raygeo.geo.algo.smooth

Polyline smoothing using Gaussian kernels.

Provides Gaussian kernel computation and circular/linear polyline smoothing with configurable corner angle thresholds to preserve sharp features.

Functions

compute_gaussian_kernel(amount: int) -> tuple[list[float], float]

Compute a Gaussian kernel of the given size.

Returns: Tuple of (kernel_values, sigma).

Parameter	Type	Description
`amount`	`int`	Kernel size.
Returns	`tuple[list[float], float]`

resample_polyline(points: Sequence[Point3D], max_segment_length: float, is_closed: bool) -> list[Point3D]

Resample a polyline with a maximum segment length.

Returns: Resampled points.

Parameter	Type	Description
`points`	`Sequence[Point3D]`	Sequence of 3D points.
`max_segment_length`	`float`	Maximum allowed segment length.
`is_closed`	`bool`	Whether the polyline is closed.
Returns	`list[Point3D]`

smooth_circularly(points: Sequence[Point3D], kernel: Sequence[float]) -> list[Point3D]

Smooth a closed polyline circularly.

Returns: Smoothed points.

Parameter	Type	Description
`points`	`Sequence[Point3D]`	Sequence of 3D points to smooth.
`kernel`	`Sequence[float]`	Gaussian kernel values.
Returns	`list[Point3D]`

smooth_polyline(points: Sequence[Point3D], amount: int, corner_angle_threshold: float, is_closed: Optional[bool] = None) -> list[Point3D]

Smooth a polyline using Gaussian smoothing.

Returns: Smoothed points.

Parameter	Type	Description
`points`	`Sequence[Point3D]`	Sequence of 3D points to smooth.
`amount`	`int`	Smoothing amount (kernel size).
`corner_angle_threshold`	`float`	Angle threshold for preserving corners.
`is_closed`	`Optional[bool] = None`	Whether the polyline is closed.
Returns	`list[Point3D]`

smooth_sub_segment(points: Sequence[Point3D], kernel: Sequence[float]) -> list[Point3D]

Smooth a sub-segment of a polyline.

Returns: Smoothed points.

Parameter	Type	Description
`points`	`Sequence[Point3D]`	Sequence of 3D points to smooth.
`kernel`	`Sequence[float]`	Gaussian kernel values.
Returns	`list[Point3D]`