Store in ESD mip Q as pTrk->SetRICHnclusters(100000*Q+nphots)
[u/mrichter/AliRoot.git] / RICH / AliRICHParam.cxx
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53fd478b 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// **************************************************************************
db910db9 15#include "AliRICHParam.h" //class header
101624cd 16#include "AliESD.h"
db910db9 17#include <TCanvas.h> //TestXXX()
a25b3368 18#include <TLatex.h>
19#include <THStack.h>
20#include <TLegend.h>
21#include <TView.h>
22#include <TPolyMarker3D.h>
23#include <TPolyLine3D.h>
d3eb6079 24#include <TPolyLine.h>
101624cd 25#include <TSystem.h>
d0831219 26#include <TVector2.h>
27#include <TVector3.h>
28#include <TRotation.h>
db910db9 29#include <AliCDBManager.h> //CdbRead()
30#include <AliCDBStorage.h> //CdbRead()
31#include <AliCDBEntry.h> //CdbRead()
32#include <AliRunLoader.h> //Stack()
33#include <AliStack.h> //Stack()
34#include <TParticle.h> //Stack()
35#include "AliRICHHelix.h" //TestTrans()
db3aa6a3 36#include <TLine.h>
37
38
56148d0e 39
ed3ceb24 40ClassImp(AliRICHParam)
db910db9 41AliRICHParam * AliRICHParam::fgInstance =0x0; //singleton pointer
db910db9 42//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
43AliRICHParam::AliRICHParam():TNamed("RichParam","default version")
e42a7b46 44{
db910db9 45// Here all the intitializition is taken place when AliRICHParam::Instance() is invoked for the first time.
46// In particulare, matrices to be used for LORS<->MARS trasnformations are initialized from TGeo structure.
47// Note that TGeoManager should be already initialized from geometry.root file
48 for(Int_t iCh=0;iCh<kNchambers;iCh++) fMatrix[iCh]=(TGeoHMatrix*)gGeoManager->GetVolume("ALIC")->GetNode(Form("RICH_%i",iCh+1))->GetMatrix();
49 CdbRead(0,0);
50 fgInstance=this;
51}//ctor
52//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
a25b3368 53Float_t AliRICHParam::AbsCH4(Float_t eV)
54{
db910db9 55// Evaluate the absorbtion lenght of CH4 for a photon of energy eV in electron-volts
a25b3368 56 const Float_t kLoschmidt=2.686763e19; // LOSCHMIDT NUMBER IN CM-3
57 const Float_t kPressure=750.0; //mm of Hg
58 const Float_t kTemperature=283.0; //K (10 grad C)
59 const Float_t kPn=kPressure/760.;
60 const Float_t kTn=kTemperature/273.16;
61 const Float_t kC0=-1.655279e-1;
62 const Float_t kC1= 6.307392e-2;
63 const Float_t kC2=-8.011441e-3;
64 const Float_t kC3= 3.392126e-4;
65
66 Float_t crossSection=0;
67 if (eV<7.75)
68 crossSection=0.06e-22;
69 else //------ METHANE CROSS SECTION cm-2 ASTROPH. J. 214, L47 (1978)
70 crossSection=(kC0+kC1*eV+kC2*eV*eV+kC3*eV*eV*eV)*1.e-18;
71
72 Float_t density=kLoschmidt*kPn/kTn; //CH4 molecular concentration (cm^-3)
73 return 1.0/(density*crossSection);
74}//AbsoCH4()
db910db9 75//__________________________________________________________________________________________________sss
76void AliRICHParam::CdbRead(Int_t run,Int_t version)
77{
78// This methode read all the calibration information and initialise corresponding fields for requested run number
79// Arguments: run - run number for which to retrieve calibration
80// version- version number
81// Returns: none
82
83 AliCDBEntry *pEntry=AliCDBManager::Instance()->Get("RICH/RICHConfig/RefIdxC6F14",run,0,version); //try to get from common local storage
84 if(pEntry){
e4ee08d2 85 fIdxC6F14=(TF2*)pEntry->GetObject();
86 if(!(AliCDBManager::Instance()->GetCacheFlag())) delete pEntry;
db910db9 87 }else{
88 AliWarning("No valid calibarion, the hardcoded will be used!");
89 fIdxC6F14=new TF2("RidxC4F14","sqrt(1+0.554*(1239.84e-9/x)^2/((1239.84e-9/x)^2-5796)-0.0005*(y-20))",5.5e-9,8.5e-9,0,50); //DiMauro mail
90 fIdxC6F14->SetUniqueID(20);//T=20 deg C
91 }
92}//CdbRead()
93//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
94void AliRICHParam::Print(Option_t* opt) const
95{
96// print some usefull (hopefully) info on some internal guts of RICH parametrisation
97 Printf("Pads in chamber (%3i,%3i) in sector (%2i,%2i) pad size (%4.2f,%4.2f)",NpadsX(),NpadsY(),NpadsXsec(),NpadsYsec(),PadSizeX(),PadSizeY());
db910db9 98
99 for(Int_t i=0;i<kNchambers;i++) fMatrix[i]->Print(opt);
100}//Print()
101//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
a25b3368 102void AliRICHParam::TestSeg()
ae754cdf 103{
db910db9 104// Provides a set of pictures to test segementation currently in use.
