X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=RICH%2FAliRICHParam.cxx;h=7b140efcdb7dbb2ad1d8cd20008f9d3def82d5dc;hb=11d31ad9ccd99a826913350e3bdd34b4ce24ffe1;hp=4145510e3bafc9986cca032a830e24c635d8d81c;hpb=a25b336880c3ac52e423f6964319d98cac640f38;p=u%2Fmrichter%2FAliRoot.git diff --git a/RICH/AliRICHParam.cxx b/RICH/AliRICHParam.cxx index 4145510e3ba..7b140efcdb7 100644 --- a/RICH/AliRICHParam.cxx +++ b/RICH/AliRICHParam.cxx @@ -12,241 +12,88 @@ // * about the suitability of this software for any purpose. It is * // * provided "as is" without express or implied warranty. * // ************************************************************************** -#include "AliRICHParam.h" -#include "AliRICHChamber.h" -#include "AliRICHDisplFast.h" -#include -#include -#include -#include -#include -#include -#include +#include "AliRICHParam.h" //class header +#include "AliRICHDigit.h" //ctor +#include //TestXXX() +#include //TestTrans() +#include //TestTrans() +#include //TestTrans() +#include +#include //Stack() +#include //Stack() +#include //Stack() +#include "AliRICHHelix.h" //TestTrans() ClassImp(AliRICHParam) -Bool_t AliRICHParam::fgIsWireSag =kTRUE; //take ware sagita into account? -Bool_t AliRICHParam::fgIsResolveClusters =kTRUE; //do cluster resolving? -Bool_t AliRICHParam::fgIsRadioSrc =kFALSE; //put radioactive source instead of radiators? -Bool_t AliRICHParam::fgIsAerogel =kFALSE; //special aerogel configuration -Bool_t AliRICHParam::fgIsTestBeam =kFALSE; //special test beam configuration -Int_t AliRICHParam::fgHV[kNsectors] ={2050,2050,2050,2050,2050,2050}; -Int_t AliRICHParam::fgNsigmaTh =4; -Float_t AliRICHParam::fgSigmaThMean =1.132; //QDC -Float_t AliRICHParam::fgSigmaThSpread =0.035; // - -//__________________________________________________________________________________________________ -void AliRICHParam::Print(Option_t*) -{ - AliInfo(Form("Pads in chamber (%3i,%3i) in sector (%2i,%2i)",NpadsX(),NpadsY(),NpadsXsec(),NpadsYsec())); - AliInfo(Form("Resolve clusters %i sagita %i Radio source %i Aerogel %i TestBeam %i", - IsResolveClusters(),IsWireSag(),IsRadioSrc(),IsAerogel(),IsTestBeam())); - fpChambers->Print(); -}//Print() -//__________________________________________________________________________________________________ -void AliRICHParam::CreateChambers() +AliRICHParam* AliRICHParam::fgInstance=0x0; //singleton pointer +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +AliRICHParam::AliRICHParam():TNamed("RichParam","default version") { -//Create all RICH Chambers on each call. Previous chambers deleted. - if(fpChambers) delete fpChambers; - if(fgIsTestBeam){ - fpChambers=new TObjArray(1);//test beam configuration 1 chamber - fpChambers->AddAt(new AliRICHChamber(0),0); - }else{ - fpChambers=new TObjArray(kNchambers);//normal configuration 7 chambers - for(int iChamberN=0;iChamberNAddAt(new AliRICHChamber(iChamberN+1),iChamberN); - } - fpChambers->SetOwner(); -}//CreateChambers() -//__________________________________________________________________________________________________ -Float_t AliRICHParam::AbsCH4(Float_t eV) +// Here all the intitializition is taken place when AliRICHParam::Instance() is invoked for the first time. +// In particulare, matrices to be used for LORS<->MARS trasnformations are initialized from TGeo structure. +// Note that TGeoManager should be already initialized from geometry.root file + fX=0.5*AliRICHDigit::SizeAllX(); + fY=0.5*AliRICHDigit::SizeAllY(); + for(Int_t