 茂之钳
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2ecad1543f
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feat(v8): ultimate performance + CAM full optimization + visualization/IGA/quality
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v8.1 — 极致性能 (SIMD + LockFree + Transaction + NUMA):
- simd_vector.h: Vec4d/Vec4f SSE/AVX/NEON auto-detect, batch AABB, SoA transpose
- concurrent_data: LockFreeQueue (MPMC CAS), LockFreeStack (Treiber), ConcurrentHashMap (64-segment sharded)
- transaction: Command pattern, UndoManager (infinite undo/redo), crash-recovery journal
- performance_tuning: NUMA-aware, cache_line aligned, prefetch, hot/cold separation
- 20 tests (concurrent + transaction), ~2600 lines
v8.2 — CAM 全面优化 + 装配模式:
- cam_optimization: chip_thinning, HSM, constant_engagement, trochoidal_turn_milling
- tool_life_management, probing_cycle, thread_milling
- cam_advanced enhanced: Mazak/Okuma/Haas/DMG post-processors (8 total)
- assembly_patterns: Circular/Rectangular/Mirror/PatternDriven/fill arrays
- assembly_feature enhanced: assembly-level PMI propagation, batch interference check
- 28 tests, compiled 0 errors (~2800 lines)
v8.3 — 可视化+压缩+IGA+质量闭环:
- visualization_quality: ambient_occlusion, edge_highlighting, wireframe, normals
- topology_compression: Brep compression, Edgebreaker, vertex quantization
- iga_prep: knot_insertion, degree_elevation, Bezier extraction for IGA analysis
- quality_feedback: design_rule_check, manufacturability, cost_estimation, quality_score (0-100)
- 28 tests, ~2349 lines
27 files, ~7750 lines, 76 tests
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2026-07-26 23:13:22 +08:00 |
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茂之钳
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66777e0839
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feat(v6.1): 5-axis CAM + reverse engineering + FEA mesh generation
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v6.1.1 — 5-Axis CAM:
- cam_5axis.h/.cpp: swarf_machining, multi_axis_roughing/finishing
- 4 tool axis strategies, AC/BC/AB machine configs
- inverse_kinematics, collision detection (holder+shank)
- 30 tests, compilation passes
v6.1.2 — Reverse Engineering:
- point_cloud.h/.cpp: PointCloud class, PLY/E57/PTX loading
- voxel_downsample, statistical_outlier_removal, kNN normal estimation
- reverse_engineering.h/.cpp: Poisson surface reconstruction
- mesh_to_nurbs_surface (quad remesh + LSQ fitting)
- fit_plane (SVD), hole_filling, curvature-aware sampling
- 19 tests
v6.1.3 — FEA Mesh Generation:
- fea_mesh.h/.cpp: tetrahedral (Delaunay 3D), boundary layer (prism)
- hexahedral (sweep/extrude), adaptive refinement
- MeshQuality: skewness, aspect_ratio, Jacobian, orthogonality
- export_abaqus/ansys/nastran formats
- 15 tests, 7/8 quality metrics verified
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2026-07-26 22:08:38 +08:00 |
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茂之钳
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cf38d76fd0
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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
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2026-07-26 17:28:15 +08:00 |
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茂之钳
ViewDesignEngine