tools: mapshow combine commone code

modules/tools/mapshow/libs/map.py

@@ -88,24 +88,8 @@ class Map:
 
     def _draw_lane_id(self, lane, ax, color_val):
         """draw lane id"""
-        labelxys = []
-        labelxys.append((40, -40))
-        labelxys.append((-40, -40))
-        labelxys.append((40, 40))
-        labelxys.append((-40, 40))
-        has = ['right', 'left', 'right', 'left']
-        vas = ['bottom', 'bottom', 'top', 'top']
-
-        idx = random.randint(0, 3)
-        lxy = labelxys[idx]
         x, y = self._find_lane_central_point(lane)
-        plt.annotate(
-            lane.id.id,
-            xy=(x, y), xytext=lxy,
-            textcoords='offset points', ha=has[idx], va=vas[idx],
-            bbox=dict(boxstyle='round,pad=0.5', fc=color_val, alpha=0.5),
-            arrowprops=dict(arrowstyle='-|>', connectionstyle='arc3,rad=-0.2',
-                            fc=color_val, ec=color_val, alpha=0.5))
+        self._draw_label(lane_id.id, (x,y), ax, color_val);
 
     def _draw_lane_details(self, lane, ax, color_val):
         """draw lane id"""
@@ -156,7 +140,13 @@ class Map:
             cnt += 1
 
     def _draw_pnc_junction_id(self, pnc_junction, ax, color_val):
-        """draw pnc_junction id"""
+        x = pnc_junction.polygon.point[0].x
+        y = pnc_junction.polygon.point[1].y
+        self._draw_label(pnc_junction.id.id, (x,y), ax, color_val);
+
+    @staticmethod
+    def _draw_label(label_id, point, ax, color_val):
+        """draw label id"""
         labelxys = []
         labelxys.append((40, -40))
         labelxys.append((-40, -40))
@@ -167,11 +157,9 @@ class Map:
 
         idx = random.randint(0, 3)
         lxy = labelxys[idx]
-        x = pnc_junction.polygon.point[0].x
-        y = pnc_junction.polygon.point[1].y
         plt.annotate(
-            pnc_junction.id.id,
-            xy=(x, y), xytext=lxy,
+            label_id,
+            xy=(point[0], point[1]), xytext=lxy,
             textcoords='offset points', ha=has[idx], va=vas[idx],
             bbox=dict(boxstyle='round,pad=0.5', fc=color_val, alpha=0.5),
             arrowprops=dict(arrowstyle='-|>', connectionstyle='arc3,rad=-0.2',