DetectorDescription/G4Geo/include/G4Geo/SubDetectorG4Geo.h

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//$id$
/*
 *    2005/10/31    Zhengyun You      Peking University
 *                  G4 Geometry for Bes sub-detector in simulation and track ext in
 * reconstruction.
 *
 */
 
#ifndef SUBDETECTOR_G4_GEO_H
#define SUBDETECTOR_G4_GEO_H
 
#include <string>
 
#include "G4Color.hh"
#include "G4LogicalVolume.hh"
#include "G4VPhysicalVolume.hh"
#include "G4VisAttributes.hh"
 
#include "G4Processor/GDMLProcessor.h"
#include "Saxana/ProcessingConfigurator.h"
#include "Saxana/SAXProcessor.h"
 
/**
 * Class SubDetectorG4Geo is a base class for the four subdetector
 * G4 geometry class.
 *
 * @author Zhengyun You \URL{mailto:youzy@hep.pku.cn}
 *
 */
 
class SubDetectorG4Geo {
public:
  /// Constructor.
  SubDetectorG4Geo();
 
  /// Destructor.
  virtual ~SubDetectorG4Geo();
 
  /// Initialize the instance of G4Geo.
  void ReadGdml( const char* gdmlFile, const char* setupName );
 
  /// If the G4 geometry of this subdetctor is initialized;
  int IsInitialized() { return m_G4GeoInit; }
 
  /// Get a logical volume by name;
  G4LogicalVolume* GetLogicalVolume( const std::string& vn );
 
  /// Get the top(world) volume;
  G4LogicalVolume* GetTopVolume() { return m_TopVolume; }
 
private:
  SAXProcessor           m_sxp;
  ProcessingConfigurator m_config;
 
protected:
  // Have we initialize the geometry.
  int m_G4GeoInit;
 
  G4LogicalVolume* m_TopVolume;
};
 
#endif /* SUBDETECTOR_G4_GEO_H */