OpenNL实现的LSCM在其UV映射中显示重叠的三角形

Question

我正在使用opennl实现的Least square conformal map算法而不做任何更改。利用算法的光谱模式，我在UV映射中得到重叠的三角形。对于锥形三角形对象，它显示以下输出

输出应该是这样的，

我查看了代码和文件。坦率地说，我不理解实施背后的数学，因此我无法找到为什么会发生这种情况。圆锥体对象为here

# This file uses centimeters as units for non-parametric coordinates.

mtllib cone_triangulated.mtl
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，输出对象为here

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Answer 1

似乎这个算法的实现没有分割和打包，它只是LSCM求解器。请尝试使用InstantUV SDK或自行实施算法。更多关于LSCM的信息：https://members.loria.fr/Bruno.Levy/papers/LSCM_SIGGRAPH_2002.pdf