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