GaudiHistos_2DVariableBinning.icpp

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// ==================================== 2D ====================================
// ============================= Variable Binning =============================
// ============================================================================
// book the 2D histogram (book on demand)
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D*  GaudiHistos<PBASE>::book2D
( const std::string&   title        ,
  const HistoBinEdges& edgesX       ,
  const HistoBinEdges& edgesY       ) const
{
  //
  if  ( !produceHistos() )                   { return nullptr; } // RETURN
  //
  // exist?
  auto hist = histo2D ( title ) ;
  // histogram is already booked
  if ( hist )                                { return hist ; } // RETURN !!

  // propose the histogram ID
  HistoID ID;
  newHistoID( title, ID );

  // Create a new histogram and return
  return this -> book2D ( ID, title, edgesX, edgesY );
}
// ============================================================================
// book the 2D histogram with forced ID (book on demand)
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D*  GaudiHistos<PBASE>::book2D
( const HistoID&       ID           ,
  const std::string&   title        ,
  const HistoBinEdges& edgesX       ,
  const HistoBinEdges& edgesY       ) const
{
  //
  if  ( !produceHistos() )                   { return nullptr; } // RETURN
  //
  // Check ID
  if (ID.undefined())
  {
    this->Error("Undefined Histogram ID : Title='"+title+"'");
    return nullptr;
  }

  // exist?
  auto hist = histo2D ( ID ) ;
  // histogram is already booked
  if ( hist )                 { return hist ; } // RETURN !!

  // Histogram title
  const std::string & htitle =
    ( title.empty() ? "Unnamed 2D Histogram ID="+ID.idAsString() : title ) ;

  // book the histogram
  if ( ID.numeric() )
  {
    hist = this->histoSvc() -> book ( histoPath()  ,
                                      ID.numericID() ,
                                      htitle       ,
                                      edgesX       ,
                                      edgesY       ) ;
  }
  else if ( ID.literal() )
  {
    hist = this->histoSvc() -> book ( histoPath()+"/"+
                                      ID.literalID() ,
                                      htitle         ,
                                      edgesX         ,
                                      edgesY         ) ;
  }

  // check OK
  if( !hist )
  { this->Error( "IHistogram2D* points to NULL! ID='" + ID.idAsString() +
                 "' title='"+htitle+"'" ) ; return nullptr; } // RETURN !!

  // add histogram into histogram storages
  m_histo2DMapID    [ ID    ] = hist ;
  m_histo2DMapTitle [ title ] = hist ;

  // Declare to monitoring service
  monitorHisto( Gaudi::Utils::Histos::toBase ( hist ) , ID );

  // Printout and return
  if ( this->msgLevel(MSG::DEBUG) )
  { this->debug() << "Booked 2D Histogram : ID='" << ID
                  << "' Path=" << histoPath()
                  << " Title='"
                  << Gaudi::Utils::Histos::htitle ( hist )
                  << "'" << endmsg; }
  return hist ;
}
// ============================================================================
// fill the 2D histogram (book on demand)
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D*
GaudiHistos<PBASE>::plot2D
( const double        valueX ,
  const double        valueY ,
  const std::string&  title  ,
  const HistoBinEdges& edgesX ,
  const HistoBinEdges& edgesY ,
  const double        weight ) const
{
  AIDA::IHistogram2D * h(nullptr);
  if ( produceHistos() )
  {
    // retrieve or book the histogram
    h = histo2D ( title ) ;
    if ( !h ) { h = book2D ( title , edgesX , edgesY ) ; }
    // fill the histogram
    h = fill ( h , valueX , valueY , weight , title );
  }
  return h;
}
// ============================================================================
// fill the 2D variable histogram with forced ID assignment (book on demand)
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D*
GaudiHistos<PBASE>::plot2D
( const double        valueX ,
  const double        valueY ,
  const HistoID&      ID     ,
  const std::string&  title  ,
  const HistoBinEdges& edgesX ,
  const HistoBinEdges& edgesY ,
  const double        weight ) const
{
  AIDA::IHistogram2D * h(nullptr);
  if ( produceHistos() )
  {
    // retrieve or book the histogram
    h = histo2D ( ID ) ;
    if ( !h ) {  h = book2D ( ID , title , edgesX , edgesY ) ; }
    // fill
    h = fill ( h , valueX , valueY , weight , title ) ;
  }
  return h;
}
// ============================================================================
// The END
// ============================================================================