Dump trigger from TreeD or TreeR in NtupleTrigger (Aurelien)
[u/mrichter/AliRoot.git] / HMPID / AliHMPIDv2.cxx
CommitLineData
8f16e0db 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
a137507f 17#include "AliHMPIDv2.h" //class header
18#include "AliHMPIDParam.h" //StepManager()
19#include "AliHMPIDHit.h" //Hits2SDigs(),StepManager()
20#include "AliHMPIDDigit.h" //Digits2Raw(), Raw2SDigits()
21f61e25 21#include "AliHMPIDRawStream.h" //Digits2Raw(), Raw2SDigits()
a137507f 22#include "AliRawReader.h" //Raw2SDigits()
5e2a2ffa 23#include "AliTrackReference.h"
a137507f 24#include <TVirtualMC.h> //StepManager() for gMC
25#include <TPDGCode.h> //StepHistory()
26#include <AliStack.h> //StepManager(),Hits2SDigits()78.6
8f16e0db 27#include <AliLoader.h> //Hits2SDigits()
28#include <AliRunLoader.h> //Hits2SDigits()
8f16e0db 29#include <AliMC.h> //StepManager()
30#include <AliRun.h> //CreateMaterials()
31#include <AliMagF.h> //CreateMaterials()
32#include <TGeoManager.h> //CreateGeometry()
33#include <TF1.h> //DefineOpticalProperties()
34#include <TF2.h> //DefineOpticalProperties()
35#include <TLorentzVector.h> //IsLostByFresnel()
36#include <AliCDBManager.h> //CreateMaterials()
37#include <AliCDBEntry.h> //CreateMaterials()
322b6a67 38#include <TGeoPhysicalNode.h> //AddAlignableVolumes()
8f16e0db 39
40ClassImp(AliHMPIDv2)
41//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
42void AliHMPIDv2::AddAlignableVolumes()const
43{
44// Associates the symbolic volume name with the corresponding volume path. Interface method from AliModule invoked from AliMC
45// Arguments: none
46// Returns: none
322b6a67 47
48 TGeoHMatrix *pGm = new TGeoHMatrix;
ae5a42aa 49 Double_t trans[3]={0.5*131.24,0.5*126.16,0}; //translation from LORS to TGeo RS (half size AllX, half size allY,0)
322b6a67 50 pGm->SetTranslation(trans);
51
ae5a42aa 52 for(Int_t i=AliHMPIDParam::kMinCh;i<=AliHMPIDParam::kMaxCh;i++) {
322b6a67 53 TGeoPNEntry *pPn=gGeoManager->SetAlignableEntry(Form("/HMPID/Chamber%i",i),Form("ALIC_1/Hmp_%i",i));
a47b5293 54 if(pPn) pPn->SetMatrix(pGm);
322b6a67 55 }
8f16e0db 56}
57//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
58void AliHMPIDv2::CreateMaterials()
59{
60// Definition of available HMPID materials
61// Arguments: none
62// Returns: none
63 AliDebug(1,"Start v2 HMPID.");
64
65 //clm update material definition later on from Antonello
66
67//data from PDG booklet 2002 density [gr/cm^3] rad len [cm] abs len [cm]
68 Float_t aAir[4]={12,14,16,36} , zAir[4]={6,7,8,18} , wAir[4]={0.000124,0.755267,0.231781,0.012827} , dAir=0.00120479; Int_t nAir=4;//mixture 0.9999999
69 Float_t aC6F14[2]={ 12.01 , 18.99} , zC6F14[2]={ 6 , 9} , wC6F14[2]={6 , 14} , dC6F14=1.68 ; Int_t nC6F14=-2;
70 Float_t aSiO2[2]={ 28.09 , 15.99} , zSiO2[2]={14 , 8} , wSiO2[2]={1 , 2} , dSiO2=2.64 ; Int_t nSiO2=-2;
71 Float_t aCH4[2]={ 12.01 , 1.01} , zCH4[2]={ 6 , 1} , wCH4[2]={1 , 4} , dCH4=7.17e-4 ; Int_t nCH4=-2;
72 Float_t aCsI[2]={132.90 ,126.90} , zCsI[2]={55 ,53} , wCsI[2]={1 , 1} , dCsI=0.1 ; Int_t nCsI=-2;
73
74 Float_t aRoha= 12.01 , zRoha= 6 , dRoha= 0.10 , radRoha= 18.80 , absRoha= 86.3/dRoha; //special material- quasi quartz
75 Float_t aCu= 63.55 , zCu= 29 , dCu= 8.96 , radCu= 1.43 , absCu= 134.9/dCu ;
76 Float_t aW=183.84 , zW= 74 , dW= 19.30 , radW= 0.35 , absW= 185.0/dW ;
77 Float_t aAl= 26.98 , zAl= 13 , dAl= 2.70 , radAl= 8.90 , absAl= 106.4/dAl ;
78 Float_t aAr= 39.94 , zAr= 18 , dAr= 1.396e-3, radAr= 14.0 , absAr= 117.2/dAr ;
79
80 Int_t matId=0; //tmp material id number
81 Int_t unsens = 0, sens=1; //sensitive or unsensitive medium
82 Int_t itgfld = gAlice->Field()->Integ(); //type of field intergration 0 no field -1 user in guswim 1 Runge Kutta 2 helix 3 const field along z
83 Float_t maxfld = gAlice->Field()->Max(); //max field value
84 Float_t tmaxfd = -10.0; //max deflection angle due to magnetic field in one step
85 Float_t deemax = - 0.2; //max fractional energy loss in one step
86 Float_t stemax = - 0.1; //mas step allowed [cm]
87 Float_t epsil = 0.001; //abs tracking precision [cm]
88 Float_t stmin = - 0.001; //min step size [cm] in continius process transport, negative value: choose it automatically
89
90 AliMixture(++matId,"Air" ,aAir ,zAir ,dAir ,nAir ,wAir ); AliMedium(kAir ,"Air" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
91 AliMixture(++matId,"C6F14",aC6F14,zC6F14,dC6F14,nC6F14,wC6F14); AliMedium(kC6F14,"C6F14",matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
92 AliMixture(++matId,"SiO2" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kSiO2 ,"SiO2" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
93 AliMixture(++matId,"CH4" ,aCH4 ,zCH4 ,dCH4 ,nCH4 ,wCH4 ); AliMedium(kCH4 ,"CH4" ,matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
