它一般生成一个实时的三维尺度空间系统来展现三维景观模型，从而产生逼真的“虚拟环境”效果。
It generates a general measure space system of real-time to execute 3d landscape models and to produce a realistic "virtual environment" results.
在保证DEM重要区域精度的条件下，加快了计算机绘制三维景观模型的速度，满足了三维可视化实时交互的需求。
Under the conditions prescribed by guaranteeing dem important area precision quickening the computer to render 3d sight model and satisfy 3d Visualization demand in real-time and interactive manner.
提出了纹理库和模型库的思想，确立了城市景观建筑物三维重建的整体思路。
The idea of texture lab and model lab and the unitary thought of city landscape's 3D reconstruction were put forward.
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