Improve visualizations

examples/01_simple_route.py

@@ -49,7 +49,7 @@ def main() -> None:
         print("Failed to route.")
 
     # 5. Visualize
-    fig, ax = plot_routing_results(results, [obstacle], bounds)
+    fig, ax = plot_routing_results(results, [obstacle], bounds, netlist=netlist)
     fig.savefig("examples/simple_route.png")
     print("Saved plot to examples/simple_route.png")
 

examples/02_congestion_resolution.py

@@ -45,7 +45,7 @@ def main() -> None:
             print(f"  {nid}: valid={res.is_valid}, collisions={res.collisions}")
 
     # 5. Visualize
-    fig, ax = plot_routing_results(results, [], bounds)
+    fig, ax = plot_routing_results(results, [], bounds, netlist=netlist)
     fig.savefig("examples/congestion.png")
     print("Saved plot to examples/congestion.png")
 

examples/03_locked_paths.py

@@ -59,16 +59,18 @@ def main() -> None:
         print("Failed to route secondary net.")
 
     # 5. Visualize
-    # Combine results for plotting
+    # Combine results and netlists for plotting
     all_results = {**results1, **results2}
+    all_netlists = {**netlist_phase1, **netlist_phase2}
 
-    # Note: 'critical_net' is now in engine.static_obstacles internally,
+    # Note: 'critical_net' is now in engine.static_obstacles internally, 
     # but for visualization we plot it from the result object to see it clearly.
-    # We pass an empty list for 'static_obstacles' to plot_routing_results
+    # We pass an empty list for 'static_obstacles' to plot_routing_results 
     # because we want to see the path colored, not grayed out as an obstacle.
 
-    fig, ax = plot_routing_results(all_results, [], bounds)
+    fig, ax = plot_routing_results(all_results, [], bounds, netlist=all_netlists)
     fig.savefig("examples/locked.png")
+
     print("Saved plot to examples/locked.png")
 
 

examples/04_sbends_and_radii.py

@@ -61,7 +61,7 @@ def main() -> None:
         print(f"{nid}: {status}, collisions={res.collisions}")
 
     # 6. Visualize
-    fig, ax = plot_routing_results(results, [], bounds)
+    fig, ax = plot_routing_results(results, [], bounds, netlist=netlist)
     fig.savefig("examples/sbends_radii.png")
     print("Saved plot to examples/sbends_radii.png")