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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 | /* $Id$ */ | |
4884333f | 17 | /* History of cvs commits: |
18 | * | |
19 | * $Log$ | |
2bb3725c | 20 | * Revision 1.47 2006/12/05 17:12:03 gustavo |
21 | * Updated AliEMCAL::Digits2Raw, reads first provisional RCU mapping files to make Raw data with new AliCaloAltroMapping and AliCaloRawStream | |
22 | * | |
4884333f | 23 | * |
24 | */ | |
2012850d | 25 | //_________________________________________________________________________ |
26 | // Base Class for EMCAL description: | |
ffa6d63b | 27 | // This class contains material definitions |
28 | // for the EMCAL - It does not place the detector in Alice | |
2012850d | 29 | //*-- Author: Yves Schutz (SUBATECH) |
b13bbe81 | 30 | // |
31 | //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT) | |
32 | // | |
2012850d | 33 | ////////////////////////////////////////////////////////////////////////////// |
34 | ||
2012850d | 35 | // --- ROOT system --- |
b13bbe81 | 36 | class TFile; |
88cb7938 | 37 | #include <TFolder.h> |
88cb7938 | 38 | #include <TTree.h> |
39 | #include <TVirtualMC.h> | |
046ae904 | 40 | #include <TH1F.h> |
41 | #include <TF1.h> | |
42 | #include <TRandom.h> | |
2d5d9e60 | 43 | #include <TGraph.h> |
2012850d | 44 | |
05a92d59 | 45 | // --- Standard library --- |
2012850d | 46 | |
05a92d59 | 47 | // --- AliRoot header files --- |
2012850d | 48 | #include "AliMagF.h" |
88cb7938 | 49 | #include "AliEMCAL.h" |
85a5290f | 50 | #include "AliRun.h" |
5dee926e | 51 | #include "AliEMCALLoader.h" |
85a5290f | 52 | #include "AliEMCALSDigitizer.h" |
53 | #include "AliEMCALDigitizer.h" | |
5dee926e | 54 | #include "AliEMCALDigit.h" |
4884333f | 55 | //#include "AliAltroMapping.h" |
56 | #include "AliCaloAltroMapping.h" | |
f51151a0 | 57 | #include "AliAltroBuffer.h" |
2d5d9e60 | 58 | #include "AliRawReader.h" |
4884333f | 59 | #include "AliCaloRawStream.h" |
362c9d61 | 60 | #include "AliDAQ.h" |
2012850d | 61 | |
62 | ClassImp(AliEMCAL) | |
56088960 | 63 | Double_t AliEMCAL::fgCapa = 1.; // 1pF |
64 | Int_t AliEMCAL::fgOrder = 2 ; | |
65 | Double_t AliEMCAL::fgTimeMax = 2.56E-5 ; // each sample is over 100 ns fTimeMax/fTimeBins | |
66 | Double_t AliEMCAL::fgTimePeak = 4.1E-6 ; // 4 micro seconds | |
67 | Double_t AliEMCAL::fgTimeTrigger = 100E-9 ; // 100ns, just for a reference | |
2d5d9e60 | 68 | // some digitization constants |
2d5d9e60 | 69 | Int_t AliEMCAL::fgThreshold = 1; |
4884333f | 70 | Int_t AliEMCAL::fgDDLPerSuperModule = 2; // 2 ddls per SuperModule |
71 | ||
2012850d | 72 | //____________________________________________________________________________ |
18a21c7c | 73 | AliEMCAL::AliEMCAL() |
74 | : AliDetector(), | |
75 | fBirkC0(0), | |
76 | fBirkC1(0.), | |
77 | fBirkC2(0.), | |
78 | fHighCharge(0.), | |
79 | fHighGain(0.), | |
80 | fHighLowGainFactor(0.), | |
81 | fLowGainOffset(0) | |
2012850d | 82 | { |
05a92d59 | 83 | // Default ctor |
046ae904 | 84 | fName = "EMCAL" ; |
0a4cb131 | 85 | Init(); |
86 | ||
2012850d | 87 | } |
05a92d59 | 88 | |
2012850d | 89 | //____________________________________________________________________________ |
18a21c7c | 90 | AliEMCAL::AliEMCAL(const char* name, const char* title) |
91 | : AliDetector(name,title), | |
92 | fBirkC0(0), | |
93 | fBirkC1(0.), | |
94 | fBirkC2(0.), | |
95 | fHighCharge(0.), | |
96 | fHighGain(0.), | |
