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5990c064 | 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 | ||
88cb7938 | 16 | /* $Id$ */ |
5990c064 | 17 | |
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // TRD raw data conversion class // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
a2cb5b3d | 24 | #include <Riostream.h> |
5990c064 | 25 | |
26 | #include "AliTRDrawData.h" | |
27 | #include "AliTRDdigitsManager.h" | |
28 | #include "AliTRDgeometryFull.h" | |
29 | #include "AliTRDparameter.h" | |
30 | #include "AliTRDdataArrayI.h" | |
b864d801 | 31 | #include "AliTRDRawStream.h" |
32 | #include "AliRawDataHeader.h" | |
5990c064 | 33 | |
34 | ClassImp(AliTRDrawData) | |
35 | ||
36 | //_____________________________________________________________________________ | |
37 | AliTRDrawData::AliTRDrawData():TObject() | |
38 | { | |
b864d801 | 39 | // |
40 | // Default constructor | |
41 | // | |
5990c064 | 42 | |
43 | fDebug = 0; | |
5990c064 | 44 | |
45 | } | |
46 | ||
47 | //_____________________________________________________________________________ | |
b864d801 | 48 | AliTRDrawData::AliTRDrawData(const AliTRDrawData &r):TObject() |
5990c064 | 49 | { |
50 | // | |
51 | // AliTRDrawData copy constructor | |
52 | // | |
53 | ||
54 | ((AliTRDrawData &) r).Copy(*this); | |
55 | ||
56 | } | |
57 | ||
58 | //_____________________________________________________________________________ | |
59 | AliTRDrawData::~AliTRDrawData() | |
60 | { | |
61 | // | |
62 | // Destructor | |
63 | // | |
64 | ||
5990c064 | 65 | } |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliTRDrawData &AliTRDrawData::operator=(const AliTRDrawData &r) | |
69 | { | |
70 | // | |
71 | // Assignment operator | |
72 | // | |
73 | ||
74 | if (this != &r) ((AliTRDrawData &) r).Copy(*this); | |
75 | return *this; | |
76 | ||
77 | } | |
78 | ||
79 | //_____________________________________________________________________________ | |
80 | void AliTRDrawData::Copy(TObject &r) | |
81 | { | |
82 | // | |
83 | // Copy function | |
84 | // | |
85 | ||
86 | ((AliTRDrawData &) r).fDebug = fDebug; | |
5990c064 | 87 | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
b864d801 | 91 | Bool_t AliTRDrawData::Digits2Raw(TTree *digitsTree) |
5990c064 | 92 | { |
93 | // | |
94 | // Convert the digits to raw data byte stream. The output is written | |
b864d801 | 95 | // into the the binary files TRD_<DDL number>.ddl. |
5990c064 | 96 | // |
97 | // The pseudo raw data format is currently defined like this: | |
98 | // | |
b864d801 | 99 | // DDL data header |
5990c064 | 100 | // |
101 | // Subevent (= single chamber) header (8 bytes) | |
102 | // FLAG | |
103 | // Detector number (2 bytes) | |
104 | // Number of data bytes (2 bytes) | |
105 | // Number of pads with data (2 bytes) | |
106 | // 1 empty byte | |
107 | // | |
108 | // Data bank | |
109 | // | |
110 | ||
b864d801 | 111 | const Int_t kNumberOfDDLs = 18; |
5990c064 | 112 | const Int_t kSubeventHeaderLength = 8; |
5990c064 | 113 | const Int_t kSubeventDummyFlag = 0xBB; |
5990c064 | 114 | int headerSubevent[2]; |
115 | ||
b864d801 | 116 | ofstream *outputFile[kNumberOfDDLs]; |
117 | UInt_t bHPosition[kNumberOfDDLs]; | |
118 | Int_t ntotalbyte[kNumberOfDDLs]; | |
5990c064 | 119 | Int_t nbyte = 0; |
120 | Int_t npads = 0; | |
b864d801 | 121 | unsigned char *bytePtr; |
122 | unsigned char *headerPtr; | |
5990c064 | 123 | |
b864d801 | 124 | AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager(); |
125 | digitsManager->SetDebug(fDebug); | |
5990c064 | 126 | |
127 | // Read in the digit arrays | |
b864d801 | 128 | if (!digitsManager->ReadDigits(digitsTree)) { |
129 | delete digitsManager; | |
5990c064 | 130 | return kFALSE; |
131 | } | |
132 | ||
b864d801 | 133 | AliTRDgeometryFull *geo = new AliTRDgeometryFull(); |
134 | AliTRDparameter *par = new AliTRDparameter("TRDparameter" | |
