-Int_t AliITSHits2SDigits(const char *inFile = "galice.root"){
+#if !defined(__CINT__) || defined(__MAKECINT__)
+
+#include "iostream.h"
+#include "TDatetime.h"
+#include "STEER/AliRun.h"
+#include "STEER/AliRunDigitizer.h"
+#include "ITS/AliITSDigitizer.h"
+#include "ITS/AliITS.h"
+#include "ITS/AliITSDetType.h"
+#include "ITS/AliITSresponseSDD.h"
+#include "TStopwatch.h"
+
+#endif
+
+TFile* AccessFile(TString inFile="galice.root", TString acctype="R");
+void writeAR(TFile * fin, TFile *fou);
+Int_t ChangeITSDefaults(TFile *hitfile,AliITS *ITS,TString opt="");
+//#define DEBUG
+Int_t AliITSHits2SDigits(TString hitFile = "galice.root",
+ TString sdigFile = "galice.root",TString opt=""){
+ // Standeard ITS Hits to SDigits.
// Dynamically link some shared libs
if (gClassTable->GetID("AliRun") < 0) {
} // end if
// 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
+ TFile *hitfile = 0; // pointer to input file.
+ TFile *sdigfile = 0; // possible output file for TreeD
+ if(sdigFile.CompareTo(hitFile) == 0){// write output to same file as input.
+ hitfile = AccessFile(hitFile,"U"); // input file open for update.
+ }else{ // different output file then input file.
+ hitfile = AccessFile(hitFile,"R"); // input file open as read only
+ // open output file and create TreeR on it
+ sdigfile = gAlice->InitTreeFile("S",sdigFile);
+ } // end if sdigFile == hitFile.
- gAlice->GetEvent(0);
AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
if (!ITS) {
cerr<<"AliITSHits2DigitsDefault.C : AliITS object not found on file"
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;
+ ChangeITSDefaults(hitfile,ITS,opt);
+ // write the AliRun object to the output file if different from input file.
+ if(sdigfile) writeAR(hitfile,sdigfile);
TStopwatch timer;
- Long_t size0 = file->GetSize();
+ Int_t evNumber1 = 0;
+ Int_t evNumber2 = gAlice->GetEventsPerRun();
timer.Start();
- ITS->Hits2SDigits();
- timer.Stop(); timer.Print();
+ for(Int_t event = evNumber1; event < evNumber2; event++){
+ gAlice->GetEvent(event);
+ if(!gAlice->TreeS() && sdigfile == 0){
+ cout << "Having to create the SDigits Tree." << endl;
+ gAlice->MakeTree("S");
+ } // end if !gAlice->TreeS()
+ if(sdigfile) gAlice->MakeTree("S",sdigfile);
+ // make branch
+ ITS->MakeBranch("S");
+ ITS->SetTreeAddress();
+#ifdef DEBUG
+ cout<<"Making ITS SDigits for event "<<event<<endl;
+#endif
+ ITS->Hits2SDigits();
+ } // end for event
+ timer.Stop();
+ timer.Print();
+ if(sdigfile!=0){
+ cout << sdigFile << " size =" << sdigfile->GetSize() << endl;
+ }else{
+ cout << hitFile << " size =" << hitfile->GetSize() << endl;
+ } // end if sdigfile!=0
- 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;
-};
+ delete gAlice; // sdigfile is closed by deleting gAlice if != hitfile.
+ gAlice = 0;
+ hitfile->Close(); hitfile=0;
+}
+//______________________________________________________________________
+TFile * AccessFile(TString FileName, TString acctype){
+ // Function used to open the input file and fetch the AliRun object
+
+ TFile *retfil = 0;
+ TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(FileName);
+ if(file) {
+ file->Close();
+ delete file;
+ file = 0;
+ } // end if file
+ if(acctype.Contains("U")){
+ file = new TFile(FileName,"UPDATE");
+ } // end if open for update
+ if(acctype.Contains("N") && !file){
+ file = new TFile(FileName,"RECREATE");
+ } // end if open a new file
+ if(!file) file = new TFile(FileName,"READ"); // default readonly
+ if (!file->IsOpen()) {
+ cerr << "Can't open " << FileName << " !" << endl;
+ return retfil;
+ } // end if error opeing file
+
+ // Get AliRun object from file or return if not on file
+ if (gAlice) {delete gAlice; gAlice = 0;}
+ gAlice = (AliRun*)file->Get("gAlice");
+ if (!gAlice) {
+ cerr << "AliRun object not found on file "<< FileName << "!" << endl;
+ file->Close(); // close file and return error.
+ return retfil;
+ } // end if !gAlice
+ return file;
+}
+//______________________________________________________________________
+void writeAR(TFile * fin, TFile *fou) {
+ TDirectory *current = gDirectory;
+ TTree *TeOld;
+ TTree *TeNew;
+ AliHeader *alhe = new AliHeader();
+ TeOld = (TTree*)fin->Get("TE");
+ TeOld->SetBranchAddress("Header",&alhe);
+ TeOld->SetBranchStatus("*",1);
+ fou->cd();
+ TeNew = TeOld->CloneTree();
+ TeNew->Write(0,TObject::kOverwrite);
+ gAlice->Write(0,TObject::kOverwrite);
+ current->cd();
+ delete alhe;
+#ifdef DEBUG
+ cout << "AliRun object written to file" << endl;
+#endif
+}
+//______________________________________________________________________
+Int_t ChangeITSDefaults(TFile *hitfile,AliITS *ITS,TString opt){
+
+ TDatime *ct0 = new TDatime(2002,04,26,00,00,00);
+ TDatime ct = hitfile->GetCreationDate();
+
+ if(ct0->GetDate()>ct.GetDate()){
+ // For old files, must change SDD noise.
+ AliITSresponseSDD *resp1 = (AliITSresponseSDD*)ITS->DetType(1)->
+ GetResponseModel();
+ resp1 = new AliITSresponseSDD();
+ ITS->SetResponseModel(1,resp1);
+ cout << "Changed response class for SDD:" << endl;
+ resp1->Print();
+ } // end if
+ if(opt.Contains("Dubna")){
+ AliITSresponseSPDdubna *resp0 = new AliITSresponseSPDdubna();
+ if(ITS->DetType(0)->GetResponseModel() !=0){
+ delete ((AliITSresponse*)ITS->DetType(0)->GetResponseModel());
+ ITS->DetType(0)->ResponseModel(0);
+ } // end if
+ ITS->DetType(0)->ResponseModel(resp0);
+ AliITSsegmentationSPD *seg0 = (AliITSsegmentationSPD*)ITS->
+ DetType(0)->GetSegmentationModel();
+ AliITSsimulationSPDdubna *sim0 = new AliITSsimulationSPDdubna(seg0,
+ resp0);
+ if(ITS->DetType(0)->GetSimulationModel() !=0){
+ delete ((AliITSsimulation*)ITS->DetType(0)->GetSimulationModel());
+ ITS->DetType(0)->SimulationModel(0);
+ } // end if
+ ITS->DetType(0)->SimulationModel(sim0);
+ } // end if Dubna
+}