/*
 * TrkSigmaDeflHistoAction.h
 *
 *  Created on: 2009-06-17
 *      Author: S. Ricciarini
 */
/*! @file TrkSigmaDeflHistoAction.h The TrkSigmaDeflHistoAction class declaration file. */

#ifndef TrkSigmaDeflHISTOACTION_H_
#define TrkSigmaDeflHISTOACTION_H_

#include "../CollectionAction/CollectionAction.h"
#include <TH2F.h>

/*! @brief An action that, given the rigidity bins, fills the histogram with the number of events for which the deflection error (sigma_defl) is smaller than minimum bin deflection=1/(maximum bin rigidity). For each event, the content of ALL the rigidity bins, which satisfy the above condition, is increased by 1.
 */
class TrkSigmaDeflHistoAction: public CollectionAction {

public:
  /*! @brief Constructor.
   *
   * @param actionName The action's name.
   * @param binning A vector containing the histogram binning in rigidity (with sign)
   */

  TrkSigmaDeflHistoAction(const char *actionName, std::vector<float> binning);

  /*! @brief Destructor */
  ~TrkSigmaDeflHistoAction() {
  }

  /*! @brief Fills histogram with the selected event.
   *
   * @param event The selected event.
   */
  void OnGood(PamLevel2 *event);

  void Finalize() {
  }

  /*! @brief Returns the histogram.
   *
   * @return A reference to a vector containing the values of the bins of the histogram.
   */
  vector<UInt_t> &GetHisto() {
    return _histogram;
  }

private:

  std::vector<float> _binning;
  vector<UInt_t> _histogram;

};

#endif /* TrkSigmaDeflHISTOACTION_H_ */