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1)  three Dimensional City Model(3DCM)
3维城市模型(3DCM)
2)  3D city
3维城市
1.
This paper discusses the issues of 3D city data management,and studies partitioning management,dynamic distribution and quick display of 3D city model big scene and large volume data,proposes the scheme to realize 3D city visualization and dynamic roam using the Supernatural GIS software.
探讨了3维城市数据管理的有关问题,基于3维GIS软件Supernatural GIS研究了3维城市模型大场景海量数据的分区管理、动态调度和快速显示问题,提出了应用Supernatural GIS实现城市3维可视化及大范围城市景观动态漫游的解决方案。
2.
With the deep discussion on the concept of Digital Earth and Digital City,the production of 3D city model data becomes the focus of new technology in digital surveying and mapping as the basic and key technique in Digital City.
随着“数字地球”、“数字城市”概念的不断深化,作为“数字城市”最基础、最关键的技术,3维城市模型数据的制作已经成为数字化测绘的新技术亮点。
3.
Parallel building is the popular kind in 3D city.
平行结构建筑是3维城市中建筑的主体,随着建筑风格的多元化,非平行结构建筑所占的比重越来越大,因此必须对其多尺度表达的方法进行研究。
3)  true 3D urban model
真三维城市模型
1.
Analysis on the true 3D urban model building of the Qinhuangdao city;
浅析秦皇岛市真三维城市模型的建立
4)  three-dimensional city model
三维城市模型
1.
This paper introduces the main factors and data contents of three-dimensional city model,and probes into some methods for acquiring the geographic data form aspects of the DEM data acquisition,the ground texture data acquisition,the architecture data acquisition and other data acquisition.
介绍了三维城市模型的要素和数据内容,并从DEM数据获取、地面纹理数据获取、建筑物的数据获取和其他数据获取等方面探讨了获取地理数据的方法。
2.
A three-dimensional city model with the ability of management and manipulation should be established in order to manage and organize 3d data in large quantity.
随着GIS的迅速发展,对城市环境中各种三维信息的表达与处理变得日益迫切,需要建立富有管理机能和操作机制的三维城市模型系统来对大批量三维数据进行管理和组织。
5)  3D city model
三维城市模型
1.
On the realization of 3D city model;
浅谈三维城市模型的实现
2.
3D City Model Realization and Applies in "Digital Quancheng";
三维城市模型在“数字泉城”中的实现和应用
3.
Quality Control of 3D City Model Data;
三维城市模型的数据质量控制
6)  3DCM
三维城市模型
1.
Ideas of research on 3DCM aided spatial decision-making supporting;
三维城市模型辅助空间决策支持的研究思路
2.
During several years research and application,3DCM has been widely used in traffic,surveying,especially in urban planning and construction,and has had effect.
三维城市模型(3DCM,3 Dimensional City Model)经过多年的研究和应用,已经在交通、勘察、测绘,特别是城市规划、建设等方面得到广泛应用,并发挥了一定的作用。
3.
The research of 3DCM is becoming the internal and abroad hotspot As for 3DCM, it currently is short of a uniform and selfcontained data model Taking model of 3D urban building visualization as an example, a 3D date model of building based on current model file is built Finally, the correctness and efficiency of the model are testified by an exampl
三维城市模型 ( 3DCM)的研究是近年来 GIS领域内的一个研究热点 ,在交通、地质、矿山、城市测绘、环保等方面有着十分重要的研究意义。
补充资料:二维模型
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性质:对研究对象建立数学模型时,如果过程为定态的,各变量将不随时间而变。此时,如果设备是轴对称的,并考虑径向的变量变化,则变量的变化是二维的。在此基础上建立的数学模型称为二维模型。二维模型较一维模型更完备,但同时必将引入了较多的模型参数,并增加了计算的复杂性。因此采用二维模型的必要性使用前必须充分考虑

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