{

// the constructor does nothing at all.

rawTextDisplay();

~rawTextDisplay();

// A pure virtual member to force the class to be abstract

// These methods *must* get implemented.

virtual void clearDisplay(); // just clears the display

virtual void initializeDisplay(); // Does any important initialization and clears disply

// Everything else will default to null operations if the child class

// chooses not to implement 'em

virtual void closeDisplay(); // Close out a display when done with the problem. May clear

// but might not always (e.g. file-based displays might just

// be closed with the final state of the solution still in them)

virtual void displayDFReport(const qDFProjReport *theReport);

virtual void undisplayDFReport(const qDFProjReport *theReport){};

virtual void displayLSFix(DFLib::Proj::Point & LSFixPoint);

virtual void undisplayLSFix();

virtual void displayFCAFix(DFLib::Proj::Point & FCAFixPoint, std::vector<double> stddevs);

virtual void undisplayFCAFix();

virtual void displayMLFix(DFLib::Proj::Point & MLFixPoint, double am2=0, double bm2=0, double phi=0);

virtual void undisplayMLFix();

virtual void displayBPEFix(DFLib::Proj::Point & BPEFixPoint, double am2=0, double bm2=0, double phi=0);

virtual void undisplayBPEFix();

QFile theFile_;

QTextStream rawTextOut_;

bool fileIsOpen_;

CoordSys myCS_;

void computeRhumbline_(DFLib::Proj::Point & startingPoint, double azimuth,

double meters, int npoints,

QVector<double> &lats, QVector<double> &lons);

void computeEllipse_(DFLib::Proj::Point & centerPoint, double am2, double bm2,

double phi, double rho, int npoints,

QVector<double> &lats, QVector<double> &lons);