97 | fHighLowGainFactor(0.), | |
98 | fLowGainOffset(0) | |
05a92d59 | 99 | { |
100 | // ctor : title is used to identify the layout | |
0a4cb131 | 101 | Init(); |
102 | ||
103 | } | |
104 | ||
2012850d | 105 | //____________________________________________________________________________ |
05a92d59 | 106 | AliEMCAL::~AliEMCAL() |
107 | { | |
14ce0a6e | 108 | //dtor |
2012850d | 109 | } |
110 | ||
0a4cb131 | 111 | //____________________________________________________________________________ |
112 | void AliEMCAL::Init(void) | |
113 | { | |
114 | //initialize EMCAL values | |
115 | fBirkC0 = 1; | |
116 | fBirkC1 = 0.013/1.032; | |
117 | fBirkC2 = 9.6e-6/(1.032 * 1.032); | |
118 | ||
119 | fHighCharge = 8.2 ; // adjusted for a high gain range of 5.12 GeV (10 bits) | |
120 | fHighGain = 6.64 ; | |
121 | fHighLowGainFactor = 16. ; // adjusted for a low gain range of 82 GeV (10 bits) | |
122 | fLowGainOffset = 1 ; // offset added to the module id to distinguish high and low gain data | |
123 | } | |
124 | ||
8367ce9a | 125 | //____________________________________________________________________________ |
126 | AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const | |
127 | { | |
14ce0a6e | 128 | //create and return the digitizer |
8367ce9a | 129 | return new AliEMCALDigitizer(manager); |
130 | } | |
131 | ||
2012850d | 132 | //____________________________________________________________________________ |
05a92d59 | 133 | void AliEMCAL::CreateMaterials() |
134 | { | |
2012850d | 135 | // Definitions of materials to build EMCAL and associated tracking media. |
136 | // media number in idtmed are 1599 to 1698. | |
137 | ||
996cf306 | 138 | // --- Air --- |
139 | Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; | |
140 | Float_t zAir[4]={6.,7.,8.,18.}; | |
141 | Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; | |
142 | Float_t dAir = 1.20479E-3; | |
143 | AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ; | |
b13bbe81 | 144 | |
2012850d | 145 | // --- Lead --- |
146 | AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; | |
147 | ||
b13bbe81 | 148 | |
149 | // --- The polysterene scintillator (CH) --- | |
150 | Float_t aP[2] = {12.011, 1.00794} ; | |
151 | Float_t zP[2] = {6.0, 1.0} ; | |
152 | Float_t wP[2] = {1.0, 1.0} ; | |
153 | Float_t dP = 1.032 ; | |
154 | ||
155 | AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; | |
156 | ||
157 | // --- Aluminium --- | |
158 | AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; | |
159 | // --- Absorption length is ignored ^ | |
160 | ||
1963b290 | 161 | // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition |
162 | Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; | |
163 | Float_t zsteel[4] = { 26.,24.,28.,14. }; | |
164 | Float_t wsteel[4] = { .715,.18,.1,.005 }; | |
165 | AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); | |
166 | ||
2012850d | 167 | // DEFINITION OF THE TRACKING MEDIA |
168 | ||
169 | // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] | |
170 | Int_t * idtmed = fIdtmed->GetArray() - 1599 ; | |
171 | Int_t isxfld = gAlice->Field()->Integ() ; | |
172 | Float_t sxmgmx = gAlice->Field()->Max() ; | |
173 | ||
996cf306 | 174 | // Air -> idtmed[1599] |
905263da | 175 | AliMedium(0, "Air$", 0, 0, |
996cf306 | 176 | isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; |
2012850d | 177 | |
a63e0d5e | 178 | // The Lead -> idtmed[1600] |
