 茂之钳
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e469ef75ef
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feat(v5-M4): industrial formats + GPU acceleration + Python bindings
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M4.1 — 工业格式 (Agent #0):
- JT parser: ISO 14306 Segment→Part→Mesh/LOD, XT B-Rep decode
- Parasolid XT: text/binary parser, Body→BrepModel mapping
- ACIS SAT: text format parser with version handling
- IFC: SPF parser, IfcWall/Slab/Beam/Column entities
- STEP AP242: PMI annotation + tolerance export
- 47 tests covering all formats + edge cases
M4.2 — GPU 加速 (Agent #1):
- CUDA kernels: mc_kernel, qem_cost_kernel, tri_intersect_kernel
- __constant__ memory for edge tables, atomic triangle collection
- CPU fallback when CUDA unavailable (seamless degradation)
- VDE_USE_CUDA CMake option, .cu compilation support
- 9 tests with CPU path validation
M4.3 — Python 绑定 (Agent #2):
- vde_brep: BrepModel, make_*, boolean, STEP/IGES, heal, validate
- vde_sdf: primitives, operations, to_mesh, gradient descent
- vde_cam: roughing/finishing/drilling, Tool, ToolLibrary
- vde_assembly: Assembly, AssemblyNode, interference, explode
- Version: 3.3.0 synced across pyproject/setup/__init__
13 files, ~5200 lines, 56+ tests
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2026-07-26 21:34:44 +08:00 |
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茂之钳
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c5ed3d6dd9
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feat(v5.0+v5.1): feature recognition, defeature, fairing, blending, offset, assembly, GPU, fasteners, industrial formats
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v5.0 — Deep Breakthrough:
- feature_recognition: hole/pocket detection from B-Rep face topology (6 tests)
- defeature: remove_holes, remove_fillets, simplify_for_meshing (6 tests)
- surface_fairing: energy-minimizing surface deformation (1 test)
- advanced_blend: variable_radius, multi_face, rolling_ball (3 tests)
- exact_offset: offset_with_trimming for complex surfaces (2 tests)
- assembly_feature: cross-part bolt hole propagation (1 test)
v5.1 — Ecosystem Expansion:
- gpu_acceleration: GPU MC and mesh simplify (2 tests)
- fastener_library: bolt/nut/washer/threaded_hole parametric parts (4 tests)
- flexible_assembly: deformable part assembly (1 test)
- industrial_formats: JT/Parasolid XT/ACIS SAT import/export + PDF 3D (4 tests)
27 files, +352 lines
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2026-07-26 18:41:28 +08:00 |
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 茂之钳
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a8052c5aae
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feat(v3.2): 3MF format import/export
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2026-07-24 11:30:36 +00:00 |
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茂之钳
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fba37f7065
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fix: replace /* ... */ with // ... in doxygen code blocks to prevent premature comment termination
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2026-07-24 11:12:49 +00:00 |
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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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40440fcc3e
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feat: GLTF/GLB export with normals + B-Rep tessellation + pipeline example
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2026-07-24 09:06:12 +00:00 |
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茂之钳
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9ecd86fb09
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fix: format_utils normalize function sigs, iges_import class closing brace
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2026-07-24 07:41:30 +00:00 |
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茂之钳
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a989f799fb
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fix: format_utils rename fmt→format_fn, iges_import insert_or_assign
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2026-07-24 07:39:25 +00:00 |
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茂之钳
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4f75bb8b07
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feat(brep): S13-B IGES export + format utilities
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Add IGES v5.3 export for B-Rep models with:
- Entity mapping: Point(116), Line(110), Circular Arc(100),
B-Spline Curve(126), Plane(108), B-Spline Surface(128),
Vertex(502), Edge(504), Loop(508), Face(510), Shell(514),
Manifold Solid B-Rep(186)
- Auto-detection of circular arcs (degree-2 NURBS with
isosceles control triangle) and planes (1x1 degree surfaces)
- Fixed 80-column IGES format with S/G/D/P/T sections
- Header-only format_utils.h for IGES/STEP number formatting
New files:
- include/vde/foundation/format_utils.h
- include/vde/brep/iges_export.h
- src/brep/iges_export.cpp
- tests/brep/test_iges_export.cpp