i=0;i<7;i++) fM[i]=(TGeoHMatrix*)gGeoManager->GetVolume("ALIC")->GetNode(Form("RICH_%i",i))->GetMatrix(); + fgInstance=this; +}//ctor +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +void AliRICHParam::Print(Option_t* opt) const { -//Evaluate the absorbtion lenght of CH4 for a photon of energy eV in electron-volts - const Float_t kLoschmidt=2.686763e19; // LOSCHMIDT NUMBER IN CM-3 - const Float_t kPressure=750.0; //mm of Hg - const Float_t kTemperature=283.0; //K (10 grad C) - const Float_t kPn=kPressure/760.; - const Float_t kTn=kTemperature/273.16; - const Float_t kC0=-1.655279e-1; - const Float_t kC1= 6.307392e-2; - const Float_t kC2=-8.011441e-3; - const Float_t kC3= 3.392126e-4; - - Float_t crossSection=0; - if (eV<7.75) - crossSection=0.06e-22; - else //------ METHANE CROSS SECTION cm-2 ASTROPH. J. 214, L47 (1978) - crossSection=(kC0+kC1*eV+kC2*eV*eV+kC3*eV*eV*eV)*1.e-18; - - Float_t density=kLoschmidt*kPn/kTn; //CH4 molecular concentration (cm^-3) - return 1.0/(density*crossSection); -}//AbsoCH4() -//__________________________________________________________________________________________________ -void AliRICHParam::TestSeg() -{ - - new TCanvas("name","PC segmentation"); - gPad->Range(-20,-20,200,150); - AliRICHDisplFast::DrawSectors(); - - TLatex t; t.SetTextSize(0.02); - t.DrawText(0,140,"View from interaction point"); - t.DrawLatex(PcSizeX()+10,120,Form("Pc %6.2fx%6.2fcm %3ix%3ipads",PcSizeX() ,PcSizeY(), NpadsX() ,NpadsY())); - t.DrawLatex(PcSizeX()+10,115,Form("Sec %6.2fx%5.2fcm %3ix%2ipads",SectorSizeX(),SectorSizeY(),NpadsXsec(),NpadsYsec())); - t.DrawLatex(PcSizeX()+10,110,Form("Pad %6.2fx%4.2fcm DeadZone %6.2fcm",PadSizeX() ,PadSizeY(),DeadZone())); +// print some usefull (hopefully) info on some internal guts of RICH parametrisation - TVector2 v2; - t.SetTextAlign(12); - v2=AliRICHParam::Pad2Loc( 1,24); t.DrawText(v2.X(),v2.Y(),"sec 1"); - v2=AliRICHParam::Pad2Loc(81,24); t.DrawText(v2.X(),v2.Y(),"sec 2"); - v2=AliRICHParam::Pad2Loc( 1,70); t.DrawText(v2.X(),v2.Y(),"sec 3"); - v2=AliRICHParam::Pad2Loc(81,70); t.DrawText(v2.X(),v2.Y(),"sec 4"); - v2=AliRICHParam::Pad2Loc( 1,120); t.DrawText(v2.X(),v2.Y(),"sec 5"); - v2=AliRICHParam::Pad2Loc(81,120); t.DrawText(v2.X(),v2.Y(),"sec 6"); - -// TGaxis *pAx=new TGaxis(0,0,140, 0,0,140,510,"-="); pAx->SetTitle("x, cm"); pAx->SetTextSize(0.05); pAx->Draw(); -// TGaxis *pAy=new TGaxis(0,0, 0,140,0,140,510,"-="); pAy->SetTitle("y, cm"); pAy->SetTextSize(0.05); pAy->Draw(); - - - t.SetTextColor(kBlue); - - Double_t margin=5; - Double_t x0=0; Double_t x1=SectorSizeX(); Double_t x2=SectorSizeX()+DeadZone(); Double_t x3=PcSizeX(); - Double_t y0=0; Double_t y1=SectorSizeY(); Double_t y2=SectorSizeY()+DeadZone(); - Double_t y3=2*SectorSizeY()+DeadZone(); Double_t y4=PcSizeY()-SectorSizeY(); - Double_t y5=PcSizeY(); - -//write pad numbers along x - t.SetTextAlign(13); t.DrawText(x0,y0,"1"); - t.SetTextAlign(33); t.DrawText(x1,y0,"80"); - t.SetTextAlign(13); t.DrawText(x2,y0,"81"); - t.SetTextAlign(33); t.DrawText(x3,y0,"160"); -//write pad numbers along y - t.SetTextAlign(31); t.DrawText(x0,y0,"1"); - t.SetTextAlign(33); t.DrawText(x0,y1,"48"); - t.SetTextAlign(31); t.DrawText(x0,y2,"49"); - t.SetTextAlign(33); t.DrawText(x0,y3,"96"); - t.SetTextAlign(31); t.DrawText(x0,y4,"97"); - t.SetTextAlign(33); t.DrawText(x0,y5,"144"); - - -//positions along x - t.SetTextColor(kGreen); - t.SetTextAlign(11);t.DrawText(x0,y0-margin,Form("%5.2f",x0)); - t.SetTextAlign(31);t.DrawText(x1,y0-margin,Form("%5.2f",x1)); - t.SetTextAlign(11);t.DrawText(x2,y0-margin,Form("%5.2f",x2)); - t.SetTextAlign(31);t.DrawText(x3,y0-margin,Form("%5.2f",x3)); -//positions