illumination op• 数据种类:无 → table(仅由参数决定的算子 —— 不接受图像或数据输入)
• 调用:import illumdesign; illumdesign.illumination_design(surface='glossy', defect='topographic', slope_deg=10.0, part_size_mm=50.0, camera_height_mm=300.0)(或 opsoptics.get("illumination_design"))
针对某个「表面 / 缺陷」组合给标准照明族排序(`table`)。
> 以下的详细说明为原文 —— 摘要与标题已翻译。
Candidates: low-angle ring (dark field, elevation 20°), high-angle ring
(bright field, 70°), the elevation that :func:lighting_sweep finds best,
dome, coaxial and (for `defect="edge"`) backlight. Each is scored by the
simulated Michelson contrast of the stated defect — `topographic`: a
smooth facet of *slope_deg* (a dent wall, a bump); `scatter`: a rough
patch (chipped edge, pit, fine scratch); `pigment`: an albedo patch at
half the surround; `edge`: a silhouette — **multiplied by the uniformity
of the background radiance the camera sees** across the part (min/max over
the centre and the four edge midpoints). That second factor is what
separates a robust choice from a fragile one: coaxial light on a glossy
part gives a huge negative contrast exactly on axis (the glare) and almost
none a few millimetres away, so its background uniformity is poor and it
ranks below a dark field whose background is uniformly dark. Irradiance
uniformity is reported too. The result lists the candidates best first
with their numbers, the `recommended family, and rule_of_thumb` — the textbook
choice (a smooth facet → coaxial bright field on a glossy finish, else the
ring elevation that mirrors it into the camera; scatter → dark field; pigment →
dome; edge → backlight) so a disagreement between simulation and rule is
visible rather than hidden. Two things the numbers say that folklore does
not: a *smooth* 10° facet does not light up in dark field (it mirrors
the low light away from the camera) — the "dark field shows scratches"
rule is about their rough flanks, the `scatter` class here; and for that
class a large coaxial (bright-field) source often scores *higher* than
dark field because the rough patch appears dark on a uniform glare with
contrast near 1 (the wafer / glass inspection practice). The model does
not score sensor saturation or the glare's dependence on part flatness,
which is why the dark-field rule survives on the shop floor; the table
shows both so the choice is made with the numbers.
optics 的每个算子都先校验输入再计算(不让任何东西无声通过):
• 单位写进参数名 —— _mm / _um / _deg / _mrad。把 mm 和 µm 弄混不会崩溃,而是给出「看着合理却是错的答案」,所以用命名来防。这里绝不从数值大小去猜单位。
• **字符串一律 ValueError** —— float('50') 会成功,于是未解析的配置值会被当成长度混进来(实测:thin_lens('50', '200') 曾返回看着合理的 66.667 mm)。bool 也按 True == 1 的隐式提升拒绝。
• **complex / masked array 一律 ValueError(仅接受实数槽位;拒绝无声丢弃虚部或剥掉掩码)。所有输入中的 NaN/Inf 一律 ValueError**。
• 逐项点名拒绝除零及其近亲:焦距 0、曲率半径 0、折射率 <= 0、全不透明光阑(全为 0,归一化变成 0/0)、总和 <= 0 的 PSF、S0 = 0 的 Stokes 矢量、物体位于前焦点(像在无穷远)。
• 只有两个算子会返回非有限值,而且都写进了契约:depth_of_field 在超焦距以外返回 far_mm = inf(这正是超焦距的定义),gaussian_beam 在束腰处返回 wavefront_radius_mm = inf(平面波前的曲率半径)。两者都同时返回一个有限的搭档(far_is_infinite / curvature_per_mm)。**除此之外的无声 NaN/Inf 都在内部检出并 ValueError** ——「float64 溢出了」和「答案是无穷大」是两种不同的主张,不能拿后者的脸去交付前者。
• 尺寸上限:生成网格受 optics.MAX_GRID(4096)限制,传入的场/PSF/光阑受 optics.MAX_FIELD_ELEMENTS(2^24),ABCD 元件序列受 optics.MAX_SYSTEM_ELEMENTS(1024),Zernike 受 MAX_ZERNIKE_TERMS(512)/ MAX_ZERNIKE_ORDER(40)/ MAX_ZERNIKE_BASIS(2^25)。以 fail-closed 堵住「小参数引发巨大内部分配」的路径(实测:n_max=40 × 4096² 需要 108 GB)。
• 物理上不可能的状态同样拒绝:偏振度 > 1 的 Stokes 矢量、负透过率、负强度、n-|m| 为奇数等非法 Zernike 指标。
• mv_illumination_practice — 照明の実務知識 — 波長・偏光・点灯方式・外光・安全
• 示例数据目录(下载 URL / 许可证) —— 2-D 用 skimage.data(BSD/公有领域)加合成图,3-D 给出真实数据源(Stanford/PDS 等)的下载 URL。
• 算子来历与参考文献 —— 该算子族所依据的研究/方法出处。
• 算法的正典(作者・年份)与用途见上面的族使用指南。
• illumination_design_demo — py -3.11 examples/illumination_design_demo.py
table 作为输入)abcd_matrix · wavefront_stats · paraxial_trace · seidel_coefficients · spot_stats · tolerance_analysis · wavefront_from_opd · spot_diagram
illumination)light_source · irradiance_map · illumination_uniformity · defect_contrast · lighting_sweep
*Provenance: illumdesign.py — OPTICS 算子登记表。本条目由 tools/opdocs.py md 自动生成(请勿手工编辑)。*
© 2026 Kazufumi Furuse — Fullseye operator documentation. Licensed under Apache-2.0.