-Int_t AliITSHits2Digits(const char *inFile = "galice.root"){
- ////////////////////////////////////////////////////////////////////
- // This macro will take hits from a galice.root file and
- // produce digits for the ITS using the settings for the detector
- // simulations defined in this file. It will measure the time
- // required to do so and the increase in the galice.root file.
- // There is only one input, that of the name of the root file
- // containing the hits and to which the digits will be written to.
- // This macro will process all of the events on the root file.
- ////////////////////////////////////////////////////////////////////
+#if !defined(__CINT__) || defined(__MAKECINT__)
- // Dynamically link some shared libs
- if (gClassTable->GetID("AliRun") < 0) {
- gROOT->LoadMacro("loadlibs.C");
- loadlibs();
- } // end if
+#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"
- // Connect the Root Galice file containing Geometry, Kine and Hits
-
- TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile);
- if (file) {file->Close(); delete file;}
- cout << "AliITSHits2Digits" << endl;
- file = new TFile(inFile,"UPDATE");
- if (!file->IsOpen()) {
- cerr<<"Can't open "<<inFile<<" !" << endl;
- return 1;
- } // end if !file
- file->ls();
+#endif
- // 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
+//#define DEBUG
+Int_t AliITSHits2Digits(TString inFile = "galice.root"){
+ // Standard ITS Hits to Digits, excluding creation of SDigits.
+ // Dynamically link some shared libs
+ if (gClassTable->GetID("AliRun") < 0) {
+ gROOT->ProcessLine(".x $(ALICE_ROOT)/macros/loadlibs.C");
+ }else if (gAlice){
+ delete gAlice->GetRunLoader();
+ delete gAlice;
+ gAlice=0;
+ }
+
+ AliRunLoader* rl = AliRunLoader::Open(inFile.Data());
+ if (rl == 0x0)
+ {
+ cerr<<"AliITSHits2Digits.C : Can not open session RL=NULL"
+ << endl;
+ return 3;
+ }
+
+ Int_t retval = rl->LoadgAlice();
+ if (retval)
+ {
+ cerr<<"AliITSHits2Digits.C : LoadgAlice returned error"
+ << endl;
+ return 3;
+ }
+ gAlice=rl->GetAliRun();
+ AliITSLoader* gime = (AliITSLoader*)rl->GetLoader("ITSLoader");
+ if (gime == 0x0)
+ {
+ cerr<<"AliITSHits2Digits.C : can not get ITS loader"
+ << endl;
+ }
AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
if (!ITS) {
- cerr<<"AliITSHits2Digits.C : AliITS object not found on file"
+ cerr<<"AliITSHits2Digit.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;
+ cerr << " AliITSgeom not found. Can't digitize without it." << endl;
return 4;
} // end if
- // SPD
- cout << "Changing from Default SPD simulation, and responce." << endl;
- AliITSDetType *iDetType=ITS->DetType(0);
- AliITSsegmentationSPD *seg0=(AliITSsegmentationSPD*)iDetType->
- GetSegmentationModel();
- AliITSresponseSPD *res0 = (AliITSresponseSPD*)iDetType->GetResponseModel();
- AliITSsimulationSPD *sim0=new AliITSsimulationSPD(seg0,res0);
- ITS->SetSimulationModel(0,sim0);
- // test
- cout << "SPD dimensions " << seg0->Dx() << " " << seg0->Dz() << endl;
- cout << "SPD npixels " << seg0->Npz() << " " << seg0->Npx() << endl;
- cout << "SPD pitches " << seg0->Dpz(0) << " " << seg0->Dpx(0) << endl;
- // end test
-
- // SDD
- cout << "Changing from Default SDD simulation, and responce." << endl;
- //Set response functions
- Float_t baseline = 10.;
- Float_t noise = 1.75;
- // SDD compression param: 2 fDecrease, 2fTmin, 2fTmax or disable,
- // 2 fTolerance
- AliITSDetType *iDetType=ITS->DetType(1);
- AliITSresponseSDD *res1 = (AliITSresponseSDD*)iDetType->GetResponseModel();
- if (!res1) {
- res1=new AliITSresponseSDD();
- ITS->SetResponseModel(1,res1);
- } // end if !res1
- Float_t fCutAmp = baseline + 2.*noise;
- Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0}; //1D
-
- //res1->SetZeroSupp("2D");
- res1->SetZeroSupp("1D");
- res1->SetNoiseParam(noise,baseline);
- res1->SetDo10to8(kTRUE);
- res1->SetCompressParam(cp);
- res1->SetMinVal(4);
- res1->SetDiffCoeff(3.6,40.);
- AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->
- GetSegmentationModel();
- if (!seg1) {
- seg1 = new AliITSsegmentationSDD(ITS->GetITSgeom(),res1);
- ITS->SetSegmentationModel(1,seg1);
- } // end if !seg1
- AliITSsimulationSDD *sim1 = new AliITSsimulationSDD(seg1,res1);
- sim1->SetDoFFT(1);
- sim1->SetCheckNoise(kFALSE);
- ITS->SetSimulationModel(1,sim1);
-
- // SSD
- cout << "Changing from Default SSD simulation, and responce." << endl;
- AliITSDetType *iDetType = ITS->DetType(2);
- AliITSsegmentationSSD *seg2 = (AliITSsegmentationSSD*)iDetType->
- GetSegmentationModel();
- AliITSresponseSSD *res2 = (AliITSresponseSSD*)iDetType->GetResponseModel();
- res2->SetSigmaSpread(3.,2.);
- AliITSsimulationSSD *sim2 = new AliITSsimulationSSD(seg2,res2);
- ITS->SetSimulationModel(2,sim2);
-
- cout << "Digitizing ITS..." << endl;
+
TStopwatch timer;
- Long_t size0 = file->GetSize();
+ Int_t evNumber1 = 0;
+ Int_t evNumber2 = gAlice->GetEventsPerRun();
timer.Start();
- gAlice->Hits2Digits("ITS");
- timer.Stop(); timer.Print();
+ retval = gime->LoadHits();
+ if (retval)
+ {
+ cerr<<"AliITSHits2Digits.C : ITSLoader::LoadHits returned error"
+ << endl;
+ return 3;
+ }
- 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;
-};
+ retval = gime->LoadDigits("recreate");
+ if (retval)
+ {
+ cerr<<"AliITSHits2Digits.C : ITSLoader::LoadDigits returned error"
+ << endl;
+ return 3;
+ }
+ for(Int_t nevent = evNumber1; nevent < evNumber2; nevent++){
+ // cout<<"Producing Digits for event n."<<nevent<<endl;
+
+ rl->GetEvent(nevent);
+ if(!gime->TreeD()){
+ cout << "Having to create the Digits Tree." << endl;
+ gime->MakeTree("D");
+ } // end if creating digits tree
+ ITS->MakeBranch("D");
+ ITS->SetTreeAddress();
+ ITS->Hits2Digits();
+ } // end for nevent
+ timer.Stop();
+ timer.Print();
+ delete rl;
+ return 0;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff