* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.12 1999/09/29 09:24:29 fca
-Introduction of the Copyright and cvs Log
-
-*/
-
-////////////////////////////////////////////////
-// Manager and hits classes for set:RICH //
-////////////////////////////////////////////////
-
+#include <TArrayF.h>
+#include <TGeometry.h>
#include <TBRIK.h>
#include <TTUBE.h>
+#include <TFile.h>
#include <TNode.h>
-#include <TRandom.h>
-#include <TObject.h>
-#include <TVector.h>
#include <TObjArray.h>
-
+#include <AliMagF.h>
#include "AliRICH.h"
-#include "AliRICHHitMap.h"
-#include "AliRun.h"
-#include "AliMC.h"
-#include "iostream.h"
-#include "AliCallf77.h"
-
-// Static variables for the pad-hit iterator routines
-static Int_t sMaxIterPad=0;
-static Int_t sCurIterPad=0;
-static TClonesArray *fClusters2;
-static TClonesArray *fHits2;
+#include "AliRICHParam.h"
+#include "AliRICHRecHit1D.h"
+#include <AliRun.h>
+#include <AliRunDigitizer.h>
-ClassImp(AliRICH)
-
-//___________________________________________
-AliRICH::AliRICH()
-{
- fIshunt = 0;
- fHits = 0;
- fClusters = 0;
- fNclusters = 0;
- fDchambers = 0;
- fRecClusters= 0;
- fCerenkovs = 0;
- fNdch = 0;
-}
-
-//___________________________________________
-AliRICH::AliRICH(const char *name, const char *title)
- : AliDetector(name,title)
+ClassImp(AliRICHhit)
+//__________________________________________________________________________________________________
+void AliRICHhit::Print(Option_t*)const
{
-//Begin_Html
+ Info("","chamber=%2i, PID=%9i, TID=%6i, eloss=%9.3f eV",fChamber,fPid,fTrack,fEloss*1e9);
+}//void AliRICHdigit::Print(Option_t *option)const
+//__________________________________________________________________________________________________
+ClassImp(AliRICHdigit)
+//__________________________________________________________________________________________________
+void AliRICHdigit::Print(Option_t*)const
+{
+ Info("","ID=%6i, chamber=%2i, PadX=%3i, PadY=%3i, Qdc=%4i, TID1=%5i, TID2=%5i, TID3=%5i",
+ Id(),fChamber,fPadX,fPadY,fQdc,fTracks[0],fTracks[1],fTracks[2]);
+}//void AliRICHdigit::Print(Option_t *option)const
+//__________________________________________________________________________________________________
+
+ClassImp(AliRICH)
+//__________________________________________________________________________________________________
+// RICH manager class
+//BEGIN_HTML
/*
<img src="gif/alirich.gif">
*/
-//End_Html
-
- fHits = new TClonesArray("AliRICHhit",1000 );
- fClusters = new TClonesArray("AliRICHcluster",10000);
- fCerenkovs = new TClonesArray("AliRICHCerenkov",20000);
- fNclusters = 0;
- fIshunt = 0;
-
- fNdch = new Int_t[7];
-
- fDchambers = new TObjArray(7);
-
- Int_t i;
-
- for (i=0; i<7 ;i++) {
- (*fDchambers)[i] = new TClonesArray("AliRICHdigit",10000);
- fNdch[i]=0;
- }
-
- fRecClusters=new TObjArray(7);
- for (i=0; i<7;i++)
- (*fRecClusters)[i] = new TObjArray(1000);
-
-//
-// Transport angular cut
- fAccCut=0;
- fAccMin=2;
- fAccMax=9;
-
- SetMarkerColor(kRed);
-}
-
-//___________________________________________
+//END_HTML
+//__________________________________________________________________________________________________
+AliRICH::AliRICH()
+ :AliDetector()
+{//Default ctor should not contain any new operators
+ fpParam =0;
+ fChambers =0;
+//AliDetector ctor deals with Hits and Digits
+ fSdigits =0; fNsdigits =0;
+ fDigitsNew =0; for(int i=0;i<kNCH;i++) fNdigitsNew[i] =0;
+ fClusters =0; for(int i=0;i<kNCH;i++) fNclusters[i]=0;
+
+ fCerenkovs =0; fNcerenkovs =0;
+ fSpecials =0; fNspecials =0;
+ fDchambers =0; for(int i=0;i<kNCH;i++) fNdch[i]=0;
+ fRawClusters=0; for(int i=0;i<kNCH;i++) fNrawch[i]=0;
+ fRecHits1D =0; for(int i=0;i<kNCH;i++) fNrechits1D[i]=0;
+ fCkovNumber=fFreonProd=0;
+}//AliRICH::AliRICH()
+//__________________________________________________________________________________________________
+AliRICH::AliRICH(const char *name, const char *title)
+ :AliDetector(name,title)
+{//Named ctor
+ if(GetDebug())Info("named ctor","Start.");
+ fpParam = new AliRICHParam;
+ fChambers = 0; CreateChambers();
+//AliDetector ctor deals with Hits and Digits (reset them to 0, does not create them)
+ fHits= 0; CreateHits(); gAlice->AddHitList(fHits);
+ fSdigits= 0;
+ fDigitsNew= 0;
+ fClusters= 0;
+
+ fCerenkovs= 0; CreateCerenkovsOld(); gAlice->AddHitList(fCerenkovs);
+ fSpecials= 0; CreateSpecialsOld();
+ fDchambers= 0; //CreateDigitsOld();
+ fRawClusters=0; //CreateRawClustersOld();
+ fRecHits1D= 0; //CreateRecos1Old();
+
+ fCkovNumber=fFreonProd=0;
+ if(GetDebug())Info("named ctor","Stop.");
+}//AliRICH::AliRICH(const char *name, const char *title)
+//__________________________________________________________________________________________________
AliRICH::~AliRICH()
-{
- fIshunt = 0;
- delete fHits;
- delete fClusters;
- delete fCerenkovs;
- for (Int_t i=0;i<7;i++)
- delete (*fRecClusters)[i];
- delete fRecClusters;
-
-}
-
-//___________________________________________
-void AliRICH::AddHit(Int_t track, Int_t *vol, Float_t *hits)
-{
- TClonesArray &lhits = *fHits;
- new(lhits[fNhits++]) AliRICHhit(fIshunt,track,vol,hits);
-}
-//_____________________________________________________________________________
-void AliRICH::AddCerenkov(Int_t track, Int_t *vol, Float_t *cerenkovs)
-{
- TClonesArray &lcerenkovs = *fCerenkovs;
- new(lcerenkovs[fNcerenkovs++]) AliRICHCerenkov(fIshunt,track,vol,cerenkovs);
-}
-//___________________________________________
-void AliRICH::AddCluster(Int_t *clhits)
-{
- TClonesArray &lclusters = *fClusters;
- new(lclusters[fNclusters++]) AliRICHcluster(clhits);
-}
-//_____________________________________________________________________________
-void AliRICH::AddDigits(Int_t id, Int_t *tracks, Int_t *charges, Int_t *digits)
-{
- //
- // Add a RICH digit to the list
- //
-
- TClonesArray &ldigits = *((TClonesArray*)(*fDchambers)[id]);
- new(ldigits[fNdch[id]++]) AliRICHdigit(tracks,charges,digits);
+{//dtor
+ if(GetDebug()) Info("dtor","Start.");
+
+ if(fpParam) delete fpParam;
+ if(fChambers) delete fChambers;
+
+ if(fHits) delete fHits;
+ if(fSdigits) delete fSdigits;
+ if(fDigits) delete fDigits;
+ if(fDigitsNew) {fDigitsNew->Delete(); delete fDigitsNew;}
+ if(fClusters) {fClusters->Delete(); delete fClusters;}
+
+ if(fCerenkovs) delete fCerenkovs;
+ if(fSpecials) delete fSpecials;
+ if(fDchambers) {fDchambers->Delete(); delete fDchambers;}
+ if(fRawClusters) {fRawClusters->Delete(); delete fRawClusters;}
+ if(fRecHits1D) {fRecHits1D->Delete(); delete fRecHits1D;}
+ if(GetDebug()) Info("dtor","Stop.");
+}//AliRICH::~AliRICH()
+//__________________________________________________________________________________________________
+void AliRICH::Hits2SDigits()
+{//Create a list of sdigits corresponding to list of hits. Every hit generates one or more sdigits.
+ if(GetDebug()) Info("Hit2SDigits","Start.");
+ GetLoader()->LoadHits();
+
+ for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events loop
+ gAlice->GetRunLoader()->GetEvent(iEventN);
+
+ GetLoader()->MakeTree("S"); MakeBranch("S");
+ ResetSdigits(); ResetSpecialsOld();
+
+ for(Int_t iPrimN=0;iPrimN<GetLoader()->TreeH()->GetEntries();iPrimN++){//prims loop
+ GetLoader()->TreeH()->GetEntry(iPrimN);
+ for(Int_t i=0;i<Specials()->GetEntries();i++){//specials loop
+ Int_t padx= ((AliRICHSDigit*)Specials()->At(i))->PadX();
+ Int_t pady= ((AliRICHSDigit*)Specials()->At(i))->PadY();
+ Int_t qdc= ((AliRICHSDigit*)Specials()->At(i))->QPad();
+ Int_t hitN= ((AliRICHSDigit*)Specials()->At(i))->HitNumber()-1;//!!! important -1
+ Int_t chamber=((AliRICHhit*)Hits()->At(hitN))->C();
+ Int_t track=((AliRICHhit*)Hits()->At(hitN))->GetTrack();
+ AddSdigit(chamber,padx+Param()->NpadsX()/2,pady+Param()->NpadsY()/2,qdc,track);
+ }//specials loop
+ }//prims loop
+ GetLoader()->TreeS()->Fill();
+ GetLoader()->WriteSDigits("OVERWRITE");
+ if(GetDebug()) Info("Hit2SDigits","Event %i processed.",iEventN);
+ }//events loop
+ GetLoader()->UnloadHits(); GetLoader()->UnloadSDigits();
+ ResetHits(); ResetSdigits();
+ if(GetDebug()) Info("Hit2SDigits","Stop.");
+}//void AliRICH::Hits2SDigits()
+//__________________________________________________________________________________________________
+void AliRICH::SDigits2Digits()
+{//Generate digits from sdigits.
