subdivision surface 中文意思是什麼

subdivision surface 解釋
細分曲面
  • subdivision : n. 再分；細分；再分之下的部分；（供出售的）小塊土地，分裝的商品；【軍事】半個師，半個連。adj. -al
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  1. Then, the associated search optimal algorithm based on virtual avl tree is promoted to rapidly reconstruct the half - edge topological structure. 3. to rebuild the tooth surface from the littery measure data, the membrane deformation algorithm based on loop subdivision is given to fit density triangle meshes to subdivision surface

    前者巧妙、高效地完成了去除冗餘點的工作，將stl數據的存儲尺寸壓縮為原來的18 % 25 % ;後者完成了數據的半邊拓撲重建，使得后續對于邊界邊搜索、 1環鄰域搜索顯示出較好的優勢，實現了三角網格模型的快速拓撲重建。
  2. Some typical schemes are implemented via this data structure ( loop subdivision, catmull - clark subdivision, do - sabin subdivision, hybrid subdivision, adaptive subdivision ). the technique of opengl is utilized to accomplish some basic operations, such as rotation, zoom, pan, pick and so on. finally the algorithms studied by our research group are integrated, and a prototype system based on subdivision surface is developed

    （ 4 ）改進了適合於曲面細分的的翼邊數據結構，並實現了典型的細分演算法（ loop細分、 catmullclark細分、 doo - sabin細分、混合細分、自適應細分） ；採用opengl技術實現了旋轉、縮放、平移、拾取等圖形的基本幾何操作；最後將本課題組研究成果加以集成，開發了一個基於細分曲面的原型系統。
  3. Abstract : in this paper, a trimming method for subdivision surface is presented. it is applied well in the cad / cae system of plastic injection molding, and also useful for other designing of products and field of fem analysis. experimental results show that the method is highly automatic, quick and stable

    文摘:介紹一種基於離散曲面的裁剪演算法，該演算法適用於注塑模cad / cae或其它產品設計和有限元分析的領域，實踐證明該演算法自動化程度高、速度快、穩定可靠
  4. So we present a new method of subdivision surface modeling. this method not only maintains the intrinsic property of catmull - clark subdivision surface, but also makes this kind of surface have a new function of interpolating multi - predefined b - spline curves. it overcomes some limitation of catmull - clark subdivision scheme and widens its application range, which brings subdivision surfaces from animation design and artistic modeling to mechanical products design

    因此，作者給出了一類新的細分曲面造型方法，該方法保持了catmull - clark細分曲面的原功能，但增加了插值若干條已知b樣條曲線的新功能，克服了catmull - clark細分方法的局限，拓寬了catmull - clark細分方法的應用范圍，為細分曲面從動畫製作和藝術造型走向機械產品設計的應用闖出了新路。
  5. Offset error, which is a basic problem in subdivision surface, is also presented in the paper

    作為細分曲面等距的一個基本問題，本文還對等距曲面誤差進行了分析。
  6. The general idea behind the second one is approximation. the control mesh is subdivided until the error between the control vertices and corresponding subdivision surface is less than a given threshold. then the vertices substitute those points on the surface approximately. the last step is to calculate offset point for every vertex and connect them to form an offset surface

    第二種演算法採用逼近思想，首先通過對控制網格進行細分，當控制頂點和細分曲面的距離滿足一定誤差要求時，近似用控制頂點代替細分曲面上的點，然後對各個頂點分別求等距點。
  7. There are commonness and individuality between subdivision surface and spline surface, based on the research of the algorithm of nc tool path generation for spline surface, used in conjunction with subdivision property, two methods : cross - section method and projecting method are put forward. ( 4 ) subdivision surface is quite adaptive to arbitrary topology, so the subdivision surface reconstruction techniques has also received much attention

    細分曲面和樣條曲面既具有共性，又各有個性，本文通過對樣條曲面數控加工刀軌生成演算法進行研究，同時根據細分曲面本身具有的特性，給出了採用截平面法和投影法生成細分曲面數控加工刀軌的演算法。
  8. We have advanced the principle that the sum of the smallest internal angles is the maximum in the part of using the imitated uniformity subdivision method to finish surface reconstruction. we take full advantage of uniform catmull - clark subdivision surface method and non - uniform catmull - clark subdivision surface method, in the chapter using the imitate uniformity subdivision method to finish surface reconstruction

    我們在充分利用均勻catmull - clark細分曲面方法與非均勻catmull - clark細分曲面方法優點的基礎上提出「擬均勻細分曲面方法進行曲面重構」方法，並且提出了最小內角之和最大的原則，作為非均勻細分到均勻細分的過渡的判定準則。
  9. The method of surface reconstruction based on finite element analysis ( fea ) is produced in research of interpolatory subdivision surface, and algorithm is designed according to the method of surface reconstruction

