CbmMvdDigi.cxx

Go to the documentation of this file.

/* Copyright (C) 2008-2020 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Christina Dritsa [committer], Florian Uhlig, Philipp Sitzmann */
 
// -----------------------------------------------------------------------
// -----               CbmMvdDigi source file                        -----
// -----              Created 17/04/08  by C. Dritsa                 -----
// -----------------------------------------------------------------------
 
#include "CbmMvdDigi.h"
 
#include <Logger.h>  // for LOG, Logger
 
#include <TObject.h>  // for TObject
 
#include <cmath>
 
// -----   Default constructor   -------------------------------------------
CbmMvdDigi::CbmMvdDigi()
  : TObject()
  , CbmMvdDetectorId()
  , fCharge(0.)
  , fChannelNrX(0)
  , fChannelNrY(0)
  , fPixelSizeX(0.)
  , fPixelSizeY(0.)
  , fDetectorId(0)
  , fChannelNr(0)
  , fDigiTime(0.)
  , fFrameNumber(0)
  , fRefId(-1)
  , fDigiFlag(-1)
{
}
// -------------------------------------------------------------------------
 
 
/*
// -----   Constructor with parameters   -----------------------------------
CbmMvdDigi::CbmMvdDigi(int32_t iStation, int32_t iChannelNrX, int32_t iChannelNrY, float charge,
                       float pixelSizeX, float pixelSizeY)
  : CbmDigi(kMVD, 0),
    CbmMvdDetectorId(),         
    fCharge(charge),
    fChannelNrX(iChannelNrX),
    fChannelNrY(iChannelNrY),
    fTrackID(-1),
    fPointID(0),
    fPixelSizeX(pixelSizeX),
    fPixelSizeY(pixelSizeY),
    fDetectorId(0),
    fChannelNr(0),
    fDigiTime(0.),
    fFrameNumber(0),
    fRefId(-1),
    fDigiFlag(-1)
{
    // Check range for station
    if ( ! ( iStation >= 0 && iStation <= 255 ) ) {
        LOG(fatal) << "Illegal station number " << iStation;
    }
 
    fDetectorId = DetectorId(iStation);
 
    fChannelNrY = iChannelNrY;
    fCharge  = charge;
    fChannelNrX=iChannelNrX;
    fChannelNrY=iChannelNrY;
    fPixelSizeX=pixelSizeX;
    fPixelSizeY=pixelSizeY;
    fDigiFlag=-1;
    
}
// -------------------------------------------------------------------------
*/
 
// -----   Constructor with parameters  --> used only due to error TODO include correct version -----------------------------------
CbmMvdDigi::CbmMvdDigi(int32_t iStation, int32_t iChannelNrX, int32_t iChannelNrY, float charge, float pixelSizeX,
                       float pixelSizeY, float time, int32_t frame)
  : TObject()
  , CbmMvdDetectorId()
  , fCharge(charge)
  , fChannelNrX(iChannelNrX)
  , fChannelNrY(iChannelNrY)
  , fPixelSizeX(pixelSizeX)
  , fPixelSizeY(pixelSizeY)
  , fDetectorId(DetectorId(iStation))
  , fChannelNr(0)
  , fDigiTime(time)
  , fFrameNumber(frame)
  , fRefId(-1)
  , fDigiFlag(-1)
{
  // Check range for station
  if (!(iStation >= 0 && iStation <= 600)) { LOG(fatal) << "Illegal station number " << iStation; }
}
// -------------------------------------------------------------------------
 
int32_t CbmMvdDigi::GetAdcCharge(int32_t adcDynamic, int32_t adcOffset, int32_t adcBits)
{
  int32_t adcCharge;
 
  if (fCharge < adcOffset) { return 0; };
 
 
  double stepSize;
  //    int32_t adcMax = adcOffset + adcDynamic;
 
  stepSize  = adcDynamic / pow(2, adcBits);
  adcCharge = int((fCharge - adcOffset) / stepSize);
 
 
  if (adcCharge > int(pow(2, adcBits) - 1)) { adcCharge = (int) pow(2, adcBits) - 1; }
 
  if (gDebug > 0) { LOG(debug) << "CbmMvdDigi::GetAdcCharge() " << adcCharge; }
 
  return adcCharge;
}
 
 
// -------------------------------------------------------------------------
int32_t CbmMvdDigi::GetPixelX() { return fChannelNrX; }
// -------------------------------------------------------------------------
int32_t CbmMvdDigi::GetPixelY() { return fChannelNrY; }
// -------------------------------------------------------------------------
 
int32_t CbmMvdDigi::GetAddress() const { return 0; }
 
// -------------------------------------------------------------------------
 
double CbmMvdDigi::GetTime() const { return fDigiTime; }
 
 
// -------------------------------------------------------------------------
 
 
// -----   Destructor   ----------------------------------------------------
CbmMvdDigi::~CbmMvdDigi() {}
// -------------------------------------------------------------------------
 
ClassImp(CbmMvdDigi)