+ if(GetDebug()) Info("SDigits2Digits","Start.");
+
+ GetLoader()->LoadSDigits();
+
+ for(Int_t iEventN=0;iEventN<gAlice->GetEventsPerRun();iEventN++){//events loop
+ gAlice->GetRunLoader()->GetEvent(iEventN);
+
+ GetLoader()->MakeTree("D"); MakeBranch("D"); //create TreeD with RICH branches
+ ResetSdigits();ResetDigitsOld();//reset lists of sdigits and digits
+ GetLoader()->TreeS()->GetEntry(0);
+ Sdigits()->Sort();
+
+ Int_t kBad=-101;
+
+ Int_t tr[3],q[3],dig[5]; for(Int_t i=0;i<3;i++) tr[i]=q[i]=kBad; for(Int_t i=0;i<5;i++) dig[i]=kBad;
+ Int_t chamber=kBad,id=kBad,iNdigitsPerPad=kBad;//how many sdigits for a given pad
+
+ for(Int_t i=0;i<Sdigits()->GetEntries();i++){//sdigits loop (sorted)
+ AliRICHdigit *pSdig=(AliRICHdigit*)Sdigits()->At(i);
+ if(pSdig->Id()==id){//still the same pad
+ iNdigitsPerPad++;
+ dig[2]+=pSdig->Qdc();//sum up qdc
+ if(iNdigitsPerPad<=3)
+ tr[iNdigitsPerPad-1]=pSdig->T(0);
+ else
+ Info("","More then 3 sdigits for the given pad");
+ }else{//new pad, add the pevious one
+ if(id!=kBad) AddDigitOld(chamber,tr,q,dig);
+ chamber=pSdig->C();dig[0]=pSdig->X();dig[1]=pSdig->Y();dig[2]=pSdig->Qdc();tr[0]=pSdig->T(0);id=pSdig->Id();
+ iNdigitsPerPad=1;tr[1]=tr[2]=kBad;
+ }
+ }//sdigits loop (sorted)
+ AddDigitOld(chamber,tr,q,dig);//add the last digit
+
+ GetLoader()->TreeD()->Fill();
+ GetLoader()->WriteDigits("OVERWRITE");
+ if(GetDebug()) Info("SDigits2Digits","Event %i processed.",iEventN);
+ }//events loop
+ GetLoader()->UnloadSDigits(); GetLoader()->UnloadDigits();
+ ResetSdigits(); ResetDigitsOld();
+ if(GetDebug()) Info("SDigits2Digits","Stop.");
+}//void AliRICH::SDigits2Digits()
+//__________________________________________________________________________________________________
+void AliRICH::Digits2Reco()
+{//Generate clusters from digits then generate recos from clusters or digits
+ if(GetDebug()) Info("Digits2reco","Start.");
+
+}//void AliRICH::Digits2Reco()
+//__________________________________________________________________________________________________
+void AliRICH::AddRecHit1D(Int_t id, Float_t *rechit, Float_t *photons, Int_t *padsx, Int_t* padsy)
+{// Add a RICH reconstructed hit to the list
+
+ TClonesArray &lrec1D = *((TClonesArray*)fRecHits1D->At(id));
+ new(lrec1D[fNrechits1D[id]++]) AliRICHRecHit1D(id,rechit,photons,padsx,padsy);
}
-
-
//_____________________________________________________________________________
-void AliRICH::AddRecCluster(Int_t iCh, Int_t iCat, AliRICHRecCluster* Cluster)
-{
- //
- // Add a RICH reconstructed cluster to the list
- //
- TObjArray* ClusterList = RecClusters(iCh,iCat);
- ClusterList->Add(Cluster);
-}
-
-
-
-//___________________________________________
-void AliRICH::BuildGeometry()
-
+void AliRICH::BuildGeometry()
+{//Builds a TNode geometry for event display
+ if(GetDebug())Info("BuildGeometry","Start.");
+
+ TNode *node, *subnode, *top;
+ top=gAlice->GetGeometry()->GetNode("alice");
+
+ new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
+
+ Float_t wid=Param()->SectorSizeX();
+ Float_t len=Param()->SectorSizeY();
+ new TBRIK("PHOTO","PHOTO","void",wid/2,0.1,len/2);
+
+ for(int i=1;i<=kNCH;i++){
+ top->cd();
+ node = new TNode(Form("RICH%i",i),Form("RICH%i",i),"S_RICH",C(i)->X(),C(i)->Y(),C(i)->Z(),C(i)->RotMatrixName());
+ node->SetLineColor(kRed);
+ node->cd();
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+Param()->DeadZone(),5,len/2+Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,len/2+Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-Param()->DeadZone(),5,len/2+Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",wid+Param()->DeadZone(),5,-len/2-Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",0,5,-len/2 -Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ subnode = new TNode("PHOTO1","PHOTO1","PHOTO",-wid-Param()->DeadZone(),5,-len/2 - Param()->DeadZone()/2,"");
+ subnode->SetLineColor(kGreen);
+ fNodes->Add(subnode);
+ fNodes->Add(node);
+ }
+ if(GetDebug())Info("BuildGeometry","Stop.");
+}//void AliRICH::BuildGeometry()
+
+static Int_t kCSI=6;
+static Int_t kGAP=9;
+//______________________________________________________________________________
+void AliRICH::CreateMaterials()
{
//
- // Builds a TNode geometry for event display
- //
- TNode *Node, *Top;
-
- const int kColorRICH = kGreen;
+ // *** DEFINITION OF AVAILABLE RICH MATERIALS ***
+ // ORIGIN : NICK VAN EIJNDHOVEN
+ // Modified by: N. Colonna (INFN - BARI, Nicola.Colonna@ba.infn.it)
+ // R.A. Fini (INFN - BARI, Rosanna.Fini@ba.infn.it)
+ // R.A. Loconsole (Bari University, loco@riscom.ba.infn.it)
//
- Top=gAlice->GetGeometry()->GetNode("alice");
-
-
- new TBRIK("S_RICH","S_RICH","void",71.09999,11.5,73.15);
-
- Top->cd();
- Float_t pos1[3]={0,471.8999,165.2599};
- Chamber(0).SetChamberTransform(pos1[0],pos1[1],pos1[2],new TRotMatrix("rot993","rot993",90,0,70.69,90,19.30999,-90));
- Node = new TNode("RICH1","RICH1","S_RICH",pos1[0],pos1[1],pos1[2],"rot993");
-
-
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
-
- Float_t pos2[3]={171,470,0};
- Chamber(1).SetChamberTransform(pos2[0],pos2[1],pos2[2],new TRotMatrix("rot994","rot994",90,-20,90,70,0,0));
- Node = new TNode("RICH2","RICH2","S_RICH",pos2[0],pos2[1],pos2[2],"rot994");
-
-
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
- Float_t pos3[3]={0,500,0};
- Chamber(2).SetChamberTransform(pos3[0],pos3[1],pos3[2],new TRotMatrix("rot995","rot995",90,0,90,90,0,0));
- Node = new TNode("RICH3","RICH3","S_RICH",pos3[0],pos3[1],pos3[2],"rot995");
-
-
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
- Float_t pos4[3]={-171,470,0};
- Chamber(3).SetChamberTransform(pos4[0],pos4[1],pos4[2], new TRotMatrix("rot996","rot996",90,20,90,110,0,0));
- Node = new TNode("RICH4","RICH4","S_RICH",pos4[0],pos4[1],pos4[2],"rot996");
+ Int_t i;
-
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
- Float_t pos5[3]={161.3999,443.3999,-165.3};
- Chamber(4).SetChamberTransform(pos5[0],pos5[1],pos5[2],new TRotMatrix("rot997","rot997",90,340,108.1999,70,18.2,70));
- Node = new TNode("RICH5","RICH5","S_RICH",pos5[0],pos5[1],pos5[2],"rot997");
+ //Photons energy intervals
+ Float_t ppckov[26];
+ for (i=0;i<26;i++)
+ {
+ ppckov[i] = (Float_t(i)*0.1+5.5)*1e-9;
+ }
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
- Float_t pos6[3]={0., 471.9, -165.3,};
- Chamber(5).SetChamberTransform(pos6[0],pos6[1],pos6[2],new TRotMatrix("rot998","rot998",90,0,109.3099,90,19.30999,90));
- Node = new TNode("RICH6","RICH6","S_RICH",pos6[0],pos6[1],pos6[2],"rot998");
+ //Refraction index for quarz
+ Float_t rIndexQuarz[26];
+ Float_t e1= 10.666;
+ Float_t e2= 18.125;
+ Float_t f1= 46.411;
+ Float_t f2= 228.71;
+ for (i=0;i<26;i++)
+ {
+ Float_t ene=ppckov[i]*1e9;
+ Float_t a=f1/(e1*e1 - ene*ene);
+ Float_t b=f2/(e2*e2 - ene*ene);
+ rIndexQuarz[i] = TMath::Sqrt(1. + a + b );
+ }
+
+ //Refraction index for opaque quarz, methane and grid
+ Float_t rIndexOpaqueQuarz[26];
+ Float_t rIndexMethane[26];
+ Float_t rIndexGrid[26];
+ for (i=0;i<26;i++)
+ {
+ rIndexOpaqueQuarz[i]=1;
+ rIndexMethane[i]=1.000444;
+ rIndexGrid[i]=1;
+ }
+
+ //Absorption index for freon
+ Float_t abscoFreon[26] = {179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987, 179.0987,
+ 179.0987, 142.9206, 56.64957, 25.58622, 13.95293, 12.03905, 10.42953, 8.804196,
+ 7.069031, 4.461292, 2.028366, 1.293013, .577267, .40746, .334964, 0., 0., 0.};
+
+
+ Float_t abscoQuarz [26] = {105.8, 65.52, 48.58, 42.85, 35.79, 31.262, 28.598, 27.527, 25.007, 22.815, 21.004,
+ 19.266, 17.525, 15.878, 14.177, 11.719, 9.282, 6.62, 4.0925, 2.601, 1.149, .667, .3627,
+ .192, .1497, .10857};
+
+ //Absorption index for methane
+ Float_t abscoMethane[26];
+ for (i=0;i<26;i++)
+ {
+ abscoMethane[i]=AbsoCH4(ppckov[i]*1e9);
+ }
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
- Top->cd();
- Float_t pos7[3]={-161.399,443.3999,-165.3};
- Chamber(6).SetChamberTransform(pos7[0],pos7[1],pos7[2],new TRotMatrix("rot999","rot999",90,20,108.1999,110,18.2,110));
- Node = new TNode("RICH7","RICH7","S_RICH",pos7[0],pos7[1],pos7[2],"rot999");
- Node->SetLineColor(kColorRICH);
- fNodes->Add(Node);
+ //Absorption index for opaque quarz, csi and grid, efficiency for all and grid
+ Float_t abscoOpaqueQuarz[26];
+ Float_t abscoCsI[26];
+ Float_t abscoGrid[26];
+ Float_t efficAll[26];
+ Float_t efficGrid[26];
+ for (i=0;i<26;i++)
+ {
+ abscoOpaqueQuarz[i]=1e-5;
+ abscoCsI[i]=1e-4;
+ abscoGrid[i]=1e-4;
+ efficAll[i]=1;
+ efficGrid[i]=1;
+ }
+
+ //Efficiency for csi
+
+ Float_t efficCsI[26] = {0.000199999995, 0.000600000028, 0.000699999975, 0.00499999989, 0.00749999983, 0.010125,
+ 0.0242999997, 0.0405000001, 0.0688500032, 0.105299994, 0.121500008, 0.141749993, 0.157949999,
+ 0.162, 0.166050002, 0.167669997, 0.174299985, 0.176789999, 0.179279998, 0.182599992, 0.18592,
+ 0.187579989, 0.189239994, 0.190899998, 0.207499996, 0.215799987};
+
-}
-//___________________________________________
-Int_t AliRICH::DistancetoPrimitive(Int_t , Int_t )
-{
- return 9999;
-}
+ //FRESNEL LOSS CORRECTION FOR PERPENDICULAR INCIDENCE AND
+ //UNPOLARIZED PHOTONS
-//___________________________________________
-void AliRICH::MakeBranch(Option_t* option)
-{
- // Create Tree branches for the RICH.
