1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 /* History of cvs commits:
19 * Revision 1.114 2007/08/07 14:12:03 kharlov
20 * Quality assurance added (Yves Schutz)
22 * Revision 1.113 2007/07/18 16:29:54 policheh
23 * Raw Sdigits energy converted to GeV.
25 * Revision 1.112 2007/02/25 22:59:13 policheh
26 * Digits2Raw(): ALTRO buffer and mapping created per each DDL.
28 * Revision 1.111 2007/02/18 15:21:47 kharlov
29 * Corrections for memory leak in Digits2Raw due to AliAltroMapping
31 * Revision 1.110 2007/02/13 10:52:08 policheh
32 * Raw2SDigits() implemented
34 * Revision 1.109 2007/02/05 10:43:25 hristov
35 * Changes for correct initialization of Geant4 (Mihaela)
37 * Revision 1.108 2007/02/01 10:34:47 hristov
38 * Removing warnings on Solaris x86
40 * Revision 1.107 2007/01/29 16:29:37 kharlov
41 * Digits2Raw(): special workaround for digits with time out of range
43 * Revision 1.106 2007/01/17 17:28:56 kharlov
44 * Extract ALTRO sample generation to a separate class AliPHOSPulseGenerator
46 * Revision 1.105 2007/01/12 21:44:29 kharlov
47 * Simulate and reconstruct two gains simulaneouslsy
50 //_________________________________________________________________________
51 // Base Class for PHOS description:
52 // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged
53 // particles detector (CPV or PPSD).
54 // The only provided method here is CreateMaterials,
55 // which defines the materials common to all PHOS versions.
57 //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH)
58 //////////////////////////////////////////////////////////////////////////////
61 // --- ROOT system ---
65 #include <TVirtualMC.h>
70 // --- Standard library ---
72 // --- AliRoot header files ---
75 #include "AliPHOSGetter.h"
77 #include "AliPHOSDigitizer.h"
78 #include "AliPHOSSDigitizer.h"
79 #include "AliPHOSDigit.h"
80 #include "AliAltroBuffer.h"
81 #include "AliAltroMapping.h"
82 #include "AliCaloAltroMapping.h"
84 #include "AliCDBManager.h"
85 #include "AliCDBEntry.h"
86 #include "AliCDBStorage.h"
87 #include "AliPHOSCalibData.h"
88 #include "AliPHOSPulseGenerator.h"
90 #include "AliPHOSRawDecoder.h"
91 #include "AliPHOSRawDigiProducer.h"
92 #include "AliPHOSQualAssChecker.h"
96 //____________________________________________________________________________
97 AliPHOS:: AliPHOS() : AliDetector()
104 //____________________________________________________________________________
105 AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title)
107 // ctor : title is used to identify the layout
110 //____________________________________________________________________________
115 //____________________________________________________________________________
116 AliDigitizer* AliPHOS::CreateDigitizer(AliRunDigitizer* manager) const
118 return new AliPHOSDigitizer(manager);
121 //____________________________________________________________________________
122 void AliPHOS::CreateMaterials()
124 // Definitions of materials to build PHOS and associated tracking media.
125 // media number in idtmed are 699 to 798.
127 // --- The PbWO4 crystals ---
128 Float_t aX[3] = {207.19, 183.85, 16.0} ;
129 Float_t zX[3] = {82.0, 74.0, 8.0} ;
130 Float_t wX[3] = {1.0, 1.0, 4.0} ;
133 AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ;
136 // --- The polysterene scintillator (CH) ---
137 Float_t aP[2] = {12.011, 1.00794} ;
138 Float_t zP[2] = {6.0, 1.0} ;
139 Float_t wP[2] = {1.0, 1.0} ;
142 AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ;
145 AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ;
146 // --- Absorption length is ignored ^
148 // --- Tyvek (CnH2n) ---
149 Float_t aT[2] = {12.011, 1.00794} ;
150 Float_t zT[2] = {6.0, 1.0} ;
151 Float_t wT[2] = {1.0, 2.0} ;
154 AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ;
156 // --- Polystyrene foam ---
157 Float_t aF[2] = {12.011, 1.00794} ;
158 Float_t zF[2] = {6.0, 1.0} ;
159 Float_t wF[2] = {1.0, 1.0} ;
162 AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ;
165 Float_t aTIT[3] = {47.88, 26.98, 54.94} ;
166 Float_t zTIT[3] = {22.0, 13.0, 25.0} ;
167 Float_t wTIT[3] = {69.0, 6.0, 1.0} ;
170 AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT);
173 AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ;
177 // --- Foam thermo insulation ---
178 Float_t aTI[2] = {12.011, 1.00794} ;
179 Float_t zTI[2] = {6.0, 1.0} ;
180 Float_t wTI[2] = {1.0, 1.0} ;
183 AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ;
186 Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ;
187 Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ;
