digital terrain model

Inter-Visibility Algorithms on TIN Digital Terrain Model

TIN数字地形模型的通视性算法

Establishment of digital terrain model of GIS and its application

GIS数字地形模型的建立及应用研究

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 development and application of the foreshore digital terrain model

滩涂数字地形模型的建模与应用

Irregular Grid Digital Terrain Model Neted by Regular Net

规则格网覆盖的非规则布点数字地形模型

The previous three-dimensional geological maps are the expansion of the two-dimensional digital geological map in Z-axis on the use of digital terrain model ( DEM), And then with Digital Orthophoto ( DOM) overlay, which formed the so-called "2.5D" model.

以往的立体地质图多是利用数字地形模型（DEM）对二维数字地质图进行了Z轴方向的拓展，然后再与数字正射影像（DOM）进行套合，形成了所谓的2.5维模型。

Digital terrain model are widely used for simulation.

其中广泛使用的就有三维数字地形模型的模拟。

As an important basis of modernization of railway route design, if the digital terrain model can not be very well applied in practical engineering, CAD in railway route is difficultly broken through, and the technologies of route survey and design are also hard to be improved.

数字地面模型作为线路设计现代化的重要基础，如果不能很好地应用于实际工程，那么线路CAD技术也难以有新的突破，线路勘测设计技术也难以提高。

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.

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.

The Modeling Example of 3D Terrain Digital Elevation Model on GIS

基于GIS三维地形的数字高程模型建模实例

This paper discussed digital terrain model ( DTM ).

论述了地面数字模型DTM(Digitalterrainmodel ).

The concept of dynamic digital terrain model ( DDTM) is proposed.

提出建立动态数字地形模型的概念。

Autodesk Civil 3D as software platform, will use memory mapping technology, the memory pool, triangulation technology and data rendering technology to achieve three-dimensional digital terrain model.

以Autodesk Civil3D为基础软件平台，具体将采用内存映射文件技术、内存池技术、三角剖分技术、数据渲染技术等来实现三维数字地形模型。

By introducing the Digital Terrain Model ( DTM) to computer aided subgrade design ( subgrade CAD) system, the problem about how to design the drainage facilities by computer automatically can ho solved effectively.

将数字地形模型引入路基设计CAD中，可有效地解决路基排水设施的设置等关键问题；

The Construction of Seafloor Digital Terrain Model Based on Multibeam Soundings

多波束测深海底数字地形模型的建立

Application of Digital Terrain Model to Takin Habitat Analysis and Assessment in the North Gaoligong Mountain

高黎贡山北段羚牛生境DTM数据分析与评价应用

The Digital Terrain Model Establishment of Lianyungang Channel by using GIS

面向GIS的连云港市航道数字地形模型建设

A new method for digital terrain model automatical aquisition& radiative propagation method

数字地形模型自动获取的一种新方案&辐射法

In this paper, we discuss a method based on inverse distance weighted ( IDW) algorithm to construct seafloor digital terrain model ( DTM) using multi-beam soundings, and the application of level of details ( LOD) technology.

针对多波束测深数据集，采用改进的距离反比权重算法和多细节层次模型技术来建立海底数字地形模型（DTM）。

The principles and approaches for building Digital Terrain Model ( DTM) of GIS are presented. The test generates Digital Elevation Model ( DEM) with the distance weighted average interpolation of shifting imitation for dispersed elevation points.

介绍了GIS数字地形模型（DTM）的构造原理和方法，用离散点移动拟合距离加权平均插值方法生成了GIS数字高程模型（DEM）。

Establishment of digital terrain model subsystem in resource information system

资源信息系统中数字地形模型子系统的建立

A Data Structure For Large Strip Digital Terrain Model

一种大型带状数字地形模型数据结构

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.

This paper discussed digital terrain model ( DTM ).

论述了地面数字模型DTM(Digitalterrainmodel ).

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。

Regular grid, as one common description method of the digital terrain model, is widely used in many fields.

规则格网（Grid）是数字地形模型（DTM）最常用的表示方法，有着广泛的应用。

To generate regular grid digital terrain model ( DTM) from scattered points, the key problem is to improve the efficiency of searching neighbor points.

从离散点内插规则格网数字地形模型（DTM）方法的关键是如何提高待插点周围数据的搜索效率。

Terrain modeling study based on the triangular grid digital elevation model

基于三角形网格的数字高程模型地形建模研究

Research of Terrain Simplification Technology Based on Digital Elevation Model

DEM地形简化技术研究