control vertex是什么意思_control vertex中文

control vertex中文什么意思

控制顶点

control: n. 1.支配，管理，管制，统制，控制；监督。 2.抑制 ...
vertex: n. (pl. vertexs, -tices ) 1. ...
vertex: n. (pl. vertexs, -tices ) 1.顶(点)，绝顶。 2.【解剖学】颅顶，头顶；【天文学】天顶；【几】顶(点)。 vertex of a cone 锥点。 vertex of an angle 角的顶点。
vertex shartransients, vertex sharwaves: 颅顶尖波
accessible vertex: 可达顶点

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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
第二种算法采用逼近思想，首先通过对控制网格进行细分，当控制顶点和细分曲面的距离满足一定误差要求时，近似用控制顶点代替细分曲面上的点，然后对各个顶点分别求等距点。
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
针对面临的问题，提出了自己的思路，在数学计算方法上，由于三次准均匀b样条曲线良好的端部性质，这里用它来拟合船舶型线，首先根据所给的初步型值求出其控制顶点，然后根据相关公式进行插值便能得到曲线上的所有插值点。
During the past decades , some researchers , such as : bezier , kj . versprile , deboor and cox , etc . had made great progress in the filed of constrained b - spline curve and surface fitting . in this article the method of constrained b - spline curve was introduced , which is used to figure out the control vertexes . using this interpolation method we can calculate every points of a uniform b - spline
并且分析了在各种端点情况下，在重节点的情况下，如何反算控制多边形的顶点；如何在求出控制多边形顶点之后，插值计算b样条拟合曲线上的每一点；并通过结合双尾船的型线，采用visualc + +和autocad2002为平台，分别编制了相应的软件，对提供的型值做出绘图处理，取得了良好的效果。

control vertex中文什么意思

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