lensrender opなし → table(引数だけで決まる op —— 画像やデータの入力を取らない)import fullseye as fs; fs.ledger.lens_scene(objects=None, lights=None, sources=None, background=0.0, ambient=None, shadows=True) -> 'dict' (実装を直接呼ぶなら import lensrender; lensrender.lens_scene(objects=None, lights=None, sources=None, background=0.0, ambient=None, shadows=True) -> 'dict'、台帳から引くなら opsoptics.get("lens_scene"))Build and validate a simple 3-D scene for :func:render_scene_through_lens -> dict (the scene table).
objects is a list of dicts. {"type": "plane", "z_mm": -1000, "size_mm": (w, h), "albedo": ...} is a plane facing the lens
(point_mm and normal / up tilt it; with size_mm it is the rectangle around the point, without it it is infinite)
whose albedo may be a texture (H, W) or (H, W, 3) mapped onto the rectangle with bilinear sampling
(row 0 at the top, up is the picture’s up). {"type": "sphere", "center_mm": (x, y, z), "radius_mm": r} and
{"type": "mesh", "vertices_mm": (V, 3), "faces": (F, 3)} (Moller-Trumbore, flat shading) take the same material keys:
albedo (a number, an (R, G, B) triple at the effective wavelengths 0.61 / 0.54 / 0.465 um, or {"nm", "value"}),
specular (the weight ks of a normalised Blinn-Phong lobe, whose albedo is about ks), shininess and emission
(spectral radiance of a self-luminous surface, W m^-2 sr^-1 nm^-1). lights: {"type": "directional", "to_light": (x, y, z),
"irradiance_W_m2_nm": E} (E at normal incidence) or {"type": "point", "position_mm": ..., "intensity_W_sr_nm": I}; shadow
rays are traced when shadows is true. ambient is a spectral irradiance (default 0, or 0.05 in the demo scene) that lights every surface without shadows;
background is the spectral radiance a ray that hits nothing sees. sources are bright points seen by the camera,
{"position_mm": (x, y, z), "intensity_W_sr_nm": I}: they are splatted by forward ray tracing (point sources cannot be
found by random rays from the sensor), do not occlude and cast no shadows. With nothing given the table is a demo: a 2 mm
checkerboard plane, a glossy sphere, one directional light and a little ambient light. Unknown keys, a degenerate
triangle, a negative albedo or a tabulated spectrum outside its range are refused.
optics の全 op は入力を検証してから計算する(黙って通さない):
_mm / _um / _deg / _mrad。mm と µm の取り違えは crash ではなく「もっともらしく間違った答え」なので、名前で防ぐ。大きさから単位を推測する処理は一切しない。ValueError — float('50') は成功してしまうため、未パースの設定値が長さとして通り抜ける(実測: thin_lens('50', '200') がもっともらしい 66.667 mm を返していた)。bool も True == 1 の暗黙昇格として拒否。ValueError(実数枠のみ。虚部の無言切り捨て・マスク剥がしを拒否)。NaN/Inf は全入力で ValueError。depth_of_field の過焦点距離以遠の far_mm = inf(それが過焦点距離の定義)と gaussian_beam のウエストでの wavefront_radius_mm = inf(平面波面の曲率半径)。どちらも有限の相棒(far_is_infinite / curvature_per_mm)を併せて返す。それ以外の無言 NaN/Inf は内部で検出して ValueError —「float64 が溢れた」と「答えが無限大」は別の主張なので、後者の顔で前者を返さない。optics.MAX_GRID(4096)、供給された場/PSF/開口は optics.MAX_FIELD_ELEMENTS(2^24)、ABCD 素子列は optics.MAX_SYSTEM_ELEMENTS(1024)、Zernike は MAX_ZERNIKE_TERMS(512)/ MAX_ZERNIKE_ORDER(40)/ MAX_ZERNIKE_BASIS(2^25)。小さな引数から巨大な内部確保が起きる経路(実測: n_max=40 × 4096² で 108 GB)を fail-closed で塞ぐ。| 物理的に不可能な状態も拒否: 偏光度 > 1 の Stokes ベクトル、負の透過率、負の強度、n- | m | が奇数などの不正な Zernike 添字。 |
py -3.11 examples/plenoptic_capture_pipeline.pypy -3.11 examples/poc_photograph_through_prescription.pypy -3.11 examples/poc_plenoptic_camera.pytable を入力に取れる)abcd_matrix · wavefront_stats · sfr_from_edge · paraxial_trace · seidel_coefficients · spot_stats · tolerance_analysis · wavefront_from_opd
lensrender)exit_pupil_samples · trace_sensor_rays · scene_radiance · render_scene_through_lens · bokeh_shape · render_ghost_overlay · render_compare_prescriptions
Provenance: lensrender.py — OPTICS 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.