A method to get the new vertex after the collapse of a triangle based on discrete curvature and spherical surface estimation is also given.
该算法以网格表面的加权离散曲率为依据,对三角形进行折叠操作,给出了基于离散曲率和球面近似的新顶点的获取方法。
参考来源 - 基于离散曲率的三角形折叠简化算法 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
pre按键突起而圆润，近似球面。数字和shift键通过漂亮的橙色于其它按键形成对比。
The keys appear to be slightly raised and rounded, almost bulbous, and have nicely contrasting orange labels on the numeric keys and the shift button.
本文给出了二级近似时近轴球面反射成像的物象规律，进而讨论了横向放大率与像差。
The more exact object image law of reflection image on axial spherical surface is presented, the lateral magnification and aberration are discussed.
为了改善光纤激光器的输出光束特性，将光纤端面加工处理成近似凸球面。
In order to improve the beam properties of fiber lasers, the fiber-end surface is processed similar to a convex spherical surface.
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