cone_profile_px — DRIVE granular op

• Data kinds: signal × scalar × scalar → signal

• Call: import fullseye as fs; fs.ledger.cone_profile_px(u, H_px: 'float', phi_deg: 'float', toe_round_px: 'float' = 0.0, apex_blunt_px: 'float' = 0.0) (to call the implementation directly, import granular; granular.cone_profile_px(u, H_px: 'float', phi_deg: 'float', toe_round_px: 'float' = 0.0, apex_blunt_px: 'float' = 0.0); from the registry, opsdrive.get("cone_profile_px"))

Usage

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

円錐の母線の断面 `c(u) [px] (u` = 軸からの距離 [px])。

基本は `c = max(0, H − u tan φ)。apex_blunt_px` = 頂に内接する円弧の半径(材料を削る、中心は

`(0, H − r/cos φ)、接点 u = r sin φ)。toe_round_px` = 裾の凹みを埋める円弧の半径(材料を

足す、中心は空気側 `(x_t, r)、x_t = R + r tan(φ/2)、接点 u = x_t − r sin φ`)—— どちらも

接線連続(導出: 接点で両側の高さが裾は `r(1 − cos φ)、頂は H − r sin²φ / cos φ で一致)。**Raises** ValueError`: 2 つの円弧が重なる(山が小さすぎる)。

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)

• (none yet)

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

flight_vacuum · magnus_lift_coefficient · drag_coefficient_sphere · restitution_from_apexes · restitution_from_intervals · fit_parabola · flight_fit · fit_aero

Same category (granular)

heap_volume_cone · heap_mass · heap_volume_heightmap · beverloo_rate · beverloo_fit · discharge_synth · dispense_mass_from_video · hopper_discharge_rate


*Provenance: granular.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.