 茂之钳
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4c9ee4f760
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docs: doxygen annotations for curves + mesh + sketch
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2026-07-24 11:04:04 +00:00 |
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茂之钳
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3064572072
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fix: onion thickness — reapply correct formula
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2026-07-24 08:52:36 +00:00 |
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茂之钳
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2772c25aef
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fix: onion test expectations to standard abs(d)-thickness
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2026-07-24 08:50:55 +00:00 |
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茂之钳
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4660b186a1
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fix: onion thickness, repeat boundary tie
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2026-07-24 08:49:24 +00:00 |
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茂之钳
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a323776fd3
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fix: SDF nan/edge cases + B-Rep vertex index → ID fix + IGES 1-based DE + STEP cleanup
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2026-07-24 08:42:53 +00:00 |
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茂之钳
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7c95dfa6fd
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fix: sdf — 移除重复 add_subdirectory，移除 C++20 <numbers>
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2026-07-24 07:05:57 +00:00 |
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茂之钳
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b7419a7881
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feat(sdf): S11 — SDF 隐式建模完整模块
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S11-A: SDF 图元库
- 14 种基础形状（inline header）
- sphere/box/round_box/torus/capsule/cylinder/cone/plane/ellipsoid
- triangular_prism/hex_prism/link/wedge
- 2D 挤出（extrusion/extrusion_bounded/revolution）
S11-B: SDF 操作 + 域变形
- 锐利布尔: union/intersection/difference
- 平滑布尔: smooth_union/smooth_intersection/smooth_difference
- 修饰器: round/onion
- 域变形: repeat/mirror/rotate/translate/scale/twist/bend/elongate/displace/cheap_bend
- 24 项测试
S11-C: CSG 表达式树 + 网格转换 + Python 绑定
- SdfNode 树结构 — 工厂构造函数，递归求值
- sdf_to_mesh — 基于 marching_cubes 的 SDF→网格
- bind_sdf — pybind11 Python 绑定
文件: 14 文件，2,545 行（测试 1,296 行）
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2026-07-24 07:04:55 +00:00 |
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茂之钳
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ebd29e2a21
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feat(sdf): S11-B — SDF operations + domain deformations
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Add header-only SDF combinator operations and domain deformation
functions based on Inigo Quilez standard formulations:
Boolean operations:
- op_union (min), op_intersection (max), op_difference (max(-d1,d2))
- Smooth variants: op_smooth_union/intersection/difference with blend radius k
with graceful fallback to sharp when k <= 0
Shape modifiers:
- op_round (d - r), op_onion (abs(d) - t/2)
Domain deformations (coordinate remapping):
- op_repeat (infinite grid repetition)
- op_mirror_x/y/z (with optional offset)
- op_rotate (Y-axis), op_translate, op_scale
- op_twist (Y-axis), op_bend, op_cheap_bend
- op_elongate, op_displace
All functions are inline in include/vde/sdf/sdf_operations.h.
Comprehensive unit tests in tests/sdf/test_sdf_operations.cpp covering
sharp/smooth booleans, modifiers, domain ops, and composition tests.
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2026-07-24 07:02:03 +00:00 |
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