CondFormats/DTObjects/src/DTSequentialLayerNumber.cc - master - githubmirror/cmssw

CondFormats/DTObjects/src/DTSequentialLayerNumber.cc

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29 май 2019, 08:24

29 май 2019, 08:245c96c3b

/*
 *  See header file for a description of this class.
 *
 *  $Date: 2010/04/30 16:20:08 $
 *  $Revision: 1.1 $
 *  \author Paolo Ronchese INFN Padova
 *
 */

//----------------------
// This Class' Header --
//----------------------
#include "CondFormats/DTObjects/interface/DTSequentialLayerNumber.h"

//-------------------------------
// Collaborating Class Headers --
//-------------------------------

//---------------
// C++ Headers --
//---------------

//-------------------
// Initializations --
//-------------------

namespace {
  constexpr int offsetChamber[] = {0, 0, 12, 24, 36};
  constexpr int layersPerSector = 44;
  constexpr int layersIn13Sectors = (layersPerSector * 12) + 8;
  constexpr int layersPerWheel = layersIn13Sectors + 8;
}  // namespace

//----------------
// Constructors --
//----------------
DTSequentialLayerNumber::DTSequentialLayerNumber() {}

//--------------
// Destructor --
//--------------
DTSequentialLayerNumber::~DTSequentialLayerNumber() {}

int DTSequentialLayerNumber::id(int wheel, int station, int sector, int superlayer, int layer) {
  wheel += 3;
  if (wheel <= 0)
    return -1;
  if (station <= 0)
    return -2;
  if (sector <= 0)
    return -3;
  if (superlayer <= 0)
    return -4;
  if (layer <= 0)
    return -5;

  int seqLayerNum = 0;

  if (wheel > 5)
    return -1;
  seqLayerNum += (wheel - 1) * layersPerWheel;

  if (sector > 14)
    return -2;
  if (sector > 12 && station < 4)
    return -2;
  if (sector > 13)
    seqLayerNum += layersIn13Sectors;
  else
    seqLayerNum += (sector - 1) * layersPerSector;

  if (station > 4)
    return -3;
  if (sector < 13)
    seqLayerNum += offsetChamber[station];

  if (superlayer > 3)
    return -4;
  if (layer > 4)
    return -5;
  if (superlayer != 2) {
    if (superlayer == 3)
      layer += 4;
  } else {
    if (station == 4)
      return -4;
    layer += 8;
  }

  return seqLayerNum + layer;
}

int DTSequentialLayerNumber::max() { return 5 * layersPerWheel; }