105// Arguments: none
106// Returns: none
db3aa6a3 107 new TCanvas("pads","View from electronics side, IP is behind the picture.");
108 gPad->Range(-5,-5,PcSizeX()+5,PcSizeY()+5);
d3eb6079 109// list of corners:
db3aa6a3 110 DrawSectors(kTRUE);
d3eb6079 111 TLatex t;
db3aa6a3 112 t.SetTextSize(0.02);
113 t.SetTextColor(kRed) ;t.SetTextAlign(11); t.DrawLatex(0 ,PcSizeY(),Form("Pad size %.2fx%.2fcm dead zone %.2fcm",PadSizeX(),PadSizeY(),DeadZone()));
114 t.SetTextColor(kBlue) ;t.SetTextAlign(21); t.DrawLatex(SecSizeX(),PcSizeY(),Form("Pc size %.2fx%.2fcm %ix%i pads" ,PcSizeX() ,PcSizeY() ,NpadsX() ,NpadsY()));
115 t.SetTextColor(kMagenta);t.SetTextAlign(31); t.DrawLatex(PcSizeX() ,PcSizeY(),Form("Sec size %.2fx%.2fcm %ix%i pads" ,SecSizeX(),SecSizeY(),NpadsXsec() ,NpadsYsec()));
116
117
118// TVector p(2); TVector2 c; TVector2 b; //current: pad, pad center, pad boundary
119// Double_t x0=0,x1=SecSizeX(),x2=SecSizeX()+DeadZone() ,x3=PcSizeX();
120// Double_t y0=0,y1=SecSizeY(),y2=SecSizeY()+DeadZone(),y3=2*SecSizeY()+DeadZone(),y4=PcSizeY()-SecSizeY(),y5=PcSizeY();
d3eb6079 121 t.SetTextSize(0.015); t.SetTextColor(kBlue);
122
db3aa6a3 123// b.Set(x0,y0);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
124// b.Set(x0,y1);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
125// b.Set(x0,y2);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
126// b.Set(x0,y3);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
127// b.Set(x0,y4);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
128// b.Set(x0,y5);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
129//
130// b.Set(x1,y0);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
131// b.Set(x1,y1);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
132// b.Set(x1,y2);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
133// b.Set(x1,y3);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
134// b.Set(x1,y4);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
135// b.Set(x1,y5);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
136//
137// b.Set(x2,y0);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
138// b.Set(x2,y1);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
139// b.Set(x2,y2);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
140// b.Set(x2,y3);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
141// b.Set(x2,y4);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(11);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
142// b.Set(x2,y5);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(13);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
143//
144// b.Set(x3,y0);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
145// b.Set(x3,y1);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
146// b.Set(x3,y2);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
147// b.Set(x3,y3);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
148// b.Set(x3,y4);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(31);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
149// b.Set(x3,y5);p=Loc2Pad(b);c=Pad2Loc(p);t.SetTextAlign(33);t.DrawText(c.X(),c.Y(),Form("(%.2f,%.2f)-(%.0f,%.0f)-(%.2f,%.2f)",b.X(),b.Y(),p(0),p(1),c.X(),c.Y()));
150
151//Now all chambers view
152 TCanvas *pC=new TCanvas("cc","Chambers view from electronics side - IP is behind the picture"); pC->Divide(3,3);
153 t.SetTextSize(0.05);
154 for(Int_t i=1;i<=7;i++){
155 if(i==1) pC->cd(9); if(i==2) pC->cd(8); if(i==3) pC->cd(6); if(i==4) pC->cd(5); if(i==5) pC->cd(4); if(i==6) pC->cd(2); if(i==7) pC->cd(1);
156 gPad->Range(-5,-5,PcSizeX()+5,PcSizeY()+10);
157 DrawSectors(kTRUE);
158 t.SetTextColor(kBlack); t.SetTextAlign(21); t.DrawText(SecSizeX(),PcSizeY(),Form("Cham %i",i));
159 t.SetTextColor(41); t.SetTextAlign(11); t.DrawText(0 ,PcSizeY(),Form("DDL ID %i",1536+2*i-2)); //left half of chamber
160 t.SetTextColor(29); t.SetTextAlign(31); t.DrawText(PcSizeX() ,PcSizeY(),Form("DDL ID %i",1536+2*i-1)); //right half of chamber
161 }
a25b3368 162}//TestSeg()
163//__________________________________________________________________________________________________
164void AliRICHParam::TestResp()
165{
db910db9 166// Provides a set of plot to check the response parametrisation currently in use.
167// Arguments: none
168// Returns: none
a25b3368 169 TCanvas *pC=new TCanvas("c","Amplification test",900,800);
170 pC->Divide(1,2);
171
172
ae754cdf 173 const Int_t kNpoints=8;
a25b3368 174 THStack *pStackPhot=new THStack("StackPhot","photons");
175 THStack *pStackMip =new THStack("StackMip","mips");
176 TLegend *pLeg=new TLegend(0.6,0.2,0.9,0.5,"legend");
ae754cdf 177 TH1F *apHphot[kNpoints];
178 TH1F *apHmip[kNpoints];
a25b3368 179
180 Double_t starty=0;
db910db9 181 Double_t deltay=AliRICHParam::SecSizeY()/kNpoints;
a25b3368 182
ae754cdf 183 for(int i=0;i<kNpoints;i++){
a25b3368 184 apHphot[i]=new TH1F(Form("hphot%i",i),"Qdc for Photon;QDC;Counts",500,0,500); apHphot[i]->SetLineColor(i);pStackPhot->Add(apHphot[i]);
185 apHmip[i] =new TH1F(Form("hmip%i",i),"Qdc for Mip;QDC;Counts",4000,0,4000); apHmip[i]->SetLineColor(i);pStackMip->Add(apHmip[i]);
186
db910db9 187 pLeg->AddEntry(apHphot[i],Form("@(10,%5.2f->%5.2f)",starty+i*deltay,starty+i*deltay-SecSizeY()/2));
a25b3368 188 }
189
190
191 TVector2 x2(0,0);
192 for(Int_t i=0;i<10000;i++){//events loop
ae754cdf 193 for(int j=0;j<kNpoints;j++){
a25b3368 194 x2.Set(10,starty+j*deltay);
195 apHphot[j]->Fill(TotQdc(x2,0));
196 apHmip[j]->Fill(TotQdc(x2,gRandom->Landau(600,150)*1e-9));
197 }
198 }
199
200 pC->cd(1); pStackMip->Draw("nostack");
201 pC->cd(2); pStackPhot->Draw("nostack"); pLeg->Draw();
202}//TestResp()
203//__________________________________________________________________________________________________
204void AliRICHParam::TestTrans()
205{
db910db9 206// Tests transformation methods
207// Arguments: none
208// Returns: none
a25b3368 209
db910db9 210 AliRICHParam *pParam=AliRICHParam::Instance();
a25b3368 211 Int_t iNpointsX=50,iNpointsY=50;
db910db9 212 new TCanvas("trasform","Test LORS-MARS transform"); TLatex t; t.SetTextSize(0.02);
213
214 TView *pView=new TView(1); pView->SetRange(-400,-400,-400,400,400,400);
215 DrawAxis();
216 for(Int_t iCham=1;iCham<=7;iCham++){//chamber loop
217 AliRICHHelix helix(2.5,Norm(iCham).Theta()*TMath::RadToDeg(),Norm(iCham).Phi()*TMath::RadToDeg());
218 helix.RichIntersect(AliRICHParam::Instance());
a25b3368 219 TPolyMarker3D *pChamber=new TPolyMarker3D(iNpointsX*iNpointsY);
220 Int_t i=0;
221 for(Double_t x=0;x<PcSizeX();x+=PcSizeX()/iNpointsX)
222 for(Double_t y=0;y<PcSizeY();y+=PcSizeY()/iNpointsY){//step loop
db910db9 223 TVector3 v3=pParam->Lors2Mars(iCham,x,y,kPc); TVector2 v2=pParam->Mars2Lors(iCham,v3,kPc);//LORS->MARS->LORS
224 Double_t dx=v2.X()-x , dy=v2.Y()-y;
225 if(dx>0.000001 || dy>0.000001) Printf("Problem in MARS<->LORS transformations dx=%f dy=%f!!!",dx,dy);
226 pChamber->SetPoint(i++,v3.X(),v3.Y(),v3.Z());//Pc plane point in MARS
a25b3368 227 }//step loop
228 pChamber->SetMarkerSize(1);
db910db9 229 pChamber->SetMarkerColor(iCham);
a25b3368 230 pChamber->Draw();
db910db9 231 helix.Draw();