94 AliMixture(++matId,"CsI" ,aCsI ,zCsI ,dCsI ,nCsI ,wCsI ); AliMedium(kCsI ,"CsI" ,matId, sens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);//sensitive
95
96 AliMixture(++matId ,"Neo" ,aSiO2 ,zSiO2 ,dSiO2 ,nSiO2 ,wSiO2 ); AliMedium(kNeo,"Neo" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //clm neoceram
97 AliMaterial(++matId,"Roha",aRoha,zRoha,dRoha,radRoha,absRoha); AliMedium(kRoha,"Roha", matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin); //Roha->honeycomb
98
99
100 AliMaterial(++matId,"Cu" ,aCu ,zCu ,dCu ,radCu ,absCu ); AliMedium(kCu ,"Cu" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
101 AliMaterial(++matId,"W" ,aW ,zW ,dW ,radW ,absW ); AliMedium(kW ,"W" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
102 AliMaterial(++matId,"Al" ,aAl ,zAl ,dAl ,radAl ,absAl ); AliMedium(kAl ,"Al" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
103 AliMaterial(++matId,"Ar" ,aAr ,zAr ,dAr ,radAr ,absAr ); AliMedium(kAr ,"Ar" , matId, unsens, itgfld, maxfld, tmaxfd, stemax, deemax, epsil, stmin);
8f16e0db 104}//void AliHMPID::CreateMaterials()
105//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
106void AliHMPIDv2::CreateGeometry()
107{
108//Creates detailed geometry simulation (currently GEANT volumes tree)
109 AliDebug(1,"Start main.");
110 if(!gMC->IsRootGeometrySupported()) return;
111
112 Double_t cm=1,mm=0.1*cm,um=0.001*mm;//default is cm
113
114 TGeoMedium *al =gGeoManager->GetMedium("HMPID_Al");
115 TGeoMedium *ch4 =gGeoManager->GetMedium("HMPID_CH4");
116 TGeoMedium *roha =gGeoManager->GetMedium("HMPID_Roha");
117 TGeoMedium *neoc =gGeoManager->GetMedium("HMPID_Neo");
118 TGeoMedium *c6f14=gGeoManager->GetMedium("HMPID_C6F14");
119 TGeoMedium *sio2 =gGeoManager->GetMedium("HMPID_SiO2");
120 TGeoMedium *cu =gGeoManager->GetMedium("HMPID_Cu");
121 TGeoMedium *w =gGeoManager->GetMedium("HMPID_W");
122 TGeoMedium *csi =gGeoManager->GetMedium("HMPID_CsI");
123 TGeoMedium *ar =gGeoManager->GetMedium("HMPID_Ar");
124
78bc9cb2 125 TGeoVolume *hmp=gGeoManager->MakeBox ("Hmp",ch4,1681*mm/2, 1466*mm/2,(2*80*mm+2*60*mm)/2);//2033P1 z from p84 TDR
8f16e0db 126
127 TString title=GetTitle();
a47b5293 128 if(title.Contains("TestBeam")){
129 gGeoManager->GetVolume("ALIC")->AddNode(hmp,0);
130 }else{
ae5a42aa 131 for(Int_t iCh=AliHMPIDParam::kMinCh;iCh<=AliHMPIDParam::kMaxCh;iCh++){//place 7 chambers
8f16e0db 132 TGeoHMatrix *pMatrix=new TGeoHMatrix;
a47b5293 133 IdealPosition(iCh,pMatrix);
8f16e0db 134 gGeoManager->GetVolume("ALIC")->AddNode(hmp,iCh,pMatrix);
a47b5293 135 }
136 }
8f16e0db 137
138 TGeoRotation *rot=new TGeoRotation("HwireRot"); rot->RotateY(90); //rotate wires around Y to be along X (initially along Z)
139 TGeoVolume *sbo=gGeoManager->MakeBox ("Hsbo",ch4 , 1419*mm/2 , 1378.00*mm/2 , 50.5*mm/2);//2072P1
140 TGeoVolume *cov=gGeoManager->MakeBox ("Hcov",al , 1419*mm/2 , 1378.00*mm/2 , 0.5*mm/2);
141 TGeoVolume *hon=gGeoManager->MakeBox ("Hhon",roha , 1359*mm/2 , 1318.00*mm/2 , 49.5*mm/2);
142 TGeoVolume *rad=gGeoManager->MakeBox ("Hrad",c6f14, 1330*mm/2 , 413.00*mm/2 , 24.0*mm/2); //2011P1
143 TGeoVolume *neo=gGeoManager->MakeBox ("Hneo",neoc , 1330*mm/2 , 413.00*mm/2 , 4.0*mm/2);
144 TGeoVolume *win=gGeoManager->MakeBox ("Hwin",sio2 , 1330*mm/2 , 413.00*mm/2 , 5.0*mm/2);
145 TGeoVolume *si1=gGeoManager->MakeBox ("Hsi1",sio2 , 1330*mm/2 , 5.00*mm/2 , 15.0*mm/2);
146 TGeoVolume *si2=gGeoManager->MakeBox ("Hsi2",neoc , 10*mm/2 , 403.00*mm/2 , 15.0*mm/2);
147 TGeoVolume *spa=gGeoManager->MakeTube("Hspa",sio2 , 0*mm , 5.00*mm , 15.0*mm/2);
148 TGeoVolume *fr4=gGeoManager->MakeBox ("Hfr4",ch4 , 1407*mm/2 , 1366.00*mm/2 , 15.0*mm/2);//2043P1
149 TGeoVolume *f4a=gGeoManager->MakeBox ("Hf4a",al , 1407*mm/2 , 1366.00*mm/2 , 10.0*mm/2);
150 TGeoVolume *f4i=gGeoManager->MakeBox ("Hf4i",ch4 , 1323*mm/2 , 1296.00*mm/2 , 10.0*mm/2);
151 TGeoVolume *col=gGeoManager->MakeTube("Hcol",cu , 0*mm , 100.00*um , 1323.0*mm/2);
78bc9cb2 152 TGeoVolume *sec=gGeoManager->MakeBox ("Hsec",ch4 , 648*mm/2 , 411.00*mm/2 , 6.2*mm/2);//sec=gap
153
a47b5293 154 Double_t cellx=8.04*mm,celly=8.4*mm; Int_t nPadX=80, nPadY=48;
155 TGeoVolume *gap=gGeoManager->MakeBox ("Hgap",ch4 , cellx*nPadX/2 , celly*nPadY/2 , 6.2*mm/2); //x=8.04*80 y=8.4*48 z=pad+pad-ano+marign 2006p1
156 TGeoVolume *row= gap->Divide ("Hrow",2,nPadY,0,0);//along Y->48 rows
157 TGeoVolume *cel= row->Divide ("Hcel",1,nPadX,0,0);//along X->80 cells
158 TGeoVolume *cat=gGeoManager->MakeTube("Hcat",cu , 0.00*mm , 50.00*um , cellx/2);
159 TGeoVolume *ano=gGeoManager->MakeTube("Hano",w , 0.00*mm , 20.00*um , cellx/2);
160 TGeoVolume *pad=gGeoManager->MakeBox ("Hpad",csi , 7.54*mm/2 , 7.90*mm/2 , 1.7*mm/2); //2006P1
78bc9cb2 161 TGeoVolume *fr1=gGeoManager->MakeBox ("Hfr1",al , 1463*mm/2 , 1422.00*mm/2 , 58.3*mm/2);//2040P1
