--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-2000, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+#include "AliHMPIDDigitizer.h"
+#include "AliHMPID.h"
+#include "AliHMPIDDigit.h"
+#include <AliRun.h>
+#include <AliRunLoader.h>
+#include "AliRunDigitizer.h"
+#include <AliLoader.h>
+#include <AliLog.h>
+
+
+ClassImp(AliHMPIDDigitizer)
+
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDDigitizer::Exec(Option_t*)
+{
+// 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 HMPID loaders
+ TClonesArray sdigs("AliHMPIDDigit");//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("HMPIDLoader"); if(pInRichLoader==0) continue; //no HMPID in this input, check the next input
+ if (!pInRunLoader->GetAliRun()) pInRunLoader->LoadgAlice();
+ AliHMPID* pInRich=(AliHMPID*)pInRunLoader->GetAliRun()->GetDetector("HMPID"); //take HMPID from current input
+ pInRichLoader->LoadSDigits(); pInRichLoader->TreeS()->GetEntry(0); //take list of HMPID 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
+ AliHMPIDDigit *pSDig=(AliHMPIDDigit*)pInRich->SdiLst()->At(i);
+ pSDig->AddTidOffset(fManager->GetMask(inFileN)); //apply TID shift since all inputs count tracks independently starting from 0
+ new(sdigs[total++]) AliHMPIDDigit(*pSDig);
+ }
+ pInRichLoader->UnloadSDigits(); pInRich->SdiReset(); //close current input and reset
+ }//files loop
+
+ //PH if(sdigs.GetEntries()==0) return; //no sdigits collected, nothing to convert
+
+ AliRunLoader *pOutRunLoader = AliRunLoader::GetRunLoader(fManager->GetOutputFolderName()); //open output stream (only 1 possible)
+ AliLoader *pOutRichLoader = pOutRunLoader->GetLoader("HMPIDLoader"); //take output HMPID loader
+ AliHMPID *pOutRich = (AliHMPID*)pOutRunLoader->GetAliRun()->GetDetector("HMPID"); //take output HMPID
+ pOutRichLoader->MakeTree("D"); pOutRich->MakeBranch("D"); //create TreeD in output stream
+
+ Sdi2Dig(&sdigs,pOutRich->DigLst());
+
+ pOutRichLoader->TreeD()->Fill(); //fill the output tree with the list of digits
+ pOutRichLoader->WriteDigits("OVERWRITE"); //serialize them to file
+
+ sdigs.Clear(); //remove all tmp sdigits
+ pOutRichLoader->UnloadDigits(); pOutRich->DigReset();
+}//Exec()
+//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+void AliHMPIDDigitizer::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)
+ AliHMPIDDigit *pSdig=(AliHMPIDDigit*)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 && AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(iPad,(Int_t)q,aTids); //do not create digit for the very first sdigit
+ iPad=pSdig->Pad(); iCh=AliHMPIDDigit::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(AliHMPIDDigit::IsOverTh(q)) new((*pLst[iCh])[iCnt[iCh]++]) AliHMPIDDigit(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