-Int_t AliITSHits2SDigits(const char *inFile = "galice.root"){
+#if !defined(__CINT__) || defined(__MAKECINT__)
+
+#include "Riostream.h"
+#include "TDatime.h"
+#include "TClassTable.h"
+#include "AliRun.h"
+#include "AliRunDigitizer.h"
+#include "AliITSDigitizer.h"
+#include "AliITS.h"
+#include "AliITSDetType.h"
+#include "AliITSLoader.h"
+#include "AliITSresponseSDD.h"
+#include "TStopwatch.h"
+
+#endif
+
+Int_t AliITSHits2SDigits(TString filename = "galice.root")
+ {
+ // Standard ITS Hits to SDigits.
// Dynamically link some shared libs
if (gClassTable->GetID("AliRun") < 0) {
- gROOT->LoadMacro("loadlibs.C");
- loadlibs();
- } // end if
+ gROOT->ProcessLine(".x $(ALICE_ROOT)/macros/loadlibs.C");
+ }else if (gAlice){
+ delete AliRunLoader::Instance();
+ delete gAlice;
+ gAlice=0;
+ }
// Connect the Root Galice file containing Geometry, Kine and Hits
-
- TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile);
- if (file) {file->Close(); delete file;}
- cout << "AliITSHits2SDigitsDefault" << endl;
- file = new TFile(inFile,"UPDATE");
- if (!file->IsOpen()) {
- cerr<<"Can't open "<<inFile<<" !" << endl;
- return 1;
- } // end if !file
- file->ls();
- if(!file) file = new TFile(fileNameSDigitsSig.Data());
- TDatime *ct0 = new TDatime(2002,04,26,00,00,00), ct = file->GetCreationDate();
-
- // Get AliRun object from file or return if not on file
- if (gAlice) delete gAlice;
- gAlice = (AliRun*)file->Get("gAlice");
- if (!gAlice) {
- cerr << "AliITSITSHits2Digits.C : AliRun object not found on file"
- << endl;
- return 2;
- } // end if !gAlice
- gAlice->GetEvent(0);
+ AliRunLoader* rl = AliRunLoader::Open(filename);
+ if (rl == 0x0)
+ {
+ cerr<<"AliITSHits2SDigits.C : Can not open session RL=NULL"
+ << endl;
+ return 3;
+ }
+
+ Int_t retval = rl->LoadgAlice();
+ if (retval)
+ {
+ cerr<<"AliITSHits2SDigits.C : LoadgAlice returned error"
+ << endl;
+ return 3;
+ }
+ gAlice=rl->GetAliRun();
+ AliITSLoader* gime = (AliITSLoader*) rl->GetLoader("ITSLoader");
+ if (gime == 0x0)
+ {
+ cerr<<"AliITSHits2SDigits.C : can not get ITS loader"
+ << endl;
+ }
AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
if (!ITS) {
- cerr<<"AliITSHits2DigitsDefault.C : AliITS object not found on file"
+ cerr<<"AliITSHits2SDigits.C : AliITS object not found on file"
<< endl;
return 3;
} // end if !ITS
if(!(ITS->GetITSgeom())){
- cerr << " AliITSgeom not found. Can't digitize with out it." << endl;
- return 4;
+ cerr << " AliITSgeom not found. Can't digitize without it." << endl;
+ return 4;
} // end if
- if(ct0->GetDate()>ct.GetDate()){
- // For old files, must change SDD noise.
- AliITS *ITS = (AliITS*) gAlice->GetDetector("ITS");
- AliITSresponseSDD *resp1 = ITS->DetType(1)->GetResponseModel();
- resp1->SetNoiseParam();
- resp1->SetNoiseAfterElectronics();
- Float_t n,b;
- Int_t cPar[8];
- resp1->GetNoiseParam(n,b);
- n = resp1->GetNoiseAfterElectronics();
- cPar[0]=0;
- cPar[1]=0;
- cPar[2]=(Int_t)(b + 2.*n + 0.5);
- cPar[3]=(Int_t)(b + 2.*n + 0.5);
- cPar[4]=0;
- cPar[5]=0;
- cPar[6]=0;
- cPar[7]=0;
- resp1->SetCompressParam(cPar);
- } // end if
-
- if(!gAlice->TreeS()){
- cout << "Having to create the SDigits Tree." << endl;
- gAlice->MakeTree("S");
- } // end if !gAlice->TreeS()
- //make branch
- ITS->MakeBranch("S");
- ITS->SetTreeAddress();
- cout << "Digitizing ITS..." << endl;
-
TStopwatch timer;
- Long_t size0 = file->GetSize();
+ Int_t evNumber1 = 0;
+ Int_t evNumber2 = AliRunLoader::GetNumberOfEvents();
timer.Start();
- ITS->Hits2SDigits();
- timer.Stop(); timer.Print();
+ retval = gime->LoadHits();
+ if (retval)
+ {
+ cerr<<"AliITSHits2SDigits.C : ITSLoader::LoadHits returned error"
+ << endl;
+ return 3;
+ }
+ retval = gime->LoadSDigits("recreate");
+ if (retval)
+ {
+ cerr<<"AliITSHits2SDigits.C : ITSLoader::LoadSDigits returned error"
+ << endl;
+ return 3;
+ }
+ for(Int_t event = evNumber1; event < evNumber2; event++){
+ rl->GetEvent(event);
+ if(!gime->TreeS()){
+ cout << "Having to create the SDigits Tree." << endl;
+ gime->MakeTree("S");
+ } // end
- delete gAlice; gAlice=0;
- file->Close();
- Long_t size1 = file->GetSize();
- cout << "File size before = " << size0 << " file size after = " << size1;
- cout << "Increase in file size is " << size1-size0 << " Bytes" << endl;
- delete file;
- return 0;
-};
+ ITS->MakeBranch("S");
+ ITS->SetTreeAddress();
+ cout<<"Making ITS SDigits for event "<<event<<endl;
+ ITS->Hits2SDigits();
+ } // end for event
+ timer.Stop();
+ timer.Print();
+ delete rl; // sdigfile is closed by deleting gAlice if != hitfile.
+ return 0;
+}