July 2002
Intermediate to advanced
432 pages
18h 48m
English
book
Level of Detail for 3D Graphics
by David Luebke, Martin Reddy, Jonathan D. Cohen, Amitabh Varshney, Benjamin Watson, Robert Huebner
Content preview from Level of Detail for 3D Graphics
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5.3 Quadric Error Metrics 133
topology using edge collapse and vertex split operations allows the algorithm to re-
duce a mesh to any desired number of triangles, regardless of the initial genus or any
nonmanifold degeneracies that may be present. One disadvantage of the algorithm is
that it contains no provision for joining meshes. As a result, fidelity may suffer when
performing drastic simplification of a collection of small objects. The decimation al-
gorithm will simply delete the objects one by one rather than merging them into a
single, large LOD.
5.3
QUADRIC ERROR METRICS
This algorithm, published in 1997 by Michael Garland ...
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