基于外部能量约束的曲面形状修改_医网打尽文献搜索 关键词 NURBS曲面，形状修改，能量约束 [gap=698]Key words NURBS surfaces, shape modification, energy constraints
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修改形状工具 reshape tool
However the interactive technique （changing weight factor or knot vector, moving control points） accompanying it for shape modification is limited.
然而NURBS形状修改的交互技术（如节点向量及权因子的选取,控制点的移动）具有一定的局限性。
参考来源 - CAGD中基于Bézier方法的曲线曲面表示与逼近·2,447,543篇论文数据，部分数据来源于NoteExpress
一旦钻探完成，该圆孔形状修改碎行动瓣面积增加。
Once the drilling is complete, the shape of the round holes are modified by a milling operation which increases the valved area.
本文的主要工作就是围绕NURBS曲线曲面的形状修改展开的。
In this paper, the main work is about the modification of NURBS curves and surfaces.
为了增强细分曲面的造型功能，讨论了C - C细分曲面的交互形状修改算法。
To improve modeling ability of subdivision surfaces, interactive shape modification algorithms for C-C subdivision surfaces are discussed.
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