Hierarchical data structures for surface elements
US6580425B1 · kind B1 · utility
12Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2000 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Feb 28, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T17/005
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In a method for representing a graphic object, rays are cast through the object. The rays originate at orthogonal planes surrounding the object. The surface of the object is sampled for shape and shade attributes at points where the rays intersect the surface. The sampled shape and shade attributes of each sampled point are stored in an octree stored in the memory.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.