ARICHCalibrationChecker.cc

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
/* Own header. */
#include <arich/calibration/ARICHCalibrationChecker.h>
 
/* ARICH headers. */
#include <arich/dbobjects/ARICHChannelMask.h>
 
/* Belle II headers. */
#include <framework/database/Database.h>
#include <framework/database/DBStore.h>
#include <framework/database/Configuration.h>
#include <framework/datastore/DataStore.h>
 
/* ROOT headers. */
#include <TFile.h>
#include <TTree.h>
 
using namespace Belle2;
 
ARICHCalibrationChecker::ARICHCalibrationChecker() :
  m_experiment(0),
  m_run(0)
{
}
 
ARICHCalibrationChecker::~ARICHCalibrationChecker()
{
}
 
void ARICHCalibrationChecker::setExperimentRun(int experiment, int run)
{
  m_experiment = experiment;
  m_run = run;
  if (m_EventMetaData.isValid()) {
    m_EventMetaData->setExperiment(experiment);
    m_EventMetaData->setRun(run);
  }
}
 
void ARICHCalibrationChecker::initializeDatabase()
{
  /* Mimic a module initialization. */
  DataStore::Instance().setInitializeActive(true);
  m_EventMetaData.registerInDataStore();
  DataStore::Instance().setInitializeActive(false);
  if (!m_EventMetaData.isValid())
    m_EventMetaData.construct(1, m_run, m_experiment);
  /* Database instance and configuration. */
  DBStore& dbStore = DBStore::Instance();
  dbStore.update();
  dbStore.updateEvent();
  auto& dbConfiguration = Conditions::Configuration::getInstance();
  if ((m_testingPayloadName != "") and (m_GlobalTagName == ""))
    dbConfiguration.prependTestingPayloadLocation(m_testingPayloadName);
  else if ((m_testingPayloadName == "") and (m_GlobalTagName != ""))
    dbConfiguration.prependGlobalTag(m_GlobalTagName);
  else
    B2FATAL("Setting both testing payload and Global Tag or setting no one of them.");
}
 
void ARICHCalibrationChecker::resetDatabase()
{
  /* Reset both DataStore and Database. */
  DataStore::Instance().reset();
  // Database::Instance().reset(false);
  Database::Instance().reset(true); // keep the configuration
  DBStore::Instance().reset(false);
}
 
int  ARICHCalibrationChecker::getRing(int modID)
{
  if (modID <= 42)  return 1;
  if (modID <= 90)  return 2;
  if (modID <= 144) return 3;
  if (modID <= 204) return 4;
  if (modID <= 270) return 5;
  if (modID <= 342) return 6;
  if (modID <= 420) return 7;
  return 0;
}
 
int ARICHCalibrationChecker::getSector(int modID)
{
  if (getRing(modID) == 1) return (modID - 1) / 7 + 1;
  if (getRing(modID) == 2) return (modID - 43) / 8 + 1;
  if (getRing(modID) == 3) return (modID - 91) / 9 + 1;
  if (getRing(modID) == 4) return (modID - 145) / 10 + 1;
  if (getRing(modID) == 5) return (modID - 205) / 11 + 1;
  if (getRing(modID) == 6) return (modID - 271) / 12 + 1;
  if (getRing(modID) == 7) return (modID - 343) / 13 + 1;
  return 0;
}
 
void ARICHCalibrationChecker::checkChannelMask()
{
  /* Initialize the database. */
  initializeDatabase();
  /* Now we can read the payload. */
  DBObjPtr<ARICHChannelMask> channelMask;
  if (!channelMask.isValid())
    B2FATAL("ARICHChannelMask is not valid.");
  if (m_GlobalTagName != "")
    printPayloadInformation(channelMask);
  /* Create tree with fractions of masked channels in each sector. */
  float frac_masked_sector[6] = {0.};
  float frac_masked = 0.;
  TFile* channelMaskResults =
    new TFile(m_channelMaskResultsFile.c_str(), "recreate");
  TTree* maskTree = new TTree("arich_masked", "ARICH channel masking");
  maskTree->Branch("experiment", &m_experiment, "experiment/I");
  maskTree->Branch("run", &m_run, "run/I");
  maskTree->Branch("frac_masked_sector", &frac_masked_sector, "frac_masked_sector[6]/F");
  maskTree->Branch("frac_masked", &frac_masked, "frac_masked/F");
 
  for (int mod = 1; mod < 421; mod++) {
    int sector = getSector(mod);
    for (int chn = 0; chn < 144; chn++) {
      if (!channelMask->isActive(mod, chn)) { frac_masked_sector[sector - 1]++; frac_masked++;}
    }
  }
 
  for (int sec = 0; sec < 6; sec++) frac_masked_sector[sec] /= 10080.;
  frac_masked /= 60480.;
  maskTree->Fill();
 
  maskTree->Write();
  delete maskTree;
  delete channelMaskResults;
  /* Reset the database. Needed to avoid mess if we call this method multiple times with different GTs. */
  resetDatabase();
}