void qt_point(unsigned int x, unsigned int y, int pointstyle) { qt->out << GEPoint << qt_termCoordF(x, y) << pointstyle; }
void qt_move(unsigned int x, unsigned int y) { qt_out << GEMove << qt_termCoordF(x, y); }
void qt_vector(unsigned int x, unsigned int y) { qt->out << GEVector << qt_termCoordF(x, y); }