feat: wire physical K1 surface shadow

This commit is contained in:
DCCONSTRUCTIONS
2026-07-26 01:30:53 +03:00
parent e6d5411bdd
commit a1e2cb523f
14 changed files with 1444 additions and 41 deletions
+8
View File
@@ -119,8 +119,12 @@ from .lidar_local_surface import (
k1_local_surface_catalog_item,
)
from .lidar_local_surface_shadow import (
K1_LOCAL_SURFACE_BINDER_SCHEMA,
K1_LOCAL_SURFACE_SHADOW_FRAME_SCHEMA,
K1_LOCAL_SURFACE_SHADOW_SCHEMA,
K1LocalSurfaceBoundViews,
K1LocalSurfacePoseBinder,
K1LocalSurfaceShadowCoordinator,
K1LocalSurfaceShadowEstimator,
K1LocalSurfaceShadowInput,
K1LocalSurfaceShadowResult,
@@ -217,6 +221,7 @@ __all__ = [
"LIDAR_GROUND_BENCHMARK_SCHEMA",
"LIDAR_GROUND_FRAME_SCHEMA",
"K1_LOCAL_SURFACE_FRAME_SCHEMA",
"K1_LOCAL_SURFACE_BINDER_SCHEMA",
"K1_LOCAL_SURFACE_REPORT_SCHEMA",
"K1_LOCAL_SURFACE_REVIEW_SCHEMA",
"K1_LOCAL_SURFACE_SCHEMA",
@@ -246,6 +251,9 @@ __all__ = [
"LidarGroundBenchmarkV1",
"LidarGroundError",
"K1LocalSurfaceProfile",
"K1LocalSurfaceBoundViews",
"K1LocalSurfacePoseBinder",
"K1LocalSurfaceShadowCoordinator",
"K1LocalSurfaceShadowEstimator",
"K1LocalSurfaceShadowInput",
"K1LocalSurfaceShadowResult",
@@ -0,0 +1,403 @@
from __future__ import annotations
from collections.abc import Mapping
from dataclasses import dataclass
from typing import Final
import numpy as np
import numpy.typing as npt
from k1link.ground_segmentation import GroundSegmentationError as LidarGroundError
POINT_UNCLASSIFIED: Final = 0
POINT_SURFACE: Final = 1
POINT_OCCUPIED: Final = 2
POINT_BELOW_SURFACE: Final = 3
@dataclass(frozen=True, slots=True)
class K1LocalSurfaceProfile:
"""Dependency-light parameters shared by replay and live shadow."""
profile_id: str = "k1-vendor-map-dynamic-local-surface/v1"
local_radius_m: float = 10.0
cell_size_m: float = 0.45
surface_ttl_s: float = 1.25
cell_lower_percentile: float = 20.0
initial_lower_fraction: float = 0.55
minimum_surface_cells: int = 18
robust_iterations: int = 5
robust_mad_scale: float = 2.8
minimum_inlier_band_m: float = 0.10
surface_band_m: float = 0.16
obstacle_min_height_m: float = 0.20
obstacle_max_height_m: float = 3.5
maximum_pose_binding_ms: float = 100.0
maximum_slope_deg: float = 40.0
step_min_height_m: float = 0.07
step_max_height_m: float = 0.32
step_max_plane_residual_m: float = 0.45
temporal_height_jump_m: float = 0.03
temporal_slope_jump_deg: float = 0.5
temporal_roughness_jump_m: float = 0.015
def __post_init__(self) -> None:
numeric = (
self.local_radius_m,
self.cell_size_m,
self.surface_ttl_s,
self.cell_lower_percentile,
self.initial_lower_fraction,
self.robust_mad_scale,
self.minimum_inlier_band_m,
self.surface_band_m,
self.obstacle_min_height_m,
self.obstacle_max_height_m,
self.maximum_pose_binding_ms,
self.maximum_slope_deg,
self.step_min_height_m,
self.step_max_height_m,
self.step_max_plane_residual_m,
self.temporal_height_jump_m,
self.temporal_slope_jump_deg,
self.temporal_roughness_jump_m,
)
if (
not self.profile_id.strip()
or len(self.profile_id) > 160
or not np.isfinite(numeric).all()
or not 1.0 <= self.local_radius_m <= 100.0
or not 0.05 <= self.cell_size_m <= 5.0
or not 0.05 <= self.surface_ttl_s <= 30.0
or not 0.0 <= self.cell_lower_percentile <= 50.0
or not 0.05 <= self.initial_lower_fraction <= 0.95
