邊界多邊形 的英文怎麼說
中文拼音 [biānjièduōbiānxíng]
邊界多邊形
英文
universe polygon-
In this paper, the problem of calculating movement of piece is simplified to the problem of finding track line segments between vertices and edges, hence the time complexity is much reduced, and special cases such as inner cavity and inner nfp ( no fit polygon ) can also be tackled
摘要將多邊形滑動碰撞問題轉化為頂點和邊之間的軌跡線提取問題,從而降低了時間復雜度,並可統一處理邊界空腔和內部靠接臨界多邊形問題。The main principles of this new approach are : 1 ) find out the track line segments for vertices of one polygon to another polygon ' s edges ; 2 ) get the enclosing polygon and internal clockwise loops that was formed by the track line segments, finally the result polygons are the final nfps
該演算法的基本原理是: 1 )求解多邊形頂點相對于另一多邊形的軌跡線; 2 )求解軌跡線集合所形成的外包多邊形和內部順時針環,得到的多邊形即為臨界多邊形。Morphing is the continuous smooth and natural transformation of a source object into a target object, where the object can be a numerical image, curve, surface, mesh, etc. morphing has very wide use in many areas, such as computer graphics, animation design, industrial modeling, science computation visualization, film stunt, etc. this paper makes researches on the morph of compatible planar triangulations and that of planar polygons, and the main results are as follows : 1 ) morph of compatible planar triangulations : this paper presents a convexity - preserving method for morphing compatible planar triangulations with different convex boundaries
變形,是指從初始物體到目標物體的連續、光滑、自然的過渡(這里的物體可以是數字圖像、曲線、曲面、網格等) 。變形在許多領域有著十分廣泛的應用,如計算機圖形學、動畫設計、工業造型、科學計算可視化、電影特技等。本文對同構平面三角網格的變形和平面多邊形的變形進行了研究,主要的研究結果如下: 1 )同構平面三角網格的變形:提出了具有不同凸邊界的同構平面三角網格的保凸變形方法。All patches adjacent to water are excotone and they have twist edges and narrow figure, which is suitable with the function of the frequency of exchanging the matter and energy, what ' s more, these patches are mixture in the plant community styles, which is according with the importance character of the excotone which is that many system coexist. 3 ) : the dissimilarity of plant community is key factor in composing the landscape heterogeneity
鄰水斑塊邊界曲折,形狀狹長,多為混合型斑塊,這與生態交錯帶多系統共存特性是相適應的。樹種結構組成差異是構成花港觀魚公園綠地景觀異質性的主要因素,不同木本植物群落類型在花港觀魚公園不同綠地斑塊類型中交錯分佈,同一斑塊類型內部群落相異性指數較高。By constructing the list of vertices of polygon and intersecting points between polygon and rectangle, the list of vertices of rectangle and between polygon and rectangle, the list of incoming points and the list of outcoming points, the problem that how to confirm close clipped area edge is solved. at the same time, the second encoding technology is developed from line clipping to polygon clipping so that the speed of algorithm is increased
矩形窗口多邊形裁剪的改進演算法通過引入多交表、矩交表、入點表、出點表等線性鏈表,解決了如何確定一般多邊形在矩形窗口裁剪后封閉區域邊界問題,並把二次編碼技術由線裁剪拓展到多邊形裁剪中,對處于窗外的多邊形的邊可直接處理,提高了演算法的效率。First we abstract the real world to construct the 3d geometrical model by polygons, then after the site and direction of observation is specified, we can create a virtual reality scene after a process of polygons drawing, staining, concealing, lighting, projecting
首先對真實世界進行抽象,從而建立其3d幾何模型,一般用多邊形表示。在給定觀察點和觀察方向後,利用計算機實現多邊形繪制、著色、消隱、光照以及投影等一系列過程,產生虛擬場景。The cytoplasmic clearing is due to glycogen content which can be demonstrated by pas positiity
瘤細胞較大,多邊形或圓形胞界清晰,胞漿透亮含糖原、脂質或紅染顆粒, pas染色陽性反應。Finally, the mori - tanaka estimate is used to evaluate the effective moduli of polygon - shaped fibers composites having slightly weakened interface