2012850d | 179 | |
905263da | 180 | AliMedium(1, "Lead$", 1, 0, |
2012850d | 181 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; |
182 | ||
b13bbe81 | 183 | // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] |
905263da | 184 | AliMedium(2, "Scintillator$", 2, 1, |
61e0abb5 | 185 | isxfld, sxmgmx, 10.0, 0.001, 0.1, 0.001, 0.001, 0, 0) ; |
b13bbe81 | 186 | |
a63e0d5e | 187 | // Various Aluminium parts made of Al -> idtmed[1602] |
905263da | 188 | AliMedium(3, "Al$", 3, 0, |
b13bbe81 | 189 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; |
190 | ||
1963b290 | 191 | // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603] |
192 | AliMedium(4, "S steel$", 4, 0, | |
193 | isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; | |
2012850d | 194 | |
b13bbe81 | 195 | // --- Set decent energy thresholds for gamma and electron tracking |
2012850d | 196 | |
197 | // Tracking threshold for photons and electrons in Lead | |
905263da | 198 | Float_t cutgam=10.e-5; // 100 kev; |
199 | Float_t cutele=10.e-5; // 100 kev; | |
200 | TString ntmp(GetTitle()); | |
201 | ntmp.ToUpper(); | |
202 | if(ntmp.Contains("10KEV")) { | |
203 | cutele = cutgam = 1.e-5; | |
204 | } else if(ntmp.Contains("50KEV")) { | |
205 | cutele = cutgam = 5.e-5; | |
206 | } else if(ntmp.Contains("100KEV")) { | |
207 | cutele = cutgam = 1.e-4; | |
208 | } else if(ntmp.Contains("200KEV")) { | |
209 | cutele = cutgam = 2.e-4; | |
210 | } else if(ntmp.Contains("500KEV")) { | |
211 | cutele = cutgam = 5.e-4; | |
212 | } | |
2012850d | 213 | |
905263da | 214 | gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam); |
215 | gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05 | |
216 | gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
217 | gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
2012850d | 218 | // --- Generate explicitly delta rays in Lead --- |
219 | gMC->Gstpar(idtmed[1600], "LOSS",3.) ; | |
220 | gMC->Gstpar(idtmed[1600], "DRAY",1.) ; | |
905263da | 221 | gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ; |
222 | gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ; | |
05a92d59 | 223 | |
a63e0d5e | 224 | // --- in aluminium parts --- |
905263da | 225 | gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ; |
226 | gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ; | |
227 | gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
228 | gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
b13bbe81 | 229 | gMC->Gstpar(idtmed[1602], "LOSS",3.) ; |
230 | gMC->Gstpar(idtmed[1602], "DRAY",1.) ; | |
905263da | 231 | gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ; |
232 | gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ; | |
b13bbe81 | 233 | |
ffa6d63b | 234 | // --- and finally thresholds for photons and electrons in the scintillator --- |
905263da | 235 | gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ; |
236 | gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05 | |
237 | gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
238 | gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
239 | gMC->Gstpar(idtmed[1601], "LOSS",3.) ; // generate delta rays | |
240 | gMC->Gstpar(idtmed[1601], "DRAY",1.) ; | |
241 | gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ; | |
242 | gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ; | |
243 | ||
244 | // S steel - | |
245 | gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam); | |
