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/****************************************************************************
* Authors:
* Jan Kašpar
* Grzegorz Sroka
****************************************************************************/
#include "CondFormats/PPSObjects/interface/PPSAssociationCuts.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
#include "TF1.h"
#include <iostream>
//----------------------------------------------------------------------------------------------------
PPSAssociationCuts::CutsPerArm::CutsPerArm(const edm::ParameterSet &iConfig, int sector) {
const auto &association_cuts = iConfig.getParameterSet("association_cuts_" + std::to_string(sector));
const std::vector<std::string> names{"x", "y", "xi", "th_y"};
for (std::size_t i = 0; i < names.size(); ++i) {
std::string mean = association_cuts.getParameter<std::string>(names[i] + "_cut_mean");
s_means_.push_back(mean);
std::string threshold = association_cuts.getParameter<std::string>(names[i] + "_cut_threshold");
s_thresholds_.push_back(threshold);
}
ti_tr_min_ = association_cuts.getParameter<double>("ti_tr_min");
ti_tr_max_ = association_cuts.getParameter<double>("ti_tr_max");
}
//----------------------------------------------------------------------------------------------------
void PPSAssociationCuts::CutsPerArm::buildFunctions() {
f_means_.clear();
for (const auto &s : s_means_)
f_means_.push_back(std::make_shared<TF1>("f", s.c_str()));
f_thresholds_.clear();
for (const auto &s : s_thresholds_)
f_thresholds_.push_back(std::make_shared<TF1>("f", s.c_str()));
}
//----------------------------------------------------------------------------------------------------
bool PPSAssociationCuts::CutsPerArm::isApplied(Quantities quantity) const {
return (!s_thresholds_[quantity].empty()) && (!s_means_[quantity].empty());
}
//----------------------------------------------------------------------------------------------------
bool PPSAssociationCuts::CutsPerArm::isSatisfied(
Quantities quantity, double x_near, double y_near, double xangle, double q_NF_diff) const {
// if cut not applied, then condition considered as satisfied
if (!isApplied(quantity))
return true;
// evaluate mean and threshold
const double mean = evaluateExpression(f_means_[quantity], x_near, y_near, xangle);
const double threshold = evaluateExpression(f_thresholds_[quantity], x_near, y_near, xangle);
// make comparison
return fabs(q_NF_diff - mean) < threshold;
}
//----------------------------------------------------------------------------------------------------
double PPSAssociationCuts::CutsPerArm::evaluateExpression(std::shared_ptr<TF1> expression,
double x_near,
double y_near,
double xangle) {
expression->SetParameter("x_near", x_near);
expression->SetParameter("y_near", y_near);
expression->SetParameter("xangle", xangle);
return expression->EvalPar(nullptr);
}
//----------------------------------------------------------------------------------------------------
PPSAssociationCuts::PPSAssociationCuts(const edm::ParameterSet &iConfig) {
unsigned int i = 0;
for (const int §or : {45, 56})
association_cuts_[i++] = CutsPerArm(iConfig, sector);
initialize();
}
//----------------------------------------------------------------------------------------------------
edm::ParameterSetDescription PPSAssociationCuts::getDefaultParameters() {
edm::ParameterSetDescription desc;
desc.add<std::string>("x_cut_mean", "")->setComment("mean of track-association cut in x, mm");
desc.add<std::string>("x_cut_threshold", "")->setComment("threshold of track-association cut in x, mm");
desc.add<std::string>("y_cut_mean", "")->setComment("mean of track-association cut in y, mm");
desc.add<std::string>("y_cut_threshold", "")->setComment("threshold of track-association cut in y, mm");
desc.add<std::string>("xi_cut_mean", "")->setComment("mean of track-association cut in xi");
desc.add<std::string>("xi_cut_threshold", "")->setComment("threshold of track-association cut in xi");
desc.add<std::string>("th_y_cut_mean", "")->setComment("mean of track-association cut in th_y, rad");
desc.add<std::string>("th_y_cut_threshold", "")->setComment("threshold of track-association cut in th_y, rad");
desc.add<double>("ti_tr_min", -1.)->setComment("minimum value for timing-tracking association cut");
desc.add<double>("ti_tr_max", +1.)->setComment("maximum value for timing-tracking association cut");
return desc;
}
//----------------------------------------------------------------------------------------------------
bool PPSAssociationCuts::isValid() const {
// valid if association_cuts_ have two entries, with keys 0 and 1
if (association_cuts_.size() != 2)
return false;
if (association_cuts_.find(0) == association_cuts_.end())
return false;
if (association_cuts_.find(1) == association_cuts_.end())
return false;
return true;
}
//----------------------------------------------------------------------------------------------------
void PPSAssociationCuts::initialize() {
if (!isValid())
throw cms::Exception("PPS") << "Invalid structure of PPSAssociationCuts.";
for (auto &p : association_cuts_)
p.second.buildFunctions();
}
//----------------------------------------------------------------------------------------------------
std::ostream &operator<<(std::ostream &os, const PPSAssociationCuts::CutsPerArm &cutsPerArm) {
os << "CutsPerArm {" << std::endl;
os << "\tmeans {";
for (auto const &value : cutsPerArm.getMeans()) {
os << "\"" << value << "\", ";
}
os << "}" << std::endl << std::endl;
os << "\tthresholds {";
for (auto const &value : cutsPerArm.getThresholds()) {
os << "\"" << value << "\", ";
}
os << "}" << std::endl << std::endl;
os << "\tti_tr_min " << cutsPerArm.getTiTrMin() << std::endl;
os << "\tti_tr_max " << cutsPerArm.getTiTrMax() << std::endl;
os << "}" << std::endl;
return os;
}
//----------------------------------------------------------------------------------------------------
std::ostream &operator<<(std::ostream &os, const PPSAssociationCuts &ppsAssociationCuts) {
os << "PPSAssociationCuts {" << std::endl;
os << "45" << std::endl;
os << ppsAssociationCuts.getAssociationCuts(0);
os << "56" << std::endl;
os << ppsAssociationCuts.getAssociationCuts(1);
os << "}" << std::endl;
return os;
}
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