//
// ********************************************************************
// * DISCLAIMER                                                       *
// *                                                                  *
// * The following disclaimer summarizes all the specific disclaimers *
// * of contributors to this software. The specific disclaimers,which *
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// *   http://cern.ch/geant4/license                                  *
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// * GEANT4 collaboration.                                            *
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//
// $Id: G4VRML2FileViewer.hh,v 1.7 2001/09/18 07:53:08 stanaka Exp $
// GEANT4 tag $Name: geant4-04-00 $
//
// G4VRML2FileViewer.hh
// Satoshi Tanaka and Yasuhide Sawada

#ifndef G4VRML2FILE_VIEWER_HH
#define G4VRML2FILE_VIEWER_HH

#include "g4std/fstream"
#include "G4VViewer.hh"
#include "globals.hh"

class G4VRML2FileSceneHandler;

class G4VRML2FileViewer: public G4VViewer {
public:
	G4VRML2FileViewer(G4VRML2FileSceneHandler& scene, const G4String& name = "");
	virtual ~G4VRML2FileViewer();
	void ClearView();
	void DrawView();
	void ShowView();
	void FinishView();
private:
	void SetView(); // Do nothing. SendViewParameters will do its job.
	void SendViewParameters ()  ;

private:
	G4VRML2FileSceneHandler& fSceneHandler; // Reference to Graphics Scene for this view.
	G4std::ofstream&         fDest ;

	G4double      fViewHalfAngle ;	
	G4double      fsin_VHA       ;	

};

#endif //G4VRML2File_VIEW_HH