232 t.SetNDC();t.SetTextColor(iCham); t.DrawText(0.1,iCham*0.1,Form("Chamber %i",iCham));
233 }//chambers loop
a25b3368 234}//TestTrans()
235//__________________________________________________________________________________________________
236void AliRICHParam::DrawAxis()
237{
db910db9 238// This utility methode draws axis on geometry scene
239// Arguments: none
240// Returns: none
ae754cdf 241 Double_t x[6]={0,0,0,300,0,0}; Double_t y[6]={0,0,0,0,300,0}; Double_t z[6]={0,0,0,0,0,300};
242 TPolyLine3D *pXaxis=new TPolyLine3D(2,x);pXaxis->SetLineColor(kRed); pXaxis->Draw();
243 TPolyLine3D *pYaxis=new TPolyLine3D(2,y);pYaxis->SetLineColor(kGreen); pYaxis->Draw();
244 TPolyLine3D *pZaxis=new TPolyLine3D(2,z);pZaxis->SetLineColor(kBlue); pZaxis->Draw();
a25b3368 245}
d3eb6079 246//__________________________________________________________________________________________________
db3aa6a3 247void AliRICHParam::DrawSectors(Bool_t isInfo)
d3eb6079 248{
db910db9 249// Utility methode draws RICH chamber sectors on event display.
250// Arguments: none
251// Returns: none
252 Double_t xLeft[5] = {0,0,SecSizeX(),SecSizeX(),0};
253 Double_t xRight[5] = {SecSizeX()+DeadZone(),SecSizeX()+DeadZone(),PcSizeX(),PcSizeX(),SecSizeX()+DeadZone()};
d3eb6079 254
db910db9 255 Double_t yDown[5] = {0,SecSizeY(),SecSizeY(),0,0};
256 Double_t yCenter[5] = { SecSizeY()+DeadZone(),2*SecSizeY()+DeadZone(),2*SecSizeY()+DeadZone(),
257 SecSizeY()+DeadZone(),SecSizeY()+DeadZone()};
258 Double_t yUp[5] = {2*SecSizeY()+2*DeadZone(),PcSizeY(),PcSizeY(),2*SecSizeY()+2*DeadZone(),2*SecSizeY()+2*DeadZone()};
d3eb6079 259
db3aa6a3 260 Int_t iColorLeft=29,iColorRight=41;
261 TPolyLine *sec[6];
262
263 sec[0]= new TPolyLine(5,xLeft ,yDown);
264 sec[1]= new TPolyLine(5,xRight,yDown);
265 sec[2]= new TPolyLine(5,xLeft ,yCenter);
266 sec[3]= new TPolyLine(5,xRight,yCenter);
267 sec[4]= new TPolyLine(5,xLeft, yUp);
268 sec[5]= new TPolyLine(5,xRight,yUp);
269
270 for(Int_t iSec=0;iSec<6;iSec++){
271 if(isInfo){
272 (iSec%2)? sec[iSec]->SetFillColor(iColorLeft): sec[iSec]->SetFillColor(iColorRight);
273 sec[iSec]->Draw("f");
274 }else
275 sec[iSec]->Draw();
276 }
277
278 if(!isInfo) return;
279
280 TText t; t.SetTextSize(0.02);
281 t.DrawText(32,20,"Sec 1");
282 t.DrawText(98,20,"Sec 2");
283 t.DrawText(32,65,"Sec 3");
284 t.DrawText(98,65,"Sec 4");
285 t.DrawText(32,106,"Sec 5");
286 t.DrawText(98,106,"Sec 6");
287
288 Double_t x246=SecSizeX()+DeadZone();
289 Double_t y34=SecSizeY()+DeadZone();
290 Double_t y56=2*y34;
291
292 for(Int_t iRow=1;iRow<=8;iRow++){//dilogic chip serves 8x6 pads
293 Double_t y=(iRow-1)*6*PadSizeY();
294 TLine *pL1=new TLine(0 ,y ,SecSizeX(),y ); pL1->Draw(); t.SetTextAlign(31); t.DrawText(0 ,y ,Form("r%i",iRow) );//sec1
295 TLine *pL2=new TLine(x246,y ,PcSizeX() ,y ); pL2->Draw(); t.SetTextAlign(11); t.DrawText(PcSizeX(),y ,Form("r%i",25-iRow));//sec2
296
