3d435a4801
feat(v4.3): mass properties, clearance, assembly mass props
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- MassProperties struct: volume, centroid, inertia tensor, gyration radii
- mass_properties(): tetrahedral decomposition for inertia tensor
- assembly_mass_properties(): recursive assembly traversal with parallel axis
- clearance(): AABB-accelerated gap analysis
- 11 new tests, 21/21 passing
2026-07-25 07:12:18 +00:00
1b24bff3b1
perf(v4.2): 15x boolean speedup — fast pre-classification + fragment limit
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1. classify_face_uniform: sample 5 surface points, classify by AABB + distance
(avoids expensive to_mesh ray-casting for clearly IN/OUT faces)
2. MAX_FRAGMENTS=30 early exit: stop SSI splitting when fragment count
exceeds threshold (classification handles remaining work)
3. Applied to all 3 boolean ops (union/intersection/difference)
Results:
- All 21 boolean tests: >300s → 20.7s (15x faster)
- Union_BoxAndSphere_UsesSSI: >120s → ~6s
- Union_BoxAndCylinder: 92s → ~3s
2026-07-25 07:00:06 +00:00
7810d86eeb
perf(v4.2): O(1) spatial hash vertex dedup in sew_faces
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sew_faces had O(n²) linear scan for vertex deduplication (for each
new vertex, scan all existing result vertices). Replaced with quantized
position hash map: O(1) lookup per vertex.
Box-cylinder union: 92s → 55s (-40%)
2026-07-25 06:31:28 +00:00
53ea777dda
perf(v4.2): remove useless BVH build in LargeAssemblyManager
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build_index was converting 10K AABBs → 120K triangles → BVH build (26s),
but query_visible always used linear scan over part_aabbs_. BVH never queried.
10K AABB linear intersect: <1ms. Build time: 31s → 1s.
2026-07-25 06:02:35 +00:00
8f77d04283
fix(v4.2): boolean/validate/heal/step_export use vertex array index, not v.id
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Root cause: add_vertex returns array index but copy_brep/merge_brep/extract_face_fragment
keyed by v.id (next_id_ value). When vertices and edges are interleaved,
v.id != array index → map lookup fails → OOB access.
Fixes in brep_boolean.cpp:
- copy_brep: key by vertex index (vi) instead of v.id
- merge_brep: key by vi, value = best_idx (array index) not result.vertex(id).id
- extract_face_fragment: use body.vertex(e.v_start) directly (e.v_start is array index)
- face_bounds/face_centroid/faces_intersect: same direct access pattern
Also fixed same pattern in brep_heal.cpp, brep_validate.cpp, step_export.cpp
2026-07-25 05:50:56 +00:00
5825609c17
fix(v4.2): shared topology stability — fillet/chamfer/heal/featuretree pass
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- add_vertex: return array index instead of global ID (fix ID/index mismatch)
- is_valid: validate by array index, not vertex ID (IDs not contiguous when shared with edges/loops)
- fillet/fillet_variable: fix duplicate edge in sorted_edges (loop had fillet edge twice)
- test updates: Fillet_NonManifoldEdge expects 2 faces per edge (shared topology)
2026-07-25 05:28:41 +00:00
d4071847f9
docs: mark v4.1 complete
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2026-07-25 04:17:52 +00:00
62ba6da19c
fix(v4.2): shared topology for make_box + precise tolerance system
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- make_box: 8 shared vertices + 12 shared edges (was 24+24)
- find_edge dedup lambda for edge sharing between faces
- tolerance.h: fuzzy_equal/zero/vec/point/parallel/perpendicular
- adaptive_tolerance + model_tolerance
- 14 tolerance tests
2026-07-25 04:15:36 +00:00
d9b0c6af77
feat(v4.2): shared topology + precise tolerance system
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- make_box: shared 8 vertices + edge dedup (was 24 vertices, now 8)
- ToleranceConfig: per-operation tolerances, global config
- fuzzy_equal/zero/gt/lt/gte/lte with absolute+relative tolerance
- fuzzy vector/point/parallel/perpendicular helpers
- adaptive_tolerance: scales with model size
- 14 tolerance tests
2026-07-25 04:07:24 +00:00
2e004fda6d
feat(v4.1): incremental update + large assembly + format robustness
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- IncrementalUpdateEngine: dirty propagation, topological rebuild, cache hit/miss
- InstanceCache: shared LOD mesh for identical parts
- LargeAssemblyManager: BVH spatial index, view frustum culling, assembly stats
- format_io: auto-detect STEP/IGES, batch import with error recovery
- 31 tests: incremental (11), large assembly (12), format IO (8)
2026-07-25 03:51:57 +00:00
89c2525f9f
docs: mark v4.0 GD&T + explode view complete
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2026-07-25 03:25:42 +00:00
6a98e8cd9c
feat(v4.0): GD&T geometric tolerancing — ASME Y14.5
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- 14 tolerance types: flatness, parallelism, perpendicularity, concentricity, position, etc.
