-Int_t AliITSHits2Digits()
-{
+#if !defined(__CINT__) || defined(__MAKECINT__)
- // Connect the Root Galice file containing Geometry, Kine and Hits
+#include "TROOT.h"
+#include "Riostream.h"
+#include "TDatime.h"
+#include "TClassTable.h"
+#include "AliRun.h"
+#include "AliRunDigitizer.h"
+#include "AliITS.h"
+#include "AliITSDetTypeSim.h"
+#include "AliITSLoader.h"
+#include "AliITSresponseSDD.h"
+#include "TStopwatch.h"
- const char * inFile = "galice.root";
- TFile *file = (TFile*)gROOT->GetListOfFiles()->FindObject(inFile);
- if (file) {file->Close(); delete file;}
- printf("Hits2Digits\n");
- file = new TFile(inFile,"UPDATE");
- if (!file->IsOpen()) {
- cerr<<"Can't open "<<inFile<<" !\n";
- return 1;
- }
- 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<<"ITSHits2Digits.C : AliRun object not found on file\n";
- return 2;
- }
+//#define DEBUG
+Int_t AliITSHits2Digits(TString inFile = "galice.root"){
+ // Standard ITS Hits to Digits, excluding creation of SDigits.
- gAlice->GetEvent(0);
- AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
- if (!ITS) {
- cerr<<"ITSHits2Digits.C : AliITS object not found on file\n";
- return 3;
- }
+ // Dynamically link some shared libs
+ if (gClassTable->GetID("AliRun") < 0) {
+ gROOT->ProcessLine(".x $(ALICE_ROOT)/macros/loadlibs.C");
+ }else if (gAlice){
+ delete AliRunLoader::Instance();
+ delete gAlice;
+ gAlice=0;
+ }
-// Set the simulation models for the three detector types
- AliITSgeom *geom = ITS->GetITSgeom();
+ 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<<"AliITSHits2Digit.C : AliITS object not found on file"
+ << endl;
+ return 3;
+ } // end if !ITS
- // SPD
- 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
- printf("SPD dimensions %f %f \n",seg0->Dx(),seg0->Dz());
- printf("SPD npixels %d %d \n",seg0->Npz(),seg0->Npx());
- printf("SPD pitches %d %d \n",seg0->Dpz(0),seg0->Dpx(0));
- // end test
+ if(!(ITS->GetITSgeom())){
+ cerr << " AliITSgeom not found. Can't digitize without it." << endl;
+ return 4;
+ } // end if
- // SDD
- // Set response parameters
- // 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);
- }
- Float_t baseline;
- Float_t noise;
- res1->GetNoiseParam(noise,baseline);
- Float_t noise_after_el = res1->GetNoiseAfterElectronics();
- cout << "noise_after_el: " << noise_after_el << endl;
- Float_t fCutAmp;
- fCutAmp = baseline;
- fCutAmp += (2.*noise_after_el); // noise
- cout << "Cut amplitude: " << fCutAmp << endl;
- Int_t cp[8]={0,0,fCutAmp,fCutAmp,0,0,0,0};
- res1->SetCompressParam(cp);
+
- res1->Print();
- AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel();
- if (!seg1) {
- seg1 = new AliITSsegmentationSDD(geom,res1);
- ITS->SetSegmentationModel(1,seg1);
- }
- AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
- ITS->SetSimulationModel(1,sim1);
+ TStopwatch timer;
+ Int_t evNumber1 = 0;
+ Int_t evNumber2 = rl->GetNumberOfEvents();
+ timer.Start();
+ retval = gime->LoadHits();
+ if (retval)
+ {
+ cerr<<"AliITSHits2Digits.C : ITSLoader::LoadHits returned error"
+ << endl;
+ return 3;
+ }
- // SSD
- 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);
+ 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;
- cerr<<"Digitizing ITS...\n";
-
- if(!gAlice->TreeD()) gAlice->MakeTree("D");
- printf("TreeD %p\n",gAlice->TreeD());
- //make branch
- ITS->MakeBranch("D");
-
- TStopwatch timer;
- timer.Start();
- ITS->HitsToDigits(0,0,-1," ","All"," ");
- timer.Stop(); timer.Print();
-
- delete sim0;
- delete sim1;
- delete sim2;
-
-
- delete gAlice; gAlice=0;
- file->Close();
- delete file;
- return 0;
-};
+ 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