而在虚拟城市的构建中，城市景观模型的建立与三维可视化更是其基础核心技术。
And the city scene model and 3d visualization are the central technology in the processing of constructing the virtual city.
以四川资阳场景为试验区域，设计了支持城市概念设计的虚拟城市系统，并构建了虚拟城市景观模型库。
The virtual city system facing the urban conception design can preview the configuration character with realistic virtual scene, which can help the urban designer estimate the design ideology.
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.
建立城市景观设计方案竞争力评价模型，为合理选择城市景观设计方案提供依据。
An evaluation model for the competitiveness of urban landscape design scheme should be established to provide a basis for the reasonable selection of a urban landscape design scheme.
在对城市景观主要建模对象进行分类的基础上，建立了三维空间数据结构，实现了地形和地物模型三维重建的系列算法。
Based on the classification of the primary modeling objects in the city scene, we separately rebuild the model of the terrain and objects according to the 3d spatial data structure.
将景观类型和哈尔滨市数字高程模型（DEM）相叠加，更加直观地反映了哈尔滨城市郊的景观类型和景观格局；
The landscape types and patterns were directly reflected by the overlay of the landscape types and the DEM of Harbin.
而城市三维景观重建的核心内容是景观模型的建立，其中包括地貌模型、地物模型的建立。
The core of the 3d reconstruction of the city landscape modeling, including the landform modeling and geographical object modeling.
而城市三维景观重建的核心内容是景观模型的建立，其中包括地貌模型、地物模型的建立。
The core of the 3d reconstruction of the city landscape modeling, including the landform modeling and geographical object modeling.
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