more balanced scores

backend/src/structs/linked_landmarks.py

@@ -25,6 +25,11 @@ class LinkedLandmarks:
         """
         Create the links between the landmarks in the list by setting their .next_uuid and the .time_to_next attributes.
         """
+
+        # Mark secondary landmarks as such
+        self.update_secondary_landmarks()
+
+
         for i, landmark in enumerate(self._landmarks[:-1]):
             landmark.next_uuid = self._landmarks[i + 1].uuid
             time_to_next = get_time(landmark.location, self._landmarks[i + 1].location)
@@ -34,6 +39,22 @@ class LinkedLandmarks:
         self._landmarks[-1].next_uuid = None
         self._landmarks[-1].time_to_reach_next = 0
 
+    def update_secondary_landmarks(self) -> None:
+        # Extract the attractiveness scores and sort them in descending order
+        scores = sorted([landmark.attractiveness for landmark in self._landmarks], reverse=True)
+        
+        # Determine the 10th highest score
+        if len(scores) >= 10:
+            threshold_score = scores[9]
+        else:
+            # If there are fewer than 10 landmarks, use the lowest score in the list as the threshold
+            threshold_score = min(scores) if scores else 0
+        
+        # Update 'is_secondary' for landmarks with attractiveness below the threshold score
+        for landmark in self._landmarks:
+            if landmark.attractiveness < threshold_score:
+                landmark.is_secondary = True
+
 
     def __getitem__(self, index: int) -> Landmark:
         return self._landmarks[index]