tools: mapshow to display YIELD sign

modules/tools/mapshow/libs/map.py

@@ -262,6 +262,13 @@ class Map:
                 for curve in stop_line.segment:
                     self._draw_stop_line(curve.line_segment, stop_sign.id.id, ax, "yellow")
 
+    def draw_yield_signs(self, ax):
+        """draw_yield_signs"""
+        for yieldsign in getattr(self.map_pb, "yield"):
+            for stop_line in yieldsign.stop_line:
+                for curve in stop_line.segment:
+                    self._draw_stop_line(curve.line_segment, yieldsign.id.id, ax, "powderblue")
+
     @staticmethod
     def _draw_stop_line(line_segment, label, ax, label_color_val):
         """draw a signal"""

modules/tools/mapshow/mapshow.py

@@ -35,6 +35,8 @@ def draw(map):
         map.draw_pnc_junctions(plt)
     if args.showcrosswalks:
         map.draw_crosswalks(plt)
+    if args.showyieldsigns:
+        map.draw_yield_signs(plt)
 
 if __name__ == "__main__":
 
@@ -63,6 +65,9 @@ if __name__ == "__main__":
     parser.add_argument(
         "-stopsign", "--showstopsigns", action="store_const", const=True,
         help="Show all stop sign stop lines with ids in map")
+    parser.add_argument(
+        "-yieldsign", "--showyieldsigns", action="store_const", const=True,
+        help="Show all yield sign stop lines with ids in map")
     parser.add_argument(
         "-junction", "--showjunctions", action="store_const", const=True,
         help="Show all pnc-junctions with ids in map")