297 TLine *pL3=new TLine(0 ,y+y34,SecSizeX(),y+y34); pL3->Draw(); t.SetTextAlign(31); t.DrawText(0 ,y+y34,Form("r%i",iRow+8) );//sec3
298 TLine *pL4=new TLine(x246,y+y34,PcSizeX() ,y+y34); pL4->Draw(); t.SetTextAlign(11); t.DrawText(PcSizeX(),y+y34,Form("r%i",17-iRow));//sec4
299
300 TLine *pL5=new TLine(0 ,y+y56,SecSizeX(),y+y56); pL5->Draw(); t.SetTextAlign(31); t.DrawText(0 ,y+y56,Form("r%i",iRow+16));//sec5
301 TLine *pL6=new TLine(x246,y+y56,PcSizeX() ,y+y56); pL6->Draw(); t.SetTextAlign(11); t.DrawText(PcSizeX(),y+y56,Form("r%i",9-iRow) );//sec4
302 }
303
304 for(Int_t iDilogic=1;iDilogic<=10;iDilogic++){
305 Double_t x=(iDilogic-1)*8*PadSizeX();
306 TLine *pL1=new TLine(x ,0,x ,SecSizeY()); pL1->Draw(); t.DrawText(x ,0,Form("d%i",11-iDilogic));
307 TLine *pL2=new TLine(x+x246,0,x+x246,SecSizeY()); pL2->Draw(); t.DrawText(x+x246,0,Form("d%i",11-iDilogic));
308
309 TLine *pL3=new TLine(x ,y34,x ,y34+SecSizeY()); pL3->Draw(); t.DrawText(x ,y34,Form("d%i",11-iDilogic));
310 TLine *pL4=new TLine(x+x246,y34,x+x246,y34+SecSizeY()); pL4->Draw(); t.DrawText(x+x246,y34,Form("d%i",11-iDilogic));
311
312 TLine *pL5=new TLine(x ,y56,x ,y56+SecSizeY()); pL5->Draw(); t.DrawText(x ,y56,Form("d%i",11-iDilogic));
313 TLine *pL6=new TLine(x+x246,y56,x+x246,y56+SecSizeY()); pL6->Draw(); t.DrawText(x+x246,y56,Form("d%i",11-iDilogic));
314 }
315
316 t.SetTextAlign(13); t.DrawText(0 ,0,"pad1"); t.DrawText(x246 ,0,"pad81");
317 t.SetTextAlign(33); t.DrawText(SecSizeX(),0,"pad80"); t.DrawText(PcSizeX(),0,"pad160");
d3eb6079 318}//DrawSectors()
101624cd 319//__________________________________________________________________________________________________
56030c8d 320TVector3 AliRICHParam::ForwardTracing(TVector3 entranceTrackPoint, TVector3 vectorTrack, Double_t thetaC, Double_t phiC)
d0831219 321{
db910db9 322// Trace a single Ckov photon from a given emission point up to photocathode taking into account ref indexes of materials it travereses
f770edb5 323 TVector3 vBad(-999,-999,-999);
d0831219 324 TVector3 nPlane(0,0,1);
db910db9 325 Double_t planeZposition = 0.5*RadThick();
326 TVector3 planePoint(0,0,0.5*RadThick()); //this is plane parallel to window which contains emission point
d0831219 327 TVector3 emissionPoint = PlaneIntersect(vectorTrack,entranceTrackPoint,nPlane,planePoint);
d0831219 328 Double_t thetaout,phiout;
329 AnglesInDRS(vectorTrack.Theta(),vectorTrack.Phi(),thetaC,phiC,thetaout,phiout);
d0831219 330 TVector3 vectorPhotonInC6F14;
331 vectorPhotonInC6F14.SetMagThetaPhi(1,thetaout,phiout);
db910db9 332 planeZposition=RadThick();
d0831219 333 planePoint.SetXYZ(0,0,planeZposition);
334 TVector3 entranceToSiO2Point = PlaneIntersect(vectorPhotonInC6F14,emissionPoint,nPlane,planePoint);
d0831219 335
db910db9 336 Double_t photonEn = EckovMean();
337 Double_t angleInSiO2 = SnellAngle(IdxC6F14(EckovMean()),IdxSiO2(EckovMean()),vectorPhotonInC6F14.Theta());if(angleInSiO2<0) return vBad;