162 TGeoVolume *fr1up=gGeoManager->MakeBox ("Hfr1up",ch4,(1426.00-37.00)*mm/2 , (1385.00-37.00)*mm/2 , 20.0*mm/2);//2040P1
163 TGeoVolume *fr1perUpBig=gGeoManager->MakeBox ("Hfr1perUpBig",ch4,1389*mm/2,35*mm/2,10*mm/2);
164 TGeoVolume *fr1perUpSma=gGeoManager->MakeBox ("Hfr1perUpSma",ch4,35*mm/2,(1385-37-2*35)*mm/2,10*mm/2);
165 TGeoVolume *fr1perDowBig=gGeoManager->MakeBox ("Hfr1perDowBig",ch4,1389*mm/2,46*mm/2,2.3*mm/2);
166 TGeoVolume *fr1perDowSma=gGeoManager->MakeBox ("Hfr1perDowSma",ch4,46*mm/2,(1385-37-2*46)*mm/2,2.3*mm/2);
167
168 TGeoVolume *ppf=gGeoManager->MakeBox ("Hppf",al , 648*mm/2 , 411.00*mm/2 , 38.3*mm/2);//2001P2
169 TGeoVolume *lar=gGeoManager->MakeBox ("Hlar",ar , 181*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2
170 TGeoVolume *smo=gGeoManager->MakeBox ("Hsmo",ar , 114*mm/2 , 89.25*mm/2 , 38.3*mm/2);//2001P2
171
172
ae5a42aa 173
174 TGeoVolume *fr3= gGeoManager->MakeBox("Hfr3", al, 1463*mm/2, 1422*mm/2, 34*mm/2);//2041P1
175 TGeoVolume *fr3up= gGeoManager->MakeBox("Hfr3up", ch4, 1323*mm/2, 1282*mm/2, 20*mm/2);//2041P1
176 TGeoVolume *fr3down=gGeoManager->MakeBox("Hfr3down", ch4, 1437*mm/2, 1370*mm/2, 14*mm/2);//2041P1
177
178
179
8f16e0db 180// ^ Y z= z=-12mm z=98.25mm ALIC->7xHmp (virtual)-->1xHsbo (virtual) --->2xHcov (real) 2072P1
181// | ____________________________________ | |-->1xHhon (real) 2072P1
182// | | ______ ____ ______ | |
183// | | | | | * | | | |->3xHrad (virtual) --->1xHneo (real) 2011P1
184// | |50.5mm| |24mm| * |45.5mm| | | |-->1xHwin (real) 2011P1
185// | | | | | * | | | | |-->2xHsi1 (real) 2011P1
186// | | | |____| * |______| | | |-->2xHsi2 (real) 2011P1
187// | | | ____ * ______ | | |->30xHspa (real) 2011P1
188// | | | | | * | | | |
189// | | | | | * | | | |->1xHfr4 (vitual) --->1xHf4a (real)---->1xHf4i(virtual) 2043P1
190// | | sb | | rad| * | | | | |-->322xHcol (real) 2043P1
191// | | | |____| * |______| | |
78bc9cb2 192// | | | ____ * ______ | |->1xHfr1 (real) --> 6xHppf(real) ---->8xHlar (virtual) 2001P1
193// | | | | | * | | | | |--->8xHsmo (virtual) 2001P1
8f16e0db 194// | | | | | * | | | |
78bc9cb2 195// | | | | | * | | | |-> 6xHgap (virtual) --->48xHrow (virtual) -->80xHcel (virtual) -->4xHcat (real) from p84 TDR
8f16e0db 196// | |______| |____| * |______| | |-->2xHano (real) from p84 TDR
197// |____________________________________| |-->1xHpad (real) from p84 TDR
198// --->Z
199 hmp->AddNode(sbo ,1,new TGeoTranslation( 0*mm, 0*mm, -73.75*mm)); //p.84 TDR
200 sbo->AddNode(hon ,1,new TGeoTranslation( 0*mm,0*mm, 0*mm)); //2072P1
201 sbo->AddNode(cov ,1,new TGeoTranslation( 0*mm,0*mm, +25*mm));
202 sbo->AddNode(cov ,2,new TGeoTranslation( 0*mm,0*mm, -25*mm));
203 hmp->AddNode(rad,2,new TGeoTranslation( 0*mm,+434*mm, -12.00*mm));
204 hmp->AddNode(rad,1,new TGeoTranslation( 0*mm, 0*mm, -12.00*mm));
205 hmp->AddNode(rad,0,new TGeoTranslation( 0*mm,-434*mm, -12.00*mm));
206 rad->AddNode(neo,1,new TGeoTranslation( 0*mm, 0*mm, -10.0*mm));
207 rad->AddNode(win,1,new TGeoTranslation( 0*mm, 0*mm, 9.5*mm));
208 rad->AddNode(si1,1,new TGeoTranslation( 0*mm,-204*mm, -0.5*mm)); rad->AddNode(si1,2,new TGeoTranslation( 0*mm,+204*mm, -0.5*mm));
209 rad->AddNode(si2,1,new TGeoTranslation(-660*mm, 0*mm, -0.5*mm)); rad->AddNode(si2,2,new TGeoTranslation(+660*mm, 0*mm, -0.5*mm));
210 for(Int_t i=0;i<3;i++) for(Int_t j=0;j<10;j++) rad->AddNode(spa,10*i+j,new TGeoTranslation(-1330*mm/2+116*mm+j*122*mm,(i-1)*105*mm,-0.5*mm));
211 hmp->AddNode(fr4,1,new TGeoTranslation( 0*mm, 0*mm, 9.00*mm)); //p.84 TDR
212 for(int i=1;i<=322;i++) fr4->AddNode(col,i,new TGeoCombiTrans( 0*mm, -1296/2*mm+i*4*mm,-5*mm,rot)); //F4 2043P1
213 fr4->AddNode(f4a,1,new TGeoTranslation( 0*mm,0*mm, 2.5*mm));
214 f4a->AddNode(f4i,1,new TGeoTranslation( 0*mm,0*mm, 0*mm));
78bc9cb2 215 hmp->AddNode(sec,4,new TGeoTranslation(-335*mm,+433*mm, 78.6*mm)); hmp->AddNode(sec,5,new TGeoTranslation(+335*mm,+433*mm, 78.6*mm));
216 hmp->AddNode(sec,2,new TGeoTranslation(-335*mm, 0*mm, 78.6*mm)); hmp->AddNode(sec,3,new TGeoTranslation(+335*mm, 0*mm, 78.6*mm));
217 hmp->AddNode(sec,0,new TGeoTranslation(-335*mm,-433*mm, 78.6*mm)); hmp->AddNode(sec,1,new TGeoTranslation(+335*mm,-433*mm, 78.6*mm));
218 sec->AddNode(gap,1,new TGeoTranslation(0,0,0.*mm));
8f16e0db 219 cel->AddNode(cat,1,new TGeoCombiTrans (0, 3.15*mm , -2.70*mm , rot)); //4 cathode wires
220 cel->AddNode(ano,1,new TGeoCombiTrans (0, 2.00*mm , -0.29*mm , rot)); //2 anod wires
221 cel->AddNode(cat,2,new TGeoCombiTrans (0, 1.05*mm , -2.70*mm , rot));
222 cel->AddNode(cat,3,new TGeoCombiTrans (0, -1.05*mm , -2.70*mm , rot));
223 cel->AddNode(ano,2,new TGeoCombiTrans (0, -2.00*mm , -0.29*mm , rot));
224 cel->AddNode(cat,4,new TGeoCombiTrans (0, -3.15*mm , -2.70*mm , rot));
225 cel->AddNode(pad,1,new TGeoTranslation(0, 0.00*mm , 2.25*mm)); //1 pad
