Geospecific rendering of alpine terrain

Premoze, Simon; Thompson, William B.; Shirley, Peter

Geospecific rendering of alpine terrain

Files

107-118.pdf (1.71 MB)

Date

1999

Authors

Premoze, Simon
Thompson, William B.
Shirley, Peter

Publisher

The Eurographics Association

Abstract

Realistic rendering of outdoor terrain requires both that the geometry of the environment be modeled accurately and that appropriate texturing be laid down on top of that geometry. While elevation data is widely available for much of the world and many methods exist for converting this data to forms suitable for graphics systems, we have much less experience with patterning the resulting surface. This paper describes an approach for using panchromatic (grayscale) aerial imagery to produce color views of alpine scenes. The method is able to remove shading and shadowing effects in the original image so that shading and shadowing appropriate to variable times of day can be added. Seasonal snow cover can be added in a physically plausible manner. Finally, 3 D instancing of trees and brush can be added in locations consistent with the imagery, significantly improving the visual quality.

        @inproceedings{:10.2312/EGWR/EGWR99/107-118
,
booktitle = {Eurographics Workshop on Rendering
},
editor = {Dani Lischinski and Greg Ward Larson
},
title = {{Geospecific rendering of alpine terrain
}},
author = {Premoze, Simon and 
Thompson, William B. and 
Shirley, Peter
},
year = {1999
},
publisher = {The Eurographics Association
},
ISSN = {1727-3463
},
ISBN = {3-211-83382-X
},
DOI = {/10.2312/EGWR/EGWR99/107-118
}
}