 茂之钳
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4a32633482
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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.
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2026-07-24 13:07:45 +00:00 |
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