DetectorDescription/ROOTGeo/include/ROOTGeo/SubDetectorROOTGeo.h

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//$id$
/*
 *    2004/12/9    Zhengyun You      Peking University
 *                 ROOT Geometry for Bes sub-detector in event display and reconstruction.
 *
 */
 
#ifndef SUBDETECTOR_ROOT_GEO_H
#define SUBDETECTOR_ROOT_GEO_H
 
#include <string>
 
#include <TGeoNode.h>
#include <TGeoVolume.h>
 
#include "Saxana/ProcessingConfigurator.h"
#include "Saxana/SAXProcessor.h"
 
#include "Processor/TGDMLProcessor.h"
 
/**
 * Class SubDetectorROOTGeo is a base class for the four subdetector
 * ROOT geometry class.
 *
 * @author Zhengyun You \URL{mailto:youzy@hep.pku.cn}
 *
 */
 
class SubDetectorROOTGeo {
public:
  /// Constructor.
  SubDetectorROOTGeo();
 
  /// Destructor.
  virtual ~SubDetectorROOTGeo();
 
  /// Initialize the instance of ROOTGeo.
  void ReadGdml( const char* gdmlFile, const char* setupName );
 
  /// If the ROOT geometry of this subdetctor is initialized;
  int IsInitialized() { return m_ROOTGeoInit; }
 
  // Set child no of this subdetector in bes;
  void SetChildNo( int childNo ) { m_childNo = childNo; }
 
  /// Get a logical volume by name;
  TGeoVolume* GetLogicalVolume( const std::string& vn );
 
  /// Get the top(world) volume;
  TGeoVolume* GetTopVolume() { return m_TopVolume; }
 
  /// Get an assembly by name;
  TGeoVolumeAssembly* GetAssemblyVolume( const std::string& an );
 
  /// Get a node(physical volume) by name;
  TGeoNode* GetNode( const std::string& nn );
 
private:
  SAXProcessor           m_sxp;
  ProcessingConfigurator m_config;
 
protected:
  // Have we initialize the geometry.
  int m_ROOTGeoInit;
  int m_childNo; // child no of this subdetector in bes.
 
  TGeoVolume* m_TopVolume;
};
 
#endif /* SUBDETECTOR_ROOT_GEO_H */