246 | gMC->Gstpar(idtmed[1603],"CUTELE", cutele); | |
247 | gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM | |
248 | gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM | |
249 | // --- Generate explicitly delta rays | |
1963b290 | 250 | gMC->Gstpar(idtmed[1603], "LOSS",3.); |
251 | gMC->Gstpar(idtmed[1603], "DRAY",1.); | |
905263da | 252 | gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ; |
253 | gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ; | |
1963b290 | 254 | |
ab37d09c | 255 | //set constants for Birk's Law implentation |
256 | fBirkC0 = 1; | |
257 | fBirkC1 = 0.013/dP; | |
258 | fBirkC2 = 9.6e-6/(dP * dP); | |
259 | ||
2012850d | 260 | } |
4884333f | 261 | //____________________________________________________________________________ |
f51151a0 | 262 | void AliEMCAL::Digits2Raw() |
263 | { | |
56088960 | 264 | // convert digits of the current event to raw data |
4884333f | 265 | |
56088960 | 266 | AliEMCALLoader * loader = dynamic_cast<AliEMCALLoader*>(fLoader) ; |
4884333f | 267 | |
f51151a0 | 268 | // get the digits |
00d03c2f | 269 | loader->LoadDigits("EMCAL"); |
811570e1 | 270 | loader->GetEvent(); |
56088960 | 271 | TClonesArray* digits = loader->Digits() ; |
4884333f | 272 | |
f51151a0 | 273 | if (!digits) { |
274 | Error("Digits2Raw", "no digits found !"); | |
275 | return; | |
276 | } | |
4884333f | 277 | |
56088960 | 278 | // get the digitizer |
279 | loader->LoadDigitizer(); | |
280 | AliEMCALDigitizer * digitizer = dynamic_cast<AliEMCALDigitizer *>(loader->Digitizer()) ; | |
281 | ||
4884333f | 282 | // get the geometry |
283 | AliEMCALGeometry* geom = GetGeometry(); | |
284 | if (!geom) { | |
285 | AliError(Form("No geometry found !")); | |
286 | return; | |
287 | } | |
288 | ||
f51151a0 | 289 | AliAltroBuffer* buffer = NULL; |
290 | Int_t prevDDL = -1; | |
14ce0a6e | 291 | Int_t adcValuesLow[fgkTimeBins]; |
292 | Int_t adcValuesHigh[fgkTimeBins]; | |
4884333f | 293 | |
294 | //Load Mapping RCU files once | |
295 | TString path = gSystem->Getenv("ALICE_ROOT"); | |
296 | path += "/EMCAL/mapping/RCU"; | |
297 | TString path0 = path+"0.data";//This file will change in future | |
298 | TString path1 = path+"1.data";//This file will change in future | |
299 | AliAltroMapping * mapping[2] ; // For the moment only 2 | |
300 | mapping[0] = new AliCaloAltroMapping(path0.Data()); | |
301 | mapping[1] = new AliCaloAltroMapping(path1.Data()); | |
302 | ||
f51151a0 | 303 | // loop over digits (assume ordered digits) |
304 | for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) { | |
56088960 | 305 | AliEMCALDigit* digit = dynamic_cast<AliEMCALDigit *>(digits->At(iDigit)) ; |
2d5d9e60 | 306 | if (digit->GetAmp() < fgThreshold) |
f51151a0 | 307 | continue; |
4884333f | 308 | |
309 | //get cell indeces | |
310 | Int_t nSM = 0; | |
311 | Int_t nIphi = 0; | |
312 | Int_t nIeta = 0; | |
313 | Int_t iphi = 0; | |
314 | Int_t ieta = 0; | |
2bb3725c | 315 | Int_t nModule = 0; |
316 | geom->GetCellIndex(digit->GetId(), nSM, nModule, nIphi, nIeta); | |
317 | geom->GetCellPhiEtaIndexInSModule(nSM, nModule, nIphi, nIeta,iphi, ieta) ; | |
4884333f | 318 | |
319 | //Check which is the RCU of the cell. | |
320 | Int_t iRCU = -111; | |
321 | //RCU0 | |
322 | if (0<=iphi&&iphi<8) iRCU=0; // first cable row | |
323 | else if (8<=iphi&&iphi<16 && 0<=ieta&&ieta<24) iRCU=0; // first half; | |
