defined method to draw map data

Author: ShisatoYano

src/components/mapping/binary/binary_grid_mapper.py

@@ -42,3 +42,14 @@ def update(self, point_cloud, state):
             points_y_list.append(global_y)
 
         # updata map data
+    
+    def draw(self, axes, elems):
+        """
+        Function to draw map data
+        axes: Axes object of figure
+        elems: List of plot object
+        """
+
+        # draw occupancy grid map
+
+        pass