DTCalibrationMap.h

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#ifndef DTCalibration_DTCalibrationMap_H
#define DTCalibration_DTCalibrationMap_H

#include "DataFormats/MuonDetId/interface/DTWireId.h"

#include <string>
#include <map>
#include <vector>

namespace edm {
  class ParameterSet;
}

class DTCalibrationMap {
public:
  DTCalibrationMap(const edm::ParameterSet& pset);

  virtual ~DTCalibrationMap();

  // Operations

  float tTrig(DTWireId wireId) const;

  float sigma_tTrig(DTWireId wireId) const;

  float kFactor(DTWireId wireId) const;

  float meanVDrift(DTWireId wireId) const;

  float sigma_meanVDrift(DTWireId wireId) const;

  typedef std::vector<float> CalibConsts;
  typedef DTWireId Key;
  typedef std::map<Key, CalibConsts>::const_iterator const_iterator;

  // Clean the map
  void cleanTheConsts() { theMap.clear(); }

  // Get a particular number (field) between all the calibration
  // constants available for a particluar wire
  float getField(DTWireId wireId, int field) const;

  // Get from the map the calibration constants for a particular wire
  const CalibConsts* getConsts(DTWireId wireId) const;

  // Add to the map the calibration consts for a given key
  void addCell(Key wireId, const CalibConsts& calibConst);

  // Write the calibration consts to a file
  void writeConsts(const std::string& outputFileName) const;

  // Get a key to read calibration constants for a particular wire
  // with the given granularity
  Key getKey(DTWireId wireId) const;

  const_iterator keyAndConsts_begin() const { return theMap.begin(); }

  const_iterator keyAndConsts_end() const { return theMap.end(); }

protected:
private:
  // Specify the granularity for the calibration constants
  enum CalibGranularity { byChamber, bySL, byLayer, byWire };
  CalibGranularity theGranularity;

  // Read the calibration consts from a file
  void readConsts(const std::string& inputFileName);

  // Check the consistency of a given key with the selected granularity
  bool checkGranularity(Key aKey) const;

  // The number of fields (calibration numbers) to be read from file
  unsigned int nFields;

  // The name of the file containing the calibration constants
  std::string calibConstFileName;

  // Define the granularity to be used for t0
  std::string calibConstGranularity;

  // The map between the Key and the calibration constants
  std::map<Key, CalibConsts> theMap;
};

#endif