41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
from inire import NetSpec, ObjectiveWeights, Port, RoutingOptions, RoutingProblem, SearchOptions, route
|
|
from inire.utils.visualization import plot_routing_results
|
|
|
|
|
|
def main() -> None:
|
|
print("Running Example 04: S-Bends and Multiple Radii...")
|
|
|
|
bounds = (0, 0, 100, 100)
|
|
netlist = {
|
|
"sbend_only": (Port(10, 50, 0), Port(60, 55, 0)),
|
|
"multi_radii": (Port(10, 10, 0), Port(90, 90, 0)),
|
|
}
|
|
problem = RoutingProblem(
|
|
bounds=bounds,
|
|
nets=tuple(NetSpec(net_id, start, target, width=2.0) for net_id, (start, target) in netlist.items()),
|
|
)
|
|
options = RoutingOptions(
|
|
search=SearchOptions(
|
|
node_limit=50000,
|
|
bend_radii=(10.0, 30.0),
|
|
sbend_offsets=(5.0,),
|
|
),
|
|
objective=ObjectiveWeights(
|
|
unit_length_cost=1.0,
|
|
bend_penalty=10.0,
|
|
sbend_penalty=20.0,
|
|
),
|
|
)
|
|
|
|
run = route(problem, options=options)
|
|
for net_id, result in run.results_by_net.items():
|
|
status = "Success" if result.is_valid else "Failed"
|
|
print(f"{net_id}: {status}, collisions={result.collisions}")
|
|
|
|
fig, _ax = plot_routing_results(run.results_by_net, [], bounds, netlist=netlist)
|
|
fig.savefig("examples/04_sbends_and_radii.png")
|
|
print("Saved plot to examples/04_sbends_and_radii.png")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|