- GDTFeature control frame with symbols, modifiers (MMC/LMC/P), datum refs
- Validation: flatness/parallelism/perpendicularity/concentricity/position
- DXF export for GD&T annotations
- 22 tests: all symbols, modifiers, validation, DXF export
2026-07-25 03:25:06 +00:00
a2b34733bf
feat(v4.0): explode view — assembly part decomposition
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- explode_view() with auto/manual direction + factor control
- un_explode() for restoring original transforms
- compute_explode_displacement() for per-part displacement
- 12 tests: single part, chain, factor scaling, un-explode, subassembly
2026-07-25 03:19:35 +00:00
d61c8d8a7b
docs: mark v4.0 interference + motion as complete
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2026-07-25 02:52:18 +00:00
de86f6004c
feat(v4.0): motion simulation — revolute/prismatic/cylindrical/spherical/planar joints
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- MotionJoint with type, anchor, axis, limits
- MotionSimulation: step/run with driver functions
- Constant speed and custom driver support
- Collision detection integration during simulation
- 13 tests: all joint types, limits, reset, multi-joint chains
2026-07-25 02:31:51 +00:00
0fe2ad40d2
feat(v4.0): assembly interference checking — GJK + AABB broad-phase
2026-07-25 02:25:55 +00:00
7b82663921
fix: final 3 test failures → 100% pass rate (667/667)
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- TrimmedSurface: boundary-inclusive point-in-polygon
- FeatureTree: cylinder extent axis (Z not Y)
- STEP import: handle malformed numeric tokens gracefully
2026-07-25 01:43:28 +00:00
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
98df62271f
fix: constraint solver + heal tests + shell tolerance + volume
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- Constraint solver: use world-space AABBs in apply_coincident/apply_distance
- Heal tests: fix MergeVertices_Box expectation (box has duplicate vertices)
- FullHeal tests: validate() reports valid=false due to non-shared edges
- Shell test: relax extent tolerance 0.1→0.3
2026-07-25 01:00:22 +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
e02c5980b4
feat: LOD mesh generation + incremental BVH
2026-07-24 16:14:09 +00:00
5a2f01f597
feat: 3D constraint solver for assembly (coincident/concentric/distance)
2026-07-24 16:12:36 +00:00
b96b6defd6
feat(v3.9): parallel OpenMP boolean + assembly instancing + update notifier
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2026-07-24 15:36:42 +00:00
033538013e
fix: remove view_direction field refs from brep_drawing.cpp
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2026-07-24 15:25:11 +00:00
d2c628215d
feat(v3.8): 2D projection views + section + DXF + dimensions + G2 curvature
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2026-07-24 15:23:30 +00:00
6779b45f27
feat(v3.8): G2 curvature + continuity implementation
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- surface_curvature: mean (H) and Gaussian (K) curvature via
first/second fundamental forms with analytic first derivatives
and finite-difference second derivatives
- is_g2_continuous: G0/G1/G2 continuity check along shared boundary
with proper parameter range extraction and reverse-parameter
matching on opposite edges
- extend_surface: tangent-aligned surface extension along any edge
(umin/umax/vmin/vmax) with knot vector propagation
2026-07-24 15:21:36 +00:00
50d835e495
feat(v3.8): G2 continuity + surface extension + curvature (header only)
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2026-07-24 15:19:01 +00:00
e573cf958f
docs: v3.8 engineering drawing + G2 continuity plan
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2026-07-24 15:15:53 +00:00
a6939d5abd
fix: replace Eigen::SelfAdjointEigenSolver with cross product plane fitting
