Generation of free-form surface model by reversible rounding operation
US6867769B1 · kind B1 · utility
9Cited by
2References
16Claims
0Family size
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Key dates
| Filing date | Mar 16, 2000 |
| Grant date | Mar 15, 2005 |
| Priority date | — |
| Expiry date | Mar 16, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of generating a free-form surface model includes the steps of applying linear transformation to a lattice polygon model to generate vertices of a free-form surface model corresponding to respective vertices of the lattice polygon model, and generating control points of cubic Bezier curves that connect the vertices of the free-form surface model, and that correspond to respective edges of the lattice polygon model.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.