您要查找的是不是：
- the terrain modeling and rendering with 3D terrain software Bryce. 研究了三维地形软件Bryce进行地形建模以及渲染的方法；
- 3D terrain modeling 三维地形建模
- This paper discussed digital terrain model (DTM) . 论述了地面数字模型DTM(Digital terrain model).
- A method is presented to implement real-time 3D road animation coupled with road design data and digital terrain model(DTM). 研究了一种用数字地面模型和公路设计数据实现实时三维动画的方法。
- The system can do some operations including alternant planning the railway in the 3D terrain landscape,3D modeling,budgeting the count of evolution,querying the information of the railway,outputting of AVI. 该系统实现了在三维地形景观中进行交互式的铁路选线设计，并能对设计出的铁路线进行三维建模、挖方量预算、信息查询以及三维场景的AVI动画文件输出。
- Digital Terrain Modeling (DTM) is an important utility of GIS. 数字地形模型是GIS的一个重要应用。
- This study use OpenGL to realize 3D terrain visualization to help read Terrain forest resource map. 如果在资源管理系统中增加地形三维显示功能，那么对地形林相图的应用是非常有帮助的，本文以ArcView导出的高程值为数据源，应用OpenGL实现了地形的三维显示。
- Based on them, a system of interactive 3D terrain building was designed and implemented based on VRML. 以此为基础，设计并实现了一个基于VRML的交互式三维地形生成系统。
- A novel 3D terrain matching method based on 3D Zernike moments is presented in this paper. 提出了一种基于面特征的三维地形匹配算法。
- A study of IDL application in the visualization of 3D terrain[J].Journal of Jilin University:Earth Science Edition, 2003,33:91-95. IDL在三维地形可视化中的应用研究[J].;吉林大学学报:地球科学版;2003;33:91-95
- Using C++ language and OpenGL Graphic Library to implement the algorithm of 3D terrain analysis and terrain visualization, and this algorithm has become part of vega3DGIS. 使用C++语言和OpenGL图形库编写了有关三维地形分析，三维地形可视化的算法，并为Vega3DGIS所采纳。
- The visualization researchof 3D terrain & landforms is an important part of geographic information system (GIS), digital photography (DP) and remote system (RS). 三维地形地貌的可视化是地理信息系统、数字摄影测量(DP)和遥感系统(RS)的重要研究内容。
- The DED data is got from IMAGE2DED conversion and is used in terrain modeling with the method of Delaunay. 通过Image2DED转换得到三维地形数组的数字高程数据信息,对该信息使用Delaunay法,生成对应三维地形数据的地形模型。
- Image matching is the key stage for Digital Terrain Model(DTM) automatical aquisition using with digital images. 利用数字影像自动提取数字地形模型(DTM)的关键是影像匹配。
- The constrained digital terrain model is displayed in AutoCAD which is developed by VC++6.0 and ARX. 通过使用VC++6.;0和ARX开发工具;在AutoCAD环境下实现了约束DTM的建立和显示。
- Digital terrain model (DTM) is an important component of a resource information system. 数字地形模型(DTM)是资源信息系统中的重要组成部分。
- Based on the research above, a large-scale 3D terrain walkthrough system is designed and implemented based on the above content, which well validates the rapid rendering technique"s effect. 基于以上研究内容，设计并实现了一个三维地形漫游系统，使得本文提出的快速绘制方法的有效性得到了很好的验证。
- Firstlythe digital terrain model is constructed using Delaunay triangulation technique, and then the road design data is merged into the DTM. 首先利用Delauany三角化方法构造数字地面模型,然后将公路设计数据与数字地面模型进行叠加。
- In this paper the methods and experiments for applying the digital terrain model(DTM) to improve the classification accuracy are introduced. 本文着重介绍在遥感影象分类中应用数字地面模型(DTM)改正地物反射光谱中地形影响的方法和试验。
- Airborne 3D imager which integrates global positioning system, attitude measurement unit, scanning laser range finder and spectral imager can produce geo-referenced image and digital terrain models (DTM) without ground control points. 机载三维成像仪是集成了全球定位系统 (GPS)、姿态测量装置、激光测距仪和光谱成像仪的新一代航空遥感系统 ,它能直接得到地学编码影像和数字地面模型 (DTM) ,而无需地面控制点。