78bc9cb2 226
227 hmp->AddNode(fr1,1,new TGeoTranslation(0.,0.,(80.+1.7)*mm+58.3*mm/2.));
228 fr1->AddNode(fr1up,1,new TGeoTranslation(0.,0.,(58.3*mm-20.00*mm)/2.));
229
230 fr1->AddNode(fr1perUpBig,0,new TGeoTranslation(0.,(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.));
231 fr1->AddNode(fr1perUpSma,0,new TGeoTranslation((1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.));
232 fr1->AddNode(fr1perUpBig,1,new TGeoTranslation(0.,-(1385-37-35)*mm/2.,(58.3*mm-20.00*2*mm-10.0*mm)/2.));
233 fr1->AddNode(fr1perUpSma,1,new TGeoTranslation(-(1426-37-35)*mm/2.,0.,(58.3*mm-20.00*2*mm-10.0*mm)/2.));
234
235 fr1->AddNode(fr1perDowBig,0,new TGeoTranslation(0.,(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.));
236 fr1->AddNode(fr1perDowSma,0,new TGeoTranslation((1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.));
237 fr1->AddNode(fr1perDowBig,1,new TGeoTranslation(0.,-(1385-37-46)*mm/2.,(-58.3*mm+2.3*mm)/2.));
238 fr1->AddNode(fr1perDowSma,1,new TGeoTranslation(-(1426-37-46)*mm/2.,0.,(-58.3*mm+2.3*mm)/2.));
239
240
241 fr1->AddNode(ppf,4,new TGeoTranslation(-335*mm,433*mm,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,5,new TGeoTranslation(335*mm,433*mm,(-58.3+38.3)*mm/2.));
242 fr1->AddNode(ppf,2,new TGeoTranslation(-335*mm,0.,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,3,new TGeoTranslation(335*mm,0.,(-58.3+38.3)*mm/2.));
243 fr1->AddNode(ppf,0,new TGeoTranslation(-335*mm,-433*mm,(-58.3+38.3)*mm/2.)); fr1->AddNode(ppf,1,new TGeoTranslation(335*mm,-433*mm,(-58.3+38.3)*mm/2.));
244
245
246
247
248
249
8f16e0db 250// ^ Y single cell 5.5mm CH4 = 1*mm CsI + 4.45*mm CsI x cath +0.05*mm safety margin
251// | ______________________________
252// | | | ^ ||
253// | | 1.05mm ||
254// 2.2*mm| xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- 50um x || cat shift x=0mm , y= 3.15mm , z=-2.70mm
255// | | ||
256// | | ||
257// __ | .......................... | 2.1mm 20un . || ano shift x=0mm , y= 2.00mm , z=-0.29mm
258// | | ||
259// | | ||
260// | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y= 1.05mm , z=-2.70mm
261// | | ||
262// | | 8.4mm ||
263// 4*mm | | 2.1mm || pad shift x=0mm , y= 0.00mm , z=2.25*mm
264// | | ||
265// | | ||
266// | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x || cat shift x=0mm , y=-1.05mm , z=-2.70mm
267// | | ||
268// | | ||
269// __ | .......................... | 2.1mm . 2.04mm|| ano shift x=0mm , y=-2.00mm , z=-0.29mm
270// | | ||
271// | | ||
272// | xxxxxxxxxxxxxxxxxxxxxxxxxxxx |-- x 4.45mm || cat shift x=0mm , y=-3.15mm , z=-2.70mm
273// 2.2*mm| | ||
274// | | 1.05mm ||
275// |______________________________| v ||
276// < 8 mm >
277// ----->X ----->Z
78bc9cb2 278 ppf->AddNode(lar,0,new TGeoTranslation(-224.5*mm,-151.875*mm, 0.*mm));
279 ppf->AddNode(lar,1,new TGeoTranslation(-224.5*mm,- 50.625*mm, 0.*mm));
280 ppf->AddNode(lar,2,new TGeoTranslation(-224.5*mm,+ 50.625*mm, 0.*mm));
281 ppf->AddNode(lar,3,new TGeoTranslation(-224.5*mm,+151.875*mm, 0.*mm));
282 ppf->AddNode(lar,4,new TGeoTranslation(+224.5*mm,-151.875*mm, 0.*mm));
283 ppf->AddNode(lar,5,new TGeoTranslation(+224.5*mm,- 50.625*mm, 0.*mm));
284 ppf->AddNode(lar,6,new TGeoTranslation(+224.5*mm,+ 50.625*mm, 0.*mm));
285 ppf->AddNode(lar,7,new TGeoTranslation(+224.5*mm,+151.875*mm, 0.*mm));
286 ppf->AddNode(smo,0,new TGeoTranslation(- 65.0*mm,-151.875*mm, 0.*mm));
287 ppf->AddNode(smo,1,new TGeoTranslation(- 65.0*mm,- 50.625*mm, 0.*mm));
288 ppf->AddNode(smo,2,new TGeoTranslation(- 65.0*mm,+ 50.625*mm, 0.*mm));
289 ppf->AddNode(smo,3,new TGeoTranslation(- 65.0*mm,+151.875*mm, 0.*mm));
290 ppf->AddNode(smo,4,new TGeoTranslation(+ 65.0*mm,-151.875*mm, 0.*mm));
291 ppf->AddNode(smo,5,new TGeoTranslation(+ 65.0*mm,- 50.625*mm, 0.*mm));
292 ppf->AddNode(smo,6,new TGeoTranslation(+ 65.0*mm,+ 50.625*mm, 0.*mm));
293 ppf->AddNode(smo,7,new TGeoTranslation(+ 65.0*mm,+151.875*mm, 0.*mm));
8f16e0db 294
ae5a42aa 295hmp->AddNode(fr3,1,new TGeoTranslation(0.,0.,(80.-29.)*mm-34.*mm/2));
296 fr3->AddNode( fr3up,1, new TGeoTranslation(0., 0., 7*mm));
297 fr3->AddNode(fr3down,1,new TGeoTranslation(0., 0., -10*mm));
8f16e0db 298
299 AliDebug(1,"Stop v2. HMPID option");
300}//CreateGeometry()
301//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
302void AliHMPIDv2::Init()
303{
304// This methode defines ID for sensitive volumes, i.e. such geometry volumes for which there are if(gMC->CurrentVolID()==XXX) statements in StepManager()
305// Arguments: none
306// Returns: none
307 AliDebug(1,"Start v2 HMPID.");
308 fIdPad = gMC->VolId("Hpad");
309 fIdCell = gMC->VolId("Hcel");
310 AliDebug(1,"Stop v2 HMPID.");
311}
312//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
313void AliHMPIDv2::DefineOpticalProperties()
314{
315// Optical properties definition.
