Sharp mesh export with Dual Contouring, QEM simplification, and octree acceleration#42

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kmatzen merged 11 commits intomainfrom

sharp-mesh-export

Apr 18, 2026

Commits on Apr 18, 2026

Sharp mesh export with bisection, QEF, surface projection, and QEM simplification

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Fix simplifier performance: string edge keys, reduced heap churn, resolution 256

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Fix overlapping faces in QEM simplifier

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Reject edge collapses that flip triangles or create slivers

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Split vertices at crease edges for crisp normals

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Fix QEF: use mesh-topology face normals, remove broken surface projection

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Replace marching cubes with Dual Contouring for exports

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Add export progress indicator

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Round progress percentage and report from all stages

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Octree-accelerated SDF grid evaluation

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Cache edge crossings in Dual Contouring

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