]> git.uio.no Git - u/mrichter/AliRoot.git/blame - RICH/AliRICHParam.cxx
git://git.uio.no / u / mrichter / AliRoot.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
RAW config options added
[u/mrichter/AliRoot.git] / RICH / AliRICHParam.cxx
CommitLineData
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// **************************************************************************
56148d0e 15#include "AliRICHParam.h"
e42a7b46 16#include "AliRICHChamber.h"
a25b3368 17#include "AliRICHDisplFast.h"
18#include <TCanvas.h>
19#include <TLatex.h>
20#include <THStack.h>
21#include <TLegend.h>
22#include <TView.h>
23#include <TPolyMarker3D.h>
24#include <TPolyLine3D.h>
56148d0e 25
ed3ceb24 26ClassImp(AliRICHParam)
a25b3368 27Bool_t AliRICHParam::fgIsWireSag =kTRUE; //take ware sagita into account?
28Bool_t AliRICHParam::fgIsResolveClusters =kTRUE; //do cluster resolving?
29Bool_t AliRICHParam::fgIsRadioSrc =kFALSE; //put radioactive source instead of radiators?
30Bool_t AliRICHParam::fgIsAerogel =kFALSE; //special aerogel configuration
31Bool_t AliRICHParam::fgIsTestBeam =kFALSE; //special test beam configuration
32
e42a7b46 33Int_t AliRICHParam::fgHV[kNsectors] ={2050,2050,2050,2050,2050,2050};
08479a10 34Int_t AliRICHParam::fgNsigmaTh =4;
e42a7b46 35Float_t AliRICHParam::fgSigmaThMean =1.132; //QDC
36Float_t AliRICHParam::fgSigmaThSpread =0.035; //
08479a10 37
3582c1f9 38//__________________________________________________________________________________________________
c4a03891 39void AliRICHParam::Print(Option_t*) const
3582c1f9 40{
998b831f 41 AliInfo(Form("Pads in chamber (%3i,%3i) in sector (%2i,%2i)",NpadsX(),NpadsY(),NpadsXsec(),NpadsYsec()));
a25b3368 42 AliInfo(Form("Resolve clusters %i sagita %i Radio source %i Aerogel %i TestBeam %i",
43 IsResolveClusters(),IsWireSag(),IsRadioSrc(),IsAerogel(),IsTestBeam()));
44 fpChambers->Print();
998b831f 45}//Print()
3582c1f9 46//__________________________________________________________________________________________________
e42a7b46 47void AliRICHParam::CreateChambers()
48{
49//Create all RICH Chambers on each call. Previous chambers deleted.
50 if(fpChambers) delete fpChambers;
a25b3368 51 if(fgIsTestBeam){
998b831f 52 fpChambers=new TObjArray(1);//test beam configuration 1 chamber
53 fpChambers->AddAt(new AliRICHChamber(0),0);
54 }else{
55 fpChambers=new TObjArray(kNchambers);//normal configuration 7 chambers
56 for(int iChamberN=0;iChamberN<kNchambers;iChamberN++) fpChambers->AddAt(new AliRICHChamber(iChamberN+1),iChamberN);
57 }
e42a7b46 58 fpChambers->SetOwner();
998b831f 59}//CreateChambers()
a25b3368 60//__________________________________________________________________________________________________
61Float_t AliRICHParam::AbsCH4(Float_t eV)
62{
63//Evaluate the absorbtion lenght of CH4 for a photon of energy eV in electron-volts
64 const Float_t kLoschmidt=2.686763e19; // LOSCHMIDT NUMBER IN CM-3
65 const Float_t kPressure=750.0; //mm of Hg
66 const Float_t kTemperature=283.0; //K (10 grad C)
