void paintAircraftLocation(const SGGeod& aircraftPos);
void paintRoute();
void paintRuler();
+ void drawFlightHistory();
void drawGPSData();
void drawNavRadio(SGPropertyNode_ptr radio);
bool _hasPanned;
SGGeod _projectionCenter;
+ bool _orthoAzimuthProject;
SGGeod _aircraft;
SGGeod _clickGeod;
SGVec2d _hitLocation;