* provided "as is" without express or implied warranty. *
**************************************************************************/
-
-#include <Riostream.h>
-
-#include <TTree.h>
-#include <TObjArray.h>
-#include <TFile.h>
-#include <TDirectory.h>
-#include <TParticle.h>
-
-#include <AliRunLoader.h>
-#include <AliLoader.h>
-
#include "AliRICHDigitizer.h"
#include "AliRICH.h"
+#include "AliRICHDigit.h"
+#include <AliRun.h>
+#include <AliRunLoader.h>
#include "AliRunDigitizer.h"
+#include <AliLoader.h>
+#include <AliLog.h>
+
ClassImp(AliRICHDigitizer)
-//__________________________________________________________________________________________________
-Bool_t AliRICHDigitizer::Init()
-{
-//This methode is called from AliRunDigitizer after the corresponding file is open
- if(GetDebug())Info("Init","Start.");
- AliRunLoader *pOutAL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
- if (!pOutAL->GetAliRun()) pOutAL->LoadgAlice();
- fRich=(AliRICH*)pOutAL->GetAliRun()->GetDetector("RICH");//retrive RICH pointer from OUTPUT stream
- return kTRUE;
-}//Init()
-//__________________________________________________________________________________________________
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
void AliRICHDigitizer::Exec(Option_t*)
{
-//this method invoked
- if(GetDebug())Info("Exec","Start with %i input(s) for event %i",fManager->GetNinputs(),fManager->GetOutputEventNr());
-
- AliRunLoader *pInAL=0, *pOutAL;//in and out Run loaders
- AliLoader *pInRL=0, *pOutRL;//in and out RICH loaders
-
- pOutAL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
- pOutRL = pOutAL->GetLoader("RICHLoader");
- pOutRL->MakeTree("D"); R()->MakeBranch("D"); //create TreeD with RICH branches in output stream
-
- TClonesArray tmpCA("AliRICHdigit");//tmp storage for sdigits sum up from all input files
+// This methode is responsible for merging sdigits to a list of digits
+//Disintegration leeds to the fact that one hit affects several neighbouring pads, which means that the same pad might be affected by few hits.
+ AliDebug(1,Form("Start with %i input(s) for event %i",fManager->GetNinputs(),fManager->GetOutputEventNr()));
+//First we read all sdigits from all inputs
+ AliRunLoader *pInRunLoader=0;//in and out Run loaders
+ AliLoader *pInRichLoader=0;//in and out RICH loaders
+ TClonesArray sdigs("AliRICHDigit");//tmp storage for sdigits sum up from all input files
Int_t total=0;
for(Int_t inFileN=0;inFileN<fManager->GetNinputs();inFileN++){//files loop
- pInAL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inFileN));//get run loader from current input
- pInRL = pInAL->GetLoader("RICHLoader"); if(pInRL==0) continue;//no RICH in this input, check the next input
- if (!pInAL->GetAliRun()) pInAL->LoadgAlice();
- AliRICH* rich=(AliRICH*)pInAL->GetAliRun()->GetDetector("RICH");
- pInRL->LoadSDigits(); pInRL->TreeS()->GetEntry(0);
- if(GetDebug())Info("Exec","input %i has %i sdigits",inFileN,rich->SDigits()->GetEntries());
- for(Int_t i=0;i<rich->SDigits()->GetEntries();i++){//collect sdigits from current input to tmpCA
- new(tmpCA[total++]) AliRICHdigit(*(AliRICHdigit*)rich->SDigits()->At(i));
- ((AliRICHdigit*)tmpCA[total-1])->AddTidOffset(fManager->GetMask(inFileN));
+ pInRunLoader = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inFileN)); //get run loader from current input
+ pInRichLoader = pInRunLoader->GetLoader("RICHLoader"); if(pInRichLoader==0) continue; //no RICH in this input, check the next input
+ if (!pInRunLoader->GetAliRun()) pInRunLoader->LoadgAlice();
+ AliRICH* pInRich=(AliRICH*)pInRunLoader->GetAliRun()->GetDetector("RICH"); //take RICH from current input
+ pInRichLoader->LoadSDigits(); pInRichLoader->TreeS()->GetEntry(0); //take list of RICH sdigits from current input
+ AliDebug(1,Form("input %i has %i sdigits",inFileN,pInRich->SdiLst()->GetEntries()));
+ for(Int_t i=0;i<pInRich->SdiLst()->GetEntries();i++){ //collect sdigits from current input
+ AliRICHDigit *pSDig=(AliRICHDigit*)pInRich->SdiLst()->At(i);
+ pSDig->AddTidOffset(fManager->GetMask(inFileN)); //apply TID shift since all inputs count tracks independently starting from 0
+ new(sdigs[total++]) AliRICHDigit(*pSDig);
}