along y - t.SetTextAlign(31);t.DrawText(x0-margin,y0,Form("%5.2f",y0)); - t.SetTextAlign(33);t.DrawText(x0-margin,y1,Form("%5.2f",y1)); - t.SetTextAlign(31);t.DrawText(x0-margin,y2,Form("%5.2f",y2)); - t.SetTextAlign(33);t.DrawText(x0-margin,y3,Form("%5.2f",y3)); - t.SetTextAlign(31);t.DrawText(x0-margin,y4,Form("%5.2f",y4)); - t.SetTextAlign(33);t.DrawText(x0-margin,y5,Form("%5.2f",y5)); -//coners - t.SetTextColor(kRed); - t.SetTextSize(0.01); - TVector pad(2); -//sector 1 - v2=Pad2Loc(Loc2Pad(TVector2(x0,y0)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x0,y1)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y1)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y0)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); -//secr 3 - v2=Pad2Loc(Loc2Pad(TVector2(x0,y2)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x0,y3)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y3)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y2)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); -//secr 5 - v2=Pad2Loc(Loc2Pad(TVector2(x0,y4)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x0,y5)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y5)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x1,y4)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - - v2=Pad2Loc(Loc2Pad(TVector2(x2,y4)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x2,y5)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y5)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y4)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - - v2=Pad2Loc(Loc2Pad(TVector2(x2,y2)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x2,y3)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y3)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y2)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - - v2=Pad2Loc(Loc2Pad(TVector2(x2,y0)));t.SetTextAlign(11);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x2,y1)));t.SetTextAlign(13);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y1)));t.SetTextAlign(33);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); - v2=Pad2Loc(Loc2Pad(TVector2(x3,y0)));t.SetTextAlign(31);t.DrawText(v2.X(),v2.Y(),Form("%5.2f,%5.2f",v2.X(),v2.Y())); -}//TestSeg() -//__________________________________________________________________________________________________ -void AliRICHParam::TestResp() + for(Int_t i=0;i<7;i++) fM[i]->Print(opt); +}//Print() +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +Int_t AliRICHParam::Stack(Int_t evt,Int_t tid) { -//test the response set of methodes - TCanvas *pC=new TCanvas("c","Amplification test",900,800); - pC->Divide(1,2); - - - const Int_t nPoints=8; - THStack *pStackPhot=new THStack("StackPhot","photons"); - THStack *pStackMip =new THStack("StackMip","mips"); - TLegend *pLeg=new TLegend(0.6,0.2,0.9,0.5,"legend"); - TH1F *apHphot[nPoints]; - TH1F *apHmip[nPoints]; +// Prints some usefull info from stack +// Arguments: evt - event number. if not -1 print info only for that event +// tid - track id. if not -1 then print it and all it's mothers if any +// Returns: mother tid of the given tid if any + AliRunLoader *pAL=AliRunLoader::Open(); + if(pAL->LoadHeader()) return -1; + if(pAL->LoadKinematics()) return -1; - Double_t starty=0; - Double_t deltay=AliRICHParam::SectorSizeY()/nPoints; + Int_t mtid=-1; + Int_t iNevt=pAL->GetNumberOfEvents(); Printf("This session contains %i event(s)",iNevt); - for(int