135 | ,"TRD parameter class"); | |
136 | AliTRDdataArrayI *digits; | |
5990c064 | 137 | |
b864d801 | 138 | // the event header |
139 | AliRawDataHeader header; | |
5990c064 | 140 | |
b864d801 | 141 | // Open the output files |
142 | for (Int_t iDDL = 0; iDDL < kNumberOfDDLs; iDDL++) { | |
143 | char name[20]; | |
144 | sprintf(name, "TRD_%d.ddl", iDDL + AliTRDRawStream::kDDLOffset); | |
145 | #ifndef __DECCXX | |
146 | outputFile[iDDL] = new ofstream(name, ios::binary); | |
147 | #else | |
148 | outputFile[iDDL] = new ofstream(name); | |
149 | #endif | |
150 | ||
151 | // Write a dummy data header | |
152 | bHPosition[iDDL] = outputFile[iDDL]->tellp(); | |
153 | outputFile[iDDL]->write((char*)(&header),sizeof(header)); | |
154 | ntotalbyte[iDDL] = 0; | |
5990c064 | 155 | } |
156 | ||
157 | // Loop through all detectors | |
158 | for (Int_t det = 0; det < AliTRDgeometry::Ndet(); det++) { | |
159 | ||
160 | Int_t cham = geo->GetChamber(det); | |
161 | Int_t plan = geo->GetPlane(det); | |
162 | Int_t sect = geo->GetSector(det); | |
163 | Int_t rowMax = par->GetRowMax(plan,cham,sect); | |
164 | Int_t colMax = par->GetColMax(plan); | |
165 | Int_t timeMax = par->GetTimeMax(); | |
166 | Int_t bufferMax = rowMax*colMax*timeMax; | |
167 | int *buffer = new int[bufferMax]; | |
168 | ||
b864d801 | 169 | npads = 0; |
170 | nbyte = 0; | |
171 | bytePtr = (unsigned char *) buffer; | |
5990c064 | 172 | |
b864d801 | 173 | Int_t iDDL = sect; |
5990c064 | 174 | |
175 | // Get the digits array | |
b864d801 | 176 | digits = digitsManager->GetDigits(det); |
5990c064 | 177 | digits->Expand(); |
178 | ||
179 | // Loop through the detector pixel | |
180 | for (Int_t col = 0; col < colMax; col++) { | |
181 | for (Int_t row = 0; row < rowMax; row++) { | |
182 | ||
183 | // Check whether data exists for this pad | |
184 | Bool_t dataflag = kFALSE; | |
185 | for (Int_t time = 0; time < timeMax; time++) { | |
186 | Int_t data = digits->GetDataUnchecked(row,col,time); | |
187 | if (data) { | |
188 | dataflag = kTRUE; | |
189 | break; | |
190 | } | |
191 | } | |
192 | ||
193 | if (dataflag) { | |
194 | ||
195 | npads++; | |
196 | ||
197 | // The pad row number | |
b864d801 | 198 | *bytePtr++ = row + 1; |
5990c064 | 199 | // The pad column number |
b864d801 | 200 | *bytePtr++ = col + 1; |
5990c064 | 201 | nbyte += 2; |
202 | ||
203 | Int_t nzero = 0; | |
204 | for (Int_t time = 0; time < timeMax; time++) { | |
205 | ||
206 | Int_t data = digits->GetDataUnchecked(row,col,time); | |
207 | ||
208 | if (!data) { | |
209 | nzero++; | |
210 | if ((nzero == 256) || | |
211 | (time == timeMax-1)) { | |
b864d801 | 212 | *bytePtr++ = 0; |
213 | *bytePtr++ = nzero-1; | |
5990c064 | 214 | nbyte += 2; |
215 | nzero = 0; | |
216 | } | |
217 | } | |
218 | else { | |
219 | if (nzero) { | |
b864d801 | 220 | *bytePtr++ = 0; |
221 | *bytePtr++ = nzero-1; | |
5990c064 | 222 | nbyte += 2; |
223 | nzero = 0; | |
224 | } | |
225 | // High byte (MSB always set) | |
b864d801 | 226 | *bytePtr++ = ((data >> 8) | 128); |
5990c064 | 227 | // Low byte |
b864d801 | 228 | *bytePtr++ = (data & 0xff); |
5990c064 | 229 | nbyte += 2; |
230 | } | |
231 | ||
232 | } | |
233 | ||
234 | } | |
235 | ||
236 | } | |
237 | ||
238 | } | |
239 | ||
240 | // Fill the end of the buffer with zeros | |
241 | while (nbyte % 4) { | |
b864d801 | 242 | *bytePtr++ = 0; |
5990c064 | 243 | nbyte++; |
244 | } | |
245 | ||
246 | if (fDebug > 1) { | |
b864d801 | 247 | Info("Digits2Raw","det = %d, nbyte = %d (%d)",det,nbyte,bufferMax); |
5990c064 | 248 | } |
249 | ||
250 | // Write the subevent header | |
b864d801 | 251 | bytePtr = (unsigned char *) headerSubevent; |
252 | headerPtr = bytePtr; | |
253 | *bytePtr++ = kSubeventDummyFlag; | |
254 | *bytePtr++ = (det & 0xff); | |
255 | *bytePtr++ = (det >> 8); | |
256 | *bytePtr++ = (nbyte & 0xff); | |
257 | *bytePtr++ = (nbyte >> 8); | |
258 | *bytePtr++ = (npads & 0xff); | |
259 | *bytePtr++ = (npads >> 8); | |
260 | *bytePtr++ = 0; | |
261 | outputFile[iDDL]->write((char*)headerPtr,kSubeventHeaderLength); | |
5990c064 | 262 | |
263 | // Write the buffer to the file | |
b864d801 | 264 | bytePtr = (unsigned char *) buffer; |
265 | outputFile[iDDL]->write((char*)bytePtr,nbyte); | |
5990c064 | 266 | |
b864d801 | 267 | ntotalbyte[iDDL] += nbyte + kSubeventHeaderLength; |
5990c064 | 268 | |
269 | delete buffer; | |
270 | ||
271 | } | |
272 | ||
273 | if (fDebug) { | |
b864d801 | 274 | for (Int_t iDDL = 0; iDDL < kNumberOfDDLs; iDDL++) { |
275 | Info("Digits2Raw","Total size: DDL %d = %d",iDDL,ntotalbyte[iDDL]); | |
276 | } | |
5990c064 | 277 | } |
278 | ||
b864d801 | 279 | // Update the data headers and close the output files |
280 | for (Int_t iDDL = 0; iDDL < kNumberOfDDLs; iDDL++) { | |
281 | header.fSize = UInt_t(outputFile[iDDL]->tellp()) - bHPosition[iDDL]; | |
282 | header.SetAttribute(0); // valid data | |
283 | outputFile[iDDL]->seekp(bHPosition[iDDL]); | |
284 | outputFile[iDDL]->write((char*)(&header),sizeof(header)); | |
285 | ||
286 | outputFile[iDDL]->close(); | |
287 | delete outputFile[iDDL]; | |
288 | } | |
5990c064 | 289 | |
290 | delete geo; | |
291 | delete par; | |
b864d801 | 292 | delete digitsManager; |
5990c064 | 293 | |
294 | return kTRUE; | |
295 | ||
296 | } | |
297 | ||
298 | //_____________________________________________________________________________ | |
b864d801 | 299 | AliTRDdigitsManager* AliTRDrawData::Raw2Digits(AliRawReader* rawReader) |
5990c064 | 300 | { |
b864d801 | 301 | // |
302 | // Read the raw data digits and put them into the returned digits manager | |
303 | // | |
5990c064 | 304 | |
5990c064 | 305 | AliTRDdataArrayI *digits = 0; |
306 | ||
307 | AliTRDgeometryFull *geo = new AliTRDgeometryFull(); | |
308 | AliTRDparameter *par = new AliTRDparameter("TRDparameter" | |
309 | ,"TRD parameter class"); | |
310 | ||
311 | // Create the digits manager | |
b864d801 | 312 | AliTRDdigitsManager* digitsManager = new AliTRDdigitsManager(); |
313 | digitsManager->SetDebug(fDebug); | |
314 | digitsManager->CreateArrays(); | |
5990c064 | 315 | |
b864d801 | 316 | AliTRDRawStream input(rawReader); |
5990c064 | 317 | |
b864d801 | 318 | // Loop through the digits |
319 | while (input.Next()) { | |
5990c064 | 320 | |
b864d801 | 321 | Int_t det = input.GetDetector(); |
322 | Int_t npads = input.GetNPads(); | |
5990c064 | 323 | |
b864d801 | 324 | if (input.IsNewDetector()) { |
325 | ||
326 | if (digits) digits->Compress(1,0); | |
5990c064 | 327 | |
5990c064 | 328 | if (fDebug > 2) { |
b864d801 | 329 | Info("Raw2Digits","Subevent header:"); |
330 | Info("Raw2Digits","\tdet = %d",det); | |
331 | Info("Raw2Digits","\tnpads = %d",npads); | |
5990c064 | 332 | } |
333 | ||
334 | // Create the data buffer | |
335 | Int_t cham = geo->GetChamber(det); | |
336 | Int_t plan = geo->GetPlane(det); | |
337 | Int_t sect = geo->GetSector(det); | |
338 | Int_t rowMax = par->GetRowMax(plan,cham,sect); | |
339 | Int_t colMax = par->GetColMax(plan); | |
340 | Int_t timeMax = par->GetTimeMax(); | |
5990c064 | 341 | |
342 | // Add a container for the digits of this detector | |
b864d801 | 343 | digits = digitsManager->GetDigits(det); |
5990c064 | 344 | // Allocate memory space for the digits buffer |
345 | if (digits->GetNtime() == 0) { | |
346 | digits->Allocate(rowMax,colMax,timeMax); | |
347 | } | |
348 | ||
5990c064 | 349 | } |
b864d801 | 350 | digits->SetDataUnchecked(input.GetRow(),input.GetColumn(), |
351 | input.GetTime(),input.GetSignal()); | |
5990c064 | 352 | } |
353 | ||
b864d801 | 354 | if (digits) digits->Compress(1,0); |
355 | ||
5990c064 | 356 | delete geo; |
357 | delete par; | |
358 | ||
b864d801 | 359 | return digitsManager; |
5990c064 | 360 | |
361 | } |