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:
Jul. 12, 2005
Filed:
Aug. 14, 2001
Xiangheng Yang, Glenview, IL (US);
Xiangheng Yang, Glenview, IL (US);
Navteq North America, LLC, Chicago, IL (US);
Abstract
A method for determining a polygonal intersection of a first polygon and a second polygon. An intersection of the boundary of the first polygon with the boundary of the second polygon is located by finding a point from which at least three portions of boundaries extend. From this point, a first portion of the boundary of the polygonal intersection is determined by identifying a portion of the boundary of the first polygon that is located inside the second polygon. Each subsequent portion of the boundary of the polygonal intersection is determined by selecting that portion of the boundary of either the first polygon or the second polygon that (1) connects to a leading end of a current portion of the boundary of the polygonal intersection and (2) forms the least angle with the current portion of the boundary of the polygonal intersection.