d0831219 338 TVector3 vectorPhotonInSiO2;
56030c8d 339 vectorPhotonInSiO2.SetMagThetaPhi(1,angleInSiO2,phiout);
d0831219 340// planeZposition+=AliRICHParam::SiO2Thickness();
db910db9 341 planeZposition+=WinThick();
d0831219 342 planePoint.SetXYZ(0,0,planeZposition);
343 TVector3 entranceToCH4 = PlaneIntersect(vectorPhotonInSiO2,entranceToSiO2Point,nPlane,planePoint);
56030c8d 344// entranceToCH4.Dump();
d0831219 345
346 // Double_t angleInCH4 = SnellAngle(AliRICHParam::IndOfRefSiO2(6.755),AliRICHParam::IndOfRefCH4,angleInSiO2);
db910db9 347 Double_t angleInCH4 = SnellAngle(IdxSiO2(photonEn),IdxCH4(photonEn),vectorPhotonInSiO2.Theta());if(angleInCH4<0) return vBad;
d0831219 348 TVector3 vectorPhotonInCH4;
56030c8d 349 vectorPhotonInCH4.SetMagThetaPhi(1,angleInCH4,phiout);
d0831219 350// planeZposition+=AliRICHParam::GapProx();
351 planeZposition+=Pc2Win();
352 planePoint.SetXYZ(0,0,planeZposition);
353 TVector3 impactToPC = PlaneIntersect(vectorPhotonInCH4,entranceToCH4,nPlane,planePoint);
56030c8d 354// impactToPC.Dump();
355 return impactToPC;
d0831219 356}//FowardTracing
357//__________________________________________________________________________________________________
db910db9 358TVector3 AliRICHParam::PlaneIntersect(const TVector3 &lineDir,const TVector3 &linePoint,const TVector3 &planeNorm,const TVector3 &planePoint)
d0831219 359{
db910db9 360// Finds an intersection point between a line and plane.
361// Arguments: lineDir,linePoint - vector along the line and any point of the line
362// planeNorm,planePoint - vector normal to the plane and any point of the plane
363// Returns: point of intersection if any
364 if(planeNorm*lineDir==0) return TVector3(-999,-999,-999);
365 TVector3 diff=planePoint-linePoint;
366 Double_t sint=(planeNorm*diff)/(planeNorm*lineDir);
367 return linePoint+sint*lineDir;
d0831219 368}//PlaneIntersect
369//__________________________________________________________________________________________________
370Double_t AliRICHParam::SnellAngle(Float_t n1, Float_t n2, Float_t theta1)
371{
db910db9 372// Compute the angle of refraction out of Snell law
373// Arguments: n1 - ref idx of first substance
374// n2 - ref idx of second substance
375// n1 - photon impact angle in the first substance i.e. angle between the photon direction and vector normal to the surface (radians)
376// Returns: photon refraction angle, i.e. angle in the second substance (radians)
377 Double_t sinref=(n1/n2)*TMath::Sin(theta1);
378 if(sinref>1.) return -999;
379 else return TMath::ASin(sinref);
d0831219 380}//SnellAngle
381//__________________________________________________________________________________________________
382void AliRICHParam::AnglesInDRS(Double_t trackTheta,Double_t trackPhi,Double_t thetaCerenkov,Double_t phiCerenkov,Double_t &tout,Double_t &pout)
383{
384// Setup the rotation matrix of the track...
