It is a known problem, but not a solved problem, in that there does not appear to be 1 best way to map a 3d surface onto a 2d map and vice-versa. There are nume

It is a known problem, but not a solved problem, in that there does not appear to be 1 best way to map a 3d surface onto a 2d map and vice-versa. There are numerous approximations, but which one to use is an art and not a science.