+
+ // draw teemarks (?)
+ drawOneLine( horizon->x_pos + x_inc2, horizon->y_pos + y_inc2, \
+ horizon->x_pos + x_inc2 + x_t_inc1, horizon->y_pos + y_inc2 - y_t_inc1 );
+ drawOneLine( horizon->x_pos - x_inc2, horizon->y_pos - y_inc2, \
+ horizon->x_pos - x_inc2 + x_t_inc1, horizon->y_pos - y_inc2 - y_t_inc1 );
+
+ // draw sideslip diamond (it is not yet positioned correctly )
+ drawOneLine( d_bottom_x, d_bottom_y, d_right_x, d_right_y )
+ drawOneLine( d_right_x, d_right_y, d_top_x, d_top_y );
+ drawOneLine( d_top_x, d_top_y, d_left_x, d_left_y );
+ drawOneLine( d_left_x, d_left_y, d_bottom_x, d_bottom_y );