void addNode(const SGGeod &aPos, bool aClose = false);
void addBezierNode(const SGGeod &aPos, const SGGeod &aCtrlPt, bool aClose = false);
void addNode(const SGGeod &aPos, bool aClose = false);
void addBezierNode(const SGGeod &aPos, const SGGeod &aCtrlPt, bool aClose = false);