188 Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ;
191 AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ;
194 Float_t aFR[4] = {16.0, 28.09, 12.011, 1.00794} ;
195 Float_t zFR[4] = {8.0, 14.0, 6.0, 1.0} ;
196 Float_t wFR[4] = {292.0, 68.0, 462.0, 736.0} ;
199 AliMixture(9, "FR4$", aFR, zFR, dFR, -4, wFR) ;
201 // --- The Composite Material for micromegas (so far polyetylene) ---
202 Float_t aCM[2] = {12.01, 1.} ;
203 Float_t zCM[2] = {6., 1.} ;
204 Float_t wCM[2] = {1., 2.} ;
205 Float_t dCM = 0.935 ;
207 AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ;
210 AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ;
212 // --- G10 : Printed Circuit material ---
213 Float_t aG10[4] = { 12., 1., 16., 28.} ;
214 Float_t zG10[4] = { 6., 1., 8., 14.} ;
215 Float_t wG10[4] = { .259, .288, .248, .205} ;
219 AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10);
222 AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ;
224 // --- The gas mixture ---
226 Float_t aCO[2] = {12.0, 16.0} ;
227 Float_t zCO[2] = {6.0, 8.0} ;
228 Float_t wCO[2] = {1.0, 2.0} ;
229 Float_t dCO = 0.001977 ;
231 AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO);
234 Float_t dAr = 0.001782 ;
235 AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ;
237 // Ar+CO2 Mixture (80% / 20%)
238 Float_t arContent = 0.80 ; // Ar-content of the ArCO2-mixture
239 Float_t aArCO[3] = {39.948, 12.0, 16.0} ;
240 Float_t zArCO[3] = {18.0 , 6.0, 8.0} ;
242 wArCO[0] = arContent;
243 wArCO[1] = (1-arContent)*1;
244 wArCO[2] = (1-arContent)*2;
245 Float_t dArCO = arContent*dAr + (1-arContent)*dCO ;
246 AliMixture(16, "ArCO2$", aArCO, zArCO, dArCO, -3, wArCO) ;
249 // --- Stainless steel (let it be pure iron) ---
250 AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ;
253 // --- Fiberglass ---
254 Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ;
255 Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ;
256 Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ;
259 AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ;
261 // --- Cables in Air box ---
264 Float_t aCA[4] = { 1.,12.,55.8,63.5 };
265 Float_t zCA[4] = { 1.,6.,26.,29. };
266 Float_t wCA[4] = { .014,.086,.42,.48 };
267 Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct
269 AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ;
273 Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
274 Float_t zAir[4]={6.,7.,8.,18.};
275 Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
276 Float_t dAir = 1.20479E-3;
278 AliMixture(99, "Air$", aAir, zAir, dAir, 4, wAir) ;
280 // DEFINITION OF THE TRACKING MEDIA
282 // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100]
283 Int_t isxfld = gAlice->Field()->Integ() ;
284 Float_t sxmgmx = gAlice->Field()->Max() ;
286 // The scintillator of the calorimeter made of PBW04 -> idtmed[699]
287 AliMedium(0, "PHOS Xtal $", 0, 1,
288 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
290 // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700]
291 AliMedium(1, "CPV scint. $", 1, 1,
292 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
294 // Various Aluminium parts made of Al -> idtmed[701]
295 AliMedium(2, "Al parts $", 2, 0,
296 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
298 // The Tywek which wraps the calorimeter crystals -> idtmed[702]
299 AliMedium(3, "Tyvek wrapper$", 3, 0,
300 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ;
302 // The Polystyrene foam around the calorimeter module -> idtmed[703]
303 AliMedium(4, "Polyst. foam $", 4, 0,
304 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
306 // The Titanium around the calorimeter crystal -> idtmed[704]
307 AliMedium(5, "Titan. cover $", 5, 0,
308 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ;
310 // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705]
311 AliMedium(6, "Si PIN $", 6, 0,
312 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ;
314 // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706]
315 AliMedium(7, "Thermo Insul.$", 7, 0,
316 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
318 // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707]
319 AliMedium(8, "Textolit $", 8, 0,
320 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
322 // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708]
323 AliMedium(9, "FR4 $", 9, 0,
324 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
327 // The Composite Material for micromegas -> idtmed[709]
328 AliMedium(10, "CompoMat $", 10, 0,
329 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
