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1 | /************************************************************************** | |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | /// | |
20 | /// This class provides access to PHOS/EMCAL digits in raw data. | |
21 | /// | |
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. | |
26 | /// usage: | |
27 | /// root > AliRawReaderFile rawReader ; | |
28 | /// root > AliCaloRawStream input(&rawReader) ; | |
29 | /// root > while (input.Next()) ..... | |
30 | /// | |
31 | ///Modification: Class exported from PHOS to be used by EMCAL and PHOS | |
32 | ///November 2006 Gustavo Conesa Balbastre | |
33 | /////////////////////////////////////////////////////////////////////////////// | |
34 | ||
35 | #include <TString.h> | |
36 | #include <TSystem.h> | |
37 | ||
38 | #include "AliCaloRawStream.h" | |
39 | #include "AliRawReader.h" | |
40 | #include "AliCaloAltroMapping.h" | |
41 | ||
42 | ClassImp(AliCaloRawStream) | |
43 | ||
44 | ||
45 | //_____________________________________________________________________________ | |
46 | AliCaloRawStream::AliCaloRawStream(AliRawReader* rawReader, TString calo, AliAltroMapping **mapping) : | |
47 | AliAltroRawStream(rawReader), | |
48 | fModule(-1), | |
49 | fPrevModule(-1), | |
50 | fRow(-1), | |
51 | fPrevRow(-1), | |
52 | fColumn(-1), | |
53 | fPrevColumn(-1), | |
54 | fCaloFlag(0), | |
55 | fFilter(0), | |
56 | fNRCU(0), | |
57 | fNSides(0), | |
58 | fCalo(calo), | |
59 | fExternalMapping(kFALSE) | |
60 | { | |
61 | // create an object to read PHOS/EMCAL raw digits | |
62 | SelectRawData(calo); | |
63 | ||
64 | // PHOS and EMCAL have differen number of RCU per module | |
65 | //For PHOS | |
66 | fNRCU = 4; | |
67 | fNSides = 1; | |
68 | //For EMCAL | |
69 | TString sides[]={"A","C"}; | |
70 | if(fCalo == "EMCAL") { | |
71 | fNRCU = 2; | |
72 | fNSides = 2; | |
73 | } | |
74 | ||
75 | if (mapping == NULL) { | |
76 | TString path = gSystem->Getenv("ALICE_ROOT"); | |
77 | path += "/"+fCalo+"/mapping/RCU"; | |
78 | TString path2; | |
79 | for(Int_t j = 0; j < fNSides; j++){ | |
80 | for(Int_t i = 0; i < fNRCU; i++) { | |
81 | path2 = path; | |
82 | path2 += i; | |
83 | if(fCalo == "EMCAL") path2 += sides[j]; | |
84 | path2 += ".data"; | |
85 | //printf("AliCaloRawStream::RCU: %s\n",path2.Data()); | |
86 | fMapping[j*fNRCU+ i] = new AliCaloAltroMapping(path2.Data()); | |
87 | } | |
88 | } | |
89 | } | |
90 | else { | |
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]; | |
95 | ||
96 | } | |
97 | } | |
98 | ||
99 | //_____________________________________________________________________________ | |
100 | AliCaloRawStream::AliCaloRawStream(const AliCaloRawStream& stream) : | |
101 | AliAltroRawStream(stream), | |
102 | fModule(-1), | |
103 | fPrevModule(-1), | |
104 | fRow(-1), | |
105 | fPrevRow(-1), | |
106 | fColumn(-1), | |
107 | fPrevColumn(-1), | |
108 | fCaloFlag(0), | |
109 | fFilter(0), | |
110 | fNRCU(0), | |
111 | fNSides(0), | |
112 | fCalo(""), | |
113 | fExternalMapping(kFALSE) | |
114 | { | |
115 | Fatal("AliCaloRawStream", "copy constructor not implemented"); | |
116 | } | |
117 | ||
118 | //_____________________________________________________________________________ | |
119 | AliCaloRawStream& AliCaloRawStream::operator = (const AliCaloRawStream& | |
120 | /* stream */) | |
121 | { | |
122 | Fatal("operator =", "assignment operator not implemented"); | |
123 | return *this; | |
124 | } | |
125 | ||
126 | //_____________________________________________________________________________ | |
127 | AliCaloRawStream::~AliCaloRawStream() | |
128 | { | |
129 | // destructor | |
130 | ||
131 | if (!fExternalMapping) | |
132 | for(Int_t i = 0; i < fNRCU*fNSides; i++) | |
133 | delete fMapping[i]; | |
134 | } | |
135 | ||
136 | //_____________________________________________________________________________ | |
137 | void AliCaloRawStream::Reset() | |
138 | { | |
139 | // reset phos/emcal raw stream params | |
140 | AliAltroRawStream::Reset(); | |
141 | fModule = fPrevModule = fRow = fPrevRow = fColumn = fPrevColumn = -1; | |
142 | fFilter = fCaloFlag = 0; | |
143 | fCalo=""; | |
144 | } | |
145 | ||
146 | //_____________________________________________________________________________ | |
147 | Bool_t AliCaloRawStream::Next() | |
148 | { | |
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; | |
153 | fPrevRow = fRow; | |
154 | fPrevColumn = fColumn; | |
155 | if (AliAltroRawStream::Next()) { | |
156 | if (IsNewHWAddress()) { | |
157 | ApplyAltroMapping(); | |
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 | |
162 | } | |
163 | } | |
164 | } | |
165 | return kTRUE; | |
166 | } | |
167 | else | |
168 | return kFALSE; | |
169 | } | |
170 | ||
171 | //_____________________________________________________________________________ | |
172 | void AliCaloRawStream::ApplyAltroMapping() | |
173 | { | |
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; | |
179 | ||
180 | Int_t rcuIndex = ddlNumber % fNRCU; | |
181 | ||
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 | |
184 | } | |
185 | ||
186 | Short_t hwAddress = GetHWAddress(); | |
187 | fRow = fMapping[rcuIndex]->GetPadRow(hwAddress); | |
188 | fColumn = fMapping[rcuIndex]->GetPad(hwAddress); | |
189 | fCaloFlag = fMapping[rcuIndex]->GetSector(hwAddress); | |
190 | ||
191 | } |