delaunay delaunay 中文意思是什麼
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Rectification and topology base on stl model is researched, too. the contour information is obtained by using slice technology ; the delaunay triangular meshes are generated by using delaunay triangulation algorithm and conglutinate precision of divided models is insured by using precise orientation technique. in addition, triangle scan is accomplished based on delaunay triangulation algorithm
採用切片技術獲得了截面輪廓，用delaunay三角網格劃分演算法將截面輪廓網格化，用精確定位技術保證了模型粘接的精度；在delaunay三角網格劃分的基礎上，實現了快速原型的三角形掃描。 -
Extracting terrain features from contour maps based on united - delaunay - triangulation model
三角網的等高線地形特徵提取研究 -
5 fortune s. voronoi diagrams and delaunay triangulations. computing in euclidean geometry, f k hwang, d z du eds.,
第1步：對于起點s和終點t ，首先為它們分別選擇最近的傳感器結點和 -
In this paper, we apply the theory of " nature objects existed being excellent and washed out being of feebleness " to automated map generalization basing on thinking of the conditions of map use, characters of map regions and map scale. two generalization models which are called " constrained delaunay triangle net generalization model ( cdtngm ) " and " circle generalization model ( cgm ) " are created
本文在考慮了地圖用途、制圖區域地理特點和地圖比例尺等因素的基礎上，把「優勝劣汰」的思想運用到了地圖自動綜合中來，並實現了「約束delaunay三角網綜合模型」和「 circle綜合模型」兩個演算法模型。 -
In this thesis, we study some mainstream surface reconstruction algorithms for unorganized data set and adopt the algorithms based on delaunay triangulation
全局重建採用基於cocone方法的演算法，並為了檢測邊界而對此方法進行了改進。 -
The paper presents several aspects in partition rectification and visualization of raster image. adopt technology of visualization for scientific calculation, vector diagram of deformation 、 contour chart of deformation and drawing of three - dimensional are realized. delaunay tin in view of deformation feature is constructed on base of selected grid control points and methods and mathematical models for partition rectification are realized based on the delaunay tin. software of geometric rectification for large scales are realized and applied in project
本論文針對柵格影像的變形可視化及分塊糾正展開研究，取得了以下幾方面的研究成果：一、採用科學計算可視化技術，繪制變形矢量圖、變形等值線圖和三維效果圖，實現了柵格影像變形特徵的可視化；二、提出了在格網控制點（ gcp ）數據基礎上選擇性構造顧及變形特徵的delaunay三角網，並基於構造的三角網實現了分塊糾正的方法和數學模型；三、採用vc編制了影像幾何糾正軟體，實現大比例尺掃描地形圖的糾正，並在工程中得到應用。 -
He discovered colour and applied the colour field compositions influenced by delaunay
他發現了色彩的魅力，應用色彩領域的作品時則受到德勞內的影響。 -
This thesis gives a brief account of the basic theories of software engineering and computer graphics, of the data structure of individual component modeling, of the design of the software structure and of the method of realizing software. meanwhile, this thesis put more emphasis on the exploration of the arithmetic of the delaunay triangle network, nurbs curve integration, the filling - in arithmetic of triple - tree, and the arithmetic based on the scan - line arithmetic and the filling - in of complex section
文章介紹了關于軟體工程學與計算機圖形學的基本理論及其各組件模型的數據結構、軟體結構設計與軟體實現的技術方法，並重點討論了基於約束條件的delaunay三角網格化演算法、 nurbs （非均勻有理b樣條）曲面擬合、三叉樹等值線填充演算法和基於掃描線的復雜剖面填充演算法。 -
The ded data is got from image2ded conversion and is used in terrain modeling with the method of delaunay
通過image2ded轉換得到三維地形數組的數字高程數據信息，對該信息使用delaunay法，生成對應三維地形數據的地形模型。 -
To solve the inaccuracy problem caused by the two existing methods ( average end - area method and prismoidal method ) used for the calculation of roadway earthwork volume, this paper puts forward a new concept of the 3 - dimensional algorithm that takes all the roadway geometric design procedures as a kind of geometrical operation between the ground model ( original terrain model ) and the roadway model ( designed model ) under certain constraints, and then presents a complete 3 - dimensional algorithm of roadway earthwork volume as well as its executable computer program. the algorithm benefits from the re - triangulation technique of constrained delaunay triangulation ( cdt ), which can yield a true volume value theoretically. through a number of practical tests covering varied intervals between adjacent cross sections, it is proven to possess a higher accuracy compared with that of traditional methods. all the work involved in this paper indicates that the 3 - dimensional calculation of roadway earthwork volume is feasible, more accurate and should have further application in practice
