本文主要对大规模地形数据(基于规则格网数字高程模型)的组织与可视化进行研究。
In this paper, study on organization and visualization of the massive terrain dataset mainly on Regular Square Grid data format are discussed.
同时充分利用GPU的渲染功能，提高可视化的真实感和实时漫游的速率，实现了大规模三维地形的实时漫游。
Using the GPU rendering functions, improving the visual realism and real-time roaming rates, a large-scale 3d real-time terrain roaming is performed.
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