include/vrvOsg/DtEllipsoidArcModelInstance.h

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/******************************************************************************
** Copyright (c) 2009 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/
/******************************************************************************
** $RCSfile: DtEllipsoidArcModelInstance.h,v $ $Revision: 1.0 $ $State: Exp $
******************************************************************************/


#ifndef DtEllipsoidArcModelInstance_H_
#define DtEllipsoidArcModelInstance_H_

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

#include <osg/Geode>
#include <osg/MatrixTransform>

namespace makVrv
{
   class DT_DLL_VRVOSG DtEllipsoidArcModelInstance : public DtOsgModelInstance
   {
   public:

      struct EllipsoidArcParameters
      {
         float xLength; // diameter along x axis
         float yLength; // diameter along y axis
         float zLength; // diameter along z axis
         double azimuthMin; // display segment of ellipsoid with above this azimuth
         double azimuthMax; // display segment of ellipsoid with up to this azimuth
         double inclinationMin; // display segment of ellipsoid with above this inclination
         double inclinationMax; // display segment of ellipsoid with up to this azimuth
         float rColor; // RGBA red value
         float gColor; // RGBA green value
         float bColor; // RGBA blue value
         float aColor; // RGBA alpha value
         bool flashing; // Like HTML blink
         int maxTriangles; // maximum # of triangles to use
      };

      static const EllipsoidArcParameters defaultParameters;

      friend class DtEllipsoidArcModelInstanceCreator;

      virtual ~DtEllipsoidArcModelInstance();

      virtual void setDimensions(double x, double y, double z);

      virtual void setColor(float r,float g,float b,float a);

      virtual bool realize(DtModelDefinition& definition);

      virtual void  addToConnector( DtOsgSceneConnector* connector );

      virtual bool removeFromConnector( DtOsgSceneConnector* connector );

      virtual void setVisible(bool isVisible) {}

   protected:
      DtEllipsoidArcModelInstance(DtDe& de);

      virtual void build(const EllipsoidArcParameters& parameters);

      EllipsoidArcParameters myParameters;

      osg::ref_ptr<osg::Geode> myFrontGeode;
      osg::ref_ptr<osg::Geode> myBackGeode;
      osg::ref_ptr<osg::MatrixTransform> myTransform;
   };

   class DT_DLL_VRVOSG DtEllipsoidArcModelInstanceCreator : public DtModelInstanceCreator
   {
   public:

      static void registerCreator(DtDe& de);

      virtual ~DtEllipsoidArcModelInstanceCreator ();

      virtual DtModelInstance* create(DtDe& de);

   protected:

      DtEllipsoidArcModelInstanceCreator ();
   };
}

#endif