i=0;iSetLineColor(i);pStackPhot->Add(apHphot[i]); - apHmip[i] =new TH1F(Form("hmip%i",i),"Qdc for Mip;QDC;Counts",4000,0,4000); apHmip[i]->SetLineColor(i);pStackMip->Add(apHmip[i]); - - pLeg->AddEntry(apHphot[i],Form("@(10,%5.2f->%5.2f)",starty+i*deltay,starty+i*deltay-SectorSizeY()/2)); - } - - - TVector2 x2(0,0); - for(Int_t i=0;i<10000;i++){//events loop - for(int j=0;jFill(TotQdc(x2,0)); - apHmip[j]->Fill(TotQdc(x2,gRandom->Landau(600,150)*1e-9)); - } - } - - pC->cd(1); pStackMip->Draw("nostack"); - pC->cd(2); pStackPhot->Draw("nostack"); pLeg->Draw(); -}//TestResp() -//__________________________________________________________________________________________________ -void AliRICHParam::TestTrans() + for(Int_t iEvt=0;iEvtGetEvent(iEvt); + AliStack *pStack=pAL->Stack(); + if(tid==-1){ //print all tids for this event + for(Int_t i=0;iGetNtrack();i++) pStack->Particle(i)->Print(); + Printf("totally %i tracks including %i primaries for event %i out of %i event(s)",pStack->GetNtrack(),pStack->GetNprimary(),iEvt,iNevt); + }else{ //print only this tid and it;s mothers + if(tid<0 || tid>pStack->GetNtrack()) {Printf("Wrong tid, valid tid range for event %i is 0-%i",iEvt,pStack->GetNtrack());break;} + TParticle *pTrack=pStack->Particle(tid); mtid=pTrack->GetFirstMother(); + TString str=pTrack->GetName(); + while((tid=pTrack->GetFirstMother()) >= 0){ + pTrack=pStack->Particle(tid); + str+=" from ";str+=pTrack->GetName(); + } + Printf("%s",str.Data()); + }//if(tid==-1) + }//events loop + pAL->UnloadHeader(); pAL->UnloadKinematics(); + return mtid; +} +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +Int_t AliRICHParam::StackCount(Int_t pid,Int_t evt) { -//test the set of transformation methods - new TCanvas("trasform","Test LRS-MRS transform"); - TLatex t; t.SetTextSize(0.02); +// Counts total number of particles of given sort (including secondary) for a given event + AliRunLoader *pAL=AliRunLoader::Open(); + pAL->GetEvent(evt); + if(pAL->LoadHeader()) return 0; + if(pAL->LoadKinematics()) return 0; + AliStack *pStack=pAL->Stack(); - TView *pView=new TView(1); - pView->SetRange(-600,-600,-600,600,600,600); - DrawAxis(); -//Draw PC for all chambers by trasfering Pc plane using Pc2Mrs methode - Int_t iNpointsX=50,iNpointsY=50; - for(Int_t iChamberN=1;iChamberN<=7;iChamberN++){//chamber loop - TPolyMarker3D *pChamber=new TPolyMarker3D(iNpointsX*iNpointsY); - Int_t i=0; - for(Double_t x=0;xPc2Mrs(TVector2(x,y));//from regular grid of local PC points to MRS presentation - pChamber->SetPoint(i++,v3.X(),v3.Y(),v3.Z());//Pc plane poing in MRS - }//step loop - pChamber->SetMarkerSize(1); - pChamber->SetMarkerColor(iChamberN); - pChamber->Draw(); - t.SetNDC();t.SetTextColor(iChamberN); t.DrawText(0.1,iChamberN*0.1,Form("Chamber %i",iChamberN)); - }//chamber loop -// gPad->GetView()->RotateView(94,45); -}//TestTrans() -//__________________________________________________________________________________________________ -void AliRICHParam::DrawAxis() -{ - 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}; - TPolyLine3D *pXaxis=new TPolyLine3D(2,X);pXaxis->SetLineColor(kRed); pXaxis->Draw(); - TPolyLine3D *pYaxis=new TPolyLine3D(2,Y);pYaxis->SetLineColor(kGreen); pYaxis->Draw(); - TPolyLine3D *pZaxis=new TPolyLine3D(2,Z);pZaxis->SetLineColor(kBlue); pZaxis->Draw(); + Int_t iCnt=0; + for(Int_t i=0;iGetNtrack();i++) if(pStack->Particle(i)->GetPdgCode()==pid) iCnt++; + + pAL->UnloadHeader(); pAL->UnloadKinematics(); + return iCnt; } +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++