* provided "as is" without express or implied warranty. *
**************************************************************************/
-/*
-$Log$
-Revision 1.19 2001/03/26 09:10:23 coppedis
-Corrected bug in constructor (fIshunt has to be =1)
-
-Revision 1.18 2001/03/20 08:21:55 coppedis
-ZDC needs PIPE, ABSO, DIPO and SHIL
-
-Revision 1.17 2001/03/16 16:18:03 coppedis
-Correction for superposition of ZDC volumes with MUON arm one
-
-Revision 1.16 2001/03/15 16:01:11 coppedis
-Code review
-
-Revision 1.15 2001/01/26 19:56:27 hristov
-Major upgrade of AliRoot code
-
-Revision 1.14 2000/12/12 13:17:01 coppedis
-Minor corrections suggested by P. Hristov
-
-Revision 1.12 2000/12/01 08:19:01 coppedis
-Adding a message error if ZDC is constructed without DIPO
-
-Revision 1.11 2000/11/30 17:21:03 coppedis
-Introduce hit array fStHits reset only at the end of the event (for digitization)
-
-Revision 1.10 2000/11/22 11:32:58 coppedis
-Major code revision
-
-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 ZDCs //
-// 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 //
// //
///////////////////////////////////////////////////////////////////////////////
-#include <stdlib.h>
-
// --- ROOT system
#include <TBRIK.h>
-#include <TNode.h>
#include <TGeometry.h>
-#include <TFile.h>
+#include <TNode.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 "AliDetector.h"
-#include "AliCallf77.h"
-#include "AliConst.h"
#include "AliMC.h"
// Default constructor for the Zero Degree Calorimeter base class
//
- fIshunt = 1;
+ fIshunt = 1;
+ fNoShower = 0;
- fNhits = 0;
+ fHits = 0;
+ fNhits = 0;
- fNStHits = 0;
+ fDigits = 0;
+ fNdigits = 0;
- fNPrimaryHits = 0;
- fNoShower = 0;
}
//_____________________________________________________________________________
// Standard constructor for the Zero Degree Calorimeter base class
//
- // Check that DIPO is there (otherwise tracking is wrong!!!)
-
- AliModule* PIPE=gAlice->GetModule("PIPE");
- AliModule* ABSO=gAlice->GetModule("ABSO");
- AliModule* DIPO=gAlice->GetModule("DIPO");
- AliModule* SHIL=gAlice->GetModule("SHIL");
- if((!PIPE) || (!ABSO) || (!DIPO) || (!SHIL)) {
- Error("Constructor","ZDC needs PIPE, ABSO, DIPO and SHIL!!!\n");
- exit(1);
- }
-
- //
- // Allocate the array of hits
-
- fIshunt = 1;
+ fIshunt = 1;
+ fNoShower = 0;
+ // Allocate the hits array
fHits = new TClonesArray("AliZDCHit",1000);
- gAlice->AddHitList(fHits);
-
- fStHits = new TClonesArray("AliZDCHit",1000);
- fNStHits = 0;
+ gAlice->GetMCApp()->AddHitList(fHits);
- fNPrimaryHits = 0;
- fNoShower = 0;
+ fDigits = 0;
+ fNdigits = 0;
}
//____________________________________________________________________________
fIshunt = 0;
-// delete fHits;
-// if(fStHits){
-// fStHits->Delete();
-// delete fStHits;
-// fNStHits = 0;
-// }
-// delete fDigits;
}
//_____________________________________________________________________________
void AliZDC::AddHit(Int_t track, Int_t *vol, Float_t *hits)
static Float_t primKinEn, xImpact, yImpact, sFlag;
- AliZDCHit *newquad, *curevquad, *curprimquad;
+ AliZDCHit *newquad, *curprimquad;
newquad = new AliZDCHit(fIshunt, track, vol, hits);
-
- TClonesArray &lsthits = *fStHits;
TClonesArray &lhits = *fHits;
-
- Int_t i,j,kStHit = 1;
- for(i=0; i<fNStHits; i++){
- // If hits are equal (same track, same volume), sum them.
- curevquad = (AliZDCHit*) lsthits[i];
- kStHit = 1;
- if(*curevquad == *newquad){
- *curevquad = *curevquad+*newquad;
- kStHit = 0;
- }
- }
-
- 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;
- }
- }
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
}
- fNPrimaryHits += 1;
- 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);
}
+
+ 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;
+ }
+ }
//Otherwise create a new hit
new(lhits[fNhits]) AliZDCHit(newquad);
fNhits++;
- if(kStHit){
- new(lsthits[fNStHits]) AliZDCHit(newquad);
- fNStHits++;
- }
-
-// if(fDebug == 1){
-// printf("\n Primary Hits --------------------------------------------------------\n");
-// fHits->Print("");
-// printf("\n Event Hits --------------------------------------------------------\n");
-// fStHits->Print("");
-// }
-
delete newquad;
- }
-
-//_____________________________________________________________________________
-void AliZDC::ResetDigits()
-{
- //
- // Reset number of digits and the digits array
- //
-
- AliDetector::ResetDigits();
-// fNStHits = 0;
-// if(fStHits) fStHits->Clear();
}
//_____________________________________________________________________________
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);
+}
+
+//_____________________________________________________________________________
+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();
+}
+
+//_____________________________________________________________________________
+AliDigitizer* AliZDC::CreateDigitizer(AliRunDigitizer* manager) const
+{
+ // 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();
+}
+
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