or not 3 <= self.minimum_surface_cells <= 100_000
or not 1 <= self.robust_iterations <= 20
or not 1.0 <= self.robust_mad_scale <= 10.0
or not 0.01 <= self.minimum_inlier_band_m <= 1.0
or not 0.01 <= self.surface_band_m <= 1.0
or not self.surface_band_m <= self.obstacle_min_height_m
or not self.obstacle_min_height_m < self.obstacle_max_height_m <= 20.0
or not 1.0 <= self.maximum_pose_binding_ms <= 10_000.0
or not 1.0 <= self.maximum_slope_deg < 90.0
or not 0.02 <= self.step_min_height_m < self.step_max_height_m
or not self.step_max_height_m <= self.step_max_plane_residual_m <= 2.0
or not 0.02 <= self.temporal_height_jump_m <= 2.0
or not 0.1 <= self.temporal_slope_jump_deg <= 45.0
or not 0.005 <= self.temporal_roughness_jump_m <= 1.0
):
raise LidarGroundError("K1 local-surface profile is invalid")
def to_dict(self) -> dict[str, object]:
return {
"schema_version": "missioncore.k1-local-surface-profile/v1",
"profile_id": self.profile_id,
"input": {
"representation": "legacy-e10-vendor-map-with-pose",
"gravity_alignment": "vendor-map-z-assumed-diagnostic",
"physical_sensor_height_required": False,
"hardcoded_height_m": None,
},
"rolling_surface": {
"local_radius_m": self.local_radius_m,
"cell_size_m": self.cell_size_m,
"surface_ttl_s": self.surface_ttl_s,
"cell_lower_percentile": self.cell_lower_percentile,
"initial_lower_fraction": self.initial_lower_fraction,
"minimum_surface_cells": self.minimum_surface_cells,
"robust_iterations": self.robust_iterations,
"robust_mad_scale": self.robust_mad_scale,
"minimum_inlier_band_m": self.minimum_inlier_band_m,
"maximum_slope_deg": self.maximum_slope_deg,
"step_min_height_m": self.step_min_height_m,
"step_max_height_m": self.step_max_height_m,
"step_max_plane_residual_m": self.step_max_plane_residual_m,
},
"classification": {
"surface_band_m": self.surface_band_m,
"obstacle_min_height_m": self.obstacle_min_height_m,
"obstacle_max_height_m": self.obstacle_max_height_m,
"absence_of_points_means_free": False,
"unknown_is_traversable": False,
},
"pose_binding": {
"basis": "recorded-nearest-host-monotonic-arrival",
"maximum_age_ms": self.maximum_pose_binding_ms,
},
"temporal_qualification": {
"prediction_input": "previous-ttl-window-only",
"current_frame_excluded_from_prediction": True,
"height_jump_m": self.temporal_height_jump_m,
"slope_jump_deg": self.temporal_slope_jump_deg,
"roughness_jump_m": self.temporal_roughness_jump_m,
},
"authority": {
"commands_enabled": False,
"navigation_or_safety_accepted": False,
},
}
DEFAULT_K1_LOCAL_SURFACE_PROFILE: Final = K1LocalSurfaceProfile()
@dataclass(frozen=True, slots=True)
class PredictionEvidence:
prior_plane: npt.NDArray[np.float64]
cell_points: npt.NDArray[np.float64]
signed_residuals: npt.NDArray[np.float64]
@property
def residual_p50_m(self) -> float:
return float(np.percentile(np.abs(self.signed_residuals), 50))
@property
def residual_p95_m(self) -> float:
return float(np.percentile(np.abs(self.signed_residuals), 95))
def inlier_fraction(self, surface_band_m: float) -> float:
return float(np.mean(np.abs(self.signed_residuals) <= surface_band_m))
def update_cache(
cache: dict[tuple[int, int], tuple[float, float]],
cloud: npt.NDArray[np.float64],
session_seconds: float,
profile: K1LocalSurfaceProfile,
) -> None:
