57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
from inire.geometry.collision import CollisionEngine
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from inire.geometry.primitives import Port
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from inire.router.astar import AStarContext, AStarMetrics
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from inire.router.cost import CostEvaluator
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from inire.router.danger_map import DangerMap
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from inire.router.pathfinder import PathFinder
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from inire.utils.visualization import plot_routing_results
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def main() -> None:
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print("Running Example 01: Simple Route...")
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# 1. Setup Environment
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# We define a 100um x 100um routing area
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bounds = (0, 0, 100, 100)
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# Clearance of 2.0um between waveguides
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engine = CollisionEngine(clearance=2.0)
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# Precompute DangerMap for heuristic speedup
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danger_map = DangerMap(bounds=bounds)
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danger_map.precompute([]) # No obstacles yet
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# 2. Configure Router
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evaluator = CostEvaluator(engine, danger_map)
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context = AStarContext(evaluator, snap_size=1.0, bend_radii=[10.0])
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metrics = AStarMetrics()
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pf = PathFinder(context, metrics)
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# 3. Define Netlist
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# Start at (10, 50) pointing East (0 deg)
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# Target at (90, 50) pointing East (0 deg)
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netlist = {
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"net1": (Port(10, 50, 0), Port(90, 50, 0)),
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}
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net_widths = {"net1": 2.0}
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# 4. Route
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results = pf.route_all(netlist, net_widths)
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# 5. Check Results
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res = results["net1"]
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if res.is_valid:
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print("Success! Route found.")
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print(f"Path collisions: {res.collisions}")
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else:
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print("Failed to find route.")
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# 6. Visualize
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# plot_routing_results takes a dict of RoutingResult objects
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fig, ax = plot_routing_results(results, [], bounds)
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fig.savefig("examples/01_simple_route.png")
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print("Saved plot to examples/01_simple_route.png")
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if __name__ == "__main__":
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main()
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