67 const Float_t kPn=kPressure/760.;
68 const Float_t kTn=kTemperature/273.16;
69 const Float_t kC0=-1.655279e-1;
70 const Float_t kC1= 6.307392e-2;
71 const Float_t kC2=-8.011441e-3;
72 const Float_t kC3= 3.392126e-4;
73
74 Float_t crossSection=0;
75 if (eV<7.75)
76 crossSection=0.06e-22;
77 else //------ METHANE CROSS SECTION cm-2 ASTROPH. J. 214, L47 (1978)
78 crossSection=(kC0+kC1*eV+kC2*eV*eV+kC3*eV*eV*eV)*1.e-18;
79
80 Float_t density=kLoschmidt*kPn/kTn; //CH4 molecular concentration (cm^-3)
81 return 1.0/(density*crossSection);
82}//AbsoCH4()
83//__________________________________________________________________________________________________
84void AliRICHParam::TestSeg()
85{
86
87 new TCanvas("name","PC segmentation");
88 gPad->Range(-20,-20,200,150);
89 AliRICHDisplFast::DrawSectors();
90
91 TLatex t; t.SetTextSize(0.02);
92 t.DrawText(0,140,"View from interaction point");
93 t.DrawLatex(PcSizeX()+10,120,Form("Pc %6.2fx%6.2fcm %3ix%3ipads",PcSizeX() ,PcSizeY(), NpadsX() ,NpadsY()));
94 t.DrawLatex(PcSizeX()+10,115,Form("Sec %6.2fx%5.2fcm %3ix%2ipads",SectorSizeX(),SectorSizeY(),NpadsXsec(),NpadsYsec()));
95 t.DrawLatex(PcSizeX()+10,110,Form("Pad %6.2fx%4.2fcm DeadZone %6.2fcm",PadSizeX() ,PadSizeY(),DeadZone()));
96
97 TVector2 v2;
98 t.SetTextAlign(12);
99 v2=AliRICHParam::Pad2Loc( 1,24); t.DrawText(v2.X(),v2.Y(),"sec 1");
100 v2=AliRICHParam::Pad2Loc(81,24); t.DrawText(v2.X(),v2.Y(),"sec 2");
101 v2=AliRICHParam::Pad2Loc( 1,70); t.DrawText(v2.X(),v2.Y(),"sec 3");
102 v2=AliRICHParam::Pad2Loc(81,70); t.DrawText(v2.X(),v2.Y(),"sec 4");
103 v2=AliRICHParam::Pad2Loc( 1,120); t.DrawText(v2.X(),v2.Y(),"sec 5");
104 v2=AliRICHParam::Pad2Loc(81,120); t.DrawText(v2.X(),v2.Y(),"sec 6");
105
106// TGaxis *pAx=new TGaxis(0,0,140, 0,0,140,510,"-="); pAx->SetTitle("x, cm"); pAx->SetTextSize(0.05); pAx->Draw();
107// TGaxis *pAy=new TGaxis(0,0, 0,140,0,140,510,"-="); pAy->SetTitle("y, cm"); pAy->SetTextSize(0.05); pAy->Draw();
108
109
110 t.SetTextColor(kBlue);
111
112 Double_t margin=5;
113 Double_t x0=0; Double_t x1=SectorSizeX(); Double_t x2=SectorSizeX()+DeadZone(); Double_t x3=PcSizeX();
114 Double_t y0=0; Double_t y1=SectorSizeY(); Double_t y2=SectorSizeY()+DeadZone();
115 Double_t y3=2*SectorSizeY()+DeadZone(); Double_t y4=PcSizeY()-SectorSizeY();
116 Double_t y5=PcSizeY();
117
118//write pad numbers along x
119 t.SetTextAlign(13); t.DrawText(x0,y0,"1");
120 t.SetTextAlign(33); t.DrawText(x1,y0,"80");
121 t.SetTextAlign(13); t.DrawText(x2,y0,"81");
122 t.SetTextAlign(33); t.DrawText(x3,y0,"160");
123//write pad numbers along y
124 t.SetTextAlign(31); t.DrawText(x0,y0,"1");
125 t.SetTextAlign(33); t.DrawText(x0,y1,"48");
126 t.SetTextAlign(31); t.DrawText(x0,y2,"49");
127 t.SetTextAlign(33); t.DrawText(x0,y3,"96");
128 t.SetTextAlign(31); t.DrawText(x0,y4,"97");
129 t.SetTextAlign(33); t.DrawText(x0,y5,"144");
130
131
132//positions along x
133 t.SetTextColor(kGreen);
134 t.SetTextAlign(11);t.DrawText(x0,y0-margin,Form("%5.2f",x0));
135 t.SetTextAlign(31);t.DrawText(x1,y0-margin,Form("%5.2f",x1));
