G4ASCIITreeSceneHandler.hh

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// $Id$
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// 
// John Allison  5th April 2001
// A scene handler to dump geometry hierarchy to standard output as
//   ASCII stream.
// Based on a provisional G4ASCIITreeGraphicsScene (was in modeling).

#ifndef G4ASCIITREESCENEHANDLER_HH
#define G4ASCIITREESCENEHANDLER_HH

#include "G4VTreeSceneHandler.hh"

#include <set>
#include <vector>
#include <iostream>
#include <fstream>
#include <sstream>

class G4VPhysicalVolume;

class G4ASCIITreeSceneHandler: public G4VTreeSceneHandler {
public:
  G4ASCIITreeSceneHandler(G4VGraphicsSystem& system,
                          const G4String& name);
  virtual ~G4ASCIITreeSceneHandler();
  virtual void BeginModeling();
  virtual void EndModeling();
protected:
  virtual void RequestPrimitives(const G4VSolid&);
  // Overrides G4VScenehandler::RequestPrimitives and implements dump
  // of the geometry hierarchy.

  void WriteHeader (std::ostream &);

  std::ostream* fpOutFile;      // Pointer to output file.
  std::ofstream fOutFile;       // Actual output file (if not G4cout).
  std::ostringstream fRestOfLine;  // For accumulating rest of line
                                   // pending arrival of new
                                   // G4PVPlacement.
  const G4VPhysicalVolume* fpLastPV;
  G4String fLastPVName;
  G4int    fLastCopyNo;
  G4int    fLastNonSequentialCopyNo;

  std::set<G4LogicalVolume*> fLVSet;
  typedef std::set<G4LogicalVolume*>::iterator LVSetIterator;
  typedef G4PhysicalVolumeModel::G4PhysicalVolumeNodeID PVNodeID;
  typedef std::vector<PVNodeID> PVPath;
  std::set<PVPath> fReplicaSet;
  typedef std::set<PVPath>::iterator ReplicaSetIterator;
  typedef std::set<PVPath>::reverse_iterator ReplicaSetReverseIterator;
};

#endif

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