+ for (i=0;i<26;i++)
+ {
+ efficCsI[i] = efficCsI[i]/(1.-Fresnel(ppckov[i]*1e9,1.,0));
+ }
+
+ /*******************************************End of rich_media.f***************************************/
- const Int_t buffersize = 4000;
- char branchname[20];
+ Float_t rIndexFreon[26];
- AliDetector::MakeBranch(option);
- sprintf(branchname,"%sCerenkov",GetName());
- if (fCerenkovs && gAlice->TreeH()) {
- gAlice->TreeH()->Branch(branchname,&fCerenkovs, buffersize);
- printf("Making Branch %s for Cerenkov Hits\n",branchname);
+ // --- Photon energy (GeV)
+ // --- Refraction indexes
+ for (i = 0; i < 26; ++i) {
+ rIndexFreon[i] = ppckov[i] * .0172 * 1e9 + 1.177;
+ //rIndexFreon[i] = 1;
}
-
- sprintf(branchname,"%sCluster",GetName());
- if (fClusters && gAlice->TreeH()) {
- gAlice->TreeH()->Branch(branchname,&fClusters, buffersize);
- printf("Making Branch %s for clusters\n",branchname);
+
+
+ Float_t a=0,z=0,den=0,radl=0,absl=0;
+ Float_t tmaxfd=-10.0, deemax=-0.2, stemax=-0.1,epsil=0.001, stmin=-0.001;
+ Int_t isxfld = gAlice->Field()->Integ();
+ Float_t sxmgmx = gAlice->Field()->Max();
+
+ AliMaterial( 1, "Air $",a=14.61,z=7.3, den=0.001205,radl=30420.0,absl=67500);//(Air)
+ AliMedium(1, "DEFAULT MEDIUM AIR$", 1, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial( 6, "HON", a=12.01,z=6.0, den=0.1, radl=18.8, absl=0); //(C)-equivalent radl
+ AliMedium(2, "HONEYCOMB$", 6, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(16, "CSI", a=12.01,z=6.0, den=0.1, radl=18.8, absl=0); //CsI-radl equivalent
+ AliMedium(kCSI, "CSI$", 16, 1, isxfld, sxmgmx,tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(11, "GRI", a=63.54,z=29.0,den=8.96, radl=1.43, absl=0); //anode grid (Cu)
+ AliMedium(7, "GRIGLIA$", 11, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(50, "ALUM", a=26.98,z=13.0,den=2.7, radl=8.9, absl=0); //aluminium sheet (Al)
+ AliMedium(10, "ALUMINUM$", 50, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMaterial(31, "COPPER$", a=63.54,z=29.0,den=8.96, radl=1.4, absl=0); //(Cu)
+ AliMedium(12, "PCB_COPPER", 31, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aQuartz[2]={28.09,16.0}; Float_t zQuartz[2]={14.00, 8.0}; Float_t wmatQuartz[2]={1,2};
+ AliMixture (20, "QUA",aQuartz,zQuartz,den=2.64,-2, wmatQuartz);//Quarz (SiO2) - trasnparent
+ AliMedium(3, "QUARZO$", 20, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMixture (21, "QUAO",aQuartz, zQuartz, den=2.64, -2, wmatQuartz);//Quarz (SiO2) - opaque
+ AliMedium(8, "QUARZOO$", 21, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aFreon[2]={12,19}; Float_t zFreon[2]={6,9}; Float_t wmatFreon[2]={6,14};
+ AliMixture (30, "FRE",aFreon,zFreon,den=1.7,-2,wmatFreon);//Freon (C6F14)
+ AliMedium(4, "FREON$", 30, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Float_t aMethane[2]={12.01,1}; Float_t zMethane[2]={6,1}; Float_t wmatMethane[2]={1,4};
+ AliMixture (40, "MET", aMethane, zMethane, den=7.17e-4,-2, wmatMethane);//methane (CH4)
+ AliMedium(5, "METANO$", 40, 1, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ AliMixture (41, "METG", aMethane, zMethane, den=7.17e-4, -2, wmatMethane);
+ AliMedium(kGAP, "GAP$", 41, 1, isxfld, sxmgmx,tmaxfd, 0.1, -deemax, epsil, -stmin);
+
+ Float_t aGlass[5]={12.01, 28.09, 16., 10.8, 23.};
+ Float_t zGlass[5]={ 6., 14., 8., 5., 11.};
+ Float_t wGlass[5]={ 0.5, 0.105, 0.355, 0.03, 0.01};
+ AliMixture (32, "GLASS",aGlass, zGlass, den=1.74, 5, wGlass);//Glass 50%C+10.5%Si+35.5%O+3% + 1%
+ AliMedium(11, "GLASS", 32, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
+ Int_t *idtmed = fIdtmed->GetArray()-999;
+ gMC->SetCerenkov(idtmed[1000], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ gMC->SetCerenkov(idtmed[1001], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ gMC->SetCerenkov(idtmed[1002], 26, ppckov, abscoQuarz, efficAll, rIndexQuarz);
+ gMC->SetCerenkov(idtmed[1003], 26, ppckov, abscoFreon, efficAll, rIndexFreon);
+ gMC->SetCerenkov(idtmed[1004], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ gMC->SetCerenkov(idtmed[1005], 26, ppckov, abscoCsI, efficCsI, rIndexMethane);
+ gMC->SetCerenkov(idtmed[1006], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
+ gMC->SetCerenkov(idtmed[1007], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
+ gMC->SetCerenkov(idtmed[1008], 26, ppckov, abscoMethane, efficAll, rIndexMethane);
+ gMC->SetCerenkov(idtmed[1009], 26, ppckov, abscoGrid, efficGrid, rIndexGrid);
+ gMC->SetCerenkov(idtmed[1010], 26, ppckov, abscoOpaqueQuarz, efficAll, rIndexOpaqueQuarz);
+}//void AliRICH::CreateMaterials()
+//__________________________________________________________________________________________________
+Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
+{
+
+ //ENE(EV), PDOTI=COS(INC.ANG.), PDOTR=COS(POL.PLANE ROT.ANG.)
+
+ 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,
+ 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,
+ 7.8,7.9,8.0,8.1,8.2,8.3,8.4,8.5};
+ Float_t csin[36] = {2.14,2.21,2.33,2.48,2.76,2.97,2.99,2.59,2.81,3.05,
+ 2.86,2.53,2.55,2.66,2.79,2.96,3.18,3.05,2.84,2.81,2.38,2.11,
+ 2.01,2.13,2.39,2.73,3.08,3.15,2.95,2.73,2.56,2.41,2.12,1.95,
+ 1.72,1.53};
+ Float_t csik[36] = {0.,0.,0.,0.,0.,0.196,0.408,0.208,0.118,0.49,0.784,0.543,
+ 0.424,0.404,0.371,0.514,0.922,1.102,1.139,1.376,1.461,1.253,0.878,
+ 0.69,0.612,0.649,0.824,1.347,1.571,1.678,1.763,1.857,1.824,1.824,
+ 1.714,1.498};
+ Float_t xe=ene;
+ Int_t j=Int_t(xe*10)-49;
+ Float_t cn=csin[j]+((csin[j+1]-csin[j])/0.1)*(xe-en[j]);
+ Float_t ck=csik[j]+((csik[j+1]-csik[j])/0.1)*(xe-en[j]);
+
+ //FORMULAE FROM HANDBOOK OF OPTICS, 33.23 OR
+ //W.R. HUNTER, J.O.S.A. 54 (1964),15 , J.O.S.A. 55(1965),1197
+
+ Float_t sinin=TMath::Sqrt(1-pdoti*pdoti);
+ Float_t tanin=sinin/pdoti;
+
+ Float_t c1=cn*cn-ck*ck-sinin*sinin;
+ Float_t c2=4*cn*cn*ck*ck;
+ Float_t aO=TMath::Sqrt(0.5*(TMath::Sqrt(c1*c1+c2)+c1));
+ Float_t b2=0.5*(TMath::Sqrt(c1*c1+c2)-c1);
+
+ Float_t rs=((aO-pdoti)*(aO-pdoti)+b2)/((aO+pdoti)*(aO+pdoti)+b2);
+ Float_t rp=rs*((aO-sinin*tanin)*(aO-sinin*tanin)+b2)/((aO+sinin*tanin)*(aO+sinin*tanin)+b2);
+
+
+ //CORRECTION FACTOR FOR SURFACE ROUGHNESS
+ //B.J. STAGG APPLIED OPTICS, 30(1991),4113
+
+ Float_t sigraf=18.;
+ Float_t lamb=1240/ene;
+ Float_t fresn;
+
+ Float_t rO=TMath::Exp(-(4*TMath::Pi()*pdoti*sigraf/lamb)*(4*TMath::Pi()*pdoti*sigraf/lamb));
+
+ if(pola)
+ {
+ Float_t pdotr=0.8; //DEGREE OF POLARIZATION : 1->P , -1->S
+ fresn=0.5*(rp*(1+pdotr)+rs*(1-pdotr));
}
+ else
+ fresn=0.5*(rp+rs);
+
+ fresn = fresn*rO;
+ return(fresn);
+}//Float_t AliRICH::Fresnel(Float_t ene,Float_t pdoti, Bool_t pola)
+//__________________________________________________________________________________________________
+Float_t AliRICH::AbsoCH4(Float_t x)
+{
+
+ //KLOSCH,SCH4(9),WL(9),EM(9),ALENGTH(31)
+ Float_t sch4[9] = {.12,.16,.23,.38,.86,2.8,7.9,28.,80.}; //MB X 10^22
+ //Float_t wl[9] = {153.,152.,151.,150.,149.,148.,147.,146.,145};
+ Float_t em[9] = {8.1,8.158,8.212,8.267,8.322,8.378,8.435,8.493,8.55};
+ const Float_t kLosch=2.686763E19; // LOSCHMIDT NUMBER IN CM-3
+ const Float_t kIgas1=100, kIgas2=0, kOxy=10., kWater=5., kPressure=750.,kTemperature=283.;
+ Float_t pn=kPressure/760.;
+ Float_t tn=kTemperature/273.16;
-// one branch for digits per chamber
- Int_t i;
-
- for (i=0; i<7 ;i++) {
- sprintf(branchname,"%sDigits%d",GetName(),i+1);
- if (fDchambers && gAlice->TreeD()) {
- gAlice->TreeD()->Branch(branchname,&((*fDchambers)[i]), buffersize);
- printf("Making Branch %s for digits in chamber %d\n",branchname,i+1);
- }
+// ------- METHANE CROSS SECTION -----------------
+// ASTROPH. J. 214, L47 (1978)
+
+ Float_t sm=0;
+ if (x<7.75)
+ sm=.06e-22;
+
+ if(x>=7.75 && x<=8.1)
+ {
+ Float_t c0=-1.655279e-1;
+ Float_t c1=6.307392e-2;
+ Float_t c2=-8.011441e-3;
+ Float_t c3=3.392126e-4;
+ sm=(c0+c1*x+c2*x*x+c3*x*x*x)*1.e-18;
}
-// one branch for rec clusters
- for (i=0; i<7; i++) {
- sprintf(branchname,"%sRecClus%d",GetName(),i+1);
- if (fRecClusters && gAlice->TreeD()) {
- gAlice->TreeR()
- ->Branch(branchname,"TObjArray",
- &((*fRecClusters)[i]), buffersize,0);
- printf("Making Branch %s for clusters in chamber %d\n",
- branchname,i+1);
+
+ if (x> 8.1)
+ {
+ Int_t j=0;
+ while (x<=em[j] && x>=em[j+1])
+ {
+ j++;
+ Float_t a=(sch4[j+1]-sch4[j])/(em[j+1]-em[j]);
+ sm=(sch4[j]+a*(x-em[j]))*1e-22;
}
}
-}
-
-//___________________________________________
-void AliRICH::SetTreeAddress()
-{
- // Set branch address for the Hits and Digits Tree.
- char branchname[20];
- AliDetector::SetTreeAddress();
- TBranch *branch;
- TTree *treeH = gAlice->TreeH();
- TTree *treeD = gAlice->TreeD();
+ Float_t dm=(kIgas1/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
+ Float_t abslm=1./sm/dm;
- if (treeH) {
- if (fClusters) {
- branch = treeH->GetBranch("RICHCluster");
- if (branch) branch->SetAddress(&fClusters);
- }
- if (fCerenkovs) {
- branch = treeH->GetBranch("RICHCerenkov");
- if (branch) branch->SetAddress(&fCerenkovs);
- }
+// ------- ISOBUTHANE CROSS SECTION --------------
+// i-C4H10 (ai) abs. length from curves in
+// Lu-McDonald paper for BARI RICH workshop .
