source: branches/blt4/packages/vizservers/nanovis/ContourLineFilter.h @ 1816

#ifndef _CONTOURFILTER_H_
#define _CONTOURFILTER_H_

#include "Vector3.h"
#include "Vector4.h"
#include "TypeDefs.h"
#include <R2/graphics/R2Geometry.h>
#include <list>

class ContourLineFilter {
public :
        class ContourLine {
        public :
                float _value;
                std::list<Vector3> _points;
        public :
                ContourLine(float value);

        private :
                bool isValueWithIn(float Val1, float Val2); 
                void getContourPoint(int vertexIndex1, int vertexIndex2, Vector3* vertices, int width, bool top);
                void getContourPoint(int vertexIndex1, int vertexIndex2, Vector4* vertices, int width, bool top);
        public :  
                /**
                 * @brief
                 * @ret Returns the number of points
                 */
                int createLine(int width, int height, Vector3* vertices, bool top);
                int createLine(int width, int height, Vector4* vertices, bool top);
        };

        typedef std::list<ContourLine*> ContourLineList;

private :
        ContourLineList _lines;
        Vector3Array* _colorMap;
    bool _top;
public :
        ContourLineFilter();

private :
        void clear();
        
public :
        R2Geometry* create(float min, float max, int linecount, Vector3* vertices, int width, int height);
        R2Geometry* create(float min, float max, int linecount, Vector4* vertices, int width, int height);
        void setColorMap(Vector3Array* colorMap);

    void setHeightTop(bool top)
    {
       _top = top;
    }
};

#endif