, 1); | |
65792ca0 | 478 | } |
479 | } | |
480 | } | |
046ae904 | 481 | |
65792ca0 | 482 | // write real header and close last file |
483 | if (buffer) { | |
484 | buffer->Flush(); | |
485 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
486 | delete buffer; | |
487 | } | |
046ae904 | 488 | |
e9a5efdf | 489 | gime->PhosLoader()->UnloadDigits(); |
490 | } | |
491 | ||
492 | //____________________________________________________________________________ | |
493 | void AliPHOS::Hits2SDigits() | |
494 | { | |
495 | // create summable digits | |
496 | ||
497 | AliPHOSSDigitizer* phosDigitizer = | |
498 | new AliPHOSSDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; | |
499 | phosDigitizer->SetEventRange(0, -1) ; // do all the events | |
500 | phosDigitizer->ExecuteTask("all") ; | |
501 | } | |
502 | ||
503 | //____________________________________________________________________________ | |
504 | AliLoader* AliPHOS::MakeLoader(const char* topfoldername) | |
505 | { | |
506 | //different behaviour than standard (singleton getter) | |
507 | // --> to be discussed and made eventually coherent | |
508 | fLoader = new AliPHOSLoader(GetName(),topfoldername); | |
509 | return fLoader; | |
510 | } | |
511 | ||
046ae904 | 512 | //__________________________________________________________________ |
513 | Double_t AliPHOS::RawResponseFunction(Double_t *x, Double_t *par) | |
514 | { | |
515 | // Shape of the electronics raw reponse: | |
516 | // 1. the signal rises linearly from par[4] to par[1] to reach the maximu par[3] | |
517 | // 2. the signal decays with a gaussian shape for par[4]+par[1] with a sigma of par[2] | |
518 | ||
519 | Float_t xx = x[0] ; | |
520 | ||
521 | Double_t signal = 0. ; | |
522 | ||
523 | if (xx < par[4] + par[1]) // signal is rising | |
524 | signal = (gRandom->Rndm() + par[3]) * (xx - par[4]) / (par[1] - par[4]) ; | |
525 | else // signal is decaying | |
526 | signal = (gRandom->Rndm() + par[3]) * TMath::Gaus(xx, par[4] + par[1], par[2]) ; | |
527 | ||
528 | return signal < 0. ? 0. : signal ; | |
529 | } | |
530 | ||
531 | //__________________________________________________________________ | |
532 | Bool_t AliPHOS::RawSampledResponse(const Float_t dtime, const Int_t damp, Int_t * adcH, Int_t * adcL) const | |
533 | { | |
534 | // for a start time dtime and an amplitude damp given by digit, | |
535 | // calculates the raw sampled response | |
536 | ||
537 | const Int_t kRawSignalOverflow = 0x3FF ; | |
538 | Bool_t highGain = kFALSE ; | |
539 | ||
540 | TF1 f1("signal", RawResponseFunction, 0, fkTimeBins, 5); | |
541 | ||
542 | f1.SetParNames("Time Max", "Peaking time", "Decay width", "Amp max", "Start time") ; | |
543 | f1.SetParameter(0, fTimeMax) ; | |
544 | f1.SetParameter(1, fTimePeak) ; | |
545 | f1.SetParameter(2, fTimeRes) ; | |
546 | f1.SetParameter(3, damp) ; | |
547 | f1.SetParameter(4, dtime) ; | |
548 | ||
549 | for (Int_t iTime = 0; iTime < fkTimeBins; iTime++) { | |
550 | Double_t time = iTime * fTimeMax/fkTimeBins; | |
551 | Double_t signal = f1.Eval(time) ; | |
552 | adcL[iTime] = static_cast<Int_t>(signal + 0.5) ; | |
553 | if ( adcL[iTime] > kRawSignalOverflow) // larger than 10 bits | |
554 | adcL[iTime] = kRawSignalOverflow ; | |
555 | adcH[iTime] = static_cast<Int_t>(0.5 + (signal / fHighGainFactor)) ; | |
556 | if (adcH[iTime] > 0) | |
557 | highGain = kTRUE; | |
558 | } | |
559 | return highGain ; | |
560 | } | |
561 | ||
e9a5efdf | 562 | //____________________________________________________________________________ |
563 | void AliPHOS::SetTreeAddress() | |
564 | { | |
565 | // Links Hits in the Tree to Hits array | |
566 | TBranch *branch; | |
567 | char branchname[20]; | |
568 | sprintf(branchname,"%s",GetName()); | |
569 | ||
570 | // Branch address for hit tree | |
571 | TTree *treeH = TreeH(); | |
572 | if (treeH) { | |
573 | branch = treeH->GetBranch(branchname); | |
574 | if (branch) | |
575 | { | |
576 | if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000); | |
577 | //Info("SetTreeAddress","<%s> Setting Hits Address",GetName()); | |
578 | branch->SetAddress(&fHits); | |
579 | } | |
580 | } | |
581 | } | |
582 | ||
583 | //____________________________________________________________________________ | |
584 | void AliPHOS::WriteQA() | |
585 | { | |
586 | ||
587 | // Make TreeQA in the output file. | |
588 | ||
589 | if(fTreeQA == 0) | |
590 | fTreeQA = new TTree("TreeQA", "QA Alarms") ; | |
591 | // Create Alarms branches | |
592 | Int_t bufferSize = 32000 ; | |
593 | Int_t splitlevel = 0 ; | |
594 | ||
595 | TFolder* topfold = GetLoader()->GetTopFolder(); //get top aliroot folder; skowron | |
596 | TString phosqafn(AliConfig::Instance()->GetQAFolderName()+"/"); //get name of QAaut folder relative to top event; skowron | |
597 | phosqafn+=GetName(); //hard wired string!!! add the detector name to the pathname; skowron | |
598 | TFolder * alarmsF = (TFolder*)topfold->FindObjectAny(phosqafn); //get the folder | |
599 | ||
600 | if (alarmsF == 0x0) | |
601 | { | |
602 | Error("WriteQA","Can not find folder with qa alarms"); | |
603 | return; | |
604 | } | |
605 | TString branchName(alarmsF->GetName()); | |
606 | TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel); | |
607 | TString branchTitle = branchName + " QA alarms" ; | |
608 | alarmsBranch->SetTitle(branchTitle); | |
609 | alarmsBranch->Fill() ; | |
610 | ||
611 | //fTreeQA->Fill() ; | |
65792ca0 | 612 | } |
613 |