316 const Int_t kNbins=30; //number of photon energy points
317 Float_t emin=5.5,emax=8.5; //Photon energy range,[eV]
318 Float_t aEckov [kNbins];
a9cc07fb 319 Double_t dEckov [kNbins];
8f16e0db 320 Float_t aAbsRad[kNbins], aAbsWin[kNbins], aAbsGap[kNbins], aAbsMet[kNbins];
321 Float_t aIdxRad[kNbins], aIdxWin[kNbins], aIdxGap[kNbins], aIdxMet[kNbins], aIdxPc[kNbins];
322 Float_t aQeAll [kNbins], aQePc [kNbins];
a9cc07fb 323 Double_t dReflMet[kNbins], dQePc[kNbins];
8f16e0db 324
37bac312 325 TF2 *pRaIF=new TF2("HidxRad","sqrt(1+0.554*(1239.84/x)^2/((1239.84/x)^2-5769)-0.0005*(y-20))" ,emin,emax,0,50); //DiMauro mail temp 0-50 degrees C
8f16e0db 326 TF1 *pWiIF=new TF1("HidxWin","sqrt(1+46.411/(10.666*10.666-x*x)+228.71/(18.125*18.125-x*x))" ,emin,emax); //SiO2 idx TDR p.35
327 TF1 *pGaIF=new TF1("HidxGap","1+0.12489e-6/(2.62e-4 - x*x/1239.84/1239.84)" ,emin,emax); //?????? from where
328
329 TF1 *pRaAF=new TF1("HabsRad","(x<7.8)*(gaus+gaus(3))+(x>=7.8)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
330 pRaAF->SetParameters(3.20491e16,-0.00917890,0.742402,3035.37,4.81171,0.626309);
331 TF1 *pWiAF=new TF1("HabsWin","(x<8.2)*(818.8638-301.0436*x+36.89642*x*x-1.507555*x*x*x)+(x>=8.2)*0.0001" ,emin,emax); //fit from DiMauro data 28.10.03
332 TF1 *pGaAF=new TF1("HabsGap","(x<7.75)*6512.399+(x>=7.75)*3.90743e-2/(-1.655279e-1+6.307392e-2*x-8.011441e-3*x*x+3.392126e-4*x*x*x)",emin,emax); //????? from where
333
334 TF1 *pQeF =new TF1("Hqe" ,"0+(x>6.07267)*0.344811*(1-exp(-1.29730*(x-6.07267)))" ,emin,emax); //fit from DiMauro data 28.10.03
59d9d4b3 335
336 TString title=GetTitle();
337 Bool_t isFlatIdx=title.Contains("FlatIdx");
338
8f16e0db 339 for(Int_t i=0;i<kNbins;i++){
340 Float_t eV=emin+0.1*i; //Ckov energy in eV
341 aEckov [i] =1e-9*eV; //Ckov energy in GeV
a9cc07fb 342 dEckov [i] = aEckov[i];
59d9d4b3 343 aAbsRad[i]=pRaAF->Eval(eV); (isFlatIdx)? aIdxRad[i]=1.292: aIdxRad[i]=pRaIF->Eval(eV,20);
344 aAbsWin[i]=pWiAF->Eval(eV); aIdxWin[i]=pWiIF->Eval(eV);
345 aAbsGap[i]=pGaAF->Eval(eV); aIdxGap[i]=pGaIF->Eval(eV);
8f16e0db 346 aQeAll[i] =1; //QE for all other materials except for PC must be 1.
347 aAbsMet[i] =0.0001; aIdxMet[i]=0; //metal ref idx must be 0 in order to reflect photon
348 aIdxPc [i]=1; aQePc [i]=pQeF->Eval(eV); //PC ref idx must be 1 in order to apply photon to QE conversion
a9cc07fb 349 dQePc [i]=pQeF->Eval(eV);
350 dReflMet[i] = 0.; // no reflection on the surface of the pc (?)
8f16e0db 351 }
352 gMC->SetCerenkov((*fIdtmed)[kC6F14] , kNbins, aEckov, aAbsRad , aQeAll , aIdxRad );
353 gMC->SetCerenkov((*fIdtmed)[kSiO2] , kNbins, aEckov, aAbsWin , aQeAll , aIdxWin );
354 gMC->SetCerenkov((*fIdtmed)[kCH4] , kNbins, aEckov, aAbsGap , aQeAll , aIdxGap );
355 gMC->SetCerenkov((*fIdtmed)[kCu] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet );
356 gMC->SetCerenkov((*fIdtmed)[kW] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet ); //n=0 means reflect photons
357 gMC->SetCerenkov((*fIdtmed)[kCsI] , kNbins, aEckov, aAbsMet , aQePc , aIdxPc ); //n=1 means convert photons
358 gMC->SetCerenkov((*fIdtmed)[kAl] , kNbins, aEckov, aAbsMet , aQeAll , aIdxMet );
a9cc07fb 359
360 // Define a skin surface for the photocatode to enable 'detection' in G4
361 gMC->DefineOpSurface("surfPc", kGlisur /*kUnified*/,kDielectric_metal,kPolished, 0.);
362 gMC->SetMaterialProperty("surfPc", "EFFICIENCY", kNbins, dEckov, dQePc);
363 gMC->SetMaterialProperty("surfPc", "REFLECTIVITY", kNbins, dEckov, dReflMet);
364 gMC->SetSkinSurface("skinPc", "Rpc", "surfPc");
365
8f16e0db 366 delete pRaAF;delete pWiAF;delete pGaAF; delete pRaIF; delete pWiIF; delete pGaIF; delete pQeF;
367}
368//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
369Bool_t AliHMPIDv2::IsLostByFresnel()
370{
371// Calculate probability for the photon to be lost by Fresnel reflection.
372 TLorentzVector p4;
373 Double_t mom[3],localMom[3];
374 gMC->TrackMomentum(p4); mom[0]=p4(1); mom[1]=p4(2); mom[2]=p4(3);
375 localMom[0]=0; localMom[1]=0; localMom[2]=0;
376 gMC->Gmtod(mom,localMom,2);
377 Double_t localTc = localMom[0]*localMom[0]+localMom[2]*localMom[2];
378 Double_t localTheta = TMath::ATan2(TMath::Sqrt(localTc),localMom[1]);
379 Double_t cotheta = TMath::Abs(TMath::Cos(localTheta));
380 if(gMC->GetRandom()->Rndm() < Fresnel(p4.E()*1e9,cotheta,1)){
381 AliDebug(1,"Photon lost");
382 return kTRUE;
383 }else
384 return kFALSE;
385}//IsLostByFresnel()
386//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
387void AliHMPIDv2::GenFee(Float_t qtot)
388{
389// Generate FeedBack photons for the current particle. To be invoked from StepManager().