+// -----------------------------------------------------------
+
+ Float_t ai;
+ Float_t absli;
+ if (kIgas2 != 0)
+ {
+ if (x<7.25)
+ ai=100000000.;
+
+ if(x>=7.25 && x<7.375)
+ ai=24.3;
+
+ if(x>=7.375)
+ ai=.0000000001;
+ Float_t si = 1./(ai*kLosch*273.16/293.); // ISOB. CRO.SEC.IN CM2
+ Float_t di=(kIgas2/100.)*(1.-((kOxy+kWater)/1.e6))*kLosch*pn/tn;
+ absli =1./si/di;
}
-
- if (treeD) {
- for (int i=0; i<7; i++) {
- sprintf(branchname,"%sDigits%d",GetName(),i+1);
- if (fDchambers) {
- branch = treeD->GetBranch(branchname);
- if (branch) branch->SetAddress(&((*fDchambers)[i]));
- }
+ else
+ absli=1.e18;
+// ---------------------------------------------------------
+//
+// transmission of O2
+//
+// y= path in cm, x=energy in eV
+// so= cross section for UV absorption in cm2
+// do= O2 molecular density in cm-3
+// ---------------------------------------------------------
+
+ Float_t abslo;
+ Float_t so=0;
+ if(x>=6.0)
+ {
+ if(x>=6.0 && x<6.5)
+ {
+ so=3.392709e-13 * TMath::Exp(2.864104 *x);
+ so=so*1e-18;
}
- }
-}
-//___________________________________________
-void AliRICH::ResetHits()
-{
- // Reset number of clusters and the cluster array for this detector
- AliDetector::ResetHits();
- fNclusters = 0;
- if (fClusters) fClusters->Clear();
- if (fCerenkovs) fCerenkovs->Clear();
-}
-
-//____________________________________________
-void AliRICH::ResetDigits()
-{
- //
- // Reset number of digits and the digits array for this detector
- //
- for ( int i=0;i<7;i++ ) {
- if ((*fDchambers)[i]) (*fDchambers)[i]->Clear();
- if (fNdch) fNdch[i]=0;
- }
-}
-//____________________________________________
-void AliRICH::ResetRecClusters()
-{
- //
- // Reset the rec clusters
- //
- for ( int i=0;i<7;i++ ) {
- if ((*fRecClusters)[i]) (*fRecClusters)[i]->Clear();
- }
-}
-//___________________________________________
-
-void AliRICH::SetPADSIZ(Int_t id, Int_t isec, Float_t p1, Float_t p2)
-{
- Int_t i=2*(id-1);
- ((AliRICHchamber*) (*fChambers)[i]) ->SetPADSIZ(isec,p1,p2);
- ((AliRICHchamber*) (*fChambers)[i+1])->SetPADSIZ(isec,p1,p2);
-}
-
-//___________________________________________
-void AliRICH::SetMUCHSP(Int_t id, Float_t p1)
-{
- Int_t i=2*(id-1);
- ((AliRICHchamber*) (*fChambers)[i])->SetMUCHSP(p1);
- ((AliRICHchamber*) (*fChambers)[i+1])->SetMUCHSP(p1);
-}
-
-//___________________________________________
-void AliRICH::SetMUSIGM(Int_t id, Float_t p1, Float_t p2)
-{
- Int_t i=2*(id-1);
- ((AliRICHchamber*) (*fChambers)[i])->SetMUSIGM(p1,p2);
- ((AliRICHchamber*) (*fChambers)[i+1])->SetMUSIGM(p1,p2);
-}
-
-//___________________________________________
-void AliRICH::SetRSIGM(Int_t id, Float_t p1)
-{
- Int_t i=2*(id-1);
- ((AliRICHchamber*) (*fChambers)[i])->SetRSIGM(p1);
- ((AliRICHchamber*) (*fChambers)[i+1])->SetRSIGM(p1);
-}
-
-//___________________________________________
-void AliRICH::SetMAXADC(Int_t id, Float_t p1)
-{
- Int_t i=2*(id-1);
- ((AliRICHchamber*) (*fChambers)[i])->SetMAXADC(p1);
- ((AliRICHchamber*) (*fChambers)[i+1])->SetMAXADC(p1);
-}
-
-//___________________________________________
-void AliRICH::SetSMAXAR(Float_t p1)
-{
- fMaxStepGas=p1;
-}
-
-//___________________________________________
-void AliRICH::SetSMAXAL(Float_t p1)
-{
- fMaxStepAlu=p1;
-}
-
-//___________________________________________
-void AliRICH::SetDMAXAR(Float_t p1)
-{
- fMaxDestepGas=p1;
-}
-
-//___________________________________________
-void AliRICH::SetDMAXAL(Float_t p1)
-{
- fMaxDestepAlu=p1;
-}
-//___________________________________________
-void AliRICH::SetRICHACC(Bool_t acc, Float_t angmin, Float_t angmax)
-{
- fAccCut=acc;
- fAccMin=angmin;
- fAccMax=angmax;
-}
-//___________________________________________
-void AliRICH::SetSegmentationModel(Int_t id, Int_t isec, AliRICHsegmentation *segmentation)
-{
- ((AliRICHchamber*) (*fChambers)[id])->SegmentationModel(isec, segmentation);
-
-}
-//___________________________________________
-void AliRICH::SetResponseModel(Int_t id, Response_t res, AliRICHresponse *response)
-{
- ((AliRICHchamber*) (*fChambers)[id])->ResponseModel(res, response);
-}
-
-void AliRICH::SetNsec(Int_t id, Int_t nsec)
-{
- ((AliRICHchamber*) (*fChambers)[id])->SetNsec(nsec);
-}
-
-
-//___________________________________________
+
+ if(x>=6.5 && x<7.0)
+ {
+ so=2.910039e-34 * TMath::Exp(10.3337*x);
+ so=so*1e-18;
+ }
+
-void AliRICH::StepManager()
-{
- printf("Dummy version of RICH step -- it should never happen!!\n");
- const Float_t kRaddeg = 180/TMath::Pi();
- Int_t nsec, ipart;
- TLorentzVector x, p;
- Float_t pt, th0, th1;
- char proc[5];
- if(fAccCut) {
- if((nsec=gMC->NSecondaries())>0) {
- gMC->ProdProcess(proc);
- if((gMC->TrackPid()==113 || gMC->TrackPid()==114) && !strcmp(proc,"DCAY")) {
-
- // Check angular acceptance
- //* --- and have muons from resonance decays in the wanted window ---
- if(nsec != 2) {
- printf(" AliRICH::StepManager: Strange resonance Decay into %d particles\n",nsec);
- gMC->StopEvent();
- } else {
- gMC->GetSecondary(0,ipart,x,p);
- pt = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
- th0 = TMath::ATan2(pt,p[2])*kRaddeg;
- gMC->GetSecondary(1,ipart,x,p);
- pt = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
- th1 = TMath::ATan2(pt,p[2])*kRaddeg;
- if(!(fAccMin < th0 && th0 < fAccMax) ||
- !(fAccMin < th1 && th1 < fAccMax))
- gMC->StopEvent();
- }
- }
+ if (x>=7.0)
+ {
+ Float_t a0=-73770.76;
+ Float_t a1=46190.69;
+ Float_t a2=-11475.44;
+ Float_t a3=1412.611;
+ Float_t a4=-86.07027;
+ Float_t a5=2.074234;
+ so= a0+(a1*x)+(a2*x*x)+(a3*x*x*x)+(a4*x*x*x*x)+(a5*x*x*x*x*x);
+ so=so*1e-18;
}
+
+ Float_t dox=(kOxy/1e6)*kLosch*pn/tn;
+ abslo=1./so/dox;
}
-}
-void AliRICH::ReconstructClusters()
-{
+ else
+ abslo=1.e18;
+// ---------------------------------------------------------
//
-// Initialize the necessary correspondance table
+// transmission of H2O
//
- static const Int_t kMaxNPadx = 600;
- static const Int_t kMaxNPady = 600;
- Int_t elem[kMaxNPadx*2][kMaxNPady*2];
-//
-// Loop on chambers and on cathode planes
-//
- for (Int_t ich=0;ich<7;ich++)
- for (Int_t icat=0;icat<1;icat++) {
- //
- // Get ready the current chamber stuff
- //
+// y= path in cm, x=energy in eV
+// sw= cross section for UV absorption in cm2
+// dw= H2O molecular density in cm-3
+// ---------------------------------------------------------
+
+ Float_t abslw;
+
+ Float_t b0=29231.65;
+ Float_t b1=-15807.74;
+ Float_t b2=3192.926;
+ Float_t b3=-285.4809;
+ Float_t b4=9.533944;
+
+ if(x>6.75)
+ {
+ Float_t sw= b0+(b1*x)+(b2*x*x)+(b3*x*x*x)+(b4*x*x*x*x);
+ sw=sw*1e-18;
+ Float_t dw=(kWater/1e6)*kLosch*pn/tn;
+ abslw=1./sw/dw;
+ }
+ else
+ abslw=1.e18;
- printf ("Olarilole");
- AliRICHchamber* iChamber= &(this->Chamber(ich));
- AliRICHsegmentation* segmentation =
- iChamber->GetSegmentationModel(icat+1);
- if (!segmentation)
- continue;
- TClonesArray *RICHdigits = this->DigitsAddress(ich);
- if (RICHdigits == 0)
- continue;
- cout << "Npx " << segmentation->Npx()
- << " Npy " << segmentation->Npy() << endl;
- //
- // Ready the digits
- //
- gAlice->ResetDigits();
- gAlice->TreeD()->GetEvent(icat+1); // spurious +1 ...
- Int_t ndigits = RICHdigits->GetEntriesFast();
- if (ndigits == 0)
- continue;
- printf("Found %d digits for cathode %d in chamber %d \n",
- ndigits,icat,ich+1);
- AliRICHdigit *mdig;
- AliRICHRecCluster *Cluster;
- //
- // Build the correspondance table
- //
- memset(elem,0,sizeof(Int_t)*kMaxNPadx*kMaxNPady*4);
- Int_t digit;
- for (digit=0; digit<ndigits; digit++)
- {
- mdig = (AliRICHdigit*)RICHdigits->UncheckedAt(digit);
- elem[kMaxNPadx+mdig->fPadX][kMaxNPady+mdig->fPadY] = digit+1;
- // because default is 0
- }
- //
- // Declare some useful variables
- //
- Int_t Xlist[10];
- Int_t Ylist[10];
- Int_t Nlist;
- Int_t nclust=0;
- //
- // loop over digits
- //
- for (digit=0;digit<ndigits;digit++) {
- mdig = (AliRICHdigit*)RICHdigits->UncheckedAt(digit);
- //
- // if digit still available, start clustering
- //
- if (elem[kMaxNPadx+mdig->fPadX][kMaxNPady+mdig->fPadY]) {
- Cluster = new AliRICHRecCluster(digit, ich, icat);
- elem[kMaxNPadx+mdig->fPadX][kMaxNPady+mdig->fPadY]=0;
- //
- // loop over the current list of digits
- // and look for neighbours
- //
- for(Int_t clusDigit=Cluster->FirstDigitIndex();
- clusDigit!=Cluster->InvalidDigitIndex();
- clusDigit=Cluster->NextDigitIndex()) {
- AliRICHdigit* pDigit=(AliRICHdigit*)RICHdigits
- ->UncheckedAt(clusDigit);
- segmentation->Neighbours(pDigit->fPadX,pDigit->fPadY,
- &Nlist, Xlist, Ylist);
- for (Int_t Ilist=0;Ilist<Nlist;Ilist++) {
- if (elem[kMaxNPadx+Xlist[Ilist]][kMaxNPady
- +Ylist[Ilist]]) {
- //
- // Add the digit at the end and reset the table
- //
- Cluster->AddDigit(elem[kMaxNPadx+Xlist[Ilist]][kMaxNPady+Ylist[Ilist]]-1);
- elem[kMaxNPadx+Xlist[Ilist]][kMaxNPady
- +Ylist[Ilist]] =0;
- } // if elem
- } // for Ilist
- } // for pDigit
- //
- // Store the cluster (good time to do Cluster polishing)
- //
- segmentation->FitXY(Cluster,RICHdigits);
- nclust ++;
- AddRecCluster(ich,icat,Cluster);
- }
- }
- printf("===> %d Clusters\n",nclust);
- } // for icat
+// ---------------------------------------------------------
+
+ Float_t alength=1./(1./abslm+1./absli+1./abslo+1./abslw);
+ return (alength);
}
-
-
-//______________________________________________________________________________
-void AliRICH::Streamer(TBuffer &R__b)
-{
- // Stream an object of class AliRICH.
