1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 ///////////////////////////////////////////////////////////////////////////////
20 /// This class provides access to PHOS/EMCAL digits in raw data.
22 /// It loops over all PHOS/EMCAL digits in the raw data given by the AliRawReader.
23 /// The Next method goes to the next digit. If there are no digits left
24 /// it returns kFALSE.
25 /// Several getters provide information about the current digit.
27 /// root > AliRawReaderFile rawReader ;
28 /// root > AliCaloRawStream input(&rawReader) ;
29 /// root > while (input.Next()) .....
31 ///Modification: Class exported from PHOS to be used by EMCAL and PHOS
32 ///November 2006 Gustavo Conesa Balbastre
33 ///////////////////////////////////////////////////////////////////////////////
38 #include "AliCaloRawStream.h"
39 #include "AliRawReader.h"
40 #include "AliCaloAltroMapping.h"
42 ClassImp(AliCaloRawStream)
45 //_____________________________________________________________________________
46 AliCaloRawStream::AliCaloRawStream(AliRawReader* rawReader, TString calo, AliAltroMapping **mapping) :
47 AliAltroRawStream(rawReader),
59 fExternalMapping(kFALSE)
61 // create an object to read PHOS/EMCAL raw digits
64 // PHOS and EMCAL have differen number of RCU per module
69 TString sides[]={"A","C"};
70 if(fCalo == "EMCAL") {
75 if (mapping == NULL) {
76 TString path = gSystem->Getenv("ALICE_ROOT");
77 path += "/"+fCalo+"/mapping/RCU";
79 for(Int_t j = 0; j < fNSides; j++){
80 for(Int_t i = 0; i < fNRCU; i++) {
83 if(fCalo == "EMCAL") path2 += sides[j];
85 //printf("AliCaloRawStream::RCU: %s\n",path2.Data());
86 fMapping[j*fNRCU+ i] = new AliCaloAltroMapping(path2.Data());
91 fExternalMapping = kTRUE;
92 //printf("AliCaloRawStream::External mapping N: RCU %d, sides %d \n", fNRCU,fNSides);
93 for(Int_t i = 0; i < fNRCU*fNSides; i++)
94 fMapping[i] = mapping[i];
99 //_____________________________________________________________________________
100 AliCaloRawStream::AliCaloRawStream(const AliCaloRawStream& stream) :
101 AliAltroRawStream(stream),
113 fExternalMapping(kFALSE)
115 Fatal("AliCaloRawStream", "copy constructor not implemented");
118 //_____________________________________________________________________________
119 AliCaloRawStream& AliCaloRawStream::operator = (const AliCaloRawStream&
122 Fatal("operator =", "assignment operator not implemented");
126 //_____________________________________________________________________________
127 AliCaloRawStream::~AliCaloRawStream()
131 if (!fExternalMapping)
132 for(Int_t i = 0; i < fNRCU*fNSides; i++)
136 //_____________________________________________________________________________
137 void AliCaloRawStream::Reset()
139 // reset phos/emcal raw stream params
140 AliAltroRawStream::Reset();
141 fModule = fPrevModule = fRow = fPrevRow = fColumn = fPrevColumn = -1;
142 fFilter = fCaloFlag = 0;
146 //_____________________________________________________________________________
147 Bool_t AliCaloRawStream::Next()
149 // Read next PHOS/EMCAL signal
150 // Apply the PHOS/EMCAL altro mapping to get
151 // the module,row and column indeces
152 fPrevModule = fModule;
154 fPrevColumn = fColumn;
155 if (AliAltroRawStream::Next()) {
156 if (IsNewHWAddress()) {
158 if ( fFilter > 0 ) { // some data should be filtered out
159 if ( (fFilter & (1<<fCaloFlag)) != 0) {
160 // this particular data should be filtered out
161 Next(); // go to the next address instead
171 //_____________________________________________________________________________
172 void AliCaloRawStream::ApplyAltroMapping()
174 // Take the DDL index, load
175 // the corresponding altro mapping
176 // object and fill the sector,row and pad indeces
177 Int_t ddlNumber = GetDDLNumber();
178 fModule = ddlNumber / fNRCU;
180 Int_t rcuIndex = ddlNumber % fNRCU;
182 if(fCalo=="EMCAL"){ // EMCAL may need to increase RCU index for the maps
183 if (fModule%2 == 1) { rcuIndex += 2; } // other='C' side maps
186 Short_t hwAddress = GetHWAddress();
187 fRow = fMapping[rcuIndex]->GetPadRow(hwAddress);
188 fColumn = fMapping[rcuIndex]->GetPad(hwAddress);
189 fCaloFlag = fMapping[rcuIndex]->GetSector(hwAddress);