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// -*- C++ -*-
//
// Package: CondTools/SiStrip
// Class: SiStripApvGainRescaler
//
/**\class SiStripApvGainRescaler SiStripApvGainRescaler.cc CondTools/SiStrip/plugins/SiStripApvGainRescaler.cc
Description: Utility class to rescale the values of SiStrip G2 by the ratio of G1_old/G1_new: this is useful in the case in which a Gain2 payload needs to recycled after a G1 update to keep the G1*G2 product constant
Implementation:
[Notes on implementation]
*/
//
// Original Author: Marco Musich
// Created: Tue, 03 Oct 2017 12:57:34 GMT
//
//
// system include files
#include <memory>
#include <iostream>
// user include files
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/one/EDAnalyzer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "CondFormats/SiStripObjects/interface/SiStripApvGain.h"
#include "CondFormats/DataRecord/interface/SiStripApvGainRcd.h"
#include "CalibFormats/SiStripObjects/interface/SiStripGain.h"
#include "CalibTracker/Records/interface/SiStripGainRcd.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CondCore/DBOutputService/interface/PoolDBOutputService.h"
#include "FWCore/Framework/interface/EventSetup.h"
//
// class declaration
//
class SiStripApvGainRescaler : public edm::one::EDAnalyzer<> {
public:
explicit SiStripApvGainRescaler(const edm::ParameterSet&);
~SiStripApvGainRescaler() override;
static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
private:
void analyze(const edm::Event&, const edm::EventSetup&) override;
std::unique_ptr<SiStripApvGain> getNewObject(const std::map<std::pair<uint32_t, int>, float>& theMap);
// ----------member data ---------------------------
const uint32_t m_printdebug;
const std::string m_Record;
// take G2_old and G1_old from the regular gain handle
const edm::ESGetToken<SiStripGain, SiStripGainRcd> g1g2Token_;
// take the additional G1_new from the Gain3Rcd (dirty trick)
const edm::ESGetToken<SiStripApvGain, SiStripApvGain3Rcd> g3Token_;
};
//
// constructors and destructor
//
SiStripApvGainRescaler::SiStripApvGainRescaler(const edm::ParameterSet& iConfig)
: m_printdebug{iConfig.getUntrackedParameter<uint32_t>("printDebug", 1)},
m_Record(iConfig.getParameter<std::string>("Record")),
g1g2Token_(esConsumes()),
g3Token_(esConsumes()) {}
SiStripApvGainRescaler::~SiStripApvGainRescaler() = default;
//
// member functions
//
// ------------ method called for each event ------------
void SiStripApvGainRescaler::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup) {
using namespace edm;
const auto& g1g2 = iSetup.getData(g1g2Token_);
const auto& g3 = iSetup.getData(g3Token_);
std::map<std::pair<uint32_t, int>, float> theMap;
std::vector<uint32_t> detid;
g1g2.getDetIds(detid);
for (const auto& d : detid) {
SiStripApvGain::Range rangeG1_old = g1g2.getRange(d, 0);
SiStripApvGain::Range rangeG2_old = g1g2.getRange(d, 1);
SiStripApvGain::Range rangeG1_new = g3.getRange(d);
int nAPV = 0;
for (int it = 0; it < rangeG1_old.second - rangeG1_old.first; it++) {
nAPV++;
std::pair<uint32_t, int> index = std::make_pair(d, nAPV);
float G1_old = g1g2.getApvGain(it, rangeG1_old);
float G2_old = g1g2.getApvGain(it, rangeG2_old);
float G1G2_old = G1_old * G2_old;
float G1_new = g3.getApvGain(it, rangeG1_new);
// this is based on G1_old*G2_old = G1_new * G2_new ==> G2_new = (G1_old*G2_old)/G1_new
float NewGain = G1G2_old / G1_new;
// DO NOT RESCALE APVs set to the default value
if (G2_old != 1.) {
theMap[index] = NewGain;
} else {
theMap[index] = 1.;
}
} // loop over APVs
} // loop over DetIds
std::unique_ptr<SiStripApvGain> theAPVGains = this->getNewObject(theMap);
// write out the APVGains record
edm::Service<cond::service::PoolDBOutputService> poolDbService;
if (poolDbService.isAvailable())
poolDbService->writeOneIOV(*theAPVGains, poolDbService->currentTime(), m_Record);
else
throw std::runtime_error("PoolDBService required.");
}
//********************************************************************************//
std::unique_ptr<SiStripApvGain> SiStripApvGainRescaler::getNewObject(
const std::map<std::pair<uint32_t, int>, float>& theMap) {
std::unique_ptr<SiStripApvGain> obj = std::make_unique<SiStripApvGain>();
std::vector<float> theSiStripVector;
uint32_t PreviousDetId = 0;
unsigned int countDetIds(0); // count DetIds to print
for (const auto& element : theMap) {
uint32_t DetId = element.first.first;
if (DetId != PreviousDetId) {
if (!theSiStripVector.empty()) {
SiStripApvGain::Range range(theSiStripVector.begin(), theSiStripVector.end());
if (!obj->put(PreviousDetId, range))
edm::LogError("SiStripApvGainRescaler") << "Bug to put detId = " << PreviousDetId << "\n";
}
theSiStripVector.clear();
PreviousDetId = DetId;
countDetIds++;
}
theSiStripVector.push_back(element.second);
if (countDetIds <= m_printdebug) {
edm::LogInfo("SiStripApvGainRescaler")
<< __FUNCTION__ << " DetId: " << DetId << " APV: " << element.first.second << " Gain: " << element.second;
}
}
if (!theSiStripVector.empty()) {
SiStripApvGain::Range range(theSiStripVector.begin(), theSiStripVector.end());
if (!obj->put(PreviousDetId, range))
edm::LogError("SiStripApvGainRescaler") << "Bug to put detId = " << PreviousDetId << "\n";
}
return obj;
}
// ------------ method fills 'descriptions' with the allowed parameters for the module ------------
void SiStripApvGainRescaler::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
edm::ParameterSetDescription desc;
desc.setComment(
" Utility class to rescale the values of SiStrip G2 by the ratio of G1_old/G1_new: this is useful in the case in "
"which a Gain2 payload needs to recycled after a G1 update to keep the G1*G2 product constant."
"PoolDBOutputService must be set up for 'SiStripApvGainRcd'.");
desc.add<std::string>("Record", "SiStripApvGainRcd");
desc.addUntracked<unsigned int>("printDebug", 1);
descriptions.add("rescaleGain2byGain1", desc);
}
//define this as a plug-in
DEFINE_FWK_MODULE(SiStripApvGainRescaler);
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