course_distance — DRIVE terrain op

• Data kinds: table × points → table

• Call: import fullseye as fs; fs.ledger.course_distance(course, xy) -> 'dict' (to call the implementation directly, import driveterrain; driveterrain.course_distance(course, xy) -> 'dict'; from the registry, opsdrive.get("course_distance"))

Usage

> This operator's description has not been translated yet. The original text follows as it is.

点 (N, 2) からコース(走れる多角形の和)への距離と、最寄り点から外へ向く単位ベクトル。

`{"d" (N,), "nx" (N,), "ny" (N,)}`。内側は d = 0、n = 0。外側の d は最寄りの辺への点-線分距離の閉形式で、

中心軸(最寄り点が 2 つある所)を除いて |∇d| = 1(eikonal)。

References (sample data, literature)

• Sample-data catalog (download URLs / licences) — 2-D uses skimage.data (BSD/public domain) plus synthetic images; 3-D lists download URLs for real data sources (Stanford, PDS, …).

• Operator provenance and references — the sources of the research/methods this op family came from.

• The canonical algorithm (author, year) and its uses are named in the family usage guide above.

Runnable examples (verified samples that actually call this op)

• poc_world_terrain — py -3.11 examples/poc_world_terrain.py

Ops the type connects to (they accept table as input)

course_layout · course_occupancy · course_contains · world_build · world_camera · world_move · lidar_scan · rss_longitudinal_same

Same category (terrain)

perlin2 · fbm_params · fbm_height · fbm_gradient · radial_periodogram · spectral_slope · terrain_params · terrain_height

*Provenance: driveterrain.py — DRIVE operator registry. This per-op note is generated by tools/opdocs.py md (do not hand-edit).*

© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.