324 | //second cable row | |
325 | //RCU1 | |
326 | else if(8<=iphi&&iphi<16 && 24<=ieta&&ieta<48) iRCU=1; // second half; | |
327 | //second cable row | |
328 | else if(16<=iphi&&iphi<24) iRCU=1; // third cable row | |
329 | ||
330 | //Which DDL? | |
331 | Int_t iDDL = fgDDLPerSuperModule* nSM + iRCU; | |
332 | ||
f51151a0 | 333 | // new DDL |
334 | if (iDDL != prevDDL) { | |
335 | // write real header and close previous file | |
4884333f | 336 | |
f51151a0 | 337 | if (buffer) { |
338 | buffer->Flush(); | |
339 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
340 | delete buffer; | |
341 | } | |
4884333f | 342 | |
f51151a0 | 343 | // open new file and write dummy header |
4884333f | 344 | TString fileName = AliDAQ::DdlFileName("EMCAL",iDDL); |
345 | buffer = new AliAltroBuffer(fileName.Data(),mapping[iRCU]); | |
f51151a0 | 346 | buffer->WriteDataHeader(kTRUE, kFALSE); //Dummy; |
f51151a0 | 347 | prevDDL = iDDL; |
348 | } | |
4884333f | 349 | |
f51151a0 | 350 | // out of time range signal (?) |
56088960 | 351 | if (digit->GetTimeR() > GetRawFormatTimeMax() ) { |
4884333f | 352 | AliInfo("Signal is out of time range.\n"); |
353 | buffer->FillBuffer((Int_t)digit->GetAmp()); | |
56088960 | 354 | buffer->FillBuffer(GetRawFormatTimeBins() ); // time bin |
4884333f | 355 | buffer->FillBuffer(3); // bunch length |
356 | buffer->WriteTrailer(3, ieta, iphi, nSM); // trailer | |
56088960 | 357 | // calculate the time response function |
f51151a0 | 358 | } else { |
4884333f | 359 | |
360 | Double_t energy = digit->GetAmp() * digitizer->GetECAchannel() + digitizer->GetECApedestal() ; | |
56088960 | 361 | |
362 | Bool_t lowgain = RawSampledResponse(digit->GetTimeR(), energy, adcValuesHigh, adcValuesLow) ; | |
363 | ||
364 | if (lowgain) | |
4884333f | 365 | buffer->WriteChannel(ieta, iphi, 0, GetRawFormatTimeBins(), adcValuesLow, fgThreshold); |
56088960 | 366 | else |
4884333f | 367 | buffer->WriteChannel(ieta,iphi, 1, GetRawFormatTimeBins(), adcValuesHigh, fgThreshold); |
368 | ||
f51151a0 | 369 | } |
370 | } | |
56088960 | 371 | |
f51151a0 | 372 | // write real header and close last file |
373 | if (buffer) { | |
374 | buffer->Flush(); | |
375 | buffer->WriteDataHeader(kFALSE, kFALSE); | |
376 | delete buffer; | |
377 | } | |
4884333f | 378 | mapping[0]->Delete(); |
379 | mapping[1]->Delete(); | |
56088960 | 380 | loader->UnloadDigits(); |
f51151a0 | 381 | } |
382 | ||
2d5d9e60 | 383 | //____________________________________________________________________________ |
384 | void AliEMCAL::Raw2Digits(AliRawReader* reader) | |
385 | { | |
4800667c | 386 | // convert raw data of the current event to digits |
4884333f | 387 | AliEMCALGeometry * geom = GetGeometry(); |
2d5d9e60 | 388 | AliEMCALLoader * loader = dynamic_cast<AliEMCALLoader*>(fLoader) ; |
389 | ||
390 | // get the digits | |
391 | loader->CleanDigits(); // start from scratch | |
00d03c2f | 392 | loader->LoadDigits("EMCAL"); |
2d5d9e60 | 393 | TClonesArray* digits = loader->Digits() ; |
394 | digits->Clear(); // yes, this is perhaps somewhat paranoid.. [clearing an extra time] | |
395 | ||
396 | if (!digits) { | |
397 | Error("Raw2Digits", "no digits found !"); | |
398 | return; | |
399 | } | |
400 | if (!reader) { | |
401 | Error("Raw2Digits", "no raw reader found !"); | |
402 | return; | |
403 | } | |
404 | ||
405 | // and get the digitizer too | |
406 | loader->LoadDigitizer(); | |
