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Mesh Basics

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Manifolds with/without Boundary<br />

If every vertex has a closed fan, the given<br />

manifold has no boundary. Edges only incident<br />

to one face form the boundary of the manifold.<br />

Boundary yis a union of simple polygons.<br />

We only consider orientable manifolds<br />

without boundary in this course.<br />

closed fan<br />

open fan<br />

manifold boundary<br />

boundary<br />

non-manifold boundary<br />

5

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