CTPPSDiamondRecHitProducerAlgorithm Class Reference

#include <CTPPSDiamondRecHitProducerAlgorithm.h>

Public Member Functions
void	build (const TotemRPGeometry *, const edm::DetSetVector< CTPPSDiamondDigi > &, edm::DetSetVector< CTPPSDiamondRecHit > &)
	CTPPSDiamondRecHitProducerAlgorithm (const edm::ParameterSet &conf)

Private Attributes
int	t_shift_
double	ts_to_ns_
	Conversion constant between HPTDC time slice and absolute time (in ns) More...

Detailed Description

Definition at line 23 of file CTPPSDiamondRecHitProducerAlgorithm.h.

Constructor & Destructor Documentation

CTPPSDiamondRecHitProducerAlgorithm::CTPPSDiamondRecHitProducerAlgorithm

(

const edm::ParameterSet &

conf

)

Definition at line 13 of file CTPPSDiamondRecHitProducerAlgorithm.cc.

                                                                                                         :
  ts_to_ns_( iConfig.getParameter<double>( "timeSliceNs" ) ),
  t_shift_( iConfig.getParameter<int>( "timeShift" ) )
{}

Member Function Documentation

void CTPPSDiamondRecHitProducerAlgorithm::build	(	const TotemRPGeometry *	geom,
		const edm::DetSetVector< CTPPSDiamondDigi > &	input,
		edm::DetSetVector< CTPPSDiamondRecHit > &	output
	)

Definition at line 19 of file CTPPSDiamondRecHitProducerAlgorithm.cc.

References edm::DetSetVector< T >::begin(), edm::DetSetVector< T >::end(), edm::DetSetVector< T >::find_or_insert(), TotemRPGeometry::GetDetector(), DetGeomDesc::params(), edm::DetSet< T >::push_back(), lumiQTWidget::t, cscNeutronWriter_cfi::t0, t_shift_, DetGeomDesc::translation(), and ts_to_ns_.

Referenced by CTPPSDiamondRecHitProducer::produce().

{
  for ( edm::DetSetVector<CTPPSDiamondDigi>::const_iterator vec = input.begin(); vec != input.end(); ++vec ) {
    const CTPPSDiamondDetId detid( vec->detId() );

    if ( detid.channel() > 20 ) continue;              // VFAT-like information, to be ignored by CTPPSDiamondRecHitProducer

    const DetGeomDesc* det = geom->GetDetector( detid );
    const float x_pos = det->translation().x(),
                x_width = 2.0 * det->params().at( 0 ), // parameters stand for half the size
                y_pos = det->translation().y(),
                y_width = 2.0 * det->params().at( 1 );

    edm::DetSet<CTPPSDiamondRecHit>& rec_hits = output.find_or_insert( detid );

    for ( edm::DetSet<CTPPSDiamondDigi>::const_iterator digi = vec->begin(); digi != vec->end(); ++digi ) {
      if ( digi->getLeadingEdge()==0 and digi->getTrailingEdge()==0 ) { continue; }

      const int t = digi->getLeadingEdge();
      const int t0 = ( t-t_shift_ ) % 1024;
      const int time_slice = ( t-t_shift_ ) / 1024;

      int tot = 0;
      if ( t!=0 && digi->getTrailingEdge()!=0 ) tot = ( (int) digi->getTrailingEdge() ) - t;

      rec_hits.push_back( CTPPSDiamondRecHit( x_pos, x_width, y_pos, y_width, // spatial information
                                              ( t0 * ts_to_ns_ ),
                                              ( tot * ts_to_ns_),
                                              time_slice,
                                              digi->getHPTDCErrorFlags(),
                                              digi->getMultipleHit() ) );
    }
  }
}

Member Data Documentation

int CTPPSDiamondRecHitProducerAlgorithm::t_shift_

private

Definition at line 33 of file CTPPSDiamondRecHitProducerAlgorithm.h.

Referenced by build().

double CTPPSDiamondRecHitProducerAlgorithm::ts_to_ns_

private

Conversion constant between HPTDC time slice and absolute time (in ns)

Definition at line 32 of file CTPPSDiamondRecHitProducerAlgorithm.h.

Referenced by build().