inire/inire/utils/validation.py

104 lines
3.6 KiB
Python

from __future__ import annotations
from typing import TYPE_CHECKING, Any
import numpy
from inire.constants import TOLERANCE_LINEAR
if TYPE_CHECKING:
from shapely.geometry import Polygon
from inire.geometry.primitives import Port
from inire.router.pathfinder import RoutingResult
def validate_routing_result(
result: RoutingResult,
static_obstacles: list[Polygon],
clearance: float,
expected_start: Port | None = None,
expected_end: Port | None = None,
) -> dict[str, Any]:
"""
Perform a high-precision validation of a routed path.
Args:
result: The routing result to validate.
static_obstacles: List of static obstacle geometries.
clearance: Required minimum distance.
expected_start: Optional expected start port.
expected_end: Optional expected end port.
Returns:
A dictionary with validation results.
"""
_ = expected_start
if not result.path:
return {"is_valid": False, "reason": "No path found"}
obstacle_collision_geoms = []
self_intersection_geoms = []
connectivity_errors = []
# 1. Connectivity Check
total_length = 0.0
for comp in result.path:
total_length += comp.length
# Boundary check
if expected_end:
last_port = result.path[-1].end_port
dist_to_end = numpy.sqrt((last_port.x - expected_end.x)**2 + (last_port.y - expected_end.y)**2)
if dist_to_end > 0.005:
connectivity_errors.append(f"Final port position mismatch: {dist_to_end*1000:.2f}nm")
if abs(last_port.orientation - expected_end.orientation) > 0.1:
connectivity_errors.append(f"Final port orientation mismatch: {last_port.orientation} vs {expected_end.orientation}")
# 2. Geometry Buffering
dilation_half = clearance / 2.0
dilation_full = clearance
dilated_for_self = []
for comp in result.path:
for poly in comp.geometry:
# Check against obstacles
d_full = poly.buffer(dilation_full)
for obs in static_obstacles:
if d_full.intersects(obs):
intersection = d_full.intersection(obs)
if intersection.area > 1e-9:
obstacle_collision_geoms.append(intersection)
# Save for self-intersection check
dilated_for_self.append(poly.buffer(dilation_half))
# 3. Self-intersection
for i, seg_i in enumerate(dilated_for_self):
for j, seg_j in enumerate(dilated_for_self):
if j > i + 1 and seg_i.intersects(seg_j): # Non-adjacent
overlap = seg_i.intersection(seg_j)
if overlap.area > TOLERANCE_LINEAR:
self_intersection_geoms.append((i, j, overlap))
is_valid = (len(obstacle_collision_geoms) == 0 and
len(self_intersection_geoms) == 0 and
len(connectivity_errors) == 0)
reasons = []
if obstacle_collision_geoms:
reasons.append(f"Found {len(obstacle_collision_geoms)} obstacle collisions.")
if self_intersection_geoms:
# report which indices
idx_str = ", ".join([f"{i}-{j}" for i, j, _ in self_intersection_geoms[:5]])
reasons.append(f"Found {len(self_intersection_geoms)} self-intersections (e.g. {idx_str}).")
if connectivity_errors:
reasons.extend(connectivity_errors)
return {
"is_valid": is_valid,
"reason": " ".join(reasons),
"obstacle_collisions": obstacle_collision_geoms,
"self_intersections": self_intersection_geoms,
"total_length": total_length,
"connectivity_ok": len(connectivity_errors) == 0,
}