Determining a geometric error of a polygon in a subdivision...

Details Determining a geometric error of a polygon in a subdivision... Determining a geometric error of a polygon in a subdivision...

2006-05-30

2006-05-30

Rodriquez, Paul L. (Department: 2123)

Data processing: structural design, modeling, simulation, and em

Modeling by mathematical expression

C382S243000, C358S001900, C345S419000

Reexamination Certificate

active

07054796

ABSTRACT:
Determining a geometric error of a polygon in a subdivision surface includes obtaining a value that corresponds to an angular difference between a face vector normal to a face of the polygon and a vertex vector normal to a vertex of the polygon, determining a geometric error associated with the vertex based on the value and the face vector, and calculating the geometric error of the polygon using the geometric error associated with the vertex.

REFERENCES:
Zorin-D et al., “Subdivision for Modeling and Animation” ACM SIGGRAPH 98 Course Notes (1998), p. 1-112.
Junkins-S et al., “Subdividing Reality—Employing Subdivision Surfaces for Real-time Scalable 3D” Intel Labs , Intel Corporation Jun. 2000 p. 1-15.
3D Modeling and Rendering—IT papers. search results for 1999,2000. p. 3 of 6.

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