#include <SiStripPedestalsSubtractor.h>

Public Member Functions
void	init (const edm::EventSetup &)
void	subtract (const edm::DetSet< SiStripRawDigi > &, std::vector< int16_t > &)
void	subtract (const uint32_t &, const uint16_t &, std::vector< int16_t > &)
Private Member Functions
const int16_t &	eval (const int16_t &in)
const uint16_t &	eval (const SiStripRawDigi &in)
	SiStripPedestalsSubtractor (bool mode)
template<class input_t >
void	subtract_ (const uint32_t &, const uint16_t &, const input_t &, std::vector< int16_t > &)
Private Attributes
bool	fedmode_
std::vector< int >	pedestals
edm::ESHandle< SiStripPedestals >	pedestalsHandle
uint32_t	peds_cache_id
Friends
class	SiStripRawProcessingFactory

Detailed Description

Definition at line 12 of file SiStripPedestalsSubtractor.h.

Constructor & Destructor Documentation

SiStripPedestalsSubtractor::SiStripPedestalsSubtractor ( bool mode ) [inline, private]

Definition at line 24 of file SiStripPedestalsSubtractor.h.

: peds_cache_id(0), fedmode_(mode) {};

Member Function Documentation

const int16_t& SiStripPedestalsSubtractor::eval ( const int16_t & in ) [inline, private]

Definition at line 31 of file SiStripPedestalsSubtractor.h.

References recoMuon::in.

Referenced by subtract_().

{ return in;}

const uint16_t& SiStripPedestalsSubtractor::eval ( const SiStripRawDigi & in ) [inline, private]

Definition at line 32 of file SiStripPedestalsSubtractor.h.

References SiStripRawDigi::adc().

{ return in.adc();}

void SiStripPedestalsSubtractor::init ( const edm::EventSetup & es )

Definition at line 6 of file SiStripPedestalsSubtractor.cc.

References edm::EventSetup::get(), pedestalsHandle, and peds_cache_id.

                                                            {
  uint32_t p_cache_id = es.get<SiStripPedestalsRcd>().cacheIdentifier();
  if(p_cache_id != peds_cache_id) {
    es.get<SiStripPedestalsRcd>().get(pedestalsHandle);
    peds_cache_id = p_cache_id;
  }
}

void SiStripPedestalsSubtractor::subtract	(	const uint32_t &	id,
		const uint16_t &	firstStrip,
		std::vector< int16_t > &	digis
	)

Definition at line 14 of file SiStripPedestalsSubtractor.cc.

References subtract_().

{subtract_(id, firstStrip, digis, digis);}

void SiStripPedestalsSubtractor::subtract	(	const edm::DetSet< SiStripRawDigi > &	input,
		std::vector< int16_t > &	output
	)

Definition at line 15 of file SiStripPedestalsSubtractor.cc.

References edm::DetSet< T >::id, and subtract_().

{subtract_(input.id, 0, input, output);}

template<class input_t >

void SiStripPedestalsSubtractor::subtract_	(	const uint32_t &	id,
		const uint16_t &	firstStrip,
		const input_t &	input,
		std::vector< int16_t > &	output
	)		`[inline, private]`

Definition at line 20 of file SiStripPedestalsSubtractor.cc.

References eval(), fedmode_, pedestals, pedestalsHandle, and cms::Exception::what().

Referenced by subtract().

                                                                                                            {
  try {

    pedestals.resize(firstStrip + input.size());
    SiStripPedestals::Range pedestalsRange = pedestalsHandle->getRange(id);
    pedestalsHandle->allPeds(pedestals, pedestalsRange);

    typename input_t::const_iterator inDigi = input.begin();
    std::vector<int>::const_iterator ped = pedestals.begin() + firstStrip;  
    std::vector<int16_t>::iterator   outDigi = output.begin();

    while( inDigi != input.end() ) {
      
      *outDigi = ( *ped > 895 )        
        ? eval(*inDigi) - *ped + 1024
        : eval(*inDigi) - *ped;
      
      if(fedmode_ && *outDigi < 0) //FED bottoms out at 0
        *outDigi=0;
      
      ++inDigi; 
      ++ped; 
      ++outDigi;
    }


  } catch(cms::Exception& e){
    edm::LogError("SiStripPedestalsSubtractor")  
      << "[SiStripPedestalsSubtractor::subtract] DetId " << id << " propagating error from SiStripPedestal" << e.what();
    output.clear();
  }

}