CbmMuchLayer.cxx

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/* Copyright (C) 2008-2020 St. Petersburg Polytechnic University, St. Petersburg
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Florian Uhlig, Mikhail Ryzhinskiy [committer], Evgeny Kryshen */
 
#include "CbmMuchLayer.h"
 
#include "CbmMuchAddress.h"    // for CbmMuchAddress
#include "CbmMuchLayerSide.h"  // for CbmMuchLayerSide
#include "CbmMuchModule.h"     // for CbmMuchModule
 
#include <TMathBase.h>  // for Abs
#include <TObject.h>    // for TObject
#include <TVector3.h>   // for TVector3
 
// -----   Default constructor   -------------------------------------------
CbmMuchLayer::CbmMuchLayer()
  : TObject()
  , fDetectorId(0)
  , fZ(0.)
  , fSideF()
  , fSideB()
  , fSupportDx(0.)
  , fSupportDy(0.)
  , fSupportDz(0.)
  , fZtoStationCenter()
{
}
// -------------------------------------------------------------------------
 
// -----   Standard constructor   ------------------------------------------
CbmMuchLayer::CbmMuchLayer(Int_t detId, Double_t z, Double_t zRel)
  : TObject()
  , fDetectorId(detId)
  , fZ(z)
  , fSideF()
  , fSideB()
  , fSupportDx(0.)
  , fSupportDy(0.)
  , fSupportDz(0.)
  , fZtoStationCenter(zRel)
{
  Int_t iStation = CbmMuchAddress::GetStationIndex(detId);
  Int_t iLayer   = CbmMuchAddress::GetLayerIndex(detId);
  fSideF         = CbmMuchLayerSide(iStation, iLayer, 0, z);
  fSideB         = CbmMuchLayerSide(iStation, iLayer, 1, z);
}
// -------------------------------------------------------------------------
 
// -----   Standard constructor   ------------------------------------------
CbmMuchLayer::CbmMuchLayer(Int_t iStation, Int_t iLayer, Double_t z, Double_t zRel)
  : TObject()
  , fDetectorId(CbmMuchAddress::GetAddress(iStation, iLayer))
  , fZ(z)
  , fSideF()
  , fSideB()
  , fSupportDx(0.)
  , fSupportDy(0.)
  , fSupportDz(0.)
  , fZtoStationCenter(zRel)
 
{
  fSideF = CbmMuchLayerSide(iStation, iLayer, 0, z);
  fSideB = CbmMuchLayerSide(iStation, iLayer, 1, z);
}
// -------------------------------------------------------------------------
 
// -----   Destructor   ----------------------------------------------------
CbmMuchLayer::~CbmMuchLayer() {}
// -------------------------------------------------------------------------
 
 
// -------------------------------------------------------------------------
Double_t CbmMuchLayer::GetDz()
{
  Double_t dzmax = fSupportDz;
 
  for (Int_t s = 0; s < 2; s++) {
    CbmMuchLayerSide* side = GetSide(s);
    for (Int_t i = 0; i < side->GetNModules(); i++) {
      CbmMuchModule* module = side->GetModule(i);
      Double_t lz           = module->GetSize().Z();
      Double_t z            = module->GetPosition().Z();
      Double_t dz           = TMath::Abs(z - fZ) + lz / 2.;
      if (dz > dzmax) dzmax = dz;
    }
  }
  return dzmax;
}
// -------------------------------------------------------------------------
 
ClassImp(CbmMuchLayer)