simplegeodesiclinegraphbuilder.h

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#ifndef SIMPLEGEODESICLINEGRAPHBUILDER_H
#define SIMPLEGEODESICLINEGRAPHBUILDER_H

#include <algo/geographicgridbuilder.h>

#include <GeographicLib/Geodesic.hpp>
#include <GeographicLib/GeodesicLine.hpp>

namespace  displace {
namespace graphbuilders {

class SimpleGeodesicLineGraphBuilder : public GeographicGridBuilder
{
public:
    enum Type { Hex, Quad };

    SimpleGeodesicLineGraphBuilder(Type type, double latMin_deg, double lonMin_deg, double latMax_deg, double lonMax_deg, double step);

    // GeographicGridBuilder interface
public:
    bool beginCreateGrid();
    QPointF getNext();
    bool atEnd();
    bool endCreateGrid();
    bool isAtLineStart();

private:
    GeographicLib::Geodesic mGeodesic;

    // Parameters
    double mLatMin, mLonMin, mLatMax, mLonMax;
    double mStepX, mStepY;
    bool mInterlace;

    // outer loop
    double s12_y, azi1_y, azi2_y, a12_y, da_y, ds_y;
    GeographicLib::GeodesicLine line_y;
    int num_y;

    // inner loop
    double s12, azi1, azi2, a12, da, ds;
    GeographicLib::GeodesicLine line;
    int num;

    int j,i;
};

}
}

#endif // SIMPLEGEODESICLINEGRAPHBUILDER_H