GaudiHistos_2DFixedBinning.icpp

Go to the documentation of this file.

/***********************************************************************************\
* (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
*                                                                                   *
* In applying this licence, CERN does not waive the privileges and immunities       *
* granted to it by virtue of its status as an Intergovernmental Organization        *
* or submit itself to any jurisdiction.                                             *
\***********************************************************************************/
// ============================================================================
// ==================================== 2D ====================================
// ============================================================================
// book the 2D histogram (book on demand)
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D* GaudiHistos<PBASE>::book2D( const std::string& title, const double lowX, const double highX,
                                                const unsigned long binsX, const double lowY, const double highY,
                                                const unsigned long binsY ) 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, lowX, highX, binsX, lowY, highY, binsY );
}
// ============================================================================
// 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 double lowX,
                                                const double highX, const unsigned long binsX, const double lowY,
                                                const double highY, const unsigned long binsY ) const {
  //
  if ( !produceHistos() ) { return nullptr; } // RETURN
  //
  // Check ID
  if ( ID.undefined() ) {
    this->Error( "Undefined Histogram ID : Title='" + title + "'" ).ignore();
    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, binsX, lowX, highX, binsY, lowY, highY );
  } else if ( ID.literal() ) {
    hist = this->histoSvc()->book( histoPath() + "/" + ID.literalID(), htitle, binsX, lowX, highX, binsY, lowY, highY );
  }

  // Check OK
  if ( !hist ) {
    this->Error( "IHistogram2D* points to NULL! ID='" + ID.idAsString() + "' title='" + htitle + "'" ).ignore();
    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
  return hist;
}
// ============================================================================
// fill the 2D histogram with the values and weight
// ============================================================================
template <class PBASE>
AIDA::IHistogram2D* GaudiHistos<PBASE>::fill( AIDA::IHistogram2D* histo, const double valueX, const double valueY,
                                              const double weight, const std::string& title ) const {
  //
  if ( !histo ) { return nullptr; } // RETURN
  //
  if ( !checkForNaN() ) {
    Gaudi::Utils::Histos::fill( histo, valueX, valueY, weight );
  } else if ( std::isfinite( valueX ) && std::isfinite( valueY ) && std::isfinite( weight ) ) {
    Gaudi::Utils::Histos::fill( histo, valueX, valueY, weight );
  } else if ( std::isnan( valueX ) || std::isnan( valueY ) || std::isnan( weight ) ) {
    this->Warning( "fill():: 'NaN'      value is skipped from the histogram '" +
                   Gaudi::Utils::Histos::htitle( histo, title ) + "'" )
        .ignore();
  } else {
    this->Warning( "fill():: 'Infinite' value is skipped from the histogram '" +
                   Gaudi::Utils::Histos::htitle( histo, title ) + "'" )
        .ignore();
  }
  // return
  return histo;
}
// ============================================================================
// 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 double lowX, const double highX, const double lowY,
                                                const double highY, const unsigned long binsX,
                                                const unsigned long binsY, const double weight ) const {
  AIDA::IHistogram2D* h( nullptr );
  if ( produceHistos() ) {
    // retrieve or book the histogram
    h = histo2D( title );
    if ( !h ) { h = book2D( title, lowX, highX, binsX, lowY, highY, binsY ); }
    // fill the histogram
    h = fill( h, valueX, valueY, weight, title );
  }
  return h;
}
// ============================================================================
// fill the 2D 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 double lowX, const double highX,
                                                const double lowY, const double highY, const unsigned long binsX,
                                                const unsigned long binsY, const double weight ) const {
  AIDA::IHistogram2D* h( nullptr );
  // produce histograms ?
  if ( produceHistos() ) {
    // retrieve or book the histogram
    h = histo2D( ID );
    if ( !h ) { h = book2D( ID, title, lowX, highX, binsX, lowY, highY, binsY ); }
    // fill the histogram
    h = fill( h, valueX, valueY, weight, title );
  }
  return h;
}
// ============================================================================
// The END
// ============================================================================