from inire.geometry.collision import CollisionEngine from inire.geometry.primitives import Port from inire.router.astar import AStarContext, AStarMetrics from inire.router.cost import CostEvaluator from inire.router.danger_map import DangerMap from inire.router.pathfinder import PathFinder from inire.utils.visualization import plot_routing_results def main() -> None: print("Running Example 05: Orientation Stress Test...") # 1. Setup Environment bounds = (0, 0, 200, 200) engine = CollisionEngine(clearance=2.0) danger_map = DangerMap(bounds=bounds) danger_map.precompute([]) evaluator = CostEvaluator(engine, danger_map, bend_penalty=50.0) context = AStarContext(evaluator, snap_size=5.0, bend_radii=[20.0]) metrics = AStarMetrics() pf = PathFinder(context, metrics) # 2. Define Netlist # Challenging orientation combinations netlist = { "u_turn": (Port(50, 50, 0), Port(50, 70, 180)), "loop": (Port(100, 100, 90), Port(100, 80, 270)), "zig_zag": (Port(20, 150, 0), Port(180, 150, 0)), } net_widths = {nid: 2.0 for nid in netlist} # 3. Route print("Routing complex orientation nets...") results = pf.route_all(netlist, net_widths) # 4. Check Results for nid, res in results.items(): status = "Success" if res.is_valid else "Failed" print(f" {nid}: {status}") # 5. Visualize fig, ax = plot_routing_results(results, [], bounds, netlist=netlist) fig.savefig("examples/05_orientation_stress.png") print("Saved plot to examples/05_orientation_stress.png") if __name__ == "__main__": main()