TRD/AliTRDarrayDictionary.cxx

   1 /*************************************************************************
   2 * Copyright(c) 1998-2008, 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: AliTRDarrayDictionary.cxx 25392 2008-04-23 19:40:29Z cblume $ */
  17
  18 /////////////////////////////////////////////////////////
  19 //                                                     //
  20 // Container Class for Dictionary Info                 //
  21 //                                                     //
  22 // Author:                                             //
  23 //   Hermes Leon Vargas (hleon@ikf.uni-frankfurt.de)   //
  24 //                                                     //
  25 /////////////////////////////////////////////////////////
  26
  27 #include <TArray.h>
  28
  29 #include "AliTRDarrayDictionary.h"
  30 #include "AliTRDfeeParam.h"
  31
  32 ClassImp(AliTRDarrayDictionary)
  33
  34 Short_t *AliTRDarrayDictionary::fgLutPadNumbering = 0x0;
  35
  36 //________________________________________________________________________________
  37 AliTRDarrayDictionary::AliTRDarrayDictionary()
  38                       :TObject()
  39                       ,fNdet(0)
  40                       ,fNrow(0)
  41                       ,fNcol(0)
  42                       ,fNumberOfChannels(0)
  43                       ,fNtime(0)
  44                       ,fNDdim(0)
  45                       ,fDictionary(0)
  46                       ,fFlag(kFALSE)
  47 {
  48   //
  49   // AliTRDarrayDictionary default contructor
  50   //
  51
  52   CreateLut();
  53
  54 }
  55
  56 //________________________________________________________________________________
  57 AliTRDarrayDictionary::AliTRDarrayDictionary(Int_t nrow, Int_t ncol, Int_t ntime)
  58                       :TObject()
  59                       ,fNdet(0)
  60                       ,fNrow(0)
  61                       ,fNcol(0)
  62                       ,fNumberOfChannels(0)
  63                       ,fNtime(0)
  64                       ,fNDdim(0)
  65                       ,fDictionary(0)
  66                       ,fFlag(kFALSE)
  67
  68 {
  69   //
  70   // AliTRDarrayDictionary contructor
  71   //
  72
  73   CreateLut();
  74   Allocate(nrow,ncol,ntime);
  75
  76 }
  77
  78 //________________________________________________________________________________
  79 AliTRDarrayDictionary::AliTRDarrayDictionary(const AliTRDarrayDictionary &a)
  80                       :TObject()
  81                       ,fNdet(a.fNdet)
  82                       ,fNrow(a.fNrow)
  83                       ,fNcol(a.fNcol)
  84                       ,fNumberOfChannels(a.fNumberOfChannels)
  85                       ,fNtime(a.fNtime)
  86                       ,fNDdim(a.fNDdim)
  87                       ,fDictionary(0)
  88                       ,fFlag(a.fFlag)
  89 {
  90   //
  91   // AliTRDarrayDictionary copy constructor
  92   //
  93
  94   fDictionary = new Int_t[fNDdim];
  95   for(Int_t i=0; i<fNDdim; i++)
  96     {
  97       fDictionary[i]=a.fDictionary[i];
  98     }
  99
 100 }
 101
 102 //________________________________________________________________________________
 103 AliTRDarrayDictionary::~AliTRDarrayDictionary()
 104 {
 105   //
 106   //   AliTRDarrayDictionary destructor
 107   //
 108
 109   if(fDictionary)
 110     {
 111       delete [] fDictionary;
 112       fDictionary=0;
 113     }
 114
 115 }
 116
 117 //________________________________________________________________________________
 118 AliTRDarrayDictionary &AliTRDarrayDictionary::operator=(const AliTRDarrayDictionary &a)
 119 {
 120   //
 121   // Assignment operator
 122   //
 123
 124   if(this==&a)
 125     {
 126       return *this;
 127     }
 128
 129   if(fDictionary)
 130     {
 131       delete [] fDictionary;
 132     }
 133   fNdet=a.fNdet;
 134   fNDdim=a.fNDdim;
 135   fNrow=a.fNrow;
 136   fNcol=a.fNcol;
 137   fNumberOfChannels = a.fNumberOfChannels;
 138   fNtime=a.fNtime;
 139   fDictionary = new Int_t[fNDdim];
 140   for(Int_t i=0; i<fNDdim; i++)
 141     {
 142       fDictionary[i]=a.fDictionary[i];
 143     }
 144   fFlag=a.fFlag;
 145   return *this;
 146
 147 }
 148
 149 //________________________________________________________________________________
 150 void AliTRDarrayDictionary::Allocate(Int_t nrow, Int_t ncol, Int_t ntime)
 151 {
 152   //
 153   // Allocates memory for the dictionary array with dimensions
 154   // Row*NumberOfNecessaryMCMs*ADCchannelsInMCM*Time
 155   // To be consistent with AliTRDarrayADC
 156   // Object initialized to -1
 157   //
 158
 159   fNrow=nrow;
 160   fNcol=ncol;
 161   fNtime=ntime;
 162   Int_t adcchannelspermcm = AliTRDfeeParam::GetNadcMcm();
 163   Int_t padspermcm = AliTRDfeeParam::GetNcolMcm();
 164   Int_t numberofmcms = fNcol/padspermcm;
 165   fNumberOfChannels = numberofmcms*adcchannelspermcm;
 166   fNDdim=nrow*fNumberOfChannels*ntime;
 167   if(fDictionary)
 168     {
 169       delete [] fDictionary;
 170       fDictionary=0;
 171     }
 172   fDictionary = new Int_t[fNDdim];
 173   memset(fDictionary,-1,sizeof(Int_t)*fNDdim);
 174
 175 }
 176
 177 //________________________________________________________________________________
 178 void AliTRDarrayDictionary::Compress()
 179 {
 180   //
 181   // Compress the array
 182   //
 183
 184
 185   //  AliDebug(1,"Compressing");
 186   Int_t counter=0;
 187   Int_t newDim=0;
 188   Int_t j;
 189   Int_t r=0;
 190   Int_t k=0;
 191
 192   Int_t *longArr = new Int_t[fNDdim];
 193
 194   if(longArr)
 195     {
 196
 197       memset(longArr,0,sizeof(Int_t)*fNDdim);
 198
 199       for(Int_t i=0;i<fNDdim; i++)
 200         {
 201           j=0;
 202           if(fDictionary[i]==-1)
 203             {
 204               for(k=i;k<fNDdim;k++)
 205                 {
 206                   if(fDictionary[k]==-1)
 207                     {
 208                       j=j+1;
 209                       longArr[r]=j;
 210                     }
 211                   else
 212                     {
 213                       break;
 214                     }
 215                 }
 216               r=r+1;
 217             }
 218           i=i+j;
 219         }
 220
 221       //Calculate the size of the compressed array
 222       for(Int_t i=0; i<fNDdim;i++)
 223         {
 224           if(longArr[i]!=0)
 225             {
 226               counter=counter+longArr[i]-1;
 227             }
 228         }
 229       newDim=fNDdim-counter;   //Size of the compressed array
 230
 231       //Fill the buffer of the compressed array
 232       Int_t* buffer = new Int_t[newDim];
 233       Int_t counterTwo=0;
 234       Int_t g=0;
 235       if(buffer)
 236         {
 237           for(Int_t i=0; i<newDim; i++)
 238             {
 239               if(counterTwo<fNDdim)
 240                 {
 241                   if(fDictionary[counterTwo]!=-1)
 242                     {
 243                       buffer[i]=fDictionary[counterTwo];
 244                     }
 245                   if(fDictionary[counterTwo]==-1)
 246                     {
 247                       buffer[i]=-(longArr[g]);
 248                       counterTwo=counterTwo+longArr[g]-1;
 249                       g++;
 250                     }
 251                   counterTwo++;
 252                 }
 253             }
 254
 255           //Copy the buffer
 256           if(fDictionary)
 257             {
 258               delete [] fDictionary;
 259               fDictionary=0;
 260             }
 261           fDictionary = buffer;
 262           fNDdim = newDim;
 263         }
 264
 265       delete [] longArr;
 266       longArr=0;
 267     }
 268   fFlag=kTRUE; // flag to signal compression
 269
 270 }
 271
 272 //________________________________________________________________________________
 273 void AliTRDarrayDictionary::Expand()
 274 {
 275   //
 276   //  Expand the array
 277   //
 278
 279   Int_t dimexp=0;
 280   if(!IsCompressed())
 281     return;
 282
 283   if(fDictionary&&fNDdim==1)
 284     {
 285       dimexp = -fDictionary[0];
 286       delete [] fDictionary;
 287       fDictionary=0;
 288       fDictionary = new Int_t[dimexp];
 289       fNDdim = dimexp;
 290       // Re-initialize the array
 291       memset(fDictionary,-1,sizeof(Int_t)*dimexp);
 292       return;
 293     }
 294
 295   Int_t *longArr = new Int_t[fNDdim];
 296   if(longArr && fDictionary)
 297     {
 298       //Initialize the array
 299       memset(longArr,0,sizeof(Int_t)*fNDdim);
 300
 301       Int_t r2=0;
 302       for(Int_t i=0; i<fNDdim;i++)
 303         {
 304           if((fDictionary[i]<0)&&(fDictionary[i]!=-1))
 305             {
 306               longArr[r2]=-fDictionary[i];
 307               r2++;
 308             }
 309         }
 310
 311       //Calculate new dimensions
 312       for(Int_t i=0; i<fNDdim;i++)
 313         {
 314           if(longArr[i]!=0)
 315             dimexp=dimexp+longArr[i]-1;
 316           if(longArr[i]==0)
 317             break;
 318         }
 319       dimexp=dimexp+fNDdim;
 320
 321       //Write in the buffer the new array
 322       Int_t contaexp =0;
 323       Int_t h=0;
 324       Int_t* bufferE = new Int_t[dimexp];
 325       memset(bufferE,-1,sizeof(Int_t)*dimexp);
 326
 327       if(bufferE)
 328         {
 329
 330           for(Int_t i=0; i<dimexp; i++)
 331             {
 332               if(fDictionary[contaexp]>=-1)
 333                 {
 334                   bufferE[i]=fDictionary[contaexp];
 335                 }
 336               if(fDictionary[contaexp]<-1)
 337                 {
 338                   i=i+longArr[h]-1;
 339                   h++;
 340                 }
 341               contaexp++;
 342             }
 343
 344           //Copy the buffer
 345           delete [] fDictionary;
 346           fDictionary=bufferE;
 347           fNDdim = dimexp;
 348         }
 349     }
 350   if (longArr)
 351     {
 352       delete [] longArr;
 353     }
 354
 355   fFlag=kFALSE; // flag to signal that is not compressed anymore
 356
 357 }
 358 //________________________________________________________________________________
 359 void AliTRDarrayDictionary::Reset()
 360 {
 361   //
 362   // Reset the array, the old contents are deleted
 363   // and the data array elements are set to zero.
 364   //
 365
 366   memset(fDictionary,0,sizeof(Int_t)*fNDdim);
 367
 368 }
 369 //________________________________________________________________________________
 370 Int_t AliTRDarrayDictionary::GetData(Int_t nrow, Int_t ncol, Int_t ntime) const
 371 {
 372   //
 373   // Get the data using the pad numbering.
 374   // To access data using the mcm scheme use instead
 375   // the method GetDataByAdcCol
 376   //
 377
 378   Int_t corrcolumn = fgLutPadNumbering[ncol];
 379
 380   return fDictionary[(nrow*fNumberOfChannels+corrcolumn)*fNtime+ntime];
 381
 382 }
 383 //________________________________________________________________________________
 384 void AliTRDarrayDictionary::SetData(Int_t nrow, Int_t ncol, Int_t ntime, Int_t value)
 385 {
 386   //
 387   // Set the data using the pad numbering.
 388   // To write data using the mcm scheme use instead
 389   // the method SetDataByAdcCol
 390   //
 391
 392   Int_t colnumb = fgLutPadNumbering[ncol];
 393
 394   fDictionary[(nrow*fNumberOfChannels+colnumb)*fNtime+ntime]=value;
 395
 396 }
 397
 398 //________________________________________________________________________________
 399 void AliTRDarrayDictionary::CreateLut()
 400 {
 401   //
 402   // Initializes the Look Up Table to relate
 403   // pad numbering and mcm channel numbering
 404   //
 405
 406   if(fgLutPadNumbering)  return;
 407
 408    fgLutPadNumbering = new Short_t[AliTRDfeeParam::GetNcol()];
 409    memset(fgLutPadNumbering,0,sizeof(Short_t)*AliTRDfeeParam::GetNcol());
 410
 411   for(Int_t mcm=0; mcm<8; mcm++)
 412     {
 413       Int_t lowerlimit=0+mcm*18;
 414       Int_t upperlimit=18+mcm*18;
 415       Int_t shiftposition = 1+3*mcm;
 416       for(Int_t index=lowerlimit;index<upperlimit;index++)
 417         {
 418           fgLutPadNumbering[index]= index+shiftposition;
 419         }
 420     }
 421 }