136 t.SetTextAlign(11);t.DrawText(x2,y0-margin,Form("%5.2f",x2));
137 t.SetTextAlign(31);t.DrawText(x3,y0-margin,Form("%5.2f",x3));
138//positions along y
139 t.SetTextAlign(31);t.DrawText(x0-margin,y0,Form("%5.2f",y0));
140 t.SetTextAlign(33);t.DrawText(x0-margin,y1,Form("%5.2f",y1));
141 t.SetTextAlign(31);t.DrawText(x0-margin,y2,Form("%5.2f",y2));
142 t.SetTextAlign(33);t.DrawText(x0-margin,y3,Form("%5.2f",y3));
143 t.SetTextAlign(31);t.DrawText(x0-margin,y4,Form("%5.2f",y4));
144 t.SetTextAlign(33);t.DrawText(x0-margin,y5,Form("%5.2f",y5));
145//coners
146 t.SetTextColor(kRed);
147 t.SetTextSize(0.01);
148 TVector pad(2);
149//sector 1
150 v2=Pad2Loc(Loc2Pad(TVector2(x0,y0)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
151 v2=Pad2Loc(Loc2Pad(TVector2(x0,y1)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
152 v2=Pad2Loc(Loc2Pad(TVector2(x1,y1)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
153 v2=Pad2Loc(Loc2Pad(TVector2(x1,y0)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
154//secr 3
155 v2=Pad2Loc(Loc2Pad(TVector2(x0,y2)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
156 v2=Pad2Loc(Loc2Pad(TVector2(x0,y3)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
157 v2=Pad2Loc(Loc2Pad(TVector2(x1,y3)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
158 v2=Pad2Loc(Loc2Pad(TVector2(x1,y2)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
159//secr 5
160 v2=Pad2Loc(Loc2Pad(TVector2(x0,y4)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
161 v2=Pad2Loc(Loc2Pad(TVector2(x0,y5)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
162 v2=Pad2Loc(Loc2Pad(TVector2(x1,y5)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
163 v2=Pad2Loc(Loc2Pad(TVector2(x1,y4)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
164
165 v2=Pad2Loc(Loc2Pad(TVector2(x2,y4)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
166 v2=Pad2Loc(Loc2Pad(TVector2(x2,y5)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
167 v2=Pad2Loc(Loc2Pad(TVector2(x3,y5)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
168 v2=Pad2Loc(Loc2Pad(TVector2(x3,y4)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
169
170 v2=Pad2Loc(Loc2Pad(TVector2(x2,y2)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
171 v2=Pad2Loc(Loc2Pad(TVector2(x2,y3)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
172 v2=Pad2Loc(Loc2Pad(TVector2(x3,y3)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
173 v2=Pad2Loc(Loc2Pad(TVector2(x3,y2)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
174
175 v2=Pad2Loc(Loc2Pad(TVector2(x2,y0)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
176 v2=Pad2Loc(Loc2Pad(TVector2(x2,y1)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
177 v2=Pad2Loc(Loc2Pad(TVector2(x3,y1)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
178 v2=Pad2Loc(Loc2Pad(TVector2(x3,y0)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y()));
179}//TestSeg()
180//__________________________________________________________________________________________________