- AliRICHchamber *iChamber;
- AliRICHsegmentation *segmentation;
- AliRICHresponse *response;
- TClonesArray *digitsaddress;
+//__________________________________________________________________________________________________
+void AliRICH::MakeBranch(Option_t* option)
+{//Create Tree branches for the RICH.
+ if(GetDebug())Info("MakeBranch","Start with option= %s.",option);
+
+ const Int_t kBufferSize = 4000;
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliDetector::Streamer(R__b);
- R__b >> fNclusters;
- R__b >> fClusters; // diff
- R__b >> fDchambers;
- R__b.ReadArray(fNdch);
- //
- R__b >> fAccCut;
- R__b >> fAccMin;
- R__b >> fAccMax;
- //
- R__b >> fChambers;
-// Stream chamber related information
- for (Int_t i =0; i<7; i++) {
- iChamber=(AliRICHchamber*) (*fChambers)[i];
- iChamber->Streamer(R__b);
- if (iChamber->Nsec()==1) {
- segmentation=iChamber->GetSegmentationModel(1);
- segmentation->Streamer(R__b);
- } else {
- segmentation=iChamber->GetSegmentationModel(1);
- segmentation->Streamer(R__b);
- segmentation=iChamber->GetSegmentationModel(2);
- segmentation->Streamer(R__b);
- }
- response=iChamber->GetResponseModel(mip);
- response->Streamer(R__b);
- response=iChamber->GetResponseModel(cerenkov);
- response->Streamer(R__b);
-
- digitsaddress=(TClonesArray*) (*fDchambers)[i];
- digitsaddress->Streamer(R__b);
- }
+ const char *cH = strstr(option,"H");
+ const char *cD = strstr(option,"D");
+ const char *cR = strstr(option,"R");
+ const char *cS = strstr(option,"S");
+
+ if(cH&&TreeH()){//H
+ CreateHits(); //branch will be created in AliDetector::MakeBranch
+ CreateCerenkovsOld(); MakeBranchInTree(TreeH(),"RICHCerenkov", &fCerenkovs, kBufferSize,0);
+ CreateSpecialsOld(); MakeBranchInTree(TreeH(),"RICHSpecials", &fSpecials,kBufferSize,0);
+ }//H
+ AliDetector::MakeBranch(option);//this is after cH because we need to guarantee that fHits array is created
- } else {
- R__b.WriteVersion(AliRICH::IsA());
- AliDetector::Streamer(R__b);
- R__b << fNclusters;
- R__b << fClusters; // diff
- R__b << fDchambers;
- R__b.WriteArray(fNdch, 7);
- //
- R__b << fAccCut;
- R__b << fAccMin;
- R__b << fAccMax;
- //
- R__b << fChambers;
-// Stream chamber related information
- for (Int_t i =0; i<7; i++) {
- iChamber=(AliRICHchamber*) (*fChambers)[i];
- iChamber->Streamer(R__b);
- if (iChamber->Nsec()==1) {
- segmentation=iChamber->GetSegmentationModel(1);
- segmentation->Streamer(R__b);
- } else {
- segmentation=iChamber->GetSegmentationModel(1);
- segmentation->Streamer(R__b);
- segmentation=iChamber->GetSegmentationModel(2);
- segmentation->Streamer(R__b);
- }
- response=iChamber->GetResponseModel(mip);
- response->Streamer(R__b);
- response=iChamber->GetResponseModel(cerenkov);
- response->Streamer(R__b);
-
- digitsaddress=(TClonesArray*) (*fDchambers)[i];
- digitsaddress->Streamer(R__b);
- }
- }
-}
-AliRICHcluster* AliRICH::FirstPad(AliRICHhit* hit,TClonesArray *clusters )
-{
-//
- // Initialise the pad iterator
- // Return the address of the first padhit for hit
- TClonesArray *theClusters = clusters;
- Int_t nclust = theClusters->GetEntriesFast();
- if (nclust && hit->fPHlast > 0) {
- sMaxIterPad=hit->fPHlast;
- sCurIterPad=hit->fPHfirst;
- return (AliRICHcluster*) clusters->UncheckedAt(sCurIterPad-1);
- } else {
- return 0;
+ if(cS&&fLoader->TreeS()){//S
+ CreateSdigits(); MakeBranchInTree(fLoader->TreeS(),"RICH",&fSdigits,kBufferSize,0) ;
+ }//S
+
+ if(cD&&fLoader->TreeD()){//D
+ CreateDigits();
+ CreateDigitsOld();
+ for(int i=0;i<kNCH;i++){
+ MakeBranchInTree(fLoader->TreeD(),Form("%sDigits%d",GetName(),i+1),&((*fDchambers)[i]),kBufferSize,0);
+ MakeBranchInTree(fLoader->TreeD(),Form("%s%d",GetName(),i+1),&((*fDigitsNew)[i]),kBufferSize,0);
}
+ }//D
+
+ if(cR&&fLoader->TreeR()){//R
+ CreateRawClustersOld();
+ for(int i=0; i<kNCH ;i++)
+ MakeBranchInTree(fLoader->TreeR(),Form("%sRawClusters%d",GetName(),i+1), &((*fRawClusters)[i]), kBufferSize, 0);
+
+ CreateRecos1Old();
+ for(int i=0; i<kNCH ;i++)
+ MakeBranchInTree(fLoader->TreeR(),Form("%sRecHits1D%d",GetName(),i+1),&((*fRecHits1D)[i]),kBufferSize,0);
+ }//R
+ if(GetDebug())Info("MakeBranch","Stop.");
+}//void AliRICH::MakeBranch(Option_t* option)
+//__________________________________________________________________________________________________
+void AliRICH::SetTreeAddress()
+{//Set branch address for the Hits and Digits Tree.
+ if(GetDebug())Info("SetTreeAddress","Start.");
+
+ TBranch *branch;
+
+ if(fLoader->TreeH()){//H
+ if(GetDebug())Info("SetTreeAddress","tree H is requested.");
+ CreateHits();//branch map will be in AliDetector::SetTreeAddress
+ branch=fLoader->TreeH()->GetBranch("RICHCerenkov"); if(branch){CreateCerenkovsOld(); branch->SetAddress(&fCerenkovs);}
+ branch=fLoader->TreeH()->GetBranch("RICHSpecials"); if(branch){CreateSpecialsOld(); branch->SetAddress(&fSpecials);}
+ }//H
+ AliDetector::SetTreeAddress();//this is after TreeH because we need to guarantee that fHits array is created
+
+ if(fLoader->TreeS()){//S
+ if(GetDebug())Info("SetTreeAddress","tree S is requested.");
+ branch=fLoader->TreeS()->GetBranch(GetName()); if(branch){CreateSdigits(); branch->SetAddress(&fSdigits);}
+ }//S
+
+ if(fLoader->TreeD()){//D
+ if(GetDebug())Info("SetTreeAddress","tree D is requested.");
+ for(int i=0;i<kNCH;i++){
+ branch=fLoader->TreeD()->GetBranch(Form("%s%d",GetName(),i+1));
+ if(branch){CreateDigits(); branch->SetAddress(&((*fDigitsNew)[i]));}
+
+ branch=fLoader->TreeD()->GetBranch(Form("%sDigits%d",GetName(),i+1));
+ if(branch){CreateDigitsOld(); branch->SetAddress(&((*fDchambers)[i]));}
+ }//for
+ }//D
-}
+ if(fLoader->TreeR()){//R
+ if(GetDebug())Info("SetTreeAddress","tree R is requested.");
-AliRICHcluster* AliRICH::NextPad(TClonesArray *clusters)
-{
- sCurIterPad++;
- if (sCurIterPad <= sMaxIterPad) {
- return (AliRICHcluster*) clusters->UncheckedAt(sCurIterPad-1);
- } else {
- return 0;
+ for(int i=0;i<kNCH;i++){
+ branch=fLoader->TreeR()->GetBranch(Form("%sClusters%d" ,GetName(),i+1));
+ if(branch){CreateClusters(); branch->SetAddress(&((*fRawClusters)[i]));}
}
-}
-
-ClassImp(AliRICHcluster)
-
-//___________________________________________
-AliRICHcluster::AliRICHcluster(Int_t *clhits)
-{
- fHitNumber=clhits[0];
- fCathode=clhits[1];
- fQ=clhits[2];
- fPadX=clhits[3];
- fPadY=clhits[4];
- fQpad=clhits[5];
- fRSec=clhits[6];
-}
-ClassImp(AliRICHdigit)
-//_____________________________________________________________________________
-AliRICHdigit::AliRICHdigit(Int_t *digits)
-{
- //
- // Creates a RICH digit object to be updated
- //
- fPadX = digits[0];
- fPadY = digits[1];
- fSignal = digits[2];
-}
-//_____________________________________________________________________________
-AliRICHdigit::AliRICHdigit(Int_t *tracks, Int_t *charges, Int_t *digits)
-{
- //
- // Creates a RICH digit object
- //
- fPadX = digits[0];
- fPadY = digits[1];
- fSignal = digits[2];
- for(Int_t i=0; i<10; i++) {
- fTcharges[i] = charges[i];
- fTracks[i] = tracks[i];
+ for(int i=0;i<kNCH;i++) {
+ branch=fLoader->TreeR()->GetBranch(Form("%sRawClusters%d" ,GetName(),i+1));
+ if(branch){CreateRawClustersOld(); branch->SetAddress(&((*fRawClusters)[i]));}
+
+ branch=fLoader->TreeR()->GetBranch(Form("%sRecHits1D%d",GetName(),i+1));
+ if(branch){CreateRecos1Old(); branch->SetAddress(&((*fRecHits1D)[i]));}
}
-}
-
-ClassImp(AliRICHlist)
-
-//____________________________________________________________________________
-AliRICHlist::AliRICHlist(Int_t ich, Int_t *digits):
- AliRICHdigit(digits)
-{
- //
- // Creates a RICH digit list object
- //
-
- fChamber = ich;
- fTrackList = new TObjArray;
-
-}
-//_____________________________________________________________________________
-
-
-ClassImp(AliRICHhit)
-
-//___________________________________________
-AliRICHhit::AliRICHhit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
-{
- fChamber=vol[0];
- fParticle=hits[0];
- fX=hits[1];
- fY=hits[2];
- fZ=hits[3];
- fTheta=hits[4];
- fPhi=hits[5];
- fTlength=hits[6];
- fEloss=hits[7];
- fPHfirst=(Int_t) hits[8];
- fPHlast=(Int_t) hits[9];
-}
-ClassImp(AliRICHreccluster)
-
-ClassImp(AliRICHCerenkov)
-//___________________________________________
-AliRICHCerenkov::AliRICHCerenkov(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
-{
- fChamber=vol[0];
- fX=hits[1];
- fY=hits[2];
- fZ=hits[3];
- fTheta=hits[4];
- fPhi=hits[5];
- fTlength=hits[6];
- fPHfirst=(Int_t) hits[8];
- fPHlast=(Int_t) hits[9];
-}
-
-ClassImp(AliRICHRecCluster)
-
-//_____________________________________________________________________
-AliRICHRecCluster::AliRICHRecCluster()
-{
- fDigits=0;
- fNdigit=-1;
-}
-
-AliRICHRecCluster::AliRICHRecCluster(Int_t FirstDigit,Int_t Ichamber, Int_t Icathod)
-{
- fX = 0.;
- fY = 0.;
- fDigits = new TArrayI(10);
- fNdigit=0;
- AddDigit(FirstDigit);
- fChamber=Ichamber;
- fCathod=Icathod;
-}
-
-void AliRICHRecCluster::AddDigit(Int_t Digit)
-{
- if (fNdigit==fDigits->GetSize()) {
- //enlarge the list by hand!
