-Int_t AliITSHits2Digits()
-{
-
- // Connect the Root Galice file containing Geometry, Kine and Hits
-
- 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();
-
- // 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;
- }
-
- gAlice->GetEvent(0);
- AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
- if (!ITS) {
- cerr<<"ITSHits2Digits.C : AliITS object not found on file\n";
- return 3;
- }
-
-// Set the simulation models for the three detector types
- AliITSgeom *geom = ITS->GetITSgeom();
-
- // 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
-
- // SDD
- //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);
- }
- res1->SetMagicValue(900.);
-
- Float_t maxadc = res1->MaxAdc();
- Float_t topValue = res1->MagicValue();
- Float_t norm = maxadc/topValue;
-
- Float_t fCutAmp = baseline + 2.*noise;
- fCutAmp *= norm;
- 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.);
- //res1->SetMagicValue(96.95);
-
- AliITSsegmentationSDD *seg1=(AliITSsegmentationSDD*)iDetType->GetSegmentationModel();
- if (!seg1) {
- seg1 = new AliITSsegmentationSDD(geom,res1);
- ITS->SetSegmentationModel(1,seg1);
- }
- AliITSsimulationSDD *sim1=new AliITSsimulationSDD(seg1,res1);
- sim1->SetDoFFT(1);
- sim1->SetCheckNoise(kFALSE);
- ITS->SetSimulationModel(1,sim1);
-
- // 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);
-
-
- cerr<<"Digitizing ITS...\n";
+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.
+ ////////////////////////////////////////////////////////////////////
+
+ // Dynamically link some shared libs
+ if (gClassTable->GetID("AliRun") < 0) {
+ gROOT->LoadMacro("loadlibs.C");
+ loadlibs();
+ } // end if
+
+ // Connect the Root Galice file containing Geometry, Kine and Hits
- 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;
+ 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();
+
+ // 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
+
+ AliITS *ITS = (AliITS*)gAlice->GetDetector("ITS");
+ if (!ITS) {
+ cerr<<"AliITSHits2Digits.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;
+ } // 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();
+ timer.Start();
+ gAlice->Hits2Digits("ITS");
+ timer.Stop(); timer.Print();
+
+ 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;
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff