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   geomorphic feature 在 计算机软件及计算机应用 分类中 的翻译结果: 查询用时:0.474秒
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geomorphic feature
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  geomorphic feature
Lake Wales Ridge is the principal geomorphic feature of the region, with younger ridges, including Trail Ridge, occurring to the north and east.
      
Unit names are chosen to identify each unit by its primary characteristics or to show association with a major geomorphic feature.
      
The rift region shows a geomorphic feature of fault depression on the surface and deep structure exhibits uplifted in upper mantle.
      
For the geomorphic feature category, various types of water bodies were included from lakes and depressional wetlands to arroyos and desert washes.
      
Each category represents a geomorphic feature, and revegetation strategies vary by geomorphic feature.
      
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In recent years, Geographic Information System(GIS) is booming in both theory and technique. At the same time, GIS is applied in almost every field of geosciences. Based on the techno-platform of GIS, by applying the datum of terrain vectorization, this paper constructs the Digital Elevation Model(DEM) of the Minjiang Upstream Region(MUR), and then by geometric revising and enchasing of digital image, the paper also achieves 3D-model visualizing of MUR topography. Moreover, we apply this technique to analyze...

In recent years, Geographic Information System(GIS) is booming in both theory and technique. At the same time, GIS is applied in almost every field of geosciences. Based on the techno-platform of GIS, by applying the datum of terrain vectorization, this paper constructs the Digital Elevation Model(DEM) of the Minjiang Upstream Region(MUR), and then by geometric revising and enchasing of digital image, the paper also achieves 3D-model visualizing of MUR topography. Moreover, we apply this technique to analyze geomorphic features, and generate a series of analysis theme figures. Finally, the paper concludes that the characteristic of MUR is mid-high steep geomorphic style, and because of the intense tectonic activity, the scope of eastern Minjiang headwater is more intense. meanwhile, the paper reinforces the neotectonic research on China geomorphic boundary.

近些年来,地理信息系统(GIS)在理论及技术方法等方面日臻完善,同时GIS技术被广泛地应用于地质工作的各个领域。以地理信息系统(GIS)为平台,利用矢量化地形高程数据,构建岷江上游地区数字高程模型(DEM),并对数字图像进行了几何校正,镶嵌配准,实现了岷江上游地区地形地貌的三维模拟显示;利用DEM分析探讨地貌形态,生成一系列地貌分析专题图如地貌高程图、地形坡度图等,并进行了初步的讨论分析,得出岷江上游地区主体属于中高山陡崖地貌,地形地貌总体呈现由NW向SE倾斜的分布趋势。而岷江源头地区东侧则由于新构造活动强烈,具有隆升幅度较西侧剧烈的特征。通过对岷江上游地区地貌形态的分析研究,为中国东西部地貌边界带的新构造研究做了有益的补充。

This paper analyzes the format of DXF file of AutoCAD,introduces the interface programming for the extraction of required data based on DXF file,and gives an implement method with Delphi for extracting the data from AutoCAD graphics.It has achieved good results to apply the method to extracting the data of topographic contours,geomorphic features and bore logs used in three-dimensional geological modeling.And it has effectively implemented the mutual conversion of the graphics and data between AutoCAD...

This paper analyzes the format of DXF file of AutoCAD,introduces the interface programming for the extraction of required data based on DXF file,and gives an implement method with Delphi for extracting the data from AutoCAD graphics.It has achieved good results to apply the method to extracting the data of topographic contours,geomorphic features and bore logs used in three-dimensional geological modeling.And it has effectively implemented the mutual conversion of the graphics and data between AutoCAD system and three-dimensional geological modeling and information visualization system.It has introduced a new way for the data acquisition of three-dimensional geological modeling.

文章分析了AutoCAD的DXF文件格式,介绍了基于DXF文件提取所需数据的接口程序设计,并给出了一种从AutoCAD图形中提取数据的Delphi程序实现方法。应用此方法提取地形等高线、地质地貌特征和钻孔柱状图等数据用于建立三维地质模型取得了很好的效果,有效的解决了AutoCAD系统与三维地质建模及信息可视化系统的图形、数据的相互转换问题,为三维地质建模数据的获取提出了一条新的途径。

 
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