keys, points = cloud_cell_observations(cloud, profile)
for key, point in zip(keys, points, strict=True):
cache[(int(key[0]), int(key[1]))] = (float(point[2]), session_seconds)
def cloud_cell_observations(
cloud: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> tuple[npt.NDArray[np.int64], npt.NDArray[np.float64]]:
if cloud.shape[0] == 0:
return np.empty((0, 2), dtype=np.int64), np.empty((0, 3), dtype=np.float64)
cells = np.floor(cloud[:, :2] / profile.cell_size_m).astype(np.int64)
order = np.lexsort((cells[:, 1], cells[:, 0]))
sorted_cells = cells[order]
sorted_z = cloud[order, 2]
changes: npt.NDArray[np.int64] = (
np.flatnonzero(np.any(np.diff(sorted_cells, axis=0) != 0, axis=1)) + 1
).astype(np.int64, copy=False)
starts = np.concatenate((np.asarray([0]), changes))
ends = np.concatenate((changes, np.asarray([cloud.shape[0]])))
keys = np.empty((starts.shape[0], 2), dtype=np.int64)
points = np.empty((starts.shape[0], 3), dtype=np.float64)
half_cell = profile.cell_size_m * 0.5
for index, (start, end) in enumerate(zip(starts, ends, strict=True)):
keys[index] = sorted_cells[start]
points[index] = (
float(sorted_cells[start, 0]) * profile.cell_size_m + half_cell,
float(sorted_cells[start, 1]) * profile.cell_size_m + half_cell,
float(np.percentile(sorted_z[start:end], profile.cell_lower_percentile)),
)
return keys, points
def expire_cache(
cache: dict[tuple[int, int], tuple[float, float]],
session_seconds: float,
position: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> None:
maximum_radius_sq = (profile.local_radius_m + profile.cell_size_m) ** 2
expired = [
key
for key, (_, observed_seconds) in cache.items()
if session_seconds - observed_seconds > profile.surface_ttl_s
or ((key[0] + 0.5) * profile.cell_size_m - float(position[0])) ** 2
+ ((key[1] + 0.5) * profile.cell_size_m - float(position[1])) ** 2
> maximum_radius_sq
]
for key in expired:
del cache[key]
def local_cache_records(
cache: Mapping[tuple[int, int], tuple[float, float]],
position: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> tuple[
npt.NDArray[np.int64],
npt.NDArray[np.float64],
npt.NDArray[np.float64],
]:
values = [
(
(key[0] + 0.5) * profile.cell_size_m,
(key[1] + 0.5) * profile.cell_size_m,
z,
observed_seconds,
)
for key, (z, observed_seconds) in sorted(cache.items())
if (
((key[0] + 0.5) * profile.cell_size_m - float(position[0])) ** 2
+ ((key[1] + 0.5) * profile.cell_size_m - float(position[1])) ** 2
<= profile.local_radius_m**2
)
]
if not values:
return (
np.empty((0, 2), dtype=np.int64),
np.empty((0, 3), dtype=np.float64),
np.empty(0, dtype=np.float64),
)
array: npt.NDArray[np.float64] = np.asarray(values, dtype=np.float64)
keys = np.floor(array[:, :2] / profile.cell_size_m).astype(np.int64)
return keys, array[:, :3], array[:, 3]
def fit_surface(
cell_points: npt.NDArray[np.float64],
position: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> tuple[
npt.NDArray[np.float64],
npt.NDArray[np.bool_],
npt.NDArray[np.float64],
] | None:
centered_xy = cell_points[:, :2] - position[:2]
design = np.column_stack(
(centered_xy[:, 0], centered_xy[:, 1], np.ones(cell_points.shape[0]))
)
cutoff = float(np.quantile(cell_points[:, 2], profile.initial_lower_fraction))
inliers = cell_points[:, 2] <= cutoff
