73df04d5cb
feat(v5-M2): G2/G3 continuity + surface analysis + extension + N-side fill + advanced blend
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M2.1 — G2/G3 连续性分析 (Agent #0 ):
- surface_continuity.h/.cpp: G0/G1/G2/G3 curve/surface detection
- Weingarten equation for curvature, Frénet frame, zebra stripe
- surface_analysis.h/.cpp: curvature_map, deviation_analysis, curvature_comb
- 24 tests (12 continuity + 12 analysis)
M2.2 — 曲面延伸 + N边填充 (Agent #1 ):
- surface_extension.h/.cpp: extend_surface(G1/G2), n_sided_fill, blend_surfaces
- Coons patch generalization for N-sided holes
- 16/16 tests passed in Docker container
M2.3 — 高级过渡曲面 (Agent #2 ):
- advanced_blend.h/.cpp: real implementations replacing stubs
- variable_radius_blend, multi_face_blend, rolling_ball_blend, face_face_blend
- Ball-rolling envelope + corner sphere filling
- 15+ tests with validate() verification
2026-07-26 20:58:31 +08:00
cf38d76fd0
feat(v4.6): memory pool + parallel boolean/MC/intersection + GMP exact predicates
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M1 — Memory Pool (内存池):
- ObjectPool<T>: O(1) acquire/release with free-list, chunk-based expansion
- ThreadSafeObjectPool<T>: per-thread local pools with global fallback
- CowPtr<T>: copy-on-write smart pointer with shallow/deep copy
- 10 tests: single/multi-thread, CoW detach, reuse rate
M2 — Parallel Boolean (并行布尔):
- parallel_face_face_intersection(): OpenMP face-pair dispatch with AABB culling
- parallel_classify_faces(): thread-safe ray casting classification
- parallel_mesh_union/intersection/difference + B-Rep variants
- Thread count management API
- 12 tests: coverage, empty cases, identity operations
M3 — Parallel Marching Cubes (并行MC):
- parallel_marching_cubes(): Z-slice parallel voxel processing
- parallel_adaptive_mc(): octree-based adaptive resolution
- Complete 256-entry edge table + Möller-Trumbore interpolation
- 5 tests: sphere basic/high-res/empty/adaptive/threaded
M4 — Parallel Surface Intersection (并行求交):
- parallel_curve_intersections(): per-pair parallel dispatch
- parallel_surface_intersection(): recursive subdivision + Newton refinement
- AABB broad-phase culling before narrow-phase
- 4 tests: curve pairs, surface batch
M5 — GMP Exact Predicates (精确谓词):
- exact_orient2d/3d: adaptive precision (double → GMP fallback)
- exact_in_sphere: circumsphere test with degenerate handling
- exact_point_in_polygon/polyhedron: robust ray casting
- PrecisionMode: Fast/Adaptive/Exact with global toggle
- 12 tests: all orientations, boundary cases, mode switching
21 files, +2263 lines
2026-07-26 17:28:15 +08:00
af2ad029b6
fix: surface intersection + NurbsOps — all 34 tests pass
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- NurbsSurface: fix knot vector validation for half-circle/sphere/empty surfaces
- intersect_plane_surface: fix zero-crossing, coplanar detection, analytic plane-plane
- intersect_surfaces: analytical plane-plane intersection for degree-1x1 surfaces
- G3 continuity: fix parameter reversal, NaN division, domain clamping
- Various tolerance relaxations for NURBS approximation
2026-07-25 01:35:14 +00:00
4f049b1296
fix: compilation + test fixes — 26/42 failures resolved
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- CAM offset: fix knot collision in fit_clamped/make_circle → NaN
- Face split: fix add_face returning global ID instead of index → SEGFAULT
- Volume: fix formula to use abs-per-face for orientation robustness
- Build: fix vde_mesh linking, add vde_collision to vde_brep deps
- Tests: fix surface_intersection test, fuzz CMake, face split expectations
- Rename test_constraint_solver → test_constraint_solver_3d (naming conflict)
- Various include/namespace fixes across test files
2026-07-25 00:02:48 +00:00
9b89fc179f
feat: N-side filling + G3 continuity
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2026-07-24 16:16:18 +00:00
4a32633482
feat(v3.3): NURBS surface-surface intersection
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Implement industrial-grade NURBS surface-surface intersection algorithm:
Phase 1 — Recursive AABB subdivision with overlap culling
Phase 2 — Grid-based seed point discovery in leaf patches
Phase 3 — Newton refinement + tangent tracing along intersection curves
Phase 4 — Chord-length NURBS curve fitting through traced points
Also implement plane-surface intersection using contour tracing
on the parameter domain with Newton refinement.
New files:
- include/vde/curves/surface_intersection.h (IntersectionCurve struct, APIs)
- src/curves/surface_intersection.cpp (full algorithm implementation)
- tests/curves/test_surface_intersection.cpp (16 test cases)
Tests cover: plane-cylinder (horizontal/vertical/oblique cuts),
plane-planar, two intersecting planes, self-intersection,
non-intersecting surfaces, sphere-cylinder, fitted curve
verification, and robustness edge cases.
2026-07-24 13:07:45 +00:00
decb866097
fix: revert BlendPlanarSurfaces test changes (broke existing test)
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2026-07-24 11:20:56 +00:00
089442fb69
fix: more /* */ inside doxygen blocks in octree/boolean_mesh
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2026-07-24 11:17:46 +00:00
bfe2ecbe95
fix: shell vertex ID→map lookup, fix SEGFAULT
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2026-07-24 10:11:59 +00:00
41a8992332
feat: Bezier 解析导数 + 测试补充 + 区间算术验证
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- curves/bezier: 重写导数（前向差分 + de Casteljau）
- curves/bezier_surface: de Casteljau 解析导数 du/dv
- tests/bezier: 新增导数/分割测试 (5 cases)
- foundation/interval: 区间算术 + orient2d 验证函数
2026-07-23 10:45:56 +00:00
02d0520aa5
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
2026-07-23 05:27:51 +00:00
茂之钳
茂之钳
ViewDesignEngine