geometry oppoints → primitiveimport fullseye as fs; fs.ledger.fit_sphere3(points) -> 'dict' (実装を直接呼ぶなら import measure3d; measure3d.fit_sphere3(points) -> 'dict'、台帳から引くなら ops3d.get("fit_sphere3"))Algebraic (Kåsa) least-squares sphere fit to (depth, row, col) points:
solve |P|^2 = 2 P·c + (r^2 - |c|^2) in the least-squares sense — exact for
points on a sphere, a standard robust estimator under moderate noise. Returns
center (cd/cr/cc), radius r, and the RMS radial residual. Raises
ValueError on < 4 points or a coplanar set (no finite sphere).
py -3.11 examples_3d/primitive_fitting_3d.pypy -3.11 examples_3d/roi_domain_boundary.pyprimitive を入力に取れる)fuse_to_voxel · angle_between_lines · angle_between_planes · angle_line_plane · distance_point_plane · distance_point_line · distance_line_line · distance_segment_segment
geometry)line_from_2points · plane_from_3points · angle_3points · angle_between_lines · angle_between_planes · angle_line_plane · distance_point_plane · distance_point_line
Provenance: measure3d.py — 3D operator registry. この per-op ノートは tools/opdocs.py md が自動生成(手編集しない)。
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.