390// eloss=0 means photon so only pulse height distribution is to be analysed.
391 TLorentzVector x4;
392 gMC->TrackPosition(x4);
393 Int_t iNphotons=gMC->GetRandom()->Poisson(0.02*qtot); //# of feedback photons is proportional to the charge of hit
394 AliDebug(1,Form("N photons=%i",iNphotons));
395 Int_t j;
396 Float_t cthf, phif, enfp = 0, sthf, e1[3], e2[3], e3[3], vmod, uswop,dir[3], phi,pol[3], mom[4];
397//Generate photons
398 for(Int_t i=0;i<iNphotons;i++){//feedbacks loop
399 Double_t ranf[2];
400 gMC->GetRandom()->RndmArray(2,ranf); //Sample direction
401 cthf=ranf[0]*2-1.0;
402 if(cthf<0) continue;
403 sthf = TMath::Sqrt((1 - cthf) * (1 + cthf));
404 phif = ranf[1] * 2 * TMath::Pi();
405
406 if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57)
407 enfp = 7.5e-9;
408 else if(randomNumber<=0.7)
409 enfp = 6.4e-9;
410 else
411 enfp = 7.9e-9;
412
413
414 dir[0] = sthf * TMath::Sin(phif); dir[1] = cthf; dir[2] = sthf * TMath::Cos(phif);
415 gMC->Gdtom(dir, mom, 2);
416 mom[0]*=enfp; mom[1]*=enfp; mom[2]*=enfp;
417 mom[3] = TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]+mom[2]*mom[2]);
418
419 // Polarisation
420 e1[0]= 0; e1[1]=-dir[2]; e1[2]= dir[1];
421 e2[0]=-dir[1]; e2[1]= dir[0]; e2[2]= 0;
422 e3[0]= dir[1]; e3[1]= 0; e3[2]=-dir[0];
423
424 vmod=0;
425 for(j=0;j<3;j++) vmod+=e1[j]*e1[j];
426 if (!vmod) for(j=0;j<3;j++) {
427 uswop=e1[j];
428 e1[j]=e3[j];
429 e3[j]=uswop;
430 }
431 vmod=0;
432 for(j=0;j<3;j++) vmod+=e2[j]*e2[j];
433 if (!vmod) for(j=0;j<3;j++) {
434 uswop=e2[j];
435 e2[j]=e3[j];
436 e3[j]=uswop;
437 }
438
439 vmod=0; for(j=0;j<3;j++) vmod+=e1[j]*e1[j]; vmod=TMath::Sqrt(1/vmod); for(j=0;j<3;j++) e1[j]*=vmod;
440 vmod=0; for(j=0;j<3;j++) vmod+=e2[j]*e2[j]; vmod=TMath::Sqrt(1/vmod); for(j=0;j<3;j++) e2[j]*=vmod;
441
442 phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi();
443 for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi);
444 gMC->Gdtom(pol, pol, 2);
445 Int_t outputNtracksStored;
446 gAlice->GetMCApp()->PushTrack(1, //transport
447 gAlice->GetMCApp()->GetCurrentTrackNumber(),//parent track
448 50000051, //PID
449 mom[0],mom[1],mom[2],mom[3], //track momentum
450 x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin
451 pol[0],pol[1],pol[2], //polarization
452 kPFeedBackPhoton, //process ID
453 outputNtracksStored, //on return how many new photons stored on stack
454 1.0); //weight
455 }//feedbacks loop
456 AliDebug(1,"Stop.");
457}//GenerateFeedbacks()
458//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
459void AliHMPIDv2::Hits2SDigits()
460{
461// Interface method ivoked from AliSimulation to create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
462// Arguments: none
463// Returns: none
464 AliDebug(1,"Start.");
465 for(Int_t iEvt=0;iEvt < GetLoader()->GetRunLoader()->GetNumberOfEvents();iEvt++){ //events loop
466 GetLoader()->GetRunLoader()->GetEvent(iEvt); //get next event
467
468 if(!GetLoader()->TreeH()) {GetLoader()->LoadHits(); }
469 if(!GetLoader()->TreeS()) {GetLoader()->MakeTree("S"); MakeBranch("S");}//to
470
471 for(Int_t iEnt=0;iEnt<GetLoader()->TreeH()->GetEntries();iEnt++){//prims loop
472 GetLoader()->TreeH()->GetEntry(iEnt);
473 Hit2Sdi(Hits(),SdiLst());
474 }//prims loop
475 GetLoader()->TreeS()->Fill();
476 GetLoader()->WriteSDigits("OVERWRITE");
477 SdiReset();
478 }//events loop
479 GetLoader()->UnloadHits();
480 GetLoader()->UnloadSDigits();
481 AliDebug(1,"Stop.");
482}//Hits2SDigits()
483//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
484void AliHMPIDv2::Hit2Sdi(TClonesArray *pHitLst,TClonesArray *pSdiLst)
485{
486// Converts list of hits to list of sdigits.
487// Arguments: pHitLst - list of hits provided not empty
488// pSDigLst - list of sdigits where to store the results
489// Returns: none
490 for(Int_t iHit=0;iHit<pHitLst->GetEntries();iHit++){ //hits loop
491 AliHMPIDHit *pHit=(AliHMPIDHit*)pHitLst->At(iHit); //get pointer to current hit
492 pHit->Hit2Sdi(pSdiLst); //convert this hit to list of sdigits
493 }//hits loop loop
494}//Hits2Sdi()
495//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
496void AliHMPIDv2::Digits2Raw()
497{
498// Interface method invoked by AliSimulation to create raw data streams from digits. Events loop is done in AliSimulation
499// Arguments: none
500// Returns: none
501 AliDebug(1,"Start.");
502 GetLoader()->LoadDigits();
503 TTree * treeD = GetLoader()->TreeD();
504 if(!treeD) {
505 AliError("No digits tree!");
506 return;
507 }
508 treeD->GetEntry(0);
509
21f61e25 510
aa85549f 511 AliHMPIDRawStream *pRS=0x0;
21f61e25 512 pRS->WriteRaw(DigLst());
513
8f16e0db 514 GetLoader()->UnloadDigits();
515 AliDebug(1,"Stop.");
516}//Digits2Raw()
517//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
518Float_t AliHMPIDv2::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
519{
520// Correction for Fresnel ???????????
