arrowrenderer.h

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//-- arrowrenderer.h ----------------------------------------------------------
//   
//                   Copyright (C)  2011
//     University Corporation for Atmospheric Research
//                   All Rights Reserved
//
//----------------------------------------------------------------------------
//
//      File:           arrowrenderer.h
//
//      Author:         Alan Norton
//
//
//      Description:  Definition of ArrowRenderer class
//
//
//
//----------------------------------------------------------------------------

#ifndef ARROWRENDERER_H
#define ARROWRENDERER_H

#include "vapor/RegularGrid.h"
#include "renderer.h"

namespace VAPoR {


  class RENDER_API ArrowRenderer : public Renderer
  {
    
      
  public:
    ArrowRenderer(Visualizer *w, RenderParams* rp);

    virtual ~ArrowRenderer();

    static Renderer* CreateInstance(Visualizer* v, RenderParams* rp) {
        return new ArrowRenderer(v,rp);
    }

  private:

    virtual int _initializeGL();

    virtual int _paintGL(DataMgrV3_0*);


    int performRendering(DataMgrV3_0* dataMgr, const RenderParams* rParams,
        int actualRefLevel,float vectorScale, float arrowRadius, 
        RegularGrid *variableData[4]
    );

    void drawArrow(const float startPoint[3], const float endPoint[3], float radius);

  };
};

#endif //ARROWRENDERER_H