407 | AliEMCALDigitizer * digitizer = dynamic_cast<AliEMCALDigitizer *>(loader->Digitizer()) ; | |
408 | ||
409 | // Use AliAltroRawStream to read the ALTRO format. No need to | |
410 | // reinvent the wheel :-) | |
4884333f | 411 | AliCaloRawStream in(reader,"EMCAL"); |
362c9d61 | 412 | // Select EMCAL DDL's; |
413 | reader->Select("EMCAL"); | |
2d5d9e60 | 414 | |
415 | // reading is from previously existing AliEMCALGetter.cxx | |
416 | // ReadRaw method | |
417 | Bool_t first = kTRUE ; | |
418 | ||
419 | TF1 * signalF = new TF1("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4); | |
420 | signalF->SetParNames("Charge", "Gain", "Amplitude", "TimeZero"); | |
421 | ||
2d5d9e60 | 422 | Bool_t lowGainFlag = kFALSE ; |
4884333f | 423 | Int_t id = -1; |
2d5d9e60 | 424 | Int_t idigit = 0 ; |
425 | Int_t amp = 0 ; | |
426 | Double_t time = 0. ; | |
427 | Double_t energy = 0. ; | |
428 | ||
429 | TGraph * gLowGain = new TGraph(GetRawFormatTimeBins()) ; | |
430 | TGraph * gHighGain= new TGraph(GetRawFormatTimeBins()) ; | |
431 | ||
432 | while ( in.Next() ) { // EMCAL entries loop | |
4884333f | 433 | if ( in.IsNewRow() ) {//phi |
434 | if ( in.IsNewColumn() ) {//eta | |
435 | id = geom->GetAbsCellIdFromCellIndexes(in.GetModule(), in.GetRow(), in.GetColumn()) ; | |
436 | if (!first) { | |
437 | FitRaw(lowGainFlag, gLowGain, gHighGain, signalF, energy, time) ; | |
438 | ||
439 | if (time == 0. && energy == 0.) { | |
440 | amp = 0 ; | |
441 | } | |
442 | else { | |
443 | amp = static_cast<Int_t>( (energy - digitizer->GetECApedestal()) / digitizer->GetECAchannel() + 0.5 ) ; | |
444 | } | |
445 | ||
446 | if (amp > 0) { | |
447 | new((*digits)[idigit]) AliEMCALDigit( -1, -1, id, amp, time) ; | |
448 | idigit++ ; | |
449 | } | |
450 | Int_t index ; | |
451 | for (index = 0; index < GetRawFormatTimeBins(); index++) { | |
452 | gLowGain->SetPoint(index, index * GetRawFormatTimeMax() / GetRawFormatTimeBins(), 0) ; | |
453 | gHighGain->SetPoint(index, index * GetRawFormatTimeMax() / GetRawFormatTimeBins(), 0) ; | |
454 | } | |
455 | } // not first | |
456 | first = kFALSE ; | |
457 | id = geom->GetAbsCellIdFromCellIndexes(in.GetModule(), in.GetRow(), in.GetColumn()) ; | |
458 | if (in.GetModule() == GetRawFormatLowGainOffset() ) { | |
459 | lowGainFlag = kTRUE ; | |
2d5d9e60 | 460 | } |
4884333f | 461 | else { |
462 | lowGainFlag = kFALSE ; | |
2d5d9e60 | 463 | } |
4884333f | 464 | } //new column-eta |
465 | }// new row-phi | |
2d5d9e60 | 466 | if (lowGainFlag) { |
467 | gLowGain->SetPoint(in.GetTime(), | |
468 | in.GetTime()* GetRawFormatTimeMax() / GetRawFormatTimeBins(), | |
469 | in.GetSignal()) ; | |
470 | } | |
471 | else { | |
472 | gHighGain->SetPoint(in.GetTime(), | |
473 | in.GetTime() * GetRawFormatTimeMax() / GetRawFormatTimeBins(), | |
474 | in.GetSignal() ) ; | |
475 | } | |
476 | } // EMCAL entries loop | |
477 | digits->Sort() ; | |
4884333f | 478 | |
2d5d9e60 | 479 | delete signalF ; |
480 | delete gLowGain; | |
481 | delete gHighGain ; | |
4884333f | 482 | |
2d5d9e60 | 483 | return ; |
484 | } | |
485 | ||
486 | //____________________________________________________________________________ | |
487 | void AliEMCAL::FitRaw(Bool_t lowGainFlag, TGraph * gLowGain, TGraph * gHighGain, TF1* signalF, Double_t & energy, Double_t & time) | |
488 | { | |
489 | // Fits the raw signal time distribution; from AliEMCALGetter | |
490 | ||
491 | const Int_t kNoiseThreshold = 0 ; | |
