27 of 1,681 Voxels Flipped Inside Out — Ray Parity and Link Cutting in STL Voxelization
·10 min read
Turning an STL into an LBM voxel grid takes four stages: octree culling, SAT overlap tests, ray parity, and the per-link cut fraction q, verified in code.
The Mesher That Dies Defending Your Boundary — Constrained Delaunay and Steiner Points
·9 min read
Why tetgen collapses on 8.5% of valid models, and how segment and facet recovery works
Two Philosophies for Triangulating a Point Cloud — Bowyer–Watson and Advancing Front
·7 min read
Reproducing the two pillars of unstructured mesh generation, Delaunay and AFT, in code
Delaunay Triangulation — the Empty-Circumcircle Rule and Bowyer–Watson Insertion
·6 min read
Why an unstructured mesh repairs itself when you drop in one point