等高线的的英文

• isocontour

• "等高线"英文翻译    contour; isoheight; isoline; ...
• "的"英文翻译    4次方是 The fourth power of 2 i ...
• "带等高线的平面图" 英文翻译 :    profile in plan
• "带等高线的三维网线图" 英文翻译 :    meshc
• "相邻两等高线的高度差" 英文翻译 :    contour interval
• "等高线" 英文翻译 :    contour (line); isoheight; isoline; isohypse (line) (地形图上标高相等的点连成的封闭曲线)
• "tin等高线" 英文翻译 :    tin contour
• "半距等高线" 英文翻译 :    half interval contour; half-interval contour; zero five contour
• "闭合等高线" 英文翻译 :    closed contour
• "标注等高线" 英文翻译 :    index contour
• "补助等高线" 英文翻译 :    supplementary contour
• "草绘等高线" 英文翻译 :    sketch contour; sketched contours
• "等高线；地势；地形" 英文翻译 :    contour
• "等高线笔" 英文翻译 :    contour instrument
• "等高线标注" 英文翻译 :    contour tagging
• "等高线地图" 英文翻译 :    contour complication map; contour maps; hypsometric map
• "等高线电码" 英文翻译 :    contour code
• "等高线法" 英文翻译 :    contour method; contouring method; contourmethod; hypsography; hypsometric curve method
• "等高线分层" 英文翻译 :    contour slices
• "等高线分析" 英文翻译 :    hypsometric analysis
• "等高线概位" 英文翻译 :    approximate contour lines
• "等高线高度" 英文翻译 :    contour height
• "等高线耕作" 英文翻译 :    contour culture
• "等高线绘图" 英文翻译 :    contour mapping; contourma ing
• "等高线绘制" 英文翻译 :    contour drafting; contour mapping; contouring

• The improved algorithm for the extraction of contour lines from grid dem
  从规则高程格网中提取等高线的优化算法研究
• In this paper an effective method for extracting contour lines from color scanned topographical maps is proposed . it focuses on reconnecting gaps of contour lines
  本文主要研究从彩色扫描地形图中自动提取等高线的方法,重点解决由彩色分割造成等高线断裂的问题。
• The main content of this dissertation includes the processing of the distillation of the contour line from the paper map and the design of the b - spline surface interpolation for the scattered data
  主要内容涉及了从纸地图扫描图像中提取等高线的实现方法和步骤，以及基于等高线的b样条曲面插值的方案设计和算法实现。
• In this scheme , hsv model & threshold segmentation method is used for contour line extraction , and the method combining automatic trace and manually trace is used for vectorization . finally , we use component interpolation to make dem data
  设计方案中用hsv模型结合阀值分割法实现等高线提取，使用自动跟踪与手工相结合的方法完成等高线的矢量化，最后采用分量内插法生成dem数据。
• Three aspects are mainly studied in the thesis as follows : first , the contour track recognition method research . a contour track method facing dem data drawing has been proposed , and the method can draw contour center line comparatively accurately
  本文工作主要体现在以下三个方面: 1 、等高线跟踪识别方法研究提出了面向dem数据提取的等高线跟踪算法,较为准确地提取等高线的中心线。
• The other is based on contour line . the way is that first editing the contour line , then saving these heights , finally depending on linear calculating middle value , thus getting the height of every mesh point , and the 3d terrain model
  另一种方法是基于等高线的方法，该方法是通过对等高线进行编辑，保存相应点的高程，再根据线性插值，得到各个网格点的高程，从而生成对应的地形模型。
• Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines , tile operation and branch operation . explanation of real - time reflection of terrain models , including three algorithms in lod technology , compared with quadtree algorithm , roam algorithm and the algorithm based on the intermediate belt , to show the advantages and disadvantages of the different situations of the terrains , so as to find out the right algorithm , the quadtree algorithm . developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques , such as vrml and opengl , providing a persuasive argument for the research
  论文首先概括介绍了用等高线快速建立3d地面模型和显示的相关技术,并论述了课题研究的背景和选题依据;其次,论文阐述了如何对等高线数据进行预处理,提出了有效的得到矢量化等高线的方法;再次用矢量化的等高线数据建立三维地面模型,通过等高线间的对应关系的确定、瓦片操作、分支操作建立地面的高程模型;然后论文对地面模型的实时渲染问题进行了深入阐述,主要是从lod技术的三种算法着手进行研究,通过对比四叉树算法、 roam算法和基于过渡带算法对不同种情况的地面数据显示的优缺点,再结合本系统的地形数据的特点选择了适合的算法:四叉树算法;最后,用vrml和基于opengl的三维可视化技术在vc平台上开发并实现了地形的三维快速显示系统,为论文的研究内容提供了有力的论证。
• Meanwhile , in 3d - scene , some functions of spatial analysis and interactive operations have been realized . and , a testing application system of 3dcm is developed , which includes tin model construction , the creation of contour , spatial coordinate query , section - cutting , measuring distance and area , 3d visualization and operation about topography and building etc . the purpose of developing testing system is to demonstrate the correctness of 3dcm based on the visualization . finally , the result of the testing and 3dgis research direction is put forward to investigate generally
  另外，在三维模型的可视化场景中，实现了一些3dgis的交互操作和空间分析功能，结合论文的目标，开发了一个实验系统，对三维城市的建模方法进行了论证，实现了dem模型的快速构建及等高线的追踪和地图分幅，实现了三维城市模型的可视化，在可视化的基础上实现了部分空间交互操作和空间分析，如：空间坐标查询、断面切割、距离和面积量算、建筑物属性查询、三维动态漫游等。
• This thesis studies the method about the military map data fusion based on mapinfo : first , it introduces the classifies , the encoding and the formats of the military map data , and how to unify them ; then by programming and using the operations which maplnfo provides to realize data conversion including element stratums , attribute encoding and data formats . by this way can realize the unity in these three aspects ; finally , by using graphics clipping and contour line tracing to realize the military map data fusion
  本文重点研究了基于mapinfo平台的军用地图数据融合方法：首先研究了各种军用地图数据的分类、编码和格式统一的途径；然后通过编制程序和利用mapinfo平台的各种操作功能实现了包括要素层、属性编码和数据格式在内的数据转换，实现了三种军用地图数据在这三方面的统一；最后，通过图形裁剪和等高线的追踪等算法实现了军用地图的数据融合。
• Topographical maps are the principal frame form of gis , and realization map digitizing and offering gis basic spatial data is one of the important research fields in surveying and gis , which is also necessity of development of science and technology . based on building gis - oriented topographical mapping system theories , this themes apply the advanced objectarx technology , aim at topographical mapping and exporting to gis , and resolve several key problems , such as symbols analysis and building , dtm and contour line automatic drawing , topographical map adjoining , digital image rectifying etc . and it offers models and arithmetic , realizing the general functions of gis - oriented topographical mapping system
  本文以建设面向gis的测量绘图平台理论为基础，以autocad平台下objectarx开发技术为核心，围绕地形图的成图和入库( gis数据库)这一课题，对其中的关键技术难题? ?符号库的建立与实现、 dtm与等高线的自动绘制、地形图接边、数字化栅格图像的定向与纠正、接口数据文件的生成等进行了研究分析，提出了相应的模型和算法，实现了面向gis的测量绘图系统的基本功能。