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File indexing completed on 2022-02-28 23:36:04

0001 // -*- C++ -*-
0002 //
0003 // Package:    HGCalTestBeam/HGCalTBCheckGunPostion
0004 // Class:      HGCalTBCheckGunPostion
0005 //
0006 /**\class HGCalTBCheckGunPostion HGCalTBCheckGunPostion.cc
0007  Geometry/HGCalTestBeam/plugins/HGCalTBCheckGunPostion.cc
0008 
0009  Description: [one line class summary]
0010 
0011  Implementation:
0012      [Notes on implementation]
0013 */
0014 //
0015 // Original Author:  Shilpi Jain
0016 //         Created:  Wed, 31 Aug 2016 17:47:22 GMT
0017 //
0018 //
0019 
0020 // system include files
0021 #include <memory>
0022 
0023 // user include files
0024 #include "FWCore/Framework/interface/Event.h"
0025 #include "FWCore/Framework/interface/Frameworkfwd.h"
0026 #include "FWCore/Framework/interface/MakerMacros.h"
0027 #include "FWCore/Framework/interface/stream/EDFilter.h"
0028 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0029 
0030 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0031 #include "FWCore/Utilities/interface/StreamID.h"
0032 
0033 #include <iostream>
0034 #include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
0035 
0036 //#define EDM_ML_DEBUG
0037 
0038 //
0039 // class declaration
0040 //
0041 
0042 class HGCalTBCheckGunPostion : public edm::stream::EDFilter<> {
0043 public:
0044   explicit HGCalTBCheckGunPostion(const edm::ParameterSet&);
0045   ~HGCalTBCheckGunPostion() override = default;
0046 
0047   static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0048 
0049 private:
0050   void beginStream(edm::StreamID) override {}
0051   bool filter(edm::Event&, const edm::EventSetup&) override;
0052   void endStream() override {}
0053 
0054   void beginRun(edm::Run const&, edm::EventSetup const&) override {}
0055   void endRun(edm::Run const&, edm::EventSetup const&) override {}
0056   void beginLuminosityBlock(edm::LuminosityBlock const&, edm::EventSetup const&) override {}
0057   void endLuminosityBlock(edm::LuminosityBlock const&, edm::EventSetup const&) override {}
0058 
0059   // ----------member data ---------------------------
0060 
0061   const edm::InputTag labelGen_;
0062   const bool verbosity_, method2_;
0063   const edm::EDGetTokenT<edm::HepMCProduct> hepMCproductLabel_;
0064   double tan30deg_, hexwidth_, hexside_;
0065 };
0066 
0067 //
0068 // constants, enums and typedefs
0069 //
0070 
0071 //
0072 // static data member definitions
0073 //
0074 
0075 //
0076 // constructor
0077 //
0078 HGCalTBCheckGunPostion::HGCalTBCheckGunPostion(const edm::ParameterSet& iConfig)
0079     : labelGen_(iConfig.getParameter<edm::InputTag>("HepMCProductLabel")),
0080       verbosity_(iConfig.getUntrackedParameter<bool>("Verbosity", false)),
0081       method2_(iConfig.getUntrackedParameter<bool>("Method2", false)),
0082       hepMCproductLabel_(consumes<edm::HepMCProduct>(labelGen_)) {
0083   // now do what ever initialization is needed
0084   // hexside = 7; //cm - check it
0085   tan30deg_ = 0.5773502693;
0086   hexwidth_ = 6.185;
0087   hexside_ = 2.0 * hexwidth_ * tan30deg_;
0088 }
0089 
0090 //
0091 // member functions
0092 //
0093 
0094 // ------------ method called on each new Event  ------------
0095 bool HGCalTBCheckGunPostion::filter(edm::Event& iEvent, const edm::EventSetup& iSetup) {
0096   const edm::Handle<edm::HepMCProduct>& hepmc = iEvent.getHandle(hepMCproductLabel_);
0097 #ifdef EDM_ML_DEBUG
0098   if (verbosity_)
0099     edm::LogVerbatim("HGCSim") << "is hepmc Handle valid: " << hepmc.isValid();
0100 #endif
0101   double x(0), y(0);
0102 
0103   if (hepmc.isValid()) {
0104     const HepMC::GenEvent* Evt = hepmc->GetEvent();
0105 
0106 #ifdef EDM_ML_DEBUG
0107     if (verbosity_)
0108       edm::LogVerbatim("HGCSim") << "vertex " << Evt->vertices_size();
0109 #endif
0110     for (HepMC::GenEvent::vertex_const_iterator p = Evt->vertices_begin(); p != Evt->vertices_end(); ++p) {
0111       x = (*p)->position().x() / 10.;  // in cm
0112       y = (*p)->position().y() / 10.;  // in cm
0113 #ifdef EDM_ML_DEBUG
0114       double z = (*p)->position().z() / 10.;  // in cm
0115       if (verbosity_)
0116         edm::LogVerbatim("HGCSim") << " x: " << (*p)->position().x() << ":" << x << " y: " << (*p)->position().y()
0117                                    << ":" << y << " z: " << (*p)->position().z() << ":" << z;
0118 #endif
0119     }
0120   }  // if (genEventInfoHandle.isValid())
0121 
0122   bool flag(false);
0123   if (method2_) {
0124     bool cond1 = y == 0 && x >= (-hexside_ * sqrt(3) / 2.);
0125     bool cond2 = ((y + hexside_) >= -x / sqrt(3)) && (y < 0 && x < 0);
0126     bool cond3 = (y * sqrt(3) >= (x - hexside_ * sqrt(3))) && (y < 0 && x > 0);
0127     bool cond4 = y == 0 && x <= (hexside_ * sqrt(3) / 2.);
0128     bool cond5 = (-y * sqrt(3) >= (x - hexside_ * sqrt(3))) && (y > 0 && x > 0);
0129     bool cond6 = ((y - hexside_) <= x / sqrt(3)) && (y > 0 && x < 0);
0130     flag = cond1 || cond2 || cond3 || cond4 || cond5 || cond6;
0131   } else {
0132     double absx = std::abs(x);
0133     double absy = std::abs(y);
0134     if (absx <= hexwidth_ && absy <= hexside_) {
0135       if (absy <= hexwidth_ * tan30deg_ || absx <= (2. * hexwidth_ - absy / tan30deg_))
0136         flag = true;
0137     }
0138   }
0139 
0140 #ifdef EDM_ML_DEBUG
0141   if (verbosity_)
0142     edm::LogVerbatim("HGCSim") << "Selection Flag " << flag;
0143 #endif
0144   return flag;
0145 }
0146 
0147 // ------------ method fills 'descriptions' with the allowed parameters for the
0148 // module  ------------
0149 void HGCalTBCheckGunPostion::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0150   // The following says we do not know what parameters are allowed so do no
0151   // validation
0152   // Please change this to state exactly what you do use, even if it is no
0153   // parameters
0154   edm::ParameterSetDescription desc;
0155   desc.setUnknown();
0156   descriptions.addDefault(desc);
0157 }
0158 
0159 // define this as a plug-in
0160 DEFINE_FWK_MODULE(HGCalTBCheckGunPostion);