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misc cleanup and tuning

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This commit is contained in:
Jan Petykiewicz 2026-03-07 19:31:51 -08:00
commit 07d079846b
15 changed files with 168 additions and 165 deletions
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22
inire/geometry/collision.py
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@ -87,11 +87,15 @@ class CollisionEngine:
"""Count how many other nets collide with this geometry."""
dilation = self.clearance / 2.0
test_poly = geometry.buffer(dilation)
candidates = self.dynamic_paths.intersection(test_poly.bounds)
return self.count_congestion_prebuffered(test_poly, net_id)
def count_congestion_prebuffered(self, dilated_geometry: Polygon, net_id: str) -> int:
"""Count how many other nets collide with this pre-dilated geometry."""
candidates = self.dynamic_paths.intersection(dilated_geometry.bounds)
count = 0
for obj_id in candidates:
other_net_id, other_poly = self.path_geometries[obj_id]
if other_net_id != net_id and test_poly.intersects(other_poly):
if other_net_id != net_id and dilated_geometry.intersects(other_poly):
count += 1
return count
@ -106,17 +110,25 @@ class CollisionEngine:
_ = net_width # Width is already integrated into engine dilation settings
dilation = self.clearance / 2.0
test_poly = geometry.buffer(dilation)
return self.is_collision_prebuffered(test_poly, start_port=start_port, end_port=end_port)
def is_collision_prebuffered(
self,
dilated_geometry: Polygon,
start_port: Port | None = None,
end_port: Port | None = None,
) -> bool:
"""Check if a pre-dilated geometry collides with static obstacles."""
# Broad prune with R-Tree
candidates = self.static_obstacles.intersection(test_poly.bounds)
candidates = self.static_obstacles.intersection(dilated_geometry.bounds)
for obj_id in candidates:
# Use prepared geometry for fast intersection
if self.prepared_obstacles[obj_id].intersects(test_poly):
if self.prepared_obstacles[obj_id].intersects(dilated_geometry):
# Check safety zone (2nm = 0.002 um)
if start_port or end_port:
obstacle = self.obstacle_geometries[obj_id]
intersection = test_poly.intersection(obstacle)
intersection = dilated_geometry.intersection(obstacle)
if intersection.is_empty:
continue