JHeadToolkit.hh

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#ifndef __JAANET_JHEADTOOLKIT__
#define __JAANET_JHEADTOOLKIT__
 
#include <string>
#include <map>
 
#include "km3net-dataformat/offline/Vec.hh"
#include "km3net-dataformat/offline/Head.hh"
#include "km3net-dataformat/definitions/applications.hh"
 
#include "JGeometry3D/JPosition3D.hh"
#include "JGeometry3D/JCylinder3D.hh"
 
#include "JAAnet/JHead.hh"
 
 
/**
 * \author mdejong
 */
namespace JAANET {
 
  using JGEOMETRY3D::JPosition3D;
  using JGEOMETRY3D::JCylinder3D;
 
  /**
   * Type definition of test function of header.
   */
  typedef bool (*is_head)(const JHead&);
 
  
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by genhen; else false
   */
  inline bool is_genhen(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_GENHEN) {
        return true;
      }
    }
 
    for (const auto& i : header.physics) { // legacy
      if (i.buffer.find(APPLICATION_GENHEN) != std::string::npos) {
        return true;
      }
    }
 
    return false;
  }
 
  
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by gSeaGen; else false
   */
  inline bool is_gseagen(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_GSEAGEN) {
        return true;
      }
    }
 
    for (const auto& i : header.physics) { // legacy
      if (i.buffer.find(APPLICATION_GSEAGEN) != std::string::npos) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by MUPAGE; else false
   */
  inline bool is_mupage(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_MUPAGE) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by Corsika; else false
   */
  inline bool is_corsika(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_CORSIKA) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by km3buu; else false
   */
  inline bool is_km3buu(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_KM3BUU) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for detector simulation.
   *
   * \param  header        header
   * \return               true if this header is processed with km3; else false
   */
  inline bool is_km3(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_KM3) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for detector simulation.
   *
   * \param  header        header
   * \return               true if this header is processed with KM3Sim; else false
   */
  inline bool is_km3sim(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_KM3SIM) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for detector simulation.
   *
   * \param  header        header
   * \return               true if this header is processed with JSirene; else false
   */
  inline bool is_sirene(const JHead& header)
  {
    for (const auto& i : header.simul) {
      if (i.program == APPLICATION_JSIRENE) {
        return true;
      }
    }
 
    return false;
  }
 
 
  /**
   * Check for generator.
   *
   * \param  header        header
   * \return               true if this header is produced by pure noise; else false
   */
  inline bool is_pure_noise(const JHead& header)
  {
    return header.K40.livetime_s > 0.0;
  }
 
 
  /**
   * Check for real data.
   *
   * \param  header        header
   * \return               true if this header corresponds to real data; else false
   */
  inline bool is_daq(const JHead& header)
  {
    return header.DAQ.livetime_s > 0.0;
  }
 
 
  /**
   * Check for Monte-Carlo simulations.
   *
   * \param  header        header
   * \return               true if this header corresponds to a Monte-Carlo simulation; else false
   */
  inline bool is_MC(const JHead& header)
  {
    return (is_gseagen(header) ||
            is_mupage (header) ||
            is_corsika(header) ||
            is_km3buu (header) ||
            is_genhen (header));
  }
 
 
  /**
   * Auxiliary map of application to check method.
   */
  struct JHeadHelper :
    public std::map<std::string, is_head>
  {
    /**
     * Default constructor.
     */
    JHeadHelper()
    {
      (*this)[APPLICATION_GENHEN]   =  is_genhen;
      (*this)[APPLICATION_GSEAGEN]  =  is_gseagen;
      (*this)[APPLICATION_MUPAGE]   =  is_mupage;
      (*this)[APPLICATION_CORSIKA]  =  is_corsika;
      (*this)[APPLICATION_KM3BUU]   =  is_km3buu;
      (*this)[APPLICATION_KM3]      =  is_km3;
      (*this)[APPLICATION_KM3SIM]   =  is_km3sim;
      (*this)[APPLICATION_JSIRENE]  =  is_sirene;
      (*this)["DAQ"]                =  is_daq;
    }
 
 
    /**
     * Get check method for given application.
     *
     * \param  application   application
     * \return               check method
     */
    is_head operator()(const std::string& application) const
    {
      return this->at(application);
    }
  };
 
 
  /**
   * Function object to get check method for given application.
   */
  static JHeadHelper get_is_head;
 
 
  /**
   * Get offset.
   *
   * For consistency with the position of the detector,
   * a pending offset should be added to the positions of generated tracks (i.e. Evt::mc_trks).
   *
   * The main logic can be summarised as follows.
   *   -# if
   *   JHead::fixedcan       is defined, the values correspond to an offset that has already been applied,
   *   <tt>(0,0,0)</tt>      is returned;
   *   -# else if
   *   JHead::can            is defined, the values correspond to a z-range that has already been applied,
   *   <tt>(0,0,-zmin)</tt>  is returned;
   *   -# else if
   *   JHead::coord_origin   is defined, the values correspond to an offset that has not yet been applied,
   *   <tt>(x,y,z)</tt>      is returned;
   *   -# else
   *   <tt>(0,0,0)</tt>      is returned;
   *
   * \param  header   header
   * \return          position
   */
  inline Vec getOffset(const JHead& header)
  {
    if      (header.is_valid(&JHead::fixedcan))
      return Vec(0.0, 0.0, 0.0);
    else if (header.is_valid(&JHead::can))
      return Vec(0.0, 0.0, -header.can.zmin);
    else if (header.is_valid(&JHead::coord_origin))
      return header.coord_origin;
    else
      return Vec(0.0, 0.0, 0.0);
  }
 
 
  /**
   * Get origin.
   *
   * The origin corresponds to the offset that has already been applied to the positions of generated tracks (i.e. Evt::mc_trks).
   *
   * The main logic can be summarised as follows.
   *   -# if
   *   JHead::fixedcan              is defined, the values correspond to the offset that has already been applied,
   *   <tt>(x,y,0)</tt>             is returned;
   *   -# else if
   *   JHead::can                   is defined, the values correspond to a z-range that  has already been applied,
   *   <tt>(0,0,zmin)</tt>          is returned;
   *   -# else if
   *   JHead::coord_origin          is defined, the values correspond to the offset that has not yet been applied,
   *   <tt>(0,0,0)</tt>             is returned;
   *   -# else
   *   <tt>(0,0,0)</tt>             is returned;
   *
   * \param  header   header
   * \return          position
   */
  inline Vec getOrigin(const JHead& header)
  {
    if      (header.is_valid(&JHead::fixedcan))
      return Vec(header.fixedcan.xcenter, header.fixedcan.ycenter, 0.0);
    else if (header.is_valid(&JHead::can))
      return Vec(0.0, 0.0, header.can.zmin);
    else if (header.is_valid(&JHead::coord_origin))
      return Vec(0.0, 0.0, 0.0);
    else
      return Vec(0.0, 0.0, 0.0);
  }
 
 
  /**
   * Get cylinder corresponding to the positions of generated tracks (i.e. Evt::mc_trks).
   *
   * For consistency with the position of the detector,
   * the pending offset (see method JAANET::getOffset) should be added to the position of cylinder.
   *
   * \param  header   header
   * \return          cylinder
   */
  inline JCylinder3D getCylinder(const JHead& header)
  {
    using namespace JPP;
 
    if        (header.is_valid(&JHead::fixedcan)) {
 
      return JCylinder3D(JCircle2D(JVector2D(header.fixedcan.xcenter,
                                             header.fixedcan.ycenter), 
                                   header.fixedcan.radius),
                         header.fixedcan.zmin,
                         header.fixedcan.zmax);
 
    } else if (header.is_valid(&JHead::can)) {
 
      return JCylinder3D(JCircle2D(JVector2D(), header.can.r),
                         header.can.zmin,
                         header.can.zmax);
    } else {
 
      return JCylinder3D();
    }
  }
}
 
#endif