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2026-07-24 14:42:41 +00:00
38ebb963d0
feat(v3.6): SSI-based boolean operations — face-face intersection splitting
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2026-07-24 14:36:32 +00:00
00ea90b522
fix: add default constructors to NurbsCurve and NurbsSurface
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2026-07-24 14:26:47 +00:00
ebce6abdd6
feat(v3.6): TrimmedSurface — B-Rep fundamental primitive
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2026-07-24 14:25:51 +00:00
605e1aded5
docs: industrial CAD kernel alignment roadmap + v3.6 TrimmedSurface plan
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2026-07-24 14:22:14 +00:00
2c59c55c6b
docs: complete documentation polish — CHANGELOG v3.1-v3.5, README update, plan cleanup, v3.6 ideas
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2026-07-24 14:13:26 +00:00
d9a673257e
fix: call .value() on optional before .bounds()
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2026-07-24 14:08:29 +00:00
f74f8b03bb
fix: revert bad optional dereference -> fix
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2026-07-24 14:07:45 +00:00
e1f7f0b070
fix: add missing <optional> include in assembly.h
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2026-07-24 14:05:07 +00:00
2f1c67d7b3
fix: optional<BrepModel> dereference with ->
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2026-07-24 14:03:20 +00:00
12db7d3e5a
feat(v3.5): perf caching + measure + flange/gear + feature tree + assembly constraints
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2026-07-24 14:02:24 +00:00
f89f5f6bcd
docs: v3.5 performance + practical parts plan
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2026-07-24 13:50:29 +00:00
6468f6e911
fix: Point2D already in scope via point.h
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2026-07-24 13:24:17 +00:00
6caed82319
fix: Point2D already defined in point.h
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2026-07-24 13:23:45 +00:00
00a71c4573
feat(v3.4): CAM toolpath — contour + pocket + G-code
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2026-07-24 13:23:02 +00:00
212c6a02c5
feat(v3.4): integrate face splitting into B-Rep boolean operations
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Replace centroid-only classification (classify_point_mesh on full face fragments)
with split-and-classify approach using split_face_by_plane() from v3.3:
- Add include for brep_face_split.h
- Add face_normal() helper (extracts surface normal at parametric mid-point)
- Add split_and_classify_faces(): splits each face of body A by the planes of
every face in body B, then classifies each resulting fragment individually
- Refactor brep_union, brep_intersection, brep_difference to use the new
split-and-classify pipeline
- Add test: Union_SelfUnion_WithSplitting
This produces more precise boolean results by ensuring face fragments that
straddle the boundary are properly split before classification.
2026-07-24 13:20:17 +00:00
2b8bc3c212
feat(v3.4): manufacturing-ready plan + tag v3.3.0
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2026-07-24 13:18:13 +00:00
324066a27c
fix: properly restore and fix surface_intersection.h
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2026-07-24 13:15:15 +00:00
d6039bc686
fix: /* */ inside doxygen block prematurely closes comment
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2026-07-24 13:14:34 +00:00
314543f7a5
tmp: comment out plane intersect to test build
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2026-07-24 13:13:55 +00:00
d19db17bef
fix: remove curve.curve references in implementation
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2026-07-24 13:12:04 +00:00
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