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hugin1/hugin/GreatCircles.h

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// -*- c-basic-offset: 4 -*-
#ifndef GREATCIRCLES_H
#define GREATCIRCLES_H

#include "ViewState.h"
#include <vector>
#include <hugin_math/hugin_math.h>

class GreatCircles
{
public:
    void setViewState(ViewState * viewState);
    void drawLineFromSpherical(double startLat, double startLong,
                               double endLat, double endLong);
private:
    ViewState * m_viewState;
};

class GreatCircleArc
{
    public:
        GreatCircleArc();
        GreatCircleArc(double startLat, double startLong,
                       double endLat, double endLong,
                       ViewState & m_viewState);
        void draw(bool withCross=true) const;
        float squareDistance(hugin_utils::FDiff2D point) const;
                double m_xscale ;
                double getxscale() const;
    protected:
        struct LineSegment
        {
            hugin_utils::FDiff2D vertices[2];
            float squareDistance(hugin_utils::FDiff2D point) const;
            void doGL() const;
                        void doGLcross(int point, double cscale) const;
        };
        std::vector<LineSegment> m_lines;
                
};

#endif

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