Bring forward the conception of terrain feature Edit, at the precondition of keep the DEM data precision, terrain feature Edit should reflect the feature of terrain as much as possible.
论文还提出了保持DEM地形特征编辑的概念，在保持精度的前提下，尽可能地反映地形特征。
By computing the standard deviation of water depth, the area of unique terrain feature was chosen as the matching area.
通过计算不同区域的水深标准差，选择地形特征独特的区域作为适配区域。
This study takes the surface peak as a breakthrough, in order to analysis the distributing of the terrain feature points in different topographic forms.
本研究主要以山顶点为切入点，分析地形特征点在不同地貌形态中的分布规律。
The terrain feature points which widely range on earth surface structure the terrain, skeleton, and have definite control action of landform.
广泛分布在地球表面的地形特征点构成了地形骨架，对地形地貌具有一定的控制作用。
Terrain data is organized by grid, the article adopts height weighted average algorithm of elevation based on grid network, to extract feature point of TIN terrain.
采用网格索引来组织地形数据，利用反距离高程加权平均值算法，提取TIN地形的特征点。
High accuracy DEMs is an important data in study of soil erosion and terrain feature space analysis.
高精度数字高程模型(DEM)是水土流失规律研究与流域地形空间分析中重要的空间数据。
It is necessary to ascertain developing regulation and scattering feature of the shallow karst cave in order to effectively appraise unstable factors brought by hidden karst terrain.
为有效评价隐伏型岩溶地段带来的不稳定性因素，有必要查明区内浅层溶洞的发育规律及分布特征。
A new terrain matching neural network algorithm mode is constructed by means of multi-feature fusion, which includes different statistical and geometrical features.
提出了基于神经网络实现多特征融合的地形匹配算法，充分利用地形的各种不同的统计特征和几何特征，构造了一种地形匹配网络模型。
Based on the computing of projection density, it separates the terrain and the objects, extracts the feature information, and gains the basic 3d laser model.
改进基于投影密度的计算，进行地形、地物分离，并提取其特征信息，得到基本的三维激光模型。
The key technique of the technical scheme for electronic sand table, such as data processing, terrain modeling, feature matching, is introduced in details in this paper.
然后提出并实现面向土地利用规划的电子沙盘制作的技术方案，详细介绍了数据处理、地形模拟与要素匹配等关键技术。
The key technique of the technical scheme for electronic sand table, such as data processing, terrain modeling, feature matching, is introduced in details in this paper.
然后提出并实现面向土地利用规划的电子沙盘制作的技术方案，详细介绍了数据处理、地形模拟与要素匹配等关键技术。
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