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#ifndef _CSCGASGAINCORRECTIONDBCONDITIONS_H
#define _CSCGASGAINCORRECTIONDBCONDITIONS_H
#include "FWCore/Framework/interface/ESHandle.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "FWCore/Framework/interface/EventSetupRecordIntervalFinder.h"
#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/MakerMacros.h"
#include "FWCore/Framework/interface/SourceFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include <cmath>
#include <memory>
#include "CondFormats/CSCObjects/interface/CSCDBGasGainCorrection.h"
#include "CondFormats/DataRecord/interface/CSCDBGasGainCorrectionRcd.h"
#include "DataFormats/MuonDetId/interface/CSCIndexer.h"
#include <DataFormats/MuonDetId/interface/CSCDetId.h>
class CSCGasGainCorrectionDBConditions : public edm::ESProducer, public edm::EventSetupRecordIntervalFinder {
public:
CSCGasGainCorrectionDBConditions(const edm::ParameterSet &);
~CSCGasGainCorrectionDBConditions() override;
inline static CSCDBGasGainCorrection *prefillDBGasGainCorrection(bool isForMC, std::string dataCorrFileName);
typedef std::unique_ptr<CSCDBGasGainCorrection> ReturnType;
ReturnType produceDBGasGainCorrection(const CSCDBGasGainCorrectionRcd &);
private:
// ----------member data ---------------------------
void setIntervalFor(const edm::eventsetup::EventSetupRecordKey &,
const edm::IOVSyncValue &,
edm::ValidityInterval &) override;
// Flag for determining if this is for setting MC or data corrections
bool isForMC;
// File for reading 55944 gas gain corrections. MC will be fake;
std::string dataCorrFileName;
};
#include "CondFormats/CSCObjects/interface/CSCDBGasGainCorrection.h"
#include "CondFormats/DataRecord/interface/CSCDBGasGainCorrectionRcd.h"
#include <DataFormats/MuonDetId/interface/CSCDetId.h>
#include <fstream>
#include <iostream>
#include <vector>
// to workaround plugin library
inline CSCDBGasGainCorrection *CSCGasGainCorrectionDBConditions::prefillDBGasGainCorrection(bool isMC,
std::string filename) {
if (isMC)
printf("\n Generating fake DB constants for MC\n");
else {
printf("\n Reading gas gain corrections from file %s \n", filename.data());
}
CSCIndexer indexer;
const int MAX_SIZE = 55944;
CSCDBGasGainCorrection *cndbGasGainCorr = new CSCDBGasGainCorrection();
CSCDBGasGainCorrection::GasGainContainer &itemvector = cndbGasGainCorr->gasGainCorr;
itemvector.resize(MAX_SIZE);
// Filling corrections for MC is very simple
if (isMC) {
for (int i = 0; i < MAX_SIZE; i++) {
itemvector[i].gainCorr = 1.;
}
return cndbGasGainCorr;
}
struct gain_info {
int gas_gain_index;
int endcap;
int station;
int ring;
int chamber;
int layer;
int hvsegment;
int cfeb;
int nentries;
float mean;
float truncated_mean;
float gas_gain_correction;
} gains[MAX_SIZE];
for (int j = 0; j < MAX_SIZE; j++) {
gains[j].gas_gain_index = -999;
gains[j].endcap = -999;
gains[j].station = -999;
gains[j].ring = -999;
gains[j].chamber = -999;
gains[j].layer = -999;
gains[j].hvsegment = -999;
gains[j].cfeb = -999;
gains[j].nentries = -999;
gains[j].mean = -999.;
gains[j].truncated_mean = -999.;
gains[j].gas_gain_correction = -999.;
}
FILE *fin = fopen(filename.data(), "r");
int linecounter = 0; // set the line counter to the first serial number in the file....
while (!feof(fin)) {
// note space at end of format string to convert last \n
int check = fscanf(fin,
"%d %d %d %d %d %d %d %d %d %f %f %f \n",
&gains[linecounter].gas_gain_index,
&gains[linecounter].endcap,
&gains[linecounter].station,
&gains[linecounter].ring,
&gains[linecounter].chamber,
&gains[linecounter].layer,
&gains[linecounter].hvsegment,
&gains[linecounter].cfeb,
&gains[linecounter].nentries,
&gains[linecounter].mean,
&gains[linecounter].truncated_mean,
&gains[linecounter].gas_gain_correction);
if (check != 12) {
printf("The input file format is not as expected\n");
assert(0);
}
linecounter++;
}
fclose(fin);
if (linecounter == MAX_SIZE) {
std::cout << "Total number of gas gains read in = " << linecounter << std::endl;
} else {
std::cout << "ERROR: Total number of gas-gains read in = " << linecounter
<< " while total number expected = " << MAX_SIZE << std::endl;
}
// Fill the chip corrections with values from the file
for (int i = 0; i < MAX_SIZE; i++) {
itemvector[i].gainCorr = 0.;
if (gains[i].gas_gain_correction > 0.) {
itemvector[i].gainCorr = gains[i].gas_gain_correction;
} else {
// if there is no value, this should be fixed...
std::cout << "ERROR: gas_gain_correction < 0 for index " << gains[i].gas_gain_index << std::endl;
}
}
return cndbGasGainCorr;
}
#endif
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