Navigation system for outputting a three-dimensional roof structure and generating a database
US9568332B2 · kind B2 · utility
1Cited by
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22Claims
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Key dates
| Filing date | Apr 3, 2012 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Jul 2, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/05
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A navigation system has a database storing data for reconstructing three-dimensional roof structures. The data includes information on edges of at least one closed polygon and a type identifier respectively stored in the database for each one of the edges. Each one of the type identifiers is respectively selected from a finite set of type identifiers. Plural planar faces are generated to reconstruct the roof structure. The planar faces are respectively determined such that they pass through an edge of the polygon and have an orientation determined based on the type identifier stored for the edge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.