    在對曲面插值細分的研究中，論文提出了基於有限元分析的離散數據點的曲面重構方法。
  10. Surface reconstruction method using 4 - point interpolatory subdivision surface is produced according to request of surface fea in this thesis. 3. algorithm design of surface reconstruction based on fea algorithm was designed according to surface reconstruction method in the thesis

    （ 3 ）基於有限元分析的曲面重構演算法設計根據論文提出的離散數據點的曲面重構方法，設計了採用四點插值細分曲面網格點的曲面重構演算法。
  11. The approach to exactly calculate geometric parameters of subdivision surface, such as limiting point, tangent vector and normal vector, are illustrated. ( 2 ) the number of geometric elements ( vertex, edge, facet ) within control mesh grows exponentially as the increase of subdivision levels in general subdivision schemes

    （ 2 ）在正常的曲面細分過程中，控制網格上幾何元素（頂點、邊、面）的數量是按照幾何級數增加的，會產生龐大的冗餘數據。
  12. As a highly efficient and succinct scheme, the subdivision surface has been widely used in the field of computer graphics and 3d surface modeling. to extend its application in industry, the tool path generation algorithm and simulation for 3 - axis nc machining of the subdivision surface model is studied. two interference - free tool - path generation algorithm using ball - end mills in 3 - axis machining are developed

    遞歸分割曲面建模方法因為其簡潔、高效等特點廣泛應用於計算機圖形學和曲面造型等領域，為了推廣它在工業中的應用，本文研究遞歸分割曲面模型的數控加工刀位計算及模擬，實現三坐標球頭刀數控加工的刀具軌跡生成和加工過程模擬，並對加工結果進行誤差分析。
  13. Algorithm and implementation of generation of nc tool path for subdivision surface

    刀軌生成演算法及實現
  14. ( 2 ) two algorithms to generate the offset of loop subdivision surface are developed

    （ 2 ）對loop細分曲面等距面生成演算法進行了研究，提出了兩種等距面生成演算法。
  15. ( 5 ) though with many advantages, subdivision surface is not sustained in most commercial cad packages

    （ 5 ）細分曲面雖然具有很強的拓撲適應能力，但目前cad系統並不支持細分曲面表示。
  16. ( 3 ) for the purpose of verifying subdivision surface and its offset algorithms, this paper has advanced nc tool path generation of subdivision surface

    （ 3 ）為了檢驗細分曲面及其等距面演算法，本文對細分曲面數控加工刀軌生成進行了研究。
  17. Subdivision surface is a new geometric modeling technology of discrete surface based on mesh. it can express modeling surface through control mesh and subdivision rules

    細分曲面是基於網格的離散曲面造型新技術，它通過定義控制網格和細分規則來表示造型曲面。
  18. Subdivision surface can express smooth surface through low resolution control mesh and subdivision rules. it has been widely used in recent years, for it not only solves some problems in computer graphics, such as arbitrary topology and compatibility, but also retains several advantages of traditional nurbs, including the properties of localness and affine - invariance

    由於細分曲面不但解決了計算機圖形學中遇到的任意拓撲和一致性表示問題，而且還保留了傳統nurbs曲面表示所具有的局部性，仿射不變性等良好性質，因而近年來得到廣泛的應用。
  19. Since nurbs curves possess stronger ability than uniform b - spline curves in shape representation, we give a method of generating non - uniform subdivision surface modeling by improving nurcc surface proposed by sederberg et al. this method can interpolate predefined nurbs curves based on nurcc surface while maintain nurcc surface ' s basic function of the controllability of the continuous order

    由於nurbs曲線比均勻b樣條曲線具有更為強大的形狀表示能力，浙江大學博士學位論文因此作者通過改造sederberg等提出的非均勻有理catmull一clark曲面（簡稱nurcc ）生成方法，給出了非均勻細分曲面造型新方法
  20. This paper has investigated this technique for organized data, the specific work includes : ( a ) rules for planning the data digitizing process is proposed to accommodate the requirement of subdivision surface reconstruction ; ( b ) an algorithm is developed for reconstructing subdivision curve from organized data ; ( c ) furthermore, an algorithm of subdivision surface reconstruction is also brought forward

    （ 4 ）細分曲面由於具有很強的拓撲適應能力，所以其重建技術也受到廣泛關注，本文對有序數據的細分曲面重建演算法進行了研究，主要做了以下工作： （ a ）針對有序數據細分曲面重建演算法對數據的需求，給出了一種有序數據測量方法。 （ b ）給出了一種有序數據細分曲線重建演算法。
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