#include <RPLinearInduceChargeOnStrips.h>

Public Member Functions
simromanpot::strip_charge_map	Induce (const simromanpot::charge_induced_on_surface &charge_map)

	RPLinearInduceChargeOnStrips (const edm::ParameterSet &params, RPDetId det_id)

Private Attributes
RPDetId	det_id_

int	no_of_strips_

std::vector< double >	signalCoupling_

RPSimTopology	theRPDetTopology

simromanpot::strip_charge_map	theStripChargeMap

int	verbosity_

Detailed Description

Definition at line 9 of file RPLinearInduceChargeOnStrips.h.

Constructor & Destructor Documentation

RPLinearInduceChargeOnStrips::RPLinearInduceChargeOnStrips	(	const edm::ParameterSet &	params,
		RPDetId	det_id
	)

Definition at line 5 of file RPLinearInduceChargeOnStrips.cc.

References RPTopology::DetStripNo(), edm::ParameterSet::getParameter(), no_of_strips_, signalCoupling_, theRPDetTopology, and verbosity_.

     : det_id_(det_id), theRPDetTopology(params) {
   verbosity_ = params.getParameter<int>("RPVerbosity");
   signalCoupling_.clear();
   double coupling_constant_ = params.getParameter<double>("RPInterStripCoupling");
   signalCoupling_.push_back(coupling_constant_);
   signalCoupling_.push_back((1.0 - coupling_constant_) / 2.);
 
   no_of_strips_ = theRPDetTopology.DetStripNo();
 }

Member Function Documentation

simromanpot::strip_charge_map RPLinearInduceChargeOnStrips::Induce ( const simromanpot::charge_induced_on_surface & charge_map )

Definition at line 16 of file RPLinearInduceChargeOnStrips.cc.

References funct::abs(), det_id_, RPSimTopology::GetStripsInvolved(), mps_fire::i, createfilelist::int, dqmiolumiharvest::j, dqmdumpme::k, no_of_strips_, signalCoupling_, mathSSE::sqrt(), theRPDetTopology, theStripChargeMap, and verbosity_.

                                                             {
   theStripChargeMap.clear();
   const double sqrt_2 = sqrt(2.0);
   if (verbosity_)
     edm::LogInfo("RPLinearInduceChargeOnStrips ") << det_id_ << " : Clouds to be induced:" << charge_map.size() << "\n";
   for (simromanpot::charge_induced_on_surface::const_iterator i = charge_map.begin(); i != charge_map.end(); ++i) {
     double hit_pos;
     std::vector<strip_info> relevant_strips =
         theRPDetTopology.GetStripsInvolved((*i).Position().x(), (*i).Position().y(), (*i).Sigma(), hit_pos);
     if (verbosity_) {
       edm::LogInfo("RPLinearInduceChargeOnStrips ")
           << det_id_ << " : relevant_strips" << relevant_strips.size() << "\n";
     }
     for (std::vector<strip_info>::const_iterator j = relevant_strips.begin(); j != relevant_strips.end(); ++j) {
       double strip_begin = (*j).LowerBoarder();
       double strip_end = (*j).HigherBoarder();
       double effic = (*j).EffFactor();
       double sigma = (*i).Sigma();
       unsigned short str_no = (*j).StripNo();
 
       double charge_on_strip = (TMath::Erfc((strip_begin - hit_pos) / sqrt_2 / sigma) / 2.0 -
                                 TMath::Erfc((strip_end - hit_pos) / sqrt_2 / sigma) / 2.0) *
                                (*i).Charge() * effic;
       if (verbosity_)
         edm::LogInfo("RPLinearInduceChargeOnStrips") << "Efficiency " << det_id_ << " :" << effic << "\n";
 
       for (int k = -signalCoupling_.size() + 1; k < (int)signalCoupling_.size(); ++k) {
         if ((str_no + k) >= 0 && (str_no + k) < no_of_strips_)
           theStripChargeMap[str_no + k] += charge_on_strip * signalCoupling_[abs(k)];
       }
     }
   }
 
   return theStripChargeMap;
 }