331 // Copper -> idtmed[710]
332 AliMedium(11, "Copper $", 11, 0,
333 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
335 // G10: Printed Circuit material -> idtmed[711]
337 AliMedium(12, "G10 $", 12, 0,
338 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
340 // The Lead -> idtmed[712]
342 AliMedium(13, "Lead $", 13, 0,
343 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
345 // The gas mixture: ArCo2 -> idtmed[715]
347 AliMedium(16, "ArCo2 $", 16, 1,
348 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ;
350 // Stainless steel -> idtmed[716]
351 AliMedium(17, "Steel $", 17, 0,
352 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ;
354 // Fibergalss -> idtmed[717]
355 AliMedium(18, "Fiberglass$", 18, 0,
356 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
358 // Cables in air -> idtmed[718]
359 AliMedium(19, "Cables $", 19, 0,
360 isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ;
362 // Air -> idtmed[798]
363 AliMedium(99, "Air $", 99, 0,
364 isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ;
367 //_____________________________________________________________________________
371 // Initialises cuts for PHOS
373 // --- Set decent energy thresholds for gamma and electron tracking
374 Int_t * idtmed = fIdtmed->GetArray() - 699 ;
376 // Tracking threshold for photons and electrons in the scintillator crystal
377 gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ;
378 gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ;
380 // --- Generate explicitly delta rays in the titan cover ---
381 gMC->Gstpar(idtmed[704], "LOSS",3.) ;
382 gMC->Gstpar(idtmed[704], "DRAY",1.) ;
383 // --- and in aluminium parts ---
384 gMC->Gstpar(idtmed[701], "LOSS",3.) ;
385 gMC->Gstpar(idtmed[701], "DRAY",1.) ;
386 // --- and in PIN diode
387 gMC->Gstpar(idtmed[705], "LOSS",3) ;
388 gMC->Gstpar(idtmed[705], "DRAY",1) ;
389 // --- and in the passive convertor
390 gMC->Gstpar(idtmed[712], "LOSS",3) ;
391 gMC->Gstpar(idtmed[712], "DRAY",1) ;
392 // Tracking threshold for photons and electrons in the gas ArC02
393 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ;
394 gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ;
395 gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ;
396 gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ;
397 gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ;
398 gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ;
399 gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ;
400 gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ;
401 gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ;
402 gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ;
403 gMC->Gstpar(idtmed[715], "LOSS",2.) ;
404 gMC->Gstpar(idtmed[715], "DRAY",0.) ;
405 gMC->Gstpar(idtmed[715], "STRA",2.) ;
408 //____________________________________________________________________________
409 void AliPHOS::Digits2Raw()
411 // convert digits of the current event to raw data
413 AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ;
416 loader->LoadDigits();
417 TClonesArray* digits = loader->Digits() ;
420 AliError(Form("No digits found !"));
425 AliPHOSGeometry* geom = GetGeometry();
427 AliError(Form("No geometry found !"));
431 // some digitization constants
432 const Float_t kThreshold = 0.001; // skip digits below 1 MeV
433 const Int_t kAdcThreshold = 1; // Lower ADC threshold to write to raw data
437 // Create a shaper pulse object
438 AliPHOSPulseGenerator *pulse = new AliPHOSPulseGenerator();
440 Int_t *adcValuesLow = new Int_t[pulse->GetRawFormatTimeBins()];
441 Int_t *adcValuesHigh= new Int_t[pulse->GetRawFormatTimeBins()];
443 const Int_t maxDDL = 20;
444 AliAltroBuffer *buffer[maxDDL];
445 AliAltroMapping *mapping[maxDDL];
447 for(Int_t jDDL=0; jDDL<maxDDL; jDDL++) {
459 // loop over digits (assume ordered digits)
460 for (Int_t iDigit = 0; iDigit < digits->GetEntries(); iDigit++) {
461 AliPHOSDigit* digit = dynamic_cast<AliPHOSDigit *>(digits->At(iDigit)) ;
462 if (digit->GetEnergy() < kThreshold)
465 geom->AbsToRelNumbering(digit->GetId(), relId);
466 Int_t module = relId[0];
470 continue; // ignore digits from CPV
473 Int_t row = relId[2]-1;
474 Int_t col = relId[3]-1;
479 if(0<=row&&row<32 && 0<=col&&col<28) iRCU=0;
482 if(0<=row&&row<32 && 28<=col&&col<56) iRCU=1;
485 if(32<=row&&row<64 && 0<=col&&col<28) iRCU=2;
488 if(32<=row&&row<64 && 28<=col&&col<56) iRCU=3;
491 // PHOS EMCA has 4 DDL per module. Splitting is based on the (row,column) numbers.
492 // PHOS internal convention: 1<module<5.