- Int_t *array= new Int_t[fNdigit*2];
- for(Int_t i=0;i<fNdigit;i++)
- array[i] = fDigits->At(i);
- fDigits->Adopt(fNdigit*2,array);
+ }//R
+ if(GetDebug())Info("SetTreeAddress","Stop.");
+}//void AliRICH::SetTreeAddress()
+//__________________________________________________________________________________________________
+void AliRICH::Print(Option_t *option)const
+{
+ TObject::Print(option);
+ Param()->Dump();
+ fChambers->Print(option);
+}//void AliRICH::Print(Option_t *option)const
+//__________________________________________________________________________________________________
+void AliRICH::CreateGeometry()
+{//Creates detailed geometry simulation (currently GEANT volumes tree)
+ if(GetDebug())Info("CreateGeometry","Start.");
+//Opaque quartz thickness
+ Float_t oqua_thickness = .5;
+//CsI dimensions
+ Float_t pcX=Param()->PcSizeX();
+ Float_t pcY=Param()->PcSizeY();
+
+ Int_t *idtmed = fIdtmed->GetArray()-999;
+
+ Int_t i;
+ Float_t zs;
+ Int_t idrotm[1099];
+ Float_t par[3];
+
+//External aluminium box
+ par[0]=68.8*kcm;par[1]=13*kcm;par[2]=70.86*kcm; gMC->Gsvolu("RICH", "BOX ", idtmed[1009], par, 3);
+//Air
+ par[0]=66.3; par[1] = 13; par[2] = 68.35; gMC->Gsvolu("SRIC", "BOX ", idtmed[1000], par, 3);
+//Air 2 (cutting the lower part of the box)
+ par[0]=1.25; par[1] = 3; par[2] = 70.86; gMC->Gsvolu("AIR2", "BOX ", idtmed[1000], par, 3);
+//Air 3 (cutting the lower part of the box)
+ par[0]=66.3; par[1] = 3; par[2] = 1.2505; gMC->Gsvolu("AIR3", "BOX ", idtmed[1000], par, 3);
+//Honeycomb
+ par[0]=66.3;par[1]=0.188; par[2] = 68.35; gMC->Gsvolu("HONE", "BOX ", idtmed[1001], par, 3);
+//Aluminium sheet
+ par[0]=66.3;par[1]=0.025;par[2]=68.35; gMC->Gsvolu("ALUM", "BOX ", idtmed[1009], par, 3);
+ //par[0] = 66.5; par[1] = .025; par[2] = 63.1;
+//Quartz
+ par[0]=Param()->QuartzWidth()/2;par[1]=Param()->QuartzThickness()/2;par[2]=Param()->QuartzLength()/2;
+ gMC->Gsvolu("QUAR", "BOX ", idtmed[1002], par, 3);
+//Spacers (cylinders)
+ par[0]=0.;par[1]=.5;par[2]=Param()->FreonThickness()/2; gMC->Gsvolu("SPAC", "TUBE", idtmed[1002], par, 3);
+//Feet (freon slabs supports)
+ par[0] = .7; par[1] = .3; par[2] = 1.9; gMC->Gsvolu("FOOT", "BOX", idtmed[1009], par, 3);
+//Opaque quartz
+ par[0]=Param()->QuartzWidth()/2;par[1]= .2;par[2]=Param()->QuartzLength()/2;
+ gMC->Gsvolu("OQUA", "BOX ", idtmed[1007], par, 3);
+//Frame of opaque quartz
+ par[0]=Param()->OuterFreonWidth()/2;par[1]=Param()->FreonThickness()/2;par[2]=Param()->OuterFreonLength()/2;
+ gMC->Gsvolu("OQF1", "BOX ", idtmed[1007], par, 3);
+ par[0]=Param()->InnerFreonWidth()/2;par[1]=Param()->FreonThickness()/2;par[2]=Param()->InnerFreonLength()/2;
+ gMC->Gsvolu("OQF2", "BOX ", idtmed[1007], par, 3);
+//Freon
+ par[0]=Param()->OuterFreonWidth()/2 - oqua_thickness;
+ par[1]=Param()->FreonThickness()/2;
+ par[2]=Param()->OuterFreonLength()/2 - 2*oqua_thickness;
+ gMC->Gsvolu("FRE1", "BOX ", idtmed[1003], par, 3);
+
+ par[0]=Param()->InnerFreonWidth()/2 - oqua_thickness;
+ par[1]=Param()->FreonThickness()/2;
+ par[2]=Param()->InnerFreonLength()/2 - 2*oqua_thickness;
+ gMC->Gsvolu("FRE2", "BOX ", idtmed[1003], par, 3);
+//Methane
+ par[0]=pcX/2;par[1]=Param()->GapThickness()/2;par[2]=pcY/2; gMC->Gsvolu("META","BOX ",idtmed[1004], par, 3);
+//Methane gap
+ par[0]=pcX/2;par[1]=Param()->ProximityGapThickness()/2;par[2]=pcY/2;gMC->Gsvolu("GAP ","BOX ",(*fIdtmed)[kGAP],par,3);
+//CsI PC
+ par[0]=pcX/2;par[1]=.25;par[2]=pcY/2; gMC->Gsvolu("CSI ", "BOX ", (*fIdtmed)[kCSI], par, 3);
+//Anode grid
+ par[0] = 0.;par[1] = .001;par[2] = 20.; gMC->Gsvolu("GRID", "TUBE", idtmed[1006], par, 3);
+
+//Wire supports
+//Bar of metal
+ par[0]=pcX/2;par[1]=1.05;par[2]=1.05; gMC->Gsvolu("WSMe", "BOX ", idtmed[1009], par, 3);
+//Ceramic pick up (base)
+ par[0]=pcX/2;par[1]= .25;par[2]=1.05; gMC->Gsvolu("WSG1", "BOX ", idtmed[1010], par, 3);
+//Ceramic pick up (head)
+ par[0] = pcX/2;par[1] = .1;par[2] = .1; gMC->Gsvolu("WSG2", "BOX ", idtmed[1010], par, 3);
+
+//Aluminium supports for methane and CsI
+//Short bar
+ par[0]=pcX/2;par[1]=Param()->GapThickness()/2 + .25; par[2] = (68.35 - pcY/2)/2;
+ gMC->Gsvolu("SMSH", "BOX", idtmed[1009], par, 3);
+//Long bar
+ par[0]=(66.3 - pcX/2)/2;par[1]=Param()->GapThickness()/2+.25;par[2]=pcY/2+68.35-pcY/2;
+ gMC->Gsvolu("SMLG", "BOX", idtmed[1009], par, 3);
+
+//Aluminium supports for freon
+//Short bar
+ par[0] = Param()->QuartzWidth()/2; par[1] = .3; par[2] = (68.35 - Param()->QuartzLength()/2)/2;
+ gMC->Gsvolu("SFSH", "BOX", idtmed[1009], par, 3);
+//Long bar
+ par[0] = (66.3 - Param()->QuartzWidth()/2)/2; par[1] = .3;
+ par[2] = Param()->QuartzLength()/2 + 68.35 - Param()->QuartzLength()/2;
+ gMC->Gsvolu("SFLG", "BOX", idtmed[1009], par, 3);
+//PCB backplane
+ par[0] = pcX/2;par[1] = .25; par[2] = pcY/4 -.5025; gMC->Gsvolu("PCB ", "BOX", idtmed[1011], par, 3);
+
+//Backplane supports
+//Aluminium slab
+ par[0] = 33.15;par[1] = 2;par[2] = 21.65; gMC->Gsvolu("BACK", "BOX", idtmed[1009], par, 3);
+//Big hole
+ par[0] = 9.05; par[1] = 2; par[2] = 4.4625; gMC->Gsvolu("BKHL", "BOX", idtmed[1000], par, 3);
+//Small hole
+ par[0] = 5.7;par[1] = 2;par[2] = 4.4625; gMC->Gsvolu("BKHS", "BOX", idtmed[1000], par, 3);
+//Place holes inside backplane support
+ gMC->Gspos("BKHS", 1, "BACK", .8 + 5.7,0., .6 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 2, "BACK", -.8 - 5.7,0., .6 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 3, "BACK", .8 + 5.7,0., -.6 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 4, "BACK", -.8 - 5.7,0., -.6 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 5, "BACK", .8 + 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 6, "BACK", -.8 - 5.7,0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 7, "BACK", .8 + 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHS", 8, "BACK", -.8 - 5.7,0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 1, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., .6 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 2, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 3, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 4, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 5, "BACK", .8 + 11.4+ 1.6 + 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 6, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., .6 + 8.925 + 1.2 + 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 7, "BACK", .8 + 11.4 + 1.6 + 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+ gMC->Gspos("BKHL", 8, "BACK", -.8 - 11.4 - 1.6 - 9.05, 0., -.6 - 8.925 - 1.2 - 4.4625, 0, "ONLY");
+//Place material inside RICH
+ gMC->Gspos("SRIC", 1, "RICH", 0.,0., 0., 0, "ONLY");
+ gMC->Gspos("AIR2", 1, "RICH", 66.3 + 1.2505, 1.276-Param()->GapThickness()/2-Param()->QuartzThickness()-Param()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+ gMC->Gspos("AIR2", 2, "RICH", -66.3 - 1.2505,1.276-Param()->GapThickness()/2-Param()->QuartzThickness()-Param()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 0., 0, "ONLY");
+ gMC->Gspos("AIR3", 1, "RICH", 0., 1.276-Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, -68.35 - 1.25, 0, "ONLY");
+ gMC->Gspos("AIR3", 2, "RICH", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .6 - .05 - .376 -.5 - 3.35, 68.35 + 1.25, 0, "ONLY");
+ gMC->Gspos("ALUM", 1, "SRIC", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .6 - .05 - .376 -.025, 0., 0, "ONLY");
+ gMC->Gspos("HONE", 1, "SRIC", 0., 1.276- Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .6 - .05 - .188, 0., 0, "ONLY");
+ gMC->Gspos("ALUM", 2, "SRIC", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .6 - .025, 0., 0, "ONLY");
+ gMC->Gspos("FOOT", 1, "SRIC", 64.95, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 2, "SRIC", 21.65, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3 , 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 3, "SRIC", -21.65, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 4, "SRIC", -64.95, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, 36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 5, "SRIC", 64.95, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 6, "SRIC", 21.65, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 7, "SRIC", -21.65, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("FOOT", 8, "SRIC", -64.95, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .4 - .3, -36.9, 0, "ONLY");
