Method and system for computing a transverse derivative field along a curve on a surface
US6917361B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 19, 2002 |
| Grant date | Jul 12, 2005 |
| Priority date | — |
| Expiry date | Mar 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one embodiment of the invention, a computerized method for computing a transversal derivative field along a curve on a surface includes receiving data defining the surface, the surface represented in terms of parameters u and v as S(u,v), and receiving data defining the curve, the curve represented in terms of a parameter t as c(t). The method also includes receiving a number equal to N constraint conditions for the derivative field, wherein N is a positive integer and determining the transversal derivative L(t) field according to the formula where i is an index identifying a particular one of N numbers of constraint conditions and L(ti) is the value of the transversal derivative field at the ith constraint condition and w is a scalar function of u and v that satisfies
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.