RASTeR: Simple and Efficient Terrain Rendering on the GPU

Bösch, Jonas; Goswami, Prashant; Pajarola, Renato

RASTeR: Simple and Efficient Terrain Rendering on the GPU

Files

035-042.pdf (254.01 KB)

raster_small.mov (19.3 MB)

Date

2009

Authors

Bösch, Jonas
Goswami, Prashant
Pajarola, Renato

Publisher

The Eurographics Association

Abstract

This paper introduces RASTeR, a GPU based LOD technique for interactive rendering of large terrains based on a paired multi-resolution tree structure. Our approach uses regular height-data blocks and terrain independent triangle patches, which are used to efficiently subdivide the terrain data. At run time, continuous LODs can simply be generated by tiling a limited set of triangle patches, the indices to which are pre-computed, over height-field blocks, thereby minimizing the amount of data to be transferred to the graphics card. RASTeR maintains a constant frame rate through asynchronous and a priori fetching of raw or compressed elevation and texture data. The efficiency of our method is validated by presenting experimental results on large elevation models.

        @inproceedings{10.2312:ega.20091006
,
booktitle = {Eurographics 2009 - Areas Papers
},
editor = {D. Ebert and J. Krüger
},
title = {{RASTeR: Simple and Efficient Terrain Rendering on the GPU
}},
author = {Bösch, Jonas and 
Goswami, Prashant and 
Pajarola, Renato
},
year = {2009
},
publisher = {The Eurographics Association
},
ISBN = {},
DOI = {10.2312/ega.20091006
}
}