20 lines
504 B
Python
20 lines
504 B
Python
from typing import Set, Tuple
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from .types import connectivity_t, layer_t
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def connectivity2layers(
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connectivity: connectivity_t,
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) -> Tuple[Set[layer_t], Set[layer_t]]:
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metal_layers = set()
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via_layers = set()
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for top, via, bot in connectivity:
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metal_layers.add(top)
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metal_layers.add(bot)
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if via is not None:
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via_layers.add(via)
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# TODO verify no overlap between metal and via layer specifications
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return metal_layers, via_layers
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