針對目前廣泛使用的道路土方量計算方法平均斷面法和稜柱體法計算不準確的缺點，提出了三維土方量計算演算法的概念.該演算法以帶約束的狄羅尼三角化（ cdt ）為技術核心，認為所有道路幾何設計過程都是地面模型和道路（設計）模型進行幾何運算的結果.基於此，本文設計出相應的演算法步驟，同時完成了相應的軟體開發，使得該三維演算法能和傳統的方法進行對比.此外，結合工程實例，採用了不同的道路橫斷面間距對三維計算方法和傳統方法的誤差進行比較、分析.結果證明三維演算法具有更好的精度，該演算法可用於道路、場地平整等工程土方量計算 -
In this paper, we take the reconstruction of surface of revolution as our main aim, and by using the delaunay triangulation, the definition of curvature and the theory of b - spline, we present a way of reconstructing surface of revolution from point cloud. the main content of this paper is given in the following. computer aided geometric design and reverse engineering are the basis of this article
本文以旋轉面重建演算法為主要研究對象，應用三角部分、曲率的定義以及b樣條理論提出了一種由點雲數據構造旋轉面的方法，主要工作如下：計算機輔助幾何設計以及反向工程是本文的理論基礎，因此論文的第一章對其進行了簡短的回顧和綜述，並給出了旋轉面重建演算法目前的研究狀況。 -
In the mesh the local geometric and topological property can be clearly described with its adjacent points for a given point. then the delaunay triangulation technique in two dimensions is used to delete and modify the illegal triangles in the resulting mesh
本文採用切平面作為曲面的局部近似，將局部的采樣點投影到切平面上，並對投影點集作二維delaunay三角剖分，最後根據投影點上的鄰接關系確定三維點之間的連接關系。 -
Firstly, there is a full discuss of space aircraft thermal control. the background of the research for this paper is also presented here, in chapter 2, there is a complete discussing of fem realization in numerical heat transfer, including delaunay grids generation and display, two - dimension temperature field function eduction and collectivity compound
首先全面論述了航天器熱控制和熱分析的基本內容，指出本課題產生的工程背景。在第二章中完整地論述了有限元數值計算方法在解決傳熱問題中的實現，包括delaunay網格的生成與顯示，二維溫度場泛函的推導和溫度場的總體合成等。 -
The magnified methods and the layer advancing methods are adapted for generating the grids near the wall, while the advancing front methods and delaunay methods are adapted for generating the grids in the other fields
物面附近網格採用物面放大法和層推進法生成。外層非結構網格用陣面推進及delaunay方法生成。 -
Finally, a multi - resolution reconstruction algorithm was proposed for optical tomography. in this algorithm, the delaunay triangulation rules are first used in the generation of the triangular mesh with
該方法首先根據圖像的先驗信息，利用delaunay三角剖分規則，在整個成像區域形成疏密度不等的網格劃分，然後在此網格上實現ot圖像的多解析度重建。 -
In triangle plane filling between layers, the loop matching operator between layers was adopted, which is that the loops were matched according to their characters, geometry centers and perimeters. four kinds of regular algorithm in filling between layers were analyzed, and the shortest diagonal algorithm, which was rather fit to this dissertation, was adopted in this dissertation. the contour loops of section were grouped and each loop was split to make each loop become a single outer loop that was triangle split with delaunay algorithm
在層間三角面片填充方面，採用層間輪廓環按環的性質、幾何中心和周長進行匹配的層間匹配演算法;分析了層間三角面片填充的四種常用的演算法，並根據本文需要選用並實現了最小對角線法;端面三角劃分時，將端面的輪廓環進行分組，再對每組環進行切分處理，使得每組環變成一個單一的外環，對單一的外環按delaunay演算法進行三角劃分;將所生成的三角面片按規定的格式寫入stl文件，生成可直接為快速原型製造所接受的stl文件格式。 -
Using latest visual software idl ( interactive data language ) and combining trigrid function with triangulate function in idl, regular network terrain model and 3 - d shallow and deep sliding surface model of zhafangping landslide body based on delaunay triangular network is set up. it makes the sliding surface turn from " recessiveness " into " dominance ", and gets numerous different three - dimensional cubic chart, contour topographic map, the combine model of terrain model and contour topo - graphic map. and every visual model has analysed and compared in detail
利用可視化軟體idl中的triangulate函數和trigrid函數相結合，建立了基於delaunay三角網的榨坊坪滑坡體規則格網地面模型和淺層、深層滑動面三維可視化模型，實現了該滑坡體的三維模擬與再現，使滑動面由「隱性」變為了「顯性」 ，且獲得了眾多不同角度的三維立體圖、等高線地形圖和地面模型與等高線地形圖的組合圖等，並對各可視化模型進行了詳細地分析與比較。 -
The advancing - front method and the delaunay method are studied here to fulfill the generation of 2 - d unstructured grid. the mesh is built and renewed by using delaunay triangulation method
網格的劃分及更新採用delaunay三角化方法，網格內部節點的生成則是基於陣面推進法的思想。 -
Algorithm of delaunay triangulation generation based on convex shell and twice optimization
基於凸殼和二次優化的三角網生成演算法 -
A new skeletonization algorithm based on constrained delaunay triangulation. in international symposium on signal processing and its applications, vol. 2, 1999, pp. 927 - 930
基於以上操作，我們就能為一幅光柵圖生成基於dbsc的矢量表示，以進行高質量的繪制。
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