Then the method of 3-d terrain modeling based on regular grid is studied.
然后研究了基于规则格网的三维地形建模方法。
In the basic grid, regular grid can be divided with fixed length and width.
在基本网格的基础上，以固定的长宽进行规则网格的划分。
Regular Grid is the commonly used expression method of DTM , and has the widespread use.
规则格网是数字地面模型最常用的表示方法，有着广泛的应用。
Firstly, points are indexed by the regular grid, and it is shown how to calculate grid size.
首先，采用规则格网索引地面采样点，并推导了计算格网尺寸的经验公式。
Traditionally 3d models have been made from data describing information on a regular grid, like the grid of pixels on a monitor.
传统的3d模型像显示器中的像素网格一样，是在规则的网格中由描述信息的数据所构成。
Using regular grid for discretization results in diffraction noise for dip interface, and infilling grid may increase the computing efforts.
采用规则网格进行离散，对于倾斜界面无法避免绕射噪声，若加密网格又过度增加工作量。
At present, holes generating in topology optimization is mostly irregular geometric. However fuselage keel structure is generally regular grid.
目前，连续体拓扑优化形成的孔洞多为不规则形状，而飞机机身龙骨结构多为规则栅格状。
For the sake of realizing some special functions in spatial analysis of GIS, it is necessary to covert irregular vector polygon into regular grid.
在实际的GIS空间分析过程中，为了更加简便快捷的实现某些特定的空间分析功能，常常需要将不规则的矢量多边形区域转化为规则的格网区域。
It projects input space on prototypes of a low - dimensional regular grid that can be effectively utilized to visualize and explore properties of data.
它将高维输入空间的数据映射到一个低维、规则的栅格上，从而可以利用可视化技术探测数据的固有特性。
This paper analyses a regular grid network for two kinds of routing standard theoretically, and derives recursive formular to find the network performance.
本文对一种规则的栅格状网络进行了理论分析，并分别针对两种路由准则，采用递归方法推导出了评价网络性能的计算公式。
Its regular grid pattern is clearly visible at image upper left; concentric rings of major roadways around the city have been added as the metropolitan area has expanded.
而其独特的井字状城市格局也清晰地呈现在图片的左上角，围绕着城市的环形高速路也正在向周边快速辐射开去。
In the first model they observe the co-occurrence of keywords with image regions which are created using a regular grid. And they annotate the images by the association probability.
共现模型将图像划分成规则区域，根据图像区域和关键词的共现概率来标注图像，即观察关键词与图像区域的联合发生概率。
For the requirements of creating 3d terrain based on the elevation data which is in the form of regular grid, a kind of modeling method based on weighted average algorithm is proposed.
针对由数字地图等以均匀网格形式给出的高程数据生成真实三维地形的仿真需求，提出了一种基于加权外推算法的地形几何模型。
The rear facade is similar although the grid is more regular, with window bays that span the full width of the building.
背立面是相似的，网格也比较规律，同时窗台跨越了整个建筑的宽度。
We drew out the elevation data from elevation control points, and made use of the regular square grid to display three-dimensional terrain.
我们从高程控制点中提取高程数据，利用规则矩形网格模型实现了三维地貌的显示。
To realize searching synoptic situations, a method of drawing contours is introduced, which is based on grid data of regular square matrix.
介绍用规则四方矩阵网格资料绘制等值线，实现天气形势检索的思路方法。
Number theory grid method is suited to the problems of regular geo metric shapes and those of not too more dimensions. Its error is a true error.
数论网格法适用于几何形状规则和维数不太多的问题，它的误差是真正的误差。
Valley extraction based on a regular DEM grid is an important method for terrain analyzing.
基于规则数字高程模型格网的峡谷检测是地形特征分析的重要手段。
Two kinds of main data structures of the DTM are briefly introduced in the paper, which are irregular net of triangulation (TIN) and regular rectangular grid (grid).
文中简要介绍了DTM的两种主要的数据结构：不规则三角网(TIN)和规则矩形格网(GRID)。
DEM (Digital elevation Model) is a data set of plane coordinate or longitude, latitude, and elevation of the regular square grid points in some region.
数字高程模型(DEM)是一定区域范围内规则格网点的平面坐标及其高程的数据集或者是经、纬度和海拔高度的数据集。
Firstly, the paper introduces the application requirement of Global Grid System, discusses the basic element of regular polyhedron subdivision.
首先介绍全球网格系统的应用需求，讨论采用正多面体剖分的基本要素。
In this paper, study on organization and visualization of the massive terrain dataset mainly on Regular Square Grid data format are discussed.
本文主要对大规模地形数据(基于规则格网数字高程模型)的组织与可视化进行研究。
In this paper, study on organization and visualization of the massive terrain dataset mainly on Regular Square Grid data format are discussed.
本文主要对大规模地形数据(基于规则格网数字高程模型)的组织与可视化进行研究。
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