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SoLevelOfDetail.h

/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public License
 *  version 2.1 as published by the Free Software Foundation. See the
 *  file LICENSE.LGPL at the root directory of the distribution for
 *  more details.
 *
 *  If you want to use Coin for applications not compatible with the
 *  LGPL, please contact SIM to acquire a Professional Edition license.
 *
 *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
 *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
 *
\**************************************************************************/

#ifndef COIN_SOLEVELOFDETAIL_H
#define COIN_SOLEVELOFDETAIL_H

#include <Inventor/nodes/SoSubNode.h>
#include <Inventor/nodes/SoGroup.h>
#include <Inventor/fields/SoMFFloat.h>


class COIN_DLL_API SoLevelOfDetail : public SoGroup {
  typedef SoGroup inherited;

  SO_NODE_HEADER(SoLevelOfDetail);

public:
  static void initClass(void);

  SoLevelOfDetail(void);
  SoLevelOfDetail(int numchildren);

  SoMFFloat screenArea;

  virtual void doAction(SoAction * action);
  virtual void callback(SoCallbackAction * action);
  virtual void GLRender(SoGLRenderAction * action);
  virtual void rayPick(SoRayPickAction * action);

protected:
  virtual ~SoLevelOfDetail();

private:
  void commonConstructor(void);
};

#endif // !COIN_SOLEVELOFDETAIL_H

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