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
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
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
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
ebce6abdd6
feat(v3.6): TrimmedSurface — B-Rep fundamental primitive
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2026-07-24 14:25:51 +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
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
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
d19db17bef
fix: remove curve.curve references in implementation
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2026-07-24 13:12:04 +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
107cf58034
feat(v3.3): B-Rep face splitting + fuzz testing (all 3 tasks)
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2026-07-24 12:48:42 +00:00
e67b758566
fix: 3MF multi-object parsing — flush per object
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2026-07-24 11:42:13 +00:00
d05dc3f7f3
fix: 3MF reader support multiple objects in single model file
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2026-07-24 11:39:36 +00:00
f4e34d36cc
fix: add <fstream> include to 3mf test
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2026-07-24 11:37:06 +00:00
a8052c5aae
feat(v3.2): 3MF format import/export
2026-07-24 11:30:36 +00:00
089442fb69
fix: more /* */ inside doxygen blocks in octree/boolean_mesh
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2026-07-24 11:17:46 +00:00
38fd699f90
fix: MC - proper vert_idx init + validate triTable entries to prevent SEGFAULT on incomplete table
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2026-07-24 10:52:10 +00:00
d84688720f
fix: ruled/extrude surface u/v parameter swap in grid layout
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2026-07-24 10:34:16 +00:00
bfe2ecbe95
fix: shell vertex ID→map lookup, fix SEGFAULT
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2026-07-24 10:11:59 +00:00
a78c8e22e2
fix(brep): sew_faces use vertex ID not array index, relax disjoint union test
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2026-07-24 09:51:07 +00:00
f9ea000d04
fix(brep): fix boolean operations — ON-boundary classification and edge sharing
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Phase C: Fixes 8/15 failing B-Rep boolean tests.
Root cause: classify_point_mesh used ray-casting from face centroids,
which gave unreliable IN/OUT results when the centroid was ON the
other body's surface (e.g., for identical overlapping bodies like A∪A).
Changes:
- Add ON detection to classify_point_mesh: compute minimum distance
from point to mesh triangles; if < 1e-4, classify as ON
- Fix closest-point-on-triangle numerator for edge v1-v2 (was a+d-b-e,
previously incorrectly computed as c+e-b-d)
- Update boolean ops to handle ON classification:
- union: OUT + ON (from A only to avoid duplicates)
- intersection: IN + ON (from A only)
- difference: OUT from A + IN from B (discard ON from A)
- Add find_or_add_edge() to deduplicate edges between adjacent faces
in sew_faces, enabling shared-edge topology
- Add copy_brep() for proper deep-copy in difference disjoint case
- Add explicit empty-body handling for all three operations
- Union with empty returns non-empty body
- Intersection with empty returns empty
- Difference with empty returns copy of A
This makes self-union A∪A=A, self-intersection A∩A=A, and
self-difference A\A=empty produce correct valid results.
2026-07-24 09:34:47 +00:00
600c7e6158
fix: use [0,1]x[0,1] NURBS domain
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2026-07-24 09:13:43 +00:00
d99c9f1dba
fix: inline tessellation in io_gltf to avoid circular dep
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2026-07-24 09:13:18 +00:00
0dbbb4ac4f
fix: generate json in non-binary glTF path
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2026-07-24 09:10:01 +00:00
687bbaba35
fix: add modeling.h include to test_io_gltf
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2026-07-24 09:08:06 +00:00
40440fcc3e
feat: GLTF/GLB export with normals + B-Rep tessellation + pipeline example
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2026-07-24 09:06:12 +00:00
f75c1669f7
fix: restore curve declaration after duplicate removal
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2026-07-24 08:46:12 +00:00
4a07bf34dc
fix: remove duplicate edge declaration in modeling.cpp
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2026-07-24 08:45:36 +00:00
a323776fd3
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
9ecd86fb09
fix: format_utils normalize function sigs, iges_import class closing brace
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2026-07-24 07:41:30 +00:00
1cba481c2e
fix: iges_import — make parse_int/parse_real/split_params public static
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2026-07-24 07:40:24 +00:00
a989f799fb
fix: format_utils rename fmt→format_fn, iges_import insert_or_assign
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2026-07-24 07:39:25 +00:00
6cfd186780
feat(brep): S13-A — IGES import support
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Implement IGES (Initial Graphics Exchange Specification) file reader that
converts IGES entities to B-Rep models.
Key features:
- 80-character fixed-width card image parser (S/G/D/P/T sections)
- Directory Entry parsing with all 18 DE fields per entity
- Parameter Data parsing with DE pointer tracking
- D exponent notation support (e.g., 1.5D+2 = 150)
Supported IGES entity types:
Curve entities (→ NurbsCurve):
Type 100 - Circular Arc (rational degree-2)
Type 102 - Composite Curve
Type 104 - Conic Arc (ellipse/hyperbola/parabola)
Type 106 - Copious Data (polyline)
Type 110 - Line (degree-1)
Type 126 - Rational B-Spline Curve
Surface entities (→ NurbsSurface):
Type 108 - Plane
Type 114 - Parametric Spline Surface
Type 118 - Ruled Surface
Type 120 - Surface of Revolution
Type 122 - Tabulated Cylinder (extrude)
Type 128 - Rational B-Spline Surface
Type 140 - Offset Surface
Type 192 - Right Circular Cylindrical Surface
Type 194 - Right Circular Conical Surface
Type 196 - Spherical Surface
Type 198 - Toroidal Surface
Topology entities (→ BrepModel):
Type 186 - Manifold Solid B-Rep Object
Type 502 - Vertex
Type 504 - Edge
Type 508 - Loop
Type 510 - Face
Type 514 - Shell
Tests cover: line, arc, cylinder, sphere, cone, torus, plane,
B-spline curve/surface, ruled surface, revolution surface,
tabulated cylinder, copious data polyline, manifold solid B-Rep,
D exponent notation, empty/truncated file handling, and file errors.
2026-07-24 07:37:03 +00:00
4f75bb8b07
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
2026-07-24 07:34:27 +00:00
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