385
386 TRotation mtheta;
387 TRotation mphi;
388 TRotation minv;
389 TRotation mrot;
390
391 mtheta.RotateY(trackTheta);
392 mphi.RotateZ(trackPhi);
393
394 mrot = mphi * mtheta;
395 // minv = mrot.Inverse();
396
397 TVector3 photonInRadiator(1,1,1);
398
399 photonInRadiator.SetTheta(thetaCerenkov);
400 photonInRadiator.SetPhi(phiCerenkov);
401 photonInRadiator = mrot * photonInRadiator;
402 tout=photonInRadiator.Theta();
403 pout=photonInRadiator.Phi();
404}//AnglesInDRS
9a221675 405//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
db910db9 406void AliRICHParam::TestHit2SDigs(Double_t x,Double_t y,Double_t e,Bool_t isNew)
407{
408//Test hit->sdigits procedures
409//Arguments: isNew - if true use new (abs pad) procedure else use old one (TVector)
410// Returns: none
411 TClonesArray *pSDigLst=new TClonesArray("AliRICHDigit");
412 Int_t iQtot=-1;
413 if(isNew){
414 iQtot=Hit2SDigs(10101,e,pSDigLst); //new technique
415 }else{
416 iQtot=Hit2SDigs(TVector2(x,y),e,pSDigLst);//old technique
417 }
418 pSDigLst->Print();
419 Double_t dQsum=0;
420 for(Int_t i=0;i<pSDigLst->GetEntriesFast();i++)
421 dQsum+=((AliRICHDigit*)pSDigLst->At(i))->Qdc();
422 Printf("Qtot=%i Qsum=%.2f ",iQtot,dQsum);
423}
424//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
425Int_t AliRICHParam::Stack(Int_t evt,Int_t tid)
426{
427// Prints some usefull info from stack
428// Arguments: evt - event number. if not -1 print info only for that event
429// tid - track id. if not -1 then print it and all it's mothers if any
430// Returns: mother tid of the given tid if any
431 AliRunLoader *pAL=AliRunLoader::Open();
432 if(pAL->LoadHeader()) return -1;
433 if(pAL->LoadKinematics()) return -1;
434
435 Int_t mtid=-1;
436 Int_t iNevt=pAL->GetNumberOfEvents(); Printf("This session contains %i event(s)",iNevt);
437
438 for(Int_t iEvt=0;iEvt<iNevt;iEvt++){//events loop
439 if(evt!=-1 && evt!=iEvt) continue; //in case one needs to print the requested event, ignore all others
440 pAL->GetEvent(iEvt);
441 AliStack *pStack=pAL->Stack();
442 if(tid==-1){ //print all tids for this event
443 for(Int_t i=0;i<pStack->GetNtrack();i++) pStack->Particle(i)->Print();
444 Printf("totally %i tracks including %i primaries for event %i out of %i event(s)",pStack->GetNtrack(),pStack->GetNprimary(),iEvt,iNevt);
445 }else{ //print only this tid and it;s mothers
446 if(tid<0 || tid>pStack->GetNtrack()) {Printf("Wrong tid, valid tid range for event %i is 0-%i",iEvt,pStack->GetNtrack());break;}
447 TParticle *pTrack=pStack->Particle(tid); mtid=pTrack->GetFirstMother();
448 TString str=pTrack->GetName();
449 while((tid=pTrack->GetFirstMother()) >= 0){
450 pTrack=pStack->Particle(tid);
451 str+=" from ";str+=pTrack->GetName();
452 }
453 Printf("%s",str.Data());
454 }//if(tid==-1)
455 }//events loop
456 pAL->UnloadHeader(); pAL->UnloadKinematics();
457 return mtid;
458}
459//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
460Int_t AliRICHParam::StackCount(Int_t pid,Int_t evt)
461{
462// Counts total number of particles of given sort (including secondary) for a given event
463 AliRunLoader *pAL=AliRunLoader::Open();
464 pAL->GetEvent(evt);
465 if(pAL->LoadHeader()) return 0;
466 if(pAL->LoadKinematics()) return 0;
467 AliStack *pStack=pAL->Stack();
468
469 Int_t iCnt=0;
470 for(Int_t i=0;i<pStack->GetNtrack();i++) if(pStack->Particle(i)->GetPdgCode()==pid) iCnt++;
471
472 pAL->UnloadHeader(); pAL->UnloadKinematics();
473 return iCnt;
474}
475//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++