492 | Double_t timezero1 = 0., timezero2 = 0., timemax = 0. ; | |
493 | Double_t signal = 0., signalmax = 0. ; | |
494 | energy = time = 0. ; | |
495 | ||
496 | if (lowGainFlag) { | |
497 | timezero1 = timezero2 = signalmax = timemax = 0. ; | |
498 | signalF->FixParameter(0, GetRawFormatLowCharge()) ; | |
499 | signalF->FixParameter(1, GetRawFormatLowGain()) ; | |
500 | Int_t index ; | |
501 | for (index = 0; index < GetRawFormatTimeBins(); index++) { | |
502 | gLowGain->GetPoint(index, time, signal) ; | |
503 | if (signal > kNoiseThreshold && timezero1 == 0.) | |
504 | timezero1 = time ; | |
505 | if (signal <= kNoiseThreshold && timezero1 > 0. && timezero2 == 0.) | |
506 | timezero2 = time ; | |
507 | if (signal > signalmax) { | |
508 | signalmax = signal ; | |
509 | timemax = time ; | |
510 | } | |
511 | } | |
512 | signalmax /= RawResponseFunctionMax(GetRawFormatLowCharge(), | |
513 | GetRawFormatLowGain()) ; | |
514 | if ( timezero1 + GetRawFormatTimePeak() < GetRawFormatTimeMax() * 0.4 ) { // else its noise | |
515 | signalF->SetParameter(2, signalmax) ; | |
516 | signalF->SetParameter(3, timezero1) ; | |
517 | gLowGain->Fit(signalF, "QRON", "", 0., timezero2); //, "QRON") ; | |
518 | energy = signalF->GetParameter(2) ; | |
519 | time = signalF->GetMaximumX() - GetRawFormatTimePeak() - GetRawFormatTimeTrigger() ; | |
520 | } | |
521 | } else { | |
522 | timezero1 = timezero2 = signalmax = timemax = 0. ; | |
523 | signalF->FixParameter(0, GetRawFormatHighCharge()) ; | |
524 | signalF->FixParameter(1, GetRawFormatHighGain()) ; | |
525 | Int_t index ; | |
526 | for (index = 0; index < GetRawFormatTimeBins(); index++) { | |
527 | gHighGain->GetPoint(index, time, signal) ; | |
528 | if (signal > kNoiseThreshold && timezero1 == 0.) | |
529 | timezero1 = time ; | |
530 | if (signal <= kNoiseThreshold && timezero1 > 0. && timezero2 == 0.) | |
531 | timezero2 = time ; | |
532 | if (signal > signalmax) { | |
533 | signalmax = signal ; | |
534 | timemax = time ; | |
535 | } | |
536 | } | |
537 | signalmax /= RawResponseFunctionMax(GetRawFormatHighCharge(), | |
538 | GetRawFormatHighGain()) ;; | |
539 | if ( timezero1 + GetRawFormatTimePeak() < GetRawFormatTimeMax() * 0.4 ) { // else its noise | |
540 | signalF->SetParameter(2, signalmax) ; | |
541 | signalF->SetParameter(3, timezero1) ; | |
542 | gHighGain->Fit(signalF, "QRON", "", 0., timezero2) ; | |
543 | energy = signalF->GetParameter(2) ; | |
544 | time = signalF->GetMaximumX() - GetRawFormatTimePeak() - GetRawFormatTimeTrigger() ; | |
545 | } | |
546 | } | |
547 | ||
548 | return; | |
549 | } | |
550 | ||
8367ce9a | 551 | //____________________________________________________________________________ |
552 | void AliEMCAL::Hits2SDigits() | |
553 | { | |
554 | // create summable digits | |
555 | ||
ddca522a | 556 | GetGeometry(); |
4d33c797 | 557 | AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; |
558 | emcalDigitizer.SetEventRange(0, -1) ; // do all the events | |
559 | emcalDigitizer.ExecuteTask() ; | |
da480a28 | 560 | } |
561 | ||
8367ce9a | 562 | //____________________________________________________________________________ |
5dee926e | 563 | |
8367ce9a | 564 | AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) |
565 | { | |
566 | //different behaviour than standard (singleton getter) | |
567 | // --> to be discussed and made eventually coherent | |
