G4OpenInventorSceneHandler.hh

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// J Kallenbach  27th Aug 1996
// OpenInventor scene handler - creates OpenInventor Display lists.
// 20 dec 1996  jck  Add HEPVis primitives - trd, box, etc.

#ifndef G4OPENINVENTORSCENEHANDLER_HH
#define G4OPENINVENTORSCENEHANDLER_HH

#ifdef G4VIS_BUILD_OI_DRIVER

// Inheritance :
#include "G4VSceneHandler.hh"

#include "G4PhysicalVolumeModel.hh"

#include <map>

class G4OpenInventor;
class SoSeparator;
class Geant4_SoStyleCache;
class G4VisAttributes;

// Base class for various OpenInventorScene classes.
class G4OpenInventorSceneHandler: public G4VSceneHandler {

friend class G4OpenInventorViewer;

public:

  G4OpenInventorSceneHandler (G4OpenInventor& system, const G4String& name = "");
  virtual ~G4OpenInventorSceneHandler ();
  void AddPrimitive (const G4Polyline& line);
  void AddPrimitive (const G4Text&);
  void AddPrimitive (const G4Circle&);
  void AddPrimitive (const G4Square&);
  void AddPrimitive (const G4Polyhedron& p);
  void AddPrimitive (const G4Polymarker&);
  // Explicitly invoke base class methods to avoid warnings about
  // hiding of base class methods.
  void AddPrimitive (const G4Scale& scale) {
    G4VSceneHandler::AddPrimitive (scale);
  }
  // Other inherited functions.
  void    ClearStore ();
  void    ClearTransientStore ();
  
  //
  // Primitives for use of HEPVis
  //
  void PreAddSolid (const G4Transform3D& objectTransformation,
        const G4VisAttributes& visAttribs);
  void BeginPrimitives (const G4Transform3D& objectTransformation);

private:

  static G4int fSceneIdCount;   // static counter for OpenInventor scenes.
  enum G4OIMarker {G4OICircle, G4OISquare};
  void AddCircleSquare (G4OIMarker markerType, const G4VMarker&);
  void GeneratePrerequisites();
  void AddProperties(const G4VisAttributes*);
  // AddTransform takes fObjectTransformation and "adds" a translation.
  void AddTransform(const G4Point3D& translation = G4Point3D());
  std::map <G4LogicalVolume*, SoSeparator*,
    std::less <G4LogicalVolume*> > fSeparatorMap;
  SoSeparator* fRoot;
  SoSeparator* fDetectorRoot;
  SoSeparator* fTransientRoot;
  SoSeparator* fCurrentSeparator;
  G4bool fModelingSolid;
  G4bool fReducedWireFrame;
  Geant4_SoStyleCache* fStyleCache;
  bool fPreviewAndFull;
};

#endif

#endif