493 Int_t iDDL = 4 * (module - 1) + iRCU;
496 if (iDDL != prevDDL) {
497 if (buffer[iDDL] == 0) {
498 // open new file and write dummy header
499 TString fileName = AliDAQ::DdlFileName("PHOS",iDDL);
501 TString path = gSystem->Getenv("ALICE_ROOT");
502 path += "/PHOS/mapping/RCU";
506 mapping[iDDL] = new AliCaloAltroMapping(path.Data());
507 buffer[iDDL] = new AliAltroBuffer(fileName.Data(),mapping[iDDL]);
508 buffer[iDDL]->WriteDataHeader(kTRUE, kFALSE); //Dummy;
513 AliDebug(2,Form("digit E=%.4f GeV, t=%g s, (mod,col,row)=(%d,%d,%d)\n",
514 digit->GetEnergy(),digit->GetTimeR(),
515 relId[0]-1,relId[3]-1,relId[2]-1));
516 // if a signal is out of time range, write only trailer
517 if (digit->GetTimeR() > pulse->GetRawFormatTimeMax()*0.5 ) {
518 AliInfo("Signal is out of time range.\n");
519 buffer[iDDL]->FillBuffer(0);
520 buffer[iDDL]->FillBuffer(pulse->GetRawFormatTimeBins() ); // time bin
521 buffer[iDDL]->FillBuffer(3); // bunch length
522 buffer[iDDL]->WriteTrailer(3, relId[3]-1, relId[2]-1, 0); // trailer
524 // calculate the time response function
526 Double_t energy = 0 ;
528 if (digit->GetId() <= geom->GetNModules() * geom->GetNCristalsInModule()) {
529 energy=digit->GetEnergy();
530 if(energy>eMax) {eMax=energy; modMax=module; colMax=col; rowMax=row;}
533 energy = 0; // CPV raw data format is now know yet
535 pulse->SetAmplitude(energy);
536 pulse->SetTZero(digit->GetTimeR());
537 pulse->MakeSamples();
538 pulse->GetSamples(adcValuesHigh, adcValuesLow) ;
539 buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 0,
540 pulse->GetRawFormatTimeBins(), adcValuesLow , kAdcThreshold);
541 buffer[iDDL]->WriteChannel(relId[3]-1, relId[2]-1, 1,
542 pulse->GetRawFormatTimeBins(), adcValuesHigh, kAdcThreshold);
546 // write real header and close last file
547 for (Int_t iDDL=0; iDDL<maxDDL; iDDL++) {
549 buffer[iDDL]->Flush();
550 buffer[iDDL]->WriteDataHeader(kFALSE, kFALSE);
552 if (mapping[iDDL]) delete mapping[iDDL];
556 AliDebug(1,Form("Digit with max. energy: modMax %d colMax %d rowMax %d eMax %f\n",
557 modMax,colMax,rowMax,eMax));
560 loader->UnloadDigits();
563 //____________________________________________________________________________
564 void AliPHOS::Hits2SDigits()
566 // create summable digits
568 AliPHOSSDigitizer phosDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ;
569 phosDigitizer.SetEventRange(0, -1) ; // do all the events
571 phosDigitizer.ExecuteTask("all") ;
575 //____________________________________________________________________________
576 AliLoader* AliPHOS::MakeLoader(const char* topfoldername)
578 //different behaviour than standard (singleton getter)
579 // --> to be discussed and made eventually coherent
580 fLoader = new AliPHOSLoader(GetName(),topfoldername);
584 //____________________________________________________________________________
585 void AliPHOS::SetTreeAddress()
587 // Links Hits in the Tree to Hits array
590 sprintf(branchname,"%s",GetName());
591 // Branch address for hit tree
592 TTree *treeH = TreeH();
594 branch = treeH->GetBranch(branchname);
597 if (fHits == 0x0) fHits= new TClonesArray("AliPHOSHit",1000);
598 //AliInfo(Form("<%s> Setting Hits Address",GetName()));
599 branch->SetAddress(&fHits);
604 //____________________________________________________________________________
605 Bool_t AliPHOS::Raw2SDigits(AliRawReader* rawReader)
608 AliPHOSLoader * loader = dynamic_cast<AliPHOSLoader*>(fLoader) ;
611 tree = loader->TreeS() ;
613 loader->MakeTree("S");
614 tree = loader->TreeS() ;
617 TClonesArray * sdigits = loader->SDigits() ;
619 loader->MakeSDigitsArray();
620 sdigits = loader->SDigits();
624 AliPHOSRawDecoder dc(rawReader);
625 AliPHOSRawDigiProducer pr;
626 pr.MakeDigits(sdigits,&dc);
628 Int_t bufferSize = 32000 ;
629 // TBranch * sdigitsBranch = tree->Branch("PHOS",&sdigits,bufferSize);
630 tree->Branch("PHOS",&sdigits,bufferSize);
633 fLoader->WriteSDigits("OVERWRITE");