if int(np.count_nonzero(inliers)) < profile.minimum_surface_cells:
return None
coefficients: npt.NDArray[np.float64] = np.zeros(3, dtype=np.float64)
for _ in range(profile.robust_iterations):
try:
coefficients, _, rank, _ = np.linalg.lstsq(
design[inliers], cell_points[inliers, 2], rcond=None
)
except np.linalg.LinAlgError:
return None
if rank < 3 or not np.isfinite(coefficients).all():
return None
residuals = cell_points[:, 2] - design @ coefficients
center = float(np.median(residuals[inliers]))
mad = float(np.median(np.abs(residuals[inliers] - center)))
band = max(
profile.minimum_inlier_band_m,
profile.robust_mad_scale * 1.4826 * mad,
)
updated = np.abs(residuals - center) <= band
if int(np.count_nonzero(updated)) < profile.minimum_surface_cells:
return None
if np.array_equal(updated, inliers):
break
inliers = updated
coefficients, _, rank, _ = np.linalg.lstsq(
design[inliers], cell_points[inliers, 2], rcond=None
)
if rank < 3 or not np.isfinite(coefficients).all():
return None
a, b, c = (float(value) for value in coefficients)
unnormalized: npt.NDArray[np.float64] = np.asarray(
[-a, -b, 1.0, a * float(position[0]) + b * float(position[1]) - c],
dtype=np.float64,
)
norm = float(np.linalg.norm(unnormalized[:3]))
if norm <= 0 or not np.isfinite(norm):
return None
plane = unnormalized / norm
residuals = height_above_plane(cell_points, plane)
center = float(np.median(residuals[inliers]))
mad = float(np.median(np.abs(residuals[inliers] - center)))
band = max(
profile.minimum_inlier_band_m,
profile.robust_mad_scale * 1.4826 * mad,
)
inliers = np.abs(residuals - center) <= band
if int(np.count_nonzero(inliers)) < profile.minimum_surface_cells:
return None
return plane.astype("<f8"), inliers, residuals
def prediction_metrics(
prior_cell_points: npt.NDArray[np.float64],
current_cell_points: npt.NDArray[np.float64],
position: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> PredictionEvidence | None:
if (
prior_cell_points.shape[0] < profile.minimum_surface_cells
or current_cell_points.shape[0] < profile.minimum_surface_cells
):
return None
prior_fit = fit_surface(prior_cell_points, position, profile)
if prior_fit is None:
return None
prior_plane, _, _ = prior_fit
cutoff = float(np.quantile(current_cell_points[:, 2], profile.initial_lower_fraction))
evaluation = current_cell_points[:, 2] <= cutoff
if int(np.count_nonzero(evaluation)) < profile.minimum_surface_cells:
return None
evaluation_points = current_cell_points[evaluation]
signed_residuals = height_above_plane(evaluation_points, prior_plane)
if signed_residuals.size == 0 or not np.isfinite(signed_residuals).all():
return None
return PredictionEvidence(
prior_plane=prior_plane,
cell_points=evaluation_points,
signed_residuals=signed_residuals,
)
def step_candidate_keys(
cell_keys: npt.NDArray[np.int64],
cell_points: npt.NDArray[np.float64],
plane: npt.NDArray[np.float64],
profile: K1LocalSurfaceProfile,
) -> set[tuple[int, int]]:
if cell_keys.shape[0] != cell_points.shape[0]:
raise LidarGroundError("K1 local-surface cell alignment is invalid")
residual = height_above_plane(cell_points, plane)
lookup = {
(int(key[0]), int(key[1])): float(value)
for key, value in zip(cell_keys, residual, strict=True)
if abs(float(value)) <= profile.step_max_plane_residual_m
}
candidates: set[tuple[int, int]] = set()
for key, value in lookup.items():
for neighbor in ((key[0] + 1, key[1]), (key[0], key[1] + 1)):
neighbor_value = lookup.get(neighbor)
if neighbor_value is None:
continue
delta = abs(value - neighbor_value)
if profile.step_min_height_m <= delta <= profile.step_max_height_m:
candidates.add(key)
candidates.add(neighbor)
return candidates
def point_step_candidates(
cloud: npt.NDArray[np.float64],
local: npt.NDArray[np.bool_],
heights: npt.NDArray[np.float64],
candidate_keys: set[tuple[int, int]],
profile: K1LocalSurfaceProfile,
) -> npt.NDArray[np.uint8]:
result = np.zeros(cloud.shape[0], dtype=np.uint8)
if not candidate_keys:
return result
cells = np.floor(cloud[:, :2] / profile.cell_size_m).astype(np.int64)
for index in np.flatnonzero(local):
key = (int(cells[index, 0]), int(cells[index, 1]))
if (
key in candidate_keys
and abs(float(heights[index])) <= profile.step_max_plane_residual_m
):
result[index] = 1
return result
def height_above_plane(
points: npt.NDArray[np.float64],
plane: npt.NDArray[np.float64],
) -> npt.NDArray[np.float64]:
return points @ plane[:3] + float(plane[3])
+359 -11
View File
@@ -13,26 +13,45 @@ import numpy.typing as npt
from k1link.data_plane import DecodedPointCloudView, DecodedPoseView
from k1link.ground_segmentation import GroundSegmentationError as LidarGroundError
from .lidar_local_surface import (
from .lidar_local_surface_geometry import (
DEFAULT_K1_LOCAL_SURFACE_PROFILE,
POINT_BELOW_SURFACE,
POINT_OCCUPIED,
POINT_SURFACE,
K1LocalSurfaceProfile,
_cloud_cell_observations,
_expire_cache,
_fit_surface,
_height_above_plane,
_local_cache_records,
_point_step_candidates,
_prediction_metrics,
_step_candidate_keys,
_update_cache,
)
from .lidar_local_surface_geometry import (
cloud_cell_observations as _cloud_cell_observations,
)
from .lidar_local_surface_geometry import (
expire_cache as _expire_cache,
)
from .lidar_local_surface_geometry import (
fit_surface as _fit_surface,
)
from .lidar_local_surface_geometry import (
height_above_plane as _height_above_plane,
)
from .lidar_local_surface_geometry import (
local_cache_records as _local_cache_records,
)
from .lidar_local_surface_geometry import (
point_step_candidates as _point_step_candidates,
)
from .lidar_local_surface_geometry import (
prediction_metrics as _prediction_metrics,
)
from .lidar_local_surface_geometry import (
step_candidate_keys as _step_candidate_keys,
)
from .lidar_local_surface_geometry import (
update_cache as _update_cache,
)
from .live_perception import LatestWinsQueue
K1_LOCAL_SURFACE_SHADOW_SCHEMA: Final = "missioncore.k1-local-surface-shadow-runtime/v1"
K1_LOCAL_SURFACE_SHADOW_FRAME_SCHEMA: Final = "missioncore.k1-local-surface-shadow-frame/v1"
K1_LOCAL_SURFACE_BINDER_SCHEMA: Final = "missioncore.k1-local-surface-pose-binder/v1"
ShadowFrameState = Literal[
"valid",
@@ -42,6 +61,208 @@ ShadowFrameState = Literal[
]
@dataclass(frozen=True, slots=True)
class K1LocalSurfaceBoundViews:
"""One point frame paired to the nearest admitted host-arrival pose."""
point_cloud: DecodedPointCloudView
pose: DecodedPoseView
pose_binding_age_ms: float
class K1LocalSurfacePoseBinder:
"""Bounded event-order-independent LiDAR↔pose binding for shadow work."""