568 | fLoader = new AliEMCALLoader(GetName(),topfoldername); | |
569 | return fLoader; | |
570 | } | |
571 | ||
046ae904 | 572 | //__________________________________________________________________ |
573 | Double_t AliEMCAL::RawResponseFunction(Double_t *x, Double_t *par) | |
574 | { | |
575 | // Shape of the electronics raw reponse: | |
56088960 | 576 | // It is a semi-gaussian, 2nd order Gamma function of the general form |
577 | // v(t) = n**n * Q * A**n / C *(t/tp)**n * exp(-n * t/tp) with | |
578 | // tp : peaking time par[0] | |
579 | // n : order of the function | |
580 | // C : integrating capacitor in the preamplifier | |
581 | // A : open loop gain of the preamplifier | |
582 | // Q : the total APD charge to be measured Q = C * energy | |
046ae904 | 583 | |
56088960 | 584 | Double_t signal ; |
585 | Double_t xx = x[0] - ( fgTimeTrigger + par[3] ) ; | |
046ae904 | 586 | |
56088960 | 587 | if (xx < 0 || xx > fgTimeMax) |
588 | signal = 0. ; | |
589 | else { | |
590 | Double_t fac = par[0] * TMath::Power(fgOrder, fgOrder) * TMath::Power(par[1], fgOrder) / fgCapa ; | |
591 | signal = fac * par[2] * TMath::Power(xx / fgTimePeak, fgOrder) * TMath::Exp(-fgOrder * (xx / fgTimePeak)) ; | |
592 | } | |
593 | return signal ; | |
046ae904 | 594 | } |
595 | ||
596 | //__________________________________________________________________ | |
56088960 | 597 | Double_t AliEMCAL::RawResponseFunctionMax(Double_t charge, Double_t gain) |
598 | { | |
14ce0a6e | 599 | //compute the maximum of the raw response function and return |
56088960 | 600 | return ( charge * TMath::Power(fgOrder, fgOrder) * TMath::Power(gain, fgOrder) |
601 | / ( fgCapa * TMath::Exp(fgOrder) ) ); | |
602 | ||
603 | } | |
604 | //__________________________________________________________________ | |
605 | Bool_t AliEMCAL::RawSampledResponse( | |
606 | const Double_t dtime, const Double_t damp, Int_t * adcH, Int_t * adcL) const | |
046ae904 | 607 | { |
608 | // for a start time dtime and an amplitude damp given by digit, | |
56088960 | 609 | // calculates the raw sampled response AliEMCAL::RawResponseFunction |
046ae904 | 610 | |
611 | const Int_t kRawSignalOverflow = 0x3FF ; | |
56088960 | 612 | Bool_t lowGain = kFALSE ; |
613 | ||
614 | TF1 signalF("signal", RawResponseFunction, 0, GetRawFormatTimeMax(), 4); | |
615 | ||
616 | for (Int_t iTime = 0; iTime < GetRawFormatTimeBins(); iTime++) { | |
617 | signalF.SetParameter(0, GetRawFormatHighCharge() ) ; | |
618 | signalF.SetParameter(1, GetRawFormatHighGain() ) ; | |
619 | signalF.SetParameter(2, damp) ; | |
620 | signalF.SetParameter(3, dtime) ; | |
621 | Double_t time = iTime * GetRawFormatTimeMax() / GetRawFormatTimeBins() ; | |
622 | Double_t signal = signalF.Eval(time) ; | |
623 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow ){ // larger than 10 bits | |
624 | signal = kRawSignalOverflow ; | |
625 | lowGain = kTRUE ; | |
626 | } | |
627 | adcH[iTime] = static_cast<Int_t>(signal + 0.5) ; | |
628 | ||
629 | signalF.SetParameter(0, GetRawFormatLowCharge() ) ; | |
630 | signalF.SetParameter(1, GetRawFormatLowGain() ) ; | |
631 | signal = signalF.Eval(time) ; | |
632 | if ( static_cast<Int_t>(signal+0.5) > kRawSignalOverflow) // larger than 10 bits | |
633 | signal = kRawSignalOverflow ; | |
634 | adcL[iTime] = static_cast<Int_t>(0.5 + signal ) ; | |
635 | ||
046ae904 | 636 | } |
56088960 | 637 | return lowGain ; |
046ae904 | 638 | } |