- pInRL->UnloadSDigits(); rich->ResetSDigits();
+ pInRichLoader->UnloadSDigits(); pInRich->SdiReset(); //close current input and reset
}//files loop
+
+ //PH if(sdigs.GetEntries()==0) return; //no sdigits collected, nothing to convert
- tmpCA.Sort(); //sort them according to Id() method
-
- if(GetDebug()) {tmpCA.Print();Info("Exec","Totally %i sdigits in %i inputs",tmpCA.GetEntries(),fManager->GetNinputs());}
- Int_t cfm=0,chamber=0,id=0; //cfm is cerenkov feedback mip mixture
- TVector pad(2); pad[0]=0;pad[1]=0;
- Double_t q=0;
- Int_t tid[3]={0,0,0};
- Int_t iNdigitsPerPad=0;//how many sdigits for a given pad
- for(Int_t i=0;i<tmpCA.GetEntries();i++){//sdigits loop (sorted)
- AliRICHdigit *pSdig=(AliRICHdigit*)tmpCA.At(i);//get new sdigit
- if(pSdig->Id()==id){//still the same pad
- iNdigitsPerPad++; q+=pSdig->Q(); cfm+=pSdig->ChFbMi();//sum up charge and cfm
- if(pSdig->ChFbMi()==1) tid[0] = pSdig->GetTrack(0); // force the first tid to be mip's tid if it exists in the current pad
- if(iNdigitsPerPad<=3) tid[iNdigitsPerPad-1]=pSdig->GetTrack(0);
- else if(GetDebug())Warning("Exec","More then 3 sdigits for the given pad");
- }else{//new pad, add the pevious one
- if(id!=kBad&&R()->P()->IsOverTh(chamber,pad,q)) R()->AddDigit(chamber,pad,(Int_t)q,cfm,tid); //add newly created dig
- cfm=pSdig->ChFbMi(); chamber=pSdig->C(); id=pSdig->Id(); pad=pSdig->Pad(); q=pSdig->Q(); //init all values by current sdig
- iNdigitsPerPad=1; tid[0]=pSdig->GetTrack(0); tid[1]=tid[2]=kBad;
- }
- }//sdigits loop (sorted)
- if(tmpCA.GetEntries()&&R()->P()->IsOverTh(chamber,pad,q)) R()->AddDigit(chamber,pad,(Int_t)q,cfm,tid);//add the last dig
+ AliRunLoader *pOutRunLoader = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); //open output stream (only 1 possible)
+ AliLoader *pOutRichLoader = pOutRunLoader->GetLoader("RICHLoader"); //take output RICH loader
+ AliRICH *pOutRich = (AliRICH*)pOutRunLoader->GetAliRun()->GetDetector("RICH"); //take output RICH
+ pOutRichLoader->MakeTree("D"); pOutRich->MakeBranch("D"); //create TreeD in output stream
+
+ Sdi2Dig(&sdigs,pOutRich->DigLst());
- pOutRL->TreeD()->Fill(); //fill the tree with the list of digits
- pOutRL->WriteDigits("OVERWRITE"); //serialize them to file
+ pOutRichLoader->TreeD()->Fill(); //fill the output tree with the list of digits
+ pOutRichLoader->WriteDigits("OVERWRITE"); //serialize them to file
- tmpCA.Clear();
- pOutRL->UnloadDigits(); R()->ResetDigits();
-
- if(GetDebug())Info("Exec","Stop.");
+ sdigs.Clear(); //remove all tmp sdigits
+ pOutRichLoader->UnloadDigits(); pOutRich->DigReset();
}//Exec()
-//__________________________________________________________________________________________________
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliRICHDigitizer::Sdi2Dig(TClonesArray *pSdiLst,TObjArray *pDigLst)
+{
+// Converts list of sdigits to 7 lists of digits, one per each chamber
+// Arguments: pSDigLst - list of all sdigits
+// pDigLst - list of 7 lists of digits
+// Returns: none
+
+ TClonesArray *pLst[7]; Int_t iCnt[7];
+
+ for(Int_t i=0;i<7;i++){
+ pLst[i]=(TClonesArray*)(*pDigLst)[i];
+ iCnt[i]=pLst[i]->GetEntries(); //in principle those lists should be empty
+ }
+
+ pSdiLst->Sort();
+
+ Int_t iPad=-1,iCh=-1,iNdigPad=-1,aTids[3]={-1,-1,-1}; Float_t q=-1;
+ for(Int_t i=0;i<pSdiLst->GetEntries();i++){ //sdigits loop (sorted)
+ AliRICHDigit *pSdig=(AliRICHDigit*)pSdiLst->At(i); //take current sdigit
+ if(pSdig->Pad()==iPad){ //if the same pad
+ q+=pSdig->Q(); //sum up charge
+ iNdigPad++; if(iNdigPad<=3) aTids[iNdigPad-1]=pSdig->GetTrack(0); //collect TID
+ continue;
+ }
+ if(i!=0 && AliRICHDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliRICHDigit(iPad,(Int_t)q,aTids); //do not create digit for the very first sdigit
+ iPad=pSdig->Pad(); iCh=AliRICHDigit::A2C(iPad); //new sdigit comes, reset collectors
+ iNdigPad=1;
+ aTids[0]=pSdig->GetTrack(0);aTids[1]=aTids[2]=-1;
+ q=pSdig->Q();
+ }//sdigits loop (sorted)
+
+ if(AliRICHDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliRICHDigit(iPad,(Int_t)q,aTids); //add the last one, in case of empty sdigits list q=-1
+ //so digit is not created
+}//Sdi2Dig()
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff