CTPPSDetId.cc

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/****************************************************************************
 *
 * This is a part of TOTEM offline software.
 * Authors: 
 *  Hubert Niewiadomski
 *  Jan Kašpar (jan.kaspar@gmail.com) 
 *
 ****************************************************************************/


#include "DataFormats/CTPPSDetId/interface/CTPPSDetId.h"

#include "FWCore/Utilities/interface/Exception.h"

using namespace std;

//----------------------------------------------------------------------------------------------------

const uint32_t CTPPSDetId::startArmBit = 24, CTPPSDetId::maskArm = 0x1, CTPPSDetId::maxArm = 1, CTPPSDetId::lowMaskArm = 0xFFFFFF;
const uint32_t CTPPSDetId::startStationBit = 22, CTPPSDetId::maskStation = 0x3, CTPPSDetId::maxStation = 2, CTPPSDetId::lowMaskStation = 0x3FFFFF;
const uint32_t CTPPSDetId::startRPBit = 19, CTPPSDetId::maskRP = 0x7, CTPPSDetId::maxRP = 6, CTPPSDetId::lowMaskRP = 0x7FFFF;

const string CTPPSDetId::subDetectorNames[] = { "", "", "", "ctpps_tr_strip", "ctpps_tr_pixel", "ctpps_ti_diamond", "ctpps_ti_fastsilicon" };
const string CTPPSDetId::subDetectorPaths[] = { "", "", "", "CTPPS/TrackingStrip", "CTPPS/TrackingPixel", "CTPPS/TimingDiamond", "CTPPS/TimingFastSilicon" };
const string CTPPSDetId::armNames[] = { "45", "56" };
const string CTPPSDetId::stationNames[] = { "210", "220cyl", "220" };
const string CTPPSDetId::rpNames[] = { "nr_tp", "nr_bt", "nr_hr", "fr_hr", "fr_tp", "fr_bt", "cyl_hr" };

//----------------------------------------------------------------------------------------------------

CTPPSDetId::CTPPSDetId(uint32_t id) : DetId(id)
{
  bool inputOK = (det() == DetId::VeryForward);

  if (!inputOK)
  {
    throw cms::Exception("InvalidDetId") << "CTPPSDetId ctor:"
      << " det: " << det()
      << " subdet: " << subdetId()
      << " is not a valid CTPPS id.";  
  }
}

//----------------------------------------------------------------------------------------------------

CTPPSDetId::CTPPSDetId(uint32_t SubDet, uint32_t Arm, uint32_t Station, uint32_t RomanPot) :       
  DetId(DetId::VeryForward, SubDet)
{
  if (SubDet != sdTrackingStrip && SubDet != sdTrackingPixel && SubDet != sdTimingDiamond && SubDet != sdTimingFastSilicon)
  {
    throw cms::Exception("InvalidDetId") << "CTPPSDetId ctor: invalid sub-detector " << SubDet << ".";
  }

  if (Arm > maxArm || Station > maxStation || RomanPot > maxRP)
  {
    throw cms::Exception("InvalidDetId") << "CTPPSDetId ctor:" 
           << " Invalid parameters:" 
           << " arm=" << Arm
           << " station=" << Station
           << " rp=" << RomanPot
           << std::endl;
  }

  uint32_t ok=0xfe000000;
  id_ &= ok;

  id_ |= ((Arm & maskArm) << startArmBit);
  id_ |= ((Station & maskStation) << startStationBit);
  id_ |= ((RomanPot & maskRP) << startRPBit);
}

//----------------------------------------------------------------------------------------------------

std::ostream& operator << (std::ostream& os, const CTPPSDetId& id)
{
  os
    << "subDet=" << id.subdetId()
    << " arm=" << id.arm()
    << " station=" << id.station()
    << " rp=" << id.rp();

  return os;
}