+ gMC->Gspos("OQUA", 1, "SRIC", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()- .2, 0., 0, "ONLY");
+// Methane supports
+ gMC->Gspos("SMLG", 1, "SRIC", pcX/2 + (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+ gMC->Gspos("SMLG", 2, "SRIC", - pcX/2 - (66.3 - pcX/2)/2, 1.276 + .25, 0., 0, "ONLY");
+ gMC->Gspos("SMSH", 1, "SRIC", 0., 1.276 + .25, pcY/2 + (68.35 - pcY/2)/2, 0, "ONLY");
+ gMC->Gspos("SMSH", 2, "SRIC", 0., 1.276 + .25, - pcY/2 - (68.35 - pcY/2)/2, 0, "ONLY");
+//Freon supports
+ Float_t supp_y = 1.276 - Param()->GapThickness()/2- Param()->QuartzThickness() -Param()->FreonThickness() - .2 + .3; //y position of freon supports
+ gMC->Gspos("SFLG", 1, "SRIC", Param()->QuartzWidth()/2 + (66.3 - Param()->QuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
+ gMC->Gspos("SFLG", 2, "SRIC", - Param()->QuartzWidth()/2 - (66.3 - Param()->QuartzWidth()/2)/2, supp_y, 0., 0, "ONLY");
+ gMC->Gspos("SFSH", 1, "SRIC", 0., supp_y, Param()->QuartzLength()/2 + (68.35 - Param()->QuartzLength()/2)/2, 0, "ONLY");
+ gMC->Gspos("SFSH", 2, "SRIC", 0., supp_y, - Param()->QuartzLength()/2 - (68.35 - Param()->QuartzLength()/2)/2, 0, "ONLY");
+ AliMatrix(idrotm[1019], 0., 0., 90., 0., 90., 90.);
+//Place spacers
+ Int_t nspacers = 30;
+ for (i = 0; i < nspacers/3; i++) {
+ zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE1", 10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ for (i = nspacers/3; i < (nspacers*2)/3; i++) {
+ zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE1", 0, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ for (i = (nspacers*2)/3; i < nspacers; ++i) {
+ zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE1", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ for (i = 0; i < nspacers/3; i++) {
+ zs = -11.6/2 + (TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE2", 10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ for (i = nspacers/3; i < (nspacers*2)/3; i++) {
+ zs = -11.6/2 + (nspacers/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE2", 0, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ for (i = (nspacers*2)/3; i < nspacers; ++i) {
+ zs = -11.6/2 + ((nspacers*2)/3 + TMath::Abs(nspacers/6) - i) * 12.2;
+ gMC->Gspos("SPAC", i, "FRE2", -10.5, 0., zs, idrotm[1019], "ONLY"); //Original settings
+ }
+ gMC->Gspos("FRE1", 1, "OQF1", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("FRE2", 1, "OQF2", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("OQF1", 1, "SRIC", Param()->OuterFreonWidth()/2 + Param()->InnerFreonWidth()/2 + 2, 1.276 - Param()->GapThickness()/2- Param()->QuartzThickness() -Param()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (31.3)
+ gMC->Gspos("OQF2", 2, "SRIC", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings
+ gMC->Gspos("OQF1", 3, "SRIC", - (Param()->OuterFreonWidth()/2 + Param()->InnerFreonWidth()/2) - 2, 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness() - Param()->FreonThickness()/2, 0., 0, "ONLY"); //Original settings (-31.3)
+ gMC->Gspos("QUAR", 1, "SRIC", 0., 1.276 - Param()->GapThickness()/2 - Param()->QuartzThickness()/2, 0., 0, "ONLY");
+ gMC->Gspos("GAP ", 1, "META", 0., Param()->GapThickness()/2 - Param()->ProximityGapThickness()/2 - 0.0001, 0., 0, "ONLY");
+ gMC->Gspos("META", 1, "SRIC", 0., 1.276, 0., 0, "ONLY");
+ gMC->Gspos("CSI ", 1, "SRIC", 0., 1.276 + Param()->GapThickness()/2 + .25, 0., 0, "ONLY");
+//Wire support placing
+ gMC->Gspos("WSG2", 1, "GAP ", 0., Param()->ProximityGapThickness()/2 - .1, 0., 0, "ONLY");
+ gMC->Gspos("WSG1", 1, "CSI ", 0., 0., 0., 0, "ONLY");
+ gMC->Gspos("WSMe", 1, "SRIC ", 0., 1.276 + Param()->GapThickness()/2 + .5 + 1.05, 0., 0, "ONLY");
+//Backplane placing
+ gMC->Gspos("BACK", 1, "SRIC ", -33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2, 43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 2, "SRIC ", 33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2 , 43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 3, "SRIC ", -33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+ gMC->Gspos("BACK", 4, "SRIC ", 33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2, 0., 0, "ONLY");
+ gMC->Gspos("BACK", 5, "SRIC ", 33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+ gMC->Gspos("BACK", 6, "SRIC ", -33.15, 1.276 + Param()->GapThickness()/2 + .5 + 2.1 + 2, -43.3, 0, "ONLY");
+//PCB placing
+ gMC->Gspos("PCB ", 1, "SRIC ", 0., 1.276 + Param()->GapThickness()/2 + .5 + 1.05, pcX/4 + .5025 + 2.5, 0, "ONLY");
+ gMC->Gspos("PCB ", 2, "SRIC ", 0., 1.276 + Param()->GapThickness()/2 + .5 + 1.05, -pcX/4 - .5025 - 2.5, 0, "ONLY");
+
+//place chambers into mother volume ALIC
+ CreateChambers();
+ for(int i=1;i<=kNCH;i++){
+ AliMatrix(idrotm[1000+i],C(i)->ThetaXd(),C(i)->PhiXd(),
+ C(i)->ThetaYd(),C(i)->PhiYd(),
+ C(i)->ThetaZd(),C(i)->PhiZd());
+ gMC->Gspos("RICH",i,"ALIC",C(i)->X(),C(i)->Y(),C(i)->Z(),idrotm[1000+i], "ONLY");
+ }
+
+ if(GetDebug())Info("CreateGeometry","Stop.");
+}//void AliRICH::CreateGeometry()
+//__________________________________________________________________________________________________
+void AliRICH::CreateChambers()
+{//create all RICH Chambers on each call. Previous chambers deleted
+ if(fChambers) delete fChambers;
+ if(GetDebug())Info("CreateChambers","Creating RICH chambers.");
+ fChambers=new TObjArray(kNCH);
+ fChambers->SetOwner();
+ for(int i=0;i<kNCH;i++) fChambers->AddAt(new AliRICHChamber(i+1,Param()),i);
+}//void AliRICH::CreateChambers()
+//__________________________________________________________________________________________________
+void AliRICH::GenerateFeedbacks(Int_t iChamber,Float_t eloss)
+{// Generate FeedBack photons
+ Int_t j;
+ Float_t cthf, phif, enfp = 0, sthf;
+ Float_t e1[3], e2[3], e3[3];
+ Float_t vmod, uswop;
+ Float_t dir[3], phi;
+ Float_t pol[3], mom[4];
+//Determine number of feedback photons
+ TLorentzVector x4;
+ gMC->TrackPosition(x4);
+ Float_t charge=Param()->TotalCharge(gMC->TrackPid(),eloss,C(iChamber)->G2Ly(x4));//Total Charge
+ Int_t iNphotons=gMC->GetRandom()->Poisson(Param()->AlphaFeedback()*charge);
+ Info("GenerateFeedbacks","N photons=%i",iNphotons);
+//Generate photons
+ for(Int_t i=0;i<iNphotons;i++){
+ Double_t ranf[2];
+ gMC->GetRandom()->RndmArray(2,ranf); //Sample direction
+ cthf=ranf[0]*2-1.0;
+ if(cthf<0) continue;
+ sthf = TMath::Sqrt((1 - cthf) * (1 + cthf));
+ phif = ranf[1] * 2 * TMath::Pi();
+
+ if(Double_t randomNumber=gMC->GetRandom()->Rndm()<=0.57)
+ enfp = 7.5e-9;
+ else if(randomNumber<=0.7)
+ enfp = 6.4e-9;
+ else
+ enfp = 7.9e-9;
+
+
+ dir[0] = sthf * TMath::Sin(phif); dir[1] = cthf; dir[2] = sthf * TMath::Cos(phif);
+ gMC->Gdtom(dir, mom, 2);
+ mom[0]*=enfp; mom[1]*=enfp; mom[2]*=enfp;
+ mom[3] = TMath::Sqrt(mom[0]*mom[0]+mom[1]*mom[1]+mom[2]*mom[2]);
+
+ // Polarisation
+ e1[0]= 0; e1[1]=-dir[2]; e1[2]= dir[1];
+ e2[0]=-dir[1]; e2[1]= dir[0]; e2[2]= 0;
+ e3[0]= dir[1]; e3[1]= 0; e3[2]=-dir[0];
+
+ vmod=0;
+ for(j=0;j<3;j++) vmod+=e1[j]*e1[j];
+ if (!vmod) for(j=0;j<3;j++) {
+ uswop=e1[j];
+ e1[j]=e3[j];
+ e3[j]=uswop;
}
- fDigits->AddAt(Digit,fNdigit);
- fNdigit++;
-}
-
-
-AliRICHRecCluster::~AliRICHRecCluster()
-{
- if (fDigits)
- delete fDigits;
-}
-
-Int_t AliRICHRecCluster::FirstDigitIndex()
-{
- fCurrentDigit=0;
- return fDigits->At(fCurrentDigit);
-}
-
-Int_t AliRICHRecCluster::NextDigitIndex()
-{
- fCurrentDigit++;
- if (fCurrentDigit<fNdigit)
- return fDigits->At(fCurrentDigit);
- else
- return InvalidDigitIndex();
-}
-
-Int_t AliRICHRecCluster::NDigits()
-{
- return fNdigit;
-}
-
-void AliRICHRecCluster::Finish()
-{
- // In order to reconstruct coordinates, one has to
- // get back to the digits which is not trivial here,
- // because we don't know where digits are stored!
- // Center Of Gravity, or other method should be
- // a property of AliRICH class!
-}
-
-
-
-void AliRICH::Digitise(Int_t nev,Option_t *option,Text_t *filename)
-{
- // keep galice.root for signal and name differently the file for
- // background when add! otherwise the track info for signal will be lost !
