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.

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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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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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