- sys_stencil.add_stencil (points_to_line_stencil (skylines_[UP].to_points ()).in_color (255, 0, 0));
- sys_stencil.add_stencil (points_to_line_stencil (skylines_[DOWN].to_points ()).in_color (0, 255, 0));
+ sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, skylines_[UP].to_points ()).in_color (255, 0, 0));
+ sys_stencil.add_stencil (Lookup::points_to_line_stencil (0.1, skylines_[DOWN].to_points ()).in_color (0, 255, 0));