-
- static Bool_t first=kTRUE;
- static TTree *TH1;
- static TFile *File;
- Int_t i;
- char *Add = strstr(option,"Add");
-
- AliRICHchamber* iChamber;
- AliRICHsegmentation* segmentation;
-
-
- Int_t trk[50];
- Int_t chtrk[50];
- TObjArray *list=new TObjArray;
- Int_t digits[3];
-
- AliRICH *RICH = (AliRICH *) gAlice->GetDetector("RICH");
- AliRICHHitMap* HitMap[10];
- for (i=0; i<10; i++) {HitMap[i]=0;}
- if (Add ) {
- if(first) {
- fFileName=filename;
- cout<<"filename"<<fFileName<<endl;
- File=new TFile(fFileName);
- cout<<"I have opened "<<fFileName<<" file "<<endl;
- fHits2 = new TClonesArray("AliRICHhit",1000 );
- fClusters2 = new TClonesArray("AliRICHcluster",10000);
- first=kFALSE;
- }
- File->cd();
- File->ls();
- // Get Hits Tree header from file
- if(fHits2) fHits2->Clear();
- if(fClusters2) fClusters2->Clear();
- if(TH1) delete TH1;
- TH1=0;
- //
- char treeName[20];
- sprintf(treeName,"TreeH%d",nev);
- TH1 = (TTree*)gDirectory->Get(treeName);
- if (!TH1) {
- printf("ERROR: cannot find Hits Tree for event:%d\n",nev);
- }
- // Set branch addresses
- TBranch *branch;
- char branchname[20];
- sprintf(branchname,"%s",GetName());
- if (TH1 && fHits2) {
- branch = TH1->GetBranch(branchname);
- if (branch) branch->SetAddress(&fHits2);
- }
- if (TH1 && fClusters2) {
- branch = TH1->GetBranch("RICHCluster");
- if (branch) branch->SetAddress(&fClusters2);
- }
+ vmod=0;
+ for(j=0;j<3;j++) vmod+=e2[j]*e2[j];
+ if (!vmod) for(j=0;j<3;j++) {
+ uswop=e2[j];
+ e2[j]=e3[j];
+ e3[j]=uswop;
}
- //
- // loop over cathodes
- //
- AliRICHHitMap* hm;
- for (int icat=0; icat<1; icat++) {
- for (i=0; i<7; i++) {
- if (HitMap[i]) {
- hm=HitMap[i];
- delete hm;
- HitMap[i]=0;
- }
- }
- Int_t counter=0;
- for (i =0; i<7; i++) {
- iChamber=(AliRICHchamber*) (*fChambers)[i];
- if (iChamber->Nsec()==1 && icat==1) {
- continue;
- } else {
- segmentation=iChamber->GetSegmentationModel(icat+1);
- }
- HitMap[i] = new AliRICHHitMapA1(segmentation, list);
- }
- printf("Start loop over tracks \n");
-//
-// Loop over tracks
-//
-
- TTree *TH = gAlice->TreeH();
- Int_t ntracks =(Int_t) TH->GetEntries();
- for (Int_t track=0; track<ntracks; track++) {
- gAlice->ResetHits();
- TH->GetEvent(track);
-//
-// Loop over hits
- for(AliRICHhit* mHit=(AliRICHhit*)RICH->FirstHit(-1);
- mHit;
- mHit=(AliRICHhit*)RICH->NextHit())
- {
- Int_t nch = mHit->fChamber-1; // chamber number
- if (nch >7) continue;
- iChamber = &(RICH->Chamber(nch));
-
-//
-// Loop over pad hits
- for (AliRICHcluster* mPad=
- (AliRICHcluster*)RICH->FirstPad(mHit,fClusters);
- mPad;
- mPad=(AliRICHcluster*)RICH->NextPad(fClusters))
- {
- Int_t cathode = mPad->fCathode; // cathode number
- Int_t ipx = mPad->fPadX; // pad number on X
- Int_t ipy = mPad->fPadY; // pad number on Y
- Int_t iqpad = mPad->fQpad; // charge per pad
-//
-//
-
- if (cathode != (icat+1)) continue;
- // fill the info array
- Float_t thex, they;
- segmentation=iChamber->GetSegmentationModel(cathode);
- segmentation->GetPadCxy(ipx,ipy,thex,they);
- TVector *trinfo_p= new TVector(2);
- TVector &trinfo = *trinfo_p;
- trinfo(0)=(Float_t)track;
- trinfo(1)=(Float_t)iqpad;
-
- digits[0]=ipx;
- digits[1]=ipy;
- digits[2]=iqpad;
-
- AliRICHlist* pdigit;
- // build the list of fired pads and update the info
- if (!HitMap[nch]->TestHit(ipx, ipy)) {
- list->AddAtAndExpand(
- new AliRICHlist(nch,digits),counter);
- HitMap[nch]->SetHit(ipx, ipy, counter);
- counter++;
- pdigit=(AliRICHlist*)list->At(list->GetLast());
- // list of tracks
- TObjArray *trlist=(TObjArray*)pdigit->TrackList();
- trlist->Add(&trinfo);
- } else {
- pdigit=(AliRICHlist*) HitMap[nch]->GetHit(ipx, ipy);
- // update charge
- (*pdigit).fSignal+=iqpad;
- // update list of tracks
- TObjArray* trlist=(TObjArray*)pdigit->TrackList();
- Int_t last_entry=trlist->GetLast();
- TVector *ptrk_p=(TVector*)trlist->At(last_entry);
- TVector &ptrk=*ptrk_p;
- Int_t last_track=Int_t(ptrk(0));
- Int_t last_charge=Int_t(ptrk(1));
- if (last_track==track) {
- last_charge+=iqpad;
- trlist->RemoveAt(last_entry);
- trinfo(0)=last_track;
- trinfo(1)=last_charge;
- trlist->AddAt(&trinfo,last_entry);
- } else {
- trlist->Add(&trinfo);
- }
- // check the track list
- Int_t nptracks=trlist->GetEntriesFast();
- if (nptracks > 2) {
- printf("Attention - nptracks > 2 %d \n",nptracks);
- printf("cat,nch,ix,iy %d %d %d %d \n",icat+1,nch,ipx,ipy);
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pptrk_p=(TVector*)trlist->At(tr);
- TVector &pptrk=*pptrk_p;
- trk[tr]=Int_t(pptrk(0));
- chtrk[tr]=Int_t(pptrk(1));
- }
- } // end if nptracks
- } // end if pdigit
- } //end loop over clusters
- } // hit loop
- } // track loop
-
- Int_t nentr1=list->GetEntriesFast();
- printf(" \n counter, nentr1 %d %d\n",counter,nentr1);
-
- // open the file with background
-
- if (Add ) {
- ntracks =(Int_t)TH1->GetEntries();
- printf("background - icat,ntracks1 %d %d\n",icat,ntracks);
- printf("background - Start loop over tracks \n");
-//
-// Loop over tracks
-//
- for (Int_t trak=0; trak<ntracks; trak++) {
-
- if (fHits2) fHits2->Clear();
- if (fClusters2) fClusters2->Clear();
-
- TH1->GetEvent(trak);
-//
-// Loop over hits
- AliRICHhit* mHit;
- for(int j=0;j<fHits2->GetEntriesFast();++j)
- {
- mHit=(AliRICHhit*) (*fHits2)[j];
- Int_t nch = mHit->fChamber-1; // chamber number
- if (nch >9) continue;
- iChamber = &(RICH->Chamber(nch));
- Int_t rmin = (Int_t)iChamber->RInner();
- Int_t rmax = (Int_t)iChamber->ROuter();
-//
-// Loop over pad hits
- for (AliRICHcluster* mPad=
- (AliRICHcluster*)RICH->FirstPad(mHit,fClusters2);
- mPad;
- mPad=(AliRICHcluster*)RICH->NextPad(fClusters2))
- {
- Int_t cathode = mPad->fCathode; // cathode number
- Int_t ipx = mPad->fPadX; // pad number on X
- Int_t ipy = mPad->fPadY; // pad number on Y
- Int_t iqpad = mPad->fQpad; // charge per pad
- if (trak==3 && nch==0 && icat==0) printf("bgr - trak,iqpad,ipx,ipy %d %d %d %d\n",trak,iqpad,ipx,ipy);
-//
-//
- if (cathode != (icat+1)) continue;
- // fill the info array
- Float_t thex, they;
- segmentation=iChamber->GetSegmentationModel(cathode);
- segmentation->GetPadCxy(ipx,ipy,thex,they);
- Float_t rpad=TMath::Sqrt(thex*thex+they*they);
- if (rpad < rmin || iqpad ==0 || rpad > rmax) continue;
-
- TVector *trinfo_p;
- trinfo_p = new TVector(2);
- TVector &trinfo = *trinfo_p;
- trinfo(0)=-1; // tag background
- trinfo(1)=-1;
-
- digits[0]=ipx;
- digits[1]=ipy;
- digits[2]=iqpad;
-
-
- if (trak <4 && icat==0 && nch==0)
- printf("bgr - HitMap[nch]->TestHit(ipx, ipy),trak %d %d\n",
- HitMap[nch]->TestHit(ipx, ipy),trak);
- AliRICHlist* pdigit;
- // build the list of fired pads and update the info
- if (!HitMap[nch]->TestHit(ipx, ipy)) {
- list->AddAtAndExpand(new AliRICHlist(nch,digits),counter);
-
- HitMap[nch]->SetHit(ipx, ipy, counter);
- counter++;
- printf("bgr new elem in list - counter %d\n",counter);
-
- pdigit=(AliRICHlist*)list->At(list->GetLast());
- // list of tracks
- TObjArray *trlist=(TObjArray*)pdigit->TrackList();
- trlist->Add(&trinfo);
- } else {
- pdigit=(AliRICHlist*) HitMap[nch]->GetHit(ipx, ipy);
- // update charge
- (*pdigit).fSignal+=iqpad;
- // update list of tracks
- TObjArray* trlist=(TObjArray*)pdigit->TrackList();
- Int_t last_entry=trlist->GetLast();
- TVector *ptrk_p=(TVector*)trlist->At(last_entry);
- TVector &ptrk=*ptrk_p;
- Int_t last_track=Int_t(ptrk(0));
- if (last_track==-1) {
- continue;
- } else {
- trlist->Add(&trinfo);
- }
- // check the track list
- Int_t nptracks=trlist->GetEntriesFast();
- if (nptracks > 0) {
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pptrk_p=(TVector*)trlist->At(tr);
- TVector &pptrk=*pptrk_p;
- trk[tr]=Int_t(pptrk(0));
- chtrk[tr]=Int_t(pptrk(1));
- }
- } // end if nptracks
- } // end if pdigit
- } //end loop over clusters
- } // hit loop
- } // track loop
- Int_t nentr2=list->GetEntriesFast();
- printf(" \n counter2, nentr2 %d %d \n",counter,nentr2);
- TTree *fAli=gAlice->TreeK();
- if (fAli) File =fAli->GetCurrentFile();
- File->cd();
- } // if Add
-
- Int_t tracks[10];
- Int_t charges[10];
- cout<<"start filling digits \n "<<endl;
- Int_t nentries=list->GetEntriesFast();
- printf(" \n \n nentries %d \n",nentries);
-
- // start filling the digits
-
- for (Int_t nent=0;nent<nentries;nent++) {
- AliRICHlist *address=(AliRICHlist*)list->At(nent);
- if (address==0) continue;
- Int_t ich=address->fChamber;
- Int_t q=address->fSignal;
- iChamber=(AliRICHchamber*) (*fChambers)[ich];
- // add white noise and do zero-suppression and signal truncation
- Float_t MeanNoise = gRandom->Gaus(1, 0.2);
- Float_t ZeroSupp=5*MeanNoise;
- Float_t Noise = gRandom->Gaus(0, MeanNoise);
- q+=(Int_t)Noise;
- if ( q <= ZeroSupp) continue;
- digits[0]=address->fPadX;
- digits[1]=address->fPadY;
- digits[2]=q;
-
- TObjArray* trlist=(TObjArray*)address->TrackList();
- Int_t nptracks=trlist->GetEntriesFast();
-
- // this was changed to accomodate the real number of tracks
- if (nptracks > 10) {
- cout<<"Attention - nptracks > 10 "<<nptracks<<endl;
- nptracks=10;
- }
- if (nptracks > 2) {
- printf("Attention - nptracks > 2 %d \n",nptracks);
- printf("cat,ich,ix,iy,q %d %d %d %d %d \n",icat,ich,digits[0],digits[1],q);
- }
- for (Int_t tr=0;tr<nptracks;tr++) {
- TVector *pp_p=(TVector*)trlist->At(tr);
- TVector &pp =*pp_p;
- tracks[tr]=Int_t(pp(0));
- charges[tr]=Int_t(pp(1));
- } //end loop over list of tracks for one pad
- if (nptracks < 10 ) {
- for (Int_t t=nptracks; t<10; t++) {
- tracks[t]=0;
- charges[t]=0;
- }
- }
- // fill digits
- RICH->AddDigits(ich,tracks,charges,digits);
-
- delete address;
- }
- cout<<"I'm out of the loops for digitisation"<<endl;
- gAlice->TreeD()->Fill();
- TTree *TD=gAlice->TreeD();
- Stat_t ndig=TD->GetEntries();
- cout<<"number of digits "<<ndig<<endl;
- TClonesArray *fDch;
- for (int k=0;k<7;k++) {
- fDch= RICH->DigitsAddress(k);
- int ndigit=fDch->GetEntriesFast();
- printf (" k, ndigits %d %d \n",k,ndigit);
- }
- RICH->ResetDigits();
-
- list->Clear();
-
- } //end loop over cathodes
- char hname[30];
- sprintf(hname,"TreeD%d",nev);
- gAlice->TreeD()->Write(hname);
-}
-
-
-
-
-
-
-
-
-
+ 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;
+
+ 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;
+
+ phi = gMC->GetRandom()->Rndm()* 2 * TMath::Pi();
+ for(j=0;j<3;j++) pol[j]=e1[j]*TMath::Sin(phi)+e2[j]*TMath::Cos(phi);
+ gMC->Gdtom(pol, pol, 2);
+ Int_t outputNtracksStored;
+ gAlice->PushTrack(1, //do not transport
+ gAlice->GetCurrentTrackNumber(),//parent track
+ kFeedback, //PID
+ mom[0],mom[1],mom[2],mom[3], //track momentum
+ x4.X(),x4.Y(),x4.Z(),x4.T(), //track origin
+ pol[0],pol[1],pol[2], //polarization
+ kPFeedBackPhoton,outputNtracksStored,1.0);
+
+ }
+}//Int_t AliRICH::FeedBackPhotons()
+//__________________________________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff