* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.9 2000/10/02 21:28:20 fca
-Removal of useless dependecies via forward declarations
-
-Revision 1.8 2000/07/10 13:58:01 fca
-New version of ZDC from E.Scomparin & C.Oppedisano
-
-Revision 1.7 2000/01/19 17:17:40 fca
-
-Revision 1.6 1999/09/29 09:24:35 fca
-Introduction of the Copyright and cvs Log
-
-*/
+/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
-// Zero Degree Calorimeter //
-// This class contains the basic functions for the Time Of Flight //
-// detector. Functions specific to one particular geometry are //
-// contained in the derived classes //
+// Zero Degree Calorimeter //
+// This class contains the basic functions for the ZDCs; //
+// functions specific to one particular geometry are //
+// contained in the derived classes //
// //
///////////////////////////////////////////////////////////////////////////////
+// --- ROOT system
#include <TBRIK.h>
+#include <TGeometry.h>
#include <TNode.h>
-#include "TGeometry.h"
+#include <TTree.h>
+// --- AliRoot header files
+#include "AliDetector.h"
#include "AliZDC.h"
+#include "AliZDCHit.h"
+#include "AliZDCSDigit.h"
+#include "AliZDCDigit.h"
+#include "AliZDCDigitizer.h"
+#include "AliZDCRawStream.h"
+
+#include "AliRawDataHeader.h"
+#include "AliLoader.h"
#include "AliRun.h"
-#include "AliCallf77.h"
-#include "AliConst.h"
#include "AliMC.h"
//
// Default constructor for the Zero Degree Calorimeter base class
//
- fIshunt = 1;
- fHits = 0;
+
+ fIshunt = 1;
+ fNoShower = 0;
+
+ fHits = 0;
+ fNhits = 0;
+
+ fDigits = 0;
+ fNdigits = 0;
+
}
//_____________________________________________________________________________
// Standard constructor for the Zero Degree Calorimeter base class
//
- //
- // Allocate the array of hits
- fHits = new TClonesArray("AliZDChit", 405);
- gAlice->AddHitList(fHits);
-
- fIshunt = 1;
-
- fDimZN[0] = 3.52;
- fDimZN[1] = 3.52;
- fDimZN[2] = 50.;
- fDimZP[0] = 11.2;
- fDimZP[1] = 6.;
- fDimZP[2] = 75.;
- fPosZN[0] = 0.;
- fPosZN[1] = 0.;
- fPosZN[2] = 11650.;
- fPosZP[0] = -23.;
- fPosZP[1] = 0.;
- fPosZP[2] = 11600.;
- fFibZN[0] = 0.;
- fFibZN[1] = 0.01825;
- fFibZN[2] = 50.;
- fFibZP[0] = 0.;
- fFibZP[1] = 0.0275;
- fFibZP[2] = 75.;
- fGrvZN[0] = 0.03;
- fGrvZN[1] = 0.03;
- fGrvZN[2] = 50.;
- fGrvZP[0] = 0.04;
- fGrvZP[1] = 0.04;
- fGrvZP[2] = 75.;
- fDivZN[0] = 11;
- fDivZN[1] = 11;
- fDivZN[2] = 0;
- fDivZP[0] = 7;
- fDivZP[1] = 15;
- fDivZP[2] = 0;
- fTowZN[0] = 2;
- fTowZN[1] = 2;
- fTowZP[0] = 4;
- fTowZP[1] = 1;
-
- // EM Calorimeter
- fDimZEMPb = 0.15*(TMath::Sqrt(2.));
- fDimZEMAir = 0.001;
- fFibRadZEM = 0.0315;
- fDivZEM[0] = 92;
- fDivZEM[1] = 0;
- fDivZEM[2] = 20;
- fDimZEM[0] = 2*fDivZEM[2]*(fDimZEMPb+fDimZEMAir+fFibRadZEM*(TMath::Sqrt(2.)));
- fDimZEM[1] = 3.5;
- fDimZEM[2] = 3.5;
- fDimZEM[3] = 45.;
- fDimZEM[4] = 0.;
- fDimZEM[5] = 0.;
- fFibZEM[0] = 0.;
- fFibZEM[1] = 0.0275;
- fFibZEM[2] = fDimZEM[2]/TMath::Sin(fDimZEM[3]*kDegrad)-fFibRadZEM;
- fPosZEM[0] = 0.;
- fPosZEM[1] = 5.8;
- fPosZEM[2] = 11600.;
+ fIshunt = 1;
+ fNoShower = 0;
+
+ // Allocate the hits array
+ fHits = new TClonesArray("AliZDCHit",1000);
+ gAlice->GetMCApp()->AddHitList(fHits);
+
+ fDigits = 0;
+ fNdigits = 0;
}
//____________________________________________________________________________
//
fIshunt = 0;
- delete fHits;
+
}
//_____________________________________________________________________________
void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
{
//
- // Add a ZDC hit
+ // Add a ZDC hit to the hit list.
+ // -> We make use of 2 array of hits:
+ // [1] fHits (the usual one) that contains hits for each PRIMARY
+ // [2] fStHits that contains hits for each EVENT and is used to
+ // obtain digits at the end of each event
//
+
static Float_t primKinEn, xImpact, yImpact, sFlag;
+ AliZDCHit *newquad, *curprimquad;
+ newquad = new AliZDCHit(fIshunt, track, vol, hits);
TClonesArray &lhits = *fHits;
-
- AliZDChit *newquad, *curquad;
- newquad = new AliZDChit(fIshunt, track, vol, hits);
- Int_t i;
- for(i=0; i<fNhits; i++){
- // If the hits are equal (same track, same volume), sum them.
- curquad=(AliZDChit*) lhits[i];
- if(*curquad==*newquad){
- *curquad = *curquad+*newquad;
- delete newquad;
-// fHits->Print("");
- return;
- }
- }
-
- //Otherwise create a new hit.
- if(fNhits==0){
+
+ if(fNhits==0){
// First hit -> setting flag for primary or secondary particle
- Int_t primary = gAlice->GetPrimary(track);
+ Int_t primary = gAlice->GetMCApp()->GetPrimary(track);
if(track != primary){
- newquad->fSFlag = 1; // Hit created by secondary particle entering the ZDC
+ newquad->SetSFlag(1); // SECONDARY particle entering the ZDC
}
else if(track == primary){
- newquad->fSFlag = 0; // Hit created by PRIMARY particle entering the ZDC
+ newquad->SetSFlag(0); // PRIMARY particle entering the ZDC
}
- sFlag = newquad->fSFlag;
- primKinEn = newquad->fPrimKinEn;
- xImpact = newquad->fXImpact;
- yImpact = newquad->fYImpact;
+ sFlag = newquad->GetSFlag();
+ primKinEn = newquad->GetPrimKinEn();
+ xImpact = newquad->GetXImpact();
+ yImpact = newquad->GetYImpact();
}
else{
- newquad->fPrimKinEn = primKinEn;
- newquad->fXImpact = xImpact;
- newquad->fYImpact = yImpact;
- newquad->fSFlag = sFlag;
+ newquad->SetPrimKinEn(primKinEn);
+ newquad->SetXImpact(xImpact);
+ newquad->SetYImpact(yImpact);
+ newquad->SetSFlag(sFlag);
}
-// printf("\n");
-// fHits->Print("");
- new(lhits[fNhits++]) AliZDChit(newquad);
- delete newquad;
+
+ Int_t j;
+ for(j=0; j<fNhits; j++){
+ // If hits are equal (same track, same volume), sum them.
+ curprimquad = (AliZDCHit*) lhits[j];
+ if(*curprimquad == *newquad){
+ *curprimquad = *curprimquad+*newquad;
+ delete newquad;
+ return;
+ }
}
-
-//_____________________________________________________________________________
-void AliZDC::ResetHits()
-{
- //
- // Reset number of hits and the hits array
- //
- AliDetector::ResetHits();
+
+ //Otherwise create a new hit
+ new(lhits[fNhits]) AliZDCHit(newquad);
+ fNhits++;
+
+ delete newquad;
}
+
//_____________________________________________________________________________
void AliZDC::BuildGeometry()
{
TNode *node, *top;
TBRIK *brik;
- const int kColorZDC = kRed;
+ const int kColorZDC = kBlue;
//
top=gAlice->GetGeometry()->GetNode("alice");
//
return 9999;
}
-
+
+//____________________________________________________________________________
+Float_t AliZDC::ZMin(void) const
+{
+ // Minimum dimension of the ZDC module in z
+ return -11600.;
+}
+
+//____________________________________________________________________________
+Float_t AliZDC::ZMax(void) const
+{
+ // Maximum dimension of the ZDC module in z
+ return -11750.;
+}
+
+
//_____________________________________________________________________________
-void AliZDC::StepManager()
+void AliZDC::MakeBranch(Option_t *opt, const char * /*file*/)
{
//
- // Routine called at every step in the Zero Degree Calorimeter
+ // Create Tree branches for the ZDC
//
+
+ char branchname[10];
+ sprintf(branchname,"%s",GetName());
+
+ const char *cH = strstr(opt,"H");
+
+ if (cH && fLoader->TreeH())
+ fHits = new TClonesArray("AliZDCHit",1000);
+
+ AliDetector::MakeBranch(opt);
}
-ClassImp(AliZDChit)
+//_____________________________________________________________________________
+void AliZDC::Hits2SDigits()
+{
+ // Create summable digits from hits
+
+ if (GetDebug()) printf("\n Entering AliZDC::Hits2Digits() ");
+
+ fLoader->LoadHits("read");
+ fLoader->LoadSDigits("recreate");
+ AliRunLoader* runLoader = fLoader->GetRunLoader();
+ AliZDCSDigit sdigit;
+ AliZDCSDigit* psdigit = &sdigit;
+
+ // Event loop
+ for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
+ Float_t pmCZN = 0, pmCZP = 0, pmQZN[4], pmQZP[4], pmZEM1 = 0, pmZEM2 = 0;
+ for (Int_t i = 0; i < 4; i++) pmQZN[i] = pmQZP[i] = 0;
+
+ runLoader->GetEvent(iEvent);
+ TTree* treeH = fLoader->TreeH();
+ Int_t ntracks = (Int_t) treeH->GetEntries();
+ ResetHits();
+
+ // Tracks loop
+ Int_t sector[2];
+ for (Int_t itrack = 0; itrack < ntracks; itrack++) {
+ treeH->GetEntry(itrack);
+ for (AliZDCHit* zdcHit = (AliZDCHit*)FirstHit(-1); zdcHit;
+ zdcHit = (AliZDCHit*)NextHit()) {
+
+ sector[0] = zdcHit->GetVolume(0);
+ sector[1] = zdcHit->GetVolume(1);
+ if ((sector[1] < 1) || (sector[1] > 4)) {
+ Error("Hits2SDigits", "sector[0] = %d, sector[1] = %d",
+ sector[0], sector[1]);
+ continue;
+ }
+ Float_t lightQ = zdcHit->GetLightPMQ();
+ Float_t lightC = zdcHit->GetLightPMC();
+
+ if (sector[0] == 1) { //ZN
+ pmCZN += lightC;
+ pmQZN[sector[1]-1] += lightQ;
+ } else if (sector[0] == 2) { //ZP
+ pmCZP += lightC;
+ pmQZP[sector[1]-1] += lightQ;
+ } else if (sector[0] == 3) { //ZEM
+ if (sector[1] == 1) pmZEM1 += lightC;
+ else pmZEM2 += lightQ;
+ }
+ }//Hits loop
+ }
+
+ // create the output tree
+ fLoader->MakeTree("S");
+ TTree* treeS = fLoader->TreeS();
+ const Int_t kBufferSize = 4000;
+ treeS->Branch(GetName(), "AliZDCSDigit", &psdigit, kBufferSize);
+
+ // Create sdigits for ZN
+ sector[0] = 1; // Detector = ZN
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZN);
+ if (pmCZN > 0) treeS->Fill();
+ for (Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZN[j]);
+ if (pmQZN[j] > 0) treeS->Fill();
+ }
+ // Create sdigits for ZP
+ sector[0] = 2; // Detector = ZP
+ sector[1] = 0; // Common PM ADC
+ new(psdigit) AliZDCSDigit(sector, pmCZP);
+ if (pmCZP > 0) treeS->Fill();
+ for (Int_t j = 0; j < 4; j++) {
+ sector[1] = j+1; // Towers PM ADCs
+ new(psdigit) AliZDCSDigit(sector, pmQZP[j]);
+ if (pmQZP[j] > 0) treeS->Fill();
+ }
+
+ // Create sdigits for ZEM
+ sector[0] = 3;
+ sector[1] = 1; // Detector = ZEM1
+ new(psdigit) AliZDCSDigit(sector, pmZEM1);
+ if (pmZEM1 > 0) treeS->Fill();
+ sector[1] = 2; // Detector = ZEM2
+ new(psdigit) AliZDCSDigit(sector, pmZEM2);
+ if (pmZEM2 > 0) treeS->Fill();
+
+ // write the output tree
+ fLoader->WriteSDigits("OVERWRITE");
+ }
+
+ fLoader->UnloadHits();
+ fLoader->UnloadSDigits();
+}
+
//_____________________________________________________________________________
-AliZDChit::AliZDChit(Int_t shunt, Int_t track, Int_t *vol, Float_t *hits):
- AliHit(shunt, track)
+AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
{
- //
- // Add a ZDC hit
- //
- Int_t i;
- for(i=0; i<2; i++) fVolume[i] = vol[i];
- fX = hits[0];
- fY = hits[1];
- fZ = hits[2];
- fPrimKinEn = hits[3];
- fXImpact = hits[4];
- fYImpact = hits[5];
- fSFlag = hits[6];
- fLightPMQ = hits[7];
- fLightPMC = hits[8];
- fEnergy = hits[9];
+ // Create the digitizer for ZDC
+
+ return new AliZDCDigitizer(manager);
}
+
+//_____________________________________________________________________________
+void AliZDC::Digits2Raw()
+{
+ // Convert ZDC digits to raw data
+
+ // preliminary format: 12 interger values (ZNC, ZNQ1-4, ZPC, ZPQ1-4, ZEM1,2)
+ // For the CAEN module V965 we have an header, the Data Words and an End Of Block
+ UInt_t ADCHeader;
+ UInt_t ADCData[24];
+ UInt_t ADCEndBlock;
+
+ // load the digits
+ fLoader->LoadDigits("read");
+ AliZDCDigit digit;
+ AliZDCDigit* pdigit = &digit;
+ TTree* treeD = fLoader->TreeD();
+ if (!treeD) return;
+ treeD->SetBranchAddress("ZDC", &pdigit);
+
+ // Fill data array
+ // ADC header
+ UInt_t ADCHeaderGEO = 0;
+ UInt_t ADCHeaderCRATE = 0;
+ UInt_t ADCHeaderCNT = (UInt_t) treeD->GetEntries();
+
+ ADCHeader = ADCHeaderGEO << 27 | 0x1 << 25 | ADCHeaderCRATE << 16 |
+ ADCHeaderCNT << 8 ;
+
+ //printf("ADCHeader = %d\n",ADCHeader);
+
+ // ADC data word
+ UInt_t ADCDataGEO = ADCHeaderGEO;
+ UInt_t ADCDataValue[24];
+ UInt_t ADCDataOvFlw[24];
+ for(Int_t i = 0; i < 24; i++){
+ ADCDataValue[i] = 0;
+ ADCDataOvFlw[i] = 0;
+ }
+ UInt_t ADCDataChannel = 0;
+
+ // loop over digits
+ for (Int_t iDigit = 0; iDigit < treeD->GetEntries(); iDigit++) {
+ treeD->GetEntry(iDigit);
+ if (!pdigit) continue;
+
+ //ADC data
+ Int_t index = 0;
+ if(digit.GetSector(0)!=3){
+ index = (digit.GetSector(0)-1) + digit.GetSector(1)*4;
+ ADCDataChannel = (digit.GetSector(0)-1)*8 + digit.GetSector(1);
+ }
+ else {
+ index = 19 + digit.GetSector(1);
+ ADCDataChannel = 5 + digit.GetSector(1)*8;
+ }
+
+ if ((index < 0) || (index >= 22)) {
+ Error("Digits2Raw", "sector[0] = %d, sector[1] = %d",
+ digit.GetSector(0), digit.GetSector(1));
+ continue;
+ }
+
+ ADCDataValue[index] = digit.GetADCValue(0);
+ if (ADCDataValue[index] > 2047) ADCDataOvFlw[index] = 1;
+ ADCDataValue[index+2] = digit.GetADCValue(1);
+ if (ADCDataValue[index+2] > 2047) ADCDataOvFlw[index+2] = 1;
+
+ ADCData[index] = ADCDataGEO << 27 | ADCDataChannel << 17 |
+ ADCDataOvFlw[index] << 12 | (ADCDataValue[index] & 0xfff);
+ ADCData[index+2] = ADCDataGEO << 27 | ADCDataChannel << 17 | 0x1 << 16 |
+ ADCDataOvFlw[index+2] << 12 | (ADCDataValue[index+2] & 0xfff);
+ }
+ //for (Int_t i=0;i<24;i++)printf("ADCData[%d] = %d\n",i,ADCData[i]);
+
+ // End of Block
+ UInt_t ADCEndBlockGEO = ADCHeaderGEO;
+ UInt_t ADCEndBlockEvCount = gAlice->GetEventNrInRun();
+
+ ADCEndBlock = ADCEndBlockGEO << 27 | 0x1 << 26 | ADCEndBlockEvCount;
+
+ //printf("ADCEndBlock = %d\n",ADCEndBlock);
+
+
+ // open the output file
+ char fileName[30];
+ sprintf(fileName, "ZDC_%d.ddl", AliZDCRawStream::kDDLOffset);
+#ifndef __DECCXX
+ ofstream file(fileName, ios::binary);
+#else
+ ofstream file(fileName);
+#endif
+
+ // write the DDL data header
+ AliRawDataHeader header;
+ header.fSize = sizeof(header) + sizeof(ADCHeader) +
+ sizeof(ADCData) + sizeof(ADCEndBlock);
+ //printf("sizeof header = %d, ADCHeader = %d, ADCData = %d, ADCEndBlock = %d\n",
+ // sizeof(header),sizeof(ADCHeader),sizeof(ADCData),sizeof(ADCEndBlock));
+ header.SetAttribute(0); // valid data
+ file.write((char*)(&header), sizeof(header));
+
+ // write the raw data and close the file
+ file.write((char*) &ADCHeader, sizeof (ADCHeader));
+ file.write((char*)(ADCData), sizeof(ADCData));
+ file.write((char*) &ADCEndBlock, sizeof(ADCEndBlock));
+ file.close();
+
+ // unload the digits
+ fLoader->UnloadDigits();
+}
+
+//______________________________________________________________________
+void AliZDC::SetTreeAddress(){
+ // Set branch address for the Trees.
+ // Inputs:
+ // none.
+ // Outputs:
+ // none.
+ // Return:
+ // none.
+ if (fLoader->TreeH() && (fHits == 0x0))
+ fHits = new TClonesArray("AliZDCHit",1000);
+
+ AliDetector::SetTreeAddress();
+}
+