The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 23, 2016
Filed:
Mar. 14, 2013
Applicant:
Autodesk, Inc., San Rafael, CA (US);
Inventors:
Martin Cvetanov Marinov, Cambridge, GB;
Adam Helps, Spanish Fork, UT (US);
Gordon Thomas Finnigan, Cambridge, GB;
Thomas Warren Sederberg, Orem, UT (US);
Xin Li, Hefei, CN;
Assignee:
Autodesk, Inc., San Rafael, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06T 17/20 (2006.01); G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
G06T 17/205 (2013.01); G06F 17/5018 (2013.01);
Abstract
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for constructing a trim-free T-spline surface and control mesh for a NURBS surface control grid of a B-rep face; modifying the trim-free T-spline control mesh to align the trim-free T-spline surface boundary with a functional trimming curve; and redefining one or more faces in the modified trim-free T-spline control mesh that is adjacent to the trimming curve as a variable knot spline face.