MTDTimeCalib Class Reference

#include <MTDTimeCalib.h>

Public Member Functions
float	getTimeCalib (const MTDDetId &id) const
	MTDTimeCalib (edm::ParameterSet const &conf, const MTDGeometry *geom, const MTDTopology *topo)
	~MTDTimeCalib ()

Private Attributes
float	btlLightCollSlope_
float	btlLightCollTime_
float	btlTimeOffset_
float	etlTimeOffset_
const MTDGeometry *	geom_
const MTDTopology *	topo_

Detailed Description

Definition at line 11 of file MTDTimeCalib.h.

Constructor & Destructor Documentation

MTDTimeCalib::MTDTimeCalib	(	edm::ParameterSet const &	conf,
		const MTDGeometry *	geom,
		const MTDTopology *	topo
	)

Definition at line 11 of file MTDTimeCalib.cc.

                                                                :
  geom_(geom),
  topo_(topo),
  btlTimeOffset_( conf.getParameter<double>("BTLTimeOffset") ),
  etlTimeOffset_( conf.getParameter<double>("ETLTimeOffset") ),
  btlLightCollTime_( conf.getParameter<double>("BTLLightCollTime") ),
  btlLightCollSlope_( conf.getParameter<double>("BTLLightCollSlope") )
{
}

MTDTimeCalib::~MTDTimeCalib ( )

inline

Definition at line 16 of file MTDTimeCalib.h.

References getTimeCalib().

{};

Member Function Documentation

float MTDTimeCalib::getTimeCalib

(

const MTDDetId &

id

)

const

Definition at line 23 of file MTDTimeCalib.cc.

References BTLDetId::bar, BTLDetId::barphiflat, BTLDetId::barzflat, MTDDetId::BTL, btlLightCollSlope_, btlLightCollTime_, btlTimeOffset_, TauDecayModes::dec, MTDDetId::ETL, etlTimeOffset_, Exception, MTDDetId::FastTime, BTLDetId::geographicalId(), geom_, MTDTopology::getMTDTopologyMode(), MTDGeometry::idToDet(), createfilelist::int, RectangularMTDTopology::pitch(), DetId::rawId(), ProxyMTDTopology::specificTopology(), BTLDetId::tile, topo_, and GeomDet::topology().

Referenced by MTDRecHitAlgo::makeRecHit(), and ~MTDTimeCalib().

{
  if (id.subDetector() != MTDDetId::FastTime)
    {
      throw cms::Exception("MTDTimeCalib") << "MTDDetId: " << std::hex
                              << id.rawId()
                              << " is invalid!" << std::dec
                              << std::endl;
    }

  float time_calib = 0.;

  if ( id.mtdSubDetector() == MTDDetId::BTL )
    {
      time_calib += btlTimeOffset_;
      BTLDetId hitId(id);
      DetId geoId = hitId.geographicalId( (BTLDetId::CrysLayout) topo_->getMTDTopologyMode() ); //for BTL topology gives different layout id
      const MTDGeomDet* thedet = geom_->idToDet(geoId);
      
      if( thedet == nullptr ) {
    throw cms::Exception("MTDTimeCalib") << "GeographicalID: " << std::hex
                          << geoId.rawId()
                        << " (" << id.rawId()<< ") is invalid!" << std::dec
                        << std::endl;
      }
      const ProxyMTDTopology& topoproxy = static_cast<const ProxyMTDTopology&>(thedet->topology());
      const RectangularMTDTopology& topo = static_cast<const RectangularMTDTopology&>(topoproxy.specificTopology());    
      
      if ( topo_->getMTDTopologyMode() == (int) BTLDetId::CrysLayout::tile )
    {
      time_calib -= btlLightCollTime_; //simply remove the offset introduced at sim level
    }
      else if ( topo_->getMTDTopologyMode() == (int) BTLDetId::CrysLayout::bar ||
        topo_->getMTDTopologyMode() == (int) BTLDetId::CrysLayout::barphiflat 
        )
    {
      //for bars in phi
      time_calib -= 0.5*topo.pitch().first*btlLightCollSlope_; //time offset for bar time is L/2v 
    }
      else if ( topo_->getMTDTopologyMode() == (int) BTLDetId::CrysLayout::barzflat ) 
    {
      //for bars in z
      time_calib -= 0.5*topo.pitch().second*btlLightCollSlope_; //time offset for bar time is L/2v 
    }
    }
  else if ( id.mtdSubDetector() == MTDDetId::ETL )
    {
      time_calib += etlTimeOffset_;
    }
  else
    {
      throw cms::Exception("MTDTimeCalib") << "MTDDetId: " << std::hex
                              << id.rawId()
                              << " is invalid!" << std::dec
                              << std::endl;
    }

  return time_calib;
}

Member Data Documentation

float MTDTimeCalib::btlLightCollSlope_

private

Definition at line 29 of file MTDTimeCalib.h.

Referenced by getTimeCalib().

float MTDTimeCalib::btlLightCollTime_

private

Definition at line 28 of file MTDTimeCalib.h.

Referenced by getTimeCalib().

float MTDTimeCalib::btlTimeOffset_

private

Definition at line 24 of file MTDTimeCalib.h.

Referenced by getTimeCalib().

float MTDTimeCalib::etlTimeOffset_

private

Definition at line 25 of file MTDTimeCalib.h.

Referenced by getTimeCalib().

const MTDGeometry* MTDTimeCalib::geom_

private

Definition at line 22 of file MTDTimeCalib.h.

Referenced by getTimeCalib().

const MTDTopology* MTDTimeCalib::topo_

private

Definition at line 23 of file MTDTimeCalib.h.

Referenced by getTimeCalib().