include/vrvOsg/Dt3DGreatCircleArcModelInstance.h

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/******************************************************************************
** Copyright (c) 2012 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/Dt3DSegmentedLineModelInstance.h>

#include <osg/Geode>
#include <osg/Geometry>
#include <osg/BlendColor>
#include <osg/LineWidth>
#include <osg/Shape>
#include <osg/ShapeDrawable>
#include <osg/MatrixTransform>


namespace makVrv
{
   class DtGreatCircleArc;
   class Dt3DGreatCircleArcModelInstanceSegment;

   class DT_DLL_VRVOSG Dt3DGreatCircleArcModelInstance
      : public Dt3DSegmentedLineModelInstance
   {
   public:

      Dt3DGreatCircleArcModelInstance(DtDe& de);

      virtual ~Dt3DGreatCircleArcModelInstance();

      virtual void setMaxSubdivisions( int subdivisions );

      virtual void setPreferredSubdivisionSize( double size );

      virtual void setHeightScale( double heightScale );

      virtual bool realize(DtModelDefinition& definition);

   private:

      Dt3DGreatCircleArcModelInstance();

      Dt3DGreatCircleArcModelInstance( const Dt3DGreatCircleArcModelInstance& );

      Dt3DGreatCircleArcModelInstance& operator=( const Dt3DGreatCircleArcModelInstance& );

   protected:      
      
      virtual Dt3DLineModelInstanceSegmentInterface* createSegment();

      virtual void updateGeometry();

      virtual void updateSegmentAttributes();

      Dt3DGreatCircleArcModelInstanceSegment& gcSegment( int i);

      const Dt3DGreatCircleArcModelInstanceSegment& gcSegment(int i) const;

   protected:

      double myHeightScale;
      int myMaxSubdivisions;
      double myPreferredSubdivisionSize;
   };
}