def __init__(
self,
*,
maximum_pose_binding_ms: float,
point_capacity: int = 2,
pose_capacity: int = 16,
future_pose_wait_ms: float = 25.0,
retention_seconds: float = 3.0,
) -> None:
if (
not math.isfinite(maximum_pose_binding_ms)
or not 1 <= maximum_pose_binding_ms <= 10_000
or not 1 <= point_capacity <= 8
or not 2 <= pose_capacity <= 256
or not math.isfinite(future_pose_wait_ms)
or not 0 <= future_pose_wait_ms <= maximum_pose_binding_ms
or not math.isfinite(retention_seconds)
or not 0.1 <= retention_seconds <= 30
):
raise LidarGroundError("K1 local-surface pose binder bounds are invalid")
self._maximum_delta_ns = round(maximum_pose_binding_ms * 1_000_000)
self._future_wait_ns = round(future_pose_wait_ms * 1_000_000)
self._retention_ns = round(retention_seconds * 1_000_000_000)
self._point_capacity = point_capacity
self._pose_capacity = pose_capacity
self._points: deque[DecodedPointCloudView] = deque()
self._poses: deque[DecodedPoseView] = deque()
self._lock = threading.Lock()
self._latest_time_ns = 0
self._last_point_sequence = 0
self._last_pose_sequence = 0
self._point_published = 0
self._pose_published = 0
self._point_bound = 0
self._point_missed = 0
self._point_dropped_overflow = 0
self._pose_dropped_overflow = 0
self._maximum_point_depth = 0
self._maximum_pose_depth = 0
self._binding_age_ms: deque[float] = deque(maxlen=512)
def publish_point_cloud(
self,
value: DecodedPointCloudView,
) -> tuple[K1LocalSurfaceBoundViews, ...]:
if value.frame_id != "map":
raise LidarGroundError("K1 local-surface pose binder requires map-frame points")
with self._lock:
if value.context.sequence <= self._last_point_sequence:
raise LidarGroundError("K1 local-surface point sequence is not increasing")
self._last_point_sequence = value.context.sequence
self._point_published += 1
if len(self._points) == self._point_capacity:
self._points.popleft()
self._point_dropped_overflow += 1
self._points.append(value)
self._maximum_point_depth = max(
self._maximum_point_depth,
len(self._points),
)
self._latest_time_ns = max(self._latest_time_ns, _view_time_ns(value))
self._prune_poses_locked()
return self._drain_locked(force=False)
def publish_pose(
self,
value: DecodedPoseView,
) -> tuple[K1LocalSurfaceBoundViews, ...]:
if value.frame_id != "map" or value.child_frame_id != "sensor":
raise LidarGroundError("K1 local-surface pose binder requires map-from-sensor pose")
with self._lock:
if value.context.sequence <= self._last_pose_sequence:
raise LidarGroundError("K1 local-surface pose sequence is not increasing")
self._last_pose_sequence = value.context.sequence
self._pose_published += 1
if len(self._poses) == self._pose_capacity:
self._poses.popleft()
self._pose_dropped_overflow += 1
self._poses.append(value)
self._maximum_pose_depth = max(
self._maximum_pose_depth,
len(self._poses),
)
self._latest_time_ns = max(self._latest_time_ns, _view_time_ns(value))
self._prune_poses_locked()
return self._drain_locked(force=False)
def flush(self) -> tuple[K1LocalSurfaceBoundViews, ...]:
with self._lock:
return self._drain_locked(force=True)
def snapshot(self) -> dict[str, object]:
with self._lock:
ages: npt.NDArray[np.float64] = np.asarray(
self._binding_age_ms,
dtype=np.float64,
)
return {
"schema_version": K1_LOCAL_SURFACE_BINDER_SCHEMA,
"clock_basis": "host-monotonic-arrival",
"maximum_pose_binding_ms": self._maximum_delta_ns / 1_000_000,
"future_pose_wait_ms": self._future_wait_ns / 1_000_000,
"points": {
"capacity": self._point_capacity,
"depth": len(self._points),
"maximum_depth": self._maximum_point_depth,
"published": self._point_published,
"bound": self._point_bound,
"missed": self._point_missed,
"dropped_overflow": self._point_dropped_overflow,
},
"poses": {
"capacity": self._pose_capacity,
"depth": len(self._poses),
"maximum_depth": self._maximum_pose_depth,
"published": self._pose_published,
"dropped_overflow": self._pose_dropped_overflow,
},
"binding_age_ms": {
"sample_count": int(ages.shape[0]),
"p50": float(np.percentile(ages, 50)) if ages.size else None,
"p95": float(np.percentile(ages, 95)) if ages.size else None,
"maximum": float(np.max(ages)) if ages.size else None,
},
"authority": {
"commands_enabled": False,
"navigation_or_safety_accepted": False,
},
}
def _drain_locked(
self,
*,
force: bool,
) -> tuple[K1LocalSurfaceBoundViews, ...]:
bound: list[K1LocalSurfaceBoundViews] = []
while self._points:
point_cloud = self._points[0]
point_time_ns = _view_time_ns(point_cloud)
pose = min(
self._poses,
key=lambda candidate: abs(_view_time_ns(candidate) - point_time_ns),
default=None,
)
if pose is None:
if force or self._latest_time_ns - point_time_ns >= self._maximum_delta_ns:
self._points.popleft()
self._point_missed += 1
continue
break
pose_time_ns = _view_time_ns(pose)
delta_ns = abs(pose_time_ns - point_time_ns)
future_watermark_reached = self._latest_time_ns - point_time_ns >= self._future_wait_ns
recent_prior_pose = pose_time_ns <= point_time_ns and delta_ns <= self._future_wait_ns
if delta_ns <= self._maximum_delta_ns and (
force
or pose_time_ns >= point_time_ns
or recent_prior_pose
or future_watermark_reached
):
self._points.popleft()
age_ms = delta_ns / 1_000_000
self._point_bound += 1
self._binding_age_ms.append(age_ms)
bound.append(
K1LocalSurfaceBoundViews(
point_cloud=point_cloud,
pose=pose,
pose_binding_age_ms=age_ms,
)
)
continue
if force or self._latest_time_ns - point_time_ns >= self._maximum_delta_ns:
self._points.popleft()
self._point_missed += 1
continue
break
return tuple(bound)
def _prune_poses_locked(self) -> None:
cutoff = self._latest_time_ns - self._retention_ns
while self._poses and _view_time_ns(self._poses[0]) < cutoff:
self._poses.popleft()
def _view_time_ns(value: DecodedPointCloudView | DecodedPoseView) -> int:
received = value.context.received_monotonic_ns
return int(received if received is not None else value.context.captured_at_epoch_ns)
@dataclass(frozen=True, slots=True)
class K1LocalSurfaceShadowInput:
"""One immutable map-point/pose pair admitted to passive shadow work."""
@@ -111,7 +332,9 @@ class K1LocalSurfaceShadowInput:
pose_binding_age_ms=pose_binding_age_ms,
points_map=points,
position_map=position,
published_monotonic_ns=time.monotonic_ns(),
published_monotonic_ns=(
point_cloud.context.processing_started_monotonic_ns
),
)
@@ -561,6 +784,8 @@ class K1LocalSurfaceShadowRuntime:
self._processed = 0
self._failed = 0
self._state_counts: Counter[str] = Counter()
self._processing_ms: deque[float] = deque(maxlen=512)
self._result_age_ms: deque[float] = deque(maxlen=512)
self._last_error: str | None = None
self._inflight = False
self._condition = threading.Condition()
@@ -638,6 +863,8 @@ class K1LocalSurfaceShadowRuntime:
"dropped_ring_overflow": self._result_dropped,
"state_counts": dict(sorted(self._state_counts.items())),
"failed": self._failed,
"processing_ms": _bounded_distribution(self._processing_ms),
"result_age_ms": _bounded_distribution(self._result_age_ms),
"latest": latest.document() if latest is not None else None,
},
"last_error": self._last_error,
@@ -675,7 +902,128 @@ class K1LocalSurfaceShadowRuntime:
self._results.append(result)
self._processed += 1
self._state_counts[result.state] += 1
self._processing_ms.append(result.processing_ms)
self._result_age_ms.append(result.result_age_ms)
finally:
with self._condition:
self._inflight = False
self._condition.notify_all()
class K1LocalSurfaceShadowCoordinator:
"""Lazy session lifecycle around the bounded pose binder and estimator."""
def __init__(
self,
*,
profile: K1LocalSurfaceProfile = DEFAULT_K1_LOCAL_SURFACE_PROFILE,
point_capacity: int = 2,
pose_capacity: int = 16,
future_pose_wait_ms: float = 25.0,
retention_seconds: float = 3.0,
result_capacity: int = 8,
) -> None:
self.profile = profile
self._queue_capacity = point_capacity
self._result_capacity = result_capacity
self._binder = K1LocalSurfacePoseBinder(
maximum_pose_binding_ms=profile.maximum_pose_binding_ms,
point_capacity=point_capacity,
pose_capacity=pose_capacity,
future_pose_wait_ms=future_pose_wait_ms,
retention_seconds=retention_seconds,
)
self._lock = threading.Lock()
self._runtime: K1LocalSurfaceShadowRuntime | None = None
self._session_id: str | None = None
self._closed = False
def begin_session(self, session_id: str) -> None:
with self._lock:
if self._closed:
raise RuntimeError("K1 local-surface shadow coordinator is closed")
if self._runtime is not None:
if self._session_id == session_id:
return
raise RuntimeError(
"K1 local-surface shadow coordinator session changed"
)
self._runtime = K1LocalSurfaceShadowRuntime(
session_id,
profile=self.profile,
queue_capacity=self._queue_capacity,
result_capacity=self._result_capacity,
)
self._session_id = session_id
def publish_point_cloud(self, value: DecodedPointCloudView) -> int:
runtime = self._active_runtime()
bindings = self._binder.publish_point_cloud(value)
for binding in bindings:
runtime.publish_views(binding.point_cloud, binding.pose)
return len(bindings)
def publish_pose(self, value: DecodedPoseView) -> int:
runtime = self._active_runtime()
bindings = self._binder.publish_pose(value)
for binding in bindings:
runtime.publish_views(binding.point_cloud, binding.pose)
return len(bindings)
def close(self, *, timeout_seconds: float = 30.0) -> None:
with self._lock:
if self._closed:
return
self._closed = True
runtime = self._runtime
if runtime is None:
return
for binding in self._binder.flush():
runtime.publish_views(binding.point_cloud, binding.pose)
runtime.close(timeout_seconds=timeout_seconds)
def snapshot(self) -> dict[str, object]:
with self._lock:
runtime = self._runtime
session_id = self._session_id
closed = self._closed
runtime_snapshot = runtime.snapshot() if runtime is not None else None
return {
"schema_version": K1_LOCAL_SURFACE_SHADOW_SCHEMA,
"mode": "physical-live-shadow-diagnostic-only",
"session_id": session_id,
"binder": self._binder.snapshot(),
"runtime": runtime_snapshot,
"active": runtime is not None and not closed,
"closed": closed and (
runtime_snapshot is None or bool(runtime_snapshot["closed"])
),
"ground_truth": False,
"authority": {
"commands_enabled": False,
"navigation_or_safety_accepted": False,
},
}
def _active_runtime(self) -> K1LocalSurfaceShadowRuntime:
with self._lock:
if self._closed:
raise RuntimeError("K1 local-surface shadow coordinator is closed")
runtime = self._runtime
if runtime is None:
raise RuntimeError(
"K1 local-surface shadow coordinator session is not active"
)
return runtime
def _bounded_distribution(
values: deque[float],
) -> dict[str, float | int | None]:
array: npt.NDArray[np.float64] = np.asarray(values, dtype=np.float64)
return {
"sample_count": int(array.shape[0]),
"p50": float(np.percentile(array, 50)) if array.size else None,
"p95": float(np.percentile(array, 95)) if array.size else None,
"maximum": float(np.max(array)) if array.size else None,
}