控制頂點 的英文怎麼說

中文拼音 [kòngzhìdǐngdiǎn]
控制頂點 英文
control vertex
  • 控 : 動詞1 （告發;控告） accuse; charge 2 （控制） control; dominate 3 （使容器口兒朝下 讓裏面的液體慢...
  • 制 : Ⅰ動詞1 （製造） make; manufacture 2 （擬訂; 規定） draw up; establish 3 （用強力約束; 限定; 管束...
  • 頂 : i 名詞（人體或物體的最上部） crown; peak; top Ⅱ動詞1 （用頭支承） carry on the head 2 （從下面拱...
  • 點 : Ⅰ名詞1 （液體的小滴） drop （of liquid） 2 （細小的痕跡） spot; dot; speck 3 （漢字的筆畫「、」）...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 頂點 : apex; zenith; acme; vertex; corner; tip top; pinnacle; acnode; perfoot; top; grand climax; full; ...
  1. The following flags control vertex processing behavior for the hardware abstraction layer ( hal ) and reference devices

    下面的標識為硬體抽象層和引用設備控制頂點處理的行為。
  2. Nurbs curve equation contains two shape parameters, i. e. control convex and the weight factor

    Nurbs曲線方程包含了兩個形狀因子：控制頂點和相應控制頂點的權因子。
  3. The algorithm iteratively perturbs every control point to reshape the control net by inputting data points one by one

    逐個輸入數據點后，通過對控制頂點進行擾動來求取新的控制頂點。
  4. Moving control convex will change the shape of nurbs curve, while altering the weight factor will also vary the shape of nurbs

    移動控制頂點可以改變曲線的形狀，而改變權因子也會影響曲線的形狀。
  5. In the existing curves and surfaces formulations, a shape is designed by moving the control points of curves or surfaces

    摘要在現有的曲線曲面設計中，曲線曲面的形狀是通過控制頂點或數據點來確定的。
  6. A new algorithm is presented in this paper for piecewise quadric b - splines curve reconstruction from scattered data in a plane

    摘要基於控制頂點擾動的思想提出了一種新的曲線重構演算法，用於構造一條分段二次b樣條曲線來逼近平面上的散亂數據點。
  7. The great modification of shape of nurbs curve can be got by moving the control convex adaptably, while the less diversification is made when the weight factor changed

    移動控制頂點適合於對形狀作較大的修改，而改變權因子適合於對形狀作微調。
  8. An approach of representing circular arcs with nurbs of degree two was given by others, but it was based on the hypothesis that the arc angle is less than n

    李強等在已知三個型值點時，通過直接給出控制頂點和權因子的方法得到用二次nurbs精確表示圓弧的方法，但只給出圓弧的圓心角小於的情況。
  9. The first algorithm gives unique result unaffected by the handling order of points concerned, and it calculates the control vertexes at once without estimation and correction

    第一種演算法的特點是重建結果不依賴于頂點的處理順序，不需要進行控制頂點的初估及修正，可使各控制頂點的計算一次完成。
  10. In the third chapter, we present a class of c2 - continuous spline curves of degree 4 with some shape parameter. the segmented curves are all shape preserving to given polygon

    第三章提出一類c ~ -連續的帶有形狀參數的四次樣條曲線，曲線上的所有曲線段的控制頂點由給定多邊形的頂點直接計算產生。
  11. It offers the idea according to problem faced, considering the good character of the ends, the ajusted cubic b - spline curve is used to fit ship lines. it finds out the control vertexs according to a sequence of given points, and then, through particular formula, each point in the curve could be worked out. it smoothes lines with the method based on small - paramter

    針對面臨的問題，提出了自己的思路，在數學計算方法上，由於三次準均勻b樣條曲線良好的端部性質，這里用它來擬合船舶型線，首先根據所給的初步型值求出其控制頂點，然後根據相關公式進行插值便能得到曲線上的所有插值點。
  12. Aiming at the lack of traditional ploting method in the areas of three dimension graphics, the b - spline surface is adopted. in order to more easily build the b - spline surface the control points are replaced with one center point during the storage, and make it clear to simulate the curve of branches

    在三維圖形的繪制方面，針對傳統繪制方法的不足，採用b樣條曲面來構造三維幾何模型，在曲面的生成及存儲過程中用一個中心點代替多個控制頂點，將對曲面的控制轉為對曲線的控制，使得對枝條形狀的模擬更加方便直觀，並且減少了存儲空間。
  13. The main difficulty along with approximating to object ' s surface with multi - nurbs patches is that one must deal with more control points, especially the control points around the jv - patch corner because of the intertwining of the geometric continuous constraints along the boundaries converging on the corner

    用nurbs曲面分片逼近物體表面帶來的問題就是要處理大量的控制頂點，特別是n面角附近的控制頂點更需要特別處理，因為曲面片之間的幾何連續約束在角點處互相纏結。
  14. A fairing method based on energy me thod for cubic b - spline curves is presented. since only local control vertices ar e modified, this method, compared with energy method, not only makes the c omputation faster, but also makes the changes in shape of curve less

    4 ）研究了b樣條曲線光順的問題，在傳統能量法的基礎上提出了b樣條曲線的一種光順方法。該方法通過對局部控制頂點的修改來進行曲線光順。
  15. In the process of degree reduction, two cases are considered respectively, one of which is about the case without conditions of endpoint interpolations, the other of which is about the case with conditions of endpoint interpolations of higher orders

    兩種方法均考慮了不帶端點插值條件和具有端點高階插值條件的情形，並給出了降階said - ball曲線控制頂點的顯示表示式。
  16. 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。
  17. How the parameters of above two helixes affect their shapes is discussed. furthermore, error analysis and distribution are given. any prescribed precision can be arrived by the approximated helixes

    方法二，增加重合點，使理論螺線和逼近螺線在五點處重合，從而反求出控制頂點，使誤差帶更窄。
  18. 3 ) b - spline surface fitting to contour data is studied. a fitting method of using uniform knot vector is given. using this method, the resulted b - spline s urface not only satisfy the requirements of precision, but also possess fewer c ontrol vertices and good fairness, the computation speed is greatly improved t oo

    3 ）研究了逐層掃描數據的曲面擬合問題，給出了一種是利用統一的節點矢量進行擬合的演算法，用該法得到的b樣條曲面不僅可以滿足精度要求，而且具有較少的控制頂點和較好的光順性，計算速度也有較大的提高。
  19. By the means of optimization methods, degree reduction of rational bezier curves is changed to a optimization problem so that both weights and vertices are consider respectively. using programming method and genetic algorithms, a new method on rational bezier curves is presented

    第四從最優化的思想出發，把有理b zier曲線的降階轉化為求最優化問題，這樣也使得權因子和控制頂點被分開考慮，以保證權因子的非負性；同時結合智能計算中的仿生學方法和程序設計方法，給出了有理b zier曲線降階的一種新方法。
  20. The advantage of this method is that the method of curves can be directly used on rectangular surfaces for degree reduction. in the third chapter, modifying the shape of nurbs surfaces and rational bezier curves with geometric constraints is studied. the problems based on weights are discussed

    第三章研究nurbs曲面和有理b zier曲線的幾何約束修改問題，討論了基於權的nurbs曲面幾何約束修改和基於控制頂點或基於權的有理b zier曲線幾何約束修改。
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