最後,採用mori - tanaka理論計算非完美界面條件下纖維增強復合材料的有效模量,其中纖維的橫截面為凸多邊形。This paper also analyzed some key problems in 3d triangulation from scattered points. new determining principles for the relationship of point and line in space and for convexo - concave vertices of space polygon is discussed which corrected the previous method and can be applied in space triangle mesh. at the end of this papar, the future research areaes of triangluation from 3d scattered points are demonstrated
本文還分析了三維空間直接三角剖分所要解決的一些關鍵問題,進而提出了空間中點與直線位置關系判別的新方法及空間多邊形頂點凹凸性判別的新方法,修正了以往演算法在應用上的局限性,使之能夠適用於復雜網格多邊形邊界。This paper discusses the method of using rulers and compasses to average the polygonal areas by treating the dot on the bounder of a polygonal area as a beeline
摘要討論尺規方法均分多邊形面積,給出過多邊形邊界上一點作一直線將多邊形面積二等分的作法。A road map is a two - dimensional object that contains points, lines, and polygons that can represent cities, roads, and political boundaries such as states or provinces
道路圖是一種二維對象,其中包含點,線,多邊形以代表城市,道路,及省或州的行政區劃邊界。The surface detail or offsets simulated by a normal map are always relative to either the polygon it ' s projected on ( tangent space ) or the object ' s orientation ( object space ) or the world ( world space )
(通過法線貼圖計算出的表面細節和偏移是總是相對于多邊形的投影方向或是物體的自身軸向(物體空間)或是世界(世界空間)的。 )By the application of topological polygon data model, the graphic breaking up method was proposed to realize the parent region auto - dividing into child region and auto - merging the divisions into the whole region step by step based on region and boundary code
應用基於拓撲關系的多邊形數據模型,提出以小班邊界與多邊形編碼為基礎的圖形分割方法,實現了小班區劃過程數據的逐級分割以及區劃結果的逐級合併匯總。Polygonal clipping boundaries
多邊形剪切邊界First, with the variational method, the variational lower bounds of the characteristic impedance are respectively computed of the conformal coaxial lines with circular, regular polygonal and elliptical cross - sections. then the optimal variational lower bound of the conformal coaxial line with a square cross - section is obtained
本文首先用變分法求解了截面為圓形、正多邊形和橢圓形的共形同軸傳輸線的特性阻抗的變分下界,得到了截面為正多邊形的共形同軸傳輸線特性阻抗的變分最優下界。However, the difficulty to derive the no - fit polygon of two non - convex polygons limited its application
但是由於直接求解兩個凹多邊形的臨界多邊形比較困難,長期以來限制了它的應用。The present paper is concerned with the solution for elastic field arising from an arbitrary convex polygon - shaped inclusion with uniformly distributed eigenstrains in an infinite elastic body having the imperfect interface
本文研究彈簧型非完美界面條件下,無限大彈體內具有均勻本徵應變的任意多邊形夾雜所引起的彈性場問題。At first, ploygon aggregate structure of concrete is randomly generated in two - dimensional plane with monte carlo method on the meso - level. then, the growth process of a crack of concrete 3 - point bending beam specimen is analyzed by fem, according to the criterion of maximum circumferential tensile stress. and the path of crack to spread in mortar, aggregate and interfaces of them is gained by the ultimate fracture criteria in construction standard that the width of crack should not be more than 0. 2mm
首先,在細觀層次上,根據蒙特卡羅隨機抽樣原理,在二維平面上建立了混凝土多邊形隨機骨料結構模型,然後採用有限元計算方法,根據最大周向正應力準則,對三點彎曲梁構件進行了開裂過程的模擬,並以建築規范中構件裂縫小於0 . 2mm的要求為最終破壞標準,得出了裂紋在基質、骨料及界面的擴展路徑。The method to construct no - fit polygon in this thesis is not only a very good tool to make further research in the nesting problem but also a valuable addition to the researches of computer aided assembly, robot path planning, etc
本論文中使用的臨界多邊形演算法不但為排樣系統的進一步研究提供了很好的工具,同時對計算機輔助裝配、機器人路徑規劃等研究都有很好的參考價值。This new approach adopts a grid - based line index algorithm which can facilitate the calculation of intersection points for lines, hence the speed of calculating nfp is significantly increased
該演算法採用基於網格的線段索引方法來加快線段之間的求交計算,進一步提高了臨界多邊形求解的計算速度。分享友人