181void AliRICHParam::TestResp()
182{
183//test the response set of methodes
184 TCanvas *pC=new TCanvas("c","Amplification test",900,800);
185 pC->Divide(1,2);
186
187
188 const Int_t nPoints=8;
189 THStack *pStackPhot=new THStack("StackPhot","photons");
190 THStack *pStackMip =new THStack("StackMip","mips");
191 TLegend *pLeg=new TLegend(0.6,0.2,0.9,0.5,"legend");
192 TH1F *apHphot[nPoints];
193 TH1F *apHmip[nPoints];
194
195 Double_t starty=0;
196 Double_t deltay=AliRICHParam::SectorSizeY()/nPoints;
197
198 for(int i=0;i<nPoints;i++){
199 apHphot[i]=new TH1F(Form("hphot%i",i),"Qdc for Photon;QDC;Counts",500,0,500); apHphot[i]->SetLineColor(i);pStackPhot->Add(apHphot[i]);
200 apHmip[i] =new TH1F(Form("hmip%i",i),"Qdc for Mip;QDC;Counts",4000,0,4000); apHmip[i]->SetLineColor(i);pStackMip->Add(apHmip[i]);
201
202 pLeg->AddEntry(apHphot[i],Form("@(10,%5.2f->%5.2f)",starty+i*deltay,starty+i*deltay-SectorSizeY()/2));
203 }
204
205
206 TVector2 x2(0,0);
207 for(Int_t i=0;i<10000;i++){//events loop
208 for(int j=0;j<nPoints;j++){
209 x2.Set(10,starty+j*deltay);
210 apHphot[j]->Fill(TotQdc(x2,0));
211 apHmip[j]->Fill(TotQdc(x2,gRandom->Landau(600,150)*1e-9));
212 }
213 }
214
215 pC->cd(1); pStackMip->Draw("nostack");
216 pC->cd(2); pStackPhot->Draw("nostack"); pLeg->Draw();
217}//TestResp()
218//__________________________________________________________________________________________________
219void AliRICHParam::TestTrans()
220{
221//test the set of transformation methods
222 new TCanvas("trasform","Test LRS-MRS transform");
223 TLatex t; t.SetTextSize(0.02);
224
225 TView *pView=new TView(1);
226 pView->SetRange(-600,-600,-600,600,600,600);
227 DrawAxis();
228//Draw PC for all chambers by trasfering Pc plane using Pc2Mrs methode
229 Int_t iNpointsX=50,iNpointsY=50;
230 for(Int_t iChamberN=1;iChamberN<=7;iChamberN++){//chamber loop
231 TPolyMarker3D *pChamber=new TPolyMarker3D(iNpointsX*iNpointsY);
232 Int_t i=0;
233 for(Double_t x=0;x<PcSizeX();x+=PcSizeX()/iNpointsX)
234 for(Double_t y=0;y<PcSizeY();y+=PcSizeY()/iNpointsY){//step loop
235 TVector3 v3=C(iChamberN)->Pc2Mrs(TVector2(x,y));//from regular grid of local PC points to MRS presentation
236 pChamber->SetPoint(i++,v3.X(),v3.Y(),v3.Z());//Pc plane poing in MRS
237 }//step loop
238 pChamber->SetMarkerSize(1);
239 pChamber->SetMarkerColor(iChamberN);
240 pChamber->Draw();
241 t.SetNDC();t.SetTextColor(iChamberN); t.DrawText(0.1,iChamberN*0.1,Form("Chamber %i",iChamberN));
242 }//chamber loop
243// gPad->GetView()->RotateView(94,45);
244}//TestTrans()
245//__________________________________________________________________________________________________
246void AliRICHParam::DrawAxis()
247{
248 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};
249 TPolyLine3D *pXaxis=new TPolyLine3D(2,X);pXaxis->SetLineColor(kRed); pXaxis->Draw();
250 TPolyLine3D *pYaxis=new TPolyLine3D(2,Y);pYaxis->SetLineColor(kGreen); pYaxis->Draw();
251 TPolyLine3D *pZaxis=new TPolyLine3D(2,Z);pZaxis->SetLineColor(kBlue); pZaxis->Draw();
252}