G4HepRepFileSceneHandler.hh

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// $Id$
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// Joseph Perl  27th January 2002
// A base class for a scene handler to export geometry and trajectories
// to the HepRep xml file format.

#ifndef G4HepRepFileSCENEHANDLER_HH
#define G4HepRepFileSCENEHANDLER_HH

//#define G4HEPREPFILEDEBUG  // Comment this out to suppress debug code.

#include "G4VSceneHandler.hh"
#include "G4Box.hh"
#include "G4Cons.hh"
#include "G4Tubs.hh"
#include "G4Trd.hh"
#include "G4Trap.hh"
#include "G4Sphere.hh"
#include "G4Para.hh"
#include "G4Torus.hh"
#include "G4Polycone.hh"
#include "G4Polyhedra.hh"

// HepRep
#include "G4HepRepFileXMLWriter.hh"

class G4VPhysicalVolume;
class G4LogicalVolume;
class G4ModelingParameters;
class G4VisTrajContext;

class G4HepRepFileSceneHandler: public G4VSceneHandler {

public:
  G4HepRepFileSceneHandler(G4VGraphicsSystem& system,
              const G4String& name);
  virtual ~G4HepRepFileSceneHandler();

  // No need to implement these, but if you do...
  void AddSolid(const G4Box&);
  void AddSolid(const G4Cons&);
  void AddSolid(const G4Tubs&);
  void AddSolid(const G4Trd&);
  void AddSolid(const G4Trap&);
  void AddSolid(const G4Sphere&);
  void AddSolid(const G4Para&);
  void AddSolid(const G4Torus&);
  void AddSolid(const G4Polycone&);
  void AddSolid(const G4Polyhedra&);
  void AddSolid(const G4VSolid&);
  void AddCompound (const G4VTrajectory&);
  void InitTrajectory();
  void AddCompound (const G4VHit&);
  void InitHit();
  void AddCompound (const G4THitsMap<G4double>& hits) {
    G4VSceneHandler::AddCompound(hits);
  }
  void AddCompound (const G4VDigi& digi) {
    G4VSceneHandler::AddCompound(digi);
  }
  // void PreAddSolid(const G4Transform3D& objectTransformation,
  //                 const G4VisAttributes&);
  // void PostAddSolid();

  // Required implementation of pure virtual functions...

  void AddPrimitive(const G4Polyline&);
  void AddPrimitive(const G4Text&);
  void AddPrimitive(const G4Circle&);
  void AddPrimitive(const G4Square&);
  void AddPrimitive(const G4Polyhedron&);
  void AddPrimitive(const G4NURBS&);

  // Further optional AddPrimtive methods.  Explicitly invoke base
  // class methods if not otherwise defined to avoid warnings about
  // hiding of base class methods.
  void AddPrimitive(const G4Polymarker&);
  void AddPrimitive(const G4Scale& scale) {
    G4VSceneHandler::AddPrimitive (scale);
  }

  // Further optional virtual functions...

  // void BeginPrimitives(const G4Transform3D& objectTransformation);
  // void EndPrimitives();

  void BeginModeling();
  void EndModeling();
  
  void BeginPrimitives2D(const G4Transform3D& objectTransformation);
  void EndPrimitives2D();

  // Administration functions.

  //void ClearStore ();
  void ClearTransientStore ();

  // Required...

  G4HepRepFileXMLWriter *GetHepRepXMLWriter();

protected:
  static G4int         fSceneIdCount;  // Counter for HepRep scene handlers.

private:
  G4HepRepFileXMLWriter *hepRepXMLWriter;
  void AddHepRepInstance(const char* primName,
             const G4Visible visible);
  void CheckFileOpen();
  int fileCounter;
  G4bool haveVisible;
  G4bool inPrimitives2D;
  G4bool warnedAbout3DText;
  G4bool warnedAbout2DMarkers;
  G4bool drawingTraj;
  G4bool doneInitTraj;
  G4bool drawingHit;
  G4bool doneInitHit;
  
  const G4VisTrajContext* trajContext;
  
  std::vector<G4AttValue>* trajAttValues;
  std::map<G4String,G4AttDef>* trajAttDefs;
  std::vector<G4AttValue>* hitAttValues;
  std::map<G4String,G4AttDef>* hitAttDefs;
  
#ifdef G4HEPREPFILEDEBUG
  void PrintThings();
#endif

};

#endif