course_loop — DRIVE `course` op

• Data kinds: none → table (an op determined by its arguments alone — it takes no image or data input)

• Call: import fullseye as fs; fs.ledger.course_loop(straight=80.0, radius=30.0, width=8.0, arc_pts=64, overlap=0.05) (to call the implementation directly, import drivecourse; drivecourse.course_loop(straight=80.0, radius=30.0, width=8.0, arc_pts=64, overlap=0.05); from the registry, opsdrive.get("course_loop"))

Usage

Loop course (oval): returns {"elements": [...], "placements": [...]} with 2 straights + 2 semicircles placed around the origin (pass it as is to course_layout). Counterclockwise: south straight (eastbound, y = −R) → east semicircle → north straight (westbound, y = +R) → west semicircle. The straights overlap the semicircles by overlap at both ends (an overlap so that no curb rises at the seams when converted to 3-D; the sum of the areas counts that part twice). Standard (ordinary license): a straight driving section of 80 m or more, width 8 m or more.

> The detailed description below is the original text — the summary and the headings are translated.

Raises ValueError: 直線が正でない、半円の条件(course_loop_bend)。

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_driving_school — py -3.11 examples/poc_driving_school.py

• poc_ttc_rss — py -3.11 examples/poc_ttc_rss.py

• 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 (`course`)

course_crank · course_s_curve · course_turnaround · course_slope · course_intersection · course_parallel_parking · course_crossing · course_road

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

course_loop — DRIVE course op