* 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 "AliRun.h"
-#include "AliPDG.h"
+#include <AliRun.h>
+#include <AliRunLoader.h>
#include "AliRunDigitizer.h"
+#include <AliLoader.h>
+#include <AliLog.h>
+
ClassImp(AliRICHDigitizer)
-//__________________________________________________________________________________________________
-AliRICHDigitizer::AliRICHDigitizer()
-{//default constructor
-}//default ctor
-//__________________________________________________________________________________________________
-AliRICHDigitizer::AliRICHDigitizer(AliRunDigitizer *pManager)
- :AliDigitizer(pManager)
-{
-//main ctor which should be used
- if(GetDebug())Info("main ctor","Start.");
- fRich=(AliRICH*)gAlice->GetDetector("RICH");
-}//main ctor
-//__________________________________________________________________________________________________
-AliRICHDigitizer::~AliRICHDigitizer()
-{
-//dtor
- if(GetDebug())Info("dtor","Start.");
-}//dtor
//__________________________________________________________________________________________________
void AliRICHDigitizer::Exec(Option_t*)
{
- if(GetDebug())Info("Exec","Start with %i input(s) and %i",fManager->GetNinputs(),fManager->GetOutputEventNr());
+//This methode is responsible for merging sdigits to a list of digits
+//Disintegration leeds to the fact that one hit affected 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 tmpCA("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
+ 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->SDigits()->GetEntries()));
+ for(Int_t i=0;i<pInRich->SDigits()->GetEntries();i++){//collect sdigits from current input to tmpCA
+ new(tmpCA[total++]) AliRICHDigit(*(AliRICHDigit*)pInRich->SDigits()->At(i));
+ ((AliRICHDigit*)tmpCA[total-1])->AddTidOffset(fManager->GetMask(inFileN));//apply TID shift since all inputs count tracks independently starting from 0
+ }
+ pInRichLoader->UnloadSDigits(); pInRich->SDigitsReset(); //close current input and reset
+ }//files loop
- AliRunLoader *pInAL, *pOutAL;//in and out Run loaders
- AliLoader *pInRL, *pOutRL;//in and out RICH loaders
-
- pOutAL = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName());
- pOutRL = pOutAL->GetLoader("RICHLoader");
-
+ tmpCA.Sort(); //at this point we have a list of all sdigits from all inputs, now sort them according to fPad field
-
- AliRICH *pRICH = (AliRICH *) gAlice->GetDetector("RICH");
+ 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
- if(!pOutRL->TreeD()) pOutRL->MakeTree("D"); pRICH->MakeBranch("D");
+ TVector pad(2); pad[0]=0; pad[1]=0; Int_t iChamber=0,iCfm=0,aTids[3]={0,0,0},iId=-1; Double_t dQdc=0;//current pad info
+ Int_t iNdigsPerPad=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->PadAbs()==iId){//still the same pad
+ iNdigsPerPad++; dQdc+=pSdig->Qdc(); iCfm+=pSdig->Cfm();//sum up charge and cfm
+ if(pSdig->Cfm()==1) aTids[0] = pSdig->GetTrack(0); // force the first tid to be mip's tid if it exists in the current pad
+ if(iNdigsPerPad<=3) aTids[iNdigsPerPad-1]=pSdig->GetTrack(0);
+ else AliDebug(1,Form("More then 3 sdigits in (%d,%d,%f,%f) with Q= %f",pSdig->Chamber(),pSdig->Sector(),pSdig->Pad()(0),pSdig->Pad()(1),pSdig->Qdc()));
+ }else{//new pad, add the pevious one
+ if(iId!=-1 && AliRICHParam::IsOverTh(iChamber,pad,dQdc)) pOutRich->DigitAdd(iChamber,pad,(Int_t)dQdc,iCfm,aTids); //add newly created dig
+ iChamber=pSdig->Chamber(); pad=pSdig->Pad(); iCfm=pSdig->Cfm(); dQdc=pSdig->Qdc(); iId=pSdig->PadAbs(); //init all values by current sdig
+ iNdigsPerPad=1; aTids[0]=pSdig->GetTrack(0); aTids[1]=aTids[2]=-1;
+ }
+ }//sdigits loop (sorted)
+ if(tmpCA.GetEntries() && AliRICHParam::IsOverTh(iChamber,pad,dQdc)) pOutRich->DigitAdd(iChamber,pad,(Int_t)dQdc,iCfm,aTids);//add the last dig
+ pOutRichLoader->TreeD()->Fill(); //fill the output tree with the list of digits
+ pOutRichLoader->WriteDigits("OVERWRITE"); //serialize them to file
- for(Int_t inputFile=0;inputFile<fManager->GetNinputs();inputFile++){//files loop
- pInAL = AliRunLoader::GetRunLoader(fManager->GetInputFolderName(inputFile));
- pInRL = pInAL->GetLoader("RICHLoader");
- pInRL->LoadSDigits();
- pInRL->TreeD()->GetEntries();
- }//files loop
-
-
-
- pOutRL->TreeD()->Fill();
-
-
- pRICH->ResetDigits(); /// ??? should it be here???
-
- pOutRL->WriteDigits("OVERWRITE");
-
- pOutRL->UnloadHits();
- pOutRL->UnloadDigits();
- if(GetDebug())Info("Exec","Stop");
+ tmpCA.Clear(); //remove all tmp sdigits
+ pOutRichLoader->UnloadDigits(); pOutRich->DigitsReset();
}//Exec()
-//__________________________________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff