G4BaseHistoUtilities.cc

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// $Id$

// Author: Ivana Hrivnacova, 24/07/2014  (ivana@ipno.in2p3.fr)

#include "G4BaseHistoUtilities.hh"
#include "G4AnalysisUtilities.hh"

#include "tools/histo/axis"

namespace G4Analysis
{

//_____________________________________________________________________________
G4int GetNbins(const G4ToolsBaseHisto& baseHisto, G4int dimension)
{
  return baseHisto.get_axis(dimension).bins();
}  

//_____________________________________________________________________________
G4double GetMin(const G4ToolsBaseHisto& baseHisto, G4int dimension)
{
// Returns min data value

  return baseHisto.get_axis(dimension).lower_edge();
}  

//_____________________________________________________________________________
G4double GetMax(const G4ToolsBaseHisto& baseHisto, G4int dimension)
{
// Returns max data value

  return baseHisto.get_axis(dimension).upper_edge();
}  

//_____________________________________________________________________________
G4double GetWidth(const G4ToolsBaseHisto& baseHisto, G4int dimension,
                  const G4String& hnType)
{
  auto nbins = baseHisto.get_axis(dimension).bins();
  if ( ! nbins ) {
    G4String functionName = "Get";
    functionName += hnType;
    functionName += "Width";
    G4ExceptionDescription description;
    description << "    nbins = 0 (for " << hnType << ").";
    G4Exception(functionName, "Analysis_W014", JustWarning, description);
    return 0.;
  }              
  
  return ( baseHisto.get_axis(dimension).upper_edge() 
           - baseHisto.get_axis(dimension).lower_edge() )/nbins;
}  

//_____________________________________________________________________________
G4bool SetTitle(G4ToolsBaseHisto& baseHisto, const G4String& title)
{
  return baseHisto.set_title(title);
}  

//_____________________________________________________________________________
G4bool SetAxisTitle(G4ToolsBaseHisto& baseHisto, G4int dimension, 
                    const G4String& title)
{
  if ( dimension == kX ) {
    baseHisto.add_annotation(tools::histo::key_axis_x_title(), title);
  }
  else if ( dimension == kY ) {  
    baseHisto.add_annotation(tools::histo::key_axis_y_title(), title);
  }
  else if ( dimension == kZ ) {  
    baseHisto.add_annotation(tools::histo::key_axis_z_title(), title);
  }
  
  return true;
}  

//_____________________________________________________________________________
G4String GetTitle(const G4ToolsBaseHisto& baseHisto)
{
  return baseHisto.title();
}  


//_____________________________________________________________________________
G4String GetAxisTitle(const G4ToolsBaseHisto& baseHisto, G4int dimension,
                      const G4String& hnType) 
{
  G4String title;
  G4bool result = false;
  if ( dimension == kX ) {
    result = baseHisto.annotation(tools::histo::key_axis_x_title(), title);
  }  
  else if ( dimension == kY ) {  
    result = baseHisto.annotation(tools::histo::key_axis_y_title(), title);
  }
  else if ( dimension == kZ ) {  
    result = baseHisto.annotation(tools::histo::key_axis_z_title(), title);
  }

  if ( ! result ) {
    G4String axes("xyz");
    G4String axis = axes(dimension, 1);
    G4String functionName = "Get";
    functionName += hnType;
    functionName += axis;
    functionName += "Title";
    G4ExceptionDescription description;
    description << "    Failed to get " << axis << " axis " << hnType << " title.";
    G4Exception(functionName, "Analysis_W014", JustWarning, description);
    return "";
  }
  
  return title;              
} 

}