* provided "as is" without express or implied warranty. *
**************************************************************************/
-
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////
// //
// V-Zero Detector //
// This class contains the base procedures for the VZERO detector //
+// Default geometry of November 2003 : V0R box is 4.4 cm thick //
+// scintillators are 2 cm thick //
// All comments should be sent to Brigitte CHEYNIS : //
// b.cheynis@ipnl.in2p3.fr //
// //
// //
///////////////////////////////////////////////////////////////////////////
+
+// --- Standard libraries ---
#include <Riostream.h>
-#include <Riostream.h>
+#include <stdlib.h>
+
+// --- ROOT libraries ---
+#include <TNamed.h>
+#include "TROOT.h"
+#include "TFile.h"
+#include "TNetFile.h"
+#include "TRandom.h"
+#include "TTree.h"
+#include "TBranch.h"
+#include "TClonesArray.h"
+#include "TStopwatch.h"
-#include "TMath.h"
-#include "TTUBE.h"
-#include "TNode.h"
-#include "TGeometry.h"
+// --- AliRoot header files ---
#include "AliRun.h"
+#include "AliMC.h"
#include "AliVZERO.h"
+#include "AliVZEROLoader.h"
+#include "AliVZERODigitizer.h"
+#include "AliVZEROBuffer.h"
+#include "AliRunDigitizer.h"
#include "AliVZEROdigit.h"
-#include "AliVZEROhit.h"
+#include "AliDAQ.h"
+#include "AliRawReader.h"
+#include "AliVZERORawStream.h"
ClassImp(AliVZERO)
-
-
+ //__________________________________________________________________
+AliVZERO::AliVZERO(): AliDetector(),
+ fIdSens1(0),
+ fThickness(0.),
+ fThickness1(0.),
+ fMaxStepQua(0.),
+ fMaxStepAlu(0.),
+ fMaxDestepQua(0.),
+ fMaxDestepAlu(0.)
+{
+/// Default Constructor
+
+ AliDebug(1,Form("default (empty) ctor this=%p",this));
+ fIshunt = 0;
+}
//_____________________________________________________________________________
AliVZERO::AliVZERO(const char *name, const char *title)
- : AliDetector(name,title)
+ : AliDetector(name,title),
+ fIdSens1(0),
+ fThickness(4.4),
+ fThickness1(2.0),
+ fMaxStepQua(0.05),
+ fMaxStepAlu(0.01),
+ fMaxDestepQua(-1.0),
+ fMaxDestepAlu(-1.0)
{
- //
+
// Standard constructor for VZERO Detector
- //
- fIshunt = 1; // All hits are associated with primary particles
+ AliDebug(1,Form("ctor this=%p",this));
+
+ // fIshunt = 1; // All hits are associated with primary particles
fHits = new TClonesArray("AliVZEROhit", 400);
fDigits = new TClonesArray("AliVZEROdigit",400);
- gAlice->AddHitList(fHits);
-
-// fDigits = new TClonesArray("AliVZEROdigit",400) ;
+ gAlice->GetMCApp()->AddHitList(fHits);
- fThickness = 4.1; // total thickness of the V0R box
- fThickness1 = 0.7; // thickness of the thickest cell (2.5 in version 0)
+// fThickness = 4.4; // total thickness of the V0R box in cm
+// fThickness1 = 2.0; // thickness of scintillating cells in cm
+//
+// fMaxStepQua = 0.05;
+// fMaxStepAlu = 0.01;
+//
+// fMaxDestepQua = -1.0;
+// fMaxDestepAlu = -1.0;
- fMaxStepQua = 0.05;
- fMaxStepAlu = 0.01;
- fMaxDestepQua = -1.0;
- fMaxDestepAlu = -1.0;
-
- SetMarkerColor(kRed);
}
//_____________________________________________________________________________
AliVZERO::~AliVZERO()
{
+ //
+ // Default destructor for VZERO Detector
+ //
+
if (fHits) {
fHits->Delete();
delete fHits;
- }
+ fHits=0; }
+
+ if (fDigits) {
+ fDigits->Delete();
+ delete fDigits;
+ fDigits=0; }
}
-//_____________________________________________________________________________
-void AliVZERO::BuildGeometry()
-{
- //
- // Build simple ROOT TNode geometry for event display
- //
-}
-
//_____________________________________________________________________________
void AliVZERO::CreateGeometry()
{
//
- // Build simple ROOT TNode geometry for event display
+ // Builds simple Geant3 geometry
//
}
//_____________________________________________________________________________
void AliVZERO::CreateMaterials()
{
//
- // Build simple ROOT TNode geometry for event display
+ // Creates materials used for Geant3 geometry
//
}
-
-
//_____________________________________________________________________________
-Int_t AliVZERO::DistanceToPrimitive(Int_t px, Int_t py)
-{
- //
- // Calculate the distance from the mouse to the VZERO on the screen
- // Dummy routine
- //
-
- return 9999;
-}
-
-//-------------------------------------------------------------------------
void AliVZERO::Init()
{
//
- // Initialise the VZERO after it has been built
+ // Initialises the VZERO class after it has been built
//
}
-//-------------------------------------------------------------------------
-
+//_____________________________________________________________________________
void AliVZERO::SetMaxStepQua(Float_t p1)
{
+ //
+ // Possible parametrisation of steps in active materials
+ //
fMaxStepQua = p1;
}
-//___________________________________________
+//_____________________________________________________________________________
void AliVZERO::SetMaxStepAlu(Float_t p1)
{
+ //
+ // Possible parametrisation of steps in Aluminum foils (not used in
+ // version v2)
+ //
fMaxStepAlu = p1;
}
-//___________________________________________
+//_____________________________________________________________________________
void AliVZERO::SetMaxDestepQua(Float_t p1)
{
+ //
+ // Possible parametrisation of steps in active materials (quartz)
+ //
fMaxDestepQua = p1;
}
-//___________________________________________
+//_____________________________________________________________________________
void AliVZERO::SetMaxDestepAlu(Float_t p1)
{
+ //
+ // Possible parametrisation of steps in Aluminum (not used in
+ // version v2)
+ //
fMaxDestepAlu = p1;
}
+
+//_____________________________________________________________________________
+AliLoader* AliVZERO::MakeLoader(const char* topfoldername)
+{
+ //
+ // Builds VZEROgetter (AliLoader type)
+ // if detector wants to use customized getter, it must overload this method
+ //
+// Info("MakeLoader","Creating AliVZEROLoader. Top folder is %s.",topfoldername);
+
+ AliDebug(1,Form("Creating AliVZEROLoader, Top folder is %s ",topfoldername));
+ fLoader = new AliVZEROLoader(GetName(),topfoldername);
+ return fLoader;
+}
+
+//_____________________________________________________________________________
+void AliVZERO::SetTreeAddress()
+{
+ //
+ // Sets tree address for hits.
+ //
+ if (fLoader->TreeH() && (fHits == 0x0))
+ fHits = new TClonesArray("AliVZEROhit", 400);
+
+ AliDetector::SetTreeAddress();
+}
+
+//_____________________________________________________________________________
+AliDigitizer* AliVZERO::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ //
+ // Creates a digitizer for VZERO
+ //
+ return new AliVZERODigitizer(manager);
+}
+
+//_____________________________________________________________________________
+void AliVZERO::Hits2Digits(){
+ //
+ // Converts hits to digits of the current event
+ //
+ // Inputs file name
+ const char *alifile = "galice.root";
+
+ // Create the run digitizer
+ AliRunDigitizer* manager = new AliRunDigitizer(1, 1);
+ manager->SetInputStream(0, alifile);
+ manager->SetOutputFile("H2Dfile");
+
+ // Creates the VZERO digitizer
+ AliVZERODigitizer* dig = new AliVZERODigitizer(manager);
+
+ // Creates the digits
+ dig->Exec("");
+
+}
+//_____________________________________________________________________________
+void AliVZERO::Digits2Raw()
+{
+ //
+ // Converts digits of the current event to raw data
+ //
+
+ AliVZERO *fVZERO = (AliVZERO*)gAlice->GetDetector("VZERO");
+ fLoader->LoadDigits();
+ TTree* digits = fLoader->TreeD();
+ if (!digits) {
+ Error("Digits2Raw", "no digits tree");
+ return;
+ }
+ TClonesArray * VZEROdigits = new TClonesArray("AliVZEROdigit",1000);
+ fVZERO->SetTreeAddress();
+ digits->GetBranch("VZERODigit")->SetAddress(&VZEROdigits);
+
+ const char *fileName = AliDAQ::DdlFileName("VZERO",0);
+ AliVZEROBuffer* buffer = new AliVZEROBuffer(fileName);
+
+ // Verbose level
+ // 0: Silent
+ // 1: cout messages
+ // 2: txt files with digits
+ // BE CAREFUL, verbose level 2 MUST be used only for debugging and
+ // it is highly suggested to use this mode only for debugging digits files
+ // reasonably small, because otherwise the size of the txt files can reach
+ // quickly several MB wasting time and disk space.
+
+ ofstream ftxt;
+ buffer->SetVerbose(0);
+ Int_t verbose = buffer->GetVerbose();
+
+ // Get Trigger information first
+ // Read trigger inputs from trigger-detector object
+ AliDataLoader * dataLoader = fLoader->GetDigitsDataLoader();
+ if( !dataLoader->IsFileOpen() )
+ dataLoader->OpenFile( "READ" );
+ AliTriggerDetector* trgdet = (AliTriggerDetector*)dataLoader->GetDirectory()->Get( "Trigger" );
+ UInt_t triggerInfo = 0;
+ if(trgdet) {
+ triggerInfo = trgdet->GetMask() & 0xffff;
+ }
+ else {
+ AliError(Form("There is no trigger object for %s",fLoader->GetName()));
+ }
+
+ buffer->WriteTriggerInfo((UInt_t)triggerInfo);
+ buffer->WriteTriggerScalers();
+ buffer->WriteBunchNumbers();
+
+ // Now retrieve the channel information: charge+time and
+ // dump it into ADC and Time arrays
+ // We assume here an ordered (by PMNumber) array of
+ // digits!!
+
+ Int_t nEntries = Int_t(digits->GetEntries());
+ Float_t ADC[64];
+ Int_t PMNumber[64];
+ Float_t Time[64];
+ Bool_t Integrator[64];
+
+ for (Int_t i = 0; i < nEntries; i++) {
+ fVZERO->ResetDigits();
+ digits->GetEvent(i);
+ Int_t ndig = VZEROdigits->GetEntriesFast();
+
+ if(ndig == 0) continue;
+ if(verbose == 2) {ftxt.open("VZEROdigits.txt",ios::app);}
+ for(Int_t k=0; k<ndig; k++){
+ AliVZEROdigit* fVZERODigit = (AliVZEROdigit*) VZEROdigits->At(k);
+ // Convert aliroot channel k into FEE channel iChannel before writing data
+ Int_t iChannel = buffer->GetOnlineChannel(k);
+ ADC[iChannel] = fVZERODigit->ADC();
+ PMNumber[iChannel] = fVZERODigit->PMNumber();
+ Time[iChannel] = fVZERODigit->Time();
+ Integrator[iChannel]= fVZERODigit->Integrator();
+ if(verbose == 1) { cout <<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
+ <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;}
+ if(verbose == 2) {
+ ftxt<<"DDL: "<<fileName<< "\tdigit number: "<< k<<"\tPM number: "
+ <<PMNumber[k]<<"\tADC: "<< ADC[k] << "\tTime: "<< Time[k] << endl;}
+// printf("DDL: %s, channel: %d, PM: %d, ADC: %f, Time: %f \n",
+// fileName,k,PMNumber[k],ADC[k],Time[k]);
+ }
+ if(verbose==2) ftxt.close();
+ }
+
+ // Now fill raw data
+
+ for (Int_t iCIU = 0; iCIU < 8; iCIU++) {
+
+ // decoding of one Channel Interface Unit numbered iCIU - there are 8 channels per CIU (and 8 CIUs) :
+
+ for(Int_t iChannel_Offset = iCIU*8; iChannel_Offset < (iCIU*8)+8; iChannel_Offset=iChannel_Offset+4) {
+ for(Int_t iChannel = iChannel_Offset; iChannel < iChannel_Offset+4; iChannel++) {
+ buffer->WriteChannel(iChannel, (Int_t) ADC[iChannel], Time[iChannel], Integrator[iChannel]);
+ }
+ buffer->WriteBeamFlags();
+ buffer->WriteMBInfo();
+ buffer->WriteMBFlags();
+ buffer->WriteBeamScalers();
+ }
+// for(Int_t iChannel=0; iChannel < 8; iChannel++) {
+ for(Int_t iChannel=7; iChannel >= 0; iChannel--) {
+ buffer->WriteTiming(iChannel, (Int_t) ADC[iChannel], Time[iChannel]);
+ }
+
+ // End of decoding of one CIU card
+
+ } // end of decoding the eight CIUs
+
+ delete buffer;
+ fLoader->UnloadDigits();
+}
+
+//_____________________________________________________________________________
+Bool_t AliVZERO::Raw2SDigits(AliRawReader* rawReader){
+ // Converts the VZERO raw data into digits
+ // The method is used for merging simulated and
+ // real data events
+ TStopwatch timer;
+ timer.Start();
+
+ if(!fLoader) {
+ AliError("no VZERO loader found");
+ return kFALSE; }
+
+ TTree* treeD = fLoader->TreeD();
+ if(!treeD) {
+ fLoader->MakeTree("D");
+ treeD = fLoader->TreeD(); }
+
+ AliVZEROdigit digit;
+ AliVZEROdigit* pdigit = &digit;
+ const Int_t kBufferSize = 4000;
+
+ treeD->Branch("VZERO", "AliVZEROdigit", &pdigit, kBufferSize);
+
+ rawReader->Reset();
+ AliVZERORawStream* rawStream = new AliVZERORawStream(rawReader);
+
+ if (!rawStream->Next()) return kFALSE; // No VZERO data found
+
+ for(Int_t i=0; i<64; i++) {
+ new(pdigit) AliVZEROdigit(i, rawStream->GetADC(i), rawStream->GetTime(i));
+ treeD->Fill();
+ }
+
+// Checks if everything is OK by printing results
+
+// for(int i=0;i<64;i++) {
+// printf("Channel %d : %f %f \n",i,rawStream->GetADC(i),rawStream->GetTime(i)); }
+// treeD->Print(); printf(" \n");
+
+ fLoader->WriteDigits("OVERWRITE");
+ fLoader->UnloadDigits();
+
+ delete rawStream;
+
+ timer.Stop();
+ timer.Print();
+ return kTRUE;
+}
+
+
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