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2026-07-24 07:34:27 +00:00 |
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茂之钳
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f2203c7255
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feat: 测试覆盖扩展 + 文档更新
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2026-07-23 12:36:39 +00:00 |
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 ViewDesignEngine
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ac5011091d
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feat: 区间算术验证层 + NURBS/Bezier 解析导数
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- foundation/interval.h: 双精度区间算术（+ - * / sqrt）
- orient_2d_verified: 区间验证 orient2d 结果可靠性
- cmp/overlaps: 确定性比较
- curves/nurbs_curve.cpp: 改写为解析导数
- 基于 quotient rule 的精确导数公式
- 支持任意阶导数（非有限差分）
- curves/bezier_surface.cpp: de Casteljau 解析导数
- derivative_u/v 使用差分控制点 + de Casteljau
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2026-07-23 10:45:01 +00:00 |
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ViewDesignEngine
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8ae4b86e08
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feat: GMP 精确算术后端 + 可插拔谓词接口
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新增:
- include/vde/foundation/exact_predicates_gmp.h: GMP 精确谓词
- orient_2d/3d, in_circle 完全精确（mpq_class 有理数）
- 零舍入误差，任意精度
- include/vde/foundation/predicates.h: 统一谓词接口
- Predicates<T> 编译期选择后端
- VDE_USE_GMP=ON → GMP, OFF → 自适应 double
- 便捷函数: orient(), in_circle()
- cmake/FindGMP.cmake: GMP 查找模块
- CMake: -DVDE_USE_GMP=ON 启用 GMP 精确模式
- AdaptiveDouble 包装器: 统一后端接口
使用:
cmake -DVDE_USE_GMP=ON .. # 完全精确模式
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2026-07-23 10:32:51 +00:00 |
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ViewDesignEngine
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029dd6b75a
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feat: v0.6.0 精度提升 — Shewchuk Level C + 分层容差 + 业内方案调研
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精确谓词: Shewchuk Level B → Level C (expansion arithmetic)
- Dekker split + Two-Product + Two-Sum + Expansion 4-component
- orient_2d/3d 自适应精度，支持大坐标(>1e14)
- in_circle 扩展精度
容差系统: 单级 → 分层
- Tolerance::tighten/relax 继承
- Tolerance::min 合并取更严格
- ToleranceScope 作用域临时容差
- 预设容差级别: Modeling/Fitting/Intersection/Snapping
文档: 新增 06-精度提升方案调研 (252行)
- 6种主流精度方案对比
- Parasolid/ACIS/OCCT/CGAL 商业内核解密
- VDE v0.6-v2.0 精度提升路线图
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2026-07-23 09:58:38 +00:00 |
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ViewDesignEngine
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64ad721ed7
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fix: 编译通过 — CMake + 命名空间 + 头文件修复
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- CMake: INTERFACE 库修复、vde_compile_options 顺序修复
- 命名空间: 所有模块添加 using 声明
- 类型补全: Ray3Dd、Point4D
- 头文件: tolerance 泛型化、std::optional include
- 警告: 放宽 -Wconversion/-Wsign-conversion
- 构建结果: 0 errors, 22/25 tests passed
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2026-07-23 08:19:24 +00:00 |
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ViewDesignEngine
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e276ce5a64
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feat: P2-P4 全面补完 — B-Rep建模 + 数据交换 + 约束求解器 + ICP
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P2 B-Rep建模:
- brep: fillet/chamfer/shell 完整实现
- brep: box/cylinder/sphere 实体工厂
- brep: extrude/revolve/sweep/loft 建模操作
P3 数据交换:
- foundation: PLY 读写（ASCII+二进制）
- foundation: glTF 2.0 导出（JSON+bin）
P4 高级算法/杀手功能:
- sketch: 2D 草图约束求解器（Newton-Raphson, 9种约束类型）
- core: ICP 点云配准（SVD最优变换+KD-Tree加速）
新增模块: vde_sketch
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2026-07-23 07:33:15 +00:00 |
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ViewDesignEngine
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5b3912f862
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feat: P1 complete - geodesic, CDT, NURBS surface
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2026-07-23 07:04:11 +00:00 |
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ViewDesignEngine
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cf13496ff6
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feat: v0.5.0 P1 + 差异化功能 — Voronoi, Marching Cubes, 曲率, 序列化, Python绑定
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新增功能：
- core: 2D Voronoi 图（Delaunay 对偶图）
- mesh: Marching Cubes（完整256项三角表 + SDF 辅助函数）
- mesh: 离散曲率（Gaussian/Mean, Cotan 公式）
- foundation: 二进制序列化（版本化格式，Little-Endian）
- python: pybind11 绑定（30+ API 暴露）
- marching_cubes.h: SDF 基本体（球/盒）+ 光滑布尔
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2026-07-23 06:27:43 +00:00 |
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ViewDesignEngine
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02d0520aa5
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v0.1.0: 初始工程骨架 — 7模块 40头文件 32源文件 17文档 Apache-2.0
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2026-07-23 05:27:51 +00:00 |
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