message: viewer draws lane polygons
diff: @@ -332,10 +332,13 @@ class BaseViewer(Viewer):
  if color is None:
  self.color_lane_boundaries
  - if not lane.lane_type == XodrLaneType.driving:
  polygon = map_interface.GetRoadgraph().GetLanePolygonForLaneId(lane.lane_id)
  - self.drawPolygon2d(polygon, "k",
  - 0.5, "k", zorder=10)
  + if not lane.lane_type == XodrLaneType.driving:
  + self.drawPolygon2d(polygon, (0.5, 0.5, 0.5),
  + 1.0, (0.5, 0.5, 0.5), zorder=1)
  + else:
  + self.drawPolygon2d(polygon, (0.9, 0.9, 0.9),
  + 1.0, (0.9, 0.9, 0.9), zorder=1)
  def drawXodrRoad(self, road, color=None):
  for lane_section in road.lane_sections:
  