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#include "FWCore/ParameterSet/interface/ParameterSet.h"
//This class header
#include "FastSimulation/CalorimeterProperties/interface/HCALProperties.h"
#include <cmath>
#include <iostream>
#include "FWCore/MessageLogger/interface/MessageLogger.h"
HCALProperties::HCALProperties(const edm::ParameterSet& fastDet) : CalorimeterProperties() {
edm::ParameterSet fastDetHCAL = fastDet.getParameter<edm::ParameterSet>("HadronicCalorimeterProperties");
hOPi = fastDetHCAL.getParameter<double>("HCAL_PiOverE");
spotFrac = fastDetHCAL.getParameter<double>("HCAL_Sampling");
HCALAeff_ = fastDetHCAL.getParameter<double>("HCALAeff");
HCALZeff_ = fastDetHCAL.getParameter<double>("HCALZeff");
HCALrho_ = fastDetHCAL.getParameter<double>("HCALrho");
HCALradiationLengthIncm_ = fastDetHCAL.getParameter<double>("HCALradiationLengthIncm");
HCALradLenIngcm2_ = fastDetHCAL.getParameter<double>("HCALradLenIngcm2");
HCALmoliereRadius_ = fastDetHCAL.getParameter<double>("HCALmoliereRadius");
HCALcriticalEnergy_ = fastDetHCAL.getParameter<double>("HCALcriticalEnergy");
HCALinteractionLength_ = fastDetHCAL.getParameter<double>("HCALinteractionLength");
etatow_ = fastDetHCAL.getParameter<std::vector<double>>("HCALetatow");
hcalDepthLam_ = fastDetHCAL.getParameter<std::vector<double>>("HCALDepthLam");
// in principle this splitting into 42 bins may change with future detectors, but let's add a protection to make sure that differences are not typos in the configuration file:
if (etatow_.size() != 42)
std::cout << " HCALProperties::eta2ieta - WARNING: here we expect 42 entries instead of " << etatow_.size()
<< "; is the change intentional?" << std::endl;
// splitting of 28-th tower is taken into account (2.65-2.853-3.0)
if (hcalDepthLam_.size() != etatow_.size() - 1)
std::cout << " HCALProperties::eta2ieta - WARNING: the sizes of HCALetatow and HCALDepthLam should differ by 1 "
"unit! HCALDepthLam has size "
<< hcalDepthLam_.size() << " and HCALetatow has size " << etatow_.size() << std::endl;
}
double HCALProperties::getHcalDepth(double eta) const {
int ieta = eta2ieta(eta);
/*
std::cout << " HCALProperties::getHcalDepth for eta = " << eta
<< " returns lam.thickness = " << hcalDepthLam_[ieta] << std::endl;
*/
return hcalDepthLam_[ieta];
}
int HCALProperties::eta2ieta(double eta) const {
// binary search in the array of towers eta edges
int size = etatow_.size();
double x = fabs(eta);
int curr = size / 2;
int step = size / 4;
int iter;
int prevdir = 0;
int actudir = 0;
for (iter = 0; iter < size; iter++) {
if (curr >= size || curr < 1)
std::cout << " HCALProperties::eta2ieta - wrong current index = " << curr << " !!!" << std::endl;
if ((x <= etatow_[curr]) && (x > etatow_[curr - 1]))
break;
prevdir = actudir;
if (x > etatow_[curr]) {
actudir = 1;
} else {
actudir = -1;
}
if (prevdir * actudir < 0) {
if (step > 1)
step /= 2;
}
curr += actudir * step;
if (curr > size)
curr = size;
else {
if (curr < 1) {
curr = 1;
}
}
/*
std::cout << " HCALProperties::eta2ieta end of iter." << iter
<< " curr, etatow_[curr-1], etatow_[curr] = "
<< curr << " " << etatow_[curr-1] << " " << etatow_[curr] << std::endl;
*/
}
/*
std::cout << " HCALProperties::eta2ieta for input x = " << x
<< " found index = " << curr-1
<< std::endl;
*/
return curr - 1;
}
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