Dynamic light shading in terrain rendering applications

Details Dynamic light shading in terrain rendering applications Dynamic light shading in terrain rendering applications

2007-01-25

2011-10-04

Tung, Kee M (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S601000, C345S602000, C345S614000

Reexamination Certificate

active

08031193

ABSTRACT:
In some embodiments, a method for high-performance terrain rendering may include one or more of the following steps: (a) obtaining elevation data, (b) determining slope of a terrain surface, (c) selecting a shading model to apply to the terrain surface based upon the slope of the terrain surface, (d) determining if a vehicle's heading has changed, and (e) aligning the shading model index based upon current heading.

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patent: 2002/0101419 (2002-08-01), Cook
patent: 2007/0018980 (2007-01-01), Berteig et al.

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