Luckily general gradient for spherical harmonics is defined http://web4.cs.ucl.ac.uk/staff/j.kautz/publications/gradientSH_RS04.pdf posted on 2015-01-06 02:30 Len3d 阅读( ...) 评论( ...) 编辑 收藏 转载于:https://www.cnblogs.com/len3d/p/4204999.html