Make use of new method AliRawReader::GetNumberOfEvents() - goinf to the last event...

[u/mrichter/AliRoot.git] / TRD / AliTRDtrackingSector.cxx

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* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *\r
*                                                                        *\r
* Author: The ALICE Off-line Project.                                    *\r
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* documentation strictly for non-commercial purposes is hereby granted   *\r
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* appear in the supporting documentation. The authors make no claims     *\r
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**************************************************************************/\r
\r
/* $Id: AliTRDtrackingSector.cxx 23810 2008-02-08 09:00:27Z hristov $ */\r
\r
///////////////////////////////////////////////////////////////////////////////\r
//                                                                           //\r
//  Tracking data container for one sector                                   //\r
//                                                                           //\r
//  Authors:                                                                 //\r
//    Alex Bercuci <A.Bercuci@gsi.de>                                        //\r
//    Markus Fasel <M.Fasel@gsi.de>                                          //\r
//                                                                           //\r
///////////////////////////////////////////////////////////////////////////////\r
\r
#include "AliTRDtrackingSector.h"\r
#include "AliTRDcalibDB.h"\r
#include "AliTRDCommonParam.h"\r
#include "AliTRDgeometry.h"\r
#include "AliTRDpadPlane.h"\r
#include "AliTRDtrackingChamber.h"\r
\r
ClassImp(AliTRDtrackingSector)\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingSector::AliTRDtrackingSector()\r
  :fSector(-1)\r
  ,fN(0)\r
  ,fGeom(0x0)\r
{\r
  // Default constructor\r
  \r
  for(int ic=0; ic<kNChambersSector; ic++){\r
    fChamber[ic] = 0x0;\r
    fIndex[ic]   = -1;\r
  }\r
  for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;\r
}\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingSector::AliTRDtrackingSector(AliTRDgeometry *geo, Int_t gs)\r
  :fSector(gs)\r
  ,fN(0)\r
  ,fGeom(geo)\r
{\r
  //\r
  // AliTRDtrackingSector Constructor\r
  //\r
\r
  for(int ic=0; ic<kNChambersSector; ic++){\r
    fChamber[ic] = 0x0;\r
    fIndex[ic]   = -1;\r
  }\r
  for(int il=0; il<AliTRDgeometry::kNlayer; il++) fX0[il] = 0.;\r
}\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingSector::AliTRDtrackingSector(const AliTRDtrackingSector &/*t*/)\r
  :fSector(-1)\r
  ,fN(0)\r
  ,fGeom(0x0)\r
{\r
  //\r
  // Copy constructor\r
  //\r
\r
}\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingSector::~AliTRDtrackingSector()\r
{\r
  //\r
  // Destructor\r
  //\r
\r
}\r
    \r
//_____________________________________________________________________________\r
void AliTRDtrackingSector::Init(const AliTRDReconstructor *rec)\r
{		\r
// 	Steer building of tracking chambers and build tracking sector.\r
// 	Propagate radial position information (calibration/alignment aware) from chambers to sector level\r
//\r
  \r
  AliTRDchamberTimeBin *tb = 0x0;\r
  AliTRDtrackingChamber *tc = 0x0; int ic = 0; \r
  while((ic<kNChambersSector) && (tc = fChamber[ic++])){\r
    for(Int_t itb=0; itb<AliTRDtrackingChamber::kNTimeBins; itb++){\r
      if(!(tb = tc->GetTB(itb))) continue;\r
      tb->SetReconstructor(rec);\r
    }\r
    tc->Build(fGeom);\r
  }\r
    \r
  Int_t nl;\r
  for(int il=0; il<AliTRDgeometry::kNlayer; il++){\r
    fX0[il] = 0.; nl = 0;\r
    for(int is=0; is<AliTRDgeometry::kNstack; is++){\r
      Int_t idx = is*AliTRDgeometry::kNlayer + il;\r
      if(fIndex[idx]<0) continue;\r
      tc = GetChamber(fIndex[idx]);\r
      fX0[il] += tc->GetX(); nl++; \r
    }\r
    if(!nl){\r
      //printf("Could not estimate radial position  of plane %d in sector %d.\n", ip, fSector);\r
      continue;\r
    }\r
    fX0[il] /= Float_t(nl);\r
  }\r
}\r
\r
\r
\r
//_____________________________________________________________________________\r
void AliTRDtrackingSector::Clear(const Option_t *opt)\r
{\r
// Reset counters and steer chamber clear\r
\r
  for(Int_t ich=0; ich<fN; ich++){ \r
    fChamber[ich]->Clear(opt);\r
    delete fChamber[ich]; fChamber[ich] = 0x0;   // I would avoid\r
  }	\r
  for(Int_t ich=0; ich<kNChambersSector; ich++) fIndex[ich] = -1;\r
  fN = 0;\r
}\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingChamber* AliTRDtrackingSector::GetChamber(Int_t stack, Int_t layer, Bool_t build)\r
{\r
// Return chamber at position (stack, plane) in current \r
// sector or build a new one if it is not already created\r
  \r
  Int_t ch = stack*AliTRDgeometry::kNlayer + layer;\r
  if(fIndex[ch] >= 0) return fChamber[Int_t(fIndex[ch])];\r
  else if(!build) return 0x0;\r
  \r
  // CHAMBER HAS TO BE BUILD\r
  Int_t rch = ch;do rch--; while(rch>=0 && fIndex[rch]<0);\r
  fIndex[ch] = rch >=0 ? fIndex[rch]+1 : 0; \r
  fN++;\r
  \r
  memmove(&fChamber[Int_t(fIndex[ch])+1], &fChamber[Int_t(fIndex[ch])], (kNChambersSector-fIndex[ch]-1)*sizeof(void*));\r
  for(Int_t ic = ch+1; ic<kNChambersSector; ic++) fIndex[ic] += fIndex[ic] >= 0 ? 1 : 0;\r
  \r
  return fChamber[Int_t(fIndex[ch])] = new AliTRDtrackingChamber(AliTRDgeometry::GetDetector(layer, stack, fSector));\r
}\r
\r
//_____________________________________________________________________________\r
AliTRDtrackingChamber** AliTRDtrackingSector::GetStack(Int_t stack)\r
{\r
// Return chamber at position (stack, plane) in current \r
// sector or build a new one if it is not already created\r
  \r
  if(stack<0 || stack>=AliTRDgeometry::kNstack) return 0x0;\r
  \r
  Int_t ich, n = 0;\r
  for(int il=0; il<AliTRDgeometry::kNlayer; il++){\r
    ich = stack*AliTRDgeometry::kNlayer + il;\r
    if(fIndex[ich] < 0) fStack[il] = 0x0; \r
    else{\r
      fStack[il] = fChamber[Int_t(fIndex[ich])];\r
      n++;\r
    }\r
  }\r
  \r
  return n ? &fStack[0] : 0x0;\r
}\r
\r
//_____________________________________________________________________________\r
void AliTRDtrackingSector::Print(Option_t *)\r
{\r
// Dump info about this tracking sector and the tracking chamber within\r
// \r
\r
  printf("\tSector %2d\n", fSector);\r
  for(int il=0; il<6; il++){\r
    for(int is =0; is<5; is++){\r
      Int_t ch = is*AliTRDgeometry::kNlayer + il;\r
      printf("%2d[%2d] ", fIndex[ch], fIndex[ch]>=0 ? fChamber[Int_t(fIndex[ch])]->GetNClusters() : 0);\r
    }\r
    printf("\n");\r
  }\r
\r
}\r