521// Arguments: ene - photon energy [GeV],
522// PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
523// Returns:
524 Float_t en[36] = {5.0,5.1,5.2,5.3,5.4,5.5,5.6,5.7,5.8,5.9,6.0,6.1,6.2,
525 6.3,6.4,6.5,6.6,6.7,6.8,6.9,7.0,7.1,7.2,7.3,7.4,7.5,7.6,7.7,
526 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
527 Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
528 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
529 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
530 1.72,1.53};
531 Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
532 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
533 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
534 1.714,1.498};
535 Float_t xe=ene;
536 Int_t j=Int_t(xe*10)-49;
537 Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
538 Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
539
540 //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
541 //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
542
543 Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
544 Float_t tanin=sinin/pdoti;
545
546 Float_t c1=cn*cn-ck*ck-sinin*sinin;
547 Float_t c2=4*cn*cn*ck*ck;
548 Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
549 Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
550
551 Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
552 Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
553
554
555 //CORRECTION FACTOR FOR SURFACE ROUGHNESS
556 //B.J. STAGG APPLIED OPTICS, 30(1991),4113
557
558 Float_t sigraf=18.;
559 Float_t lamb=1240/ene;
560 Float_t fresn;
561
562 Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
563
564 if(pola)
565 {
566 Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S
567 fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
568 }
569 else
570 fresn=0.5*(rp+rs);
571
572 fresn = fresn*rO;
573 return fresn;
574}//Fresnel()
575//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
576void AliHMPIDv2::Print(Option_t *option)const
577{
578// Debug printout
579 TObject::Print(option);
580}//void AliHMPID::Print(Option_t *option)const
581//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
582Bool_t AliHMPIDv2::Raw2SDigits(AliRawReader *pRR)
583{
584// Interface methode ivoked from AliSimulation to create a list of sdigits from raw digits. Events loop is done in AliSimulation
585// Arguments: pRR- raw reader
586// Returns: kTRUE on success (currently ignored in AliSimulation::ConvertRaw2SDigits())
21f61e25 587
8f16e0db 588 AliHMPIDDigit sdi; //tmp sdigit, raw digit will be converted to it
8f16e0db 589 if(!GetLoader()->TreeS()) {MakeTree("S"); MakeBranch("S");}
590
591 TClonesArray *pSdiLst=SdiLst(); Int_t iSdiCnt=0; //tmp list of sdigits for all chambers
21f61e25 592 AliHMPIDRawStream stream(pRR);
593 while(stream.Next())
594 {
595 UInt_t ddl=stream.GetDDLNumber(); //returns 0,1,2 ... 13
596 for(Int_t row = 1; row <=AliHMPIDRawStream::kNRows; row++){
597 for(Int_t dil = 1; dil <=AliHMPIDRawStream::kNDILOGICAdd; dil++){
598 for(Int_t pad = 0; pad < AliHMPIDRawStream::kNPadAdd; pad++){
599 if(stream.GetCharge(ddl,row,dil,pad)<1) continue;
600 AliHMPIDDigit sdi(stream.GetPad(ddl,row,dil,pad),stream.GetCharge(ddl,row,dil,pad));
601 new((*pSdiLst)[iSdiCnt++]) AliHMPIDDigit(sdi); //add this digit to the tmp list
602 }//pad
603 }//dil
604 }//row
605 }
606
8f16e0db 607 GetLoader()->TreeS()->Fill(); GetLoader()->WriteSDigits("OVERWRITE");//write out sdigits
608 SdiReset();
609 return kTRUE;
610}//Raw2SDigits
611//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
612void AliHMPIDv2::StepCount()
613{
614// Count number of ckovs created
615}
616//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
617void AliHMPIDv2::StepHistory()
618{
619// This methode is invoked from StepManager() in order to print out
620 static Int_t iStepN;
621 const char *sParticle;
622 switch(gMC->TrackPid()){
623 case kProton: sParticle="PROTON" ;break;
624 case kNeutron: sParticle="neutron" ;break;
625 case kGamma: sParticle="gamma" ;break;
626 case 50000050: sParticle="CKOV" ;break;
627 case kPi0: sParticle="Pi0" ;break;
628 case kPiPlus: sParticle="Pi+" ;break;
629 case kPiMinus: sParticle="Pi-" ;break;
630 case kElectron: sParticle="electron" ;break;
631 default: sParticle="not known" ;break;
632 }
633
634 TString flag="fanny combination";
635 if(gMC->IsTrackAlive())
636 if(gMC->IsTrackEntering()) flag="enters to";
637 else if(gMC->IsTrackExiting()) flag="exits from";
638 else if(gMC->IsTrackInside()) flag="inside";
639 else
640 if(gMC->IsTrackStop()) flag="stoped in";
641
8f16e0db 642 Int_t vid=0,copy=0;
643 TString path=gMC->CurrentVolName(); path.Prepend("-");path.Prepend(gMC->CurrentVolOffName(1));//current volume and his mother are always there
644 vid=gMC->CurrentVolOffID(2,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));}
645 vid=gMC->CurrentVolOffID(3,copy); if(vid) {path.Prepend("-");path.Prepend(gMC->VolName(vid));}
646
647
648 Printf("Step %i: %s (%i) %s %s m=%.6f GeV q=%.1f dEdX=%.4f Etot=%.4f",iStepN,sParticle,gMC->TrackPid(),flag.Data(),path.Data(),gMC->TrackMass(),gMC->TrackCharge(),gMC->Edep()*1e9,gMC->Etot());
649
650 Double_t gMcTrackPos[3]; gMC->TrackPosition(gMcTrackPos[0],gMcTrackPos[1],gMcTrackPos[2]);
651 Double_t gMcTrackPosLoc[3]; gMC->Gmtod(gMcTrackPos,gMcTrackPosLoc,1);
652 Printf("gMC Track Position (MARS) x: %5.3lf, y: %5.3lf, z: %5.3lf (r: %5.3lf) ---> (LOC) x: %5.3f, y: %5.3f, z: %5.3f",gMcTrackPos[0],gMcTrackPos[1],gMcTrackPos[2],TMath::Sqrt(gMcTrackPos[0]*gMcTrackPos[0]+gMcTrackPos[1]*gMcTrackPos[1]+gMcTrackPos[2]*gMcTrackPos[2]),gMcTrackPosLoc[0],gMcTrackPosLoc[1],gMcTrackPosLoc[2]);
653
654
655
656 Printf("Step %i: tid=%i flags alive=%i disap=%i enter=%i exit=%i inside=%i out=%i stop=%i new=%i",
657 iStepN, gAlice->GetMCApp()->GetCurrentTrackNumber(),
658 gMC->IsTrackAlive(), gMC->IsTrackDisappeared(),gMC->IsTrackEntering(), gMC->IsTrackExiting(),
659 gMC->IsTrackInside(),gMC->IsTrackOut(), gMC->IsTrackStop(), gMC->IsNewTrack());
660
661 Float_t a,z,den,rad,abs; a=z=den=rad=abs=-1;
662 Int_t mid=gMC->CurrentMaterial(a,z,den,rad,abs);
663 Printf("Step %i: mid=%i a=%7.2f z=%7.2f den=%9.4f rad=%9.2f abs=%9.2f\n\n",iStepN,mid,a,z,den,rad,abs);
664
665 TArrayI proc; gMC->StepProcesses(proc);
666 Printf("Processes in this step:");
667 for ( int i = 0 ; i < proc.GetSize(); i++)
668 {
669 Printf("%s",TMCProcessName[proc.At(i)]);
670 }
671 Printf("End process list");
672
673 iStepN++;
674}//StepHistory()
675//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
676void AliHMPIDv2::StepManager()
677{
678// Full Step Manager.
