GeoShieldGroup.h

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//
// GeoShieldGroup
//
// GeoShieldGroup is a helper class used by GeoGeometry to manage one
// group of detector shield planes
//
// Author:  S. Kasahara 10/05
//

#ifndef GEOSHIELDGROUP_H
#define GEOSHIELDGROUP_H

#include <list>
#include "GeoShield.h" // for enumerated group type

class GeoGeometry; // stores reference to creator

class GeoShieldGroup : public TObject {

  friend class GeoShield; // constructs GeoShieldGroup
  
 public:

  // Constructors/Destructors
  GeoShieldGroup():fGeoGeometry(0),fGroup(GeoShield::kUnknown),
                   fPoints(),fVolumes(){} // def ctor
  virtual ~GeoShieldGroup();
      
  // State testing methods
  std::list<const TGeoVolume*> GetListOfVolumes() const { return fVolumes; }
      
  virtual void Print(Option_t* option="") const;

  // State changing methods

  // add volume to group list, volume is NOT adopted
  void AddVolume(const TGeoVolume* volume, const UgliDbiSteelPln* stRow); 

 protected:

  // Normal constructor
  GeoShieldGroup(GeoGeometry* geo, GeoShield::EGroupType grp);
  void BuildNode(TGeoVolume* hallVol);
  
 private:

  // Disable copy and assignment ctor by making them private and w/no imp
  GeoShieldGroup(const GeoShieldGroup& that);
  GeoShieldGroup& operator=(const GeoShieldGroup& that);
  
  // data members
  GeoGeometry* fGeoGeometry; 
  GeoShield::EGroupType fGroup; // group type
  Double_t fPoints[2][3];  // points defining cnrs of bounding box shape
  // volumes belonging to this grp, TGeoVolumes are not owned
  std::list<const TGeoVolume*> fVolumes; 
  
  ClassDef(GeoShieldGroup,1)
};

#endif // GEOSHIELDGROUP_H

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