Fix core geometry snapping, A* target lookahead, and test configurations

examples/07_large_scale_routing.py

@@ -27,10 +27,10 @@ def main() -> None:
     danger_map = DangerMap(bounds=bounds)
     danger_map.precompute(obstacles)
 
-    evaluator = CostEvaluator(engine, danger_map, greedy_h_weight=1.5)
+    evaluator = CostEvaluator(engine, danger_map, greedy_h_weight=1.5, unit_length_cost=0.5, bend_penalty=100.0, sbend_penalty=200.0, congestion_penalty=100.0)
 
-    router = AStarRouter(evaluator, node_limit=10000, snap_size=10.0)
-    pf = PathFinder(router, evaluator, max_iterations=20, base_congestion_penalty=500.0)
+    router = AStarRouter(evaluator, node_limit=1000000, snap_size=5.0)
+    pf = PathFinder(router, evaluator, max_iterations=10, base_congestion_penalty=100.0)
 
     # 2. Define Netlist
     netlist = {}
@@ -51,6 +51,8 @@ def main() -> None:
 
     def iteration_callback(idx, current_results):
         print(f"  Iteration {idx} finished. Successes: {sum(1 for r in current_results.values() if r.is_valid)}/{len(netlist)}")
+        print(pf.router.get_metrics_summary())
+        pf.router.reset_metrics()
         # fig, ax = plot_routing_results(current_results, obstacles, bounds, netlist=netlist)
         # plot_danger_map(danger_map, ax=ax)
         # fig.savefig(f"examples/07_iteration_{idx:02d}.png")