679// Arguments: none
680// Returns: none
681// StepHistory(); return; //uncomment to print tracks history
682 // StepCount(); return; //uncomment to count photons
683
684 Int_t copy; //volume copy aka node
685
686//Treat photons
687 if((gMC->TrackPid()==50000050||gMC->TrackPid()==50000051)&&gMC->CurrentVolID(copy)==fIdPad){ //photon (Ckov or feedback) hit PC (fIdPad)
688 if(gMC->Edep()>0){ //photon survided QE test i.e. produces electron
689 if(IsLostByFresnel()){ gMC->StopTrack(); return;} //photon lost due to fersnel reflection on PC
59d9d4b3 690 gMC->CurrentVolOffID(5,copy); //current chamber since geomtry tree is Hmp-Hsec-Hgap-Hrow-Hcel-Hpad
8f16e0db 691 Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID
692 Int_t pid= gMC->TrackPid(); //take PID
693 Float_t etot= gMC->Etot(); //total hpoton energy, [GeV]
694 Double_t x[3]; gMC->TrackPosition(x[0],x[1],x[2]); //take MARS position at entrance to PC
695 Float_t xl,yl; AliHMPIDParam::Instance()->Mars2Lors(copy,x,xl,yl); //take LORS position
8f16e0db 696 new((*fHits)[fNhits++])AliHMPIDHit(copy,etot,pid,tid,xl,yl,x); //HIT for photon, position at P, etot will be set to Q
59d9d4b3 697 if(fDoFeed) GenFee(etot); //generate feedback photons etot is modified in hit ctor to Q of hit
8f16e0db 698 }//photon hit PC and DE >0
699 }//photon hit PC
700
701//Treat charged particles
702 static Float_t eloss; //need to store mip parameters between different steps
12419ec4 703 static Double_t in[3];
704 if(gMC->IsTrackEntering() && gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdPad) //Trackref stored when entering in the pad volume
5e2a2ffa 705 AddTrackReference(gMC->GetStack()->GetCurrentTrackNumber(), AliTrackReference::kHMPID); //for acceptance calculations
8f16e0db 706 if(gMC->TrackCharge() && gMC->CurrentVolID(copy)==fIdCell){ //charged particle in amplification gap (fIdCell)
707 if(gMC->IsTrackEntering()||gMC->IsNewTrack()) { //entering or newly created
708 eloss=0; //reset Eloss collector
709 gMC->TrackPosition(in[0],in[1],in[2]); //take position at the entrance
710 }else if(gMC->IsTrackExiting()||gMC->IsTrackStop()||gMC->IsTrackDisappeared()){ //exiting or disappeared
711 eloss +=gMC->Edep(); //take into account last step Eloss
712 gMC->CurrentVolOffID(4,copy); //take current chamber since geometry tree is Hmp-Hsec-Hgap-Hrow-Hcel
713 Int_t tid= gMC->GetStack()->GetCurrentTrackNumber(); //take TID
714 Int_t pid= gMC->TrackPid(); //take PID
715 Double_t out[3]; gMC->TrackPosition(out[0],out[1],out[2]); //take MARS position at exit
716 out[0]=0.5*(out[0]+in[0]); //>
717 out[1]=0.5*(out[1]+in[1]); //take hit position at the anod plane
718 out[2]=0.5*(out[2]+in[2]); //>
719 Float_t xl,yl;AliHMPIDParam::Instance()->Mars2Lors(copy,out,xl,yl); //take LORS position
8f16e0db 720 new((*fHits)[fNhits++])AliHMPIDHit(copy,eloss,pid,tid,xl,yl,out); //HIT for MIP, position near anod plane, eloss will be set to Q
59d9d4b3 721 if(fDoFeed) GenFee(eloss); //generate feedback photons
8f16e0db 722 }else //just going inside
723 eloss += gMC->Edep(); //collect this step eloss
724 }//MIP in GAP
725}//StepManager()
726//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
80c418c4 727void AliHMPIDv2::TestPoint(Int_t ch,Float_t x,Float_t y)
728{
729// Utility method to check the validity of geometry by poviding some crucial points
730// Arguments: ch,x,y- crucial point definition (cm) in LORS
731// Returns: none
732 Double_t mars[3];
733 AliHMPIDParam::Instance()->Lors2Mars(ch,x,y,mars);
734 Printf("(ch=%i,locX=%.2f,locY=%.2f) %s",ch,x,y,gGeoManager->FindNode(mars[0],mars[1],mars[2])->GetName());
735}//TestPoint()
736//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
737void AliHMPIDv2::TestGeom()
738{
a137507f 739//
740// Test method to check geometry
741//
e4290ede 742 //TGeoManager::Import("misaligned_geometry.root");
743 TGeoManager::Import("geometry.root");
ae5a42aa 744 for(Int_t ch=AliHMPIDParam::kMinCh;ch<=AliHMPIDParam::kMaxCh;ch++)
80c418c4 745 TestPoint(ch,0,0);
a137507f 746}//TestPoint()
a47b5293 747//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
748
749void AliHMPIDv2::IdealPosition(Int_t iCh,TGeoHMatrix *pMatrix) //ideal position of given chamber
750{
751// Construct ideal position matrix for a given chamber
752// Arguments: iCh- chamber ID; pMatrix- pointer to precreated unity matrix where to store the results
753// Returns: none
754 const Double_t kAngHor=19.5; // horizontal angle between chambers 19.5 grad
755 const Double_t kAngVer=20; // vertical angle between chambers 20 grad
756 const Double_t kAngCom=30; // common HMPID rotation with respect to x axis 30 grad
757 const Double_t kTrans[3]={490,0,0}; // center of the chamber is on window-gap surface
758 pMatrix->RotateY(90); // rotate around y since initial position is in XY plane -> now in YZ plane
759 pMatrix->SetTranslation(kTrans); // now plane in YZ is shifted along x
760 switch(iCh){
761 case 0: pMatrix->RotateY(kAngHor); pMatrix->RotateZ(-kAngVer); break; //right and down
762 case 1: pMatrix->RotateZ(-kAngVer); break; //down
763 case 2: pMatrix->RotateY(kAngHor); break; //right
764 case 3: break; //no rotation
765 case 4: pMatrix->RotateY(-kAngHor); break; //left
766 case 5: pMatrix->RotateZ(kAngVer); break; //up
767 case 6: pMatrix->RotateY(-kAngHor); pMatrix->RotateZ(kAngVer); break; //left and up
768 }
769 pMatrix->RotateZ(kAngCom); //apply common rotation in XY plane
770}