DTM Digital Terrain Model

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 Visualization of DTM ( Digital Terrain Model) is the main research content of GIS ( Geographic Information System)> RS ( Remote Sensing) and DP ( Digital Photogrammetry), it has very important value in economic and military.

数字地面模型的可视化是地理信息系统（GIS）、遥感（RS）和数字摄影测量（DP）的重要研究内容，它具有重要的经济和军事应用价值。

Through the analysis of the four methods of the DTM ( Digital Terrain Model) Modeling, we select the TIN ( Triangulated Irregular Network) method to build up the model of scattered data.

通过对常用的4种DTM（Digital Terrain model）建模方法进行分析，选取不规则三角网方法对离散数据进行建模。

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.

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；

This paper discussed digital terrain model ( DTM ).

论述了地面数字模型DTM(Digitalterrainmodel ).

In this paper, two methods are proposed for generating and displaying DTM ( Digital Terrain Model) picture and 3-D remote sensing image by using computer graphics and digital image processing techniques.

采用计算机图形学和数字图像处理相结合的方法，提出两种产生和显示数字地形模型（DTM）和立体遥感图的方法。